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Ce.ErrnoError(55);try{l=Ce.lookupNode(i,a)}catch(e){}if(d!==l){var h=Ce.isDir(d.mode),c=Ce.mayDelete(r,o,h);if(c)throw new Ce.ErrnoError(c);if(c=l?Ce.mayDelete(i,a,h):Ce.mayCreate(i,a))throw new Ce.ErrnoError(c);if(!r.node_ops.rename)throw new Ce.ErrnoError(63);if(Ce.isMountpoint(d)||l&&Ce.isMountpoint(l))throw new Ce.ErrnoError(10);if(i!==r&&(c=Ce.nodePermissions(r,"w")))throw new Ce.ErrnoError(c);Ce.hashRemoveNode(d);try{r.node_ops.rename(d,i,a)}catch(e){throw e}finally{Ce.hashAddNode(d)}}},rmdir(e){var t=Ce.lookupPath(e,{parent:!0}).node,r=le.basename(e),i=Ce.lookupNode(t,r),n=Ce.mayDelete(t,r,!0);if(n)throw new Ce.ErrnoError(n);if(!t.node_ops.rmdir)throw new Ce.ErrnoError(63);if(Ce.isMountpoint(i))throw new Ce.ErrnoError(10);t.node_ops.rmdir(t,r),Ce.destroyNode(i)},readdir(e){var t=Ce.lookupPath(e,{follow:!0}).node;if(!t.node_ops.readdir)throw new Ce.ErrnoError(54);return t.node_ops.readdir(t)},unlink(e){var t=Ce.lookupPath(e,{parent:!0}).node;if(!t)throw new Ce.ErrnoError(44);var r=le.basename(e),i=Ce.lookupNode(t,r),n=Ce.mayDelete(t,r,!1);if(n)throw new Ce.ErrnoError(n);if(!t.node_ops.unlink)throw new Ce.ErrnoError(63);if(Ce.isMountpoint(i))throw new Ce.ErrnoError(10);t.node_ops.unlink(t,r),Ce.destroyNode(i)},readlink(e){var t=Ce.lookupPath(e).node;if(!t)throw new Ce.ErrnoError(44);if(!t.node_ops.readlink)throw new Ce.ErrnoError(28);return he.resolve(Ce.getPath(t.parent),t.node_ops.readlink(t))},stat(e,t){var r=Ce.lookupPath(e,{follow:!t}).node;if(!r)throw new Ce.ErrnoError(44);if(!r.node_ops.getattr)throw new Ce.ErrnoError(63);return r.node_ops.getattr(r)},lstat:e=>Ce.stat(e,!0),chmod(e,t,r){var i;"string"==typeof e?i=Ce.lookupPath(e,{follow:!r}).node:i=e;if(!i.node_ops.setattr)throw new Ce.ErrnoError(63);i.node_ops.setattr(i,{mode:4095&t|-4096&i.mode,timestamp:Date.now()})},lchmod(e,t){Ce.chmod(e,t,!0)},fchmod(e,t){var r=Ce.getStreamChecked(e);Ce.chmod(r.node,t)},chown(e,t,r,i){var n;"string"==typeof e?n=Ce.lookupPath(e,{follow:!i}).node:n=e;if(!n.node_ops.setattr)throw new Ce.ErrnoError(63);n.node_ops.setattr(n,{timestamp:Date.now()})},lchown(e,t,r){Ce.chown(e,t,r,!0)},fchown(e,t,r){var i=Ce.getStreamChecked(e);Ce.chown(i.node,t,r)},truncate(e,t){if(t<0)throw new Ce.ErrnoError(28);var r;"string"==typeof e?r=Ce.lookupPath(e,{follow:!0}).node:r=e;if(!r.node_ops.setattr)throw new Ce.ErrnoError(63);if(Ce.isDir(r.mode))throw new Ce.ErrnoError(31);if(!Ce.isFile(r.mode))throw new Ce.ErrnoError(28);var i=Ce.nodePermissions(r,"w");if(i)throw new Ce.ErrnoError(i);r.node_ops.setattr(r,{size:t,timestamp:Date.now()})},ftruncate(e,t){var r=Ce.getStreamChecked(e);if(0==(2097155&r.flags))throw new Ce.ErrnoError(28);Ce.truncate(r.node,t)},utime(e,t,r){var i=Ce.lookupPath(e,{follow:!0}).node;i.node_ops.setattr(i,{timestamp:Math.max(t,r)})},open(e,t,r){if(""===e)throw new Ce.ErrnoError(44);var i;if(r=void 0===r?438:r,r=64&(t="string"==typeof t?Ae(t):t)?4095&r|32768:0,"object"==typeof e)i=e;else{e=le.normalize(e);try{i=Ce.lookupPath(e,{follow:!(131072&t)}).node}catch(e){}}var s=!1;if(64&t)if(i){if(128&t)throw new Ce.ErrnoError(20)}else i=Ce.mknod(e,r,0),s=!0;if(!i)throw new Ce.ErrnoError(44);if(Ce.isChrdev(i.mode)&&(t&=-513),65536&t&&!Ce.isDir(i.mode))throw new Ce.ErrnoError(54);if(!s){var o=Ce.mayOpen(i,t);if(o)throw new Ce.ErrnoError(o)}512&t&&!s&&Ce.truncate(i,0),t&=-131713;var a=Ce.createStream({node:i,path:Ce.getPath(i),flags:t,seekable:!0,position:0,stream_ops:i.stream_ops,ungotten:[],error:!1});return a.stream_ops.open&&a.stream_ops.open(a),!n.logReadFiles||1&t||(Ce.readFiles||(Ce.readFiles={}),e in Ce.readFiles||(Ce.readFiles[e]=1)),a},close(e){if(Ce.isClosed(e))throw new Ce.ErrnoError(8);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e)}catch(e){throw e}finally{Ce.closeStream(e.fd)}e.fd=null},isClosed:e=>null===e.fd,llseek(e,t,r){if(Ce.isClosed(e))throw new Ce.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new 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o||(e.position+=a),a},allocate(e,t,r){if(Ce.isClosed(e))throw new Ce.ErrnoError(8);if(t<0||r<=0)throw new Ce.ErrnoError(28);if(0==(2097155&e.flags))throw new Ce.ErrnoError(8);if(!Ce.isFile(e.node.mode)&&!Ce.isDir(e.node.mode))throw new Ce.ErrnoError(43);if(!e.stream_ops.allocate)throw new Ce.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 Ce.ErrnoError(2);if(1==(2097155&e.flags))throw new Ce.ErrnoError(2);if(!e.stream_ops.mmap)throw new Ce.ErrnoError(43);return e.stream_ops.mmap(e,t,r,i,n)},msync:(e,t,r,i,n)=>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 Ce.ErrnoError(59);return e.stream_ops.ioctl(e,t,r)},readFile(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=Ce.open(e,t.flags),n=Ce.stat(e).size,s=new Uint8Array(n);return Ce.read(i,s,0,n,0),"utf8"===t.encoding?r=fe(s,0):"binary"===t.encoding&&(r=s),Ce.close(i),r},writeFile(e,t){let r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};r.flags=r.flags||577;var i=Ce.open(e,r.flags,r.mode);if("string"==typeof t){var n=new Uint8Array(me(t)+1),s=_e(t,n,0,n.length);Ce.write(i,n,0,s,void 0,r.canOwn)}else{if(!ArrayBuffer.isView(t))throw new Error("Unsupported data type");Ce.write(i,t,0,t.byteLength,void 0,r.canOwn)}Ce.close(i)},cwd:()=>Ce.currentPath,chdir(e){var t=Ce.lookupPath(e,{follow:!0});if(null===t.node)throw new Ce.ErrnoError(44);if(!Ce.isDir(t.node.mode))throw new Ce.ErrnoError(54);var r=Ce.nodePermissions(t.node,"x");if(r)throw new Ce.ErrnoError(r);Ce.currentPath=t.path},createDefaultDirectories(){Ce.mkdir("/tmp"),Ce.mkdir("/home"),Ce.mkdir("/home/web_user")},createDefaultDevices(){Ce.mkdir("/dev"),Ce.registerDevice(Ce.makedev(1,3),{read:()=>0,write:(e,t,r,i,n)=>i}),Ce.mkdev("/dev/null",Ce.makedev(1,3)),ve.register(Ce.makedev(5,0),ve.default_tty_ops),ve.register(Ce.makedev(6,0),ve.default_tty1_ops),Ce.mkdev("/dev/tty",Ce.makedev(5,0)),Ce.mkdev("/dev/tty1",Ce.makedev(6,0));var e=new Uint8Array(1024),t=0,r=()=>(0===t&&(t=ue(e).byteLength),e[--t]);Ce.createDevice("/dev","random",r),Ce.createDevice("/dev","urandom",r),Ce.mkdir("/dev/shm"),Ce.mkdir("/dev/shm/tmp")},createSpecialDirectories(){Ce.mkdir("/proc");var e=Ce.mkdir("/proc/self");Ce.mkdir("/proc/self/fd"),Ce.mount({mount(){var t=Ce.createNode(e,"fd",16895,73);return t.node_ops={lookup(e,t){var r=+t,i=Ce.getStreamChecked(r),n={parent:null,mount:{mountpoint:"fake"},node_ops:{readlink:()=>i.path}};return n.parent=n,n}},t}},{},"/proc/self/fd")},createStandardStreams(){n.stdin?Ce.createDevice("/dev","stdin",n.stdin):Ce.symlink("/dev/tty","/dev/stdin"),n.stdout?Ce.createDevice("/dev","stdout",null,n.stdout):Ce.symlink("/dev/tty","/dev/stdout"),n.stderr?Ce.createDevice("/dev","stderr",null,n.stderr):Ce.symlink("/dev/tty1","/dev/stderr"),Ce.open("/dev/stdin",0),Ce.open("/dev/stdout",1),Ce.open("/dev/stderr",1)},ensureErrnoError(){Ce.ErrnoError||(Ce.ErrnoError=function(e,t){this.name="ErrnoError",this.node=t,this.setErrno=function(e){this.errno=e},this.setErrno(e),this.message="FS error"},Ce.ErrnoError.prototype=new Error,Ce.ErrnoError.prototype.constructor=Ce.ErrnoError,[44].forEach((e=>{Ce.genericErrors[e]=new Ce.ErrnoError(e),Ce.genericErrors[e].stack=""})))},staticInit(){Ce.ensureErrnoError(),Ce.nameTable=new Array(4096),Ce.mount(we,{},"/"),Ce.createDefaultDirectories(),Ce.createDefaultDevices(),Ce.createSpecialDirectories(),Ce.filesystems={MEMFS:we}},init(e,t,r){Ce.init.initialized=!0,Ce.ensureErrnoError(),n.stdin=e||n.stdin,n.stdout=t||n.stdout,n.stderr=r||n.stderr,Ce.createStandardStreams()},quit(){Ce.init.initialized=!1;for(var e=0;ethis.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+". Status: "+e.status);var t,i=Number(e.getResponseHeader("Content-length")),n=(t=e.getResponseHeader("Accept-Ranges"))&&"bytes"===t,s=(t=e.getResponseHeader("Content-Encoding"))&&"gzip"===t,o=1048576;n||(o=i);var a=this;a.setDataGetter((e=>{var t=e*o,n=(e+1)*o-1;if(n=Math.min(n,i-1),void 0===a.chunks[e]&&(a.chunks[e]=((e,t)=>{if(e>t)throw new Error("invalid range ("+e+", "+t+") or no bytes requested!");if(t>i-1)throw new Error("only "+i+" bytes available! programmer error!");var n=new XMLHttpRequest;if(n.open("GET",r,!1),i!==o&&n.setRequestHeader("Range","bytes="+e+"-"+t),n.responseType="arraybuffer",n.overrideMimeType&&n.overrideMimeType("text/plain; charset=x-user-defined"),n.send(null),!(n.status>=200&&n.status<300||304===n.status))throw new Error("Couldn't load "+r+". 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Use --embed-file or --preload-file in emcc";var o=new s;Object.defineProperties(o,{length:{get:function(){return this.lengthKnown||this.cacheLength(),this._length}},chunkSize:{get:function(){return this.lengthKnown||this.cacheLength(),this._chunkSize}}});var a={isDevice:!1,contents:o}}else a={isDevice:!1,url:r};var l=Ce.createFile(e,t,a,i,n);a.contents?l.contents=a.contents:a.url&&(l.contents=null,l.url=a.url),Object.defineProperties(l,{usedBytes:{get:function(){return this.contents.length}}});var d={};function u(e,t,r,i,n){var s=e.node.contents;if(n>=s.length)return 0;var o=Math.min(s.length-n,i);if(s.slice)for(var a=0;a{var t=l.stream_ops[e];d[e]=function(){return Ce.forceLoadFile(l),t.apply(null,arguments)}})),d.read=(e,t,r,i,n)=>(Ce.forceLoadFile(l),u(e,t,r,i,n)),d.mmap=(e,t,r,i,n)=>{Ce.forceLoadFile(l);var s=be();if(!s)throw new Ce.ErrnoError(48);return 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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}}Pt.U32=Ct,Pt.U16=Bt,Pt.U8=Ft;class Dt{constructor(e){this.log=function(t){if(e._opt.debug&&e._opt.debugLevel==v){const s=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var r=arguments.length,i=new Array(r>1?r-1:0),n=1;n1?r-1:0),n=1;n1?i-1:0),s=1;s32&&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<>>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)}}class Lt{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;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=Lt._ebsp2rbsp(e),r=new It(t);r.readByte();let i=r.readByte();r.readByte();let n=r.readByte();r.readUEG();let s=Lt.getProfileString(i),o=Lt.getLevelString(n),a=1,l=420,d=[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)&&(a=r.readUEG(),3===a&&r.readBits(1),a<=3&&(l=d[a]),u=r.readUEG()+8,r.readUEG(),r.readBits(1),r.readBool())){let e=3!==a?8:12;for(let t=0;t0&&e<16?(b=t[e-1],w=i[e-1]):255===e&&(b=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);S=r.readBool(),U=t,x=2*e,E=U/x}}let k=1;1===b&&1===w||(k=b/w);let A=0,T=0;if(0===a)A=1,T=2-m;else{A=3===a?1:2,T=(1===a?2:1)*(2-m)}let C=16*(f+1),B=16*(p+1)*(2-m);C-=(_+g)*A,B-=(y+v)*T;let F=Math.ceil(C*k);return r.destroy(),r=null,{profile_string:s,level_string:o,bit_depth:u,ref_frames:c,chroma_format:l,chroma_format_string:Lt.getChromaFormatString(l),frame_rate:{fixed:S,fps:E,fps_den:x,fps_num:U},sar_ratio:{width:b,height:w},codec_size:{width:C,height:B},present_size:{width:F,height:B}}}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=Lt._ebsp2rbsp(e),n=new It(i);n.readByte();let s=n.readByte();n.readByte();let o=n.readByte();n.readUEG();let a=Lt.getProfileString(s),l=Lt.getLevelString(o),d=1,u=420,h=[0,420,422,444],c=8,f=8;if((100===s||110===s||122===s||244===s||44===s||83===s||86===s||118===s||128===s||138===s||144===s)&&(d=n.readUEG(),3===d&&n.readBits(1),d<=3&&(u=h[d]),c=n.readUEG()+8,f=n.readUEG()+8,n.readBits(1),n.readBool())){let e=3!==d?8:12;for(let t=0;t0&&e<16?(S=t[e-1],U=r[e-1]):255===e&&(S=n.readByte()<<8|n.readByte(),U=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);k=n.readBool(),A=t,T=2*e,x=A/T}}let C=1;1===S&&1===U||(C=S/U);let B=0,F=0;if(0===d)B=1,F=2-y;else{B=3===d?1:2,F=(1===d?2:1)*(2-y)}let P=16*(_+1),D=16*(g+1)*(2-y);P-=(v+b)*B,D-=(w+E)*F;let I=Math.ceil(P*C);return n.destroy(),n=null,{codec_mimetype:r,profile_idc:s,level_idc:o,profile_string:a,level_string:l,chroma_format_idc:d,bit_depth:c,bit_depth_luma:c,bit_depth_chroma:f,ref_frames:m,chroma_format:u,chroma_format_string:Lt.getChromaFormatString(u),frame_rate:{fixed:k,fps:x,fps_den:T,fps_num:A},sar_ratio:{width:S,height:U},codec_size:{width:P,height:D},present_size:{width:I,height:D}}}static _skipScalingList(e,t){let r=8,i=8,n=0;for(let s=0;s=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<>>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 Mt(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 Ot(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}function Nt(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 $t(e){return 31&e[0]}function Gt(e){return e===Re}function Ht(e){return!function(e){return e===De||e===Ie}(e)&&!Gt(e)}function Vt(e){return e===Le}function Wt(e){if(0===e.length)return!1;const t=$t(e[0]);for(let r=1;r{let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;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)},Yt=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"}};function qt(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return(e[t]<<24>>>0)+(e[t+1]<<16)+(e[t+2]<<8)+(e[t+3]||0)}function Kt(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>>=8),s+=t,n){if(s+n>r)break;i.push(e.subarray(s,s+n)),s+=n}return i}function Xt(e){const t=e.byteLength,r=new Uint8Array(4);r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t;const i=new Uint8Array(t+4);return i.set(r,0),i.set(e,4),i}function Zt(e,t){let r=null;return t?e.length>=28&&(r=1+(3&e[26])):e.length>=12&&(r=1+(3&e[9])),r}function Jt(e){let t={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;e0)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{let t=jt(e),r=new It(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()}})(t),o=(e=>{let t=jt(e),r=new It(t);r.readByte(),r.readByte();let i=0,n=0,s=0,o=0;r.readBits(4);let a=r.readBits(3);r.readBool();let l=r.readBits(2),d=r.readBool(),u=r.readBits(5),h=r.readByte(),c=r.readByte(),f=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),v=r.readByte(),b=r.readByte(),w=r.readByte(),E=[],S=[];for(let e=0;e0)for(let e=a;e<8;e++)r.readBits(2);for(let e=0;e1&&r.readSEG();for(let e=0;e0&&e<16?(I=t[e-1],L=i[e-1]):255===e&&(I=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())),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),P=r.readBool(),P&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),o+=r.readUEG()),r.readBool()&&(z=r.readBits(32),M=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<=a;n++){let n=r.readBool();R=n;let s=!1,o=1;n||(s=r.readBool());let a=!1;if(s?r.readSEG():a=r.readBool(),a||(cpbcnt=r.readUEG()+1),e)for(let e=0;e{let t=jt(e),r=new It(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}})(r);n=Object.assign(n,s,o,a);let l=23+(5+t.byteLength)+(5+i.byteLength)+(5+r.byteLength),d=new Uint8Array(l);d[0]=1,d[1]=(3&n.general_profile_space)<<6|(n.general_tier_flag?1:0)<<5|31&n.general_profile_idc,d[2]=n.general_profile_compatibility_flags_1||0,d[3]=n.general_profile_compatibility_flags_2||0,d[4]=n.general_profile_compatibility_flags_3||0,d[5]=n.general_profile_compatibility_flags_4||0,d[6]=n.general_constraint_indicator_flags_1||0,d[7]=n.general_constraint_indicator_flags_2||0,d[8]=n.general_constraint_indicator_flags_3||0,d[9]=n.general_constraint_indicator_flags_4||0,d[10]=n.general_constraint_indicator_flags_5||0,d[11]=n.general_constraint_indicator_flags_6||0,d[12]=60,d[13]=240|(3840&n.min_spatial_segmentation_idc)>>8,d[14]=255&n.min_spatial_segmentation_idc,d[15]=252|3&n.parallelismType,d[16]=252|3&n.chroma_format_idc,d[17]=248|7&n.bit_depth_luma_minus8,d[18]=248|7&n.bit_depth_chroma_minus8,d[19]=0,d[20]=0,d[21]=(3&n.constant_frame_rate)<<6|(7&n.num_temporal_layers)<<3|(n.temporal_id_nested?1:0)<<2|3,d[22]=3,d[23]=128|Oe,d[24]=0,d[25]=1,d[26]=(65280&t.byteLength)>>8,d[27]=(255&t.byteLength)>>0,d.set(t,28),d[23+(5+t.byteLength)+0]=128|Ne,d[23+(5+t.byteLength)+1]=0,d[23+(5+t.byteLength)+2]=1,d[23+(5+t.byteLength)+3]=(65280&i.byteLength)>>8,d[23+(5+t.byteLength)+4]=(255&i.byteLength)>>0,d.set(i,23+(5+t.byteLength)+5),d[23+(5+t.byteLength+5+i.byteLength)+0]=128|$e,d[23+(5+t.byteLength+5+i.byteLength)+1]=0,d[23+(5+t.byteLength+5+i.byteLength)+2]=1,d[23+(5+t.byteLength+5+i.byteLength)+3]=(65280&r.byteLength)>>8,d[23+(5+t.byteLength+5+i.byteLength)+4]=(255&r.byteLength)>>0,d.set(r,23+(5+t.byteLength+5+i.byteLength)+5);const 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Pr(e){for(var t=[],r=0;r>2,this._Ke[r][t%4]=s[t],this._Kd[e-r][t%4]=s[t];for(var o,a=0,l=n;l>16&255]<<24^yr[o>>8&255]<<16^yr[255&o]<<8^yr[o>>24&255]^gr[a]<<24,a+=1,8!=n)for(t=1;t>8&255]<<8^yr[o>>16&255]<<16^yr[o>>24&255]<<24;for(t=n/2+1;t>2,u=l%4,this._Ke[d][u]=s[t],this._Kd[e-d][u]=s[t++],l++}for(var d=1;d>24&255]^Cr[o>>16&255]^Br[o>>8&255]^Fr[255&o]},Dr.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=Pr(e),n=0;n<4;n++)i[n]^=this._Ke[0][n];for(var s=1;s>24&255]^wr[i[(n+1)%4]>>16&255]^Er[i[(n+2)%4]>>8&255]^Sr[255&i[(n+3)%4]]^this._Ke[s][n];i=r.slice()}var o,a=hr(16);for(n=0;n<4;n++)o=this._Ke[t][n],a[4*n]=255&(yr[i[n]>>24&255]^o>>24),a[4*n+1]=255&(yr[i[(n+1)%4]>>16&255]^o>>16),a[4*n+2]=255&(yr[i[(n+2)%4]>>8&255]^o>>8),a[4*n+3]=255&(yr[255&i[(n+3)%4]]^o);return a},Dr.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=Pr(e),n=0;n<4;n++)i[n]^=this._Kd[0][n];for(var s=1;s>24&255]^xr[i[(n+3)%4]>>16&255]^kr[i[(n+2)%4]>>8&255]^Ar[255&i[(n+1)%4]]^this._Kd[s][n];i=r.slice()}var o,a=hr(16);for(n=0;n<4;n++)o=this._Kd[t][n],a[4*n]=255&(vr[i[n]>>24&255]^o>>24),a[4*n+1]=255&(vr[i[(n+3)%4]>>16&255]^o>>16),a[4*n+2]=255&(vr[i[(n+2)%4]>>8&255]^o>>8),a[4*n+3]=255&(vr[255&i[(n+1)%4]]^o);return a};var Ir=function(e){if(!(this instanceof Ir))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new Dr(e)};Ir.prototype.encrypt=function(e){if((e=ur(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=hr(e.length),r=hr(16),i=0;iNumber.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)},Mr.prototype.setBytes=function(e){if(16!=(e=ur(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},Mr.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var Or=function(e,t){if(!(this instanceof Or))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof Mr||(t=new Mr(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new Dr(e)};Or.prototype.encrypt=function(e){for(var t=ur(e,!0),r=0;r16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i3&&void 0!==arguments[3]&&arguments[3];t=new Uint8Array(t),r=new Uint8Array(r);const n=e.byteLength;let s=5;for(;sn)break;let a=e[s+4],l=!1;if(i?(a=a>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(a)):(a&=31,l=1===a||5===a),l){const i=e.slice(s+4+2,s+4+o);let n=new Nr.ModeOfOperation.ctr(t,new Nr.Counter(r));const a=n.decrypt(i);n=null,e.set(a,s+4+2)}s=s+4+o}return e}function Hr(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let n=new Nr.ModeOfOperation.ctr(t,new Nr.Counter(r));const s=n.decrypt(i);return n=null,e.set(s,32),e}var Vr=ot((function(e,t){var r,n,s,o=(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("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=n&&console.info("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=n&&console.warn("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=n&&console.error("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},s);o.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length0){for(var r="",i=0;i0&&(r+=","),r+="["+o.getDurationString(e.start(i))+","+o.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=o;var a=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};a.prototype.getPosition=function(){return this.position},a.prototype.getEndPosition=function(){return this.buffer.byteLength},a.prototype.getLength=function(){return this.buffer.byteLength},a.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},a.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},a.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"},a.prototype.readUint8=function(){return this.readAnyInt(1,!1)},a.prototype.readUint16=function(){return this.readAnyInt(2,!1)},a.prototype.readUint24=function(){return this.readAnyInt(3,!1)},a.prototype.readUint32=function(){return this.readAnyInt(4,!1)},a.prototype.readUint64=function(){return this.readAnyInt(8,!1)},a.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",r=0;rthis._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}}},l.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}},l.BIG_ENDIAN=!1,l.LITTLE_ENDIAN=!0,l.prototype._byteLength=0,Object.defineProperty(l.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(l.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(l.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(l.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}}),l.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},l.prototype.isEof=function(){return this.position>=this._byteLength},l.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},l.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return l.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},l.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return l.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},l.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},l.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},l.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},l.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},l.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},l.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,l.memcpy=function(e,t,r,i,n){var s=new Uint8Array(e,t,n),o=new Uint8Array(r,i,n);s.set(o)},l.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},l.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},l.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;rn;i--,n++){var s=t[n];t[n]=t[i],t[i]=s}return e},l.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},l.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},l.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.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},l.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},l.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return l.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 l(new ArrayBuffer,0,l.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,o.debug("MultiBufferStream","Stream ready for parsing"),!0):(o.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(o.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){o.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;ri.byteLength){this.buffers.splice(r,1),r--;continue}o.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)),o.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.fileStart0)){t=!1;break}e=this.reduceBuffer(e,n,s)}}t&&(o.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,a=[],l="";for(i=0,n=0,t=0;t0&&(l+=s.end-1+"]");var d=e?o.info:o.debug;0===this.buffers.length?d("MultiBufferStream","No more buffer in memory"):d("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+n+" bytes), continuous ranges: "+l)},u.prototype.cleanBuffers=function(){var e,t;for(e=0;e"+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=t?(o.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>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=h;var c={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(){c.FullBox.prototype=new c.Box,c.ContainerBox.prototype=new c.Box,c.SampleEntry.prototype=new c.Box,c.TrackGroupTypeBox.prototype=new c.FullBox,c.BASIC_BOXES.forEach((function(e){c.createBoxCtor(e)})),c.FULL_BOXES.forEach((function(e){c.createFullBoxCtor(e)})),c.CONTAINER_BOXES.forEach((function(e){c.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){c.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){c.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){c.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){c.FullBox.call(this,e,t)},createBoxCtor:function(e,t){c.boxCodes.push(e),c[e+"Box"]=function(t){c.Box.call(this,e,t)},c[e+"Box"].prototype=new c.Box,t&&(c[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){c[e+"Box"]=function(t){c.FullBox.call(this,e,t)},c[e+"Box"].prototype=new c.FullBox,c[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;rr?(o.error("BoxParser","Box of type '"+u+"' has a size "+d+" greater than its container size "+r),{code:c.ERR_NOT_ENOUGH_DATA,type:u,size:d,hdr_size:l,start:a}):0!==d&&a+d>e.getEndPosition()?(e.seek(a),o.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:c.ERR_NOT_ENOUGH_DATA,type:u,size:d,hdr_size:l,start:a}):t?{code:c.OK,type:u,size:d,hdr_size:l,start:a}:(c[u+"Box"]?i=new c[u+"Box"](d):"uuid"!==u?(o.warn("BoxParser","Unknown box type: '"+u+"'"),(i=new c.Box(u,d)).has_unparsed_data=!0):c.UUIDBoxes[s]?i=new c.UUIDBoxes[s](d):(o.warn("BoxParser","Unknown uuid type: '"+s+"'"),(i=new c.Box(u,d)).uuid=s,i.has_unparsed_data=!0),i.hdr_size=l,i.start=a,i.write===c.Box.prototype.write&&"mdat"!==i.type&&(o.info("BoxParser","'"+h+"' 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?(o.warn("BoxParser","Parsing of box '"+h+"' did not read the entire indicated box data size (missing "+-n+" bytes), seeking forward"),e.seek(i.start+i.size)):n>0&&(o.error("BoxParser","Parsing of box '"+h+"' read "+n+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:c.OK,box:i,size:i.size})},c.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)},c.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},c.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},c.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},c.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},c.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()>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)},c.SAMPLE_ENTRY_TYPE_VISUAL="Visual",c.SAMPLE_ENTRY_TYPE_AUDIO="Audio",c.SAMPLE_ENTRY_TYPE_HINT="Hint",c.SAMPLE_ENTRY_TYPE_METADATA="Metadata",c.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",c.SAMPLE_ENTRY_TYPE_SYSTEM="System",c.SAMPLE_ENTRY_TYPE_TEXT="Text",c.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},c.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},c.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},c.SampleEntry.prototype.parseFooter=function(e){c.ContainerBox.prototype.parse.call(this,e)},c.createMediaSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_HINT),c.createMediaSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_METADATA),c.createMediaSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_SUBTITLE),c.createMediaSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_SYSTEM),c.createMediaSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_TEXT),c.createMediaSampleEntryCtor(c.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)})),c.createMediaSampleEntryCtor(c.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)})),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),c.createSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_TEXT,"enct"),c.createEncryptedSampleEntryCtor(c.SAMPLE_ENTRY_TYPE_METADATA,"encm"),c.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()})),c.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),c.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)})),c.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)o.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 o.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else o.error("av1C reserved_1 parsing problem");else o.error("av1C version "+this.version+" not supported")})),c.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;t0&&(this.ext=e.readUint8Array(r))})),c.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),c.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()})),c.createBoxCtor("cdef",(function(e){var t;for(this.channel_count=e.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],t=0;t=32768&&this.component_type_urls.push(e.readCString())}})),c.createFullBoxCtor("co64",(function(e){var t,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),c.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),c.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())})),c.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r>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})),c.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>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=o>>1&15,i.num_dep_sub>0&&(i.chan_loc=(1&o)<<8|e.readUint8())}})),c.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(", ")+")"})),c.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),c.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),c.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),c.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=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),c.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)))})),c.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>7,o.nalu_type=63&n;var a=e.readUint16();for(r=0;r>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>7,this.axis=1&t})),c.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),o.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()))})),c.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t>7==1,1&this.flags?o.property_index=(127&s)<<8|e.readUint8():o.property_index=127&s}}})),c.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()>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:o.warn("BoxParser","Unknown leva assignement type")}}})),c.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),c.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),f.prototype.toString=function(){return"("+this.x+","+this.y+")"},c.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]=new f(e.readUint16(),e.readUint16()),this.display_primaries[1]=new f(e.readUint16(),e.readUint16()),this.display_primaries[2]=new f(e.readUint16(),e.readUint16()),this.white_point=new f(e.readUint16(),e.readUint16()),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),c.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()})),c.createFullBoxCtor("mehd",(function(e){1&this.flags&&(o.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()})),c.createFullBoxCtor("meta",(function(e){this.boxes=[],c.ContainerBox.prototype.parse.call(this,e)})),c.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),c.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),c.createFullBoxCtor("mskC",(function(e){this.bits_per_pixel=e.readUint8()})),c.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()})),c.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),c.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),c.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var r=0;r0){var t=e.readUint32();this.kid=[];for(var r=0;r0&&(this.data=e.readUint8Array(i))})),c.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),c.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),c.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),c.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),c.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),c.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>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>7,this.num_leading_samples=127&t})),c.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)o.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>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=c.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))})),c.createSampleGroupCtor("stsa",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),c.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),c.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),c.createSampleGroupCtor("tsas",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),c.createSampleGroupCtor("tscl",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),c.createSampleGroupCtor("vipr",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),c.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>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})),c.createFullBoxCtor("senc"),c.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),o.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>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}})),c.SingleItemTypeReferenceBox=function(e,t,r,i){c.Box.call(this,e,t),this.hdr_size=r,this.start=i},c.SingleItemTypeReferenceBox.prototype=new c.Box,c.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t0)for(r=0;r>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=c.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))})),c.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),c.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&c.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&c.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&c.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&c.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&c.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),c.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>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),c.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),c.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),c.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),c.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),c.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),c.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},c.createTrackGroupCtor("msrc"),c.TrackReferenceTypeBox=function(e,t,r,i){c.Box.call(this,e,t),this.hdr_size=r,this.start=i},c.TrackReferenceTypeBox.prototype=new c.Box,c.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},c.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()t&&this.flags&c.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&c.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>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()}})),c.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),c.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),c.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")})),c.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=c.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),c.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),c.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=c.parseHex16(e)})),c.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;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))})),c.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),c.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<1){for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var o=i.extract_bits(1);this.ptl_sublayer_present_mask|=o<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<>=1;t+=c.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="."+c.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+s,n=!0);t+=s}return t},c.vvc1SampleEntry.prototype.getCodec=c.vvi1SampleEntry.prototype.getCodec=function(){var e,t=c.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>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 o="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",a=0,l=0;for(e=0;e<=i;++e)for(a=a<<8|n[e],l+=8;l>=5;){r+=o[a>>l-5&31],a&=(1<<(l-=5))-1}l&&(r+=o[31&(a<<=5-l)])}}t+=r}return t},c.mp4aSampleEntry.prototype.getCodec=function(){var e=c.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+c.decimalToHex(t)+(r?"."+r:"")}return e},c.stxtSampleEntry.prototype.getCodec=function(){var e=c.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},c.vp08SampleEntry.prototype.getCodec=c.vp09SampleEntry.prototype.getCodec=function(){var e=c.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},c.av01SampleEntry.prototype.getCodec=function(){var e,t=c.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},c.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),o.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>d?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>d&&e.writeUint64(this.size)},c.FullBox.prototype.writeHeader=function(e){this.size+=4,c.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},c.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))},c.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t0)for(t=0;t+1t?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)},c.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&c.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&c.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&c.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&c.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&c.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&c.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&c.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&c.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&c.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&c.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},c.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)},c.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)},c.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&c.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&c.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&c.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&c.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&c.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&c.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&c.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&c.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t-1||e[r]instanceof c.Box||t[r]instanceof c.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||c.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},c.boxEqual=function(e,t){if(!c.boxEqualFields(e,t))return!1;for(var r=0;r1)for(t=1;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-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=c.parseOneBox(this.stream,false)).code===c.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]&&o.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?(o.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(o.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(o.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&&(o.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),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},g.prototype.getInfo=function(){var e,t,r,i,n,s,o={},a=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(o.hasMoov=!0,o.duration=this.moov.mvhd.duration,o.timescale=this.moov.mvhd.timescale,o.isFragmented=null!=this.moov.mvex,o.isFragmented&&this.moov.mvex.mehd&&(o.fragment_duration=this.moov.mvex.mehd.fragment_duration),o.isProgressive=this.isProgressive,o.hasIOD=null!=this.moov.iods,o.brands=[],o.brands.push(this.ftyp.major_brand),o.brands=o.brands.concat(this.ftyp.compatible_brands),o.created=new Date(a+1e3*this.moov.mvhd.creation_time),o.modified=new Date(a+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],e=0;e0?o.mime+='video/mp4; codecs="':o.audioTracks&&o.audioTracks.length>0?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',e=0;e=r.samples.length)&&(o.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),o.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=r.samples.length)&&(o.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;ne*n.timescale){d=i-1;break}t&&n.is_sync&&(l=i)}for(t&&(d=l),e=r.samples[d].cts,r.nextSample=d;r.samples[d].alreadyRead===r.samples[d].size&&r.samples[d+1];)d++;return s=r.samples[d].offset+r.samples[d].alreadyRead,o.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(e,a)+" and offset: "+s),{offset:s,time:e/a}},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,a={offset:1/0,time:1/0};if(this.moov){for(n=0;nthis.getTrackDuration(r)||((i=this.seekTrack(e,t,r)).offset-1){o=l;break}switch(o){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 h=new c.avcCBox;h.parse(new a(t.avcDecoderConfigRecord)),s.addBox(h)}else if(t.hevcDecoderConfigRecord){var f=new c.hvcCBox;f.parse(new a(t.hevcDecoderConfigRecord)),s.addBox(f)}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 c["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}},c.Box.prototype.computeSize=function(e){var t=e||new l;t.endianness=l.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 o=this.createSingleSampleMoof(n);return this.addBox(o),o.computeSize(),o.trafs[0].truns[0].data_offset=o.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 c.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",c.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(n.first_dts||0)),i.add("trun").set("flags",c.TRUN_FLAGS_DATA_OFFSET|c.TRUN_FLAGS_DURATION|c.TRUN_FLAGS_SIZE|c.TRUN_FLAGS_FLAGS|c.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=2&&(l=n[o].grouping_type+"/0",(a=new d(n[o].grouping_type,0)).is_fragment=!0,t.sample_groups_info[l]||(t.sample_groups_info[l]=a))}else for(o=0;o=2&&(l=i[o].grouping_type+"/0",a=new d(i[o].grouping_type,0),e.sample_groups_info[l]||(e.sample_groups_info[l]=a))},g.setSampleGroupProperties=function(e,t,r,i){var n,s;for(n in t.sample_groups=[],i){var o;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)o=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,o&&s>=0&&(t.sample_groups[n].description=o.entries[s])):o&&o.version>=2&&o.default_group_description_index>0&&(t.sample_groups[n].description=o.entries[o.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;ev&&(b++,v<0&&(v=0),v+=s.sample_counts[b]),t>0?(e.samples[t-1].duration=s.sample_deltas[b],e.samples_duration+=e.samples[t-1].duration,k.dts=e.samples[t-1].dts+e.samples[t-1].duration):k.dts=0,o?(t>=w&&(E++,w<0&&(w=0),w+=o.sample_counts[E]),k.cts=e.samples[t].dts+o.sample_offsets[E]):k.cts=k.dts,a?(t==a.sample_numbers[S]-1?(k.is_sync=!0,S++):(k.is_sync=!1,k.degradation_priority=0),d&&d.entries[U].sample_delta+x==t+1&&(k.subsamples=d.entries[U].subsamples,x+=d.entries[U].sample_delta,U++)):k.is_sync=!0,g.process_sdtp(e.mdia.minf.stbl.sdtp,k,k.number),k.degradation_priority=c?c.priority[t]:0,d&&d.entries[U].sample_delta+x==t&&(k.subsamples=d.entries[U].subsamples,x+=d.entries[U].sample_delta),(u.length>0||h.length>0)&&g.setSampleGroupProperties(e,k,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,o,a,l,d,u,h,f,p,m;if(void 0!==this.moov)for(;this.lastMoofIndex0&&g.initSampleGroups(h,u,u.sbgps,h.mdia.minf.stbl.sgpds,u.sgpds),t=0;t0?p.dts=h.samples[h.samples.length-2].dts+h.samples[h.samples.length-2].duration:(u.tfdt?p.dts=u.tfdt.baseMediaDecodeTime:p.dts=0,h.first_traf_merged=!0),p.cts=p.dts,_.flags&c.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+_.sample_composition_time_offset[r]),m=o,_.flags&c.TRUN_FLAGS_FLAGS?m=_.sample_flags[r]:0===r&&_.flags&c.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&c.TFHD_FLAG_BASE_DATA_OFFSET),v=!!(u.tfhd.flags&c.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),b=!!(_.flags&c.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?u.tfhd.base_data_offset:v||0===t?d.start:a,p.offset=0===t&&0===r?b?w+_.data_offset:w:a,a=p.offset+p.size,(u.sbgps.length>0||u.sgpds.length>0||h.mdia.minf.stbl.sbgps.length>0||h.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(h,p,p.number_in_traf,u.sample_groups_info)}}if(u.subs){h.has_fragment_subsamples=!0;var E=u.first_sample_index;for(t=0;t-1))return null;var s=(r=this.stream.buffers[n]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=s)return o.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+")"),l.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;o.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+s+" full size: "+i.size+")"),l.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;e0&&(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;t0&&(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;e0&&c.property_index-1-1))return null;var a=(t=this.stream.buffers[s]).byteLength-(n.offset+n.alreadyRead-t.fileStart);if(!(n.length-n.alreadyRead<=a))return o.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-t.fileStart)+" read size: "+a+" full extent size: "+n.length+" full item size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,t,n.offset+n.alreadyRead-t.fileStart,a),n.alreadyRead+=a,r.alreadyRead+=a,t.usedBytes+=a,this.stream.logBufferLevel(),null;o.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+")"),l.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;r0?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},c.Box.prototype.printHeader=function(e){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},c.FullBox.prototype.printHeader=function(e){this.size+=4,c.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},c.Box.prototype.print=function(e){this.printHeader(e)},c.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},c.tkhdBox.prototype.print=function(e){c.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+"track_id: "+this.track_id),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", 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Zr(e){const t=[];for(let r=0,i=e.length;r1===(e=e.toString(16)).length?"0"+e:e)).join("")}function Qr(e){const t=[];for(let r=0,i=e.length;r>>6),t.push(128|63&i);else if(i<=55295||i>=57344&&i<=65535)t.push(224|i>>>12),t.push(128|i>>>6&63),t.push(128|63&i);else{if(!(i>=65536&&i<=1114111))throw t.push(i),new Error("input is not supported");r++,t.push(240|i>>>18&28),t.push(128|i>>>12&63),t.push(128|i>>>6&63),t.push(128|63&i)}}return t}function ei(e){const t=[];for(let r=0,i=e.length;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("")}function ti(e,t){const r=31&t;return e<>>32-r}function 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e,r=0;r<32;r+=4)e=i[1]^i[2]^i[3]^Xr[r+0],t[r+0]=i[0]^=ni(ri(e)),e=i[2]^i[3]^i[0]^Xr[r+1],t[r+1]=i[1]^=ni(ri(e)),e=i[3]^i[0]^i[1]^Xr[r+2],t[r+2]=i[2]^=ni(ri(e)),e=i[0]^i[1]^i[2]^Xr[r+3],t[r+3]=i[3]^=ni(ri(e));if(0===r)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}function ai(e,t,r){let{padding:i="pkcs#7",mode:n,iv:s=[],output:o="string"}=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if("cbc"===n&&("string"==typeof s&&(s=Zr(s)),16!==s.length))throw new Error("iv is invalid");if("string"==typeof t&&(t=Zr(t)),16!==t.length)throw new Error("key is invalid");if(e="string"==typeof e?0!==r?Qr(e):Zr(e):[...e],("pkcs#5"===i||"pkcs#7"===i)&&0!==r){const t=qr-e.length%qr;for(let r=0;r=qr;){const t=e.slice(h,h+16),i=new Array(16);if("cbc"===n)for(let e=0;e2&&void 0!==arguments[2]&&arguments[2];const i=e.byteLength;let n=5;for(;ni)break;let o=e[n+4],a=!1;if(r?(o=o>>>1&63,a=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,a=1===o||5===o),a){const r=ai(e.slice(n+4+2,n+4+s),t,0,{padding:"none",output:"array"});e.set(r,n+4+2)}n=n+4+s}return e}const ui={init:0,findFirstStartCode:1,findSecondStartCode:2};class hi extends class{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,o=new Array(s),a=0;a1?r-1:0),n=1;n{delete r[e]})),void delete this.e;const i=r[e],n=[];if(i&&t)for(let e=0,r=i.length;e=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=ui.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==ui.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=ui.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==ui.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=ui.findFirstStartCode}}}}function ci(e,t,r){for(let i=2;i3&&void 0!==arguments[3]&&arguments[3];const n=e.byteLength;let s=5;for(;sn)break;let a=e[s+4],l=!1;if(i?(a=a>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(a)):(a&=31,l=1===a||5===a),l){const i=ci(e.slice(s+4,s+4+o),t,r);e.set(i,s+4)}s=s+4+o}return e}Date.now||(Date.now=function(){return(new Date).getTime()});const mi=[];mi.push(r(),t()),Promise.all(mi).then((e=>{const t=e[0];!function(){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={},o=new AbortController,a=null,l=null,d=null,u=null,v=null,b=null,S=!1,Ge=!1,Ye=!!kt(r),Ke=!1,Xe=null,ot=null,ft=null,Tt=[],Ct=null,Bt=null,Ft=0,It=0,Lt=null,Rt=null,jt=0,Yt=0,qt=!1,Qt=!1,lr=!1,dr=null,ur=null,hr=null,cr=!1,fr=()=>{const e=Ut();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,isFmp4Private:e.isFmp4Private,isEmitSEI:e.isEmitSEI,isRecordTypeFlv:!1,isWasmMp4:!1,isChrome:!1,isDropSameTimestampGop:e.isDropSameTimestampGop,mseDecodeAudio:e.mseDecodeAudio,nakedFlowH265DemuxUseNew:e.nakedFlowH265DemuxUseNew}};"VideoEncoder"in self&&(s={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(s.isEmitInfo||(yr.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:x,w:e.codedWidth,h:e.codedHeight}),s.isEmitInfo=!0,s.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),s.offscreenCanvasCtx=s.offscreenCanvas.getContext("2d")),yt(e.createImageBitmap))e.createImageBitmap().then((t=>{s.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:k,buffer:r,delay:yr.delay,ts:0},[r]),wt(e)}));else{s.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:k,buffer:t,delay:yr.delay,ts:0},[t]),wt(e)}},error:function(e){yr.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?We:je});s.decoder.decode(r)}else if(i&&0===e[1]){const t=15&e[0];postMessage({cmd:P,code:t});const r=mt(e.slice(5));yr._opt.recordType===y&&postMessage({cmd:D,buffer:e,codecId:t},[e.buffer]),s.decoder.configure(r),s.hasInit=!0}},reset(){s.hasInit=!1,s.isEmitInfo=!1,s.offscreenCanvas=null,s.offscreenCanvasCtx=null}});let pr=function(){if(cr=!0,yr.fetchStatus!==Qe||At(yr._opt.isChrome)){if(o)try{o.abort(),o=null}catch(e){yr.debug.log("worker","abort catch",e)}}else o=null,yr.debug.log("worker",`abort() and not abortController.abort() _status is ${yr.fetchStatus} and _isChrome is ${yr._opt.isChrome}`)},mr={init(){mr.lastBuf=null,mr.vps=null,mr.sps=null,mr.pps=null,mr.streamType=null,mr.localDts=0,mr.isSendSeqHeader=!1},destroy(){mr.lastBuf=null,mr.vps=null,mr.sps=null,mr.pps=null,mr.streamType=null,mr.localDts=0,mr.isSendSeqHeader=!1},dispatch(e){const t=new Uint8Array(e);mr.extractNALu$2(t)},getNaluDts(){let e=mr.localDts;return mr.localDts=mr.localDts+40,e},getNaluAudioDts(){const e=yr._opt.sampleRate,t=yr._opt.audioBufferSize;return mr.localDts+parseInt(t/e*1e3)},extractNALu(e){let t,r,i=0,n=e.byteLength,s=0,o=[];for(;i1)for(let e=0;e{const t=$t(e);t===Ie||t===De?mr.handleVideoH264Nalu(e):Ht(t)&&i.push(e)})),1===i.length)mr.handleVideoH264Nalu(i[0]);else if(Wt(i)){const e=$t(i[0]),t=Vt(e);mr.handleVideoH264NaluList(i,t,e)}else i.forEach((e=>{mr.handleVideoH264Nalu(e)}))}else if(mr.streamType===Te)if(yr._opt.nakedFlowH265DemuxUseNew){const t=mr.handleAddNaluStartCode(e),r=mr.extractNALu(t);if(0===r.length)return void yr.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=ir(e);t===$e||t===Ne||t===Oe?mr.handleVideoH265Nalu(e):sr(t)&&i.push(e)})),1===i.length)mr.handleVideoH265Nalu(i[0]);else if(ar(i)){const e=ir(i[0]),t=or(e);mr.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{this.handleVideoH265Nalu(e)}))}else ir(e)===$e?mr.extractH265PPS(e):mr.handleVideoH265Nalu(e)},extractH264PPS(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{Gt($t(e))?mr.extractH264SEI(e):mr.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{nr(ir(e))?mr.extractH265SEI(e):mr.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{mr.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{mr.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=$t(e);switch(t){case De:mr.sps=e;break;case Ie:mr.pps=e}if(mr.isSendSeqHeader){if(mr.sps&&mr.pps){const e=Mt({sps:mr.sps,pps:mr.pps}),t=mr.getNaluDts();yr.decode(e,{type:ee,ts:t,isIFrame:!0,cts:0}),mr.sps=null,mr.pps=null}if(Ht(t)){const r=Vt(t),i=mr.getNaluDts(),n=Ot(e,r);mr.doDecode(n,{type:ee,ts:i,isIFrame:r,cts:0})}else yr.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(mr.sps&&mr.pps){mr.isSendSeqHeader=!0;const e=Mt({sps:mr.sps,pps:mr.pps});yr.decode(e,{type:ee,ts:0,isIFrame:!0,cts:0}),mr.sps=null,mr.pps=null}},handleVideoH264NaluList(e,t,r){if(mr.isSendSeqHeader){const i=mr.getNaluDts(),n=Nt(e.reduce(((e,t)=>{const r=Xt(e),i=Xt(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);mr.doDecode(n,{type:ee,ts:i,isIFrame:t,cts:0}),yr.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 yr.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=ir(e);switch(t){case Oe:mr.vps=e;break;case Ne:mr.sps=e;break;case $e:mr.pps=e}if(mr.isSendSeqHeader){if(mr.vps&&mr.sps&&mr.pps){const e=er({vps:mr.vps,sps:mr.sps,pps:mr.pps}),t=mr.getNaluDts();yr.decode(e,{type:ee,ts:t,isIFrame:!0,cts:0}),mr.vps=null,mr.sps=null,mr.pps=null}if(sr(t)){const r=or(t),i=mr.getNaluDts(),n=tr(e,r);mr.doDecode(n,{type:ee,ts:i,isIFrame:r,cts:0})}else yr.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(mr.vps&&mr.sps&&mr.pps){mr.isSendSeqHeader=!0;const e=er({vps:mr.vps,sps:mr.sps,pps:mr.pps});yr.decode(e,{type:ee,ts:0,isIFrame:!0,cts:0}),mr.vps=null,mr.sps=null,mr.pps=null}},handleVideoH265NaluList(e,t,r){if(mr.isSendSeqHeader){const i=mr.getNaluDts(),n=rr(e.reduce(((e,t)=>{const r=Xt(e),i=Xt(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);mr.doDecode(n,{type:ee,ts:i,isIFrame:t,cts:0}),yr.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 yr.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){yr.calcNetworkDelay(t.ts),t.isIFrame&&yr.calcIframeIntervalTimestamp(t.ts),postMessage({cmd:z,type:_e,value:e.byteLength}),postMessage({cmd:z,type:ge,value:t.ts}),yr.decode(e,t)}},_r={LOG_NAME:"worker fmp4Demuxer",mp4Box:Vr.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){_r.mp4Box.onReady=_r.onReady,_r.mp4Box.onError=_r.onError,_r.mp4Box.onSamples=_r.onSamples},initTransportDescarmber(){_r.transportDescarmber=new Yr},_getSeqHeader(e){const t=_r.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new Vr.DataStream(void 0,0,Vr.DataStream.BIG_ENDIAN);let r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(_r.isHevc=!0,dr=!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){yr.debug.log(_r.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],r=e.audioTracks[0];if(t){_r.videoTrackId=t.id;const e=_r._getSeqHeader(t);e&&(yr.debug.log(_r.LOG_NAME,"seqHeader"),yr.decodeVideo(e,0,!0,0)),_r.mp4Box.setExtractionOptions(t.id)}if(r&&yr._opt.hasAudio){_r.audioTrackId=r.id;const e=r.audio||{},t=ut.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");_r.mp4Box.setExtractionOptions(r.id);const n=at({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});yr.debug.log(_r.LOG_NAME,"aacADTSHeader"),yr.decodeAudio(n,0)}_r.mp4Box.start()},onError(e){yr.debug.error(_r.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===_r.videoTrackId)for(const e of r){const t=e.data,r=e.is_sync,i=1e3*e.cts/e.timescale;e.duration,e.timescale,r&&yr.calcIframeIntervalTimestamp(i);let n=null;n=_r.isHevc?rr(t,r):Nt(t,r),postMessage({cmd:z,type:_e,value:n.byteLength}),postMessage({cmd:z,type:ge,value:i}),yr.decode(n,{type:ee,ts:i,isIFrame:r,cts:0})}else if(e===_r.audioTrackId){if(yr._opt.hasAudio)for(const e of r){const t=e.data,r=1e3*e.cts/e.timescale;e.duration,e.timescale;const i=new Uint8Array(t.byteLength+2);i.set([175,1],0),i.set(t,2),postMessage({cmd:z,type:me,value:i.byteLength}),yr.decode(i,{type:Q,ts:r,isIFrame:!1,cts:0})}}else yr.debug.warn(_r.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(_r.transportDescarmber&&(t=_r.transportDescarmber.transport(t)),t.buffer.fileStart=_r.offset,_r.offset+=t.byteLength,_r.mp4Box.appendBuffer(t.buffer)):yr.debug.warn(_r.LOG_NAME,"dispatch()","data is not object",e):yr.debug.warn(_r.LOG_NAME,"dispatch()","data is string",e)},destroy(){_r.mp4Box&&(_r.mp4Box.flush(),_r.mp4Box=null),_r.transportDescarmber&&(_r.transportDescarmber.destroy(),_r.transportDescarmber=null),_r.offset=0,_r.videoTrackId=null,_r.audioTrackId=null,_r.isHevc=!1}},gr={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);gr.extractNALu(t)},destroy(){gr.lastBuffer=new Uint8Array(0),gr.parsedOffset=0,gr.firstStartCodeOffset=0,gr.secondStartCodeOffset=0,gr.state="init",gr.hasInitVideoCodec=!1,gr.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void yr.debug.warn(gr.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(gr.lastBuffer.length+e.length);for(t.set(gr.lastBuffer,0),t.set(new Uint8Array(e),gr.lastBuffer.length),gr.lastBuffer=t;;){if("init"===gr.state){let e=!1;for(;gr.lastBuffer.length-gr.parsedOffset>=4;)if(0===gr.lastBuffer[gr.parsedOffset])if(0===gr.lastBuffer[gr.parsedOffset+1])if(1===gr.lastBuffer[gr.parsedOffset+2]){if(182===gr.lastBuffer[gr.parsedOffset+3]){gr.state="findFirstStartCode",gr.firstStartCodeOffset=gr.parsedOffset,gr.parsedOffset+=4,e=!0;break}gr.parsedOffset++}else gr.parsedOffset++;else gr.parsedOffset++;else gr.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===gr.state){let e=!1;for(;gr.lastBuffer.length-gr.parsedOffset>=4;)if(0===gr.lastBuffer[gr.parsedOffset])if(0===gr.lastBuffer[gr.parsedOffset+1])if(1===gr.lastBuffer[gr.parsedOffset+2]){if(182===gr.lastBuffer[gr.parsedOffset+3]){gr.state="findSecondStartCode",gr.secondStartCodeOffset=gr.parsedOffset,gr.parsedOffset+=4,e=!0;break}gr.parsedOffset++}else gr.parsedOffset++;else gr.parsedOffset++;else gr.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===gr.state){if(!(gr.lastBuffer.length-gr.parsedOffset>0))break;{let e,t,r=192&gr.lastBuffer[gr.parsedOffset];e=0==r?gr.secondStartCodeOffset-14:gr.secondStartCodeOffset;let i=0==(192&gr.lastBuffer[gr.firstStartCodeOffset+4]);if(i){if(gr.firstStartCodeOffset-14<0)return void yr.debug.warn(gr.LOG_NAME,"firstStartCodeOffset -14 is",gr.firstStartCodeOffset-14);gr.hasInitVideoCodec||(gr.hasInitVideoCodec=!0,yr.debug.log(gr.LOG_NAME,"setCodec"),br.setCodec(ke,"")),t=gr.lastBuffer.subarray(gr.firstStartCodeOffset-14,e)}else t=gr.lastBuffer.subarray(gr.firstStartCodeOffset,e);let n=gr.getNaluDts();gr.hasInitVideoCodec?(postMessage({cmd:z,type:_e,value:t.byteLength}),postMessage({cmd:z,type:ge,value:n}),br.decode(t,i?1:0,n)):yr.debug.warn(gr.LOG_NAME,"has not init video codec"),gr.lastBuffer=gr.lastBuffer.subarray(e),gr.firstStartCodeOffset=0==r?14:0,gr.parsedOffset=gr.firstStartCodeOffset+4,gr.state="findFirstStartCode"}}}},getNaluDts(){let e=gr.localDts;return gr.localDts=gr.localDts+40,e}},yr={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,fetchStatus:Je,_opt:fr(),mp3Demuxer:null,startStreamRateAndStatsInterval:function(){yr.stopStreamRateAndStatsInterval(),d=setInterval((()=>{l&&l(0);const e=JSON.stringify({demuxBufferDelay:yr.getVideoBufferLength(),audioDemuxBufferDelay:yr.getAudioBufferLength(),flvBufferByteLength:yr.getFlvBufferLength(),netBuf:yr.networkDelay||0,pushLatestDelay:yr.pushLatestDelay||0,isStreamTsMoreThanLocal:Ke});postMessage({cmd:z,type:ve,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){d&&(clearInterval(d),d=null)},useOffscreen:function(){return yr._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||yr._opt.hasVideo&&!Ye)return-1;if(t===Q)return yr.delay;if(yr.preDelayTimestamp&&yr.preDelayTimestamp>e)return yr.preDelayTimestamp-e>1e3&&yr.debug.warn("worker",`getDelay() and preDelayTimestamp is ${yr.preDelayTimestamp} > timestamp is ${e} more than ${yr.preDelayTimestamp-e}ms and return ${yr.delay}`),yr.preDelayTimestamp=e,yr.delay;if(yr.firstTimestamp){if(e){const t=Date.now()-yr.startTimestamp,r=e-yr.firstTimestamp;t>=r?(Ke=!1,yr.delay=t-r):(Ke=!0,yr.delay=r-t)}}else yr.firstTimestamp=e,yr.startTimestamp=Date.now(),yr.delay=-1;return yr.preDelayTimestamp=e,yr.delay},getDelayNotUpdateDelay:function(e,t){if(!e||yr._opt.hasVideo&&!Ye)return-1;if(t===Q)return yr.pushLatestDelay;if(yr.preDelayTimestamp&&yr.preDelayTimestamp-e>1e3)return yr.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${yr.preDelayTimestamp} > timestamp is ${e} more than ${yr.preDelayTimestamp-e}ms and return -1`),-1;if(yr.firstTimestamp){let t=-1;if(e){const r=Date.now()-yr.startTimestamp,i=e-yr.firstTimestamp;r>=i?(Ke=!1,t=r-i):(Ke=!0,t=i-r)}return t}return-1},resetDelay:function(){yr.firstTimestamp=null,yr.startTimestamp=null,yr.delay=-1,yr.dropping=!1},resetAllDelay:function(){yr.resetDelay(),yr.preDelayTimestamp=null},doDecode:function(e){yr._opt.isEmitSEI&&e.type===ee&&yr.isWorkerFetch&&yr.findSei(e.payload,e.ts),yr._opt.useWCS&&yr.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&&xt(e.payload);if(At(r))s&&(yr.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(),yr.doDecode(n));else{const r=n.ts-t,o=n.type===Q&&e.type===ee;(r<=20||o||s)&&(yr.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 ${o} and isVideoSqeHeader is ${s}`),i.shift(),yr.doDecode(n))}},init:function(){yr.debug.log("worker","init and opt is",JSON.stringify(yr._opt));const e=yr._opt.playType===_,t=yr._opt.playType===g;if(mr.init(),yr.isPlayer=e,yr.isPlayback=t,yr.isPlaybackCacheBeforeDecodeForFpsRender())yr.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{const t=()=>{let t=null;if(i.length){if(yr.isPushDropping)return void yr.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${i.length}`);if(yr.dropping){for(t=i.shift(),yr.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${t.isIFrame} and delay is ${yr.delay} and bufferlist is ${i.length}`);!t.isIFrame&&i.length;)t=i.shift();const e=yr.getDelayNotUpdateDelay(t.ts,t.type);t.isIFrame&&e<=yr.getNotDroppingDelayTs()&&(yr.debug.log("worker","loop() is dropping = false, is iFrame"),yr.dropping=!1,yr.doDecode(t),yr.decodeNext(t))}else if(yr.isPlayback||yr.isPlayUseMSE())for(;i.length;)t=i.shift(),yr.doDecode(t);else if(t=i[0],-1===yr.getDelay(t.ts,t.type))yr.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",t.ts),i.shift(),yr.doDecode(t),yr.decodeNext(t);else if(yr.delay>yr._opt.videoBuffer+yr._opt.videoBufferDelay&&e)yr.hasIframeInBufferList()?(yr.debug.log("worker",`delay is ${yr.delay}, set dropping is true`),yr.resetAllDelay(),yr.dropping=!0,postMessage({cmd:O})):(i.shift(),yr.doDecode(t),yr.decodeNext(t));else for(;i.length;){if(t=i[0],!(yr.getDelay(t.ts,t.type)>yr._opt.videoBuffer)){yr.delay<0&&yr.debug.warn("worker",`loop() do not decode and delay is ${yr.delay}, bufferList is ${i.length}`);break}i.shift(),yr.doDecode(t)}}else-1!==yr.delay&&yr.debug.log("worker","loop() bufferList is empty and reset delay"),yr.resetAllDelay()};yr.stopId=setInterval((()=>{let e=(new Date).getTime();Xe||(Xe=e);const r=e-Xe;r>100&&yr.debug.warn("worker",`loop demux diff time is ${r}`),t(),Xe=(new Date).getTime()}),20)}At(yr._opt.checkFirstIFrame)&&(Ye=!0)},playbackCacheLoop:function(){yr.stopId&&(clearInterval(yr.stopId),yr.stopId=null);const e=()=>{let e=null;i.length&&(e=i.shift(),yr.doDecode(e))};e();const t=Math.ceil(1e3/(yr.streamFps*yr._opt.playbackRate));yr.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${yr.streamFps}, streamAudioFps is ${yr.streamAudioFps} ,streamVideoFps is ${yr.streamVideoFps} playbackRate is ${yr._opt.playbackRate}`),yr.stopId=setInterval(e,t)},close:function(){if(yr.debug.log("worker","close"),yr.isDestroyed=!0,pr(),!a||1!==a.readyState&&2!==a.readyState?a&&yr.debug.log("worker",`close() and socket.readyState is ${a.readyState}`):(cr=!0,a.close(1e3,"Client 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is ${t.ts}, isAacCodecPacket is true`),yr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:K,buffer:t},[t.buffer])}yr.decodeAudio(e,t.ts)}else if(t.type===ee&&t.isIFrame&&xt(e)){if(yr.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),yr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:X,buffer:t},[t.buffer])}yr.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(yr._opt.isRecording)if(yr._opt.isRecordTypeFlv){const r=new Uint8Array(e);postMessage({cmd:Z,type:t.type,buffer:r,ts:t.ts},[r.buffer])}else if(yr._opt.recordType===y)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&&yr._opt.isWasmMp4){const r=new Uint8Array(e),i=dt(r)?r.slice(2):r.slice(1);postMessage({cmd:B,buffer:i,ts:t.ts},[i.buffer])}if(yr.isPlayer&&jt>0&&Rt>0&&t.type===ee){const e=t.ts-Rt,r=jt+jt/2;e>r&&yr.debug.log("worker",`pushBuffer video\n ts is ${t.ts}, preTimestamp is ${Rt},\n diff is ${e} and preTimestampDuration is ${jt} and maxDiff is ${r}\n maybe trigger black screen or flower screen\n `)}if(yr.isPlayer&&Rt>0&&t.type===ee&&t.tsw&&(yr.debug.warn("worker",`pushBuffer,\n preTimestamp is ${Rt}, options.ts is ${t.ts},\n diff is ${Rt-t.ts} more than 3600000,\n and resetAllDelay`),yr.resetAllDelay()),yr.isPlayer&&t.ts<=Rt&&Rt>0&&t.type===ee&&(yr.debug.warn("worker",`pushBuffer,\n options.ts is ${t.ts} less than (or equal) preTimestamp is ${Rt} and\n payloadBufferSize is ${e.byteLength} and prevPayloadBufferSize is ${Yt}`),yr._opt.isDropSameTimestampGop&&Ye)){const e=yr.hasIframeInBufferList(),t=At(yr.isPushDropping);return yr.debug.log("worker",`pushBuffer, isDropSameTimestampGop is true and\n hasIframe is ${e} and isNotPushDropping is ${t} and next dropBuffer`),void(e&&t?yr.dropBuffer$2():(yr.clearBuffer(!0),kt(yr._opt.checkFirstIFrame)&&kt(r)&&postMessage({cmd:J})))}if(yr.isPlayer&&Ye){const e=yr._opt.videoBuffer+yr._opt.videoBufferDelay,r=yr.getDelayNotUpdateDelay(t.ts,t.type);yr.pushLatestDelay=r,r>e&&yr.delay0&&yr.hasIframeInBufferList()&&!1===yr.isPushDropping&&(yr.debug.log("worker",`pushBuffer(), pushLatestDelay is ${r} more than ${e} and decoder.delay is ${yr.delay} and has iIframe and next decoder.dropBuffer$2()`),yr.dropBuffer$2())}if(yr.isPlayer&&t.type===ee&&(Rt>0&&(jt=t.ts-Rt),Yt=e.byteLength,Rt=t.ts),t.type===Q?i.push({ts:t.ts,payload:e,decoder:{decode:yr.decodeAudio},type:Q,isIFrame:!1}):t.type===ee&&i.push({ts:t.ts,cts:t.cts,payload:e,decoder:{decode:yr.decodeVideo},type:ee,isIFrame:t.isIFrame}),yr.isPlaybackCacheBeforeDecodeForFpsRender()&&(_t(yr.streamVideoFps)||_t(yr.streamAudioFps))){let e=yr.streamVideoFps,t=yr.streamAudioFps;if(_t(yr.streamVideoFps)&&(e=Et(i,ee),e&&(yr.streamVideoFps=e,postMessage({cmd:$,value:yr.streamVideoFps}),yr.streamFps=t?e+t:e,At(yr._opt.hasAudio)&&(yr.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is 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e=o;kt(yr._opt.m7sCryptoAudio)&&(e=yr.cryptoPayloadAudio(o)),yr.decode(e,{type:Q,ts:s})}else yr.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${o.byteLength} and return`);break;case re:if(o.byteLength>=6){const e=o[0];if(yr._isEnhancedH265Header(e))yr._decodeEnhancedH265Video(o,s);else{o[0];const e=o[0]>>4===Ze;if(e&&xt(o)&&null===dr){const e=15&o[0];dr=e===xe,ur=Zt(o,dr),yr.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${dr} and nalUnitSize is ${ur}`)}e&&yr.calcIframeIntervalTimestamp(s),yr.isPlayer&&yr.calcNetworkDelay(s),r[0]=o[4],r[1]=o[3],r[2]=o[2],r[3]=0;let t=r[0],i=yr.cryptoPayload(o,e);yr.decode(i,{type:ee,ts:s,isIFrame:e,cts:t})}}else yr.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${o.byteLength} and return`);break;case ie:postMessage({cmd:q,buffer:o},[o.buffer]);break;default:yr.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===Q?yr._opt.hasAudio&&(postMessage({cmd:z,type:me,value:e.byteLength}),yr.isPlayer?yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):yr.isPlayback&&(yr.isPlaybackCacheBeforeDecodeForFpsRender(),yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}))):t.type===ee&&yr._opt.hasVideo&&(postMessage({cmd:z,type:_e,value:e.byteLength}),postMessage({cmd:z,type:ge,value:t.ts}),yr.isPlayer?yr.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):yr.isPlayback&&(yr.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(yr.isPlaybackCacheBeforeDecodeForFpsRender(),yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return yr._opt.isM7sCrypto?yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength>0&&yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength>0?r=Gr(e,yr._opt.cryptoKey,yr._opt.cryptoIV,dr):yr.debug.error("worker",`isM7sCrypto cryptoKey.length is 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yr.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else yr.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(yr.isDestroyed)yr.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(kt(r))postMessage({cmd:L,payload:e,isIFrame:i,ts:t,cts:n,delay:yr.delay},[e.buffer]);else if(S)if(!Ye&&i&&(Ye=!0),Ye){if(i&&xt(e)){const t=15&e[0];let r={};t===Ue?r=zt(e.slice(5)):t===xe&&(r=Jt(e)),r.codecWidth&&r.codecHeight&&v&&b&&(r.codecWidth!==v||r.codecHeight!==b)&&(yr.debug.warn("worker",`\n decodeVideo: video width or height is changed,\n old width is ${v}, old height is ${b},\n new width is ${r.codecWidth}, new height is ${r.codecHeight},\n and emit change event`),Qt=!0,postMessage({cmd:G}))}if(Qt)return void yr.debug.warn("worker","decodeVideo: video width or height 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ce:yr.sendWebsocketMessage(t.message)}}}(e[1],t)}))}));