2 lines
430 KiB
JavaScript
2 lines
430 KiB
JavaScript
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1024&this.flags}},flags:{get:function(){return this.shared.flags},set:function(e){this.shared.flags=e}},position:{get:function(){return this.shared.position},set:function(e){this.shared.position=e}}})),e=Object.assign(new le.FSStream,e);var i=le.nextfd(t,r);return e.fd=i,le.streams[i]=e,e},closeStream:e=>{le.streams[e]=null},chrdev_stream_ops:{open:e=>{var t=le.getDevice(e.node.rdev);e.stream_ops=t.stream_ops,e.stream_ops.open&&e.stream_ops.open(e)},llseek:()=>{throw new le.ErrnoError(70)}},major:e=>e>>8,minor:e=>255&e,makedev:(e,t)=>e<<8|t,registerDevice:(e,t)=>{le.devices[e]={stream_ops:t}},getDevice:e=>le.devices[e],getMounts:e=>{for(var t=[],r=[e];r.length;){var i=r.pop();t.push(i),r.push.apply(r,i.mounts)}return t},syncfs:(e,t)=>{"function"==typeof e&&(t=e,e=!1),le.syncFSRequests++,le.syncFSRequests>1&&g("warning: "+le.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work");var r=le.getMounts(le.root.mount),i=0;function n(e){return le.syncFSRequests--,t(e)}function s(e){if(e)return s.errored?void 0:(s.errored=!0,n(e));++i>=r.length&&n(null)}r.forEach((t=>{if(!t.type.syncfs)return s(null);t.type.syncfs(t,e,s)}))},mount:(e,t,r)=>{var i,n="/"===r,s=!r;if(n&&le.root)throw new le.ErrnoError(10);if(!n&&!s){var a=le.lookupPath(r,{follow_mount:!1});if(r=a.path,i=a.node,le.isMountpoint(i))throw new le.ErrnoError(10);if(!le.isDir(i.mode))throw new le.ErrnoError(54)}var o={type:e,opts:t,mountpoint:r,mounts:[]},d=e.mount(o);return d.mount=o,o.root=d,n?le.root=d:i&&(i.mounted=o,i.mount&&i.mount.mounts.push(o)),d},unmount:e=>{var t=le.lookupPath(e,{follow_mount:!1});if(!le.isMountpoint(t.node))throw new le.ErrnoError(28);var r=t.node,i=r.mounted,n=le.getMounts(i);Object.keys(le.nameTable).forEach((e=>{for(var t=le.nameTable[e];t;){var r=t.name_next;n.includes(t.mount)&&le.destroyNode(t),t=r}})),r.mounted=null;var s=r.mount.mounts.indexOf(i);r.mount.mounts.splice(s,1)},lookup:(e,t)=>e.node_ops.lookup(e,t),mknod:(e,t,r)=>{var i=le.lookupPath(e,{parent:!0}).node,n=ie.basename(e);if(!n||"."===n||".."===n)throw new le.ErrnoError(28);var s=le.mayCreate(i,n);if(s)throw new le.ErrnoError(s);if(!i.node_ops.mknod)throw new le.ErrnoError(63);return i.node_ops.mknod(i,n,t,r)},create:(e,t)=>(t=void 0!==t?t:438,t&=4095,t|=32768,le.mknod(e,t,0)),mkdir:(e,t)=>(t=void 0!==t?t:511,t&=1023,t|=16384,le.mknod(e,t,0)),mkdirTree:(e,t)=>{for(var r=e.split("/"),i="",n=0;n<r.length;++n)if(r[n]){i+="/"+r[n];try{le.mkdir(i,t)}catch(e){if(20!=e.errno)throw e}}},mkdev:(e,t,r)=>(void 0===r&&(r=t,t=438),t|=8192,le.mknod(e,t,r)),symlink:(e,t)=>{if(!ne.resolve(e))throw new le.ErrnoError(44);var r=le.lookupPath(t,{parent:!0}).node;if(!r)throw new le.ErrnoError(44);var i=ie.basename(t),n=le.mayCreate(r,i);if(n)throw new le.ErrnoError(n);if(!r.node_ops.symlink)throw new le.ErrnoError(63);return r.node_ops.symlink(r,i,e)},rename:(e,t)=>{var r,i,n=ie.dirname(e),s=ie.dirname(t),a=ie.basename(e),o=ie.basename(t);if(r=le.lookupPath(e,{parent:!0}).node,i=le.lookupPath(t,{parent:!0}).node,!r||!i)throw new le.ErrnoError(44);if(r.mount!==i.mount)throw new le.ErrnoError(75);var d,l=le.lookupNode(r,a),u=ne.relative(e,s);if("."!==u.charAt(0))throw new le.ErrnoError(28);if("."!==(u=ne.relative(t,n)).charAt(0))throw new le.ErrnoError(55);try{d=le.lookupNode(i,o)}catch(e){}if(l!==d){var c=le.isDir(l.mode),f=le.mayDelete(r,a,c);if(f)throw new le.ErrnoError(f);if(f=d?le.mayDelete(i,o,c):le.mayCreate(i,o))throw new le.ErrnoError(f);if(!r.node_ops.rename)throw new le.ErrnoError(63);if(le.isMountpoint(l)||d&&le.isMountpoint(d))throw new le.ErrnoError(10);if(i!==r&&(f=le.nodePermissions(r,"w")))throw new le.ErrnoError(f);le.hashRemoveNode(l);try{r.node_ops.rename(l,i,o)}catch(e){throw e}finally{le.hashAddNode(l)}}},rmdir:e=>{var t=le.lookupPath(e,{parent:!0}).node,r=ie.basename(e),i=le.lookupNode(t,r),n=le.mayDelete(t,r,!0);if(n)throw new le.ErrnoError(n);if(!t.node_ops.rmdir)throw new le.ErrnoError(63);if(le.isMountpoint(i))throw new le.ErrnoError(10);t.node_ops.rmdir(t,r),le.destroyNode(i)},readdir:e=>{var t=le.lookupPath(e,{follow:!0}).node;if(!t.node_ops.readdir)throw new le.ErrnoError(54);return t.node_ops.readdir(t)},unlink:e=>{var t=le.lookupPath(e,{parent:!0}).node;if(!t)throw new le.ErrnoError(44);var r=ie.basename(e),i=le.lookupNode(t,r),n=le.mayDelete(t,r,!1);if(n)throw new le.ErrnoError(n);if(!t.node_ops.unlink)throw new le.ErrnoError(63);if(le.isMountpoint(i))throw new le.ErrnoError(10);t.node_ops.unlink(t,r),le.destroyNode(i)},readlink:e=>{var t=le.lookupPath(e).node;if(!t)throw new le.ErrnoError(44);if(!t.node_ops.readlink)throw new le.ErrnoError(28);return ne.resolve(le.getPath(t.parent),t.node_ops.readlink(t))},stat:(e,t)=>{var r=le.lookupPath(e,{follow:!t}).node;if(!r)throw new le.ErrnoError(44);if(!r.node_ops.getattr)throw new le.ErrnoError(63);return r.node_ops.getattr(r)},lstat:e=>le.stat(e,!0),chmod:(e,t,r)=>{var i;if(!(i="string"==typeof e?le.lookupPath(e,{follow:!r}).node:e).node_ops.setattr)throw new le.ErrnoError(63);i.node_ops.setattr(i,{mode:4095&t|-4096&i.mode,timestamp:Date.now()})},lchmod:(e,t)=>{le.chmod(e,t,!0)},fchmod:(e,t)=>{var r=le.getStream(e);if(!r)throw new le.ErrnoError(8);le.chmod(r.node,t)},chown:(e,t,r,i)=>{var n;if(!(n="string"==typeof e?le.lookupPath(e,{follow:!i}).node:e).node_ops.setattr)throw new le.ErrnoError(63);n.node_ops.setattr(n,{timestamp:Date.now()})},lchown:(e,t,r)=>{le.chown(e,t,r,!0)},fchown:(e,t,r)=>{var i=le.getStream(e);if(!i)throw new le.ErrnoError(8);le.chown(i.node,t,r)},truncate:(e,t)=>{if(t<0)throw new le.ErrnoError(28);var r;if(!(r="string"==typeof e?le.lookupPath(e,{follow:!0}).node:e).node_ops.setattr)throw new le.ErrnoError(63);if(le.isDir(r.mode))throw new le.ErrnoError(31);if(!le.isFile(r.mode))throw new le.ErrnoError(28);var i=le.nodePermissions(r,"w");if(i)throw new le.ErrnoError(i);r.node_ops.setattr(r,{size:t,timestamp:Date.now()})},ftruncate:(e,t)=>{var r=le.getStream(e);if(!r)throw new le.ErrnoError(8);if(0==(2097155&r.flags))throw new le.ErrnoError(28);le.truncate(r.node,t)},utime:(e,t,r)=>{var i=le.lookupPath(e,{follow:!0}).node;i.node_ops.setattr(i,{timestamp:Math.max(t,r)})},open:(e,r,i)=>{if(""===e)throw new le.ErrnoError(44);var n;if(i=void 0===i?438:i,i=64&(r="string"==typeof r?le.modeStringToFlags(r):r)?4095&i|32768:0,"object"==typeof e)n=e;else{e=ie.normalize(e);try{n=le.lookupPath(e,{follow:!(131072&r)}).node}catch(e){}}var s=!1;if(64&r)if(n){if(128&r)throw new le.ErrnoError(20)}else n=le.mknod(e,i,0),s=!0;if(!n)throw new le.ErrnoError(44);if(le.isChrdev(n.mode)&&(r&=-513),65536&r&&!le.isDir(n.mode))throw new le.ErrnoError(54);if(!s){var a=le.mayOpen(n,r);if(a)throw new le.ErrnoError(a)}512&r&&!s&&le.truncate(n,0),r&=-131713;var o=le.createStream({node:n,path:le.getPath(n),flags:r,seekable:!0,position:0,stream_ops:n.stream_ops,ungotten:[],error:!1});return o.stream_ops.open&&o.stream_ops.open(o),!t.logReadFiles||1&r||(le.readFiles||(le.readFiles={}),e in le.readFiles||(le.readFiles[e]=1)),o},close:e=>{if(le.isClosed(e))throw new le.ErrnoError(8);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e)}catch(e){throw e}finally{le.closeStream(e.fd)}e.fd=null},isClosed:e=>null===e.fd,llseek:(e,t,r)=>{if(le.isClosed(e))throw new le.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new le.ErrnoError(70);if(0!=r&&1!=r&&2!=r)throw new le.ErrnoError(28);return e.position=e.stream_ops.llseek(e,t,r),e.ungotten=[],e.position},read:(e,t,r,i,n)=>{if(i<0||n<0)throw new le.ErrnoError(28);if(le.isClosed(e))throw new le.ErrnoError(8);if(1==(2097155&e.flags))throw new le.ErrnoError(8);if(le.isDir(e.node.mode))throw new le.ErrnoError(31);if(!e.stream_ops.read)throw new le.ErrnoError(28);var s=void 0!==n;if(s){if(!e.seekable)throw new le.ErrnoError(70)}else n=e.position;var a=e.stream_ops.read(e,t,r,i,n);return s||(e.position+=a),a},write:(e,t,r,i,n,s)=>{if(i<0||n<0)throw new le.ErrnoError(28);if(le.isClosed(e))throw new le.ErrnoError(8);if(0==(2097155&e.flags))throw new le.ErrnoError(8);if(le.isDir(e.node.mode))throw new le.ErrnoError(31);if(!e.stream_ops.write)throw new le.ErrnoError(28);e.seekable&&1024&e.flags&&le.llseek(e,0,2);var a=void 0!==n;if(a){if(!e.seekable)throw new le.ErrnoError(70)}else n=e.position;var o=e.stream_ops.write(e,t,r,i,n,s);return a||(e.position+=o),o},allocate:(e,t,r)=>{if(le.isClosed(e))throw new le.ErrnoError(8);if(t<0||r<=0)throw new le.ErrnoError(28);if(0==(2097155&e.flags))throw new le.ErrnoError(8);if(!le.isFile(e.node.mode)&&!le.isDir(e.node.mode))throw new le.ErrnoError(43);if(!e.stream_ops.allocate)throw new le.ErrnoError(138);e.stream_ops.allocate(e,t,r)},mmap:(e,t,r,i,n)=>{if(0!=(2&i)&&0==(2&n)&&2!=(2097155&e.flags))throw new le.ErrnoError(2);if(1==(2097155&e.flags))throw new le.ErrnoError(2);if(!e.stream_ops.mmap)throw new le.ErrnoError(43);return e.stream_ops.mmap(e,t,r,i,n)},msync:(e,t,r,i,n)=>e&&e.stream_ops.msync?e.stream_ops.msync(e,t,r,i,n):0,munmap:e=>0,ioctl:(e,t,r)=>{if(!e.stream_ops.ioctl)throw new le.ErrnoError(59);return e.stream_ops.ioctl(e,t,r)},readFile:function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(t.flags=t.flags||0,t.encoding=t.encoding||"binary","utf8"!==t.encoding&&"binary"!==t.encoding)throw new Error('Invalid encoding type "'+t.encoding+'"');var r,i=le.open(e,t.flags),n=le.stat(e).size,s=new Uint8Array(n);return le.read(i,s,0,n,0),"utf8"===t.encoding?r=F(s,0):"binary"===t.encoding&&(r=s),le.close(i),r},writeFile:function(e,t){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};r.flags=r.flags||577;var i=le.open(e,r.flags,r.mode);if("string"==typeof t){var n=new Uint8Array(R(t)+1),s=M(t,n,0,n.length);le.write(i,n,0,s,void 0,r.canOwn)}else{if(!ArrayBuffer.isView(t))throw new Error("Unsupported data type");le.write(i,t,0,t.byteLength,void 0,r.canOwn)}le.close(i)},cwd:()=>le.currentPath,chdir:e=>{var t=le.lookupPath(e,{follow:!0});if(null===t.node)throw new le.ErrnoError(44);if(!le.isDir(t.node.mode))throw new le.ErrnoError(54);var r=le.nodePermissions(t.node,"x");if(r)throw new le.ErrnoError(r);le.currentPath=t.path},createDefaultDirectories:()=>{le.mkdir("/tmp"),le.mkdir("/home"),le.mkdir("/home/web_user")},createDefaultDevices:()=>{le.mkdir("/dev"),le.registerDevice(le.makedev(1,3),{read:()=>0,write:(e,t,r,i,n)=>i}),le.mkdev("/dev/null",le.makedev(1,3)),ae.register(le.makedev(5,0),ae.default_tty_ops),ae.register(le.makedev(6,0),ae.default_tty1_ops),le.mkdev("/dev/tty",le.makedev(5,0)),le.mkdev("/dev/tty1",le.makedev(6,0));var e=function(){if("object"==typeof crypto&&"function"==typeof crypto.getRandomValues){var e=new Uint8Array(1);return()=>(crypto.getRandomValues(e),e[0])}if(p)try{var t=require("crypto");return()=>t.randomBytes(1)[0]}catch(e){}return()=>W("randomDevice")}();le.createDevice("/dev","random",e),le.createDevice("/dev","urandom",e),le.mkdir("/dev/shm"),le.mkdir("/dev/shm/tmp")},createSpecialDirectories:()=>{le.mkdir("/proc");var e=le.mkdir("/proc/self");le.mkdir("/proc/self/fd"),le.mount({mount:()=>{var t=le.createNode(e,"fd",16895,73);return t.node_ops={lookup:(e,t)=>{var r=+t,i=le.getStream(r);if(!i)throw new le.ErrnoError(8);var n={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>i.path}};return n.parent=n,n}},t}},{},"/proc/self/fd")},createStandardStreams:()=>{t.stdin?le.createDevice("/dev","stdin",t.stdin):le.symlink("/dev/tty","/dev/stdin"),t.stdout?le.createDevice("/dev","stdout",null,t.stdout):le.symlink("/dev/tty","/dev/stdout"),t.stderr?le.createDevice("/dev","stderr",null,t.stderr):le.symlink("/dev/tty1","/dev/stderr"),le.open("/dev/stdin",0),le.open("/dev/stdout",1),le.open("/dev/stderr",1)},ensureErrnoError:()=>{le.ErrnoError||(le.ErrnoError=function(e,t){this.node=t,this.setErrno=function(e){this.errno=e},this.setErrno(e),this.message="FS error"},le.ErrnoError.prototype=new Error,le.ErrnoError.prototype.constructor=le.ErrnoError,[44].forEach((e=>{le.genericErrors[e]=new le.ErrnoError(e),le.genericErrors[e].stack="<generic error, no stack>"})))},staticInit:()=>{le.ensureErrnoError(),le.nameTable=new Array(4096),le.mount(de,{},"/"),le.createDefaultDirectories(),le.createDefaultDevices(),le.createSpecialDirectories(),le.filesystems={MEMFS:de}},init:(e,r,i)=>{le.init.initialized=!0,le.ensureErrnoError(),t.stdin=e||t.stdin,t.stdout=r||t.stdout,t.stderr=i||t.stderr,le.createStandardStreams()},quit:()=>{le.init.initialized=!1;for(var e=0;e<le.streams.length;e++){var t=le.streams[e];t&&le.close(t)}},getMode:(e,t)=>{var r=0;return e&&(r|=365),t&&(r|=146),r},findObject:(e,t)=>{var r=le.analyzePath(e,t);return r.exists?r.object:null},analyzePath:(e,t)=>{try{e=(i=le.lookupPath(e,{follow:!t})).path}catch(e){}var r={isRoot:!1,exists:!1,error:0,name:null,path:null,object:null,parentExists:!1,parentPath:null,parentObject:null};try{var i=le.lookupPath(e,{parent:!0});r.parentExists=!0,r.parentPath=i.path,r.parentObject=i.node,r.name=ie.basename(e),i=le.lookupPath(e,{follow:!t}),r.exists=!0,r.path=i.path,r.object=i.node,r.name=i.node.name,r.isRoot="/"===i.path}catch(e){r.error=e.errno}return r},createPath:(e,t,r,i)=>{e="string"==typeof e?e:le.getPath(e);for(var n=t.split("/").reverse();n.length;){var s=n.pop();if(s){var a=ie.join2(e,s);try{le.mkdir(a)}catch(e){}e=a}}return a},createFile:(e,t,r,i,n)=>{var s=ie.join2("string"==typeof e?e:le.getPath(e),t),a=le.getMode(i,n);return le.create(s,a)},createDataFile:(e,t,r,i,n,s)=>{var a=t;e&&(e="string"==typeof e?e:le.getPath(e),a=t?ie.join2(e,t):e);var o=le.getMode(i,n),d=le.create(a,o);if(r){if("string"==typeof r){for(var l=new Array(r.length),u=0,c=r.length;u<c;++u)l[u]=r.charCodeAt(u);r=l}le.chmod(d,146|o);var f=le.open(d,577);le.write(f,r,0,r.length,0,s),le.close(f),le.chmod(d,o)}return d},createDevice:(e,t,r,i)=>{var n=ie.join2("string"==typeof e?e:le.getPath(e),t),s=le.getMode(!!r,!!i);le.createDevice.major||(le.createDevice.major=64);var a=le.makedev(le.createDevice.major++,0);return le.registerDevice(a,{open:e=>{e.seekable=!1},close:e=>{i&&i.buffer&&i.buffer.length&&i(10)},read:(e,t,i,n,s)=>{for(var a=0,o=0;o<n;o++){var d;try{d=r()}catch(e){throw new le.ErrnoError(29)}if(void 0===d&&0===a)throw new le.ErrnoError(6);if(null==d)break;a++,t[i+o]=d}return a&&(e.node.timestamp=Date.now()),a},write:(e,t,r,n,s)=>{for(var a=0;a<n;a++)try{i(t[r+a])}catch(e){throw new le.ErrnoError(29)}return n&&(e.node.timestamp=Date.now()),a}}),le.mkdev(n,s,a)},forceLoadFile:e=>{if(e.isDevice||e.isFolder||e.link||e.contents)return!0;if("undefined"!=typeof XMLHttpRequest)throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");if(!n)throw new Error("Cannot load without read() or XMLHttpRequest.");try{e.contents=se(n(e.url),!0),e.usedBytes=e.contents.length}catch(e){throw new le.ErrnoError(29)}},createLazyFile:(e,t,r,i,n)=>{function s(){this.lengthKnown=!1,this.chunks=[]}if(s.prototype.get=function(e){if(!(e>this.length-1||e<0)){var t=e%this.chunkSize,r=e/this.chunkSize|0;return this.getter(r)[t]}},s.prototype.setDataGetter=function(e){this.getter=e},s.prototype.cacheLength=function(){var e=new XMLHttpRequest;if(e.open("HEAD",r,!1),e.send(null),!(e.status>=200&&e.status<300||304===e.status))throw new Error("Couldn't load "+r+". 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rt{constructor(e){this._buffer=e,this._buffer_index=0,this._total_bytes=e.byteLength,this._total_bits=8*e.byteLength,this._current_word=0,this._current_word_bits_left=0}destroy(){this._buffer=null}_fillCurrentWord(){let e=this._total_bytes-this._buffer_index;if(e<=0)return void console.error("ExpGolomb: _fillCurrentWord() but no bytes available",this._total_bytes,this._buffer_index);let t=Math.min(4,e),r=new Uint8Array(4);r.set(this._buffer.subarray(this._buffer_index,this._buffer_index+t)),this._current_word=new DataView(r.buffer).getUint32(0,!1),this._buffer_index+=t,this._current_word_bits_left=8*t}readBits(e){if(e>32&&console.error("ExpGolomb: readBits() bits exceeded max 32bits!"),e<=this._current_word_bits_left){let t=this._current_word>>>32-e;return this._current_word<<=e,this._current_word_bits_left-=e,t}let t=this._current_word_bits_left?this._current_word:0;t>>>=32-this._current_word_bits_left;let r=e-this._current_word_bits_left;this._fillCurrentWord();let i=Math.min(r,this._current_word_bits_left),n=this._current_word>>>32-i;return this._current_word<<=i,this._current_word_bits_left-=i,t=t<<i|n,t}readBool(){return 1===this.readBits(1)}readByte(){return this.readBits(8)}_skipLeadingZero(){let e;for(e=0;e<this._current_word_bits_left;e++)if(0!=(this._current_word&2147483648>>>e))return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}readUEG(){let e=this._skipLeadingZero();return this.readBits(e+1)-1}readSEG(){let e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}function it(e){let{profile:t,sampleRate:r,channel:i}=e;return new Uint8Array([175,0,t<<3|(14&r)>>1,(1&r)<<7|i<<3])}function nt(e){return st(e)&&e[1]===He.sequenceHeader}function st(e){return e[0]>>4===ke.AAC}const at=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],ot=at,dt=at,lt=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];class 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Bt=Symbol(32),Tt=Symbol(16),kt=Symbol(8);class Ct{constructor(e){this.g=e,this.consumed=0,e&&(this.need=e.next().value)}setG(e){this.g=e,this.demand(e.next().value,!0)}consume(){this.buffer&&this.consumed&&(this.buffer.copyWithin(0,this.consumed),this.buffer=this.buffer.subarray(0,this.buffer.length-this.consumed),this.consumed=0)}demand(e,t){return t&&this.consume(),this.need=e,this.flush()}read(e){return xt(this,void 0,void 0,(function*(){return this.lastReadPromise&&(yield this.lastReadPromise),this.lastReadPromise=new Promise(((t,r)=>{var i;this.reject=r,this.resolve=e=>{delete this.lastReadPromise,delete this.resolve,delete this.need,t(e)};this.demand(e,!0)||null===(i=this.pull)||void 0===i||i.call(this,e)}))}))}readU32(){return this.read(Bt)}readU16(){return this.read(Tt)}readU8(){return this.read(kt)}close(){var e;this.g&&this.g.return(),this.buffer&&this.buffer.subarray(0,0),null===(e=this.reject)||void 0===e||e.call(this,new Error("EOF")),delete 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Uint8Array(e.buffer,e.byteOffset,e.byteLength)):this.malloc(e.byteLength).set(new Uint8Array(e)),!this.g&&!this.resolve)return new Promise((e=>this.pull=e));this.flush()}writeU32(e){this.malloc(4).set([e>>24&255,e>>16&255,e>>8&255,255&e]),this.flush()}writeU16(e){this.malloc(2).set([e>>8&255,255&e]),this.flush()}writeU8(e){this.malloc(1)[0]=e,this.flush()}malloc(e){if(this.buffer){const t=this.buffer.length,r=t+e;if(r<=this.buffer.buffer.byteLength-this.buffer.byteOffset)this.buffer=new Uint8Array(this.buffer.buffer,this.buffer.byteOffset,r);else{const e=new Uint8Array(r);e.set(this.buffer),this.buffer=e}return this.buffer.subarray(t,r)}return this.buffer=new Uint8Array(e),this.buffer}}Ct.U32=Bt,Ct.U16=Tt,Ct.U8=kt;class Dt{constructor(e){this.log=function(t){if(e._opt.debug&&e._opt.debugLevel==y){const s=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var r=arguments.length,i=new Array(r>1?r-1:0),n=1;n<r;n++)i[n-1]=arguments[n];console.log(`EasyPro${s}[✅✅✅][${t}]`,...i)}},this.warn=function(t){if(e._opt.debug&&(e._opt.debugLevel==y||e._opt.debugLevel==b)){const s=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var r=arguments.length,i=new Array(r>1?r-1:0),n=1;n<r;n++)i[n-1]=arguments[n];console.log(`EasyPro${s}[❗❗❗][${t}]`,...i)}},this.error=function(t){const r=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var i=arguments.length,n=new Array(i>1?i-1:0),s=1;s<i;s++)n[s-1]=arguments[s];console.error(`EasyPro${r}[❌❌❌][${t}]`,...n)}}}class It{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[n]=t[e],n++);return new Uint8Array(i.buffer,0,n)}static parseSPS(e){let t=It._ebsp2rbsp(e),r=new rt(t);r.readByte();let i=r.readByte();r.readByte();let n=r.readByte();r.readUEG();let s=It.getProfileString(i),a=It.getLevelString(n),o=1,d=420,l=[0,420,422,444],u=8;if((100===i||110===i||122===i||244===i||44===i||83===i||86===i||118===i||128===i||138===i||144===i)&&(o=r.readUEG(),3===o&&r.readBits(1),o<=3&&(d=l[o]),u=r.readUEG()+8,r.readUEG(),r.readBits(1),r.readBool())){let e=3!==o?8:12;for(let t=0;t<e;t++)r.readBool()&&(t<6?It._skipScalingList(r,16):It._skipScalingList(r,64))}r.readUEG();let c=r.readUEG();if(0===c)r.readUEG();else if(1===c){r.readBits(1),r.readSEG(),r.readSEG();let e=r.readUEG();for(let t=0;t<e;t++)r.readSEG()}let f=r.readUEG();r.readBits(1);let h=r.readUEG(),p=r.readUEG(),m=r.readBits(1);0===m&&r.readBits(1),r.readBits(1);let _=0,g=0,y=0,b=0;r.readBool()&&(_=r.readUEG(),g=r.readUEG(),y=r.readUEG(),b=r.readUEG());let v=1,w=1,S=0,E=!0,A=0,U=0;if(r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<16?(v=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],w=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(v=r.readByte()<<8|r.readByte(),w=r.readByte()<<8|r.readByte())}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(4),r.readBool()&&r.readBits(24)),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool()){let e=r.readBits(32),t=r.readBits(32);E=r.readBool(),A=t,U=2*e,S=A/U}}let x=1;1===v&&1===w||(x=v/w);let B=0,T=0;if(0===o)B=1,T=2-m;else{B=3===o?1:2,T=(1===o?2:1)*(2-m)}let k=16*(h+1),C=16*(p+1)*(2-m);k-=(_+g)*B,C-=(y+b)*T;let D=Math.ceil(k*x);return r.destroy(),r=null,{profile_string:s,level_string:a,bit_depth:u,ref_frames:f,chroma_format:d,chroma_format_string:It.getChromaFormatString(d),frame_rate:{fixed:E,fps:S,fps_den:U,fps_num:A},sar_ratio:{width:v,height:w},codec_size:{width:k,height:C},present_size:{width:D,height:C}}}static parseSPS$2(e){let t=e.subarray(1,4),r="avc1.";for(let e=0;e<3;e++){let i=t[e].toString(16);i.length<2&&(i="0"+i),r+=i}let i=It._ebsp2rbsp(e),n=new rt(i);n.readByte();let s=n.readByte();n.readByte();let a=n.readByte();n.readUEG();let o=It.getProfileString(s),d=It.getLevelString(a),l=1,u=420,c=[0,420,422,444],f=8,h=8;if((100===s||110===s||122===s||244===s||44===s||83===s||86===s||118===s||128===s||138===s||144===s)&&(l=n.readUEG(),3===l&&n.readBits(1),l<=3&&(u=c[l]),f=n.readUEG()+8,h=n.readUEG()+8,n.readBits(1),n.readBool())){let e=3!==l?8:12;for(let t=0;t<e;t++)n.readBool()&&(t<6?It._skipScalingList(n,16):It._skipScalingList(n,64))}n.readUEG();let p=n.readUEG();if(0===p)n.readUEG();else if(1===p){n.readBits(1),n.readSEG(),n.readSEG();let e=n.readUEG();for(let t=0;t<e;t++)n.readSEG()}let m=n.readUEG();n.readBits(1);let _=n.readUEG(),g=n.readUEG(),y=n.readBits(1);0===y&&n.readBits(1),n.readBits(1);let b=0,v=0,w=0,S=0;n.readBool()&&(b=n.readUEG(),v=n.readUEG(),w=n.readUEG(),S=n.readUEG());let E=1,A=1,U=0,x=!0,B=0,T=0;if(n.readBool()){if(n.readBool()){let e=n.readByte();e>0&&e<16?(E=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],A=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(E=n.readByte()<<8|n.readByte(),A=n.readByte()<<8|n.readByte())}if(n.readBool()&&n.readBool(),n.readBool()&&(n.readBits(4),n.readBool()&&n.readBits(24)),n.readBool()&&(n.readUEG(),n.readUEG()),n.readBool()){let e=n.readBits(32),t=n.readBits(32);x=n.readBool(),B=t,T=2*e,U=B/T}}let k=1;1===E&&1===A||(k=E/A);let C=0,D=0;if(0===l)C=1,D=2-y;else{C=3===l?1:2,D=(1===l?2:1)*(2-y)}let I=16*(_+1),P=16*(g+1)*(2-y);I-=(b+v)*C,P-=(w+S)*D;let F=Math.ceil(I*k);return n.destroy(),n=null,{codec_mimetype:r,profile_idc:s,level_idc:a,profile_string:o,level_string:d,chroma_format_idc:l,bit_depth:f,bit_depth_luma:f,bit_depth_chroma:h,ref_frames:m,chroma_format:u,chroma_format_string:It.getChromaFormatString(u),frame_rate:{fixed:x,fps:U,fps_den:T,fps_num:B},sar_ratio:{width:E,height:A},codec_size:{width:I,height:P},present_size:{width:F,height:P}}}static _skipScalingList(e,t){let r=8,i=8,n=0;for(let s=0;s<t;s++)0!==i&&(n=e.readSEG(),i=(r+n+256)%256),r=0===i?r:i}static getProfileString(e){switch(e){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(e){return(e/10).toFixed(1)}static getChromaFormatString(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}class Pt{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,r=0;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,r=this.bufoff+e>8?8-this.bufoff:e,t<<=r,t+=this.buffer[this.bufpos]>>8-this.bufoff-r&255>>8-r,this.bufoff+=r,e-=r,8==this.bufoff&&(this.bufpos++,this.bufoff=0)}return t}look(e){let t=this.bufpos,r=this.bufoff,i=this.read(e);return this.bufpos=t,this.bufoff=r,i}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function Ft(e){const t={};let r=function(){let e=new ArrayBuffer(2);return new DataView(e).setInt16(0,256,!0),256===new Int16Array(e)[0]}();const i=new DataView(e.buffer);let n=i.getUint8(0),s=i.getUint8(1);if(i.getUint8(2),i.getUint8(3),1!==n||0===s)return{};const a=1+(3&i.getUint8(4));if(3!==a&&4!==a)return{};let o=31&i.getUint8(5);if(0===o)return{};let d=6;for(let n=0;n<o;n++){let s=i.getUint16(d,!r);if(d+=2,0===s)continue;let a=new Uint8Array(e.buffer,d,s);d+=s;let o=It.parseSPS(a);if(0!==n)continue;t.sps=a,t.timescale=1e3,t.codecWidth=o.codec_size.width,t.codecHeight=o.codec_size.height,t.presentWidth=o.present_size.width,t.presentHeight=o.present_size.height,t.profile=o.profile_string,t.level=o.level_string,t.bitDepth=o.bit_depth,t.chromaFormat=o.chroma_format,t.sarRatio=o.sar_ratio,t.frameRate=o.frame_rate,!1!==o.frame_rate.fixed&&0!==o.frame_rate.fps_num&&0!==o.frame_rate.fps_den||(t.frameRate={fixed:!0,fps:25,fps_num:25e3,fps_den:1e3});let l=t.frameRate.fps_den,u=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(l/u);let c=a.subarray(1,4),f="avc1.";for(let e=0;e<3;e++){let t=c[e].toString(16);t.length<2&&(t="0"+t),f+=t}t.codec=f}let l=i.getUint8(d);if(0===l)return{};d++;for(let n=0;n<l;n++){let n=i.getUint16(d,!r);if(d+=2,0===n)continue;let s=new Uint8Array(e.buffer,d,n);d+=n,t.pps=s}if(t.videoType=Ge.h264,t.sps){const e=t.sps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.sps,4),t.sps=i}if(t.pps){const e=t.pps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.pps,4),t.pps=i}return t}function Lt(e){let{sps:t,pps:r}=e;const i=[23,0,0,0,0,1,66,0,30,255];i[0]=23,i[6]=t[1],i[7]=t[2],i[8]=t[3],i[10]=225,i[11]=t.byteLength>>8&255,i[12]=255&t.byteLength,i.push(...t,1,r.byteLength>>8&255,255&r.byteLength,...r);return new Uint8Array(i)}function Mt(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function Rt(e){return 31&e[0]}function Nt(e){return e===Ce.kSliceSEI}function zt(e){return!function(e){return e===Ce.sps||e===Ce.pps}(e)&&!Nt(e)}function Ot(e){return e===Ce.iFrame}class Gt{constructor(e){this.data=e,this.eofFlag=!1,this.currentStartcodeOffset=this.findNextStartCodeOffset(0),this.eofFlag&&console.error("Could not find H264 startcode until payload end!")}findNextStartCodeOffset(e){let t=e,r=this.data;for(;;){if(t+3>=r.byteLength)return this.eofFlag=!0,r.byteLength;let e=r[t+0]<<24|r[t+1]<<16|r[t+2]<<8|r[t+3],i=r[t+0]<<16|r[t+1]<<8|r[t+2];if(1===e||1===i)return t;t++}}readNextNaluPayload(){let e=this.data,t=null;for(;null==t&&!this.eofFlag;){let r=this.currentStartcodeOffset;r+=1===(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3])?4:3;let i=31&e[r],n=(128&e[r])>>>7,s=this.findNextStartCodeOffset(r);this.currentStartcodeOffset=s,i>=Ce.kReserved0||0===n&&(t={type:i,data:e.subarray(r,s)})}return t}}class $t{constructor(e){let t=e.data.byteLength;this.type=e.type,this.data=new Uint8Array(4+t),new DataView(this.data.buffer).setUint32(0,t),this.data.set(e.data,4)}}const Ht=e=>{let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[n]=t[e],n++);return new Uint8Array(i.buffer,0,n)},Vt=e=>{switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}},Wt=e=>{let t=Ht(e),r=new rt(t);r.readByte(),r.readByte();let i=0,n=0,s=0,a=0;r.readBits(4);let o=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),c=r.readByte(),f=r.readByte(),h=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),b=r.readByte(),v=r.readByte(),w=r.readByte(),S=[],E=[];for(let e=0;e<o;e++)S.push(r.readBool()),E.push(r.readBool());if(o>0)for(let e=o;e<8;e++)r.readBits(2);for(let e=0;e<o;e++)S[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),S[e]&&r.readByte();r.readUEG();let A=r.readUEG();3==A&&r.readBits(1);let U=r.readUEG(),x=r.readUEG();r.readBool()&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG());let B=r.readUEG(),T=r.readUEG(),k=r.readUEG();for(let e=r.readBool()?0:o;e<=o;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()){if(r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++){if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG()}}r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let C=r.readUEG(),D=0;for(let e=0;e<C;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===C&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<k+4;e++)r.readBits(1);r.readBits(1)}}let I=!1,P=0,F=1,L=1,M=!1,R=1,N=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<16?(F=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],L=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(F=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()){r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())}if(r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),I=r.readBool(),I&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG()),r.readBool()){if(R=r.readBits(32),N=r.readBits(32),r.readBool()){if(r.readUEG(),r.readBool()){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let n=0;n<=o;n++){let n=r.readBool();M=n;let s=!1,a=1;n||(s=r.readBool());let o=!1;if(s?r.readSEG():o=r.readBool(),o||(cpbcnt=r.readUEG()+1),e)for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());if(t)for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG())}}}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),P=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let z=`hvc1.${u}.1.L${w}.B0`,O=U,G=x,$=1;return 1!==F&&1!==L&&($=F/L),r.destroy(),r=null,{codec_mimetype:z,level_string:(H=w,(H/30).toFixed(1)),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:A,chroma_format_string:Vt(A),general_level_idc:w,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:c,general_profile_compatibility_flags_2:f,general_profile_compatibility_flags_3:h,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:P,constant_frame_rate:0,chroma_format_idc:A,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:T,frame_rate:{fixed:M,fps:N/R,fps_den:R,fps_num:N},sar_ratio:{width:F,height:L},codec_size:{width:O,height:G},present_size:{width:O*$,height:G}};var H},jt=e=>{let t=Ht(e),r=new rt(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}},qt=e=>{let t=Ht(e),r=new rt(t);r.readByte(),r.readByte(),r.readUEG(),r.readUEG(),r.readBool(),r.readBool(),r.readBits(3),r.readBool(),r.readBool(),r.readUEG(),r.readUEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool()&&r.readUEG(),r.readSEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool(),r.readBool();let i=r.readBool(),n=r.readBool(),s=1;return n&&i?s=0:n?s=3:i&&(s=2),{parallelismType:s}};class Yt{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[n]=t[e],n++);return new Uint8Array(i.buffer,0,n)}static parseVPS(e){let t=Yt._ebsp2rbsp(e),r=new rt(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}}static parseSPS(e){let t=Yt._ebsp2rbsp(e),r=new rt(t);r.readByte(),r.readByte();let i=0,n=0,s=0,a=0;r.readBits(4);let o=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),c=r.readByte(),f=r.readByte(),h=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),b=r.readByte(),v=r.readByte(),w=r.readByte(),S=[],E=[];for(let e=0;e<o;e++)S.push(r.readBool()),E.push(r.readBool());if(o>0)for(let e=o;e<8;e++)r.readBits(2);for(let e=0;e<o;e++)S[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),E[e]&&r.readByte();r.readUEG();let A=r.readUEG();3==A&&r.readBits(1);let U=r.readUEG(),x=r.readUEG();r.readBool()&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),a+=r.readUEG());let B=r.readUEG(),T=r.readUEG(),k=r.readUEG();for(let e=r.readBool()?0:o;e<=o;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()){if(r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++){if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG()}}r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let C=r.readUEG(),D=0;for(let e=0;e<C;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===C&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<k+4;e++)r.readBits(1);r.readBits(1)}}let I=!1,P=0,F=1,L=1,M=!1,R=1,N=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<=16?(F=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],L=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(F=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()){r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())}if(r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),I=r.readBool(),I&&(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG()),r.readBool()){if(R=r.readBits(32),N=r.readBits(32),r.readBool()&&r.readUEG(),r.readBool()){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let n=0;n<=o;n++){let n=r.readBool();M=n;let s=!0,a=1;n||(s=r.readBool());let o=!1;if(s?r.readUEG():o=r.readBool(),o||(a=r.readUEG()+1),e){for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());r.readBool()}if(t){for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());r.readBool()}}}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),P=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let z=`hvc1.${u}.1.L${w}.B0`,O=U-(i+n)*(1===A||2===A?2:1),G=x-(s+a)*(1===A?2:1),$=1;return 1!==F&&1!==L&&($=F/L),r.destroy(),r=null,{codec_mimetype:z,profile_string:Yt.getProfileString(u),level_string:Yt.getLevelString(w),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:A,chroma_format_string:Yt.getChromaFormatString(A),general_level_idc:w,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:c,general_profile_compatibility_flags_2:f,general_profile_compatibility_flags_3:h,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:P,constant_frame_rate:0,chroma_format_idc:A,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:T,frame_rate:{fixed:M,fps:N/R,fps_den:R,fps_num:N},sar_ratio:{width:F,height:L},codec_size:{width:O,height:G},present_size:{width:O*$,height:G}}}static parsePPS(e){let t=Yt._ebsp2rbsp(e),r=new rt(t);r.readByte(),r.readByte(),r.readUEG(),r.readUEG(),r.readBool(),r.readBool(),r.readBits(3),r.readBool(),r.readBool(),r.readUEG(),r.readUEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool()&&r.readUEG(),r.readSEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool(),r.readBool();let i=r.readBool(),n=r.readBool(),s=1;return n&&i?s=0:n?s=3:i&&(s=2),{parallelismType:s}}static getChromaFormatString(e){switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}}static getProfileString(e){switch(e){case 1:return"Main";case 2:return"Main10";case 3:return"MainSP";case 4:return"Rext";case 9:return"SCC";default:return"Unknown"}}static getLevelString(e){return(e/30).toFixed(1)}}function Kt(e){let t={codecWidth:0,codecHeight:0,videoType:Ge.h265,width:0,height:0,profile:0,level:0};e=e.slice(5);do{let r={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(r.configurationVersion=e[0],1!=r.configurationVersion)break;r.general_profile_space=e[1]>>6&3,r.general_tier_flag=e[1]>>5&1,r.general_profile_idc=31&e[1],r.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],r.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],r.general_constraint_indicator_flags=r.general_constraint_indicator_flags<<16|e[10]<<8|e[11],r.general_level_idc=e[12],r.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],r.parallelismType=3&e[15],r.chromaFormat=3&e[16],r.bitDepthLumaMinus8=7&e[17],r.bitDepthChromaMinus8=7&e[18],r.avgFrameRate=e[19]<<8|e[20],r.constantFrameRate=e[21]>>6&3,r.numTemporalLayers=e[21]>>3&7,r.temporalIdNested=e[21]>>2&1,r.lengthSizeMinusOne=3&e[21];let i=e[22],n=e.slice(23);for(let e=0;e<i&&!(n.length<3);e++){let e=63&n[0],i=n[1]<<8|n[2];n=n.slice(3);for(let s=0;s<i&&!(n.length<2);s++){let i=n[0]<<8|n[1];if(n.length<2+i)break;if(n=n.slice(2),33==e){let e=new Uint8Array(i);e.set(n.slice(0,i),0),r.psps=Zt(e,r),t.profile=r.general_profile_idc,t.level=r.general_level_idc/30,t.width=r.psps.pic_width_in_luma_samples-(r.psps.conf_win_left_offset+r.psps.conf_win_right_offset),t.height=r.psps.pic_height_in_luma_samples-(r.psps.conf_win_top_offset+r.psps.conf_win_bottom_offset)}n=n.slice(i)}}}while(0);return t.codecWidth=t.width||1920,t.codecHeight=t.height||1080,t.presentHeight=t.codecHeight,t.presentWidth=t.codecWidth,t.timescale=1e3,t.refSampleDuration=1e3/23976*1e3,t}function Xt(e){const t=e;if(t.length<22)return console.error(`Invalid HEVCDecoderConfigurationRecord, lack of data! ${t.length} < 22`),{};let r={codecWidth:0,codecHeight:0,videoType:Ge.h265},i=function(){let e=new ArrayBuffer(2);return new DataView(e).setInt16(0,256,!0),256===new Int16Array(e)[0]}(),n=new DataView(t.buffer),s=n.getUint8(0),a=31&n.getUint8(1);if(1!==s||0===a)return console.error(`Invalid HEVCDecoderConfigurationRecord,version is ${s}, hevcProfile is ${a}`),{};let o=1+(3&n.getUint8(21));if(3!==o&&4!==o)return console.error("Invalid HEVCDecoderConfigurationRecord, Strange NaluLengthSizeMinusOne: "+(o-1)),{};let d=n.getUint8(22);for(let e=0,s=23;e<d;e++){let e=63&n.getUint8(s+0),a=n.getUint16(s+1,!i);s+=3;for(let o=0;o<a;o++){let a=n.getUint16(s+0,!i);if(0===o)if(33===e){s+=2;let e=new Uint8Array(t.buffer,s,a),i=Yt.parseSPS(e);r.codecWidth=i.codec_size.width,r.codecHeight=i.codec_size.height,r.presentWidth=i.present_size.width,r.presentHeight=i.present_size.height,r.profile=i.profile_string,r.level=i.level_string,r.bitDepth=i.bit_depth,r.chromaFormat=i.chroma_format,r.sarRatio=i.sar_ratio,r.frameRate=i.frame_rate,!1!==i.frame_rate.fixed&&0!==i.frame_rate.fps_num&&0!==i.frame_rate.fps_den||(r.frameRate={fixed:!0,fps:23.976,fps_num:23976,fps_den:1e3}),r.frameRate.fps_den,r.frameRate.fps_num,r.codec=i.codec_mimetype,s+=a}else s+=2+a;else s+=2+a}}return r.hvcc=new Uint8Array(t),r}function Zt(e,t){let r={},i=e.length,n=[],s=new Pt(e);s.read(1),s.read(6),s.read(6),s.read(3);for(let e=2;e<i;e++)e+2<i&&3==s.look(24)?(n.push(s.read(8)),n.push(s.read(8)),e+=2,s.read(8)):n.push(s.read(8));let a=new Uint8Array(n),o=new Pt(a);if(r.sps_video_parameter_set_id=o.read(4),r.sps_max_sub_layers_minus1=o.read(3),r.sps_temporal_id_nesting_flag=o.read(1),r.profile_tier_level=function(e,t,r){let i={};i.profile_space=e.read(2),i.tier_flag=e.read(1),i.profile_idc=e.read(5),i.profile_compatibility_flags=e.read(32),i.general_progressive_source_flag=e.read(1),i.general_interlaced_source_flag=e.read(1),i.general_non_packed_constraint_flag=e.read(1),i.general_frame_only_constraint_flag=e.read(1),e.read(32),e.read(12),i.level_idc=e.read(8),i.sub_layer_profile_present_flag=[],i.sub_layer_level_present_flag=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]=e.read(1),i.sub_layer_level_present_flag[t]=e.read(1);if(r>0)for(let t=r;t<8;t++)e.read(2);i.sub_layer_profile_space=[],i.sub_layer_tier_flag=[],i.sub_layer_profile_idc=[],i.sub_layer_profile_compatibility_flag=[],i.sub_layer_progressive_source_flag=[],i.sub_layer_interlaced_source_flag=[],i.sub_layer_non_packed_constraint_flag=[],i.sub_layer_frame_only_constraint_flag=[],i.sub_layer_level_idc=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]&&(i.sub_layer_profile_space[t]=e.read(2),i.sub_layer_tier_flag[t]=e.read(1),i.sub_layer_profile_idc[t]=e.read(5),i.sub_layer_profile_compatibility_flag[t]=e.read(32),i.sub_layer_progressive_source_flag[t]=e.read(1),i.sub_layer_interlaced_source_flag[t]=e.read(1),i.sub_layer_non_packed_constraint_flag[t]=e.read(1),i.sub_layer_frame_only_constraint_flag[t]=e.read(1),e.read(32),e.read(12)),i.sub_layer_level_present_flag[t]?i.sub_layer_level_idc[t]=e.read(8):i.sub_layer_level_idc[t]=1;return i}(o,0,r.sps_max_sub_layers_minus1),r.sps_seq_parameter_set_id=o.read_golomb(),r.chroma_format_idc=o.read_golomb(),3==r.chroma_format_idc?r.separate_colour_plane_flag=o.read(1):r.separate_colour_plane_flag=0,r.pic_width_in_luma_samples=o.read_golomb(),r.pic_height_in_luma_samples=o.read_golomb(),r.conformance_window_flag=o.read(1),r.conformance_window_flag){let e=1+(r.chroma_format_idc<2),t=1+(r.chroma_format_idc<3);r.conf_win_left_offset=o.read_golomb()*t,r.conf_win_right_offset=o.read_golomb()*t,r.conf_win_top_offset=o.read_golomb()*e,r.conf_win_bottom_offset=o.read_golomb()*e}else r.conf_win_left_offset=0,r.conf_win_right_offset=0,r.conf_win_top_offset=0,r.conf_win_bottom_offset=0;return r}function Jt(e){let{vps:t,pps:r,sps:i}=e,n={configurationVersion:1};const s=jt(t),a=Wt(i),o=qt(r);n=Object.assign(n,s,a,o);let d=23+(5+t.byteLength)+(5+i.byteLength)+(5+r.byteLength),l=new Uint8Array(d);l[0]=1,l[1]=(3&n.general_profile_space)<<6|(n.general_tier_flag?1:0)<<5|31&n.general_profile_idc,l[2]=n.general_profile_compatibility_flags_1||0,l[3]=n.general_profile_compatibility_flags_2||0,l[4]=n.general_profile_compatibility_flags_3||0,l[5]=n.general_profile_compatibility_flags_4||0,l[6]=n.general_constraint_indicator_flags_1||0,l[7]=n.general_constraint_indicator_flags_2||0,l[8]=n.general_constraint_indicator_flags_3||0,l[9]=n.general_constraint_indicator_flags_4||0,l[10]=n.general_constraint_indicator_flags_5||0,l[11]=n.general_constraint_indicator_flags_6||0,l[12]=60,l[13]=240|(3840&n.min_spatial_segmentation_idc)>>8,l[14]=255&n.min_spatial_segmentation_idc,l[15]=252|3&n.parallelismType,l[16]=252|3&n.chroma_format_idc,l[17]=248|7&n.bit_depth_luma_minus8,l[18]=248|7&n.bit_depth_chroma_minus8,l[19]=0,l[20]=0,l[21]=(3&n.constant_frame_rate)<<6|(7&n.num_temporal_layers)<<3|(n.temporal_id_nested?1:0)<<2|3,l[22]=3,l[23]=128|De.vps,l[24]=0,l[25]=1,l[26]=(65280&t.byteLength)>>8,l[27]=(255&t.byteLength)>>0,l.set(t,28),l[23+(5+t.byteLength)+0]=128|De.sps,l[23+(5+t.byteLength)+1]=0,l[23+(5+t.byteLength)+2]=1,l[23+(5+t.byteLength)+3]=(65280&i.byteLength)>>8,l[23+(5+t.byteLength)+4]=(255&i.byteLength)>>0,l.set(i,23+(5+t.byteLength)+5),l[23+(5+t.byteLength+5+i.byteLength)+0]=128|De.pps,l[23+(5+t.byteLength+5+i.byteLength)+1]=0,l[23+(5+t.byteLength+5+i.byteLength)+2]=1,l[23+(5+t.byteLength+5+i.byteLength)+3]=(65280&r.byteLength)>>8,l[23+(5+t.byteLength+5+i.byteLength)+4]=(255&r.byteLength)>>0,l.set(r,23+(5+t.byteLength+5+i.byteLength)+5);const u=[28,0,0,0,0],c=new Uint8Array(u.length+l.byteLength);return c.set(u,0),c.set(l,u.length),c}function Qt(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function er(e){return(126&e[0])>>1}function tr(e){return!function(e){return e>=32&&e<=40}(e)}function rr(e){return e>=16&&e<=21}class ir{constructor(e){this.data=e,this.eofFlag=!1,this.currentStartcodeOffset=this.findNextStartCodeOffset(0),this.eofFlag&&console.error("Could not find H265 startcode until payload end!")}findNextStartCodeOffset(e){let t=e,r=this.data;for(;;){if(t+3>=r.byteLength)return this.eofFlag=!0,r.byteLength;let e=r[t+0]<<24|r[t+1]<<16|r[t+2]<<8|r[t+3],i=r[t+0]<<16|r[t+1]<<8|r[t+2];if(1===e||1===i)return t;t++}}readNextNaluPayload(){let e=this.data,t=null;for(;null==t&&!this.eofFlag;){let r=this.currentStartcodeOffset;r+=1===(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3])?4:3;let i=e[r]>>1&63,n=(128&e[r])>>>7,s=this.findNextStartCodeOffset(r);this.currentStartcodeOffset=s,0===n&&(t={type:i,data:e.subarray(r,s)})}return t}}class nr{constructor(e){let t=e.data.byteLength;this.type=e.type,this.data=new Uint8Array(4+t),new DataView(this.data.buffer).setUint32(0,t),this.data.set(e.data,4)}}function sr(e){return parseInt(e)===e}function ar(e){if(!sr(e.length))return!1;for(var t=0;t<e.length;t++)if(!sr(e[t])||e[t]<0||e[t]>255)return!1;return!0}function or(e,t){if(e.buffer&&"Uint8Array"===e.name)return t&&(e=e.slice?e.slice():Array.prototype.slice.call(e)),e;if(Array.isArray(e)){if(!ar(e))throw new Error("Array contains invalid value: "+e);return new Uint8Array(e)}if(sr(e.length)&&ar(e))return new Uint8Array(e);throw new Error("unsupported array-like object")}function dr(e){return new Uint8Array(e)}function lr(e,t,r,i,n){null==i&&null==n||(e=e.slice?e.slice(i,n):Array.prototype.slice.call(e,i,n)),t.set(e,r)}var ur,cr={toBytes:function(e){var t=[],r=0;for(e=encodeURI(e);r<e.length;){var i=e.charCodeAt(r++);37===i?(t.push(parseInt(e.substr(r,2),16)),r+=2):t.push(i)}return or(t)},fromBytes:function(e){for(var t=[],r=0;r<e.length;){var i=e[r];i<128?(t.push(String.fromCharCode(i)),r++):i>191&&i<224?(t.push(String.fromCharCode((31&i)<<6|63&e[r+1])),r+=2):(t.push(String.fromCharCode((15&i)<<12|(63&e[r+1])<<6|63&e[r+2])),r+=3)}return t.join("")}},fr=(ur="0123456789abcdef",{toBytes:function(e){for(var t=[],r=0;r<e.length;r+=2)t.push(parseInt(e.substr(r,2),16));return t},fromBytes:function(e){for(var t=[],r=0;r<e.length;r++){var i=e[r];t.push(ur[(240&i)>>4]+ur[15&i])}return 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kr(e){for(var t=[],r=0;r<e.length;r+=4)t.push(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3]);return t}var Cr=function(e){if(!(this instanceof Cr))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:or(e,!0)}),this._prepare()};Cr.prototype._prepare=function(){var e=hr[this.key.length];if(null==e)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var t=0;t<=e;t++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var r,i=4*(e+1),n=this.key.length/4,s=kr(this.key);for(t=0;t<n;t++)r=t>>2,this._Ke[r][t%4]=s[t],this._Kd[e-r][t%4]=s[t];for(var a,o=0,d=n;d<i;){if(a=s[n-1],s[0]^=mr[a>>16&255]<<24^mr[a>>8&255]<<16^mr[255&a]<<8^mr[a>>24&255]^pr[o]<<24,o+=1,8!=n)for(t=1;t<n;t++)s[t]^=s[t-1];else{for(t=1;t<n/2;t++)s[t]^=s[t-1];a=s[n/2-1],s[n/2]^=mr[255&a]^mr[a>>8&255]<<8^mr[a>>16&255]<<16^mr[a>>24&255]<<24;for(t=n/2+1;t<n;t++)s[t]^=s[t-1]}for(t=0;t<n&&d<i;)l=d>>2,u=d%4,this._Ke[l][u]=s[t],this._Kd[e-l][u]=s[t++],d++}for(var l=1;l<e;l++)for(var u=0;u<4;u++)a=this._Kd[l][u],this._Kd[l][u]=Ur[a>>24&255]^xr[a>>16&255]^Br[a>>8&255]^Tr[255&a]},Cr.prototype.encrypt=function(e){if(16!=e.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var t=this._Ke.length-1,r=[0,0,0,0],i=kr(e),n=0;n<4;n++)i[n]^=this._Ke[0][n];for(var s=1;s<t;s++){for(n=0;n<4;n++)r[n]=gr[i[n]>>24&255]^yr[i[(n+1)%4]>>16&255]^br[i[(n+2)%4]>>8&255]^vr[255&i[(n+3)%4]]^this._Ke[s][n];i=r.slice()}var a,o=dr(16);for(n=0;n<4;n++)a=this._Ke[t][n],o[4*n]=255&(mr[i[n]>>24&255]^a>>24),o[4*n+1]=255&(mr[i[(n+1)%4]>>16&255]^a>>16),o[4*n+2]=255&(mr[i[(n+2)%4]>>8&255]^a>>8),o[4*n+3]=255&(mr[255&i[(n+3)%4]]^a);return o},Cr.prototype.decrypt=function(e){if(16!=e.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var t=this._Kd.length-1,r=[0,0,0,0],i=kr(e),n=0;n<4;n++)i[n]^=this._Kd[0][n];for(var s=1;s<t;s++){for(n=0;n<4;n++)r[n]=wr[i[n]>>24&255]^Sr[i[(n+3)%4]>>16&255]^Er[i[(n+2)%4]>>8&255]^Ar[255&i[(n+1)%4]]^this._Kd[s][n];i=r.slice()}var a,o=dr(16);for(n=0;n<4;n++)a=this._Kd[t][n],o[4*n]=255&(_r[i[n]>>24&255]^a>>24),o[4*n+1]=255&(_r[i[(n+3)%4]>>16&255]^a>>16),o[4*n+2]=255&(_r[i[(n+2)%4]>>8&255]^a>>8),o[4*n+3]=255&(_r[255&i[(n+1)%4]]^a);return o};var Dr=function(e){if(!(this instanceof Dr))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new Cr(e)};Dr.prototype.encrypt=function(e){if((e=or(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=dr(e.length),r=dr(16),i=0;i<e.length;i+=16)lr(e,r,0,i,i+16),lr(r=this._aes.encrypt(r),t,i);return t},Dr.prototype.decrypt=function(e){if((e=or(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=dr(e.length),r=dr(16),i=0;i<e.length;i+=16)lr(e,r,0,i,i+16),lr(r=this._aes.decrypt(r),t,i);return t};var Ir=function(e,t){if(!(this instanceof Ir))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=dr(16);this._lastCipherblock=or(t,!0),this._aes=new Cr(e)};Ir.prototype.encrypt=function(e){if((e=or(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=dr(e.length),r=dr(16),i=0;i<e.length;i+=16){lr(e,r,0,i,i+16);for(var n=0;n<16;n++)r[n]^=this._lastCipherblock[n];this._lastCipherblock=this._aes.encrypt(r),lr(this._lastCipherblock,t,i)}return t},Ir.prototype.decrypt=function(e){if((e=or(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=dr(e.length),r=dr(16),i=0;i<e.length;i+=16){lr(e,r,0,i,i+16),r=this._aes.decrypt(r);for(var n=0;n<16;n++)t[i+n]=r[n]^this._lastCipherblock[n];lr(e,this._lastCipherblock,0,i,i+16)}return t};var Pr=function(e,t,r){if(!(this instanceof Pr))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 size)")}else t=dr(16);r||(r=1),this.segmentSize=r,this._shiftRegister=or(t,!0),this._aes=new Cr(e)};Pr.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,r=or(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var n=0;n<this.segmentSize;n++)r[i+n]^=t[n];lr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),lr(r,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r},Pr.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,r=or(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var n=0;n<this.segmentSize;n++)r[i+n]^=t[n];lr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),lr(e,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r};var Fr=function(e,t){if(!(this instanceof Fr))throw Error("AES must be instanitated with `new`");if(this.description="Output Feedback",this.name="ofb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=dr(16);this._lastPrecipher=or(t,!0),this._lastPrecipherIndex=16,this._aes=new Cr(e)};Fr.prototype.encrypt=function(e){for(var t=or(e,!0),r=0;r<t.length;r++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),t[r]^=this._lastPrecipher[this._lastPrecipherIndex++];return t},Fr.prototype.decrypt=Fr.prototype.encrypt;var Lr=function(e){if(!(this instanceof Lr))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=dr(16),this.setValue(e)):this.setBytes(e)};Lr.prototype.setValue=function(e){if("number"!=typeof e||parseInt(e)!=e)throw new Error("invalid counter value (must be an integer)");if(e>Number.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var t=15;t>=0;--t)this._counter[t]=e%256,e=parseInt(e/256)},Lr.prototype.setBytes=function(e){if(16!=(e=or(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},Lr.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var Mr=function(e,t){if(!(this instanceof Mr))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof Lr||(t=new Lr(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new Cr(e)};Mr.prototype.encrypt=function(e){for(var t=or(e,!0),r=0;r<t.length;r++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[r]^=this._remainingCounter[this._remainingCounterIndex++];return t},Mr.prototype.decrypt=Mr.prototype.encrypt;const Rr={AES:Cr,Counter:Lr,ModeOfOperation:{ecb:Dr,cbc:Ir,cfb:Pr,ofb:Fr,ctr:Mr},utils:{hex:fr,utf8:cr},padding:{pkcs7:{pad:function(e){var t=16-(e=or(e,!0)).length%16,r=dr(e.length+t);lr(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=or(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(t>16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var n=dr(r);return lr(e,n,0,0,r),n}}},_arrayTest:{coerceArray:or,createArray:dr,copyArray:lr}};var Nr=tt((function(e,t){var r,n,s,a=(r=new Date,n=4,s={setLogLevel:function(e){n=e==this.debug?1:e==this.info?2:e==this.warn?3:(this.error,4)},debug:function(e,t){void 0===console.debug&&(console.debug=console.log),1>=n&&console.debug("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=n&&console.info("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=n&&console.warn("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=n&&console.error("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},s);a.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length<t;)r[0]="0"+r[0];return r.join(".")}e<0?(r=!0,e=-e):r=!1;var n=e/(t||1),s=Math.floor(n/3600);n-=3600*s;var a=Math.floor(n/60),o=1e3*(n-=60*a);return o-=1e3*(n=Math.floor(n)),o=Math.floor(o),(r?"-":"")+s+":"+i(a,2)+":"+i(n,2)+"."+i(o,3)},a.printRanges=function(e){var t=e.length;if(t>0){for(var r="",i=0;i<t;i++)i>0&&(r+=","),r+="["+a.getDurationString(e.start(i))+","+a.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=a;var o=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};o.prototype.getPosition=function(){return this.position},o.prototype.getEndPosition=function(){return this.buffer.byteLength},o.prototype.getLength=function(){return this.buffer.byteLength},o.prototype.seek=function(e){var t=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(t)||!isFinite(t)?0:t,!0},o.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},o.prototype.readAnyInt=function(e,t){var r=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:r=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:r=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";r=this.dataview.getUint8(this.position)<<16,r|=this.dataview.getUint8(this.position+1)<<8,r|=this.dataview.getUint8(this.position+2);break;case 4:r=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";r=this.dataview.getUint32(this.position)<<32,r|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,r}throw"Not enough bytes in buffer"},o.prototype.readUint8=function(){return this.readAnyInt(1,!1)},o.prototype.readUint16=function(){return this.readAnyInt(2,!1)},o.prototype.readUint24=function(){return this.readAnyInt(3,!1)},o.prototype.readUint32=function(){return this.readAnyInt(4,!1)},o.prototype.readUint64=function(){return this.readAnyInt(8,!1)},o.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",r=0;r<e;r++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},o.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},o.prototype.readInt8=function(){return this.readAnyInt(1,!0)},o.prototype.readInt16=function(){return this.readAnyInt(2,!0)},o.prototype.readInt32=function(){return this.readAnyInt(4,!0)},o.prototype.readInt64=function(){return this.readAnyInt(8,!1)},o.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),r=0;r<e;r++)t[r]=this.readUint8();return t},o.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readInt16();return t},o.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readUint16();return t},o.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),r=0;r<e;r++)t[r]=this.readUint32();return t},o.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),r=0;r<e;r++)t[r]=this.readInt32();return t},t.MP4BoxStream=o;var d=function(e,t,r){this._byteOffset=t||0,e instanceof ArrayBuffer?this.buffer=e:"object"==typeof e?(this.dataView=e,t&&(this._byteOffset+=t)):this.buffer=new ArrayBuffer(e||0),this.position=0,this.endianness=null==r?d.LITTLE_ENDIAN:r};d.prototype={},d.prototype.getPosition=function(){return this.position},d.prototype._realloc=function(e){if(this._dynamicSize){var t=this._byteOffset+this.position+e,r=this._buffer.byteLength;if(t<=r)t>this._byteLength&&(this._byteLength=t);else{for(r<1&&(r=1);t>r;)r*=2;var i=new ArrayBuffer(r),n=new Uint8Array(this._buffer);new Uint8Array(i,0,n.length).set(n),this.buffer=i,this._byteLength=t}}},d.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var e=new ArrayBuffer(this._byteLength),t=new Uint8Array(e),r=new Uint8Array(this._buffer,0,t.length);t.set(r),this.buffer=e}},d.BIG_ENDIAN=!1,d.LITTLE_ENDIAN=!0,d.prototype._byteLength=0,Object.defineProperty(d.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(d.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(e){this._buffer=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset,this._buffer=e.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+e.byteLength}}),d.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},d.prototype.isEof=function(){return this.position>=this._byteLength},d.prototype.mapUint8Array=function(e){this._realloc(1*e);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},d.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},d.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},d.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,d.memcpy=function(e,t,r,i,n){var s=new Uint8Array(e,t,n),a=new Uint8Array(r,i,n);s.set(a)},d.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},d.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},d.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT)for(var i=r+e.BYTES_PER_ELEMENT-1,n=r;i>n;i--,n++){var s=t[n];t[n]=t[i],t[i]=s}return e},d.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r<e.length;r++)t[r]=e[r];return String.fromCharCode.apply(null,t)},d.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},d.prototype.readCString=function(e){var t=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),i=t;null!=e&&(i=Math.min(e,t));for(var n=0;n<i&&0!==r[n];n++);var s=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(n)]);return null!=e?this.position+=i-n:n!=t&&(this.position+=1),s};var l=Math.pow(2,32);d.prototype.readInt64=function(){return this.readInt32()*l+this.readUint32()},d.prototype.readUint64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readInt64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=d,d.prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var r=window.URL.createObjectURL(t),i=document.createElement("a");document.body.appendChild(i),i.setAttribute("href",r),i.setAttribute("download",e),i.setAttribute("target","_self"),i.click(),window.URL.revokeObjectURL(r)},d.prototype._dynamicSize=!0,Object.defineProperty(d.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),d.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),r=new Uint8Array(t),i=new Uint8Array(this._buffer,e,r.length);r.set(i),this.buffer=t,this.position-=e},d.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt32(e[r],t)},d.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt16(e[r],t)},d.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},d.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint32(e[r],t)},d.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint16(e[r],t)},d.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},d.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat64(e[r],t)},d.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat32(e[r],t)},d.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},d.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},d.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},d.prototype.writeUCS2String=function(e,t,r){null==r&&(r=e.length);for(var i=0;i<e.length&&i<r;i++)this.writeUint16(e.charCodeAt(i),t);for(;i<r;i++)this.writeUint16(0)},d.prototype.writeString=function(e,t,r){var i=0;if(null==t||"ASCII"==t)if(null!=r){var n=Math.min(e.length,r);for(i=0;i<n;i++)this.writeUint8(e.charCodeAt(i));for(;i<r;i++)this.writeUint8(0)}else for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))},d.prototype.writeCString=function(e,t){var r=0;if(null!=t){var i=Math.min(e.length,t);for(r=0;r<i;r++)this.writeUint8(e.charCodeAt(r));for(;r<t;r++)this.writeUint8(0)}else{for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));this.writeUint8(0)}},d.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}},d.prototype.writeType=function(e,t,r){var i;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,r);var n=null,s="ASCII",a=this.position;switch("string"==typeof e&&/:/.test(e)&&(i=e.split(":"),e=i[0],n=parseInt(i[1])),"string"==typeof e&&/,/.test(e)&&(i=e.split(","),e=i[0],s=parseInt(i[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,d.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,d.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,d.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,d.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,d.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,d.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,d.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,d.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,d.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,d.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,d.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,d.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,n);break;case"string":this.writeString(t,s,n);break;case"u16string":this.writeUCS2String(t,this.endianness,n);break;case"u16stringle":this.writeUCS2String(t,d.LITTLE_ENDIAN,n);break;case"u16stringbe":this.writeUCS2String(t,d.BIG_ENDIAN,n);break;default:if(3==e.length){for(var o=e[1],l=0;l<t.length;l++)this.writeType(o,t[l]);break}this.writeStruct(e,t)}null!=n&&(this.position=a,this._realloc(n),this.position=a+n)},d.prototype.writeUint64=function(e){var t=Math.floor(e/l);this.writeUint32(t),this.writeUint32(4294967295&e)},d.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},d.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},d.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapInt8Array=function(e){this._realloc(1*e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},d.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r};var u=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(u.prototype=new d(new ArrayBuffer,0,d.BIG_ENDIAN)).initialized=function(){var e;return this.bufferIndex>-1||(this.buffers.length>0?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,a.debug("MultiBufferStream","Stream ready for parsing"),!0):(a.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(a.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){a.debug("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);return r.set(new Uint8Array(e),0),r.set(new Uint8Array(t),e.byteLength),r.buffer},u.prototype.reduceBuffer=function(e,t,r){var i;return(i=new Uint8Array(r)).set(new Uint8Array(e,t,r)),i.buffer.fileStart=e.fileStart+t,i.buffer.usedBytes=0,i.buffer},u.prototype.insertBuffer=function(e){for(var t=!0,r=0;r<this.buffers.length;r++){var i=this.buffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.buffers.splice(r,1),r--;continue}a.warn("MultiBufferStream","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}else e.fileStart+e.byteLength<=i.fileStart||(e=this.reduceBuffer(e,0,i.fileStart-e.fileStart)),a.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(r,0,e),0===r&&(this.buffer=e);t=!1;break}if(e.fileStart<i.fileStart+i.byteLength){var n=i.fileStart+i.byteLength-e.fileStart,s=e.byteLength-n;if(!(s>0)){t=!1;break}e=this.reduceBuffer(e,n,s)}}t&&(a.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},u.prototype.logBufferLevel=function(e){var t,r,i,n,s,o=[],d="";for(i=0,n=0,t=0;t<this.buffers.length;t++)r=this.buffers[t],0===t?(s={},o.push(s),s.start=r.fileStart,s.end=r.fileStart+r.byteLength,d+="["+s.start+"-"):s.end===r.fileStart?s.end=r.fileStart+r.byteLength:((s={}).start=r.fileStart,d+=o[o.length-1].end-1+"], ["+s.start+"-",s.end=r.fileStart+r.byteLength,o.push(s)),i+=r.usedBytes,n+=r.byteLength;o.length>0&&(d+=s.end-1+"]");var l=e?a.info:a.debug;0===this.buffers.length?l("MultiBufferStream","No more buffer in memory"):l("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+n+" bytes), continuous ranges: "+d)},u.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(a.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},u.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,e),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=i,a.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},u.prototype.findPosition=function(e,t,r){var i,n=null,s=-1;for(i=!0===e?0:this.bufferIndex;i<this.buffers.length&&(n=this.buffers[i]).fileStart<=t;)s=i,r&&(n.fileStart+n.byteLength<=t?n.usedBytes=n.byteLength:n.usedBytes=t-n.fileStart,this.logBufferLevel()),i++;return-1!==s&&(n=this.buffers[s]).fileStart+n.byteLength>=t?(a.debug("MultiBufferStream","Found position in existing buffer #"+s),s):-1},u.prototype.findEndContiguousBuf=function(e){var t,r,i,n=void 0!==e?e:this.bufferIndex;if(r=this.buffers[n],this.buffers.length>n+1)for(t=n+1;t<this.buffers.length&&(i=this.buffers[t]).fileStart===r.fileStart+r.byteLength;t++)r=i;return r.fileStart+r.byteLength},u.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},u.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},u.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},u.prototype.seek=function(e,t,r){var i;return-1!==(i=this.findPosition(t,e,r))?(this.buffer=this.buffers[i],this.bufferIndex=i,this.position=e-this.buffer.fileStart,a.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(a.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},u.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},u.prototype.getLength=function(){return this.byteLength},u.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=u;var c=function(){var e=[];e[3]="ES_Descriptor",e[4]="DecoderConfigDescriptor",e[5]="DecoderSpecificInfo",e[6]="SLConfigDescriptor",this.getDescriptorName=function(t){return e[t]};var t=this,r={};return this.parseOneDescriptor=function(t){var i,n,s,o=0;for(i=t.readUint8(),s=t.readUint8();128&s;)o=(127&s)<<7,s=t.readUint8();return o+=127&s,a.debug("MPEG4DescriptorParser","Found "+(e[i]||"Descriptor "+i)+", size "+o+" at position "+t.getPosition()),(n=e[i]?new r[e[i]](o):new r.Descriptor(o)).parse(t),n},r.Descriptor=function(e,t){this.tag=e,this.size=t,this.descs=[]},r.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++)if(this.descs[t].tag==e)return this.descs[t];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(e){for(var r=e.position;e.position<r+this.size;){var i=t.parseOneDescriptor(e);this.descs.push(i)}},r.ES_Descriptor=function(e){r.Descriptor.call(this,3,e)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(e){if(this.ES_ID=e.readUint16(),this.flags=e.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=e.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var t=e.readUint8();this.URL=e.readString(t),this.size-=t+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=e.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(e)},r.ES_Descriptor.prototype.getOTI=function(e){var t=this.findDescriptor(4);return t?t.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(e){var t=this.findDescriptor(4);if(!t)return null;var r=t.findDescriptor(5);if(r&&r.data){var i=(248&r.data[0])>>3;return 31===i&&r.data.length>=2&&(i=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),i}return null},r.DecoderConfigDescriptor=function(e){r.Descriptor.call(this,4,e)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8(),this.streamType=e.readUint8(),this.upStream=0!=(this.streamType>>1&1),this.streamType=this.streamType>>>2,this.bufferSize=e.readUint24(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32(),this.size-=13,this.parseRemainingDescriptors(e)},r.DecoderSpecificInfo=function(e){r.Descriptor.call(this,5,e)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(e){r.Descriptor.call(this,6,e)},r.SLConfigDescriptor.prototype=new r.Descriptor,this};t.MPEG4DescriptorParser=c;var f={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){f.FullBox.prototype=new f.Box,f.ContainerBox.prototype=new f.Box,f.SampleEntry.prototype=new f.Box,f.TrackGroupTypeBox.prototype=new f.FullBox,f.BASIC_BOXES.forEach((function(e){f.createBoxCtor(e)})),f.FULL_BOXES.forEach((function(e){f.createFullBoxCtor(e)})),f.CONTAINER_BOXES.forEach((function(e){f.createContainerBoxCtor(e[0],null,e[1])}))},Box:function(e,t,r){this.type=e,this.size=t,this.uuid=r},FullBox:function(e,t,r){f.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){f.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){f.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){f.FullBox.call(this,e,t)},createBoxCtor:function(e,t){f.boxCodes.push(e),f[e+"Box"]=function(t){f.Box.call(this,e,t)},f[e+"Box"].prototype=new f.Box,t&&(f[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){f[e+"Box"]=function(t){f.FullBox.call(this,e,t)},f[e+"Box"].prototype=new f.FullBox,f[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,r=0;r<t;r++)this[e[r]+"s"]=[]}},createContainerBoxCtor:function(e,t,r){f[e+"Box"]=function(t){f.ContainerBox.call(this,e,t),f.addSubBoxArrays.call(this,r)},f[e+"Box"].prototype=new f.ContainerBox,t&&(f[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,r){f.sampleEntryCodes[e]=[],f[e+"SampleEntry"]=function(e,t){f.SampleEntry.call(this,e,t),f.addSubBoxArrays.call(this,r)},f[e+"SampleEntry"].prototype=new f.SampleEntry,t&&(f[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,r,i){f.sampleEntryCodes[e].push(t),f[t+"SampleEntry"]=function(r){f[e+"SampleEntry"].call(this,t,r),f.addSubBoxArrays.call(this,i)},f[t+"SampleEntry"].prototype=new f[e+"SampleEntry"],r&&(f[t+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(e,t,r){f.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(e,t){f[e+"SampleGroupEntry"]=function(t){f.SampleGroupEntry.call(this,e,t)},f[e+"SampleGroupEntry"].prototype=new f.SampleGroupEntry,t&&(f[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){f[e+"TrackGroupTypeBox"]=function(t){f.TrackGroupTypeBox.call(this,e,t)},f[e+"TrackGroupTypeBox"].prototype=new f.TrackGroupTypeBox,t&&(f[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,r,i){f.UUIDs.push(e),f.UUIDBoxes[e]=function(i){t?f.FullBox.call(this,"uuid",i,e):r?f.ContainerBox.call(this,"uuid",i,e):f.Box.call(this,"uuid",i,e)},f.UUIDBoxes[e].prototype=t?new f.FullBox:r?new f.ContainerBox:new f.Box,i&&(f.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),i&&i.call(this,e)}:i)}};function h(e,t){this.x=e,this.y=t}function p(e,t){this.bad_pixel_row=e,this.bad_pixel_column=t}f.initialize(),f.TKHD_FLAG_ENABLED=1,f.TKHD_FLAG_IN_MOVIE=2,f.TKHD_FLAG_IN_PREVIEW=4,f.TFHD_FLAG_BASE_DATA_OFFSET=1,f.TFHD_FLAG_SAMPLE_DESC=2,f.TFHD_FLAG_SAMPLE_DUR=8,f.TFHD_FLAG_SAMPLE_SIZE=16,f.TFHD_FLAG_SAMPLE_FLAGS=32,f.TFHD_FLAG_DUR_EMPTY=65536,f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,f.TRUN_FLAGS_DATA_OFFSET=1,f.TRUN_FLAGS_FIRST_FLAG=4,f.TRUN_FLAGS_DURATION=256,f.TRUN_FLAGS_SIZE=512,f.TRUN_FLAGS_FLAGS=1024,f.TRUN_FLAGS_CTS_OFFSET=2048,f.Box.prototype.add=function(e){return this.addBox(new f[e+"Box"])},f.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},f.Box.prototype.set=function(e,t){return this[e]=t,this},f.Box.prototype.addEntry=function(e,t){var r=t||"entries";return this[r]||(this[r]=[]),this[r].push(e),this},t.BoxParser=f,f.parseUUID=function(e){return f.parseHex16(e)},f.parseHex16=function(e){for(var t="",r=0;r<16;r++){var i=e.readUint8().toString(16);t+=1===i.length?"0"+i:i}return t},f.parseOneBox=function(e,t,r){var i,n,s,o=e.getPosition(),d=0;if(e.getEndPosition()-o<8)return a.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:f.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return a.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:f.ERR_NOT_ENOUGH_DATA};var l=e.readUint32(),u=e.readString(4),c=u;if(a.debug("BoxParser","Found box of type '"+u+"' and size "+l+" at position "+o),d=8,"uuid"==u){if(e.getEndPosition()-e.getPosition()<16||r-d<16)return e.seek(o),a.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:f.ERR_NOT_ENOUGH_DATA};d+=16,c=s=f.parseUUID(e)}if(1==l){if(e.getEndPosition()-e.getPosition()<8||r&&r-d<8)return e.seek(o),a.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:f.ERR_NOT_ENOUGH_DATA};l=e.readUint64(),d+=8}else if(0===l)if(r)l=r;else if("mdat"!==u)return a.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),i=new f.Box(u,l),{code:f.OK,box:i,size:i.size};return 0!==l&&l<d?(a.error("BoxParser","Box of type "+u+" has an invalid size "+l+" (too small to be a box)"),{code:f.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&r&&l>r?(a.error("BoxParser","Box of type '"+u+"' has a size "+l+" greater than its container size "+r),{code:f.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&o+l>e.getEndPosition()?(e.seek(o),a.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:f.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):t?{code:f.OK,type:u,size:l,hdr_size:d,start:o}:(f[u+"Box"]?i=new f[u+"Box"](l):"uuid"!==u?(a.warn("BoxParser","Unknown box type: '"+u+"'"),(i=new f.Box(u,l)).has_unparsed_data=!0):f.UUIDBoxes[s]?i=new f.UUIDBoxes[s](l):(a.warn("BoxParser","Unknown uuid type: '"+s+"'"),(i=new f.Box(u,l)).uuid=s,i.has_unparsed_data=!0),i.hdr_size=d,i.start=o,i.write===f.Box.prototype.write&&"mdat"!==i.type&&(a.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),(n=e.getPosition()-(i.start+i.size))<0?(a.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-n+" bytes), seeking forward"),e.seek(i.start+i.size)):n>0&&(a.error("BoxParser","Parsing of box '"+c+"' read "+n+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:f.OK,box:i,size:i.size})},f.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},f.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},f.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},f.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},f.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},f.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;if(r=t.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var i="uuid"!==r.type?r.type:r.uuid;this[i]?a.warn("Box of type "+i+" already stored in field of this type"):this[i]=r}}},f.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},f.SAMPLE_ENTRY_TYPE_VISUAL="Visual",f.SAMPLE_ENTRY_TYPE_AUDIO="Audio",f.SAMPLE_ENTRY_TYPE_HINT="Hint",f.SAMPLE_ENTRY_TYPE_METADATA="Metadata",f.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",f.SAMPLE_ENTRY_TYPE_SYSTEM="System",f.SAMPLE_ENTRY_TYPE_TEXT="Text",f.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},f.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},f.SampleEntry.prototype.parseDataAndRewind=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,e.position-=this.size-this.hdr_size},f.SampleEntry.prototype.parseFooter=function(e){f.ContainerBox.prototype.parse.call(this,e)},f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_HINT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,(function(e){var t;this.parseHeader(e),e.readUint16(),e.readUint16(),e.readUint32Array(3),this.width=e.readUint16(),this.height=e.readUint16(),this.horizresolution=e.readUint32(),this.vertresolution=e.readUint32(),e.readUint32(),this.frame_count=e.readUint16(),t=Math.min(31,e.readUint8()),this.compressorname=e.readString(t),t<31&&e.readString(31-t),this.depth=e.readUint16(),e.readUint16(),this.parseFooter(e)})),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,(function(e){this.parseHeader(e),e.readUint32Array(2),this.channel_count=e.readUint16(),this.samplesize=e.readUint16(),e.readUint16(),e.readUint16(),this.samplerate=e.readUint32()/65536,this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT,"enct"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"encm"),f.createBoxCtor("a1lx",(function(e){var t=16*(1+(1&(1&e.readUint8())));this.layer_size=[];for(var r=0;r<3;r++)this.layer_size[r]=16==t?e.readUint16():e.readUint32()})),f.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),f.createFullBoxCtor("auxC",(function(e){this.aux_type=e.readCString();var t=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=e.readUint8Array(t)})),f.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)a.error("av1C marker problem");else if(this.version=127&t,1===this.version)if(t=e.readUint8(),this.seq_profile=t>>5&7,this.seq_level_idx_0=31&t,t=e.readUint8(),this.seq_tier_0=t>>7&1,this.high_bitdepth=t>>6&1,this.twelve_bit=t>>5&1,this.monochrome=t>>4&1,this.chroma_subsampling_x=t>>3&1,this.chroma_subsampling_y=t>>2&1,this.chroma_sample_position=3&t,t=e.readUint8(),this.reserved_1=t>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=t>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&t;else if(this.reserved_2=15&t,0!==this.reserved_2)return void a.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else a.error("av1C reserved_1 parsing problem");else a.error("av1C version "+this.version+" not supported")})),f.createBoxCtor("avcC",(function(e){var t,r;for(this.configurationVersion=e.readUint8(),this.AVCProfileIndication=e.readUint8(),this.profile_compatibility=e.readUint8(),this.AVCLevelIndication=e.readUint8(),this.lengthSizeMinusOne=3&e.readUint8(),this.nb_SPS_nalus=31&e.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],t=0;t<this.nb_SPS_nalus;t++)this.SPS[t]={},this.SPS[t].length=e.readUint16(),this.SPS[t].nalu=e.readUint8Array(this.SPS[t].length),r-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),r--,this.PPS=[],t=0;t<this.nb_PPS_nalus;t++)this.PPS[t]={},this.PPS[t].length=e.readUint16(),this.PPS[t].nalu=e.readUint8Array(this.PPS[t].length),r-=2+this.PPS[t].length;r>0&&(this.ext=e.readUint8Array(r))})),f.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),f.createFullBoxCtor("ccst",(function(e){var t=e.readUint8();this.all_ref_pics_intra=128==(128&t),this.intra_pred_used=64==(64&t),this.max_ref_per_pic=(63&t)>>2,e.readUint24()})),f.createBoxCtor("cdef",(function(e){var t;for(this.channel_count=e.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],t=0;t<this.channel_count;t++)this.channel_indexes.push(e.readUint16()),this.channel_types.push(e.readUint16()),this.channel_associations.push(e.readUint16())})),f.createBoxCtor("clap",(function(e){this.cleanApertureWidthN=e.readUint32(),this.cleanApertureWidthD=e.readUint32(),this.cleanApertureHeightN=e.readUint32(),this.cleanApertureHeightD=e.readUint32(),this.horizOffN=e.readUint32(),this.horizOffD=e.readUint32(),this.vertOffN=e.readUint32(),this.vertOffD=e.readUint32()})),f.createBoxCtor("clli",(function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()})),f.createFullBoxCtor("cmex",(function(e){1&this.flags&&(this.pos_x=e.readInt32()),2&this.flags&&(this.pos_y=e.readInt32()),4&this.flags&&(this.pos_z=e.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=e.readInt32(),this.quat_y=e.readInt32(),this.quat_z=e.readInt32()):(this.quat_x=e.readInt16(),this.quat_y=e.readInt16(),this.quat_z=e.readInt16()):this.version),32&this.flags&&(this.id=e.readUint32())})),f.createFullBoxCtor("cmin",(function(e){this.focal_length_x=e.readInt32(),this.principal_point_x=e.readInt32(),this.principal_point_y=e.readInt32(),1&this.flags&&(this.focal_length_y=e.readInt32(),this.skew_factor=e.readInt32())})),f.createBoxCtor("cmpd",(function(e){for(this.component_count=e.readUint32(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var t=e.readUint16();this.component_types.push(t),t>=32768&&this.component_type_urls.push(e.readCString())}})),f.createFullBoxCtor("co64",(function(e){var t,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<t;r++)this.chunk_offsets.push(e.readUint64())})),f.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),f.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),f.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),f.createFullBoxCtor("cslg",(function(e){0===this.version&&(this.compositionToDTSShift=e.readInt32(),this.leastDecodeToDisplayDelta=e.readInt32(),this.greatestDecodeToDisplayDelta=e.readInt32(),this.compositionStartTime=e.readInt32(),this.compositionEndTime=e.readInt32())})),f.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&a.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),f.createBoxCtor("dac3",(function(e){var t=e.readUint8(),r=e.readUint8(),i=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|i>>5&7})),f.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var i={};this.ind_subs.push(i);var n=e.readUint8(),s=e.readUint8(),a=e.readUint8();i.fscod=n>>6,i.bsid=n>>1&31,i.bsmod=(1&n)<<4|s>>4&15,i.acmod=s>>1&7,i.lfeon=1&s,i.num_dep_sub=a>>1&15,i.num_dep_sub>0&&(i.chan_loc=(1&a)<<8|e.readUint8())}})),f.createFullBoxCtor("dfLa",(function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),n=Math.min(127&i,r.length-1);if(n?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(r[n]),128&i)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"})),f.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),f.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),f.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),f.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),f.createFullBoxCtor("dref",(function(e){var t,r;this.entries=[];for(var i=e.readUint32(),n=0;n<i;n++){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;r=t.box,this.entries.push(r)}})),f.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),f.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),1===this.version?(i.segment_duration=e.readUint64(),i.media_time=e.readInt64()):(i.segment_duration=e.readUint32(),i.media_time=e.readInt32()),i.media_rate_integer=e.readInt16(),i.media_rate_fraction=e.readInt16()}})),f.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),f.createEntityToGroupCtor=function(e,t){f[e+"Box"]=function(t){f.FullBox.call(this,e,t)},f[e+"Box"].prototype=new f.FullBox,f[e+"Box"].prototype.parse=function(e){if(this.parseFullHeader(e),t)t.call(this,e);else for(this.group_id=e.readUint32(),this.num_entities_in_group=e.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=e.readUint32();this.entity_ids.push(r)}}},f.createEntityToGroupCtor("aebr"),f.createEntityToGroupCtor("afbr"),f.createEntityToGroupCtor("albc"),f.createEntityToGroupCtor("altr"),f.createEntityToGroupCtor("brst"),f.createEntityToGroupCtor("dobr"),f.createEntityToGroupCtor("eqiv"),f.createEntityToGroupCtor("favc"),f.createEntityToGroupCtor("fobr"),f.createEntityToGroupCtor("iaug"),f.createEntityToGroupCtor("pano"),f.createEntityToGroupCtor("slid"),f.createEntityToGroupCtor("ster"),f.createEntityToGroupCtor("tsyn"),f.createEntityToGroupCtor("wbbr"),f.createEntityToGroupCtor("prgr"),f.createFullBoxCtor("esds",(function(e){var t=e.readUint8Array(this.size-this.hdr_size);if(void 0!==c){var r=new c;this.esd=r.parseOneDescriptor(new d(t.buffer,0,d.BIG_ENDIAN))}})),f.createBoxCtor("fiel",(function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()})),f.createBoxCtor("frma",(function(e){this.data_format=e.readString(4)})),f.createBoxCtor("ftyp",(function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var r=0;t>=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),f.createFullBoxCtor("hdlr",(function(e){0===this.version&&(e.readUint32(),this.handler=e.readString(4),e.readUint32Array(3),this.name=e.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),f.createBoxCtor("hvcC",(function(e){var t,r,i,n;this.configurationVersion=e.readUint8(),n=e.readUint8(),this.general_profile_space=n>>6,this.general_tier_flag=(32&n)>>5,this.general_profile_idc=31&n,this.general_profile_compatibility=e.readUint32(),this.general_constraint_indicator=e.readUint8Array(6),this.general_level_idc=e.readUint8(),this.min_spatial_segmentation_idc=4095&e.readUint16(),this.parallelismType=3&e.readUint8(),this.chroma_format_idc=3&e.readUint8(),this.bit_depth_luma_minus8=7&e.readUint8(),this.bit_depth_chroma_minus8=7&e.readUint8(),this.avgFrameRate=e.readUint16(),n=e.readUint8(),this.constantFrameRate=n>>6,this.numTemporalLayers=(13&n)>>3,this.temporalIdNested=(4&n)>>2,this.lengthSizeMinusOne=3&n,this.nalu_arrays=[];var s=e.readUint8();for(t=0;t<s;t++){var a=[];this.nalu_arrays.push(a),n=e.readUint8(),a.completeness=(128&n)>>7,a.nalu_type=63&n;var o=e.readUint16();for(r=0;r<o;r++){var d={};a.push(d),i=e.readUint16(),d.data=e.readUint8Array(i)}}})),f.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;"infe"!==t.box.type&&a.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}})),f.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var r=0;if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var n={};if(this.items.push(n),this.version<2)n.item_ID=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";n.item_ID=e.readUint32()}switch(1===this.version||2===this.version?n.construction_method=15&e.readUint16():n.construction_method=0,n.data_reference_index=e.readUint16(),this.base_offset_size){case 0:n.base_offset=0;break;case 4:n.base_offset=e.readUint32();break;case 8:n.base_offset=e.readUint64();break;default:throw"Error reading base offset size"}var s=e.readUint16();n.extents=[];for(var a=0;a<s;a++){var o={};if(n.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=e.readUint32();break;case 8:o.extent_index=e.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=e.readUint32();break;case 8:o.extent_offset=e.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=e.readUint32();break;case 8:o.extent_length=e.readUint64();break;default:throw"Error reading extent index"}}}})),f.createBoxCtor("imir",(function(e){var t=e.readUint8();this.reserved=t>>7,this.axis=1&t})),f.createFullBoxCtor("infe",(function(e){if(0!==this.version&&1!==this.version||(this.item_ID=e.readUint16(),this.item_protection_index=e.readUint16(),this.item_name=e.readCString(),this.content_type=e.readCString(),this.content_encoding=e.readCString()),1===this.version)return this.extension_type=e.readString(4),a.warn("BoxParser","Cannot parse extension type"),void e.seek(this.start+this.size);this.version>=2&&(2===this.version?this.item_ID=e.readUint16():3===this.version&&(this.item_ID=e.readUint32()),this.item_protection_index=e.readUint16(),this.item_type=e.readString(4),this.item_name=e.readCString(),"mime"===this.item_type?(this.content_type=e.readCString(),this.content_encoding=e.readCString()):"uri "===this.item_type&&(this.item_uri_type=e.readCString()))})),f.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={};this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32();var n=e.readUint8();for(i.props=[],r=0;r<n;r++){var s=e.readUint8(),a={};i.props.push(a),a.essential=(128&s)>>7==1,1&this.flags?a.property_index=(127&s)<<8|e.readUint8():a.property_index=127&s}}})),f.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;(r=0===this.version?new f.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new f.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(a.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.references.push(r)}})),f.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),f.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),f.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),f.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={};this.levels[r]=i,i.track_ID=e.readUint32();var n=e.readUint8();switch(i.padding_flag=n>>7,i.assignment_type=127&n,i.assignment_type){case 0:i.grouping_type=e.readString(4);break;case 1:i.grouping_type=e.readString(4),i.grouping_type_parameter=e.readUint32();break;case 2:case 3:break;case 4:i.sub_track_id=e.readUint32();break;default:a.warn("BoxParser","Unknown leva assignement type")}}})),f.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),f.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),h.prototype.toString=function(){return"("+this.x+","+this.y+")"},f.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]=new h(e.readUint16(),e.readUint16()),this.display_primaries[1]=new h(e.readUint16(),e.readUint16()),this.display_primaries[2]=new h(e.readUint16(),e.readUint16()),this.white_point=new h(e.readUint16(),e.readUint16()),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),f.createFullBoxCtor("mdhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()})),f.createFullBoxCtor("mehd",(function(e){1&this.flags&&(a.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=e.readUint64():this.fragment_duration=e.readUint32()})),f.createFullBoxCtor("meta",(function(e){this.boxes=[],f.ContainerBox.prototype.parse.call(this,e)})),f.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),f.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),f.createFullBoxCtor("mskC",(function(e){this.bits_per_pixel=e.readUint8()})),f.createFullBoxCtor("mvhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()})),f.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),f.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),f.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var r=0;r<Math.floor((t+1)/2);r++)this.padbits=e.readUint8()})),f.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),f.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),f.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),f.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<t;r++)this.rate[r]=e.readUint32(),this.initial_delay[r]=e.readUint32()})),f.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),f.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),f.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),f.createFullBoxCtor("prdi",(function(e){if(this.step_count=e.readUint16(),this.item_count=[],2&this.flags)for(var t=0;t<this.step_count;t++)this.item_count[t]=e.readUint16()})),f.createFullBoxCtor("prft",(function(e){this.ref_track_id=e.readUint32(),this.ntp_timestamp=e.readUint64(),0===this.version?this.media_time=e.readUint32():this.media_time=e.readUint64()})),f.createFullBoxCtor("pssh",(function(e){if(this.system_id=f.parseHex16(e),this.version>0){var t=e.readUint32();this.kid=[];for(var r=0;r<t;r++)this.kid[r]=f.parseHex16(e)}var i=e.readUint32();i>0&&(this.data=e.readUint8Array(i))})),f.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),f.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),f.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var r=0;r<t;r++)0===this.version?this.offset[r]=e.readUint32():this.offset[r]=e.readUint64()})),f.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<t;r++)this.sample_info_size[r]=e.readUint8()})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),f.createSampleGroupCtor("alst",(function(e){var t,r=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<r;t++)this.sample_offset[t]=e.readUint32();var i=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<i/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),f.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),f.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var n={};this.dependency.push(n),n.subSeqDirectionFlag=e.readUint8(),n.layerNumber=e.readUint8(),n.subSequenceIdentifier=e.readUint16()}})),f.createSampleGroupCtor("dtrt",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("mvif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("prol",(function(e){this.roll_distance=e.readInt16()})),f.createSampleGroupCtor("rap ",(function(e){var t=e.readUint8();this.num_leading_samples_known=t>>7,this.num_leading_samples=127&t})),f.createSampleGroupCtor("rash",(function(e){if(this.operation_point_count=e.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)a.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=e.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=e.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var t=0;t<this.operation_point_count;t++)this.available_bitrate[t]=e.readUint32(),this.target_rate_share[t]=e.readUint16()}this.maximum_bitrate=e.readUint32(),this.minimum_bitrate=e.readUint32(),this.discard_priority=e.readUint8()}})),f.createSampleGroupCtor("roll",(function(e){this.roll_distance=e.readInt16()})),f.SampleGroupEntry.prototype.parse=function(e){a.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},f.createSampleGroupCtor("scif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("scnm",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("seig",(function(e){this.reserved=e.readUint8();var t=e.readUint8();this.crypt_byte_block=t>>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=f.parseHex16(e),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=e.readUint8(),this.constant_IV=e.readUint8Array(this.constant_IV_size))})),f.createSampleGroupCtor("stsa",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),f.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),f.createSampleGroupCtor("tsas",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("tscl",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("vipr",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),i.sample_count=e.readInt32(),i.group_description_index=e.readInt32()}})),p.prototype.toString=function(){return"[row: "+this.bad_pixel_row+", column: "+this.bad_pixel_column+"]"},f.createFullBoxCtor("sbpm",(function(e){var t;for(this.component_count=e.readUint16(),this.component_index=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16());var r=e.readUint8();for(this.correction_applied=128==(128&r),this.num_bad_rows=e.readUint32(),this.num_bad_cols=e.readUint32(),this.num_bad_pixels=e.readUint32(),this.bad_rows=[],this.bad_columns=[],this.bad_pixels=[],t=0;t<this.num_bad_rows;t++)this.bad_rows.push(e.readUint32());for(t=0;t<this.num_bad_cols;t++)this.bad_columns.push(e.readUint32());for(t=0;t<this.num_bad_pixels;t++){var i=e.readUint32(),n=e.readUint32();this.bad_pixels.push(new p(i,n))}})),f.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),f.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("sdtp",(function(e){var t,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var i=0;i<r;i++)t=e.readUint8(),this.is_leading[i]=t>>6,this.sample_depends_on[i]=t>>4&3,this.sample_is_depended_on[i]=t>>2&3,this.sample_has_redundancy[i]=3&t})),f.createFullBoxCtor("senc"),f.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),a.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i;i=f[this.grouping_type+"SampleGroupEntry"]?new f[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new f.SampleGroupEntry(this.grouping_type),this.entries.push(i),1===this.version&&0===this.default_length?i.description_length=e.readUint32():i.description_length=this.default_length,i.write===f.SampleGroupEntry.prototype.write&&(a.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),i.data=e.readUint8Array(i.description_length),e.position-=i.description_length),i.parse(e)}})),f.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),r=0;r<t;r++){var i={};this.references.push(i);var n=e.readUint32();i.reference_type=n>>31&1,i.referenced_size=2147483647&n,i.subsegment_duration=e.readUint32(),n=e.readUint32(),i.starts_with_SAP=n>>31&1,i.SAP_type=n>>28&7,i.SAP_delta_time=268435455&n}})),f.SingleItemTypeReferenceBox=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.SingleItemTypeReferenceBox.prototype=new f.Box,f.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint16()},f.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.SingleItemTypeReferenceBoxLarge.prototype=new f.Box,f.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint32()},f.createFullBoxCtor("SmDm",(function(e){this.primaryRChromaticity_x=e.readUint16(),this.primaryRChromaticity_y=e.readUint16(),this.primaryGChromaticity_x=e.readUint16(),this.primaryGChromaticity_y=e.readUint16(),this.primaryBChromaticity_x=e.readUint16(),this.primaryBChromaticity_y=e.readUint16(),this.whitePointChromaticity_x=e.readUint16(),this.whitePointChromaticity_y=e.readUint16(),this.luminanceMax=e.readUint32(),this.luminanceMin=e.readUint32()})),f.createFullBoxCtor("smhd",(function(e){this.balance=e.readUint16(),e.readUint16()})),f.createFullBoxCtor("ssix",(function(e){this.subsegments=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var n=e.readUint32(),s=0;s<n;s++){var a={};i.ranges.push(a),a.level=e.readUint8(),a.range_size=e.readUint24()}}})),f.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())})),f.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<t;r++)this.priority[r]=e.readUint16()})),f.createFullBoxCtor("sthd"),f.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),f.createFullBoxCtor("stsc",(function(e){var t,r;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<t;r++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),f.createFullBoxCtor("stsd",(function(e){var t,r,i,n;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;f[r.type+"SampleEntry"]?((n=new f[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,n.start=r.start):(a.warn("BoxParser","Unknown sample entry type: "+r.type),n=new f.SampleEntry(r.type,r.size,r.hdr_size,r.start)),n.write===f.SampleEntry.prototype.write&&(a.info("BoxParser","SampleEntry "+n.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),n.parseDataAndRewind(e)),n.parse(e),this.entries.push(n)}})),f.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var r=0;r<t;r++)this.group_description_index[r]=e.readUint32()})),f.createFullBoxCtor("stsh",(function(e){var t,r;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<t;r++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),f.createFullBoxCtor("stss",(function(e){var t,r;if(r=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())})),f.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),f.createFullBoxCtor("stts",(function(e){var t,r,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),(i=e.readInt32())<0&&(a.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),i=1),this.sample_deltas.push(i)})),f.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,i,n=e.readUint32();for(this.stereo_indication_type=e.readString(n),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;i=r.box,this.boxes.push(i),this[i.type]=i}})),f.createBoxCtor("styp",(function(e){f.ftypBox.prototype.parse.call(this,e)})),f.createFullBoxCtor("stz2",(function(e){var t,r;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),r=e.readUint32(),4===this.field_size)for(t=0;t<r;t+=2){var i=e.readUint8();this.sample_sizes[t]=i>>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint16();else a.error("BoxParser","Error in length field in stz2 box")})),f.createFullBoxCtor("subs",(function(e){var t,r,i,n;for(i=e.readUint32(),this.entries=[],t=0;t<i;t++){var s={};if(this.entries[t]=s,s.sample_delta=e.readUint32(),s.subsamples=[],(n=e.readUint16())>0)for(r=0;r<n;r++){var a={};s.subsamples.push(a),1==this.version?a.size=e.readUint32():a.size=e.readUint16(),a.priority=e.readUint8(),a.discardable=e.readUint8(),a.codec_specific_parameters=e.readUint32()}}})),f.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=f.parseHex16(e),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=e.readUint8(),this.default_constant_IV=e.readUint8Array(this.default_constant_IV_size))})),f.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),f.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),f.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),f.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),f.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),f.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),f.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),f.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),f.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),f.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},f.createTrackGroupCtor("msrc"),f.TrackReferenceTypeBox=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.TrackReferenceTypeBox.prototype=new f.Box,f.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},f.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;(r=new f.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(a.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.boxes.push(r)}},f.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==f.OK)return;box=ret.box,this.boxes.push(box)}})),f.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),f.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),f.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&f.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&f.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>t)for(var r=0;r<this.sample_count;r++)this.flags&f.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())})),f.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),f.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),f.createBoxCtor("tyco",(function(e){var t=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<t;r++)this.compatible_brands[r]=e.readString(4)})),f.createFullBoxCtor("udes",(function(e){this.lang=e.readCString(),this.name=e.readCString(),this.description=e.readCString(),this.tags=e.readCString()})),f.createFullBoxCtor("uncC",(function(e){var t;if(this.profile=e.readUint32(),1==this.version);else if(0==this.version){for(this.component_count=e.readUint32(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16()),this.component_bit_depth_minus_one.push(e.readUint8()),this.component_format.push(e.readUint8()),this.component_align_size.push(e.readUint8());this.sampling_type=e.readUint8(),this.interleave_type=e.readUint8(),this.block_size=e.readUint8();var r=e.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=e.readUint32(),this.row_align_size=e.readUint32(),this.tile_align_size=e.readUint32(),this.num_tile_cols_minus_one=e.readUint32(),this.num_tile_rows_minus_one=e.readUint32()}})),f.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),f.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),f.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")})),f.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=f.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),f.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),f.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=f.parseHex16(e)})),f.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,n=0;1===this.version?(i=e.readUint64(),n=e.readUint64()):(i=e.readUint32(),n=e.readUint32()),r.absolute_time=i,r.absolute_duration=n,this.entries.push(r)}})),f.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),f.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),f.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),f.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("vvcC",(function(e){var t,r,i={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(i.stream_read_1_bytes(e),i.extract_bits(5),this.lengthSizeMinusOne=i.extract_bits(2),this.ptl_present_flag=i.extract_bits(1),this.ptl_present_flag){if(i.stream_read_2_bytes(e),this.ols_idx=i.extract_bits(9),this.num_sublayers=i.extract_bits(3),this.constant_frame_rate=i.extract_bits(2),this.chroma_format_idc=i.extract_bits(2),i.stream_read_1_bytes(e),this.bit_depth_minus8=i.extract_bits(3),i.extract_bits(5),i.stream_read_2_bytes(e),i.extract_bits(2),this.num_bytes_constraint_info=i.extract_bits(6),this.general_profile_idc=i.extract_bits(7),this.general_tier_flag=i.extract_bits(1),this.general_level_idc=e.readUint8(),i.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=i.extract_bits(1),this.ptl_multilayer_enabled_flag=i.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(t=0;t<this.num_bytes_constraint_info-1;t++){var n=i.extract_bits(6);i.stream_read_1_bytes(e);var s=i.extract_bits(2);this.general_constraint_info[t]=n<<2|s}this.general_constraint_info[this.num_bytes_constraint_info-1]=i.extract_bits(6)}else i.extract_bits(6);if(this.num_sublayers>1){for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var a=i.extract_bits(1);this.ptl_sublayer_present_mask|=a<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)i.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=e.readUint8())}if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var o=e.readUint8();for(t=0;t<o;t++){var d=[];this.nalu_arrays.push(d),i.stream_read_1_bytes(e),d.completeness=i.extract_bits(1),i.extract_bits(2),d.nalu_type=i.extract_bits(5);var l=1;for(13!=d.nalu_type&&12!=d.nalu_type&&(l=e.readUint16()),r=0;r<l;r++){var u=e.readUint16();d.push({data:e.readUint8Array(u),length:u})}}})),f.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),f.SampleEntry.prototype.isVideo=function(){return!1},f.SampleEntry.prototype.isAudio=function(){return!1},f.SampleEntry.prototype.isSubtitle=function(){return!1},f.SampleEntry.prototype.isMetadata=function(){return!1},f.SampleEntry.prototype.isHint=function(){return!1},f.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},f.SampleEntry.prototype.getWidth=function(){return""},f.SampleEntry.prototype.getHeight=function(){return""},f.SampleEntry.prototype.getChannelCount=function(){return""},f.SampleEntry.prototype.getSampleRate=function(){return""},f.SampleEntry.prototype.getSampleSize=function(){return""},f.VisualSampleEntry.prototype.isVideo=function(){return!0},f.VisualSampleEntry.prototype.getWidth=function(){return this.width},f.VisualSampleEntry.prototype.getHeight=function(){return this.height},f.AudioSampleEntry.prototype.isAudio=function(){return!0},f.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},f.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},f.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},f.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},f.MetadataSampleEntry.prototype.isMetadata=function(){return!0},f.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?t=2:t;r.length<t;)r="0"+r;return r},f.avc1SampleEntry.prototype.getCodec=f.avc2SampleEntry.prototype.getCodec=f.avc3SampleEntry.prototype.getCodec=f.avc4SampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+f.decimalToHex(this.avcC.AVCProfileIndication)+f.decimalToHex(this.avcC.profile_compatibility)+f.decimalToHex(this.avcC.AVCLevelIndication):e},f.hev1SampleEntry.prototype.getCodec=f.hvc1SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var r=this.hvcC.general_profile_compatibility,i=0;for(e=0;e<32&&(i|=1&r,31!=e);e++)i<<=1,r>>=1;t+=f.decimalToHex(i,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var n=!1,s="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||n)&&(s="."+f.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+s,n=!0);t+=s}return t},f.vvc1SampleEntry.prototype.getCodec=f.vvi1SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){t+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?t+=".H":t+=".L",t+=this.vvcC.general_level_idc;var r="";if(this.vvcC.general_constraint_info){var i,n=[],s=0;for(s|=this.vvcC.ptl_frame_only_constraint<<7,s|=this.vvcC.ptl_multilayer_enabled<<6,e=0;e<this.vvcC.general_constraint_info.length;++e)s|=this.vvcC.general_constraint_info[e]>>2&63,n.push(s),s&&(i=e),s=this.vvcC.general_constraint_info[e]>>2&3;if(void 0===i)r=".CA";else{r=".C";var a="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=0,d=0;for(e=0;e<=i;++e)for(o=o<<8|n[e],d+=8;d>=5;){r+=a[o>>d-5&31],o&=(1<<(d-=5))-1}d&&(r+=a[31&(o<<=5-d)])}}t+=r}return t},f.mp4aSampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+f.decimalToHex(t)+(r?"."+r:"")}return e},f.stxtSampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},f.vp08SampleEntry.prototype.getCodec=f.vp09SampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level;0==t&&(t="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),e+".0"+this.vpcC.profile+"."+t+"."+r},f.av01SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?e=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(e=1===this.av1C.high_bitdepth?"10":"08"),t+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+e},f.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),a.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>l?e.writeUint32(1):(this.sizePosition=e.getPosition(),e.writeUint32(this.size)),e.writeString(this.type,null,4),"uuid"===this.type&&e.writeUint8Array(this.uuid),this.size>l&&e.writeUint64(this.size)},f.FullBox.prototype.writeHeader=function(e){this.size+=4,f.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},f.Box.prototype.write=function(e){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(e),e.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(e),this.data&&e.writeUint8Array(this.data))},f.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&(this.boxes[t].write(e),this.size+=this.boxes[t].size);a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},f.avcCBox.prototype.write=function(e){var t;for(this.size=7,t=0;t<this.SPS.length;t++)this.size+=2+this.SPS[t].length;for(t=0;t<this.PPS.length;t++)this.size+=2+this.PPS[t].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.AVCProfileIndication),e.writeUint8(this.profile_compatibility),e.writeUint8(this.AVCLevelIndication),e.writeUint8(this.lengthSizeMinusOne+252),e.writeUint8(this.SPS.length+224),t=0;t<this.SPS.length;t++)e.writeUint16(this.SPS[t].length),e.writeUint8Array(this.SPS[t].nalu);for(e.writeUint8(this.PPS.length),t=0;t<this.PPS.length;t++)e.writeUint16(this.PPS[t].length),e.writeUint8Array(this.PPS[t].nalu);this.ext&&e.writeUint8Array(this.ext)},f.co64Box.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),t=0;t<this.chunk_offsets.length;t++)e.writeUint64(this.chunk_offsets[t])},f.cslgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeInt32(this.compositionToDTSShift),e.writeInt32(this.leastDecodeToDisplayDelta),e.writeInt32(this.greatestDecodeToDisplayDelta),e.writeInt32(this.compositionStartTime),e.writeInt32(this.compositionEndTime)},f.cttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),1===this.version?e.writeInt32(this.sample_offsets[t]):e.writeUint32(this.sample_offsets[t])},f.drefBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},f.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeUint32(r.segment_duration),e.writeInt32(r.media_time),e.writeInt16(r.media_rate_integer),e.writeInt16(r.media_rate_fraction)}},f.emsgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},f.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},f.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},f.hvcCBox.prototype.write=function(e){var t,r;for(this.size=23,t=0;t<this.nalu_arrays.length;t++)for(this.size+=3,r=0;r<this.nalu_arrays[t].length;r++)this.size+=2+this.nalu_arrays[t][r].data.length;for(this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),e.writeUint32(this.general_profile_compatibility),e.writeUint8Array(this.general_constraint_indicator),e.writeUint8(this.general_level_idc),e.writeUint16(this.min_spatial_segmentation_idc+(15<<24)),e.writeUint8(this.parallelismType+252),e.writeUint8(this.chroma_format_idc+252),e.writeUint8(this.bit_depth_luma_minus8+248),e.writeUint8(this.bit_depth_chroma_minus8+248),e.writeUint16(this.avgFrameRate),e.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),e.writeUint8(this.nalu_arrays.length),t=0;t<this.nalu_arrays.length;t++)for(e.writeUint8((this.nalu_arrays[t].completeness<<7)+this.nalu_arrays[t].nalu_type),e.writeUint16(this.nalu_arrays[t].length),r=0;r<this.nalu_arrays[t].length;r++)e.writeUint16(this.nalu_arrays[t][r].data.length),e.writeUint8Array(this.nalu_arrays[t][r].data)},f.kindBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(e),e.writeCString(this.schemeURI),e.writeCString(this.value)},f.mdhdBox.prototype.write=function(e){this.size=20,this.flags=0,this.version=0,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint16(this.language),e.writeUint16(0)},f.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},f.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},f.mvhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=96,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint32(this.rate),e.writeUint16(this.volume<<8),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32Array(this.matrix),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(this.next_track_id)},f.SampleEntry.prototype.writeHeader=function(e){this.size=8,f.Box.prototype.writeHeader.call(this,e),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint16(this.data_reference_index)},f.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e),this.size+=this.boxes[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},f.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},f.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},f.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},f.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeInt32(r.sample_count),e.writeInt32(r.group_description_index)}},f.sgpdBox.prototype.write=function(e){var t,r;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(e),e.writeString(this.grouping_type,null,4),1===this.version&&e.writeUint32(this.default_length),this.version>=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(r.description_length),r.write(e)},f.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var r=this.references[t];e.writeUint32(r.reference_type<<31|r.referenced_size),e.writeUint32(r.subsegment_duration),e.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},f.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},f.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},f.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},f.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},f.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},f.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(t=0;t+1<this.sample_sizes.length;){if(this.sample_sizes[t+1]!==this.sample_sizes[0]){r=!1;break}t++}else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),r?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),r||e.writeUint32Array(this.sample_sizes)},f.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},f.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},f.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},f.tkhdBox.prototype.write=function(e){this.version=0,this.size=80,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.track_id),e.writeUint32(0),e.writeUint32(this.duration),e.writeUint32(0),e.writeUint32(0),e.writeInt16(this.layer),e.writeInt16(this.alternate_group),e.writeInt16(this.volume<<8),e.writeUint16(0),e.writeInt32Array(this.matrix),e.writeUint32(this.width),e.writeUint32(this.height)},f.trexBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeUint32(this.track_id),e.writeUint32(this.default_sample_description_index),e.writeUint32(this.default_sample_duration),e.writeUint32(this.default_sample_size),e.writeUint32(this.default_sample_flags)},f.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&f.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&f.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&f.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&f.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&f.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&f.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},f["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},f["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},f.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},f.cttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].pts=e[i].dts+this.sample_offsets[t],i++},f.sttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].dts=0===i?0:e[i-1].dts+this.sample_deltas[t],i++},f.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},f.stscBox.prototype.unpack=function(e){var t,r,i,n,s;for(n=0,s=0,t=0;t<this.first_chunk.length;t++)for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:1/0);r++)for(s++,i=0;i<this.samples_per_chunk[t];i++){if(!e[n])return;e[n].description_index=this.sample_description_index[t],e[n].chunk_index=s,n++}},f.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},f.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],f.boxEqualFields=function(e,t){if(e&&!t)return!1;var r;for(r in e)if(!(f.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1||e[r]instanceof f.Box||t[r]instanceof f.Box||void 0===e[r]||void 0===t[r]||"function"==typeof e[r]||"function"==typeof t[r]||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},f.boxEqual=function(e,t){if(!f.boxEqualFields(e,t))return!1;for(var r=0;r<f.DIFF_BOXES_PROP_NAMES.length;r++){var i=f.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!f.boxEqual(e[i],t[i]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(e){var t,r={};r.resources=[];var i=new o(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)r.resources[t]=i.readUint8Array(e.subsamples[t].size)}else r.documentString=i.readString(e.data.length);return"undefined"!=typeof DOMParser&&(r.document=(new DOMParser).parseFromString(r.documentString,"application/xml")),r};var _=function(){};_.prototype.parseSample=function(e){return new o(e.data.buffer).readString(e.data.length)},_.prototype.parseConfig=function(e){var t=new o(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=m,t.Textin4Parser=_;var g=function(e){this.stream=e||new u,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};g.prototype.setSegmentOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var n={};this.fragmentedTracks.push(n),n.id=e,n.user=t,n.trak=i,i.nextSample=0,n.segmentStream=null,n.nb_samples=1e3,n.rapAlignement=!0,r&&(r.nbSamples&&(n.nb_samples=r.nbSamples),r.rapAlignement&&(n.rapAlignement=r.rapAlignement))}},g.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++){this.fragmentedTracks[r].id==e&&(t=r)}t>-1&&this.fragmentedTracks.splice(t,1)},g.prototype.setExtractionOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var n={};this.extractedTracks.push(n),n.id=e,n.user=t,n.trak=i,i.nextSample=0,n.nb_samples=1e3,n.samples=[],r&&r.nbSamples&&(n.nb_samples=r.nbSamples)}},g.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++){this.extractedTracks[r].id==e&&(t=r)}t>-1&&this.extractedTracks.splice(t,1)},g.prototype.parse=function(){var e,t;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(e=f.parseOneBox(this.stream,false)).code===f.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var r;switch(r="uuid"!==(t=e.box).type?t.type:t.uuid,this.boxes.push(t),r){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[r]&&a.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},g.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(a.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(a.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(a.warn("ISOFile","Not ready to start parsing"),!1))},g.prototype.appendBuffer=function(e,t){var r;if(this.checkBuffer(e))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(t),this.nextSeekPosition?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(a.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},g.prototype.getInfo=function(){var e,t,r,i,n,s,a={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(a.hasMoov=!0,a.duration=this.moov.mvhd.duration,a.timescale=this.moov.mvhd.timescale,a.isFragmented=null!=this.moov.mvex,a.isFragmented&&this.moov.mvex.mehd&&(a.fragment_duration=this.moov.mvex.mehd.fragment_duration),a.isProgressive=this.isProgressive,a.hasIOD=null!=this.moov.iods,a.brands=[],a.brands.push(this.ftyp.major_brand),a.brands=a.brands.concat(this.ftyp.compatible_brands),a.created=new Date(o+1e3*this.moov.mvhd.creation_time),a.modified=new Date(o+1e3*this.moov.mvhd.modification_time),a.tracks=[],a.audioTracks=[],a.videoTracks=[],a.subtitleTracks=[],a.metadataTracks=[],a.hintTracks=[],a.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(s=(r=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],i={},a.tracks.push(i),i.id=r.tkhd.track_id,i.name=r.mdia.hdlr.name,i.references=[],r.tref)for(t=0;t<r.tref.boxes.length;t++)n={},i.references.push(n),n.type=r.tref.boxes[t].type,n.track_ids=r.tref.boxes[t].track_ids;r.edts&&(i.edits=r.edts.elst.entries),i.created=new Date(o+1e3*r.tkhd.creation_time),i.modified=new Date(o+1e3*r.tkhd.modification_time),i.movie_duration=r.tkhd.duration,i.movie_timescale=a.timescale,i.layer=r.tkhd.layer,i.alternate_group=r.tkhd.alternate_group,i.volume=r.tkhd.volume,i.matrix=r.tkhd.matrix,i.track_width=r.tkhd.width/65536,i.track_height=r.tkhd.height/65536,i.timescale=r.mdia.mdhd.timescale,i.cts_shift=r.mdia.minf.stbl.cslg,i.duration=r.mdia.mdhd.duration,i.samples_duration=r.samples_duration,i.codec=s.getCodec(),i.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},i.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,i.nb_samples=r.samples.length,i.size=r.samples_size,i.bitrate=8*i.size*i.timescale/i.samples_duration,s.isAudio()?(i.type="audio",a.audioTracks.push(i),i.audio={},i.audio.sample_rate=s.getSampleRate(),i.audio.channel_count=s.getChannelCount(),i.audio.sample_size=s.getSampleSize()):s.isVideo()?(i.type="video",a.videoTracks.push(i),i.video={},i.video.width=s.getWidth(),i.video.height=s.getHeight()):s.isSubtitle()?(i.type="subtitles",a.subtitleTracks.push(i)):s.isHint()?(i.type="metadata",a.hintTracks.push(i)):s.isMetadata()?(i.type="metadata",a.metadataTracks.push(i)):(i.type="metadata",a.otherTracks.push(i))}else a.hasMoov=!1;if(a.mime="",a.hasMoov&&a.tracks){for(a.videoTracks&&a.videoTracks.length>0?a.mime+='video/mp4; codecs="':a.audioTracks&&a.audioTracks.length>0?a.mime+='audio/mp4; codecs="':a.mime+='application/mp4; codecs="',e=0;e<a.tracks.length;e++)0!==e&&(a.mime+=","),a.mime+=a.tracks[e].codec;a.mime+='"; profiles="',a.mime+=this.ftyp.compatible_brands.join(),a.mime+='"'}return a},g.prototype.setNextSeekPositionFromSample=function(e){e&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(e.offset+e.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=e.offset+e.alreadyRead)},g.prototype.processSamples=function(e){var t,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var i=this.fragmentedTracks[t];for(r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var n=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!n)break;if(i.segmentStream=n,r.nextSample++,(r.nextSample%i.nb_samples==0||e||r.nextSample>=r.samples.length)&&(a.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var s=this.extractedTracks[t];for(r=s.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Exporting on track #"+s.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o){this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if(r.nextSample++,s.samples.push(o),(r.nextSample%s.nb_samples==0||r.nextSample>=r.samples.length)&&(a.debug("ISOFile","Sending samples on track #"+s.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(s.id,s.user,s.samples),s.samples=[],s!==this.extractedTracks[t]))break}}}},g.prototype.getBox=function(e){var t=this.getBoxes(e,!0);return t.length?t[0]:null},g.prototype.getBoxes=function(e,t){var r=[];return g._sweep.call(this,e,r,t),r},g._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;g._sweep.call(this.boxes[i],e,t,r)}},g.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},g.prototype.getTrackSample=function(e,t){var r=this.getTrackById(e);return this.getSample(r,t)},g.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var n=i.lastValidSample;n<t;n++)r+=this.releaseSample(i,n);a.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},g.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},g.prototype.stop=function(){this.sampleProcessingStarted=!1},g.prototype.flush=function(){a.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},g.prototype.seekTrack=function(e,t,r){var i,n,s,o,d=0,l=0;if(0===r.samples.length)return a.info("ISOFile","No sample in track, cannot seek! Using time "+a.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(n=r.samples[i],0===i)l=0,o=n.timescale;else if(n.cts>e*n.timescale){l=i-1;break}t&&n.is_sync&&(d=i)}for(t&&(l=d),e=r.samples[l].cts,r.nextSample=l;r.samples[l].alreadyRead===r.samples[l].size&&r.samples[l+1];)l++;return s=r.samples[l].offset+r.samples[l].alreadyRead,a.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(e,o)+" and offset: "+s),{offset:s,time:e/o}},g.prototype.getTrackDuration=function(e){var t;return e.samples?((t=e.samples[e.samples.length-1]).cts+t.duration)/t.timescale:1/0},g.prototype.seek=function(e,t){var r,i,n,s=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(n=0;n<s.traks.length;n++)r=s.traks[n],e>this.getTrackDuration(r)||((i=this.seekTrack(e,t,r)).offset<o.offset&&(o.offset=i.offset),i.time<o.time&&(o.time=i.time));return a.info("ISOFile","Seeking at time "+a.getDurationString(o.time,1)+" needs a buffer with a fileStart position of "+o.offset),o.offset===1/0?o={offset:this.nextParsePosition,time:0}:o.offset=this.stream.getEndFilePositionAfter(o.offset),a.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+o.offset),o}throw"Cannot seek: moov not received!"},g.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var r=this.boxes[t],i=e.boxes[t];if(!f.boxEqual(r,i))return!1;t++}return!0},t.ISOFile=g,g.prototype.lastBoxStartPosition=0,g.prototype.parsingMdat=null,g.prototype.nextParsePosition=0,g.prototype.discardMdatData=!1,g.prototype.processIncompleteBox=function(e){var t;return"mdat"===e.type?(t=new f[e.type+"Box"](e.size),this.parsingMdat=t,this.boxes.push(t),this.mdats.push(t),t.start=e.start,t.hdr_size=e.hdr_size,this.stream.addUsedBytes(t.hdr_size),this.lastBoxStartPosition=t.start+t.size,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=t.start+t.size,!1)):("moov"===e.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(e.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+e.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},g.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},g.prototype.processIncompleteMdat=function(){var e;return e=this.parsingMdat,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(a.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},g.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},g.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},g.prototype.updateUsedBytes=function(e,t){this.stream.addUsedBytes&&("mdat"===e.type?(this.stream.addUsedBytes(e.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(e.size-e.hdr_size)):this.stream.addUsedBytes(e.size))},g.prototype.add=f.Box.prototype.add,g.prototype.addBox=f.Box.prototype.addBox,g.prototype.init=function(e){var t=e||{};this.add("ftyp").set("major_brand",t.brands&&t.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",t.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",t.timescale||600).set("rate",t.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",t.duration||0).set("volume",t.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},g.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{};t.width=t.width||320,t.height=t.height||320,t.id=t.id||this.moov.mvhd.next_track_id,t.type=t.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,r.add("tkhd").set("flags",f.TKHD_FLAG_ENABLED|f.TKHD_FLAG_IN_MOVIE|f.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var i=r.add("mdia");i.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),i.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),i.add("elng").set("extended_language",t.language||"fr-FR");var n=i.add("minf");if(void 0!==f[t.type+"SampleEntry"]){var s=new f[t.type+"SampleEntry"];s.data_reference_index=1;var a="";for(var d in f.sampleEntryCodes)for(var l=f.sampleEntryCodes[d],u=0;u<l.length;u++)if(l.indexOf(t.type)>-1){a=d;break}switch(a){case"Visual":if(n.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),s.set("width",t.width).set("height",t.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",t.type+" Compressor").set("depth",24),t.avcDecoderConfigRecord){var c=new f.avcCBox;c.parse(new o(t.avcDecoderConfigRecord)),s.addBox(c)}else if(t.hevcDecoderConfigRecord){var h=new f.hvcCBox;h.parse(new o(t.hevcDecoderConfigRecord)),s.addBox(h)}break;case"Audio":n.add("smhd").set("balance",t.balance||0),s.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":n.add("hmhd");break;case"Subtitle":if(n.add("sthd"),"stpp"===t.type)s.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:n.add("nmhd")}t.description&&s.addBox(t.description),t.description_boxes&&t.description_boxes.forEach((function(e){s.addBox(e)})),n.add("dinf").add("dref").addEntry((new f["url Box"]).set("flags",1));var p=n.add("stbl");return p.add("stsd").addEntry(s),p.add("stts").set("sample_counts",[]).set("sample_deltas",[]),p.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),p.add("stco").set("chunk_offsets",[]),p.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",t.id).set("default_sample_description_index",t.default_sample_description_index||1).set("default_sample_duration",t.default_sample_duration||0).set("default_sample_size",t.default_sample_size||0).set("default_sample_flags",t.default_sample_flags||0),this.buildTrakSampleLists(r),t.id}},f.Box.prototype.computeSize=function(e){var t=e||new d;t.endianness=d.BIG_ENDIAN,this.write(t)},g.prototype.addSample=function(e,t,r){var i=r||{},n={},s=this.getTrackById(e);if(null!==s){n.number=s.samples.length,n.track_id=s.tkhd.track_id,n.timescale=s.mdia.mdhd.timescale,n.description_index=i.sample_description_index?i.sample_description_index-1:0,n.description=s.mdia.minf.stbl.stsd.entries[n.description_index],n.data=t,n.size=t.byteLength,n.alreadyRead=n.size,n.duration=i.duration||1,n.cts=i.cts||0,n.dts=i.dts||0,n.is_sync=i.is_sync||!1,n.is_leading=i.is_leading||0,n.depends_on=i.depends_on||0,n.is_depended_on=i.is_depended_on||0,n.has_redundancy=i.has_redundancy||0,n.degradation_priority=i.degradation_priority||0,n.offset=0,n.subsamples=i.subsamples,s.samples.push(n),s.samples_size+=n.size,s.samples_duration+=n.duration,void 0===s.first_dts&&(s.first_dts=i.dts),this.processSamples();var a=this.createSingleSampleMoof(n);return this.addBox(a),a.computeSize(),a.trafs[0].truns[0].data_offset=a.size+8,this.add("mdat").data=new Uint8Array(t),n}},g.prototype.createSingleSampleMoof=function(e){var t=0;t=e.is_sync?1<<25:65536;var r=new f.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=r.add("traf"),n=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(n.first_dts||0)),i.add("trun").set("flags",f.TRUN_FLAGS_DATA_OFFSET|f.TRUN_FLAGS_DURATION|f.TRUN_FLAGS_SIZE|f.TRUN_FLAGS_FLAGS|f.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[e.duration]).set("sample_size",[e.size]).set("sample_flags",[t]).set("sample_composition_time_offset",[e.cts-e.dts]),r},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var e,t,r,i,n,s;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,e=0;e<this.moov.traks.length;e++){(t=this.moov.traks[e]).tkhd.duration=0,t.mdia.mdhd.duration=0,(t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64).chunk_offsets=[],(r=t.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2).sample_sizes=[],(i=t.mdia.minf.stbl.stts).sample_counts=[],i.sample_deltas=[],(n=t.mdia.minf.stbl.ctts)&&(n.sample_counts=[],n.sample_offsets=[]),s=t.mdia.minf.stbl.stss;var a=t.mdia.minf.stbl.boxes.indexOf(s);-1!=a&&(t.mdia.minf.stbl.boxes[a]=null)}},g.initSampleGroups=function(e,t,r,i,n){var s,a,o,d;function l(e,t,r){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(t&&(t.sample_groups_info=[]),e.sample_groups_info||(e.sample_groups_info=[]),a=0;a<r.length;a++){for(d=r[a].grouping_type+"/"+r[a].grouping_type_parameter,o=new l(r[a].grouping_type,r[a].grouping_type_parameter,r[a]),t&&(t.sample_groups_info[d]=o),e.sample_groups_info[d]||(e.sample_groups_info[d]=o),s=0;s<i.length;s++)i[s].grouping_type===r[a].grouping_type&&(o.description=i[s],o.description.used=!0);if(n)for(s=0;s<n.length;s++)n[s].grouping_type===r[a].grouping_type&&(o.fragment_description=n[s],o.fragment_description.used=!0,o.is_fragment=!0)}if(t){if(n)for(a=0;a<n.length;a++)!n[a].used&&n[a].version>=2&&(d=n[a].grouping_type+"/0",(o=new l(n[a].grouping_type,0)).is_fragment=!0,t.sample_groups_info[d]||(t.sample_groups_info[d]=o))}else for(a=0;a<i.length;a++)!i[a].used&&i[a].version>=2&&(d=i[a].grouping_type+"/0",o=new l(i[a].grouping_type,0),e.sample_groups_info[d]||(e.sample_groups_info[d]=o))},g.setSampleGroupProperties=function(e,t,r,i){var n,s;for(n in t.sample_groups=[],i){var a;if(t.sample_groups[n]={},t.sample_groups[n].grouping_type=i[n].grouping_type,t.sample_groups[n].grouping_type_parameter=i[n].grouping_type_parameter,r>=i[n].last_sample_in_run&&(i[n].last_sample_in_run<0&&(i[n].last_sample_in_run=0),i[n].entry_index++,i[n].entry_index<=i[n].sbgp.entries.length-1&&(i[n].last_sample_in_run+=i[n].sbgp.entries[i[n].entry_index].sample_count)),i[n].entry_index<=i[n].sbgp.entries.length-1?t.sample_groups[n].group_description_index=i[n].sbgp.entries[i[n].entry_index].group_description_index:t.sample_groups[n].group_description_index=-1,0!==t.sample_groups[n].group_description_index)a=i[n].fragment_description?i[n].fragment_description:i[n].description,t.sample_groups[n].group_description_index>0?(s=t.sample_groups[n].group_description_index>65535?(t.sample_groups[n].group_description_index>>16)-1:t.sample_groups[n].group_description_index-1,a&&s>=0&&(t.sample_groups[n].description=a.entries[s])):a&&a.version>=2&&a.default_group_description_index>0&&(t.sample_groups[n].description=a.entries[a.default_group_description_index-1])}},g.process_sdtp=function(e,t,r){t&&(e?(t.is_leading=e.is_leading[r],t.depends_on=e.sample_depends_on[r],t.is_depended_on=e.sample_is_depended_on[r],t.has_redundancy=e.sample_has_redundancy[r]):(t.is_leading=0,t.depends_on=0,t.is_depended_on=0,t.has_redundancy=0))},g.prototype.buildSampleLists=function(){var e,t;for(e=0;e<this.moov.traks.length;e++)t=this.moov.traks[e],this.buildTrakSampleLists(t)},g.prototype.buildTrakSampleLists=function(e){var t,r,i,n,s,a,o,d,l,u,c,f,h,p,m,_,y,b,v,w,S,E,A,U;if(e.samples=[],e.samples_duration=0,e.samples_size=0,r=e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64,i=e.mdia.minf.stbl.stsc,n=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,s=e.mdia.minf.stbl.stts,a=e.mdia.minf.stbl.ctts,o=e.mdia.minf.stbl.stss,d=e.mdia.minf.stbl.stsd,l=e.mdia.minf.stbl.subs,f=e.mdia.minf.stbl.stdp,u=e.mdia.minf.stbl.sbgps,c=e.mdia.minf.stbl.sgpds,b=-1,v=-1,w=-1,S=-1,E=0,A=0,U=0,g.initSampleGroups(e,null,u,c),void 0!==n){for(t=0;t<n.sample_sizes.length;t++){var x={};x.number=t,x.track_id=e.tkhd.track_id,x.timescale=e.mdia.mdhd.timescale,x.alreadyRead=0,e.samples[t]=x,x.size=n.sample_sizes[t],e.samples_size+=x.size,0===t?(p=1,h=0,x.chunk_index=p,x.chunk_run_index=h,y=i.samples_per_chunk[h],_=0,m=h+1<i.first_chunk.length?i.first_chunk[h+1]-1:1/0):t<y?(x.chunk_index=p,x.chunk_run_index=h):(p++,x.chunk_index=p,_=0,p<=m||(m=++h+1<i.first_chunk.length?i.first_chunk[h+1]-1:1/0),x.chunk_run_index=h,y+=i.samples_per_chunk[h]),x.description_index=i.sample_description_index[x.chunk_run_index]-1,x.description=d.entries[x.description_index],x.offset=r.chunk_offsets[x.chunk_index-1]+_,_+=x.size,t>b&&(v++,b<0&&(b=0),b+=s.sample_counts[v]),t>0?(e.samples[t-1].duration=s.sample_deltas[v],e.samples_duration+=e.samples[t-1].duration,x.dts=e.samples[t-1].dts+e.samples[t-1].duration):x.dts=0,a?(t>=w&&(S++,w<0&&(w=0),w+=a.sample_counts[S]),x.cts=e.samples[t].dts+a.sample_offsets[S]):x.cts=x.dts,o?(t==o.sample_numbers[E]-1?(x.is_sync=!0,E++):(x.is_sync=!1,x.degradation_priority=0),l&&l.entries[A].sample_delta+U==t+1&&(x.subsamples=l.entries[A].subsamples,U+=l.entries[A].sample_delta,A++)):x.is_sync=!0,g.process_sdtp(e.mdia.minf.stbl.sdtp,x,x.number),x.degradation_priority=f?f.priority[t]:0,l&&l.entries[A].sample_delta+U==t&&(x.subsamples=l.entries[A].subsamples,U+=l.entries[A].sample_delta),(u.length>0||c.length>0)&&g.setSampleGroupProperties(e,x,t,e.sample_groups_info)}t>0&&(e.samples[t-1].duration=Math.max(e.mdia.mdhd.duration-e.samples[t-1].dts,0),e.samples_duration+=e.samples[t-1].duration)}},g.prototype.updateSampleLists=function(){var e,t,r,i,n,s,a,o,d,l,u,c,h,p,m;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(d=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==d.type)for(l=d,e=0;e<l.trafs.length;e++){for(u=l.trafs[e],c=this.getTrackById(u.tfhd.track_id),h=this.getTrexById(u.tfhd.track_id),i=u.tfhd.flags&f.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:h?h.default_sample_description_index:1,n=u.tfhd.flags&f.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:h?h.default_sample_duration:0,s=u.tfhd.flags&f.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:h?h.default_sample_size:0,a=u.tfhd.flags&f.TFHD_FLAG_SAMPLE_FLAGS?u.tfhd.default_sample_flags:h?h.default_sample_flags:0,u.sample_number=0,u.sbgps.length>0&&g.initSampleGroups(c,u,u.sbgps,c.mdia.minf.stbl.sgpds,u.sgpds),t=0;t<u.truns.length;t++){var _=u.truns[t];for(r=0;r<_.sample_count;r++)if((p={}).moof_number=this.lastMoofIndex,p.number_in_traf=u.sample_number,u.sample_number++,c.samples){p.number=c.samples.length,u.first_sample_index=c.samples.length,c.samples.push(p),p.track_id=c.tkhd.track_id,p.timescale=c.mdia.mdhd.timescale,p.description_index=i-1,p.description=c.mdia.minf.stbl.stsd.entries[p.description_index],p.size=s,_.flags&f.TRUN_FLAGS_SIZE&&(p.size=_.sample_size[r]),c.samples_size+=p.size,p.duration=n,_.flags&f.TRUN_FLAGS_DURATION&&(p.duration=_.sample_duration[r]),c.samples_duration+=p.duration,c.first_traf_merged||r>0?p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration:(u.tfdt?p.dts=u.tfdt.baseMediaDecodeTime:p.dts=0,c.first_traf_merged=!0),p.cts=p.dts,_.flags&f.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+_.sample_composition_time_offset[r]),m=a,_.flags&f.TRUN_FLAGS_FLAGS?m=_.sample_flags[r]:0===r&&_.flags&f.TRUN_FLAGS_FIRST_FLAG&&(m=_.first_sample_flags),p.is_sync=!(m>>16&1),p.is_leading=m>>26&3,p.depends_on=m>>24&3,p.is_depended_on=m>>22&3,p.has_redundancy=m>>20&3,p.degradation_priority=65535&m;var y=!!(u.tfhd.flags&f.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(u.tfhd.flags&f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(_.flags&f.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?u.tfhd.base_data_offset:b||0===t?l.start:o,p.offset=0===t&&0===r?v?w+_.data_offset:w:o,o=p.offset+p.size,(u.sbgps.length>0||u.sgpds.length>0||c.mdia.minf.stbl.sbgps.length>0||c.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(c,p,p.number_in_traf,u.sample_groups_info)}}if(u.subs){c.has_fragment_subsamples=!0;var S=u.first_sample_index;for(t=0;t<u.subs.entries.length;t++)S+=u.subs.entries[t].sample_delta,(p=c.samples[S-1]).subsamples=u.subs.entries[t].subsamples}}},g.prototype.getSample=function(e,t){var r,i=e.samples[t];if(!this.moov)return null;if(i.data){if(i.alreadyRead==i.size)return i}else i.data=new Uint8Array(i.size),i.alreadyRead=0,this.samplesDataSize+=i.size,a.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+i.size+" (total: "+this.samplesDataSize+")");for(;;){var n=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(n>-1))return null;var s=(r=this.stream.buffers[n]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=s)return a.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+(i.size-i.alreadyRead)+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,i.size-i.alreadyRead),r.usedBytes+=i.size-i.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead=i.size,i;if(0===s)return null;a.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+s+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,s),i.alreadyRead+=s,r.usedBytes+=s,this.stream.logBufferLevel()}},g.prototype.releaseSample=function(e,t){var r=e.samples[t];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},g.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},g.prototype.getCodecs=function(){var e,t="";for(e=0;e<this.moov.traks.length;e++){e>0&&(t+=","),t+=this.moov.traks[e].mdia.minf.stbl.stsd.entries[0].getCodec()}return t},g.prototype.getTrexById=function(e){var t;if(!this.moov||!this.moov.mvex)return null;for(t=0;t<this.moov.mvex.trexs.length;t++){var r=this.moov.mvex.trexs[t];if(r.track_id==e)return r}return null},g.prototype.getTrackById=function(e){if(void 0===this.moov)return null;for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null},g.prototype.items=[],g.prototype.entity_groups=[],g.prototype.itemsDataSize=0,g.prototype.flattenItemInfo=function(){var e,t,r,i=this.items,n=this.entity_groups,s=this.meta;if(null!=s&&void 0!==s.hdlr&&void 0!==s.iinf){for(e=0;e<s.iinf.item_infos.length;e++)(r={}).id=s.iinf.item_infos[e].item_ID,i[r.id]=r,r.ref_to=[],r.name=s.iinf.item_infos[e].item_name,s.iinf.item_infos[e].protection_index>0&&(r.protection=s.ipro.protections[s.iinf.item_infos[e].protection_index-1]),s.iinf.item_infos[e].item_type?r.type=s.iinf.item_infos[e].item_type:r.type="mime",r.content_type=s.iinf.item_infos[e].content_type,r.content_encoding=s.iinf.item_infos[e].content_encoding;if(s.grpl)for(e=0;e<s.grpl.boxes.length;e++)entity_group={},entity_group.id=s.grpl.boxes[e].group_id,entity_group.entity_ids=s.grpl.boxes[e].entity_ids,entity_group.type=s.grpl.boxes[e].type,n[entity_group.id]=entity_group;if(s.iloc)for(e=0;e<s.iloc.items.length;e++){var o=s.iloc.items[e];switch(r=i[o.item_ID],0!==o.data_reference_index&&(a.warn("Item storage with reference to other files: not supported"),r.source=s.dinf.boxes[o.data_reference_index-1]),o.construction_method){case 0:break;case 1:case 2:a.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,t=0;t<o.extents.length;t++)r.extents[t]={},r.extents[t].offset=o.extents[t].extent_offset+o.base_offset,r.extents[t].length=o.extents[t].extent_length,r.extents[t].alreadyRead=0,r.size+=r.extents[t].length}if(s.pitm&&(i[s.pitm.item_id].primary=!0),s.iref)for(e=0;e<s.iref.references.length;e++){var d=s.iref.references[e];for(t=0;t<d.references.length;t++)i[d.from_item_ID].ref_to.push({type:d.type,id:d.references[t]})}if(s.iprp)for(var l=0;l<s.iprp.ipmas.length;l++){var u=s.iprp.ipmas[l];for(e=0;e<u.associations.length;e++){var c=u.associations[e];if((r=i[c.id])||(r=n[c.id]),r)for(void 0===r.properties&&(r.properties={},r.properties.boxes=[]),t=0;t<c.props.length;t++){var f=c.props[t];if(f.property_index>0&&f.property_index-1<s.iprp.ipco.boxes.length){var h=s.iprp.ipco.boxes[f.property_index-1];r.properties[h.type]=h,r.properties.boxes.push(h)}}}}}},g.prototype.getItem=function(e){var t,r;if(!this.meta)return null;if(!(r=this.items[e]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,a.debug("ISOFile","Allocating item #"+e+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var i=0;i<r.extents.length;i++){var n=r.extents[i];if(n.alreadyRead!==n.length){var s=this.stream.findPosition(!0,n.offset+n.alreadyRead,!1);if(!(s>-1))return null;var o=(t=this.stream.buffers[s]).byteLength-(n.offset+n.alreadyRead-t.fileStart);if(!(n.length-n.alreadyRead<=o))return a.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-t.fileStart)+" read size: "+o+" full extent size: "+n.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,n.offset+n.alreadyRead-t.fileStart,o),n.alreadyRead+=o,r.alreadyRead+=o,t.usedBytes+=o,this.stream.logBufferLevel(),null;a.debug("ISOFile","Getting item #"+e+" extent #"+i+" data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-t.fileStart)+" read size: "+(n.length-n.alreadyRead)+" full extent size: "+n.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,n.offset+n.alreadyRead-t.fileStart,n.length-n.alreadyRead),t.usedBytes+=n.length-n.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=n.length-n.alreadyRead,n.alreadyRead=n.length}}return r.alreadyRead===r.size?r:null},g.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null,t.alreadyRead=0;for(var r=0;r<t.extents.length;r++){t.extents[r].alreadyRead=0}return t.size}return 0},g.prototype.processItems=function(e){for(var t in this.items){var r=this.items[t];this.getItem(r.id),e&&!r.sent&&(e(r),r.sent=!0,r.data=null)}},g.prototype.hasItem=function(e){for(var t in this.items){var r=this.items[t];if(r.name===e)return r.id}return-1},g.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},g.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},g.prototype.itemToFragmentedTrackFile=function(e){var t=e||{},r=null;if(null==(r=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var i=new g;i.discardMdatData=!1;var n={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(n.width=r.properties.ispe.image_width,n.height=r.properties.ispe.image_height);var s=i.addTrack(n);return s?(i.addSample(s,r.data),i):null},g.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},g.prototype.createFragment=function(e,t,r){var i=this.getTrackById(e),n=this.getSample(i,t);if(null==n)return this.setNextSeekPositionFromSample(i.samples[t]),null;var s=r||new d;s.endianness=d.BIG_ENDIAN;var o=this.createSingleSampleMoof(n);o.write(s),o.trafs[0].truns[0].data_offset=o.size+8,a.debug("MP4Box","Adjusting data_offset with new value "+o.trafs[0].truns[0].data_offset),s.adjustUint32(o.trafs[0].truns[0].data_offset_position,o.trafs[0].truns[0].data_offset);var l=new f.mdatBox;return l.data=n.data,l.write(s),s},g.writeInitializationSegment=function(e,t,r,i){var n;a.debug("ISOFile","Generating initialization segment");var s=new d;s.endianness=d.BIG_ENDIAN,e.write(s);var o=t.add("mvex");for(r&&o.add("mehd").set("fragment_duration",r),n=0;n<t.traks.length;n++)o.add("trex").set("track_id",t.traks[n].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",i).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(s),s.buffer},g.prototype.save=function(e){var t=new d;t.endianness=d.BIG_ENDIAN,this.write(t),t.save(e)},g.prototype.getBuffer=function(){var e=new d;return e.endianness=d.BIG_ENDIAN,this.write(e),e.buffer},g.prototype.initializeSegmentation=function(){var e,t,r,i;for(null===this.onSegment&&a.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var n=new f.moovBox;n.mvhd=this.moov.mvhd,n.boxes.push(n.mvhd),r=this.getTrackById(this.fragmentedTracks[e].id),n.boxes.push(r),n.traks.push(r),(i={}).id=r.tkhd.track_id,i.user=this.fragmentedTracks[e].user,i.buffer=g.writeInitializationSegment(this.ftyp,n,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[e].samples.length>0?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},f.Box.prototype.printHeader=function(e){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},f.FullBox.prototype.printHeader=function(e){this.size+=4,f.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},f.Box.prototype.print=function(e){this.printHeader(e)},f.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t<this.boxes.length;t++)if(this.boxes[t]){var r=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=r}},g.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},f.mvhdBox.prototype.print=function(e){f.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: 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t=[101,103,119,99],r=e.length-28,i=e.slice(r,r+t.length);return t.every(((e,t)=>e===i[t]))}Nr.Log,Nr.MP4BoxStream,Nr.DataStream,Nr.MultiBufferStream,Nr.MPEG4DescriptorParser,Nr.BoxParser,Nr.XMLSubtitlein4Parser,Nr.Textin4Parser,Nr.ISOFile,Nr.createFile;class Gr{constructor(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=new Uint8Array([30,158,90,33,244,57,83,165,2,70,35,87,215,231,226,108]),this.t=this.n.slice().reverse()}destroy(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=null,this.t=null}transport(e){if(!this.s&&this.l>50)return e;if(this.l++,this.d)return e;const t=new Uint8Array(e);if(this.A){if(!(this.c<this.u))return this.a&&this.s?(this.a.set(t,this.r),this.s.parse(null,this.r,t.byteLength),this.a.slice(this.r,this.r+t.byteLength)):(console.error("video_error_2"),this.d=!0,e);Or(t)&&this.c++}else{const r=function(e,t){const r=function(e,t){for(let r=0;r<e.byteLength-t.length;r++)for(let i=0;i<t.length&&e[r+i]===t[i];i++)if(i===t.length-1)return r;return null}(e,t);if(r){const t=zr(e.slice(r+16,r+16+8));return[t,zr(e.slice(r+24,r+24+8)),function(e){return e.map((e=>~e))}(e.slice(r+32,r+32+t))]}return null}(t,this.t);if(!r)return e;const i=function(e){try{if("object"!=typeof WebAssembly||"function"!=typeof WebAssembly.instantiate)throw null;{const e=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(!(e instanceof WebAssembly.Module&&new WebAssembly.Instance(e)instanceof WebAssembly.Instance))throw null}}catch(e){return new Error("video_error_4")}let t;try{t={env:{__handle_stack_overflow:()=>e(new Error("video_error_1")),memory:new WebAssembly.Memory({initial:256,maximum:256})}}}catch(e){return new Error("video_error_5")}return t}(e);if(i instanceof Error)return console.error(i.message),this.d=!0,e;this.A=!0,this.u=r[1],Or(t)&&this.c++,WebAssembly.instantiate(r[2],i).then((e=>{if("function"!=typeof(t=e.instance.exports).parse||"object"!=typeof t.memory)return this.d=!0,void console.error("video_error_3");var t;this.s=e.instance.exports,this.a=new Uint8Array(this.s.memory.buffer)})).catch((e=>{this.d=!0,console.error("video_error_6")}))}return e}}const $r=0,Hr=32,Vr=16,Wr=[214,144,233,254,204,225,61,183,22,182,20,194,40,251,44,5,43,103,154,118,42,190,4,195,170,68,19,38,73,134,6,153,156,66,80,244,145,239,152,122,51,84,11,67,237,207,172,98,228,179,28,169,201,8,232,149,128,223,148,250,117,143,63,166,71,7,167,252,243,115,23,186,131,89,60,25,230,133,79,168,104,107,129,178,113,100,218,139,248,235,15,75,112,86,157,53,30,36,14,94,99,88,209,162,37,34,124,59,1,33,120,135,212,0,70,87,159,211,39,82,76,54,2,231,160,196,200,158,234,191,138,210,64,199,56,181,163,247,242,206,249,97,21,161,224,174,93,164,155,52,26,85,173,147,50,48,245,140,177,227,29,246,226,46,130,102,202,96,192,41,35,171,13,83,78,111,213,219,55,69,222,253,142,47,3,255,106,114,109,108,91,81,141,27,175,146,187,221,188,127,17,217,92,65,31,16,90,216,10,193,49,136,165,205,123,189,45,116,208,18,184,229,180,176,137,105,151,74,12,150,119,126,101,185,241,9,197,110,198,132,24,240,125,236,58,220,77,32,121,238,95,62,215,203,57,72],jr=[462357,472066609,943670861,1415275113,1886879365,2358483617,2830087869,3301692121,3773296373,4228057617,404694573,876298825,1347903077,1819507329,2291111581,2762715833,3234320085,3705924337,4177462797,337322537,808926789,1280531041,1752135293,2223739545,2695343797,3166948049,3638552301,4110090761,269950501,741554753,1213159005,1684763257];function qr(e){const t=[];for(let r=0,i=e.length;r<i;r+=2)t.push(parseInt(e.substr(r,2),16));return t}function Yr(e,t){const r=31&t;return e<<r|e>>>32-r}function Kr(e){return(255&Wr[e>>>24&255])<<24|(255&Wr[e>>>16&255])<<16|(255&Wr[e>>>8&255])<<8|255&Wr[255&e]}function Xr(e){return e^Yr(e,2)^Yr(e,10)^Yr(e,18)^Yr(e,24)}function Zr(e){return e^Yr(e,13)^Yr(e,23)}function Jr(e,t,r){const i=new Array(4),n=new Array(4);for(let t=0;t<4;t++)n[0]=255&e[4*t],n[1]=255&e[4*t+1],n[2]=255&e[4*t+2],n[3]=255&e[4*t+3],i[t]=n[0]<<24|n[1]<<16|n[2]<<8|n[3];for(let e,t=0;t<32;t+=4)e=i[1]^i[2]^i[3]^r[t+0],i[0]^=Xr(Kr(e)),e=i[2]^i[3]^i[0]^r[t+1],i[1]^=Xr(Kr(e)),e=i[3]^i[0]^i[1]^r[t+2],i[2]^=Xr(Kr(e)),e=i[0]^i[1]^i[2]^r[t+3],i[3]^=Xr(Kr(e));for(let e=0;e<16;e+=4)t[e]=i[3-e/4]>>>24&255,t[e+1]=i[3-e/4]>>>16&255,t[e+2]=i[3-e/4]>>>8&255,t[e+3]=255&i[3-e/4]}function Qr(e,t,r){let{padding:i="pkcs#7",mode:n,iv:s=[],output:a="string"}=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if("cbc"===n&&("string"==typeof 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e,r=0;r<32;r+=4)e=i[1]^i[2]^i[3]^jr[r+0],t[r+0]=i[0]^=Zr(Kr(e)),e=i[2]^i[3]^i[0]^jr[r+1],t[r+1]=i[1]^=Zr(Kr(e)),e=i[3]^i[0]^i[1]^jr[r+2],t[r+2]=i[2]^=Zr(Kr(e)),e=i[0]^i[1]^i[2]^jr[r+3],t[r+3]=i[3]^=Zr(Kr(e));if(r===$r)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}(t,o,r);const d=[];let l=s,u=e.length,c=0;for(;u>=Vr;){const t=e.slice(c,c+16),i=new Array(16);if("cbc"===n)for(let e=0;e<Vr;e++)r!==$r&&(t[e]^=l[e]);Jr(t,i,o);for(let e=0;e<Vr;e++)"cbc"===n&&r===$r&&(i[e]^=l[e]),d[c+e]=i[e];"cbc"===n&&(l=r!==$r?i:t),u-=Vr,c+=Vr}if(("pkcs#5"===i||"pkcs#7"===i)&&r===$r){const e=d.length,t=d[e-1];for(let r=1;r<=t;r++)if(d[e-r]!==t)throw new Error("padding is invalid");d.splice(e-t,t)}return"array"!==a?r!==$r?d.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join(""):function(e){const t=[];for(let r=0,i=e.length;r<i;r++)e[r]>=240&&e[r]<=247?(t.push(String.fromCodePoint(((7&e[r])<<18)+((63&e[r+1])<<12)+((63&e[r+2])<<6)+(63&e[r+3]))),r+=3):e[r]>=224&&e[r]<=239?(t.push(String.fromCodePoint(((15&e[r])<<12)+((63&e[r+1])<<6)+(63&e[r+2]))),r+=2):e[r]>=192&&e[r]<=223?(t.push(String.fromCodePoint(((31&e[r])<<6)+(63&e[r+1]))),r++):t.push(String.fromCodePoint(e[r]));return t.join("")}(d):d}class ei{on(e,t,r){const i=this.e||(this.e={});return(i[e]||(i[e]=[])).push({fn:t,ctx:r}),this}once(e,t,r){const i=this;function n(){i.off(e,n);for(var s=arguments.length,a=new Array(s),o=0;o<s;o++)a[o]=arguments[o];t.apply(r,a)}return n._=t,this.on(e,n,r)}emit(e){const t=((this.e||(this.e={}))[e]||[]).slice();for(var r=arguments.length,i=new Array(r>1?r-1:0),n=1;n<r;n++)i[n-1]=arguments[n];for(let e=0;e<t.length;e+=1)t[e].fn.apply(t[e].ctx,i);return this}off(e,t){const r=this.e||(this.e={});if(!e)return Object.keys(r).forEach((e=>{delete r[e]})),void delete this.e;const i=r[e],n=[];if(i&&t)for(let e=0,r=i.length;e<r;e+=1)i[e].fn!==t&&i[e].fn._!==t&&n.push(i[e]);return n.length?r[e]=n:delete r[e],this}}const ti={init:0,findFirstStartCode:1,findSecondStartCode:2};class ri extends ei{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=ti.init,this.tempBuffer=new Uint8Array(0),this.parsedOffset=0,this.versionLayer=0}dispatch(e,t){let r=new Uint8Array(this.tempBuffer.length+e.length);for(r.set(this.tempBuffer,0),r.set(e,this.tempBuffer.length),this.tempBuffer=r;!this.isDestroyed;){if(this.state==ti.Init){let e=!1;for(;this.tempBuffer.length-this.parsedOffset>=2&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(!(!1&this.tempBuffer[this.parsedOffset+1])){this.versionLayer=this.tempBuffer[this.parsedOffset+1],this.state=ti.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==ti.findFirstStartCode){let e=!1;for(;this.tempBuffer.length-this.parsedOffset>=2&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(this.tempBuffer[this.parsedOffset+1]==this.versionLayer){this.state=ti.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==ti.findSecondStartCode){let e=this.tempBuffer.slice(this.fisrtStartCodeOffset,this.secondStartCodeOffset);this.emit("data",e,t),this.tempBuffer=this.tempBuffer.slice(this.secondStartCodeOffset),this.fisrtStartCodeOffset=0,this.parsedOffset=2,this.state=ti.findFirstStartCode}}}}function ii(e,t,r){for(let i=2;i<e.length;++i){const n=i-2,s=t[n%t.length],a=r[n%r.length];e[i]=e[i]^s^a}return e}class ni{constructor(e){this.destroys=[],this.proxy=this.proxy.bind(this),this.master=e}proxy(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if(!e)return;if(Array.isArray(t))return t.map((t=>this.proxy(e,t,r,i)));e.addEventListener(t,r,i);const n=()=>{bt(e.removeEventListener)&&e.removeEventListener(t,r,i)};return this.destroys.push(n),n}destroy(){this.master.debug&&this.master.debug.log("Events","destroy"),this.destroys.forEach((e=>e())),this.destroys=[]}}class si{static init(){si.types={avc1:[],avcC:[],hvc1:[],hvcC:[],av01:[],av1C:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[],Opus:[],dOps:[],"ac-3":[],dac3:[],"ec-3":[],dec3:[]};for(let e in si.types)si.types.hasOwnProperty(e)&&(si.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);let e=si.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,r=null,i=Array.prototype.slice.call(arguments,1),n=i.length;for(let e=0;e<n;e++)t+=i[e].byteLength;r=new Uint8Array(t),r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,r.set(e,4);let s=8;for(let e=0;e<n;e++)r.set(i[e],s),s+=i[e].byteLength;return r}static generateInitSegment(e){let t=si.box(si.types.ftyp,si.constants.FTYP),r=si.moov(e),i=new Uint8Array(t.byteLength+r.byteLength);return i.set(t,0),i.set(r,t.byteLength),i}static moov(e){let t=si.mvhd(e.timescale,e.duration),r=si.trak(e),i=si.mvex(e);return si.box(si.types.moov,t,r,i)}static mvhd(e,t){return si.box(si.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(e){return si.box(si.types.trak,si.tkhd(e),si.mdia(e))}static tkhd(e){let t=e.id,r=e.duration,i=e.presentWidth,n=e.presentHeight;return si.box(si.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>>8&255,255&i,0,0,n>>>8&255,255&n,0,0]))}static mdia(e){return si.box(si.types.mdia,si.mdhd(e),si.hdlr(e),si.minf(e))}static mdhd(e){let t=e.timescale,r=e.duration;return si.box(si.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,r>>>24&255,r>>>16&255,r>>>8&255,255&r,85,196,0,0]))}static hdlr(e){let t=null;return t="audio"===e.type?si.constants.HDLR_AUDIO:si.constants.HDLR_VIDEO,si.box(si.types.hdlr,t)}static minf(e){let t=null;return t="audio"===e.type?si.box(si.types.smhd,si.constants.SMHD):si.box(si.types.vmhd,si.constants.VMHD),si.box(si.types.minf,t,si.dinf(),si.stbl(e))}static dinf(){return si.box(si.types.dinf,si.box(si.types.dref,si.constants.DREF))}static stbl(e){return si.box(si.types.stbl,si.stsd(e),si.box(si.types.stts,si.constants.STTS),si.box(si.types.stsc,si.constants.STSC),si.box(si.types.stsz,si.constants.STSZ),si.box(si.types.stco,si.constants.STCO))}static stsd(e){return"audio"===e.type?"mp3"===e.audioType?si.box(si.types.stsd,si.constants.STSD_PREFIX,si.mp3(e)):si.box(si.types.stsd,si.constants.STSD_PREFIX,si.mp4a(e)):"avc"===e.videoType?si.box(si.types.stsd,si.constants.STSD_PREFIX,si.avc1(e)):si.box(si.types.stsd,si.constants.STSD_PREFIX,si.hvc1(e))}static mp3(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return si.box(si.types[".mp3"],i)}static mp4a(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return si.box(si.types.mp4a,i,si.esds(e))}static esds(e){let t=e.config||[],r=t.length,i=new Uint8Array([0,0,0,0,3,23+r,0,1,0,4,15+r,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([r]).concat(t).concat([6,1,2]));return si.box(si.types.esds,i)}static avc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return si.box(si.types.avc1,n,si.box(si.types.avcC,t))}static hvc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return si.box(si.types.hvc1,n,si.box(si.types.hvcC,t))}static mvex(e){return si.box(si.types.mvex,si.trex(e))}static trex(e){let t=e.id,r=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return si.box(si.types.trex,r)}static moof(e,t){return si.box(si.types.moof,si.mfhd(e.sequenceNumber),si.traf(e,t))}static mfhd(e){let t=new Uint8Array([0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e]);return si.box(si.types.mfhd,t)}static traf(e,t){let r=e.id,i=si.box(si.types.tfhd,new Uint8Array([0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r])),n=si.box(si.types.tfdt,new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t])),s=si.sdtp(e),a=si.trun(e,s.byteLength+16+16+8+16+8+8);return si.box(si.types.traf,i,n,a,s)}static sdtp(e){let t=new Uint8Array(5),r=e.flags;return t[4]=r.isLeading<<6|r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy,si.box(si.types.sdtp,t)}static trun(e,t){let r=new Uint8Array(28);t+=36,r.set([0,0,15,1,0,0,0,1,t>>>24&255,t>>>16&255,t>>>8&255,255&t],0);let i=e.duration,n=e.size,s=e.flags,a=e.cts;return r.set([i>>>24&255,i>>>16&255,i>>>8&255,255&i,n>>>24&255,n>>>16&255,n>>>8&255,255&n,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.isNonSync,0,0,a>>>24&255,a>>>16&255,a>>>8&255,255&a],12),si.box(si.types.trun,r)}static mdat(e){return si.box(si.types.mdat,e)}}si.init();const ai=[44100,48e3,32e3,0],oi=[22050,24e3,16e3,0],di=[11025,12e3,8e3,0],li=[0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,-1],ui=[0,32,48,56,64,80,96,112,128,160,192,224,256,320,384,-1],ci=[0,32,40,48,56,64,80,96,112,128,160,192,224,256,320,-1];const fi=3,hi=4,pi=6,mi=15,_i=17,gi=129,yi=135,bi=21,vi=134,wi=27,Si=36;class Ei{constructor(){this.slices=[],this.total_length=0,this.expected_length=0,this.random_access_indicator=0}}class Ai{constructor(){this.pid=null,this.data=null,this.stream_type=null,this.random_access_indicator=null}}class Ui{constructor(){this.pid=null,this.stream_id=null,this.len=null,this.data=null,this.pts=null,this.nearest_pts=null,this.dts=null}}const xi=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];class Bi{constructor(){this.mimeType=null,this.duration=null,this.hasAudio=null,this.hasVideo=null,this.audioCodec=null,this.videoCodec=null,this.audioDataRate=null,this.videoDataRate=null,this.audioSampleRate=null,this.audioChannelCount=null,this.width=null,this.height=null,this.fps=null,this.profile=null,this.level=null,this.refFrames=null,this.chromaFormat=null,this.sarNum=null,this.sarDen=null,this.metadata=null,this.segments=null,this.segmentCount=null,this.hasKeyframesIndex=null,this.keyframesIndex=null}isComplete(){let e=!1===this.hasAudio||!0===this.hasAudio&&null!=this.audioCodec&&null!=this.audioSampleRate&&null!=this.audioChannelCount,t=!1===this.hasVideo||!0===this.hasVideo&&null!=this.videoCodec&&null!=this.width&&null!=this.height&&null!=this.fps&&null!=this.profile&&null!=this.level&&null!=this.refFrames&&null!=this.chromaFormat&&null!=this.sarNum&&null!=this.sarDen;return null!=this.mimeType&&e&&t}isSeekable(){return!0===this.hasKeyframesIndex}getNearestKeyframe(e){if(null==this.keyframesIndex)return null;let t=this.keyframesIndex,r=this._search(t.times,e);return{index:r,milliseconds:t.times[r],fileposition:t.filepositions[r]}}_search(e,t){let r=0,i=e.length-1,n=0,s=0,a=i;for(t<e[0]&&(r=0,s=a+1);s<=a;){if(n=s+Math.floor((a-s)/2),n===i||t>=e[n]&&t<e[n+1]){r=n;break}e[n]<t?s=n+1:a=n-1}return r}}class Ti{constructor(e){let t=null,r=e.audio_object_type,i=e.audio_object_type,n=e.sampling_freq_index,s=e.channel_config,a=0,o=navigator.userAgent.toLowerCase();-1!==o.indexOf("firefox")?n>=6?(i=5,t=new Array(4),a=n-3):(i=2,t=new Array(2),a=n):-1!==o.indexOf("android")?(i=2,t=new Array(2),a=n):(i=5,a=n,t=new Array(4),n>=6?a=n-3:1===s&&(i=2,t=new Array(2),a=n)),t[0]=i<<3,t[0]|=(15&n)>>>1,t[1]=(15&n)<<7,t[1]|=(15&s)<<3,5===i&&(t[1]|=(15&a)>>>1,t[2]=(1&a)<<7,t[2]|=8,t[3]=0),this.config=t,this.sampling_rate=xi[n],this.sampling_index=n,this.channel_count=s,this.object_type=i,this.original_object_type=r,this.codec_mimetype="mp4a.40."+i,this.original_codec_mimetype="mp4a.40."+r}}function ki(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],i=[],n=[],s={},a=new AbortController,o=null,d=null,l=null,y=null,b=null,w=null,Ge=!1,Ve=!1,tt=!!At(r),rt=!1,at=null,ot=null,_t=null,xt=[],Bt=null,Tt=null,kt=0,Pt=0,Ht=null,Vt=null,Wt=0,jt=0,qt=!1,Zt=!1,sr=!1,ar=null,or=null,dr=null,lr=!1,ur=()=>{const e=St();return{debug:e.debug,debugLevel:e.debugLevel,debugUuid:e.debugUuid,useOffscreen:e.useOffscreen,useWCS:e.useWCS,useMSE:e.useMSE,videoBuffer:e.videoBuffer,videoBufferDelay:e.videoBufferDelay,openWebglAlignment:e.openWebglAlignment,playType:e.playType,hasAudio:e.hasAudio,hasVideo:e.hasVideo,playbackRate:1,playbackForwardMaxRateDecodeIFrame:e.playbackForwardMaxRateDecodeIFrame,playbackIsCacheBeforeDecodeForFpsRender:e.playbackConfig.isCacheBeforeDecodeForFpsRender,sampleRate:0,networkDelay:e.networkDelay,visibility:!0,useSIMD:e.useSIMD,isRecording:!1,recordType:e.recordType,isNakedFlow:e.isNakedFlow,checkFirstIFrame:e.checkFirstIFrame,audioBufferSize:1024,isM7sCrypto:e.isM7sCrypto,m7sCryptoAudio:e.m7sCryptoAudio,cryptoKey:e.cryptoKey,cryptoIV:e.cryptoIV,isSm4Crypto:e.isSm4Crypto,sm4CryptoKey:e.sm4CryptoKey,isXorCrypto:e.isXorCrypto,isHls265:!1,isFlv:e.isFlv,isFmp4:e.isFmp4,isMpeg4:e.isMpeg4,isTs:e.isTs,isFmp4Private:e.isFmp4Private,isEmitSEI:e.isEmitSEI,isRecordTypeFlv:!1,isWasmMp4:!1,isChrome:!1,isDropSameTimestampGop:e.isDropSameTimestampGop,mseDecodeAudio:e.mseDecodeAudio,nakedFlowH265DemuxUseNew:e.nakedFlowH265DemuxUseNew,mseDecoderUseWorker:e.mseDecoderUseWorker,mseAutoCleanupSourceBuffer:e.mseAutoCleanupSourceBuffer,mseAutoCleanupMaxBackwardDuration:e.mseAutoCleanupMaxBackwardDuration,mseAutoCleanupMinBackwardDuration:e.mseAutoCleanupMinBackwardDuration,mseCorrectTimeDuration:e.mseCorrectTimeDuration,mseCorrectAudioTimeDuration:e.mseCorrectAudioTimeDuration}};"VideoEncoder"in self&&(s={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(s.isEmitInfo||(gr.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:E,w:e.codedWidth,h:e.codedHeight}),s.isEmitInfo=!0,s.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),s.offscreenCanvasCtx=s.offscreenCanvas.getContext("2d")),bt(e.createImageBitmap))e.createImageBitmap().then((t=>{s.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:A,buffer:r,delay:gr.delay,ts:0},[r]),vt(e)}));else{s.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:A,buffer:t,delay:gr.delay,ts:0},[t]),vt(e)}},error:function(e){gr.debug.error("worker","VideoDecoder error",e)}}),decode:function(e,t,r){const i=e[0]>>4==1;if(s.hasInit){const r=new EncodedVideoChunk({data:e.slice(5),timestamp:t,type:i?Ie:Pe});s.decoder.decode(r)}else if(i&&0===e[1]){const t=15&e[0];postMessage({cmd:C,code:t});const r=new Uint8Array(e);postMessage({cmd:D,buffer:r,codecId:t},[r.buffer]);let i=null,n=null;const a=e.slice(5);t===Ue?(n=Ft(a),i={codec:n.codec,description:a}):t===xe&&(n=Xt(a),i={codec:n.codec,description:a}),n&&n.codecWidth&&n.codecHeight&&(i.codedHeight=n.codecHeight,i.codedWidth=n.codecWidth);try{s.decoder.configure(i),s.hasInit=!0}catch(e){gr.debug.log("worker","VideoDecoder configure error",e.code,e)}}},reset(){s.hasInit=!1,s.isEmitInfo=!1,s.offscreenCanvas=null,s.offscreenCanvasCtx=null}});let cr=function(){if(lr=!0,gr.fetchStatus!==qe||Ut(gr._opt.isChrome)){if(a)try{a.abort(),a=null}catch(e){gr.debug.log("worker","abort catch",e)}}else a=null,gr.debug.log("worker",`abort() and not abortController.abort() _status is ${gr.fetchStatus} and _isChrome is ${gr._opt.isChrome}`)},fr={init(){fr.lastBuf=null,fr.vps=null,fr.sps=null,fr.pps=null,fr.streamType=null,fr.localDts=0,fr.isSendSeqHeader=!1},destroy(){fr.lastBuf=null,fr.vps=null,fr.sps=null,fr.pps=null,fr.streamType=null,fr.localDts=0,fr.isSendSeqHeader=!1},dispatch(e){const t=new Uint8Array(e);fr.extractNALu$2(t)},getNaluDts(){let e=fr.localDts;return fr.localDts=fr.localDts+40,e},getNaluAudioDts(){const e=gr._opt.sampleRate,t=gr._opt.audioBufferSize;return fr.localDts+parseInt(t/e*1e3)},extractNALu(e){let t,r,i=0,n=e.byteLength,s=0,a=[];for(;i<n;)switch(t=e[i++],s){case 0:0===t&&(s=1);break;case 1:s=0===t?2:0;break;case 2:case 3:0===t?s=3:1===t&&i<n?(r&&a.push(e.subarray(r,i-s-1)),r=i,s=0):s=0}return r&&a.push(e.subarray(r,n)),a},extractNALu$2(e){let t=null;if(!e||e.byteLength<1)return;fr.lastBuf?(t=new Uint8Array(e.byteLength+fr.lastBuf.length),t.set(fr.lastBuf),t.set(new Uint8Array(e),fr.lastBuf.length)):t=new Uint8Array(e);let r=0,i=-1,n=-2;const s=new Array;for(let e=0;e<t.length;e+=2){const r=t[e],a=t[e+1];0==i&&0==r&&0==a?s.push(e-1):1==a&&0==r&&0==i&&0==n&&s.push(e-2),n=r,i=a}if(s.length>1)for(let e=0;e<s.length-1;++e){const i=t.subarray(s[e],s[e+1]+1);fr.handleNALu(i),r=s[e+1]}else r=s[0];if(0!=r&&r<t.length)fr.lastBuf=t.subarray(r);else{fr.lastBuf||(fr.lastBuf=t);const r=new Uint8Array(fr.lastBuf.length+e.byteLength);r.set(fr.lastBuf),r.set(new Uint8Array(e),fr.lastBuf.length),fr.lastBuf=r}},handleNALu(e){e.byteLength<=4?gr.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),fr.handleVideoNalu(e))},handleVideoNalu(e){if(fr.streamType||(fr.streamType=function(e){let t=null,r=31&e[0];return r!==Ce.sps&&r!==Ce.pps||(t=Te.h264),t||(r=(126&e[0])>>1,r!==De.vps&&r!==De.sps&&r!==De.pps||(t=Te.h265)),t}(e),ar=fr.streamType===Te.h265),fr.streamType===Te.h264){const t=fr.handleAddNaluStartCode(e),r=fr.extractNALu(t);if(0===r.length)return void gr.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=Rt(e);t===Ce.pps||t===Ce.sps?fr.handleVideoH264Nalu(e):zt(t)&&i.push(e)})),1===i.length)fr.handleVideoH264Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=Rt(e[0]);for(let r=1;r<e.length;r++)if(t!==Rt(e[r]))return!1;return!0}(i);if(e){const e=Rt(i[0]),t=Ot(e);fr.handleVideoH264NaluList(i,t,e)}else i.forEach((e=>{fr.handleVideoH264Nalu(e)}))}}else if(fr.streamType===Te.h265)if(gr._opt.nakedFlowH265DemuxUseNew){const t=fr.handleAddNaluStartCode(e),r=fr.extractNALu(t);if(0===r.length)return void gr.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=er(e);t===De.pps||t===De.sps||t===De.vps?fr.handleVideoH265Nalu(e):tr(t)&&i.push(e)})),1===i.length)fr.handleVideoH265Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=er(e[0]);for(let r=1;r<e.length;r++)if(t!==er(e[r]))return!1;return!0}(i);if(e){const e=er(i[0]),t=rr(e);fr.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{fr.handleVideoH265Nalu(e)}))}}else{er(e)===De.pps?fr.extractH265PPS(e):fr.handleVideoH265Nalu(e)}},extractH264PPS(e){const t=fr.handleAddNaluStartCode(e);fr.extractNALu(t).forEach((e=>{Nt(Rt(e))?fr.extractH264SEI(e):fr.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=fr.handleAddNaluStartCode(e);fr.extractNALu(t).forEach((e=>{const t=er(e);t===De.sei?fr.extractH265SEI(e):fr.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=fr.handleAddNaluStartCode(e);fr.extractNALu(t).forEach((e=>{fr.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=fr.handleAddNaluStartCode(e);fr.extractNALu(t).forEach((e=>{fr.handleVideoH265Nalu(e)}))},handleAddNaluStartCode(e){const t=[0,0,0,1],r=new Uint8Array(e.length+t.length);return r.set(t),r.set(e,t.length),r},handleVideoH264Nalu(e){const t=Rt(e);switch(t){case Ce.sps:fr.sps=e;break;case Ce.pps:fr.pps=e}if(fr.isSendSeqHeader){if(fr.sps&&fr.pps){const e=Lt({sps:fr.sps,pps:fr.pps}),t=fr.getNaluDts();gr.decode(e,{type:ee,ts:t,isIFrame:!0,cts:0}),fr.sps=null,fr.pps=null}if(zt(t)){const r=Ot(t),i=fr.getNaluDts(),n=function(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);fr.doDecode(n,{type:ee,ts:i,isIFrame:r,cts:0})}else gr.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(fr.sps&&fr.pps){fr.isSendSeqHeader=!0;const e=Lt({sps:fr.sps,pps:fr.pps});gr.decode(e,{type:ee,ts:0,isIFrame:!0,cts:0}),fr.sps=null,fr.pps=null}},handleVideoH264NaluList(e,t,r){if(fr.isSendSeqHeader){const i=fr.getNaluDts(),n=Mt(e.reduce(((e,t)=>{const r=ht(e),i=ht(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);fr.doDecode(n,{type:ee,ts:i,isIFrame:t,cts:0}),gr.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${n.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else gr.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=er(e);switch(t){case De.vps:fr.vps=e;break;case De.sps:fr.sps=e;break;case De.pps:fr.pps=e}if(fr.isSendSeqHeader){if(fr.vps&&fr.sps&&fr.pps){const e=Jt({vps:fr.vps,sps:fr.sps,pps:fr.pps}),t=fr.getNaluDts();gr.decode(e,{type:ee,ts:t,isIFrame:!0,cts:0}),fr.vps=null,fr.sps=null,fr.pps=null}if(tr(t)){const r=rr(t),i=fr.getNaluDts(),n=function(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);fr.doDecode(n,{type:ee,ts:i,isIFrame:r,cts:0})}else gr.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(fr.vps&&fr.sps&&fr.pps){fr.isSendSeqHeader=!0;const e=Jt({vps:fr.vps,sps:fr.sps,pps:fr.pps});gr.decode(e,{type:ee,ts:0,isIFrame:!0,cts:0}),fr.vps=null,fr.sps=null,fr.pps=null}},handleVideoH265NaluList(e,t,r){if(fr.isSendSeqHeader){const i=fr.getNaluDts(),n=Qt(e.reduce(((e,t)=>{const r=ht(e),i=ht(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);fr.doDecode(n,{type:ee,ts:i,isIFrame:t,cts:0}),gr.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${n.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else gr.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){gr.calcNetworkDelay(t.ts),t.isIFrame&&gr.calcIframeIntervalTimestamp(t.ts),gr.decode(e,t)}},hr={LOG_NAME:"worker fmp4Demuxer",mp4Box:Nr.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){hr.mp4Box.onReady=hr.onReady,hr.mp4Box.onError=hr.onError,hr.mp4Box.onSamples=hr.onSamples},initTransportDescarmber(){hr.transportDescarmber=new Gr},_getSeqHeader(e){const t=hr.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new Nr.DataStream(void 0,0,Nr.DataStream.BIG_ENDIAN);let r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(hr.isHevc=!0,ar=!0,e.hvcC.write(t),r=[28,0,0,0,0]);const i=new Uint8Array(t.buffer,8),n=new Uint8Array(r.length+i.length);return n.set(r,0),n.set(i,r.length),n}return null},onReady(e){gr.debug.log(hr.LOG_NAME,"onReady()");const t=e.videoTracks[0],r=e.audioTracks[0];if(t){hr.videoTrackId=t.id;const e=hr._getSeqHeader(t);e&&(gr.debug.log(hr.LOG_NAME,"seqHeader"),gr.decodeVideo(e,0,!0,0)),hr.mp4Box.setExtractionOptions(t.id)}if(r&&gr._opt.hasAudio){hr.audioTrackId=r.id;const e=r.audio||{},t=dt.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");hr.mp4Box.setExtractionOptions(r.id);const n=it({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});gr.debug.log(hr.LOG_NAME,"aacADTSHeader"),gr.decodeAudio(n,0)}hr.mp4Box.start()},onError(e){gr.debug.error(hr.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===hr.videoTrackId)for(const t of r){const r=t.data,i=t.is_sync,n=1e3*t.cts/t.timescale;t.duration,t.timescale,i&&gr.calcIframeIntervalTimestamp(n);let s=null;s=hr.isHevc?Qt(r,i):Mt(r,i),gr.decode(s,{type:ee,ts:n,isIFrame:i,cts:0}),hr.mp4Box.releaseUsedSamples(e,t.number)}else if(e===hr.audioTrackId){if(gr._opt.hasAudio)for(const t of r){const r=t.data,i=1e3*t.cts/t.timescale;t.duration,t.timescale;const n=new Uint8Array(r.byteLength+2);n.set([175,1],0),n.set(r,2),gr.decode(n,{type:Q,ts:i,isIFrame:!1,cts:0}),hr.mp4Box.releaseUsedSamples(e,t.number)}}else gr.debug.warn(hr.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(hr.transportDescarmber&&(t=hr.transportDescarmber.transport(t)),t.buffer.fileStart=hr.offset,hr.offset+=t.byteLength,hr.mp4Box.appendBuffer(t.buffer)):gr.debug.warn(hr.LOG_NAME,"dispatch()","data is not object",e):gr.debug.warn(hr.LOG_NAME,"dispatch()","data is string",e)},destroy(){hr.mp4Box&&(hr.mp4Box.flush(),hr.mp4Box=null),hr.transportDescarmber&&(hr.transportDescarmber.destroy(),hr.transportDescarmber=null),hr.offset=0,hr.videoTrackId=null,hr.audioTrackId=null,hr.isHevc=!1}},pr={LOG_NAME:"worker mpeg4Demuxer",lastBuffer:new Uint8Array(0),parsedOffset:0,firstStartCodeOffset:0,secondStartCodeOffset:0,state:"init",hasInitVideoCodec:!1,localDts:0,dispatch(e){const t=new Uint8Array(e);pr.extractNALu(t)},destroy(){pr.lastBuffer=new Uint8Array(0),pr.parsedOffset=0,pr.firstStartCodeOffset=0,pr.secondStartCodeOffset=0,pr.state="init",pr.hasInitVideoCodec=!1,pr.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void gr.debug.warn(pr.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(pr.lastBuffer.length+e.length);for(t.set(pr.lastBuffer,0),t.set(new Uint8Array(e),pr.lastBuffer.length),pr.lastBuffer=t;;){if("init"===pr.state){let e=!1;for(;pr.lastBuffer.length-pr.parsedOffset>=4;)if(0===pr.lastBuffer[pr.parsedOffset])if(0===pr.lastBuffer[pr.parsedOffset+1])if(1===pr.lastBuffer[pr.parsedOffset+2]){if(182===pr.lastBuffer[pr.parsedOffset+3]){pr.state="findFirstStartCode",pr.firstStartCodeOffset=pr.parsedOffset,pr.parsedOffset+=4,e=!0;break}pr.parsedOffset++}else pr.parsedOffset++;else pr.parsedOffset++;else pr.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===pr.state){let e=!1;for(;pr.lastBuffer.length-pr.parsedOffset>=4;)if(0===pr.lastBuffer[pr.parsedOffset])if(0===pr.lastBuffer[pr.parsedOffset+1])if(1===pr.lastBuffer[pr.parsedOffset+2]){if(182===pr.lastBuffer[pr.parsedOffset+3]){pr.state="findSecondStartCode",pr.secondStartCodeOffset=pr.parsedOffset,pr.parsedOffset+=4,e=!0;break}pr.parsedOffset++}else pr.parsedOffset++;else pr.parsedOffset++;else pr.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===pr.state){if(!(pr.lastBuffer.length-pr.parsedOffset>0))break;{let e,t,r=192&pr.lastBuffer[pr.parsedOffset];e=0==r?pr.secondStartCodeOffset-14:pr.secondStartCodeOffset;let i=0==(192&pr.lastBuffer[pr.firstStartCodeOffset+4]);if(i){if(pr.firstStartCodeOffset-14<0)return void gr.debug.warn(pr.LOG_NAME,"firstStartCodeOffset -14 is",pr.firstStartCodeOffset-14);pr.hasInitVideoCodec||(pr.hasInitVideoCodec=!0,gr.debug.log(pr.LOG_NAME,"setCodec"),br.setCodec(Be,"")),t=pr.lastBuffer.subarray(pr.firstStartCodeOffset-14,e)}else t=pr.lastBuffer.subarray(pr.firstStartCodeOffset,e);let n=pr.getNaluDts();pr.hasInitVideoCodec?(postMessage({cmd:L,type:ge,value:t.byteLength}),postMessage({cmd:L,type:ye,value:n}),br.decode(t,i?1:0,n)):gr.debug.warn(pr.LOG_NAME,"has not init video codec"),pr.lastBuffer=pr.lastBuffer.subarray(e),pr.firstStartCodeOffset=0==r?14:0,pr.parsedOffset=pr.firstStartCodeOffset+4,pr.state="findFirstStartCode"}}}},getNaluDts(){let e=pr.localDts;return pr.localDts=pr.localDts+40,e}},mr={TAG_NAME:"worker TsLoaderV2",first_parse_:!0,tsPacketSize:0,syncOffset:0,pmt_:null,config_:null,media_info_:new Bi,timescale_:90,duration_:0,pat_:{version_number:0,network_pid:0,program_map_pid:{}},current_program_:null,current_pmt_pid_:-1,program_pmt_map_:{},pes_slice_queues_:{},section_slice_queues_:{},video_metadata_:{vps:null,sps:null,pps:null,details:null},audio_metadata_:{codec:null,audio_object_type:null,sampling_freq_index:null,sampling_frequency:null,channel_config:null},last_pcr_:null,audio_last_sample_pts_:void 0,aac_last_incomplete_data_:null,has_video_:!1,has_audio_:!1,video_init_segment_dispatched_:!1,audio_init_segment_dispatched_:!1,video_metadata_changed_:!1,audio_metadata_changed_:!1,loas_previous_frame:null,video_track_:{type:"video",id:1,sequenceNumber:0,samples:[],length:0},audio_track_:{type:"audio",id:2,sequenceNumber:0,samples:[],length:0},_remainingPacketData:null,init(){},destroy(){mr.media_info_=null,mr.pes_slice_queues_=null,mr.section_slice_queues_=null,mr.video_metadata_=null,mr.audio_metadata_=null,mr.aac_last_incomplete_data_=null,mr.video_track_=null,mr.audio_track_=null,mr._remainingPacketData=null},probe(e){let t=new Uint8Array(e),r=-1,i=188;if(t.byteLength<=3*i)return{needMoreData:!0};for(;-1===r;){let e=Math.min(1e3,t.byteLength-3*i);for(let n=0;n<e;){if(71===t[n]&&71===t[n+i]&&71===t[n+2*i]){r=n;break}n++}if(-1===r)if(188===i)i=192;else{if(192!==i)break;i=204}}return-1===r?{match:!1}:(192===i&&r>=4&&(r-=4),{match:!0,consumed:0,ts_packet_size:i,sync_offset:r})},_initPmt:()=>({program_number:0,version_number:0,pcr_pid:0,pid_stream_type:{},common_pids:{h264:void 0,h265:void 0,adts_aac:void 0,loas_aac:void 0,opus:void 0,ac3:void 0,eac3:void 0,mp3:void 0},pes_private_data_pids:{},timed_id3_pids:{},synchronous_klv_pids:{},asynchronous_klv_pids:{},scte_35_pids:{},smpte2038_pids:{}}),dispatch(e){mr._remainingPacketData&&(e=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];if((t=t.filter(Boolean)).length<2)return t[0];const i=new Uint8Array(t.reduce(((e,t)=>e+t.byteLength),0));let n=0;return t.forEach((e=>{i.set(e,n),n+=e.byteLength})),i}(mr._remainingPacketData,e),mr._remainingPacketData=null);let t=e.buffer;const r=mr.parseChunks(t);r?mr._remainingPacketData=e.subarray(r):e.length<this.tsPacketSize&&(mr._remainingPacketData=e)},parseChunks(e){let t=0;if(mr.first_parse_){mr.first_parse_=!1;const r=mr.probe(e);r.match&&(mr.tsPacketSize=r.ts_packet_size,mr.syncOffset=r.sync_offset),t=mr.syncOffset,gr.debug.log(mr.TAG_NAME,`isFirstDispatch and tsPacketSize = ${mr.tsPacketSize}, syncOffset = ${mr.syncOffset}`)}for(;t+mr.tsPacketSize<=e.byteLength;){192===mr.tsPacketSize&&(t+=4);const r=new Uint8Array(e,t,188);let i=r[0];if(71!==i){gr.debug.warn(mr.TAG_NAME,`sync_byte = ${i}, not 0x47`);break}let n=(64&r[1])>>>6;r[1];let s=(31&r[1])<<8|r[2],a=(48&r[3])>>>4,o=15&r[3],d=!(!mr.pmt_||mr.pmt_.pcr_pid!==s),l={},u=4;if(2==a||3==a){let e=r[4];if(e>0&&(d||3==a)){if(l.discontinuity_indicator=(128&r[5])>>>7,l.random_access_indicator=(64&r[5])>>>6,l.elementary_stream_priority_indicator=(32&r[5])>>>5,(16&r[5])>>>4){let e=300*(r[6]<<25|r[7]<<17|r[8]<<9|r[9]<<1|r[10]>>>7)+((1&r[10])<<8|r[11]);mr.last_pcr_=e}}if(2==a||5+e===188){t+=188,204===mr.tsPacketSize&&(t+=16);continue}u=5+e}if(1==a||3==a)if(0===s||s===mr.current_pmt_pid_||null!=mr.pmt_&&mr.pmt_.pid_stream_type[s]===vi){let r=188-u;mr.handleSectionSlice(e,t+u,r,{pid:s,payload_unit_start_indicator:n,continuity_conunter:o,random_access_indicator:l.random_access_indicator})}else if(null!=mr.pmt_&&null!=mr.pmt_.pid_stream_type[s]){let r=188-u,i=mr.pmt_.pid_stream_type[s];s!==mr.pmt_.common_pids.h264&&s!==mr.pmt_.common_pids.h265&&s!==mr.pmt_.common_pids.adts_aac&&s!==mr.pmt_.common_pids.loas_aac&&s!==mr.pmt_.common_pids.ac3&&s!==mr.pmt_.common_pids.eac3&&s!==mr.pmt_.common_pids.opus&&s!==mr.pmt_.common_pids.mp3&&!0!==mr.pmt_.pes_private_data_pids[s]&&!0!==mr.pmt_.timed_id3_pids[s]&&!0!==mr.pmt_.synchronous_klv_pids[s]&&!0!==mr.pmt_.asynchronous_klv_pids[s]||mr.handlePESSlice(e,t+u,r,{pid:s,stream_type:i,payload_unit_start_indicator:n,continuity_conunter:o,random_access_indicator:l.random_access_indicator})}t+=188,204===mr.tsPacketSize&&(t+=16)}return mr.dispatchAudioVideoMediaSegment(),t},handleSectionSlice(e,t,r,i){let n=new Uint8Array(e,t,r),s=mr.section_slice_queues_[i.pid];if(i.payload_unit_start_indicator){let a=n[0];if(null!=s&&0!==s.total_length){let n=new Uint8Array(e,t+1,Math.min(r,a));s.slices.push(n),s.total_length+=n.byteLength,s.total_length===s.expected_length?mr.emitSectionSlices(s,i):mr.clearSlices(s,i)}for(let o=1+a;o<n.byteLength;){if(255===n[o+0])break;let a=(15&n[o+1])<<8|n[o+2];mr.section_slice_queues_[i.pid]=new Ei,s=mr.section_slice_queues_[i.pid],s.expected_length=a+3,s.random_access_indicator=i.random_access_indicator;let d=new Uint8Array(e,t+o,Math.min(r-o,s.expected_length-s.total_length));s.slices.push(d),s.total_length+=d.byteLength,s.total_length===s.expected_length?mr.emitSectionSlices(s,i):s.total_length>=s.expected_length&&mr.clearSlices(s,i),o+=d.byteLength}}else if(null!=s&&0!==s.total_length){let n=new Uint8Array(e,t,Math.min(r,s.expected_length-s.total_length));s.slices.push(n),s.total_length+=n.byteLength,s.total_length===s.expected_length?mr.emitSectionSlices(s,i):s.total_length>=s.expected_length&&mr.clearSlices(s,i)}},handlePESSlice(e,t,r,i){let n=new Uint8Array(e,t,r),s=n[0]<<16|n[1]<<8|n[2];n[3];let a=n[4]<<8|n[5];if(i.payload_unit_start_indicator){if(1!==s)return void gr.debug.warn(mr.TAG_NAME,`handlePESSlice: packet_start_code_prefix should be 1 but with value ${s}`);let e=mr.pes_slice_queues_[i.pid];e&&(0===e.expected_length||e.expected_length===e.total_length?mr.emitPESSlices(e,i):mr.clearSlices(e,i)),mr.pes_slice_queues_[i.pid]=new Ei,mr.pes_slice_queues_[i.pid].random_access_indicator=i.random_access_indicator}if(null==mr.pes_slice_queues_[i.pid])return;let o=mr.pes_slice_queues_[i.pid];o.slices.push(n),i.payload_unit_start_indicator&&(o.expected_length=0===a?0:a+6),o.total_length+=n.byteLength,o.expected_length>0&&o.expected_length===o.total_length?mr.emitPESSlices(o,i):o.expected_length>0&&o.expected_length<o.total_length&&mr.clearSlices(o,i)},emitSectionSlices(e,t){let r=new Uint8Array(e.total_length);for(let t=0,i=0;t<e.slices.length;t++){let n=e.slices[t];r.set(n,i),i+=n.byteLength}e.slices=[],e.expected_length=-1,e.total_length=0;let i={};i.pid=t.pid,i.data=r,i.file_position=e.file_position,i.random_access_indicator=e.random_access_indicator,mr.parseSection(i)},emitPESSlices(e,t){let r=new Uint8Array(e.total_length);for(let t=0,i=0;t<e.slices.length;t++){let n=e.slices[t];r.set(n,i),i+=n.byteLength}e.slices=[],e.expected_length=-1,e.total_length=0;let i=new Ai;i.pid=t.pid,i.data=r,i.stream_type=t.stream_type,i.random_access_indicator=e.random_access_indicator,mr.parsePES(i)},clearSlices(e){e.slices=[],e.expected_length=-1,e.total_length=0},parseSection(e){let t=e.data,r=e.pid;0===r?mr.parsePAT(t):r===mr.current_pmt_pid_?mr.parsePMT(t):null!=mr.pmt_&&mr.pmt_.scte_35_pids[r]},parsePES(e){let t=e.data,r=t[0]<<16|t[1]<<8|t[2],i=t[3],n=t[4]<<8|t[5];if(1===r){if(188!==i&&190!==i&&191!==i&&240!==i&&241!==i&&255!==i&&242!==i&&248!==i){t[6];let r,s,a=(192&t[7])>>>6,o=t[8];2!==a&&3!==a||(r=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2,s=3===a?536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2:r);let d,l=9+o;if(0!==n){if(n<3+o)return void gr.debug.warn(mr.TAG_NAME,"Malformed PES: PES_packet_length < 3 + PES_header_data_length");d=n-3-o}else d=t.byteLength-l;let u=t.subarray(l,l+d);switch(e.stream_type){case fi:case hi:mr.parseMP3Payload(u,r);break;case pi:mr.pmt_.common_pids.opus===e.pid||mr.pmt_.common_pids.ac3===e.pid||mr.pmt_.common_pids.eac3===e.pid||(mr.pmt_.asynchronous_klv_pids[e.pid]?mr.parseAsynchronousKLVMetadataPayload(u,e.pid,i):mr.pmt_.smpte2038_pids[e.pid]?mr.parseSMPTE2038MetadataPayload(u,r,s,e.pid,i):mr.parsePESPrivateDataPayload(u,r,s,e.pid,i));break;case mi:mr.parseADTSAACPayload(u,r);break;case _i:mr.parseLOASAACPayload(u,r);break;case gi:case yi:break;case bi:mr.pmt_.timed_id3_pids[e.pid]?mr.parseTimedID3MetadataPayload(u,r,s,e.pid,i):mr.pmt_.synchronous_klv_pids[e.pid]&&mr.parseSynchronousKLVMetadataPayload(u,r,s,e.pid,i);break;case wi:mr.parseH264Payload(u,r,s,e.random_access_indicator);break;case Si:mr.parseH265Payload(u,r,s,e.random_access_indicator)}}else if((188===i||191===i||240===i||241===i||255===i||242===i||248===i)&&e.stream_type===pi){let r,s=6;r=0!==n?n:t.byteLength-s;let a=t.subarray(s,s+r);mr.parsePESPrivateDataPayload(a,void 0,void 0,e.pid,i)}}else gr.debug.error(mr.TAG_NAME,`parsePES: packet_start_code_prefix should be 1 but with value ${r}`)},parsePAT(e){let t=e[0];if(0!==t)return void Log.e(mr.TAG,`parsePAT: table_id ${t} is not corresponded to PAT!`);let r=(15&e[1])<<8|e[2];e[3],e[4];let i=(62&e[5])>>>1,n=1&e[5],s=e[6];e[7];let a=null;if(1===n&&0===s)a={version_number:0,network_pid:0,program_pmt_pid:{}},a.version_number=i;else if(a=mr.pat_,null==a)return;let o=r-5-4,d=-1,l=-1;for(let t=8;t<8+o;t+=4){let r=e[t]<<8|e[t+1],i=(31&e[t+2])<<8|e[t+3];0===r?a.network_pid=i:(a.program_pmt_pid[r]=i,-1===d&&(d=r),-1===l&&(l=i))}1===n&&0===s&&(null==mr.pat_&&gr.debug.log(mr.TAG_NAME,`Parsed first PAT: ${JSON.stringify(a)}`),mr.pat_=a,mr.current_program_=d,mr.current_pmt_pid_=l)},parsePMT(e){let t=e[0];if(2!==t)return void gr.debug.error(mr.TAG_NAME,`parsePMT: table_id ${t} is not corresponded to PMT!`);let r,i=(15&e[1])<<8|e[2],n=e[3]<<8|e[4],s=(62&e[5])>>>1,a=1&e[5],o=e[6];if(e[7],1===a&&0===o)r=mr._initPmt(),r.program_number=n,r.version_number=s,mr.program_pmt_map_[n]=r;else if(r=mr.program_pmt_map_[n],null==r)return;r.pcr_pid=(31&e[8])<<8|e[9];let d=(15&e[10])<<8|e[11],l=12+d,u=i-9-d-4;for(let t=l;t<l+u;){let i=e[t],n=(31&e[t+1])<<8|e[t+2],s=(15&e[t+3])<<8|e[t+4];r.pid_stream_type[n]=i;let a=r.common_pids.h264||r.common_pids.h265,o=r.common_pids.adts_aac||r.common_pids.loas_aac||r.common_pids.ac3||r.common_pids.eac3||r.common_pids.opus||r.common_pids.mp3;if(i!==wi||a)if(i!==Si||a)if(i!==mi||o)if(i!==_i||o)if(i!==gi||o)if(i!==yi||o)if(i!==fi&&i!==hi||o)if(i===pi){if(r.pes_private_data_pids[n]=!0,s>0){for(let i=t+5;i<t+5+s;){let t=e[i+0],s=e[i+1];if(5===t){let t=String.fromCharCode(...Array.from(e.subarray(i+2,i+2+s)));"VANC"===t?r.smpte2038_pids[n]=!0:"Opus"===t?r.common_pids.opus=n:"KLVA"===t&&(r.asynchronous_klv_pids[n]=!0)}else if(127===t&&n===r.common_pids.opus){let t=null;if(128===e[i+2]&&(t=e[i+3]),null==t){Log.e(mr.TAG,"Not Supported Opus channel count.");continue}const r={codec:"opus",channel_count:0==(15&t)?2:15&t,channel_config_code:t,sample_rate:48e3},n={codec:"opus",meta:r};0==mr.audio_init_segment_dispatched_?(mr.audio_metadata_=r,mr.dispatchAudioInitSegment(n)):mr.detectAudioMetadataChange(n)&&(mr.dispatchAudioMediaSegment(),mr.dispatchAudioInitSegment(n))}i+=2+s}e.subarray(t+5,t+5+s)}}else if(i===bi){if(s>0)for(let i=t+5;i<t+5+s;){let t=e[i+0],s=e[i+1];if(38===t){let t=e[i+2]<<8|e[i+3]<<0,s=null;65535===t&&(s=String.fromCharCode(...Array.from(e.subarray(i+4,i+4+4))));let a=null;if(255===e[i+4+(65535===t?4:0)]){let r=4+(65535===t?4:0)+1;a=String.fromCharCode(...Array.from(e.subarray(i+r,i+r+4)))}"ID3 "===s&&"ID3 "===a?r.timed_id3_pids[n]=!0:"KLVA"===a&&(r.synchronous_klv_pids[n]=!0)}i+=2+s}}else i===vi&&(r.scte_35_pids[n]=!0);else r.common_pids.mp3=n;else r.common_pids.eac3=n;else r.common_pids.ac3=n;else r.common_pids.loas_aac=n;else r.common_pids.adts_aac=n;else r.common_pids.h265=n;else r.common_pids.h264=n;t+=5+s}n===mr.current_program_&&(null==mr.pmt_&&gr.debug.log(mr.TAG_NAME,`Parsed first PMT: ${JSON.stringify(r)}`),mr.pmt_=r,(r.common_pids.h264||r.common_pids.h265)&&(mr.has_video_=!0),(r.common_pids.adts_aac||r.common_pids.loas_aac||r.common_pids.ac3||r.common_pids.opus||r.common_pids.mp3)&&(mr.has_audio_=!0))},parseSCTE35(e){},parseH264Payload(e,t,r,i){let n=new Gt(e),s=null,a=null,o=[],d=0,l=!1;for(;null!=(s=n.readNextNaluPayload());){let e=new $t(s);if(e.type===Ce.kSliceSPS){let t=It.parseSPS$2(s.data);mr.video_init_segment_dispatched_?!0===mr.detectVideoMetadataChange(e,t)&&(gr.debug.log(mr.TAG_NAME,"H264: Critical h264 metadata has been changed, attempt to re-generate InitSegment"),mr.video_metadata_changed_=!0,mr.video_metadata_={vps:void 0,sps:e,pps:void 0,details:t}):(mr.video_metadata_.sps=e,mr.video_metadata_.details=t)}else e.type===Ce.kSlicePPS?mr.video_init_segment_dispatched_&&!mr.video_metadata_changed_||(mr.video_metadata_.pps=e,mr.video_metadata_.sps&&mr.video_metadata_.pps&&(mr.video_metadata_changed_&&mr.dispatchVideoMediaSegment(),mr.dispatchVideoInitSegment())):(e.type===Ce.kSliceIDR||e.type===Ce.kSliceNonIDR&&1===i)&&(l=!0);mr.video_init_segment_dispatched_&&(o.push(e),d+=e.data.byteLength)}let u=Math.floor(t/mr.timescale_),c=Math.floor(r/mr.timescale_);if(o.length){let e=mr.video_track_;for(let e=0;e<o.length;e++){let t=o[e];if(null==a)a=t.data;else{let e=new Uint8Array(a.byteLength+t.data.byteLength);e.set(a,0),e.set(t.data,a.byteLength),a=e}}let t={length:d,isIFrame:l,dts:c,pts:u,cts:u-c,payload:a,type:ee,isHevc:!1};e.samples.push(t),e.length=a.byteLength}},parseH265Payload(e,t,r,i){let n=new ir(e),s=null,a=null,o=[],d=0,l=!1;for(;null!=(s=n.readNextNaluPayload());){let e=new nr(s);if(e.type===De.kSliceVPS){if(!mr.video_init_segment_dispatched_){let t=Yt.parseVPS(s.data);mr.video_metadata_.vps=e,mr.video_metadata_.details={...mr.video_metadata_.details,...t}}}else if(e.type===De.kSliceSPS){let t=Yt.parseSPS(s.data);mr.video_init_segment_dispatched_?!0===mr.detectVideoMetadataChange(e,t)&&(gr.debug.log(mr.TAG_NAME,"H265: Critical h265 metadata has been changed, attempt to re-generate InitSegment"),mr.video_metadata_changed_=!0,mr.video_metadata_={vps:void 0,sps:e,pps:void 0,details:t}):(mr.video_metadata_.sps=e,mr.video_metadata_.details={...mr.video_metadata_.details,...t})}else if(e.type===De.kSlicePPS){if(!mr.video_init_segment_dispatched_||mr.video_metadata_changed_){let t=Yt.parsePPS(s.data);mr.video_metadata_.pps=e,mr.video_metadata_.details={...mr.video_metadata_.details,...t},mr.video_metadata_.vps&&mr.video_metadata_.sps&&mr.video_metadata_.pps&&(mr.video_metadata_changed_&&mr.dispatchVideoMediaSegment(),mr.dispatchVideoInitSegment())}}else e.type!==De.kSliceIDR_W_RADL&&e.type!==De.kSliceIDR_N_LP&&e.type!==De.kSliceCRA_NUT||(l=!0);mr.video_init_segment_dispatched_&&(o.push(e),d+=e.data.byteLength)}let u=Math.floor(t/mr.timescale_),c=Math.floor(r/mr.timescale_);if(o.length){let e=mr.video_track_;for(let e=0;e<o.length;e++){let t=o[e];if(null==a)a=t.data;else{let e=new Uint8Array(a.byteLength+t.data.byteLength);e.set(a,0),e.set(t.data,a.byteLength),a=e}}let t={type:ee,length:d,isIFrame:l,dts:c,pts:u,cts:u-c,payload:a,isHevc:!0};e.samples.push(t),e.length=a.byteLength}},detectVideoMetadataChange(e,t){if(t.codec_mimetype!==mr.video_metadata_.details.codec_mimetype)return gr.debug.log(mr.TAG_NAME,`Video: Codec mimeType changed from ${mr.video_metadata_.details.codec_mimetype} to ${t.codec_mimetype}`),!0;if(t.codec_size.width!==mr.video_metadata_.details.codec_size.width||t.codec_size.height!==mr.video_metadata_.details.codec_size.height){let e=mr.video_metadata_.details.codec_size,r=t.codec_size;return gr.debug.log(mr.TAG_NAME,`Video: Coded Resolution changed from ${e.width}x${e.height} to ${r.width}x${r.height}`),!0}return t.present_size.width!==mr.video_metadata_.details.present_size.width&&(gr.debug.log(mr.TAG_NAME,`Video: Present resolution width changed from ${mr.video_metadata_.details.present_size.width} to ${t.present_size.width}`),!0)},isInitSegmentDispatched:()=>mr.has_video_&&mr.has_audio_?mr.video_init_segment_dispatched_&&mr.audio_init_segment_dispatched_:mr.has_video_&&!mr.has_audio_?mr.video_init_segment_dispatched_:!(mr.has_video_||!mr.has_audio_)&&mr.audio_init_segment_dispatched_,dispatchVideoInitSegment(){let e=mr.video_metadata_.details,t={type:"video"};t.id=mr.video_track_.id,t.timescale=1e3,t.duration=mr.duration_,t.codecWidth=e.codec_size.width,t.codecHeight=e.codec_size.height,t.presentWidth=e.present_size.width,t.presentHeight=e.present_size.height,t.profile=e.profile_string,t.level=e.level_string,t.bitDepth=e.bit_depth,t.chromaFormat=e.chroma_format,t.sarRatio=e.sar_ratio,t.frameRate=e.frame_rate;let r=t.frameRate.fps_den,i=t.frameRate.fps_num;if(t.refSampleDuration=r/i*1e3,t.codec=e.codec_mimetype,mr.video_metadata_.vps){let e=mr.video_metadata_.vps.data.subarray(4),r=mr.video_metadata_.sps.data.subarray(4),i=mr.video_metadata_.pps.data.subarray(4);t.hvcc=Jt({vps:e,sps:r,pps:i}),0==mr.video_init_segment_dispatched_&&gr.debug.log(mr.TAG_NAME,`Generated first HEVCDecoderConfigurationRecord for mimeType: ${t.codec}`),t.hvcc&&gr.decodeVideo(t.hvcc,0,!0,0)}else{let e=mr.video_metadata_.sps.data.subarray(4),r=mr.video_metadata_.pps.data.subarray(4);t.avcc=function(e){let{sps:t,pps:r}=e,i=8+t.byteLength+1+2+r.byteLength,n=!1;const s=It.parseSPS$2(t);66!==t[3]&&77!==t[3]&&88!==t[3]&&(n=!0,i+=4);let a=new Uint8Array(i);a[0]=1,a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=255,a[5]=225;let o=t.byteLength;a[6]=o>>>8,a[7]=255&o;let d=8;a.set(t,8),d+=o,a[d]=1;let l=r.byteLength;a[d+1]=l>>>8,a[d+2]=255&l,a.set(r,d+3),d+=3+l,n&&(a[d]=252|s.chroma_format_idc,a[d+1]=248|s.bit_depth_luma-8,a[d+2]=248|s.bit_depth_chroma-8,a[d+3]=0,d+=4);const u=[23,0,0,0,0],c=new Uint8Array(u.length+a.byteLength);return c.set(u,0),c.set(a,u.length),c}({sps:e,pps:r}),0==mr.video_init_segment_dispatched_&&gr.debug.log(mr.TAG_NAME,`Generated first AVCDecoderConfigurationRecord for mimeType: ${t.codec}`),t.avcc&&gr.decodeVideo(t.avcc,0,!0,0)}mr.video_init_segment_dispatched_=!0,mr.video_metadata_changed_=!1;let n=mr.media_info_;n.hasVideo=!0,n.width=t.codecWidth,n.height=t.codecHeight,n.fps=t.frameRate.fps,n.profile=t.profile,n.level=t.level,n.refFrames=e.ref_frames,n.chromaFormat=e.chroma_format_string,n.sarNum=t.sarRatio.width,n.sarDen=t.sarRatio.height,n.videoCodec=t.codec,n.hasAudio&&n.audioCodec?n.mimeType=`video/mp2t; codecs="${n.videoCodec},${n.audioCodec}"`:n.mimeType=`video/mp2t; codecs="${n.videoCodec}"`},dispatchVideoMediaSegment(){mr.isInitSegmentDispatched()&&mr.video_track_.length&&mr._preDoDecode()},dispatchAudioMediaSegment(){mr.isInitSegmentDispatched()&&mr.audio_track_.length&&mr._preDoDecode()},dispatchAudioVideoMediaSegment(){mr.isInitSegmentDispatched()&&(mr.audio_track_.length||mr.video_track_.length)&&mr._preDoDecode()},parseADTSAACPayload(e,t){if(mr.has_video_&&!mr.video_init_segment_dispatched_)return;if(mr.aac_last_incomplete_data_){let t=new Uint8Array(e.byteLength+mr.aac_last_incomplete_data_.byteLength);t.set(mr.aac_last_incomplete_data_,0),t.set(e,mr.aac_last_incomplete_data_.byteLength),e=t}let r,i;if(null!=t&&(i=t/mr.timescale_),"aac"===mr.audio_metadata_.codec){if(null==t&&null!=mr.audio_last_sample_pts_)r=1024/mr.audio_metadata_.sampling_frequency*1e3,i=mr.audio_last_sample_pts_+r;else if(null==t)return void gr.debug.warn(mr.TAG_NAME,"AAC: Unknown pts");if(mr.aac_last_incomplete_data_&&mr.audio_last_sample_pts_){r=1024/mr.audio_metadata_.sampling_frequency*1e3;let e=mr.audio_last_sample_pts_+r;Math.abs(e-i)>1&&(gr.debug.warn(mr.TAG_NAME,`AAC: Detected pts overlapped, expected: ${e}ms, PES pts: ${i}ms`),i=e)}}let n,s=new ut(e),a=null,o=i;for(;null!=(a=s.readNextAACFrame());){r=1024/a.sampling_frequency*1e3;const e={codec:"aac",data:a};0==mr.audio_init_segment_dispatched_?(mr.audio_metadata_={codec:"aac",audio_object_type:a.audio_object_type,sampling_freq_index:a.sampling_freq_index,sampling_frequency:a.sampling_frequency,channel_config:a.channel_config},mr.dispatchAudioInitSegment(e)):mr.detectAudioMetadataChange(e)&&(mr.dispatchAudioMediaSegment(),mr.dispatchAudioInitSegment(e)),n=o;let t=Math.floor(o);const i=new Uint8Array(a.data.length+2);i.set([175,1],0),i.set(a.data,2);let s={payload:i,length:i.byteLength,pts:t,dts:t,type:Q};mr.audio_track_.samples.push(s),mr.audio_track_.length+=i.byteLength,o+=r}s.hasIncompleteData()&&(mr.aac_last_incomplete_data_=s.getIncompleteData()),n&&(mr.audio_last_sample_pts_=n)},parseLOASAACPayload(e,t){if(mr.has_video_&&!mr.video_init_segment_dispatched_)return;if(mr.aac_last_incomplete_data_){let t=new Uint8Array(e.byteLength+mr.aac_last_incomplete_data_.byteLength);t.set(mr.aac_last_incomplete_data_,0),t.set(e,mr.aac_last_incomplete_data_.byteLength),e=t}let r,i;if(null!=t&&(i=t/mr.timescale_),"aac"===mr.audio_metadata_.codec){if(null==t&&null!=mr.audio_last_sample_pts_)r=1024/mr.audio_metadata_.sampling_frequency*1e3,i=mr.audio_last_sample_pts_+r;else if(null==t)return void gr.debug.warn(mr.TAG_NAME,"AAC: Unknown pts");if(mr.aac_last_incomplete_data_&&mr.audio_last_sample_pts_){r=1024/mr.audio_metadata_.sampling_frequency*1e3;let e=mr.audio_last_sample_pts_+r;Math.abs(e-i)>1&&(gr.debug.warn(mr.TAG,`AAC: Detected pts overlapped, expected: ${e}ms, PES pts: ${i}ms`),i=e)}}let n,s=new ct(e),a=null,o=i;for(;null!=(a=s.readNextAACFrame(mr.loas_previous_frame??void 0));){mr.loas_previous_frame=a,r=1024/a.sampling_frequency*1e3;const e={codec:"aac",data:a};0==mr.audio_init_segment_dispatched_?(mr.audio_metadata_={codec:"aac",audio_object_type:a.audio_object_type,sampling_freq_index:a.sampling_freq_index,sampling_frequency:a.sampling_frequency,channel_config:a.channel_config},mr.dispatchAudioInitSegment(e)):mr.detectAudioMetadataChange(e)&&(mr.dispatchAudioMediaSegment(),mr.dispatchAudioInitSegment(e)),n=o;let t=Math.floor(o);const i=new Uint8Array(a.data.length+2);i.set([175,1],0),i.set(a.data,2);let s={payload:i,length:i.byteLength,pts:t,dts:t,type:Q};mr.audio_track_.samples.push(s),mr.audio_track_.length+=i.byteLength,o+=r}s.hasIncompleteData()&&(mr.aac_last_incomplete_data_=s.getIncompleteData()),n&&(mr.audio_last_sample_pts_=n)},parseAC3Payload(e,t){},parseEAC3Payload(e,t){},parseOpusPayload(e,t){},parseMP3Payload(e,t){if(mr.has_video_&&!mr.video_init_segment_dispatched_)return;let r=[44100,48e3,32e3,0],i=[22050,24e3,16e3,0],n=[11025,12e3,8e3,0],s=e[1]>>>3&3,a=(6&e[1])>>1;e[2];let o=(12&e[2])>>>2,d=3!==(e[3]>>>6&3)?2:1,l=0,u=34;switch(s){case 0:l=n[o];break;case 2:l=i[o];break;case 3:l=r[o]}switch(a){case 1:u=34;break;case 2:u=33;break;case 3:u=32}const c={};c.object_type=u,c.sample_rate=l,c.channel_count=d,c.data=e;const f={codec:"mp3",data:c};0==mr.audio_init_segment_dispatched_?(mr.audio_metadata_={codec:"mp3",object_type:u,sample_rate:l,channel_count:d},mr.dispatchAudioInitSegment(f)):mr.detectAudioMetadataChange(f)&&(mr.dispatchAudioMediaSegment(),mr.dispatchAudioInitSegment(f));let h={payload:e,length:e.byteLength,pts:t/mr.timescale_,dts:t/mr.timescale_,type:Q};mr.audio_track_.samples.push(h),mr.audio_track_.length+=e.byteLength},detectAudioMetadataChange(e){if(e.codec!==mr.audio_metadata_.codec)return gr.debug.log(mr.TAG_NAME,`Audio: Audio Codecs changed from ${mr.audio_metadata_.codec} to ${e.codec}`),!0;if("aac"===e.codec&&"aac"===mr.audio_metadata_.codec){const t=e.data;if(t.audio_object_type!==mr.audio_metadata_.audio_object_type)return gr.debug.log(mr.TAG_NAME,`AAC: AudioObjectType changed from ${mr.audio_metadata_.audio_object_type} to ${t.audio_object_type}`),!0;if(t.sampling_freq_index!==mr.audio_metadata_.sampling_freq_index)return gr.debug.log(mr.TAG_NAME,`AAC: SamplingFrequencyIndex changed from ${mr.audio_metadata_.sampling_freq_index} to ${t.sampling_freq_index}`),!0;if(t.channel_config!==mr.audio_metadata_.channel_config)return gr.debug.log(mr.TAG_NAME,`AAC: Channel configuration changed from ${mr.audio_metadata_.channel_config} to ${t.channel_config}`),!0}else if("ac-3"===e.codec&&"ac-3"===mr.audio_metadata_.codec){const t=e.data;if(t.sampling_frequency!==mr.audio_metadata_.sampling_frequency)return gr.debug.log(mr.TAG_NAME,`AC3: Sampling Frequency changed from ${mr.audio_metadata_.sampling_frequency} to ${t.sampling_frequency}`),!0;if(t.bit_stream_identification!==mr.audio_metadata_.bit_stream_identification)return gr.debug.log(mr.TAG_NAME,`AC3: Bit Stream Identification changed from ${mr.audio_metadata_.bit_stream_identification} to ${t.bit_stream_identification}`),!0;if(t.bit_stream_mode!==mr.audio_metadata_.bit_stream_mode)return gr.debug.log(mr.TAG_NAME,`AC3: BitStream Mode changed from ${mr.audio_metadata_.bit_stream_mode} to ${t.bit_stream_mode}`),!0;if(t.channel_mode!==mr.audio_metadata_.channel_mode)return gr.debug.log(mr.TAG_NAME,`AC3: Channel Mode changed from ${mr.audio_metadata_.channel_mode} to ${t.channel_mode}`),!0;if(t.low_frequency_effects_channel_on!==mr.audio_metadata_.low_frequency_effects_channel_on)return gr.debug.log(mr.TAG_NAME,`AC3: Low Frequency Effects Channel On changed from ${mr.audio_metadata_.low_frequency_effects_channel_on} to ${t.low_frequency_effects_channel_on}`),!0}else if("opus"===e.codec&&"opus"===mr.audio_metadata_.codec){const t=e.meta;if(t.sample_rate!==mr.audio_metadata_.sample_rate)return gr.debug.log(mr.TAG_NAME,`Opus: SamplingFrequencyIndex changed from ${mr.audio_metadata_.sample_rate} to ${t.sample_rate}`),!0;if(t.channel_count!==mr.audio_metadata_.channel_count)return gr.debug.log(mr.TAG_NAME,`Opus: Channel count changed from ${mr.audio_metadata_.channel_count} to ${t.channel_count}`),!0}else if("mp3"===e.codec&&"mp3"===mr.audio_metadata_.codec){const t=e.data;if(t.object_type!==mr.audio_metadata_.object_type)return gr.debug.log(mr.TAG_NAME,`MP3: AudioObjectType changed from ${mr.audio_metadata_.object_type} to ${t.object_type}`),!0;if(t.sample_rate!==mr.audio_metadata_.sample_rate)return gr.debug.log(mr.TAG_NAME,`MP3: SamplingFrequencyIndex changed from ${mr.audio_metadata_.sample_rate} to ${t.sample_rate}`),!0;if(t.channel_count!==mr.audio_metadata_.channel_count)return gr.debug.log(mr.TAG_NAME,`MP3: Channel count changed from ${mr.audio_metadata_.channel_count} to ${t.channel_count}`),!0}return!1},dispatchAudioInitSegment(e){let t={type:"audio"};if(t.id=mr.audio_track_.id,t.timescale=1e3,t.duration=mr.duration_,"aac"===mr.audio_metadata_.codec){let r="aac"===e.codec?e.data:null,i=new Ti(r);t.audioSampleRate=i.sampling_rate,t.audioSampleRateIndex=i.sampling_index,t.channelCount=i.channel_count,t.codec=i.codec_mimetype,t.originalCodec=i.original_codec_mimetype,t.config=i.config,t.refSampleDuration=1024/t.audioSampleRate*t.timescale;const n=it({profile:gr._opt.mseDecodeAudio?i.object_type:i.original_object_type,sampleRate:t.audioSampleRateIndex,channel:t.channelCount});gr.decodeAudio(n,0)}else"ac-3"===mr.audio_metadata_.codec||"ec-3"===mr.audio_metadata_.codec||"opus"===mr.audio_metadata_.codec||"mp3"===mr.audio_metadata_.codec&&(t.audioSampleRate=mr.audio_metadata_.sample_rate,t.channelCount=mr.audio_metadata_.channel_count,t.codec="mp3",t.originalCodec="mp3",t.config=void 0);0==mr.audio_init_segment_dispatched_&&gr.debug.log(mr.TAG_NAME,`Generated first AudioSpecificConfig for mimeType: ${t.codec}`),mr.audio_init_segment_dispatched_=!0,mr.video_metadata_changed_=!1;let r=mr.media_info_;r.hasAudio=!0,r.audioCodec=t.originalCodec,r.audioSampleRate=t.audioSampleRate,r.audioChannelCount=t.channelCount,r.hasVideo&&r.videoCodec?r.mimeType=`video/mp2t; codecs="${r.videoCodec},${r.audioCodec}"`:r.mimeType=`video/mp2t; codecs="${r.audioCodec}"`},dispatchPESPrivateDataDescriptor(e,t,r){},parsePESPrivateDataPayload(e,t,r,i,n){let s=new Ui;if(s.pid=i,s.stream_id=n,s.len=e.byteLength,s.data=e,null!=t){let e=Math.floor(t/mr.timescale_);s.pts=e}else s.nearest_pts=mr.getNearestTimestampMilliseconds();if(null!=r){let e=Math.floor(r/mr.timescale_);s.dts=e}},parseTimedID3MetadataPayload(e,t,r,i,n){gr.debug.log(mr.TAG_NAME,`Timed ID3 Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${n}`)},parseSynchronousKLVMetadataPayload(e,t,r,i,n){gr.debug.log(mr.TAG_NAME,`Synchronous KLV Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${n}`)},parseAsynchronousKLVMetadataPayload(e,t,r){gr.debug.log(mr.TAG_NAME,`Asynchronous KLV Metadata: pid=${t}, stream_id=${r}`)},parseSMPTE2038MetadataPayload(e,t,r,i,n){gr.debug.log(mr.TAG_NAME,`SMPTE 2038 Metadata: pid=${i}, pts=${t}, dts=${r}, stream_id=${n}`)},getNearestTimestampMilliseconds(){if(null!=mr.audio_last_sample_pts_)return Math.floor(mr.audio_last_sample_pts_);if(null!=mr.last_pcr_){return Math.floor(mr.last_pcr_/300/mr.timescale_)}},_preDoDecode(){const e=mr.video_track_,t=mr.audio_track_;let r=e.samples;t.samples.length>0&&(r=e.samples.concat(t.samples),r=r.sort(((e,t)=>e.dts-t.dts))),r.forEach((e=>{const t=new Uint8Array(e.payload);delete e.payload,e.type===ee?mr._doDecodeVideo({...e,payload:t}):e.type===Q&&mr._doDecodeAudio({...e,payload:t})})),e.samples=[],e.length=0,t.samples=[],t.length=0},_doDecodeVideo(e){const t=new Uint8Array(e.payload);let r=null;r=e.isHevc?Qt(t,e.isIFrame):Mt(t,e.isIFrame),e.isIFrame&&gr.calcIframeIntervalTimestamp(e.dts);let i=gr.cryptoPayload(r,e.isIFrame);gr.decode(i,{type:ee,ts:e.dts,isIFrame:e.isIFrame,cts:e.cts})},_doDecodeAudio(e){const t=new Uint8Array(e.payload);let r=t;At(gr._opt.m7sCryptoAudio)&&(r=gr.cryptoPayloadAudio(t)),gr.decode(r,{type:Q,ts:e.dts,isIFrame:!1,cts:0})}},_r=null;self.Worker&&self.MediaSource&&"canConstructInDedicatedWorker"in self.MediaSource&&!0===self.MediaSource.canConstructInDedicatedWorker&&(_r={TAG_NAME:"worker MediaSource",_resetInIt(){_r.isAvc=null,_r.isAAC=null,_r.videoInfo={},_r.videoMeta={},_r.audioMeta={},_r.sourceBuffer=null,_r.audioSourceBuffer=null,_r.hasInit=!1,_r.hasAudioInit=!1,_r.isAudioInitInfo=!1,_r.videoMimeType="",_r.audioMimeType="",_r.cacheTrack={},_r.cacheAudioTrack={},_r.timeInit=!1,_r.sequenceNumber=0,_r.audioSequenceNumber=0,_r.firstRenderTime=null,_r.firstAudioTime=null,_r.mediaSourceAppendBufferFull=!1,_r.mediaSourceAppendBufferError=!1,_r.mediaSourceAddSourceBufferError=!1,_r.mediaSourceBufferError=!1,_r.mediaSourceError=!1,_r.prevTimestamp=null,_r.decodeDiffTimestamp=null,_r.prevDts=null,_r.prevAudioDts=null,_r.prevPayloadBufferSize=0,_r.isWidthOrHeightChanged=!1,_r.prevTs=null,_r.prevAudioTs=null,_r.eventListenList=[],_r.pendingRemoveRanges=[],_r.pendingSegments=[],_r.pendingAudioRemoveRanges=[],_r.pendingAudioSegments=[],_r.supportVideoFrameCallbackHandle=null,_r.audioSourceBufferCheckTimeout=null,_r.audioSourceNoDataCheckTimeout=null,_r.hasPendingEos=!1,_r.$video={currentTime:0,readyState:0}},init(){_r.events=new ni,_r._resetInIt(),_r.mediaSource=new self.MediaSource,_r.isDecodeFirstIIframe=!!Ut(gr._opt.checkFirstIFrame),_r._bindMediaSourceEvents()},destroy(){_r.stop(),_r._clearAudioSourceBufferCheckTimeout(),_r.eventListenList&&_r.eventListenList.length&&(_r.eventListenList.forEach((e=>e())),_r.eventListenList=[]),_r._resetInIt()},getState:()=>_r.mediaSource&&_r.mediaSource.readyState,isStateOpen:()=>_r.getState()===Me,isStateClosed:()=>_r.getState()===Re,isStateEnded:()=>_r.getState()===Le,_bindMediaSourceEvents(){const{proxy:e}=_r.events,t=e(_r.mediaSource,ze,(()=>{gr.debug.log(_r.TAG_NAME,"sourceOpen"),_r._onMediaSourceSourceOpen()})),r=e(_r.mediaSource,Ne,(()=>{gr.debug.log(_r.TAG_NAME,"sourceClose")})),i=e(_r.mediaSource,Oe,(()=>{gr.debug.log(_r.TAG_NAME,"sourceended")}));_r.eventListenList.push(t,r,i)},_onMediaSourceSourceOpen(){_r.sourceBuffer||(gr.debug.log(_r.TAG_NAME,"onMediaSourceSourceOpen() sourceBuffer is null and next init"),_r._initSourceBuffer()),_r.audioSourceBuffer||(gr.debug.log(_r.TAG_NAME,"onMediaSourceSourceOpen() audioSourceBuffer is null and next init"),_r._initAudioSourceBuffer()),_r._hasPendingSegments()&&_r._doAppendSegments()},decodeVideo(e,t,r,i){if(gr.isDestroyed)gr.debug.warn(_r.TAG_NAME,"decodeVideo() and decoder is destroyed");else if(Ut(_r.hasInit))if(r&&e[1]===He.sequenceHeader){const i=15&e[0];if(i===xe&&Ut(function(){let e=!1;return"MediaSource"in self&&(self.MediaSource.isTypeSupported(Fe.hev)||self.MediaSource.isTypeSupported(Fe.hev2)||self.MediaSource.isTypeSupported(Fe.hev3)||self.MediaSource.isTypeSupported(Fe.hev4)||self.MediaSource.isTypeSupported(Fe.hev5))&&(e=!0),e}()))return void _r.emitError(Ee.mediaSourceH265NotSupport);_r.videoInfo.codec=i,postMessage({cmd:C,code:i});const n=new Uint8Array(e);postMessage({cmd:D,buffer:n,codecId:i},[n.buffer]),_r.hasInit=_r._decodeConfigurationRecord(e,t,r,i)}else gr.debug.warn(_r.TAG_NAME,`decodeVideo has not init , isIframe is ${r} , payload is ${e[1]}`);else if(!_r.isDecodeFirstIIframe&&r&&(_r.isDecodeFirstIIframe=!0),_r.isDecodeFirstIIframe){if(r&&0===e[1]){const t=15&e[0];let r={};if(t===Ue){r=Ft(e.slice(5))}else t===xe&&(r=Kt(e));const i=_r.videoInfo;i&&i.codecWidth&&i.codecWidth&&r&&r.codecWidth&&r.codecHeight&&(r.codecWidth!==i.codecWidth||r.codecHeight!==i.codecWidth)&&(gr.debug.warn(_r.TAG_NAME,`\n decodeVideo: video width or height is changed,\n old width is ${i.codecWidth}, old height is ${i.codecWidth},\n new width is ${r.codecWidth}, new height is ${r.codecHeight},\n and emit change event`),_r.isWidthOrHeightChanged=!0,_r.emitError(Ee.mseWidthOrHeightChange))}if(_r.isWidthOrHeightChanged)return void gr.debug.warn(_r.TAG_NAME,"decodeVideo: video width or height is changed, and return");if(Et(e))return void gr.debug.warn(_r.TAG_NAME,"decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void gr.debug.warn(_r.TAG_NAME,`decodeVideo and payload is too small , payload length is ${e.byteLength}`);let n=t;if(gr.isPlayer){if(null===_r.firstRenderTime&&(_r.firstRenderTime=t,postMessage({cmd:Z,value:_r.firstRenderTime})),n=t-_r.firstRenderTime,n<0&&(gr.debug.warn(_r.TAG_NAME,`decodeVideo\n local dts is < 0 , ts is ${t} and prevTs is ${_r.prevTs},\n firstRenderTime is ${_r.firstRenderTime} and mseCorrectTimeDuration is ${gr._opt.mseCorrectTimeDuration}`),n=null===_r.prevDts?0:_r.prevDts+gr._opt.mseCorrectTimeDuration,_r._checkTsIsMaxDiff(t)))return gr.debug.warn(_r.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${_r.prevTs}, diff is ${_r.prevTs-t}`),void _r.emitError(Ee.mediaSourceTsIsMaxDiff);if(null!==_r.prevDts&&n<=_r.prevDts){if(gr.debug.warn(_r.TAG_NAME,`\n decodeVideo dts is less than(or equal) prev dts ,\n dts is ${n} and prev dts is ${_r.prevDts} ，\n and now ts is ${t} and prev ts is ${_r.prevTs} ，\n and diff is ${t-_r.prevTs} and firstRenderTime is ${_r.firstRenderTime} and isIframe is ${r}，\n and mseCorrectTimeDuration is ${gr._opt.mseCorrectTimeDuration},\n and prevPayloadBufferSize is ${_r.prevPayloadBufferSize} and payload size is ${e.byteLength}`),n===_r.prevDts&&_r.prevPayloadBufferSize===e.byteLength)return void gr.debug.warn(_r.TAG_NAME,"decodeVideo dts is equal to prev dts and payload size is equal to prev payload size so drop this frame");if(n=_r.prevDts+gr._opt.mseCorrectTimeDuration,_r._checkTsIsMaxDiff(t))return gr.debug.warn(_r.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${_r.prevTs}, diff is ${_r.prevTs-t} and emit replay`),void _r.emitError(Ee.mediaSourceTsIsMaxDiff)}}gr.isPlayer?_r._decodeVideo(e,n,r,i,t):gr.isPlayback,_r.prevDts=n,_r.prevPayloadBufferSize=e.byteLength,_r.prevTs=t}else gr.debug.log(_r.TAG_NAME,"decodeVideo first frame is not iFrame")},decodeAudio(e,t){if(gr.isDestroyed)gr.debug.warn(_r.TAG_NAME,"decodeAudio() and decoder is destroyed");else if(Ut(_r.hasAudioInit))_r.hasAudioInit=_r._decodeAudioConfigurationRecord(e,t);else{let r=t;if(nt(e))return void gr.debug.log(_r.TAG_NAME,"decodeAudio and has already initialized and payload is aac codec packet so drop this frame");if(_r._clearAudioNoDataCheckTimeout(),gr.isPlayer){if(null===_r.firstAudioTime&&(_r.firstAudioTime=t,null!==_r.firstRenderTime&&null!==_r.prevTs)){const e=Math.abs(_r.firstRenderTime-_r.prevTs);e>300&&(_r.firstAudioTime-=e,gr.debug.warn(_r.TAG_NAME,`video\n firstAudioTime is ${_r.firstRenderTime} and current time is ${_r.prevTs}\n play time is ${e} and firstAudioTime ${t} - ${e} = ${_r.firstAudioTime}`))}r=t-_r.firstAudioTime,r<0&&(gr.debug.warn(_r.TAG_NAME,`decodeAudio\n local dts is < 0 , ts is ${t} and prevTs is ${_r.prevAudioTs},\n firstAudioTime is ${_r.firstAudioTime}`),r=null===_r.prevAudioDts?0:_r.prevAudioDts+gr._opt.mseCorrectAudioTimeDuration),null!==_r.prevAudioTs&&r<=_r.prevAudioDts&&(gr.debug.warn(_r.TAG_NAME,`\n decodeAudio dts is less than(or equal) prev dts ,\n dts is ${r} and prev dts is ${_r.prevAudioDts} ，\n and now ts is ${t} and prev ts is ${_r.prevAudioTs} ，\n and diff is ${t-_r.prevAudioTs}`),r=_r.prevAudioDts+gr._opt.mseCorrectAudioTimeDuration)}gr.isPlayer?_r._decodeAudio(e,r,t):gr.isPlayback,_r.prevAudioTs=t,_r.prevAudioDts=r}},_checkTsIsMaxDiff:e=>_r.prevTs>0&&e<_r.prevTs&&_r.prevTs-e>v,_decodeConfigurationRecord(e,t,r,i){let n=e.slice(5),s={};if(i===Ue?s=Ft(n):i===xe&&(s=Xt(n)),_r.videoInfo.width=s.codecWidth,_r.videoInfo.height=s.codecHeight,0===s.codecWidth&&0===s.codecHeight)return gr.debug.warn(_r.TAG_NAME,"_decodeConfigurationRecord error",JSON.stringify(s)),_r.emitError(Ee.mediaSourceDecoderConfigurationError),!1;const a={id:Ke,type:"video",timescale:1e3,duration:0,avcc:n,codecWidth:s.codecWidth,codecHeight:s.codecHeight,videoType:s.videoType},o=si.generateInitSegment(a);_r.isAvc=i===Ue;let d=s.codec;return _r.videoMimeType=d?`video/mp4; codecs="${s.codec}"`:_r.isAvc?Fe.avc:Fe.hev,postMessage({cmd:E,w:s.codecWidth,h:s.codecHeight}),_r._initSourceBuffer(),_r.appendBuffer(o.buffer),_r.sequenceNumber=0,_r.cacheTrack={},_r.timeInit=!1,!0},_decodeAudioConfigurationRecord(e,t){const r=e[0]>>4,i=e[0]>>1&1,n=r===ke.MP3,s=r===ke.AAC;if(Ut(s||n))return gr.debug.warn(_r.TAG_NAME,`_decodeAudioConfigurationRecord audio codec is not support , codecId is ${r} ant auto wasm decode`),_r.emitError(Ee.mediaSourceAudioG711NotSupport),!1;const a={id:Xe,type:"audio",timescale:1e3};let o={};if(nt(e)){if(o=function(e){let t=new Uint8Array(e),r=null,i=0,n=0,s=0,a=null;if(i=n=t[0]>>>3,s=(7&t[0])<<1|t[1]>>>7,s<0||s>=lt.length)return void console.error("Flv: AAC invalid sampling frequency index!");let o=lt[s],d=(120&t[1])>>>3;if(d<0||d>=8)return void console.log("Flv: AAC invalid channel configuration");5===i&&(a=(7&t[1])<<1|t[2]>>>7,t[2]);let l=self.navigator.userAgent.toLowerCase();return-1!==l.indexOf("firefox")?s>=6?(i=5,r=new Array(4),a=s-3):(i=2,r=new Array(2),a=s):-1!==l.indexOf("android")?(i=2,r=new Array(2),a=s):(i=5,a=s,r=new Array(4),s>=6?a=s-3:1===d&&(i=2,r=new Array(2),a=s)),r[0]=i<<3,r[0]|=(15&s)>>>1,r[1]=(15&s)<<7,r[1]|=(15&d)<<3,5===i&&(r[1]|=(15&a)>>>1,r[2]=(1&a)<<7,r[2]|=8,r[3]=0),{audioType:"aac",config:r,sampleRate:o,channelCount:d,objectType:i,codec:"mp4a.40."+i,originalCodec:"mp4a.40."+n}}(e.slice(2)),!o)return!1;a.audioSampleRate=o.sampleRate,a.channelCount=o.channelCount,a.config=o.config,a.refSampleDuration=1024/a.audioSampleRate*a.timescale}else{if(!n)return!1;if(o=function(e){if(e.length<4)return void console.error("Invalid MP3 packet, header missing!");let t=new Uint8Array(e.buffer),r=null;if(255!==t[0])return void console.error("Invalid MP3 packet, first byte != 0xFF ");let i=t[1]>>>3&3,n=(6&t[1])>>1,s=(240&t[2])>>>4,a=(12&t[2])>>>2,o=3!=(t[3]>>>6&3)?2:1,d=0,l=0;switch(i){case 0:d=di[a];break;case 2:d=oi[a];break;case 3:d=ai[a]}switch(n){case 1:s<ci.length&&(l=ci[s]);break;case 2:s<ui.length&&(l=ui[s]);break;case 3:s<li.length&&(l=li[s])}return r={bitRate:l,samplingRate:d,channelCount:o,codec:"mp3",originalCodec:"mp3",audioType:"mp3"},r}(e),!o)return!1;a.audioSampleRate=o.samplingRate,a.channelCount=o.channelCount,a.refSampleDuration=1152/a.audioSampleRate*a.timescale}a.codec=o.codec,a.duration=0;let d="mp4",l=o.codec,u=null;n&&Ut(function(){const e=window.navigator.userAgent.toLowerCase();return/firefox/i.test(e)}())?(d="mpeg",l="",u=new Uint8Array):u=si.generateInitSegment(a);let c=`${a.type}/${d}`;return l&&l.length>0&&(c+=`;codecs=${l}`),Ut(_r.isAudioInitInfo)&&(dr=r===ke.AAC?i?16:8:0===i?8:16,postMessage({cmd:B,code:r}),postMessage({cmd:x,sampleRate:a.audioSampleRate,channels:a.channelCount,depth:dr}),_r.isAudioInitInfo=!0),_r.audioMimeType=c,_r.isAAC=s,_r._initAudioSourceBuffer(),_r.appendAudioBuffer(u.buffer),!0},_initSourceBuffer(){const{proxy:e}=_r.events;if(null===_r.sourceBuffer&&null!==_r.mediaSource&&_r.isStateOpen()&&_r.videoMimeType){try{_r.sourceBuffer=_r.mediaSource.addSourceBuffer(_r.videoMimeType),gr.debug.log(_r.TAG_NAME,"_initSourceBuffer() mseDecoder.mediaSource.addSourceBuffer()",_r.videoMimeType)}catch(e){return gr.debug.error(_r.TAG_NAME,"appendBuffer() mseDecoder.mediaSource.addSourceBuffer()",e.code,e),_r.emitError(Ee.mseAddSourceBufferError,e.code),void(_r.mediaSourceAddSourceBufferError=!0)}if(_r.sourceBuffer){const t=e(_r.sourceBuffer,"error",(e=>{_r.mediaSourceBufferError=!0,gr.debug.error(_r.TAG_NAME,"mseSourceBufferError mseDecoder.sourceBuffer",e),_r.emitError(Ee.mseSourceBufferError,e.code)})),r=e(_r.sourceBuffer,"updateend",(()=>{_r._hasPendingRemoveRanges()?_r._doRemoveRanges():_r._hasPendingSegments()?_r._doAppendSegments():_r.hasPendingEos&&(gr.debug.log(_r.TAG_NAME,"videoSourceBuffer updateend and hasPendingEos is true, next endOfStream()"),_r.endOfStream())}));_r.eventListenList.push(t,r)}}else gr.debug.log(_r.TAG_NAME,`_initSourceBuffer and mseDecoder.isStateOpen is ${_r.isStateOpen()} and mseDecoder.isAvc === null is ${null===_r.isAvc}`)},_initAudioSourceBuffer(){const{proxy:e}=_r.events;if(null===_r.audioSourceBuffer&&null!==_r.mediaSource&&_r.isStateOpen()&&_r.audioMimeType){try{_r.audioSourceBuffer=_r.mediaSource.addSourceBuffer(_r.audioMimeType),_r._clearAudioSourceBufferCheckTimeout(),gr.debug.log(_r.TAG_NAME,"_initAudioSourceBuffer() mseDecoder.mediaSource.addSourceBuffer()",_r.audioMimeType)}catch(e){return gr.debug.error(_r.TAG_NAME,"appendAudioBuffer() mseDecoder.mediaSource.addSourceBuffer()",e.code,e),_r.emitError(Ee.mseAddSourceBufferError,e.code),void(_r.mediaSourceAddSourceBufferError=!0)}if(_r.audioSourceBuffer){const t=e(_r.audioSourceBuffer,"error",(e=>{_r.mediaSourceBufferError=!0,gr.debug.error(_r.TAG_NAME,"mseSourceBufferError mseDecoder.audioSourceBuffer",e),_r.emitError(Ee.mseSourceBufferError,e.code)})),r=e(_r.audioSourceBuffer,"updateend",(()=>{_r._hasPendingRemoveRanges()?_r._doRemoveRanges():_r._hasPendingSegments()?_r._doAppendSegments():_r.hasPendingEos&&(gr.debug.log(_r.TAG_NAME,"audioSourceBuffer updateend and hasPendingEos is true, next endOfStream()"),_r.endOfStream())}));_r.eventListenList.push(t,r),null===_r.audioSourceNoDataCheckTimeout&&(_r.audioSourceNoDataCheckTimeout=setTimeout((()=>{_r._clearAudioNoDataCheckTimeout(),_r.emitError(Ee.mediaSourceAudioNoDataTimeout)}),1e3))}}else gr.debug.log(_r.TAG_NAME,`_initAudioSourceBuffer and mseDecoder.isStateOpen is ${_r.isStateOpen()} and mseDecoder.audioMimeType is ${_r.audioMimeType}`)},_decodeVideo(e,t,r,i,n){let s=e.slice(5),a=s.byteLength;if(0===a)return void gr.debug.warn(_r.TAG_NAME,"_decodeVideo payload bytes is 0 and return");let o=(new Date).getTime(),d=!1;_r.prevTimestamp||(_r.prevTimestamp=o,d=!0);const l=o-_r.prevTimestamp;if(_r.decodeDiffTimestamp=l,l>500&&!d&&gr.isPlayer&&gr.debug.warn(_r.TAG_NAME,`_decodeVideo now time is ${o} and prev time is ${_r.prevTimestamp}, diff time is ${l} ms`),_r.cacheTrack.id&&t>=_r.cacheTrack.dts){let e=8+_r.cacheTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(si.types.mdat,4),r.set(_r.cacheTrack.data,8),_r.cacheTrack.duration=t-_r.cacheTrack.dts;let i=si.moof(_r.cacheTrack,_r.cacheTrack.dts);_r.cacheTrack={};let n=new Uint8Array(i.byteLength+r.byteLength);n.set(i,0),n.set(r,i.byteLength),_r.appendBuffer(n.buffer)}else gr.debug.log(_r.TAG_NAME,`timeInit set false , cacheTrack = {} now dts is ${t}, and ts is ${n} cacheTrack dts is ${_r.cacheTrack&&_r.cacheTrack.dts}`),_r.timeInit=!1,_r.cacheTrack={};_r.cacheTrack||(_r.cacheTrack={}),_r.cacheTrack.id=Ke,_r.cacheTrack.sequenceNumber=++_r.sequenceNumber,_r.cacheTrack.size=a,_r.cacheTrack.dts=t,_r.cacheTrack.cts=i,_r.cacheTrack.isKeyframe=r,_r.cacheTrack.data=s,_r.cacheTrack.flags={isLeading:0,dependsOn:r?2:1,isDependedOn:r?1:0,hasRedundancy:0,isNonSync:r?0:1},_r.prevTimestamp=(new Date).getTime()},_decodeAudio(e,t,r){let i=_r.isAAC?e.slice(2):e.slice(1),n=i.byteLength;if(_r.cacheAudioTrack.id&&t>=_r.cacheAudioTrack.dts){let e=8+_r.cacheAudioTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(si.types.mdat,4),r.set(_r.cacheAudioTrack.data,8),_r.cacheAudioTrack.duration=t-_r.cacheAudioTrack.dts;let i=si.moof(_r.cacheAudioTrack,_r.cacheAudioTrack.dts);_r.cacheAudioTrack={};let n=new Uint8Array(i.byteLength+r.byteLength);n.set(i,0),n.set(r,i.byteLength),_r.appendAudioBuffer(n.buffer)}else _r.cacheAudioTrack={};_r.cacheAudioTrack||(_r.cacheAudioTrack={}),_r.cacheAudioTrack.id=Xe,_r.cacheAudioTrack.sequenceNumber=++_r.audioSequenceNumber,_r.cacheAudioTrack.size=n,_r.cacheAudioTrack.dts=t,_r.cacheAudioTrack.cts=0,_r.cacheAudioTrack.data=i,_r.cacheAudioTrack.flags={isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}},appendBuffer(e){gr.isDestroyed?gr.debug.warn(_r.TAG_NAME,"appendBuffer() player is destroyed"):_r.mediaSourceAddSourceBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAddSourceBufferError is true"):_r.mediaSourceAppendBufferFull?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAppendBufferFull is true"):_r.mediaSourceAppendBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAppendBufferError is true"):_r.mediaSourceBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceBufferError is true"):(_r.pendingSegments.push(e),_r.sourceBuffer&&(gr._opt.mseAutoCleanupSourceBuffer&&_r._needCleanupSourceBuffer()&&_r._doCleanUpSourceBuffer(),Ut(_r.getSourceBufferUpdating())&&_r.isStateOpen()&&Ut(_r._hasPendingRemoveRanges()))?_r._doAppendSegments():_r.isStateClosed()?(_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):_r.isStateEnded()?(_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,"mediaSource is end")):_r._hasPendingRemoveRanges()&&gr.debug.log(_r.TAG_NAME,`video has pending remove ranges and video length is ${_r.pendingRemoveRanges.length}, audio length is ${_r.pendingAudioRemoveRanges.length}`))},appendAudioBuffer(e){gr.isDestroyed?gr.debug.warn(_r.TAG_NAME,"appendAudioBuffer() player is destroyed"):_r.mediaSourceAddSourceBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAddSourceBufferError is true"):_r.mediaSourceAppendBufferFull?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAppendBufferFull is true"):_r.mediaSourceAppendBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceAppendBufferError is true"):_r.mediaSourceBufferError?gr.debug.warn(_r.TAG_NAME,"mseDecoder.mediaSourceBufferError is true"):(_r.pendingAudioSegments.push(e),_r.audioSourceBuffer&&(gr._opt.mseAutoCleanupSourceBuffer&&_r._needCleanupSourceBuffer()&&_r._doCleanUpSourceBuffer(),Ut(_r.getAudioSourceBufferUpdating())&&_r.isStateOpen()&&Ut(_r._hasPendingRemoveRanges()))?_r._doAppendSegments():_r.isStateClosed()?(_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):_r.isStateEnded()?(_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,"mediaSource is end")):_r._hasPendingRemoveRanges()&&gr.debug.log(_r.TAG_NAME,`audio has pending remove ranges and video length is ${_r.pendingRemoveRanges.length}, audio length is ${_r.pendingAudioRemoveRanges.length}`))},getSourceBufferUpdating:()=>_r.sourceBuffer&&_r.sourceBuffer.updating,getAudioSourceBufferUpdating:()=>_r.audioSourceBuffer&&_r.audioSourceBuffer.updating,stop(){_r.abortSourceBuffer(),_r.removeSourceBuffer()},clearUpAllSourceBuffer(){if(_r.sourceBuffer){const e=_r.sourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);_r.pendingRemoveRanges.push({start:r,end:i})}Ut(_r.getSourceBufferUpdating())&&_r._doRemoveRanges()}if(_r.audioSourceBuffer){const e=_r.audioSourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);_r.pendingAudioRemoveRanges.push({start:r,end:i})}Ut(_r.getAudioSourceBufferUpdating())&&_r._doRemoveRanges()}},endOfStream(){if(_r.isStateOpen())if(_r.getSourceBufferUpdating()||_r.getAudioSourceBufferUpdating())gr.debug.log(_r.TAG_NAME,"endOfStream() has pending eos"),_r.hasPendingEos=!0;else{_r.hasPendingEos=!1;try{gr.debug.log(_r.TAG_NAME,"endOfStream()"),_r.mediaSource.endOfStream()}catch(e){gr.debug.warn(_r.TAG_NAME,"endOfStream() error",e)}}},abortSourceBuffer(){if(_r.isStateOpen){if(_r.sourceBuffer)try{gr.debug.log(_r.TAG_NAME,"abortSourceBuffer() abort sourceBuffer"),_r.sourceBuffer.abort()}catch(e){}if(_r.audioSourceBuffer)try{gr.debug.log(_r.TAG_NAME,"abortSourceBuffer() abort audioSourceBuffer"),_r.audioSourceBuffer.abort()}catch(e){}}_r.sourceBuffer=null,_r.audioSourceBuffer=null},removeSourceBuffer(){if(!_r.isStateClosed()&&_r.mediaSource){if(_r.sourceBuffer)try{gr.debug.log(_r.TAG_NAME,"removeSourceBuffer() sourceBuffer"),_r.mediaSource.removeSourceBuffer(_r.sourceBuffer)}catch(e){gr.debug.warn(_r.TAG_NAME,"removeSourceBuffer() sourceBuffer error",e)}if(_r.audioSourceBuffer)try{gr.debug.log(_r.TAG_NAME,"removeSourceBuffer() audioSourceBuffer"),_r.mediaSource.removeSourceBuffer(_r.audioSourceBuffer)}catch(e){gr.debug.warn(_r.TAG_NAME,"removeSourceBuffer() audioSourceBuffer error",e)}}},_hasPendingSegments:()=>_r.pendingSegments.length>0||_r.pendingAudioSegments.length>0,getPendingSegmentsLength:()=>_r.pendingSegments.length,_handleUpdatePlaybackRate(){},_doAppendSegments(){if(_r.isStateClosed()||_r.isStateEnded())gr.debug.log(_r.TAG_NAME,"_doAppendSegments() mediaSource is closed or ended and return");else if(null!==_r.sourceBuffer){if(_r.needInitAudio()&&null===_r.audioSourceBuffer)return gr.debug.log(_r.TAG_NAME,"_doAppendSegments() audioSourceBuffer is null and need init audio source buffer"),void(null===_r.audioSourceBufferCheckTimeout&&(_r.audioSourceBufferCheckTimeout=setTimeout((()=>{_r._clearAudioSourceBufferCheckTimeout(),_r.emitError(Ee.mediaSourceAudioInitTimeout)}),1e3)));if(Ut(_r.getSourceBufferUpdating())&&_r.pendingSegments.length>0){const e=_r.pendingSegments.shift();try{_r.sourceBuffer.appendBuffer(e)}catch(e){gr.debug.error(_r.TAG_NAME,"mseDecoder.sourceBuffer.appendBuffer()",e.code,e),22===e.code?(_r.stop(),_r.mediaSourceAppendBufferFull=!0,_r.emitError(Ee.mediaSourceFull)):11===e.code?(_r.stop(),_r.mediaSourceAppendBufferError=!0,_r.emitError(Ee.mediaSourceAppendBufferError)):(_r.stop(),_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,e.code))}}if(Ut(_r.getAudioSourceBufferUpdating())&&_r.pendingAudioSegments.length>0){const e=_r.pendingAudioSegments.shift();try{_r.audioSourceBuffer.appendBuffer(e)}catch(e){gr.debug.error(_r.TAG_NAME,"mseDecoder.audioSourceBuffer.appendBuffer()",e.code,e),22===e.code?(_r.stop(),_r.mediaSourceAppendBufferFull=!0,_r.emitError(Ee.mediaSourceFull)):11===e.code?(_r.stop(),_r.mediaSourceAppendBufferError=!0,_r.emitError(Ee.mediaSourceAppendBufferError)):(_r.stop(),_r.mediaSourceBufferError=!0,_r.emitError(Ee.mseSourceBufferError,e.code))}}}else gr.debug.log(_r.TAG_NAME,"_doAppendSegments() sourceBuffer is null and wait init and return")},_doCleanUpSourceBuffer(){const e=_r.$video.currentTime;if(_r.sourceBuffer){const t=_r.sourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let n=t.start(i),s=t.end(i);if(n<=e&&e<s+3){if(e-n>=gr._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-gr._opt.mseAutoCleanupMinBackwardDuration;_r.pendingRemoveRanges.push({start:n,end:t})}}else s<e&&(r=!0,_r.pendingRemoveRanges.push({start:n,end:s}))}r&&Ut(_r.getSourceBufferUpdating())&&_r._doRemoveRanges()}if(_r.audioSourceBuffer){const t=_r.audioSourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let n=t.start(i),s=t.end(i);if(n<=e&&e<s+3){if(e-n>=gr._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-gr._opt.mseAutoCleanupMinBackwardDuration;_r.pendingAudioRemoveRanges.push({start:n,end:t})}}else s<e&&(r=!0,_r.pendingAudioRemoveRanges.push({start:n,end:s}))}r&&Ut(_r.getAudioSourceBufferUpdating())&&_r._doRemoveRanges()}},_hasPendingRemoveRanges:()=>_r.pendingRemoveRanges.length>0||_r.pendingAudioRemoveRanges.length>0,needInitAudio:()=>gr._opt.hasAudio&&gr._opt.mseDecodeAudio,_doRemoveRanges(){if(_r.sourceBuffer&&Ut(_r.getSourceBufferUpdating())){let e=_r.pendingRemoveRanges;for(;e.length&&Ut(_r.getSourceBufferUpdating());){let t=e.shift();try{_r.sourceBuffer.remove(t.start,t.end)}catch(e){gr.debug.warn(_r.TAG_NAME,"_doRemoveRanges() sourceBuffer error",e)}}}if(_r.audioSourceBuffer&&Ut(_r.getAudioSourceBufferUpdating())){let e=_r.pendingAudioRemoveRanges;for(;e.length&&Ut(_r.getAudioSourceBufferUpdating());){let t=e.shift();try{_r.audioSourceBuffer.remove(t.start,t.end)}catch(e){gr.debug.warn(_r.TAG_NAME,"_doRemoveRanges() audioSourceBuffer error",e)}}}},_getPlaybackRate(){},_needCleanupSourceBuffer(){if(Ut(gr._opt.mseAutoCleanupSourceBuffer))return!1;const e=_r.$video.currentTime;if(_r.sourceBuffer){let t=_r.sourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=gr._opt.mseAutoCleanupMaxBackwardDuration)return!0}if(_r.audioSourceBuffer){let t=_r.audioSourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=gr._opt.mseAutoCleanupMaxBackwardDuration)return!0}return!1},_clearAudioSourceBufferCheckTimeout(){_r.audioSourceBufferCheckTimeout&&(clearTimeout(_r.audioSourceBufferCheckTimeout),_r.audioSourceBufferCheckTimeout=null)},_clearAudioNoDataCheckTimeout(){_r.audioSourceNoDataCheckTimeout&&(clearTimeout(_r.audioSourceNoDataCheckTimeout),_r.audioSourceNoDataCheckTimeout=null)},getHandle:()=>_r.mediaSource.handle,emitError(e){postMessage({cmd:J,value:e,msg:arguments.length>1&&void 0!==arguments[1]?arguments[1]:""})}});let gr={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,isTimeWait:!1,fetchStatus:je,_opt:ur(),mp3Demuxer:null,delay:-1,pushLatestDelay:-1,firstTimestamp:null,startTimestamp:null,preDelayTimestamp:null,stopId:null,streamFps:null,streamAudioFps:null,streamVideoFps:null,writableStream:null,networkDelay:0,webglObj:null,startStreamRateAndStatsInterval:function(){gr.stopStreamRateAndStatsInterval(),l=setInterval((()=>{d&&d(0);const e=JSON.stringify({demuxBufferDelay:gr.getVideoBufferLength(),audioDemuxBufferDelay:gr.getAudioBufferLength(),streamBufferByteLength:gr.getStreamBufferLength(),netBuf:gr.networkDelay||0,pushLatestDelay:gr.pushLatestDelay||0,latestDelay:gr.delay,isStreamTsMoreThanLocal:rt});postMessage({cmd:L,type:ve,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){l&&(clearInterval(l),l=null)},useOffscreen:function(){return gr._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||gr._opt.hasVideo&&!tt)return-1;if(t===Q)return gr.delay;if(gr.preDelayTimestamp&&gr.preDelayTimestamp>e)return gr.preDelayTimestamp-e>1e3&&gr.debug.warn("worker",`getDelay() and preDelayTimestamp is ${gr.preDelayTimestamp} > timestamp is ${e} more than ${gr.preDelayTimestamp-e}ms and return ${gr.delay}`),gr.preDelayTimestamp=e,gr.delay;if(gr.firstTimestamp){if(e){const t=Date.now()-gr.startTimestamp,r=e-gr.firstTimestamp;t>=r?(rt=!1,gr.delay=t-r):(rt=!0,gr.delay=r-t)}}else gr.firstTimestamp=e,gr.startTimestamp=Date.now(),gr.delay=-1;return gr.preDelayTimestamp=e,gr.delay},getDelayNotUpdateDelay:function(e,t){if(!e||gr._opt.hasVideo&&!tt)return-1;if(t===Q)return gr.pushLatestDelay;if(gr.preDelayTimestamp&&gr.preDelayTimestamp-e>1e3)return gr.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${gr.preDelayTimestamp} > timestamp is ${e} more than ${gr.preDelayTimestamp-e}ms and return -1`),-1;if(gr.firstTimestamp){let t=-1;if(e){const r=Date.now()-gr.startTimestamp,i=e-gr.firstTimestamp;r>=i?(rt=!1,t=r-i):(rt=!0,t=i-r)}return t}return-1},resetDelay:function(){gr.firstTimestamp=null,gr.startTimestamp=null,gr.delay=-1,gr.dropping=!1},resetAllDelay:function(){gr.resetDelay(),gr.preDelayTimestamp=null},doDecode:function(e){gr._opt.isEmitSEI&&e.type===ee&&gr.isWorkerFetch&&gr.findSei(e.payload,e.ts),gr.isPlayUseMSEAndDecoderInWorker()?e.type===Q?gr._opt.mseDecodeAudio?_r.decodeAudio(e.payload,e.ts):e.decoder.decode(e.payload,e.ts):e.type===ee&&_r.decodeVideo(e.payload,e.ts,e.isIFrame,e.cts):gr._opt.useWCS&&gr.useOffscreen()&&e.type===ee&&s.decode?s.decode(e.payload,e.ts,e.cts):e.decoder.decode(e.payload,e.ts,e.isIFrame,e.cts)},decodeNext(e){if(0===i.length)return;const t=e.ts,n=i[0],s=e.type===ee&&Et(e.payload);if(Ut(r))s&&(gr.debug.log("worker",`decode data type is ${e.type} and\n ts is ${t} next data type is ${n.type} ts is ${n.ts}\n isVideoSqeHeader is ${s}`),i.shift(),gr.doDecode(n));else{const r=n.ts-t,a=n.type===Q&&e.type===ee;(r<=20||a||s)&&(gr.debug.log("worker",`decode data type is ${e.type} and\n ts is ${t} next data type is ${n.type} ts is ${n.ts}\n diff is ${r} and isVideoAndNextAudio is ${a} and isVideoSqeHeader is ${s}`),i.shift(),gr.doDecode(n))}},init:function(){gr.debug.log("worker","init and opt is",JSON.stringify(gr._opt));const e=gr._opt.playType===m,t=gr._opt.playType===_;if(fr.init(),gr.isPlayer=e,gr.isPlayback=t,gr.isPlayUseMSEAndDecoderInWorker()&&_r&&_r.init(),gr.isPlaybackCacheBeforeDecodeForFpsRender())gr.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{gr.debug.log("worker","setInterval()");const t=gr._opt.videoBuffer+gr._opt.videoBufferDelay,r=()=>{let r=null;if(i.length){if(gr.isPushDropping)return void gr.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${i.length}`);if(gr.dropping){for(r=i.shift(),gr.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${r.isIFrame} and delay is ${gr.delay} and bufferlist is ${i.length}`);!r.isIFrame&&i.length;)r=i.shift();const e=gr.getDelayNotUpdateDelay(r.ts,r.type);r.isIFrame&&e<=gr.getNotDroppingDelayTs()&&(gr.debug.log("worker","loop() is dropping = false, is iFrame"),gr.dropping=!1,gr.doDecode(r),gr.decodeNext(r))}else if(gr.isPlayback||gr.isPlayUseMSE()||0===gr._opt.videoBuffer)for(;i.length;)r=i.shift(),gr.doDecode(r);else if(r=i[0],-1===gr.getDelay(r.ts,r.type))gr.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",r.ts),i.shift(),gr.doDecode(r),gr.decodeNext(r);else if(gr.delay>t&&e)gr.hasIframeInBufferList()?(gr.debug.log("worker",`delay is ${gr.delay} > maxDelay ${t}, set dropping is true`),gr.resetAllDelay(),gr.dropping=!0,postMessage({cmd:R})):(i.shift(),gr.doDecode(r),gr.decodeNext(r));else for(;i.length;){if(r=i[0],!(gr.getDelay(r.ts,r.type)>gr._opt.videoBuffer)){gr.delay<0&&gr.debug.warn("worker",`loop() do not decode and delay is ${gr.delay}, bufferList is ${i.length}`);break}i.shift(),gr.doDecode(r)}}else-1!==gr.delay&&gr.debug.log("worker","loop() bufferList is empty and reset delay"),gr.resetAllDelay()};gr.stopId=setInterval((()=>{let e=(new Date).getTime();at||(at=e);const t=e-at;t>100&&gr.debug.warn("worker",`loop demux diff time is ${t}`),r(),at=(new Date).getTime()}),20)}if(Ut(gr._opt.checkFirstIFrame)&&(tt=!0),gr.isPlayUseMSEAndDecoderInWorker()&&_r){const e=_r.getHandle();e&&postMessage({cmd:X,mseHandle:e},[e])}},playbackCacheLoop:function(){gr.stopId&&(clearInterval(gr.stopId),gr.stopId=null);const e=()=>{let e=null;i.length&&(e=i.shift(),gr.doDecode(e))};e();const t=Math.ceil(1e3/(gr.streamFps*gr._opt.playbackRate));gr.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${gr.streamFps}, streamAudioFps is ${gr.streamAudioFps} ,streamVideoFps is ${gr.streamVideoFps} playbackRate is ${gr._opt.playbackRate}`),gr.stopId=setInterval(e,t)},close:function(){if(gr.debug.log("worker","close"),gr.isDestroyed=!0,cr(),!o||1!==o.readyState&&2!==o.readyState?o&&gr.debug.log("worker",`close() and socket.readyState is ${o.readyState}`):(lr=!0,o.close(1e3,"Client disconnecting")),o=null,gr.stopStreamRateAndStatsInterval(),gr.stopId&&(clearInterval(gr.stopId),gr.stopId=null),gr.mp3Demuxer&&(gr.mp3Demuxer.destroy(),gr.mp3Demuxer=null),gr.writableStream&&Ut(gr.writableStream.locked)&&gr.writableStream.close().catch((e=>{gr.debug.log("worker","close() and writableStream.close() error",e)})),gr.writableStream=null,yr)try{yr.clear&&yr.clear(),yr=null}catch(e){gr.debug.warn("worker","close() and audioDecoder.clear error",e)}if(br)try{br.clear&&br.clear(),br=null}catch(e){gr.debug.warn("worker","close() and videoDecoder.clear error",e)}d=null,at=null,rt=!1,s&&(s.reset&&s.reset(),s=null),_r&&(_r.destroy(),_r=null),gr.firstTimestamp=null,gr.startTimestamp=null,gr.networkDelay=0,gr.streamFps=null,gr.streamAudioFps=null,gr.streamVideoFps=null,gr.delay=-1,gr.pushLatestDelay=-1,gr.preDelayTimestamp=null,gr.dropping=!1,gr.isPushDropping=!1,gr.isPlayer=!0,gr.isPlayback=!1,gr.isWorkerFetch=!1,gr._opt=ur(),gr.webglObj&&(gr.webglObj.destroy(),gr.offscreenCanvas.removeEventListener("webglcontextlost",gr.onOffscreenCanvasWebglContextLost),gr.offscreenCanvas.removeEventListener("webglcontextrestored",gr.onOffscreenCanvasWebglContextRestored),gr.offscreenCanvas=null,gr.offscreenCanvasGL=null,gr.offscreenCanvasCtx=null),i=[],n=[],y=null,b=null,w=null,Ge=!1,Ve=!1,tt=!1,qt=!1,Zt=!1,sr=!1,ar=null,or=null,xt=[],kt=0,Pt=0,ot=null,_t=null,Ht=null,Vt=null,dr=null,Wt=0,jt=0,Bt=null,Tt=null,gr.fetchStatus=je,fr.destroy(),hr.destroy(),pr.destroy(),mr.destroy(),postMessage({cmd:$})},pushBuffer:function(e,t){if(t.type===Q&&nt(e)){if(gr.debug.log("worker",`pushBuffer audio ts is ${t.ts}, isAacCodecPacket is true`),gr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:j,buffer:t},[t.buffer])}gr.decodeAudio(e,t.ts)}else if(t.type===ee&&t.isIFrame&&Et(e)){if(gr.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),gr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:q,buffer:t},[t.buffer])}gr.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(gr._opt.isRecording)if(gr._opt.isRecordTypeFlv){const r=new Uint8Array(e);postMessage({cmd:Y,type:t.type,buffer:r,ts:t.ts},[r.buffer])}else if(gr._opt.recordType===g)if(t.type===ee){const r=new Uint8Array(e).slice(5);postMessage({cmd:I,buffer:r,isIFrame:t.isIFrame,ts:t.ts,cts:t.cts},[r.buffer])}else if(t.type===Q&&gr._opt.isWasmMp4){const r=new Uint8Array(e),i=st(r)?r.slice(2):r.slice(1);postMessage({cmd:T,buffer:i,ts:t.ts},[i.buffer])}if(gr.isPlayer&&Wt>0&&Vt>0&&t.type===ee){const e=t.ts-Vt,r=Wt+Wt/2;e>r&&gr.debug.log("worker",`pushBuffer video\n ts is ${t.ts}, preTimestamp is ${Vt},\n diff is ${e} and preTimestampDuration is ${Wt} and maxDiff is ${r}\n maybe trigger black screen or flower screen\n `)}if(gr.isPlayer&&Vt>0&&t.type===ee&&t.ts<Vt&&Vt-t.ts>v&&(gr.debug.warn("worker",`pushBuffer,\n preTimestamp is ${Vt}, options.ts is ${t.ts},\n diff is ${Vt-t.ts} more than 3600000,\n and resetAllDelay`),gr.resetAllDelay(),Vt=null,Wt=0),gr.isPlayer&&Vt>0&&t.ts<=Vt&&t.type===ee&&(gr.debug.warn("worker",`pushBuffer() and isIFrame is ${t.isIFrame} and,\n options.ts is ${t.ts} less than (or equal) preTimestamp is ${Vt} and\n payloadBufferSize is ${e.byteLength} and prevPayloadBufferSize is ${jt}`),gr._opt.isDropSameTimestampGop&&Ut(t.isIFrame)&&tt)){const e=gr.hasIframeInBufferList(),t=Ut(gr.isPushDropping);return gr.debug.log("worker",`pushBuffer, isDropSameTimestampGop is true and\n hasIframe is ${e} and isNotPushDropping is ${t} and next dropBuffer`),void(e&&t?gr.dropBuffer$2():(gr.clearBuffer(!0),At(gr._opt.checkFirstIFrame)&&At(r)&&(gr.isPlayUseMSEAndDecoderInWorker()?_r.isDecodeFirstIIframe=!1:postMessage({cmd:K}))))}if(gr.isPlayer&&tt){const e=gr._opt.videoBuffer+gr._opt.videoBufferDelay,r=gr.getDelayNotUpdateDelay(t.ts,t.type);gr.pushLatestDelay=r,r>e&&gr.delay<e&&gr.delay>0&&gr.hasIframeInBufferList()&&!1===gr.isPushDropping&&(gr.debug.log("worker",`pushBuffer(), pushLatestDelay is ${r} more than ${e} and decoder.delay is ${gr.delay} and has iIframe and next decoder.dropBuffer$2()`),gr.dropBuffer$2())}if(gr.isPlayer&&t.type===ee&&(Vt>0&&(Wt=t.ts-Vt),jt=e.byteLength,Vt=t.ts),t.type===Q?i.push({ts:t.ts,payload:e,decoder:{decode:gr.decodeAudio},type:Q,isIFrame:!1}):t.type===ee&&i.push({ts:t.ts,cts:t.cts,payload:e,decoder:{decode:gr.decodeVideo},type:ee,isIFrame:t.isIFrame}),gr.isPlaybackCacheBeforeDecodeForFpsRender()&&(yt(gr.streamVideoFps)||yt(gr.streamAudioFps))){let e=gr.streamVideoFps,t=gr.streamAudioFps;if(yt(gr.streamVideoFps)&&(e=wt(i,ee),e&&(gr.streamVideoFps=e,postMessage({cmd:N,value:gr.streamVideoFps}),gr.streamFps=t?e+t:e,Ut(gr._opt.hasAudio)&&(gr.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),gr.streamAudioFps=0),gr.playbackCacheLoop())),yt(gr.streamAudioFps)&&(t=wt(i,Q),t&&(gr.streamAudioFps=t,gr.streamFps=e?e+t:t,gr.playbackCacheLoop())),yt(gr.streamVideoFps)&&yt(gr.streamAudioFps)){const r=i.map((e=>({type:e.type,ts:e.ts})));gr.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength is ${i.length}, and ts list is ${JSON.stringify(r)}`)}const r=gr.getAudioBufferLength()>0,n=r?60:40;i.length>=n&&(gr.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength is ${i.length} more than ${n}, and hasAudio is ${r} an set streamFps is 25`),gr.streamVideoFps=25,postMessage({cmd:N,value:gr.streamVideoFps}),r?(gr.streamAudioFps=25,gr.streamFps=gr.streamVideoFps+gr.streamAudioFps):gr.streamFps=gr.streamVideoFps,gr.playbackCacheLoop())}}},getVideoBufferLength(){let e=0;return i.forEach((t=>{t.type===ee&&(e+=1)})),e},hasIframeInBufferList:()=>i.some((e=>e.type===ee&&e.isIFrame)),isAllIframeInBufferList(){const e=gr.getVideoBufferLength();let t=0;return i.forEach((e=>{e.type===ee&&e.isIFrame&&(t+=1)})),e===t},getNotDroppingDelayTs:()=>gr._opt.videoBuffer+gr._opt.videoBufferDelay/2,getAudioBufferLength(){let e=0;return i.forEach((t=>{t.type===Q&&(e+=1)})),e},getStreamBufferLength(){let e=0;return y&&y.buffer&&(e=y.buffer.byteLength),gr._opt.isNakedFlow?fr.lastBuf&&(e=fr.lastBuf.byteLength):gr._opt.isTs?mr._remainingPacketData&&(e=mr._remainingPacketData.byteLength):gr._opt.isFmp4&&hr.mp4Box&&(e=hr.mp4Box.getAllocatedSampleDataSize()),e},fetchStream:function(e,t){gr.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(t)),gr.isWorkerFetch=!0,t.isFlv?gr._opt.isFlv=!0:t.isFmp4?gr._opt.isFmp4=!0:t.isMpeg4?gr._opt.isMpeg4=!0:t.isNakedFlow?gr._opt.isNakedFlow=!0:t.isTs&&(gr._opt.isTs=!0),d=gt((e=>{postMessage({cmd:L,type:me,value:e})})),gr.startStreamRateAndStatsInterval(),t.isFmp4&&(hr.listenMp4Box(),gr._opt.isFmp4Private&&hr.initTransportDescarmber()),t.protocol===f?(y=new Ct(gr.demuxFlv()),fetch(e).then((e=>{if(At(lr))return gr.debug.log("worker","request abort and run res.body.cancel()"),gr.fetchStatus=je,void e.body.cancel();if(!function(e){return e.ok&&e.status>=200&&e.status<=299}(e))return gr.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),cr(),void postMessage({cmd:L,type:Ee.fetchError,value:`fetch response status is ${e.status} and ok is ${e.ok}`});if(postMessage({cmd:L,type:be}),"undefined"!=typeof WritableStream)gr.writableStream=new WritableStream({write:e=>a&&a.signal&&a.signal.aborted?(gr.debug.log("worker","writableStream write() and abortController.signal.aborted is true so return"),void(gr.fetchStatus=Ye)):At(lr)?(gr.debug.log("worker","writableStream write() and requestAbort is true so return"),void(gr.fetchStatus=Ye)):(gr.fetchStatus=qe,d(e.byteLength),void(t.isFlv?y.write(e):t.isFmp4?gr.demuxFmp4(e):t.isMpeg4?gr.demuxMpeg4(e):t.isTs&&gr.demuxTs(e))),close:()=>{gr.debug.log("worker","writableStream close()"),gr.fetchStatus=Ye,y=null,cr(),postMessage({cmd:L,type:pe,value:h,msg:"fetch done"})},abort:e=>{if(a&&a.signal&&a.signal.aborted)return gr.debug.log("worker","writableStream abort() and abortController.signal.aborted is true so return"),void(gr.fetchStatus=Ye);y=null,e.name!==$e?(gr.debug.log("worker",`writableStream abort() and e is ${e.toString()}`),cr(),postMessage({cmd:L,type:Ee.fetchError,value:e.toString()})):gr.debug.log("worker","writableStream abort() and e.name is AbortError so return")}}),e.body.pipeTo(gr.writableStream);else{const r=e.body.getReader(),i=()=>{r.read().then((e=>{let{done:r,value:n}=e;return r?(gr.debug.log("worker","fetchNext().then() and done is true"),gr.fetchStatus=Ye,y=null,cr(),void postMessage({cmd:L,type:pe,value:h,msg:"fetch done"})):a&&a.signal&&a.signal.aborted?(gr.debug.log("worker","fetchNext().then() and abortController.signal.aborted is true so return"),void(gr.fetchStatus=Ye)):At(lr)?(gr.debug.log("worker","fetchNext().then() and requestAbort is true so return"),void(gr.fetchStatus=Ye)):(gr.fetchStatus=qe,d(n.byteLength),t.isFlv?y.write(n):t.isFmp4?gr.demuxFmp4(n):t.isMpeg4&&gr.demuxMpeg4(n),void i())})).catch((e=>{if(a&&a.signal&&a.signal.aborted)return gr.debug.log("worker","fetchNext().catch() and abortController.signal.aborted is true so return"),void(gr.fetchStatus=Ye);y=null,e.name!==$e?(gr.debug.log("worker",`fetchNext().catch() and e is ${e.toString()}`),cr(),postMessage({cmd:L,type:Ee.fetchError,value:e.toString()})):gr.debug.log("worker","fetchNext().catch() and e.name is AbortError so return")}))};i()}})).catch((e=>{a&&a.signal&&a.signal.aborted?gr.debug.log("worker","fetch().catch() and abortController.signal.aborted is true so return"):e.name!==$e?(gr.debug.log("worker",`fetch().catch() and e is ${e.toString()}`),cr(),postMessage({cmd:L,type:Ee.fetchError,value:e.toString()}),y=null):gr.debug.log("worker","fetch().catch() and e.name is AbortError so return")}))):t.protocol===c&&(t.isFlv&&(y=new Ct(gr.demuxFlv())),o=new WebSocket(e),o.binaryType="arraybuffer",o.onopen=()=>{gr.debug.log("worker","fetchStream, WebsocketStream socket open"),postMessage({cmd:L,type:be}),postMessage({cmd:L,type:Se})},o.onclose=e=>{gr.debug.log("worker",`fetchStream, WebsocketStream socket close and code is ${e.code}`),1006===e.code&&gr.debug.error("worker",`fetchStream, WebsocketStream socket close abnormally and code is ${e.code}`),At(lr)?gr.debug.log("worker","fetchStream, WebsocketStream socket close and requestAbort is true so return"):(y=null,postMessage({cmd:L,type:pe,value:p,msg:e.code}))},o.onerror=e=>{gr.debug.error("worker","fetchStream, WebsocketStream socket error",e),y=null,postMessage({cmd:L,type:Ee.websocketError,value:e.isTrusted?"websocket user aborted":"websocket error"})},o.onmessage=e=>{d(e.data.byteLength),t.isFlv?y.write(e.data):t.isFmp4?gr.demuxFmp4(e.data):t.isMpeg4?gr.demuxMpeg4(e.data):gr._opt.isNakedFlow?gr.demuxNakedFlow(e.data):gr.demuxM7s(e.data)})},demuxFlv:function*(){yield 9;const e=new ArrayBuffer(4),t=new Uint8Array(e),r=new Uint32Array(e);for(;;){t[3]=0;const e=yield 15,i=e[4];t[0]=e[7],t[1]=e[6],t[2]=e[5];const n=r[0];t[0]=e[10],t[1]=e[9],t[2]=e[8],t[3]=e[11];let s=r[0];const a=(yield n).slice();switch(i){case te:if(a.byteLength>0){let e=a;At(gr._opt.m7sCryptoAudio)&&(e=gr.cryptoPayloadAudio(a)),gr.decode(e,{type:Q,ts:s})}else gr.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${a.byteLength} and return`);break;case re:if(a.byteLength>=6){const e=a[0];if(gr._isEnhancedH265Header(e))gr._decodeEnhancedH265Video(a,s);else{a[0];let e=a[0]>>4===We;if(e&&Et(a)&&null===ar){const e=15&a[0];ar=e===xe,or=pt(a,ar),gr.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${ar} and nalUnitSize is ${or}`)}e&&gr.calcIframeIntervalTimestamp(s),gr.isPlayer&&gr.calcNetworkDelay(s),r[0]=a[4],r[1]=a[3],r[2]=a[2],r[3]=0;let t=r[0],i=gr.cryptoPayload(a,e);gr.decode(i,{type:ee,ts:s,isIFrame:e,cts:t})}}else gr.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${a.byteLength} and return`);break;case ie:postMessage({cmd:W,buffer:a},[a.buffer]);break;default:gr.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===Q?gr._opt.hasAudio&&(postMessage({cmd:L,type:_e,value:e.byteLength}),gr.isPlayer?gr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):gr.isPlayback&&(gr.isPlaybackOnlyDecodeIFrame()||(gr.isPlaybackCacheBeforeDecodeForFpsRender(),gr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts})))):t.type===ee&&gr._opt.hasVideo&&(postMessage({cmd:L,type:ge,value:e.byteLength}),postMessage({cmd:L,type:ye,value:t.ts}),gr.isPlayer?gr.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):gr.isPlayback&&(gr.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&gr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(gr.isPlaybackCacheBeforeDecodeForFpsRender(),gr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return gr._opt.isM7sCrypto?gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength>0&&gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength>0?r=function(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];t=new Uint8Array(t),r=new Uint8Array(r);const n=e.byteLength;let s=5;for(;s<n;){let o=(a=e.slice(s,s+4))[3]|a[2]<<8|a[1]<<16|a[0]<<24;if(o>n)break;let d=e[s+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=e.slice(s+4+2,s+4+o);let n=new Rr.ModeOfOperation.ctr(t,new Rr.Counter(r));const a=n.decrypt(i);n=null,e.set(a,s+4+2)}s=s+4+o}var a;return e}(e,gr._opt.cryptoKey,gr._opt.cryptoIV,ar):gr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength} or cryptoIV.length is ${gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength} null`):gr._opt.isSm4Crypto?gr._opt.sm4CryptoKey&&t?r=function(e,t){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const i=e.byteLength;let n=5;for(;n<i;){let a=(s=e.slice(n,n+4))[3]|s[2]<<8|s[1]<<16|s[0]<<24;if(a>i)break;let o=e[n+4],d=!1;if(r?(o=o>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,d=1===o||5===o),d){const r=Qr(e.slice(n+4+2,n+4+a),t,0,{padding:"none",output:"array"});e.set(r,n+4+2)}n=n+4+a}var s;return e}(e,gr._opt.sm4CryptoKey):gr._opt.sm4CryptoKey||gr.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):gr._opt.isXorCrypto&&(gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength>0&&gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength>0?r=function(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const n=e.byteLength;let s=5;for(;s<n;){let o=(a=e.slice(s,s+4))[3]|a[2]<<8|a[1]<<16|a[0]<<24;if(o>n)break;let d=e[s+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=ii(e.slice(s+4,s+4+o),t,r);e.set(i,s+4)}s=s+4+o}var a;return e}(e,gr._opt.cryptoKey,gr._opt.cryptoIV,ar):gr.debug.error("worker",`isXorCrypto cryptoKey.length is ${gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength} or cryptoIV.length is ${gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength} null`)),r},cryptoPayloadAudio:function(e){let t=e;if(gr._opt.isM7sCrypto)if(gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength>0&&gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength>0){e[0]>>4===ke.AAC&&(t=function(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let n=new Rr.ModeOfOperation.ctr(t,new Rr.Counter(r));const s=n.decrypt(i);return n=null,e.set(s,32),e}(e,gr._opt.cryptoKey,gr._opt.cryptoIV))}else gr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${gr._opt.cryptoKey&&gr._opt.cryptoKey.byteLength} or cryptoIV.length is ${gr._opt.cryptoIV&&gr._opt.cryptoIV.byteLength} null`);return t},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(dr=r===ke.AAC?i?16:8:0===i?8:16,yr&&yr.setCodec)if(nt(e)||r===ke.ALAW||r===ke.MULAW||r===ke.MP3){gr.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${r}`);const i=r===ke.AAC?e.slice(2):new Uint8Array(0);yr.setCodec(r,gr._opt.sampleRate,i),r===ke.AAC&&postMessage({cmd:k,buffer:i},[i.buffer]),Ve=!0,r!==ke.AAC&&(r===ke.MP3?(gr.mp3Demuxer||(gr.mp3Demuxer=new ri(gr),gr.mp3Demuxer.on("data",((e,t)=>{yr.decode(e,t)}))),gr.mp3Demuxer.dispatch(e.slice(1),t)):yr.decode(e.slice(1),t))}else gr.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",r);else gr.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,t){if(gr.isDestroyed)gr.debug.log("worker","decodeAudio, decoder is destroyed and return");else if(gr.isPlayUseMSEAndDecoderInWorkerAndMseDecodeAudio())_r.decodeAudio(e,t);else if(At(r)&&At(gr._opt.mseDecodeAudio))postMessage({cmd:F,payload:e,ts:t,cts:t},[e.buffer]);else{const r=e[0]>>4;if(Ve){if(nt(e))return void gr.debug.log("worker","decodeAudio and has already initialized and payload is aac codec packet so drop this frame");r===ke.MP3?gr.mp3Demuxer.dispatch(e.slice(1),t):yr.decode(r===ke.AAC?e.slice(2):e.slice(1),t)}else gr.setCodecAudio(e,t)}},setCodecVideo:function(e){const t=15&e[0];if(br&&br.setCodec)if(Et(e))if(t===Ue||t===xe){gr.debug.log("worker",`setCodecVideo: init video codec , codecId is ${t}`);const r=e.slice(5);if(t===Ue&&gr._opt.useSIMD){const e=Ft(r);if(e.codecWidth>4080||e.codecHeight>4080)return postMessage({cmd:G}),void gr.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}const i=new Uint8Array(e);Ge=!0,br.setCodec(t,r),postMessage({cmd:C,code:t}),postMessage({cmd:D,buffer:i,codecId:t},[i.buffer])}else gr.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else gr.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else gr.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,t,i){let n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;if(gr.isDestroyed)gr.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(gr.isPlayUseMSEAndDecoderInWorker())_r.decodeVideo(e,t,i,n);else if(At(r))postMessage({cmd:P,payload:e,isIFrame:i,ts:t,cts:n,delay:gr.delay},[e.buffer]);else if(Ge)if(!tt&&i&&(tt=!0),tt){if(i&&Et(e)){const t=15&e[0];let r={};if(t===Ue){r=Ft(e.slice(5))}else t===xe&&(r=Kt(e));r.codecWidth&&r.codecHeight&&b&&w&&(r.codecWidth!==b||r.codecHeight!==w)&&(gr.debug.warn("worker",`\n decodeVideo: video width or height is changed,\n old width is ${b}, old height is ${w},\n new width is ${r.codecWidth}, new height is ${r.codecHeight},\n and emit change event`),Zt=!0,postMessage({cmd:z}))}if(Zt)return void gr.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(sr)return void gr.debug.warn("worker","decodeVideo: simd decode error, and return");if(Et(e))return void gr.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void gr.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const r=e.slice(5);br.decode(r,i?1:0,t)}else gr.debug.log("worker","decodeVideo first frame is not iFrame");else gr.setCodecVideo(e)},clearBuffer:function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];gr.debug.log("worker",`clearBuffer,bufferList length is ${i.length}, need clear is ${e}`),e&&(i=[]),gr.isPlayer&&(gr.resetAllDelay(),At(gr._opt.checkFirstIFrame)&&(gr.dropping=!0,postMessage({cmd:R}))),At(gr._opt.checkFirstIFrame)&&Ut(r)&&(tt=!1)},dropBuffer$2:function(){if(i.length>0){let e=i.findIndex((e=>At(e.isIFrame)&&e.type===ee));if(gr.isAllIframeInBufferList())for(let t=0;t<i.length;t++){const r=i[t],n=gr.getDelayNotUpdateDelay(r.ts,r.type);if(n>=gr.getNotDroppingDelayTs()){gr.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${n} and notDroppingDelayTs is ${gr.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){gr.isPushDropping=!0,postMessage({cmd:R});const t=i.length;i=i.slice(e);const r=i.shift();gr.resetAllDelay(),gr.getDelay(r.ts,r.type),gr.doDecode(r),gr.isPushDropping=!1,gr.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${i.length} and new delay is ${gr.delay} `)}else gr.isPushDropping=!1}0===i.length&&(gr.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),r=t.getUint32(1,!1),i=t.getUint8(0),n=new ArrayBuffer(4),s=new Uint32Array(n);switch(i){case Q:gr.decode(new Uint8Array(e,5),{type:Q,ts:r});break;case ee:if(t.byteLength>=11){const i=new Uint8Array(e,5),n=i[0];if(gr._isEnhancedH265Header(n))gr._decodeEnhancedH265Video(i,r);else{const e=t.getUint8(5)>>4==1;if(e&&(gr.calcIframeIntervalTimestamp(r),Et(i)&&null===ar)){const e=15&i[0];ar=e===xe}gr.isPlayer&&gr.calcNetworkDelay(r),s[0]=i[4],s[1]=i[3],s[2]=i[2],s[3]=0;let n=s[0],a=gr.cryptoPayload(i,e);gr.decode(a,{type:ee,ts:r,isIFrame:e,cts:n})}}else gr.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){fr.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);hr.dispatch(t)},demuxMpeg4:function(e){pr.dispatch(e)},demuxTs:function(e){mr.dispatch(e)},_decodeEnhancedH265Video:function(e,t){const r=e[0],i=48&r,n=15&r,s=e.slice(1,5),a=new ArrayBuffer(4),o=new Uint32Array(a),d="a"==String.fromCharCode(s[0]);if(ar=Ut(d),n===Ze){if(i===et){const r=e.slice(5);if(d);else{const i=new Uint8Array(5+r.length);i.set([28,0,0,0,0],0),i.set(r,5),or=pt(e,ar),gr.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${ar} and nalUnitSize is ${or}`),gr.decode(i,{type:ee,ts:t,isIFrame:!0,cts:0})}}}else if(n===Je){let r=e,n=0;const s=i===et;if(s&&gr.calcIframeIntervalTimestamp(t),d);else{o[0]=e[4],o[1]=e[3],o[2]=e[2],o[3]=0,n=o[0];r=Qt(e.slice(8),s),r=gr.cryptoPayload(r,s),gr.decode(r,{type:ee,ts:t,isIFrame:s,cts:n})}}else if(n===Qe){const r=i===et;r&&gr.calcIframeIntervalTimestamp(t);let n=Qt(e.slice(5),r);n=gr.cryptoPayload(n,r),gr.decode(n,{type:ee,ts:t,isIFrame:r,cts:0})}},_isEnhancedH265Header:function(e){return 128==(128&e)},findSei:function(e,t){let r=4;yt(or)||(r=or);const i=function(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4;if(e.length<4)return;const r=e.length,i=[];let n,s=0;for(;s+t<r;)if(n=ft(e,s),3===t&&(n>>>=8),s+=t,n){if(s+n>r)break;i.push(e.subarray(s,s+n)),s+=n}return i}(e.slice(5),r);i.forEach((e=>{const r=ar?e[0]>>>1&63:31&e[0];(ar&&(r===De.suffixSei||r===De.prefixSei)||Ut(ar)&&r===Ce.kSliceSEI)&&postMessage({cmd:V,buffer:e,ts:t},[e.buffer])}))},calcNetworkDelay:function(e){if(!(tt&&e>0))return;null===ot?(ot=e,_t=mt()):e<ot&&(gr.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${ot}`),ot=e,_t=mt());const t=e-ot,r=mt()-_t,i=r>t?r-t:0;gr.networkDelay=i,i>gr._opt.networkDelay&&gr._opt.playType===m&&(gr.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${ot} vs start is ${t},local diff is ${r} ,delay is ${i}`),postMessage({cmd:L,type:we,value:i}))},calcIframeIntervalTimestamp:function(e){null===Ht?Ht=e:Ht<e&&(Tt=e-Ht,postMessage({cmd:M,value:Tt}),Ht=e)},canVisibilityDecodeNotDrop:function(){return gr._opt.visibility&&b*w<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return gr.isPlayback&&gr._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return gr._opt.playbackRate>=gr._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return gr.isPlayer&&gr._opt.useMSE&&At(r)},isPlayUseMSEAndDecoderInWorker:function(){return gr.isPlayUseMSE()&&gr._opt.mseDecoderUseWorker},isPlayUseMSEAndDecoderInWorkerAndMseDecodeAudio:function(){return gr.isPlayUseMSEAndDecoderInWorker()&&gr._opt.mseDecodeAudio},playbackUpdatePlaybackRate:function(){gr.clearBuffer(!0)},onOffscreenCanvasWebglContextLost:function(e){gr.debug.error("worker","handleOffscreenCanvasWebglContextLost and next try to create webgl"),e.preventDefault(),qt=!0,gr.webglObj.destroy(),gr.webglObj=null,gr.offscreenCanvasGL=null,setTimeout((()=>{gr.offscreenCanvasGL=gr.offscreenCanvas.getContext("webgl"),gr.offscreenCanvasGL&&gr.offscreenCanvasGL.getContextAttributes().stencil?(gr.webglObj=u(gr.offscreenCanvasGL,gr._opt.openWebglAlignment),qt=!1):gr.debug.error("worker","handleOffscreenCanvasWebglContextLost, stencil is false")}),500)},onOffscreenCanvasWebglContextRestored:function(e){gr.debug.log("worker","handleOffscreenCanvasWebglContextRestored"),e.preventDefault()},videoInfo:function(e,t,r){postMessage({cmd:C,code:e}),postMessage({cmd:E,w:t,h:r}),b=t,w=r,gr.useOffscreen()&&(gr.offscreenCanvas=new OffscreenCanvas(t,r),gr.offscreenCanvasGL=gr.offscreenCanvas.getContext("webgl"),gr.webglObj=u(gr.offscreenCanvasGL,gr._opt.openWebglAlignment),gr.offscreenCanvas.addEventListener("webglcontextlost",gr.onOffscreenCanvasWebglContextLost,!1),gr.offscreenCanvas.addEventListener("webglcontextrestored",gr.onOffscreenCanvasWebglContextRestored,!1))},audioInfo:function(e,t,r){postMessage({cmd:B,code:e}),postMessage({cmd:x,sampleRate:t,channels:r,depth:dr}),Pt=r},yuvData:function(t,r){if(gr.isDestroyed)return void gr.debug.log("worker","yuvData, decoder is destroyed and return");const i=b*w*3/2;let n=e.HEAPU8.subarray(t,t+i),s=new Uint8Array(n);if(Bt=null,gr.useOffscreen())try{if(qt)return;gr.webglObj.renderYUV(b,w,s);let e=gr.offscreenCanvas.transferToImageBitmap();postMessage({cmd:A,buffer:e,delay:gr.delay,ts:r},[e])}catch(e){gr.debug.error("worker","yuvData, transferToImageBitmap error is",e)}else postMessage({cmd:A,output:s,delay:gr.delay,ts:r},[s.buffer])},pcmData:function(e,r,i){if(gr.isDestroyed)return void gr.debug.log("worker","pcmData, decoder is destroyed and return");let s=r,a=[],o=0,d=gr._opt.audioBufferSize;for(let r=0;r<2;r++){let i=t.HEAPU32[(e>>2)+r]>>2;a[r]=t.HEAPF32.subarray(i,i+s)}if(kt){if(!(s>=(r=d-kt)))return kt+=s,n[0]=Float32Array.of(...n[0],...a[0]),void(2==Pt&&(n[1]=Float32Array.of(...n[1],...a[1])));xt[0]=Float32Array.of(...n[0],...a[0].subarray(0,r)),2==Pt&&(xt[1]=Float32Array.of(...n[1],...a[1].subarray(0,r))),postMessage({cmd:U,buffer:xt,ts:i},xt.map((e=>e.buffer))),o=r,s-=r}for(kt=s;kt>=d;kt-=d)xt[0]=a[0].slice(o,o+=d),2==Pt&&(xt[1]=a[1].slice(o-d,o)),postMessage({cmd:U,buffer:xt,ts:i},xt.map((e=>e.buffer)));kt&&(n[0]=a[0].slice(o),2==Pt&&(n[1]=a[1].slice(o)))},errorInfo:function(e){null===Bt&&(Bt=mt());const t=mt(),r=(i=Tt>0?2*Tt:5e3,n=1e3,s=5e3,Math.max(Math.min(i,Math.max(n,s)),Math.min(n,s)));var i,n,s;const a=t-Bt;a>r&&(gr.debug.warn("worker",`errorInfo() emit simdDecodeError and\n iframeIntervalTimestamp is ${Tt} and diff is ${a} and maxDiff is ${r}\n and replay`),sr=!0,postMessage({cmd:O}))},sendWebsocketMessage:function(e){o?o.readyState===Ae?o.send(e):gr.debug.error("worker","socket is not open"):gr.debug.error("worker","socket is null")},timeEnd:function(){},postStreamToMain(e,t){postMessage({cmd:H,type:t,buffer:e},[e.buffer])}};gr.debug=new Dt(gr);let yr=null;t.AudioDecoder&&(yr=new t.AudioDecoder(gr));let br=null;e.VideoDecoder&&(br=new e.VideoDecoder(gr)),postMessage({cmd:S}),self.onmessage=function(e){let t=e.data;if(!gr.isTimeWait)switch(t.cmd){case ne:try{gr._opt=Object.assign(gr._opt,JSON.parse(t.opt))}catch(e){}gr.init();break;case se:gr.pushBuffer(t.buffer,t.options);break;case ae:gr.decodeAudio(t.buffer,t.ts);break;case oe:gr.decodeVideo(t.buffer,t.ts,t.isIFrame);break;case ue:gr.clearBuffer(t.needClear),gr.isTimeWait=!0,setTimeout((()=>{gr.isTimeWait=!1}),1e3);break;case ce:gr.fetchStream(t.url,JSON.parse(t.opt));break;case de:gr.close();break;case le:gr.debug.log("worker","updateConfig",t.key,t.value),gr._opt[t.key]=t.value,"playbackRate"===t.key&&(gr.playbackUpdatePlaybackRate(),gr.isPlaybackCacheBeforeDecodeForFpsRender()&&gr.playbackCacheLoop());break;case fe:gr.sendWebsocketMessage(t.message);break;case he:_r.$video.currentTime=Number(t.message)}}}Date.now||(Date.now=function(){return(new Date).getTime()}),t({printErr:function(e){console.warn("EasyPro[❌❌❌][worker]:",e)}}).then((e=>{ki(e,e,!0)}))}));
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