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d,l=le.lookupNode(r,a),u=se.relative(e,n);if("."!==u.charAt(0))throw new le.ErrnoError(28);if("."!==(u=se.relative(t,s)).charAt(0))throw new le.ErrnoError(55);try{d=le.lookupNode(i,o)}catch(e){}if(l!==d){var h=le.isDir(l.mode),c=le.mayDelete(r,a,h);if(c)throw new le.ErrnoError(c);if(c=d?le.mayDelete(i,o,h):le.mayCreate(i,o))throw new le.ErrnoError(c);if(!r.node_ops.rename)throw new le.ErrnoError(63);if(le.isMountpoint(l)||d&&le.isMountpoint(d))throw new le.ErrnoError(10);if(i!==r&&(c=le.nodePermissions(r,"w")))throw new le.ErrnoError(c);le.hashRemoveNode(l);try{r.node_ops.rename(l,i,o)}catch(e){throw e}finally{le.hashAddNode(l)}}},rmdir:e=>{var t=le.lookupPath(e,{parent:!0}).node,r=ie.basename(e),i=le.lookupNode(t,r),s=le.mayDelete(t,r,!0);if(s)throw new le.ErrnoError(s);if(!t.node_ops.rmdir)throw new le.ErrnoError(63);if(le.isMountpoint(i))throw new le.ErrnoError(10);t.node_ops.rmdir(t,r),le.destroyNode(i)},readdir:e=>{var t=le.lookupPath(e,{follow:!0}).node;if(!t.node_ops.readdir)throw new le.ErrnoError(54);return t.node_ops.readdir(t)},unlink:e=>{var t=le.lookupPath(e,{parent:!0}).node;if(!t)throw new le.ErrnoError(44);var r=ie.basename(e),i=le.lookupNode(t,r),s=le.mayDelete(t,r,!1);if(s)throw new le.ErrnoError(s);if(!t.node_ops.unlink)throw new le.ErrnoError(63);if(le.isMountpoint(i))throw new le.ErrnoError(10);t.node_ops.unlink(t,r),le.destroyNode(i)},readlink:e=>{var t=le.lookupPath(e).node;if(!t)throw new le.ErrnoError(44);if(!t.node_ops.readlink)throw new le.ErrnoError(28);return se.resolve(le.getPath(t.parent),t.node_ops.readlink(t))},stat:(e,t)=>{var r=le.lookupPath(e,{follow:!t}).node;if(!r)throw new le.ErrnoError(44);if(!r.node_ops.getattr)throw new le.ErrnoError(63);return r.node_ops.getattr(r)},lstat:e=>le.stat(e,!0),chmod:(e,t,r)=>{var i;if(!(i="string"==typeof e?le.lookupPath(e,{follow:!r}).node:e).node_ops.setattr)throw new le.ErrnoError(63);i.node_ops.setattr(i,{mode:4095&t|-4096&i.mode,timestamp:Date.now()})},lchmod:(e,t)=>{le.chmod(e,t,!0)},fchmod:(e,t)=>{var r=le.getStream(e);if(!r)throw new le.ErrnoError(8);le.chmod(r.node,t)},chown:(e,t,r,i)=>{var s;if(!(s="string"==typeof e?le.lookupPath(e,{follow:!i}).node:e).node_ops.setattr)throw new le.ErrnoError(63);s.node_ops.setattr(s,{timestamp:Date.now()})},lchown:(e,t,r)=>{le.chown(e,t,r,!0)},fchown:(e,t,r)=>{var i=le.getStream(e);if(!i)throw new le.ErrnoError(8);le.chown(i.node,t,r)},truncate:(e,t)=>{if(t<0)throw new le.ErrnoError(28);var r;if(!(r="string"==typeof e?le.lookupPath(e,{follow:!0}).node:e).node_ops.setattr)throw new le.ErrnoError(63);if(le.isDir(r.mode))throw new le.ErrnoError(31);if(!le.isFile(r.mode))throw new le.ErrnoError(28);var i=le.nodePermissions(r,"w");if(i)throw new le.ErrnoError(i);r.node_ops.setattr(r,{size:t,timestamp:Date.now()})},ftruncate:(e,t)=>{var r=le.getStream(e);if(!r)throw new le.ErrnoError(8);if(!(2097155&r.flags))throw new le.ErrnoError(28);le.truncate(r.node,t)},utime:(e,t,r)=>{var i=le.lookupPath(e,{follow:!0}).node;i.node_ops.setattr(i,{timestamp:Math.max(t,r)})},open:(e,r,i)=>{if(""===e)throw new le.ErrnoError(44);var s;if(i=void 0===i?438:i,i=64&(r="string"==typeof r?le.modeStringToFlags(r):r)?4095&i|32768:0,"object"==typeof e)s=e;else{e=ie.normalize(e);try{s=le.lookupPath(e,{follow:!(131072&r)}).node}catch(e){}}var n=!1;if(64&r)if(s){if(128&r)throw new le.ErrnoError(20)}else s=le.mknod(e,i,0),n=!0;if(!s)throw new le.ErrnoError(44);if(le.isChrdev(s.mode)&&(r&=-513),65536&r&&!le.isDir(s.mode))throw new le.ErrnoError(54);if(!n){var a=le.mayOpen(s,r);if(a)throw new le.ErrnoError(a)}512&r&&!n&&le.truncate(s,0),r&=-131713;var o=le.createStream({node:s,path:le.getPath(s),flags:r,seekable:!0,position:0,stream_ops:s.stream_ops,ungotten:[],error:!1});return o.stream_ops.open&&o.stream_ops.open(o),!t.logReadFiles||1&r||(le.readFiles||(le.readFiles={}),e in 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le.ErrnoError(8);if(!(2097155&e.flags))throw new le.ErrnoError(8);if(le.isDir(e.node.mode))throw new le.ErrnoError(31);if(!e.stream_ops.write)throw new le.ErrnoError(28);e.seekable&&1024&e.flags&&le.llseek(e,0,2);var a=void 0!==s;if(a){if(!e.seekable)throw new le.ErrnoError(70)}else s=e.position;var o=e.stream_ops.write(e,t,r,i,s,n);return a||(e.position+=o),o},allocate:(e,t,r)=>{if(le.isClosed(e))throw new le.ErrnoError(8);if(t<0||r<=0)throw new le.ErrnoError(28);if(!(2097155&e.flags))throw new le.ErrnoError(8);if(!le.isFile(e.node.mode)&&!le.isDir(e.node.mode))throw new le.ErrnoError(43);if(!e.stream_ops.allocate)throw new le.ErrnoError(138);e.stream_ops.allocate(e,t,r)},mmap:(e,t,r,i,s)=>{if(2&i&&!(2&s)&&2!=(2097155&e.flags))throw new le.ErrnoError(2);if(1==(2097155&e.flags))throw new le.ErrnoError(2);if(!e.stream_ops.mmap)throw new le.ErrnoError(43);return e.stream_ops.mmap(e,t,r,i,s)},msync:(e,t,r,i,s)=>e&&e.stream_ops.msync?e.stream_ops.msync(e,t,r,i,s):0,munmap:e=>0,ioctl:(e,t,r)=>{if(!e.stream_ops.ioctl)throw new le.ErrnoError(59);return e.stream_ops.ioctl(e,t,r)},readFile:(e,t={})=>{if(t.flags=t.flags||0,t.encoding=t.encoding||"binary","utf8"!==t.encoding&&"binary"!==t.encoding)throw new Error('Invalid encoding type "'+t.encoding+'"');var r,i=le.open(e,t.flags),s=le.stat(e).size,n=new Uint8Array(s);return le.read(i,n,0,s,0),"utf8"===t.encoding?r=P(n,0):"binary"===t.encoding&&(r=n),le.close(i),r},writeFile:(e,t,r={})=>{r.flags=r.flags||577;var i=le.open(e,r.flags,r.mode);if("string"==typeof t){var s=new Uint8Array(R(t)+1),n=z(t,s,0,s.length);le.write(i,s,0,n,void 0,r.canOwn)}else{if(!ArrayBuffer.isView(t))throw new Error("Unsupported data type");le.write(i,t,0,t.byteLength,void 0,r.canOwn)}le.close(i)},cwd:()=>le.currentPath,chdir:e=>{var t=le.lookupPath(e,{follow:!0});if(null===t.node)throw new le.ErrnoError(44);if(!le.isDir(t.node.mode))throw new le.ErrnoError(54);var r=le.nodePermissions(t.node,"x");if(r)throw new le.ErrnoError(r);le.currentPath=t.path},createDefaultDirectories:()=>{le.mkdir("/tmp"),le.mkdir("/home"),le.mkdir("/home/web_user")},createDefaultDevices:()=>{le.mkdir("/dev"),le.registerDevice(le.makedev(1,3),{read:()=>0,write:(e,t,r,i,s)=>i}),le.mkdev("/dev/null",le.makedev(1,3)),ae.register(le.makedev(5,0),ae.default_tty_ops),ae.register(le.makedev(6,0),ae.default_tty1_ops),le.mkdev("/dev/tty",le.makedev(5,0)),le.mkdev("/dev/tty1",le.makedev(6,0));var e=function(){if("object"==typeof crypto&&"function"==typeof crypto.getRandomValues){var e=new Uint8Array(1);return()=>(crypto.getRandomValues(e),e[0])}if(p)try{var 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d;try{d=r()}catch(e){throw new le.ErrnoError(29)}if(void 0===d&&0===a)throw new le.ErrnoError(6);if(null==d)break;a++,t[i+o]=d}return a&&(e.node.timestamp=Date.now()),a},write:(e,t,r,s,n)=>{for(var a=0;a<s;a++)try{i(t[r+a])}catch(e){throw new le.ErrnoError(29)}return s&&(e.node.timestamp=Date.now()),a}}),le.mkdev(s,n,a)},forceLoadFile:e=>{if(e.isDevice||e.isFolder||e.link||e.contents)return!0;if("undefined"!=typeof XMLHttpRequest)throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. 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r.destroy(),r=null,{profile_string:n,level_string:a,bit_depth:u,ref_frames:c,chroma_format:d,chroma_format_string:mt.getChromaFormatString(d),frame_rate:{fixed:E,fps:S,fps_den:x,fps_num:U},sar_ratio:{width:v,height:w},codec_size:{width:T,height:C},present_size:{width:D,height:C}}}static parseSPS$2(e){let t=e.subarray(1,4),r="avc1.";for(let e=0;e<3;e++){let i=t[e].toString(16);i.length<2&&(i="0"+i),r+=i}let i=mt._ebsp2rbsp(e),s=new pt(i);s.readByte();let n=s.readByte();s.readByte();let a=s.readByte();s.readUEG();let o=mt.getProfileString(n),d=mt.getLevelString(a),l=1,u=420,h=[0,420,422,444],c=8,f=8;if((100===n||110===n||122===n||244===n||44===n||83===n||86===n||118===n||128===n||138===n||144===n)&&(l=s.readUEG(),3===l&&s.readBits(1),l<=3&&(u=h[l]),c=s.readUEG()+8,f=s.readUEG()+8,s.readBits(1),s.readBool())){let e=3!==l?8:12;for(let t=0;t<e;t++)s.readBool()&&(t<6?mt._skipScalingList(s,16):mt._skipScalingList(s,64))}s.readUEG();let p=s.readUEG();if(0===p)s.readUEG();else 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a=mt.parseSPS(n);if(0!==i)continue;t.sps=n,t.timescale=1e3,t.codecWidth=a.codec_size.width,t.codecHeight=a.codec_size.height,t.presentWidth=a.present_size.width,t.presentHeight=a.present_size.height,t.profile=a.profile_string,t.level=a.level_string,t.bitDepth=a.bit_depth,t.chromaFormat=a.chroma_format,t.sarRatio=a.sar_ratio,t.frameRate=a.frame_rate,!1!==a.frame_rate.fixed&&0!==a.frame_rate.fps_num&&0!==a.frame_rate.fps_den||(t.frameRate={fixed:!0,fps:25,fps_num:25e3,fps_den:1e3});let d=t.frameRate.fps_den,l=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(d/l);let u=n.subarray(1,4),h="avc1.";for(let e=0;e<3;e++){let t=u[e].toString(16);t.length<2&&(t="0"+t),h+=t}t.codec=h}let d=r.getUint8(o);if(0===d)return{};o++;for(let i=0;i<d;i++){let i=r.getUint16(o,!1);if(o+=2,0===i)continue;let s=new Uint8Array(e.buffer,o,i);o+=i,t.pps=s}if(t.videoType="avc",t.sps){const e=t.sps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new 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1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}},At=e=>{let t=Ut(e),r=new pt(t);r.readByte(),r.readByte();let i=0,s=0,n=0,a=0;r.readBits(4);let o=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),h=r.readByte(),c=r.readByte(),f=r.readByte(),p=r.readByte(),m=r.readByte(),_=r.readByte(),g=r.readByte(),y=r.readByte(),b=r.readByte(),v=r.readByte(),w=r.readByte(),S=[],E=[];for(let e=0;e<o;e++)S.push(r.readBool()),E.push(r.readBool());if(o>0)for(let e=o;e<8;e++)r.readBits(2);for(let e=0;e<o;e++)S[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),S[e]&&r.readByte();r.readUEG();let U=r.readUEG();3==U&&r.readBits(1);let x=r.readUEG(),A=r.readUEG();r.readBool()&&(i+=r.readUEG(),s+=r.readUEG(),n+=r.readUEG(),a+=r.readUEG());let B=r.readUEG(),k=r.readUEG(),T=r.readUEG();for(let e=r.readBool()?0:o;e<=o;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()){if(r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++){if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG()}}r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let C=r.readUEG(),D=0;for(let e=0;e<C;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===C&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<T+4;e++)r.readBits(1);r.readBits(1)}}let F=!1,I=0,P=1,L=1,z=!1,R=1,M=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte();e>0&&e<16?(P=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][e-1],L=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][e-1]):255===e&&(P=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()){r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())}if(r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),F=r.readBool(),F&&(i+=r.readUEG(),s+=r.readUEG(),n+=r.readUEG(),a+=r.readUEG()),r.readBool()){if(R=r.readBits(32),M=r.readBits(32),r.readBool()){if(r.readUEG(),r.readBool()){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let s=0;s<=o;s++){let s=r.readBool();z=s;let n=!1,a=1;s||(n=r.readBool());let o=!1;if(n?r.readSEG():o=r.readBool(),o||(cpbcnt=r.readUEG()+1),e)for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());if(t)for(let e=0;e<a;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG())}}}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),I=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let N=`hvc1.${u}.1.L${w}.B0`,O=x,G=A,H=1;return 1!==P&&1!==L&&(H=P/L),r.destroy(),r=null,{codec_mimetype:N,level_string:($=w,($/30).toFixed(1)),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:U,chroma_format_string:xt(U),general_level_idc:w,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:h,general_profile_compatibility_flags_2:c,general_profile_compatibility_flags_3:f,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:I,constant_frame_rate:0,chroma_format_idc:U,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:k,frame_rate:{fixed:z,fps:M/R,fps_den:R,fps_num:M},sar_ratio:{width:P,height:L},codec_size:{width:O,height:G},present_size:{width:O*H,height:G}};var $},Bt=e=>{let t=Ut(e),r=new pt(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()}},kt=e=>{let t=Ut(e),r=new pt(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(),s=r.readBool(),n=1;return s&&i?n=0:s?n=3:i&&(n=2),{parallelismType:n}};function Tt(e,t=0){return(e[t]<<24>>>0)+(e[t+1]<<16)+(e[t+2]<<8)+(e[t+3]||0)}function Ct(e,t=4){if(e.length<4)return;const r=e.length,i=[];let s,n=0;for(;n+t<r;)if(s=Tt(e,n),3===t&&(s>>>=8),n+=t,s){if(n+s>r)break;i.push(e.subarray(n,n+s)),n+=s}return i}function Dt(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 Ft(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 It(e,t){let r={},i=e.length,s=[],n=new _t(e);n.read(1),n.read(6),n.read(6),n.read(3);for(let e=2;e<i;e++)e+2<i&&3==n.look(24)?(s.push(n.read(8)),s.push(n.read(8)),e+=2,n.read(8)):s.push(n.read(8));let a=new Uint8Array(s),o=new _t(a);if(r.sps_video_parameter_set_id=o.read(4),r.sps_max_sub_layers_minus1=o.read(3),r.sps_temporal_id_nesting_flag=o.read(1),r.profile_tier_level=function(e,t,r){let i={};i.profile_space=e.read(2),i.tier_flag=e.read(1),i.profile_idc=e.read(5),i.profile_compatibility_flags=e.read(32),i.general_progressive_source_flag=e.read(1),i.general_interlaced_source_flag=e.read(1),i.general_non_packed_constraint_flag=e.read(1),i.general_frame_only_constraint_flag=e.read(1),e.read(32),e.read(12),i.level_idc=e.read(8),i.sub_layer_profile_present_flag=[],i.sub_layer_level_present_flag=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]=e.read(1),i.sub_layer_level_present_flag[t]=e.read(1);if(r>0)for(let t=r;t<8;t++)e.read(2);i.sub_layer_profile_space=[],i.sub_layer_tier_flag=[],i.sub_layer_profile_idc=[],i.sub_layer_profile_compatibility_flag=[],i.sub_layer_progressive_source_flag=[],i.sub_layer_interlaced_source_flag=[],i.sub_layer_non_packed_constraint_flag=[],i.sub_layer_frame_only_constraint_flag=[],i.sub_layer_level_idc=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]&&(i.sub_layer_profile_space[t]=e.read(2),i.sub_layer_tier_flag[t]=e.read(1),i.sub_layer_profile_idc[t]=e.read(5),i.sub_layer_profile_compatibility_flag[t]=e.read(32),i.sub_layer_progressive_source_flag[t]=e.read(1),i.sub_layer_interlaced_source_flag[t]=e.read(1),i.sub_layer_non_packed_constraint_flag[t]=e.read(1),i.sub_layer_frame_only_constraint_flag[t]=e.read(1),e.read(32),e.read(12)),i.sub_layer_level_present_flag[t]?i.sub_layer_level_idc[t]=e.read(8):i.sub_layer_level_idc[t]=1;return i}(o,0,r.sps_max_sub_layers_minus1),r.sps_seq_parameter_set_id=o.read_golomb(),r.chroma_format_idc=o.read_golomb(),3==r.chroma_format_idc?r.separate_colour_plane_flag=o.read(1):r.separate_colour_plane_flag=0,r.pic_width_in_luma_samples=o.read_golomb(),r.pic_height_in_luma_samples=o.read_golomb(),r.conformance_window_flag=o.read(1),r.conformance_window_flag){let e=1+(r.chroma_format_idc<2),t=1+(r.chroma_format_idc<3);r.conf_win_left_offset=o.read_golomb()*t,r.conf_win_right_offset=o.read_golomb()*t,r.conf_win_top_offset=o.read_golomb()*e,r.conf_win_bottom_offset=o.read_golomb()*e}else r.conf_win_left_offset=0,r.conf_win_right_offset=0,r.conf_win_top_offset=0,r.conf_win_bottom_offset=0;return r}function Pt({vps:e,pps:t,sps:r}){let i={configurationVersion:1};const s=Bt(e),n=At(r),a=kt(t);i=Object.assign(i,s,n,a);let o=23+(5+e.byteLength)+(5+r.byteLength)+(5+t.byteLength),d=new Uint8Array(o);d[0]=1,d[1]=(3&i.general_profile_space)<<6|(i.general_tier_flag?1:0)<<5|31&i.general_profile_idc,d[2]=i.general_profile_compatibility_flags_1||0,d[3]=i.general_profile_compatibility_flags_2||0,d[4]=i.general_profile_compatibility_flags_3||0,d[5]=i.general_profile_compatibility_flags_4||0,d[6]=i.general_constraint_indicator_flags_1||0,d[7]=i.general_constraint_indicator_flags_2||0,d[8]=i.general_constraint_indicator_flags_3||0,d[9]=i.general_constraint_indicator_flags_4||0,d[10]=i.general_constraint_indicator_flags_5||0,d[11]=i.general_constraint_indicator_flags_6||0,d[12]=60,d[13]=240|(3840&i.min_spatial_segmentation_idc)>>8,d[14]=255&i.min_spatial_segmentation_idc,d[15]=252|3&i.parallelismType,d[16]=252|3&i.chroma_format_idc,d[17]=248|7&i.bit_depth_luma_minus8,d[18]=248|7&i.bit_depth_chroma_minus8,d[19]=0,d[20]=0,d[21]=(3&i.constant_frame_rate)<<6|(7&i.num_temporal_layers)<<3|(i.temporal_id_nested?1:0)<<2|3,d[22]=3,d[23]=128|Ae.vps,d[24]=0,d[25]=1,d[26]=(65280&e.byteLength)>>8,d[27]=255&e.byteLength,d.set(e,28),d[23+(5+e.byteLength)+0]=128|Ae.sps,d[23+(5+e.byteLength)+1]=0,d[23+(5+e.byteLength)+2]=1,d[23+(5+e.byteLength)+3]=(65280&r.byteLength)>>8,d[23+(5+e.byteLength)+4]=255&r.byteLength,d.set(r,23+(5+e.byteLength)+5),d[23+(5+e.byteLength+5+r.byteLength)+0]=128|Ae.pps,d[23+(5+e.byteLength+5+r.byteLength)+1]=0,d[23+(5+e.byteLength+5+r.byteLength)+2]=1,d[23+(5+e.byteLength+5+r.byteLength)+3]=(65280&t.byteLength)>>8,d[23+(5+e.byteLength+5+r.byteLength)+4]=255&t.byteLength,d.set(t,23+(5+e.byteLength+5+r.byteLength)+5);const 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lr(e){for(var t=[],r=0;r<e.length;r+=4)t.push(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3]);return t}var ur=function(e){if(!(this instanceof ur))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:Gt(e,!0)}),this._prepare()};ur.prototype._prepare=function(){var e=Yt[this.key.length];if(null==e)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var t=0;t<=e;t++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var r,i=4*(e+1),s=this.key.length/4,n=lr(this.key);for(t=0;t<s;t++)r=t>>2,this._Ke[r][t%4]=n[t],this._Kd[e-r][t%4]=n[t];for(var a,o=0,d=s;d<i;){if(a=n[s-1],n[0]^=Kt[a>>16&255]<<24^Kt[a>>8&255]<<16^Kt[255&a]<<8^Kt[a>>24&255]^qt[o]<<24,o+=1,8!=s)for(t=1;t<s;t++)n[t]^=n[t-1];else{for(t=1;t<s/2;t++)n[t]^=n[t-1];a=n[s/2-1],n[s/2]^=Kt[255&a]^Kt[a>>8&255]<<8^Kt[a>>16&255]<<16^Kt[a>>24&255]<<24;for(t=s/2+1;t<s;t++)n[t]^=n[t-1]}for(t=0;t<s&&d<i;)l=d>>2,u=d%4,this._Ke[l][u]=n[t],this._Kd[e-l][u]=n[t++],d++}for(var l=1;l<e;l++)for(var u=0;u<4;u++)a=this._Kd[l][u],this._Kd[l][u]=nr[a>>24&255]^ar[a>>16&255]^or[a>>8&255]^dr[255&a]},ur.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=lr(e),s=0;s<4;s++)i[s]^=this._Ke[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)r[s]=Zt[i[s]>>24&255]^Jt[i[(s+1)%4]>>16&255]^Qt[i[(s+2)%4]>>8&255]^er[255&i[(s+3)%4]]^this._Ke[n][s];i=r.slice()}var a,o=Ht(16);for(s=0;s<4;s++)a=this._Ke[t][s],o[4*s]=255&(Kt[i[s]>>24&255]^a>>24),o[4*s+1]=255&(Kt[i[(s+1)%4]>>16&255]^a>>16),o[4*s+2]=255&(Kt[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(Kt[255&i[(s+3)%4]]^a);return o},ur.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=lr(e),s=0;s<4;s++)i[s]^=this._Kd[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)r[s]=tr[i[s]>>24&255]^rr[i[(s+3)%4]>>16&255]^ir[i[(s+2)%4]>>8&255]^sr[255&i[(s+1)%4]]^this._Kd[n][s];i=r.slice()}var a,o=Ht(16);for(s=0;s<4;s++)a=this._Kd[t][s],o[4*s]=255&(Xt[i[s]>>24&255]^a>>24),o[4*s+1]=255&(Xt[i[(s+3)%4]>>16&255]^a>>16),o[4*s+2]=255&(Xt[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(Xt[255&i[(s+1)%4]]^a);return o};var hr=function(e){if(!(this instanceof hr))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new ur(e)};hr.prototype.encrypt=function(e){if((e=Gt(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Ht(e.length),r=Ht(16),i=0;i<e.length;i+=16)$t(e,r,0,i,i+16),$t(r=this._aes.encrypt(r),t,i);return t},hr.prototype.decrypt=function(e){if((e=Gt(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Ht(e.length),r=Ht(16),i=0;i<e.length;i+=16)$t(e,r,0,i,i+16),$t(r=this._aes.decrypt(r),t,i);return t};var cr=function(e,t){if(!(this instanceof cr))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=Ht(16);this._lastCipherblock=Gt(t,!0),this._aes=new ur(e)};cr.prototype.encrypt=function(e){if((e=Gt(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Ht(e.length),r=Ht(16),i=0;i<e.length;i+=16){$t(e,r,0,i,i+16);for(var s=0;s<16;s++)r[s]^=this._lastCipherblock[s];this._lastCipherblock=this._aes.encrypt(r),$t(this._lastCipherblock,t,i)}return t},cr.prototype.decrypt=function(e){if((e=Gt(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Ht(e.length),r=Ht(16),i=0;i<e.length;i+=16){$t(e,r,0,i,i+16),r=this._aes.decrypt(r);for(var s=0;s<16;s++)t[i+s]=r[s]^this._lastCipherblock[s];$t(e,this._lastCipherblock,0,i,i+16)}return t};var fr=function(e,t,r){if(!(this instanceof fr))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 size)")}else t=Ht(16);r||(r=1),this.segmentSize=r,this._shiftRegister=Gt(t,!0),this._aes=new ur(e)};fr.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,r=Gt(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)r[i+s]^=t[s];$t(this._shiftRegister,this._shiftRegister,0,this.segmentSize),$t(r,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r},fr.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,r=Gt(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)r[i+s]^=t[s];$t(this._shiftRegister,this._shiftRegister,0,this.segmentSize),$t(e,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r};var pr=function(e,t){if(!(this instanceof pr))throw Error("AES must be instanitated with `new`");if(this.description="Output Feedback",this.name="ofb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=Ht(16);this._lastPrecipher=Gt(t,!0),this._lastPrecipherIndex=16,this._aes=new ur(e)};pr.prototype.encrypt=function(e){for(var t=Gt(e,!0),r=0;r<t.length;r++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),t[r]^=this._lastPrecipher[this._lastPrecipherIndex++];return t},pr.prototype.decrypt=pr.prototype.encrypt;var mr=function(e){if(!(this instanceof mr))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=Ht(16),this.setValue(e)):this.setBytes(e)};mr.prototype.setValue=function(e){if("number"!=typeof e||parseInt(e)!=e)throw new Error("invalid counter value (must be an integer)");if(e>Number.MAX_SAFE_INTEGER)throw new Error("integer value out of safe range");for(var t=15;t>=0;--t)this._counter[t]=e%256,e=parseInt(e/256)},mr.prototype.setBytes=function(e){if(16!=(e=Gt(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 _r=function(e,t){if(!(this instanceof _r))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 ur(e)};_r.prototype.encrypt=function(e){for(var t=Gt(e,!0),r=0;r<t.length;r++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[r]^=this._remainingCounter[this._remainingCounterIndex++];return t},_r.prototype.decrypt=_r.prototype.encrypt;const gr={AES:ur,Counter:mr,ModeOfOperation:{ecb:hr,cbc:cr,cfb:fr,ofb:pr,ctr:_r},utils:{hex:jt,utf8:Wt},padding:{pkcs7:{pad:function(e){var t=16-(e=Gt(e,!0)).length%16,r=Ht(e.length+t);$t(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=Gt(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(t>16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var s=Ht(r);return $t(e,s,0,0,r),s}}},_arrayTest:{coerceArray:Gt,createArray:Ht,copyArray:$t}};var yr=$e((function(e,t){var r,i,s,n=(r=new Date,i=4,s={setLogLevel:function(e){i=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>=i&&console.debug("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=i&&console.info("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=i&&console.warn("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=i&&console.error("["+n.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},s);n.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length<t;)r[0]="0"+r[0];return r.join(".")}e<0?(r=!0,e=-e):r=!1;var s=e/(t||1),n=Math.floor(s/3600);s-=3600*n;var a=Math.floor(s/60),o=1e3*(s-=60*a);return o-=1e3*(s=Math.floor(s)),o=Math.floor(o),(r?"-":"")+n+":"+i(a,2)+":"+i(s,2)+"."+i(o,3)},n.printRanges=function(e){var t=e.length;if(t>0){for(var r="",i=0;i<t;i++)i>0&&(r+=","),r+="["+n.getDurationString(e.start(i))+","+n.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=n;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;r<e;r++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},a.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},a.prototype.readInt8=function(){return this.readAnyInt(1,!0)},a.prototype.readInt16=function(){return this.readAnyInt(2,!0)},a.prototype.readInt32=function(){return this.readAnyInt(4,!0)},a.prototype.readInt64=function(){return this.readAnyInt(8,!1)},a.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),r=0;r<e;r++)t[r]=this.readUint8();return t},a.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readInt16();return t},a.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readUint16();return t},a.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),r=0;r<e;r++)t[r]=this.readUint32();return t},a.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),r=0;r<e;r++)t[r]=this.readInt32();return t},t.MP4BoxStream=a;var o=function(e,t,r){this._byteOffset=t||0,e instanceof ArrayBuffer?this.buffer=e:"object"==typeof e?(this.dataView=e,t&&(this._byteOffset+=t)):this.buffer=new ArrayBuffer(e||0),this.position=0,this.endianness=null==r?o.LITTLE_ENDIAN:r};o.prototype={},o.prototype.getPosition=function(){return this.position},o.prototype._realloc=function(e){if(this._dynamicSize){var t=this._byteOffset+this.position+e,r=this._buffer.byteLength;if(t<=r)t>this._byteLength&&(this._byteLength=t);else{for(r<1&&(r=1);t>r;)r*=2;var i=new ArrayBuffer(r),s=new Uint8Array(this._buffer);new Uint8Array(i,0,s.length).set(s),this.buffer=i,this._byteLength=t}}},o.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}},o.BIG_ENDIAN=!1,o.LITTLE_ENDIAN=!0,o.prototype._byteLength=0,Object.defineProperty(o.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(o.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(o.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(o.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}}),o.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},o.prototype.isEof=function(){return this.position>=this._byteLength},o.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},o.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return o.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},o.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return o.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},o.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return o.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),o.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},o.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},o.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},o.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},o.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},o.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},o.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},o.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},o.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},o.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,o.memcpy=function(e,t,r,i,s){var n=new Uint8Array(e,t,s),a=new Uint8Array(r,i,s);n.set(a)},o.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},o.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},o.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT)for(var i=r+e.BYTES_PER_ELEMENT-1,s=r;i>s;i--,s++){var n=t[s];t[s]=t[i],t[i]=n}return e},o.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r<e.length;r++)t[r]=e[r];return String.fromCharCode.apply(null,t)},o.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},o.prototype.readCString=function(e){var t=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),i=t;null!=e&&(i=Math.min(e,t));for(var s=0;s<i&&0!==r[s];s++);var n=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(s)]);return null!=e?this.position+=i-s:s!=t&&(this.position+=1),n};var d=Math.pow(2,32);o.prototype.readInt64=function(){return this.readInt32()*d+this.readUint32()},o.prototype.readUint64=function(){return this.readUint32()*d+this.readUint32()},o.prototype.readInt64=function(){return this.readUint32()*d+this.readUint32()},o.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=o,o.prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var r=window.URL.createObjectURL(t),i=document.createElement("a");document.body.appendChild(i),i.setAttribute("href",r),i.setAttribute("download",e),i.setAttribute("target","_self"),i.click(),window.URL.revokeObjectURL(r)},o.prototype._dynamicSize=!0,Object.defineProperty(o.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),o.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),r=new Uint8Array(t),i=new Uint8Array(this._buffer,e,r.length);r.set(i),this.buffer=t,this.position-=e},o.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt32(e[r],t)},o.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt16(e[r],t)},o.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},o.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint32(e[r],t)},o.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint16(e[r],t)},o.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},o.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat64(e[r],t)},o.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)o.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat32(e[r],t)},o.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},o.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},o.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},o.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},o.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},o.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},o.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},o.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},o.prototype.writeUCS2String=function(e,t,r){null==r&&(r=e.length);for(var i=0;i<e.length&&i<r;i++)this.writeUint16(e.charCodeAt(i),t);for(;i<r;i++)this.writeUint16(0)},o.prototype.writeString=function(e,t,r){var i=0;if(null==t||"ASCII"==t)if(null!=r){var s=Math.min(e.length,r);for(i=0;i<s;i++)this.writeUint8(e.charCodeAt(i));for(;i<r;i++)this.writeUint8(0)}else for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))},o.prototype.writeCString=function(e,t){var r=0;if(null!=t){var i=Math.min(e.length,t);for(r=0;r<i;r++)this.writeUint8(e.charCodeAt(r));for(;r<t;r++)this.writeUint8(0)}else{for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));this.writeUint8(0)}},o.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}},o.prototype.writeType=function(e,t,r){var i;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,r);var s=null,n="ASCII",a=this.position;switch("string"==typeof e&&/:/.test(e)&&(i=e.split(":"),e=i[0],s=parseInt(i[1])),"string"==typeof e&&/,/.test(e)&&(i=e.split(","),e=i[0],n=parseInt(i[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,o.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,o.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,o.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,o.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,o.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,o.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,o.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,o.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,o.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,o.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,o.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,o.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,s);break;case"string":this.writeString(t,n,s);break;case"u16string":this.writeUCS2String(t,this.endianness,s);break;case"u16stringle":this.writeUCS2String(t,o.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(t,o.BIG_ENDIAN,s);break;default:if(3==e.length){for(var d=e[1],l=0;l<t.length;l++)this.writeType(d,t[l]);break}this.writeStruct(e,t)}null!=s&&(this.position=a,this._realloc(s),this.position=a+s)},o.prototype.writeUint64=function(e){var t=Math.floor(e/d);this.writeUint32(t),this.writeUint32(4294967295&e)},o.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},o.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},o.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},o.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},o.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},o.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},o.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},o.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},o.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return o.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r};var l=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(l.prototype=new o(new ArrayBuffer,0,o.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,n.debug("MultiBufferStream","Stream ready for parsing"),!0):(n.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(n.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){n.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},l.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},l.prototype.insertBuffer=function(e){for(var t=!0,r=0;r<this.buffers.length;r++){var i=this.buffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.buffers.splice(r,1),r--;continue}n.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)),n.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(r,0,e),0===r&&(this.buffer=e);t=!1;break}if(e.fileStart<i.fileStart+i.byteLength){var s=i.fileStart+i.byteLength-e.fileStart,a=e.byteLength-s;if(!(a>0)){t=!1;break}e=this.reduceBuffer(e,s,a)}}t&&(n.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},l.prototype.logBufferLevel=function(e){var t,r,i,s,a,o=[],d="";for(i=0,s=0,t=0;t<this.buffers.length;t++)r=this.buffers[t],0===t?(a={},o.push(a),a.start=r.fileStart,a.end=r.fileStart+r.byteLength,d+="["+a.start+"-"):a.end===r.fileStart?a.end=r.fileStart+r.byteLength:((a={}).start=r.fileStart,d+=o[o.length-1].end-1+"], ["+a.start+"-",a.end=r.fileStart+r.byteLength,o.push(a)),i+=r.usedBytes,s+=r.byteLength;o.length>0&&(d+=a.end-1+"]");var l=e?n.info:n.debug;0===this.buffers.length?l("MultiBufferStream","No more buffer in memory"):l("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+s+" bytes), continuous ranges: "+d)},l.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(n.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},l.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,e),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=i,n.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},l.prototype.findPosition=function(e,t,r){var i,s=null,a=-1;for(i=!0===e?0:this.bufferIndex;i<this.buffers.length&&(s=this.buffers[i]).fileStart<=t;)a=i,r&&(s.fileStart+s.byteLength<=t?s.usedBytes=s.byteLength:s.usedBytes=t-s.fileStart,this.logBufferLevel()),i++;return-1!==a&&(s=this.buffers[a]).fileStart+s.byteLength>=t?(n.debug("MultiBufferStream","Found position in existing buffer #"+a),a):-1},l.prototype.findEndContiguousBuf=function(e){var t,r,i,s=void 0!==e?e:this.bufferIndex;if(r=this.buffers[s],this.buffers.length>s+1)for(t=s+1;t<this.buffers.length&&(i=this.buffers[t]).fileStart===r.fileStart+r.byteLength;t++)r=i;return r.fileStart+r.byteLength},l.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},l.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},l.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},l.prototype.seek=function(e,t,r){var i;return-1!==(i=this.findPosition(t,e,r))?(this.buffer=this.buffers[i],this.bufferIndex=i,this.position=e-this.buffer.fileStart,n.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(n.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},l.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},l.prototype.getLength=function(){return this.byteLength},l.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=l;var u=function(){var e=[];e[3]="ES_Descriptor",e[4]="DecoderConfigDescriptor",e[5]="DecoderSpecificInfo",e[6]="SLConfigDescriptor",this.getDescriptorName=function(t){return e[t]};var t=this,r={};return this.parseOneDescriptor=function(t){var i,s,a,o=0;for(i=t.readUint8(),a=t.readUint8();128&a;)o=(127&a)<<7,a=t.readUint8();return o+=127&a,n.debug("MPEG4DescriptorParser","Found "+(e[i]||"Descriptor "+i)+", size "+o+" at position "+t.getPosition()),(s=e[i]?new r[e[i]](o):new r.Descriptor(o)).parse(t),s},r.Descriptor=function(e,t){this.tag=e,this.size=t,this.descs=[]},r.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++)if(this.descs[t].tag==e)return this.descs[t];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(e){for(var r=e.position;e.position<r+this.size;){var i=t.parseOneDescriptor(e);this.descs.push(i)}},r.ES_Descriptor=function(e){r.Descriptor.call(this,3,e)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(e){if(this.ES_ID=e.readUint16(),this.flags=e.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=e.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var t=e.readUint8();this.URL=e.readString(t),this.size-=t+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=e.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(e)},r.ES_Descriptor.prototype.getOTI=function(e){var t=this.findDescriptor(4);return t?t.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(e){var t=this.findDescriptor(4);if(!t)return null;var r=t.findDescriptor(5);if(r&&r.data){var i=(248&r.data[0])>>3;return 31===i&&r.data.length>=2&&(i=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),i}return null},r.DecoderConfigDescriptor=function(e){r.Descriptor.call(this,4,e)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8(),this.streamType=e.readUint8(),this.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=u;var h={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"]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){h.FullBox.prototype=new h.Box,h.ContainerBox.prototype=new h.Box,h.SampleEntry.prototype=new h.Box,h.TrackGroupTypeBox.prototype=new h.FullBox,h.BASIC_BOXES.forEach((function(e){h.createBoxCtor(e)})),h.FULL_BOXES.forEach((function(e){h.createFullBoxCtor(e)})),h.CONTAINER_BOXES.forEach((function(e){h.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){h.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){h.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){h.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){h.FullBox.call(this,e,t)},createBoxCtor:function(e,t){h.boxCodes.push(e),h[e+"Box"]=function(t){h.Box.call(this,e,t)},h[e+"Box"].prototype=new h.Box,t&&(h[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,r=0;r<t;r++)this[e[r]+"s"]=[]}},createContainerBoxCtor:function(e,t,r){h[e+"Box"]=function(t){h.ContainerBox.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"Box"].prototype=new h.ContainerBox,t&&(h[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,r){h.sampleEntryCodes[e]=[],h[e+"SampleEntry"]=function(e,t){h.SampleEntry.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"SampleEntry"].prototype=new h.SampleEntry,t&&(h[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,r,i){h.sampleEntryCodes[e].push(t),h[t+"SampleEntry"]=function(r){h[e+"SampleEntry"].call(this,t,r),h.addSubBoxArrays.call(this,i)},h[t+"SampleEntry"].prototype=new h[e+"SampleEntry"],r&&(h[t+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(e,t,r){h.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(e,t){h[e+"SampleGroupEntry"]=function(t){h.SampleGroupEntry.call(this,e,t)},h[e+"SampleGroupEntry"].prototype=new h.SampleGroupEntry,t&&(h[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){h[e+"TrackGroupTypeBox"]=function(t){h.TrackGroupTypeBox.call(this,e,t)},h[e+"TrackGroupTypeBox"].prototype=new h.TrackGroupTypeBox,t&&(h[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,r,i){h.UUIDs.push(e),h.UUIDBoxes[e]=function(i){t?h.FullBox.call(this,"uuid",i,e):r?h.ContainerBox.call(this,"uuid",i,e):h.Box.call(this,"uuid",i,e)},h.UUIDBoxes[e].prototype=t?new h.FullBox:r?new h.ContainerBox:new h.Box,i&&(h.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),i&&i.call(this,e)}:i)}};h.initialize(),h.TKHD_FLAG_ENABLED=1,h.TKHD_FLAG_IN_MOVIE=2,h.TKHD_FLAG_IN_PREVIEW=4,h.TFHD_FLAG_BASE_DATA_OFFSET=1,h.TFHD_FLAG_SAMPLE_DESC=2,h.TFHD_FLAG_SAMPLE_DUR=8,h.TFHD_FLAG_SAMPLE_SIZE=16,h.TFHD_FLAG_SAMPLE_FLAGS=32,h.TFHD_FLAG_DUR_EMPTY=65536,h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,h.TRUN_FLAGS_DATA_OFFSET=1,h.TRUN_FLAGS_FIRST_FLAG=4,h.TRUN_FLAGS_DURATION=256,h.TRUN_FLAGS_SIZE=512,h.TRUN_FLAGS_FLAGS=1024,h.TRUN_FLAGS_CTS_OFFSET=2048,h.Box.prototype.add=function(e){return this.addBox(new h[e+"Box"])},h.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},h.Box.prototype.set=function(e,t){return this[e]=t,this},h.Box.prototype.addEntry=function(e,t){var r=t||"entries";return this[r]||(this[r]=[]),this[r].push(e),this},t.BoxParser=h,h.parseUUID=function(e){return h.parseHex16(e)},h.parseHex16=function(e){for(var t="",r=0;r<16;r++){var i=e.readUint8().toString(16);t+=1===i.length?"0"+i:i}return t},h.parseOneBox=function(e,t,r){var i,s,a,o=e.getPosition(),d=0;if(e.getEndPosition()-o<8)return n.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:h.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return n.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:h.ERR_NOT_ENOUGH_DATA};var l=e.readUint32(),u=e.readString(4),c=u;if(n.debug("BoxParser","Found box of type '"+u+"' and size "+l+" at position "+o),d=8,"uuid"==u){if(e.getEndPosition()-e.getPosition()<16||r-d<16)return e.seek(o),n.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:h.ERR_NOT_ENOUGH_DATA};d+=16,c=a=h.parseUUID(e)}if(1==l){if(e.getEndPosition()-e.getPosition()<8||r&&r-d<8)return e.seek(o),n.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:h.ERR_NOT_ENOUGH_DATA};l=e.readUint64(),d+=8}else if(0===l)if(r)l=r;else if("mdat"!==u)return n.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),i=new h.Box(u,l),{code:h.OK,box:i,size:i.size};return 0!==l&&l<d?(n.error("BoxParser","Box of type "+u+" has an invalid size "+l+" (too small to be a box)"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&r&&l>r?(n.error("BoxParser","Box of type '"+u+"' has a size "+l+" greater than its container size "+r),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&o+l>e.getEndPosition()?(e.seek(o),n.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):t?{code:h.OK,type:u,size:l,hdr_size:d,start:o}:(h[u+"Box"]?i=new h[u+"Box"](l):"uuid"!==u?(n.warn("BoxParser","Unknown box type: '"+u+"'"),(i=new h.Box(u,l)).has_unparsed_data=!0):h.UUIDBoxes[a]?i=new h.UUIDBoxes[a](l):(n.warn("BoxParser","Unknown uuid type: '"+a+"'"),(i=new h.Box(u,l)).uuid=a,i.has_unparsed_data=!0),i.hdr_size=d,i.start=o,i.write===h.Box.prototype.write&&"mdat"!==i.type&&(n.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),(s=e.getPosition()-(i.start+i.size))<0?(n.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),e.seek(i.start+i.size)):s>0&&(n.error("BoxParser","Parsing of box '"+c+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:h.OK,box:i,size:i.size})},h.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)},h.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},h.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},h.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},h.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;if(r=t.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var i="uuid"!==r.type?r.type:r.uuid;this[i]?n.warn("Box of type "+i+" already stored in field of this type"):this[i]=r}}},h.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},h.SAMPLE_ENTRY_TYPE_VISUAL="Visual",h.SAMPLE_ENTRY_TYPE_AUDIO="Audio",h.SAMPLE_ENTRY_TYPE_HINT="Hint",h.SAMPLE_ENTRY_TYPE_METADATA="Metadata",h.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",h.SAMPLE_ENTRY_TYPE_SYSTEM="System",h.SAMPLE_ENTRY_TYPE_TEXT="Text",h.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},h.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.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},h.SampleEntry.prototype.parseFooter=function(e){h.ContainerBox.prototype.parse.call(this,e)},h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_HINT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT),h.createMediaSampleEntryCtor(h.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)})),h.createMediaSampleEntryCtor(h.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)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT,"enct"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"encm"),h.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()})),h.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),h.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)})),h.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)n.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 n.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else n.error("av1C reserved_1 parsing problem");else n.error("av1C version "+this.version+" not supported")})),h.createBoxCtor("avcC",(function(e){var t,r;for(this.configurationVersion=e.readUint8(),this.AVCProfileIndication=e.readUint8(),this.profile_compatibility=e.readUint8(),this.AVCLevelIndication=e.readUint8(),this.lengthSizeMinusOne=3&e.readUint8(),this.nb_SPS_nalus=31&e.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],t=0;t<this.nb_SPS_nalus;t++)this.SPS[t]={},this.SPS[t].length=e.readUint16(),this.SPS[t].nalu=e.readUint8Array(this.SPS[t].length),r-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),r--,this.PPS=[],t=0;t<this.nb_PPS_nalus;t++)this.PPS[t]={},this.PPS[t].length=e.readUint16(),this.PPS[t].nalu=e.readUint8Array(this.PPS[t].length),r-=2+this.PPS[t].length;r>0&&(this.ext=e.readUint8Array(r))})),h.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),h.createBoxCtor("clap",(function(e){this.cleanApertureWidthN=e.readUint32(),this.cleanApertureWidthD=e.readUint32(),this.cleanApertureHeightN=e.readUint32(),this.cleanApertureHeightD=e.readUint32(),this.horizOffN=e.readUint32(),this.horizOffD=e.readUint32(),this.vertOffN=e.readUint32(),this.vertOffD=e.readUint32()})),h.createBoxCtor("clli",(function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()})),h.createFullBoxCtor("co64",(function(e){var t,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<t;r++)this.chunk_offsets.push(e.readUint64())})),h.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),h.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),h.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),h.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())})),h.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&n.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),h.createBoxCtor("dac3",(function(e){var t=e.readUint8(),r=e.readUint8(),i=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|i>>5&7})),h.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var i={};this.ind_subs.push(i);var s=e.readUint8(),n=e.readUint8(),a=e.readUint8();i.fscod=s>>6,i.bsid=s>>1&31,i.bsmod=(1&s)<<4|n>>4&15,i.acmod=n>>1&7,i.lfeon=1&n,i.num_dep_sub=a>>1&15,i.num_dep_sub>0&&(i.chan_loc=(1&a)<<8|e.readUint8())}})),h.createFullBoxCtor("dfLa",(function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),s=Math.min(127&i,r.length-1);if(s?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(r[s]),128&i)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"})),h.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),h.createFullBoxCtor("dref",(function(e){var t,r;this.entries=[];for(var i=e.readUint32(),s=0;s<i;s++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;r=t.box,this.entries.push(r)}})),h.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),1===this.version?(i.segment_duration=e.readUint64(),i.media_time=e.readInt64()):(i.segment_duration=e.readUint32(),i.media_time=e.readInt32()),i.media_rate_integer=e.readInt16(),i.media_rate_fraction=e.readInt16()}})),h.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),h.createFullBoxCtor("esds",(function(e){var t=e.readUint8Array(this.size-this.hdr_size);if(void 0!==u){var r=new u;this.esd=r.parseOneDescriptor(new o(t.buffer,0,o.BIG_ENDIAN))}})),h.createBoxCtor("fiel",(function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()})),h.createBoxCtor("frma",(function(e){this.data_format=e.readString(4)})),h.createBoxCtor("ftyp",(function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var r=0;t>=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),h.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)))})),h.createBoxCtor("hvcC",(function(e){var t,r,i,s;this.configurationVersion=e.readUint8(),s=e.readUint8(),this.general_profile_space=s>>6,this.general_tier_flag=(32&s)>>5,this.general_profile_idc=31&s,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(),s=e.readUint8(),this.constantFrameRate=s>>6,this.numTemporalLayers=(13&s)>>3,this.temporalIdNested=(4&s)>>2,this.lengthSizeMinusOne=3&s,this.nalu_arrays=[];var n=e.readUint8();for(t=0;t<n;t++){var a=[];this.nalu_arrays.push(a),s=e.readUint8(),a.completeness=(128&s)>>7,a.nalu_type=63&s;var o=e.readUint16();for(r=0;r<o;r++){var d={};a.push(d),i=e.readUint16(),d.data=e.readUint8Array(i)}}})),h.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;"infe"!==t.box.type&&n.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}})),h.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var r=0;if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var s={};if(this.items.push(s),this.version<2)s.item_ID=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";s.item_ID=e.readUint16()}switch(1===this.version||2===this.version?s.construction_method=15&e.readUint16():s.construction_method=0,s.data_reference_index=e.readUint16(),this.base_offset_size){case 0:s.base_offset=0;break;case 4:s.base_offset=e.readUint32();break;case 8:s.base_offset=e.readUint64();break;default:throw"Error reading base offset size"}var n=e.readUint16();s.extents=[];for(var a=0;a<n;a++){var o={};if(s.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=e.readUint32();break;case 8:o.extent_index=e.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=e.readUint32();break;case 8:o.extent_offset=e.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=e.readUint32();break;case 8:o.extent_length=e.readUint64();break;default:throw"Error reading extent index"}}}})),h.createBoxCtor("imir",(function(e){var t=e.readUint8();this.reserved=t>>7,this.axis=1&t})),h.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),n.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()))})),h.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={};this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32();var s=e.readUint8();for(i.props=[],r=0;r<s;r++){var n=e.readUint8(),a={};i.props.push(a),a.essential=(128&n)>>7==1,1&this.flags?a.property_index=(127&n)<<8|e.readUint8():a.property_index=127&n}}})),h.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=0===this.version?new h.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new h.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(n.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.references.push(r)}})),h.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),h.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),h.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),h.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={};this.levels[r]=i,i.track_ID=e.readUint32();var s=e.readUint8();switch(i.padding_flag=s>>7,i.assignment_type=127&s,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:n.warn("BoxParser","Unknown leva assignement type")}}})),h.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),h.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),h.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]={},this.display_primaries[0].x=e.readUint16(),this.display_primaries[0].y=e.readUint16(),this.display_primaries[1]={},this.display_primaries[1].x=e.readUint16(),this.display_primaries[1].y=e.readUint16(),this.display_primaries[2]={},this.display_primaries[2].x=e.readUint16(),this.display_primaries[2].y=e.readUint16(),this.white_point={},this.white_point.x=e.readUint16(),this.white_point.y=e.readUint16(),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),h.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()})),h.createFullBoxCtor("mehd",(function(e){1&this.flags&&(n.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()})),h.createFullBoxCtor("meta",(function(e){this.boxes=[],h.ContainerBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),h.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),h.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()})),h.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),h.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),h.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var r=0;r<Math.floor((t+1)/2);r++)this.padbits=e.readUint8()})),h.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),h.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),h.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<t;r++)this.rate[r]=e.readUint32(),this.initial_delay[r]=e.readUint32()})),h.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),h.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),h.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),h.createFullBoxCtor("prft",(function(e){this.ref_track_id=e.readUint32(),this.ntp_timestamp=e.readUint64(),0===this.version?this.media_time=e.readUint32():this.media_time=e.readUint64()})),h.createFullBoxCtor("pssh",(function(e){if(this.system_id=h.parseHex16(e),this.version>0){var t=e.readUint32();this.kid=[];for(var r=0;r<t;r++)this.kid[r]=h.parseHex16(e)}var i=e.readUint32();i>0&&(this.data=e.readUint8Array(i))})),h.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),h.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),h.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var r=0;r<t;r++)0===this.version?this.offset[r]=e.readUint32():this.offset[r]=e.readUint64()})),h.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<t;r++)this.sample_info_size[r]=e.readUint8()})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),h.createSampleGroupCtor("alst",(function(e){var t,r=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<r;t++)this.sample_offset[t]=e.readUint32();var i=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<i/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),h.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),h.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=e.readUint8(),s.layerNumber=e.readUint8(),s.subSequenceIdentifier=e.readUint16()}})),h.createSampleGroupCtor("dtrt",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("mvif",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("prol",(function(e){this.roll_distance=e.readInt16()})),h.createSampleGroupCtor("rap ",(function(e){var t=e.readUint8();this.num_leading_samples_known=t>>7,this.num_leading_samples=127&t})),h.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)n.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=e.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=e.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var t=0;t<this.operation_point_count;t++)this.available_bitrate[t]=e.readUint32(),this.target_rate_share[t]=e.readUint16()}this.maximum_bitrate=e.readUint32(),this.minimum_bitrate=e.readUint32(),this.discard_priority=e.readUint8()}})),h.createSampleGroupCtor("roll",(function(e){this.roll_distance=e.readInt16()})),h.SampleGroupEntry.prototype.parse=function(e){n.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},h.createSampleGroupCtor("scif",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("scnm",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("seig",(function(e){this.reserved=e.readUint8();var t=e.readUint8();this.crypt_byte_block=t>>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=h.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))})),h.createSampleGroupCtor("stsa",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),h.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),h.createSampleGroupCtor("tsas",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("tscl",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("vipr",(function(e){n.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),i.sample_count=e.readInt32(),i.group_description_index=e.readInt32()}})),h.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),h.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("sdtp",(function(e){var t,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var i=0;i<r;i++)t=e.readUint8(),this.is_leading[i]=t>>6,this.sample_depends_on[i]=t>>4&3,this.sample_is_depended_on[i]=t>>2&3,this.sample_has_redundancy[i]=3&t})),h.createFullBoxCtor("senc"),h.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),n.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i;i=h[this.grouping_type+"SampleGroupEntry"]?new h[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new h.SampleGroupEntry(this.grouping_type),this.entries.push(i),1===this.version&&0===this.default_length?i.description_length=e.readUint32():i.description_length=this.default_length,i.write===h.SampleGroupEntry.prototype.write&&(n.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),i.data=e.readUint8Array(i.description_length),e.position-=i.description_length),i.parse(e)}})),h.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),r=0;r<t;r++){var i={};this.references.push(i);var s=e.readUint32();i.reference_type=s>>31&1,i.referenced_size=2147483647&s,i.subsegment_duration=e.readUint32(),s=e.readUint32(),i.starts_with_SAP=s>>31&1,i.SAP_type=s>>28&7,i.SAP_delta_time=268435455&s}})),h.SingleItemTypeReferenceBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBox.prototype=new h.Box,h.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]=e.readUint16()},h.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBoxLarge.prototype=new h.Box,h.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]=e.readUint32()},h.createFullBoxCtor("SmDm",(function(e){this.primaryRChromaticity_x=e.readUint16(),this.primaryRChromaticity_y=e.readUint16(),this.primaryGChromaticity_x=e.readUint16(),this.primaryGChromaticity_y=e.readUint16(),this.primaryBChromaticity_x=e.readUint16(),this.primaryBChromaticity_y=e.readUint16(),this.whitePointChromaticity_x=e.readUint16(),this.whitePointChromaticity_y=e.readUint16(),this.luminanceMax=e.readUint32(),this.luminanceMin=e.readUint32()})),h.createFullBoxCtor("smhd",(function(e){this.balance=e.readUint16(),e.readUint16()})),h.createFullBoxCtor("ssix",(function(e){this.subsegments=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var s=e.readUint32(),n=0;n<s;n++){var a={};i.ranges.push(a),a.level=e.readUint8(),a.range_size=e.readUint24()}}})),h.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())})),h.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<t;r++)this.priority[r]=e.readUint16()})),h.createFullBoxCtor("sthd"),h.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("stsc",(function(e){var t,r;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<t;r++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),h.createFullBoxCtor("stsd",(function(e){var t,r,i,s;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;h[r.type+"SampleEntry"]?((s=new h[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,s.start=r.start):(n.warn("BoxParser","Unknown sample entry type: "+r.type),s=new h.SampleEntry(r.type,r.size,r.hdr_size,r.start)),s.write===h.SampleEntry.prototype.write&&(n.info("BoxParser","SampleEntry "+s.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(e)),s.parse(e),this.entries.push(s)}})),h.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var r=0;r<t;r++)this.group_description_index[r]=e.readUint32()})),h.createFullBoxCtor("stsh",(function(e){var t,r;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<t;r++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stss",(function(e){var t,r;if(r=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),h.createFullBoxCtor("stts",(function(e){var t,r,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),(i=e.readInt32())<0&&(n.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),i=1),this.sample_deltas.push(i)})),h.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,i,s=e.readUint32();for(this.stereo_indication_type=e.readString(s),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;i=r.box,this.boxes.push(i),this[i.type]=i}})),h.createBoxCtor("styp",(function(e){h.ftypBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("stz2",(function(e){var t,r;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),r=e.readUint32(),4===this.field_size)for(t=0;t<r;t+=2){var i=e.readUint8();this.sample_sizes[t]=i>>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint16();else n.error("BoxParser","Error in length field in stz2 box")})),h.createFullBoxCtor("subs",(function(e){var t,r,i,s;for(i=e.readUint32(),this.entries=[],t=0;t<i;t++){var n={};if(this.entries[t]=n,n.sample_delta=e.readUint32(),n.subsamples=[],(s=e.readUint16())>0)for(r=0;r<s;r++){var a={};n.subsamples.push(a),1==this.version?a.size=e.readUint32():a.size=e.readUint16(),a.priority=e.readUint8(),a.discardable=e.readUint8(),a.codec_specific_parameters=e.readUint32()}}})),h.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=h.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))})),h.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),h.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&h.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&h.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&h.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&h.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&h.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),h.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),h.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),h.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),h.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),h.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},h.createTrackGroupCtor("msrc"),h.TrackReferenceTypeBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.TrackReferenceTypeBox.prototype=new h.Box,h.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},h.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=new h.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(n.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.boxes.push(r)}},h.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==h.OK)return;box=ret.box,this.boxes.push(box)}})),h.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),h.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>t)for(var r=0;r<this.sample_count;r++)this.flags&h.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())})),h.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),h.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),h.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),h.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")})),h.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=h.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),h.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),h.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=h.parseHex16(e)})),h.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,s=0;1===this.version?(i=e.readUint64(),s=e.readUint64()):(i=e.readUint32(),s=e.readUint32()),r.absolute_time=i,r.absolute_duration=s,this.entries.push(r)}})),h.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),h.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),h.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),h.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("vvcC",(function(e){var t,r,i={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(i.stream_read_1_bytes(e),i.extract_bits(5),this.lengthSizeMinusOne=i.extract_bits(2),this.ptl_present_flag=i.extract_bits(1),this.ptl_present_flag){if(i.stream_read_2_bytes(e),this.ols_idx=i.extract_bits(9),this.num_sublayers=i.extract_bits(3),this.constant_frame_rate=i.extract_bits(2),this.chroma_format_idc=i.extract_bits(2),i.stream_read_1_bytes(e),this.bit_depth_minus8=i.extract_bits(3),i.extract_bits(5),i.stream_read_2_bytes(e),i.extract_bits(2),this.num_bytes_constraint_info=i.extract_bits(6),this.general_profile_idc=i.extract_bits(7),this.general_tier_flag=i.extract_bits(1),this.general_level_idc=e.readUint8(),i.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=i.extract_bits(1),this.ptl_multilayer_enabled_flag=i.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(t=0;t<this.num_bytes_constraint_info-1;t++){var s=i.extract_bits(6);i.stream_read_1_bytes(e);var n=i.extract_bits(2);this.general_constraint_info[t]=s<<2|n}this.general_constraint_info[this.num_bytes_constraint_info-1]=i.extract_bits(6)}else i.extract_bits(6);for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var a=i.extract_bits(1);this.ptl_sublayer_present_mask|=a<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)i.extract_bits(1);for(r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=e.readUint8());if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var o=e.readUint8();for(t=0;t<o;t++){var d=[];this.nalu_arrays.push(d),i.stream_read_1_bytes(e),d.completeness=i.extract_bits(1),i.extract_bits(2),d.nalu_type=i.extract_bits(5);var l=1;for(13!=d.nalu_type&&12!=d.nalu_type&&(l=e.readUint16()),r=0;r<l;r++){var u=e.readUint16();d.push({data:e.readUint8Array(u),length:u})}}})),h.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),h.SampleEntry.prototype.isVideo=function(){return!1},h.SampleEntry.prototype.isAudio=function(){return!1},h.SampleEntry.prototype.isSubtitle=function(){return!1},h.SampleEntry.prototype.isMetadata=function(){return!1},h.SampleEntry.prototype.isHint=function(){return!1},h.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},h.SampleEntry.prototype.getWidth=function(){return""},h.SampleEntry.prototype.getHeight=function(){return""},h.SampleEntry.prototype.getChannelCount=function(){return""},h.SampleEntry.prototype.getSampleRate=function(){return""},h.SampleEntry.prototype.getSampleSize=function(){return""},h.VisualSampleEntry.prototype.isVideo=function(){return!0},h.VisualSampleEntry.prototype.getWidth=function(){return this.width},h.VisualSampleEntry.prototype.getHeight=function(){return this.height},h.AudioSampleEntry.prototype.isAudio=function(){return!0},h.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},h.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},h.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},h.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},h.MetadataSampleEntry.prototype.isMetadata=function(){return!0},h.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?t=2:t;r.length<t;)r="0"+r;return r},h.avc1SampleEntry.prototype.getCodec=h.avc2SampleEntry.prototype.getCodec=h.avc3SampleEntry.prototype.getCodec=h.avc4SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+h.decimalToHex(this.avcC.AVCProfileIndication)+h.decimalToHex(this.avcC.profile_compatibility)+h.decimalToHex(this.avcC.AVCLevelIndication):e},h.hev1SampleEntry.prototype.getCodec=h.hvc1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var r=this.hvcC.general_profile_compatibility,i=0;for(e=0;e<32&&(i|=1&r,31!=e);e++)i<<=1,r>>=1;t+=h.decimalToHex(i,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var s=!1,n="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||s)&&(n="."+h.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+n,s=!0);t+=n}return t},h.vvc1SampleEntry.prototype.getCodec=h.vvi1SampleEntry.prototype.getCodec=function(){var e,t=h.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,s=[],n=0;for(n|=this.vvcC.ptl_frame_only_constraint<<7,n|=this.vvcC.ptl_multilayer_enabled<<6,e=0;e<this.vvcC.general_constraint_info.length;++e)n|=this.vvcC.general_constraint_info[e]>>2&63,s.push(n),n&&(i=e),n=this.vvcC.general_constraint_info[e]>>2&3;if(void 0===i)r=".CA";else{r=".C";var a="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=0,d=0;for(e=0;e<=i;++e)for(o=o<<8|s[e],d+=8;d>=5;){r+=a[o>>d-5&31],o&=(1<<(d-=5))-1}d&&(r+=a[31&(o<<=5-d)])}}t+=r}return t},h.mp4aSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+h.decimalToHex(t)+(r?"."+r:"")}return e},h.stxtSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},h.vp08SampleEntry.prototype.getCodec=h.vp09SampleEntry.prototype.getCodec=function(){var e=h.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},h.av01SampleEntry.prototype.getCodec=function(){var e,t=h.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},h.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),n.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)},h.FullBox.prototype.writeHeader=function(e){this.size+=4,h.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},h.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))},h.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&(this.boxes[t].write(e),this.size+=this.boxes[t].size);n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},h.avcCBox.prototype.write=function(e){var t;for(this.size=7,t=0;t<this.SPS.length;t++)this.size+=2+this.SPS[t].length;for(t=0;t<this.PPS.length;t++)this.size+=2+this.PPS[t].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.AVCProfileIndication),e.writeUint8(this.profile_compatibility),e.writeUint8(this.AVCLevelIndication),e.writeUint8(this.lengthSizeMinusOne+252),e.writeUint8(this.SPS.length+224),t=0;t<this.SPS.length;t++)e.writeUint16(this.SPS[t].length),e.writeUint8Array(this.SPS[t].nalu);for(e.writeUint8(this.PPS.length),t=0;t<this.PPS.length;t++)e.writeUint16(this.PPS[t].length),e.writeUint8Array(this.PPS[t].nalu);this.ext&&e.writeUint8Array(this.ext)},h.co64Box.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),t=0;t<this.chunk_offsets.length;t++)e.writeUint64(this.chunk_offsets[t])},h.cslgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeInt32(this.compositionToDTSShift),e.writeInt32(this.leastDecodeToDisplayDelta),e.writeInt32(this.greatestDecodeToDisplayDelta),e.writeInt32(this.compositionStartTime),e.writeInt32(this.compositionEndTime)},h.cttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),1===this.version?e.writeInt32(this.sample_offsets[t]):e.writeUint32(this.sample_offsets[t])},h.drefBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},h.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeUint32(r.segment_duration),e.writeInt32(r.media_time),e.writeInt16(r.media_rate_integer),e.writeInt16(r.media_rate_fraction)}},h.emsgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},h.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},h.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},h.kindBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(e),e.writeCString(this.schemeURI),e.writeCString(this.value)},h.mdhdBox.prototype.write=function(e){this.size=20,this.flags=0,this.version=0,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint16(this.language),e.writeUint16(0)},h.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},h.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},h.mvhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=96,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint32(this.rate),e.writeUint16(this.volume<<8),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32Array(this.matrix),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(this.next_track_id)},h.SampleEntry.prototype.writeHeader=function(e){this.size=8,h.Box.prototype.writeHeader.call(this,e),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint16(this.data_reference_index)},h.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e),this.size+=this.boxes[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},h.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},h.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},h.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},h.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeInt32(r.sample_count),e.writeInt32(r.group_description_index)}},h.sgpdBox.prototype.write=function(e){var t,r;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(e),e.writeString(this.grouping_type,null,4),1===this.version&&e.writeUint32(this.default_length),this.version>=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(r.description_length),r.write(e)},h.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var r=this.references[t];e.writeUint32(r.reference_type<<31|r.referenced_size),e.writeUint32(r.subsegment_duration),e.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},h.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},h.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},h.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},h.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;n.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},h.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},h.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(t=0;t+1<this.sample_sizes.length;){if(this.sample_sizes[t+1]!==this.sample_sizes[0]){r=!1;break}t++}else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),r?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),r||e.writeUint32Array(this.sample_sizes)},h.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},h.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},h.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},h.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)},h.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)},h.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&h.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&h.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&h.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&h.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&h.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&h.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},h["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},h["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},h.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},h.cttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].pts=e[i].dts+this.sample_offsets[t],i++},h.sttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].dts=0===i?0:e[i-1].dts+this.sample_deltas[t],i++},h.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},h.stscBox.prototype.unpack=function(e){var t,r,i,s,n;for(s=0,n=0,t=0;t<this.first_chunk.length;t++)for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:1/0);r++)for(n++,i=0;i<this.samples_per_chunk[t];i++){if(!e[s])return;e[s].description_index=this.sample_description_index[t],e[s].chunk_index=n,s++}},h.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},h.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],h.boxEqualFields=function(e,t){if(e&&!t)return!1;var r;for(r in e)if(!(h.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1||e[r]instanceof h.Box||t[r]instanceof h.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||h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},h.boxEqual=function(e,t){if(!h.boxEqualFields(e,t))return!1;for(var r=0;r<h.DIFF_BOXES_PROP_NAMES.length;r++){var i=h.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!h.boxEqual(e[i],t[i]))return!1}return!0};var c=function(){};c.prototype.parseSample=function(e){var t,r={};r.resources=[];var i=new a(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)r.resources[t]=i.readUint8Array(e.subsamples[t].size)}else r.documentString=i.readString(e.data.length);return"undefined"!=typeof DOMParser&&(r.document=(new DOMParser).parseFromString(r.documentString,"application/xml")),r};var f=function(){};f.prototype.parseSample=function(e){return new a(e.data.buffer).readString(e.data.length)},f.prototype.parseConfig=function(e){var t=new a(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=c,t.Textin4Parser=f;var p=function(e){this.stream=e||new l,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};p.prototype.setSegmentOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var s={};this.fragmentedTracks.push(s),s.id=e,s.user=t,s.trak=i,i.nextSample=0,s.segmentStream=null,s.nb_samples=1e3,s.rapAlignement=!0,r&&(r.nbSamples&&(s.nb_samples=r.nbSamples),r.rapAlignement&&(s.rapAlignement=r.rapAlignement))}},p.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++){this.fragmentedTracks[r].id==e&&(t=r)}t>-1&&this.fragmentedTracks.splice(t,1)},p.prototype.setExtractionOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var s={};this.extractedTracks.push(s),s.id=e,s.user=t,s.trak=i,i.nextSample=0,s.nb_samples=1e3,s.samples=[],r&&r.nbSamples&&(s.nb_samples=r.nbSamples)}},p.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++){this.extractedTracks[r].id==e&&(t=r)}t>-1&&this.extractedTracks.splice(t,1)},p.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=h.parseOneBox(this.stream,false)).code===h.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]&&n.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},p.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?(n.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(n.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(n.warn("ISOFile","Not ready to start parsing"),!1))},p.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&&(n.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),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},p.prototype.getInfo=function(){var e,t,r,i,s,n,a={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(a.hasMoov=!0,a.duration=this.moov.mvhd.duration,a.timescale=this.moov.mvhd.timescale,a.isFragmented=null!=this.moov.mvex,a.isFragmented&&this.moov.mvex.mehd&&(a.fragment_duration=this.moov.mvex.mehd.fragment_duration),a.isProgressive=this.isProgressive,a.hasIOD=null!=this.moov.iods,a.brands=[],a.brands.push(this.ftyp.major_brand),a.brands=a.brands.concat(this.ftyp.compatible_brands),a.created=new Date(o+1e3*this.moov.mvhd.creation_time),a.modified=new Date(o+1e3*this.moov.mvhd.modification_time),a.tracks=[],a.audioTracks=[],a.videoTracks=[],a.subtitleTracks=[],a.metadataTracks=[],a.hintTracks=[],a.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(n=(r=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],i={},a.tracks.push(i),i.id=r.tkhd.track_id,i.name=r.mdia.hdlr.name,i.references=[],r.tref)for(t=0;t<r.tref.boxes.length;t++)s={},i.references.push(s),s.type=r.tref.boxes[t].type,s.track_ids=r.tref.boxes[t].track_ids;r.edts&&(i.edits=r.edts.elst.entries),i.created=new Date(o+1e3*r.tkhd.creation_time),i.modified=new Date(o+1e3*r.tkhd.modification_time),i.movie_duration=r.tkhd.duration,i.movie_timescale=a.timescale,i.layer=r.tkhd.layer,i.alternate_group=r.tkhd.alternate_group,i.volume=r.tkhd.volume,i.matrix=r.tkhd.matrix,i.track_width=r.tkhd.width/65536,i.track_height=r.tkhd.height/65536,i.timescale=r.mdia.mdhd.timescale,i.cts_shift=r.mdia.minf.stbl.cslg,i.duration=r.mdia.mdhd.duration,i.samples_duration=r.samples_duration,i.codec=n.getCodec(),i.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},i.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,i.nb_samples=r.samples.length,i.size=r.samples_size,i.bitrate=8*i.size*i.timescale/i.samples_duration,n.isAudio()?(i.type="audio",a.audioTracks.push(i),i.audio={},i.audio.sample_rate=n.getSampleRate(),i.audio.channel_count=n.getChannelCount(),i.audio.sample_size=n.getSampleSize()):n.isVideo()?(i.type="video",a.videoTracks.push(i),i.video={},i.video.width=n.getWidth(),i.video.height=n.getHeight()):n.isSubtitle()?(i.type="subtitles",a.subtitleTracks.push(i)):n.isHint()?(i.type="metadata",a.hintTracks.push(i)):n.isMetadata()?(i.type="metadata",a.metadataTracks.push(i)):(i.type="metadata",a.otherTracks.push(i))}else a.hasMoov=!1;if(a.mime="",a.hasMoov&&a.tracks){for(a.videoTracks&&a.videoTracks.length>0?a.mime+='video/mp4; codecs="':a.audioTracks&&a.audioTracks.length>0?a.mime+='audio/mp4; codecs="':a.mime+='application/mp4; codecs="',e=0;e<a.tracks.length;e++)0!==e&&(a.mime+=","),a.mime+=a.tracks[e].codec;a.mime+='"; profiles="',a.mime+=this.ftyp.compatible_brands.join(),a.mime+='"'}return a},p.prototype.processSamples=function(e){var t,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var i=this.fragmentedTracks[t];for(r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var s=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!s)break;if(i.segmentStream=s,r.nextSample++,(r.nextSample%i.nb_samples==0||e||r.nextSample>=r.samples.length)&&(n.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),n.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var a=this.extractedTracks[t];for(r=a.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){n.debug("ISOFile","Exporting on track #"+a.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o)break;if(r.nextSample++,a.samples.push(o),(r.nextSample%a.nb_samples==0||r.nextSample>=r.samples.length)&&(n.debug("ISOFile","Sending samples on track #"+a.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(a.id,a.user,a.samples),a.samples=[],a!==this.extractedTracks[t]))break}}}},p.prototype.getBox=function(e){var t=this.getBoxes(e,!0);return t.length?t[0]:null},p.prototype.getBoxes=function(e,t){var r=[];return p._sweep.call(this,e,r,t),r},p._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;p._sweep.call(this.boxes[i],e,t,r)}},p.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},p.prototype.getTrackSample=function(e,t){var r=this.getTrackById(e);return this.getSample(r,t)},p.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var s=i.lastValidSample;s<t;s++)r+=this.releaseSample(i,s);n.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},p.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},p.prototype.stop=function(){this.sampleProcessingStarted=!1},p.prototype.flush=function(){n.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},p.prototype.seekTrack=function(e,t,r){var i,s,a,o,d=0,l=0;if(0===r.samples.length)return n.info("ISOFile","No sample in track, cannot seek! Using time "+n.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(s=r.samples[i],0===i)l=0,o=s.timescale;else if(s.cts>e*s.timescale){l=i-1;break}t&&s.is_sync&&(d=i)}for(t&&(l=d),e=r.samples[l].cts,r.nextSample=l;r.samples[l].alreadyRead===r.samples[l].size&&r.samples[l+1];)l++;return a=r.samples[l].offset+r.samples[l].alreadyRead,n.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+n.getDurationString(e,o)+" and offset: "+a),{offset:a,time:e/o}},p.prototype.seek=function(e,t){var r,i,s,a=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(s=0;s<a.traks.length;s++)r=a.traks[s],(i=this.seekTrack(e,t,r)).offset<o.offset&&(o.offset=i.offset),i.time<o.time&&(o.time=i.time);return n.info("ISOFile","Seeking at time "+n.getDurationString(o.time,1)+" needs a buffer with a fileStart position of "+o.offset),o.offset===1/0?o={offset:this.nextParsePosition,time:0}:o.offset=this.stream.getEndFilePositionAfter(o.offset),n.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+o.offset),o}throw"Cannot seek: moov not received!"},p.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var r=this.boxes[t],i=e.boxes[t];if(!h.boxEqual(r,i))return!1;t++}return!0},t.ISOFile=p,p.prototype.lastBoxStartPosition=0,p.prototype.parsingMdat=null,p.prototype.nextParsePosition=0,p.prototype.discardMdatData=!1,p.prototype.processIncompleteBox=function(e){var t;return"mdat"===e.type?(t=new h[e.type+"Box"](e.size),this.parsingMdat=t,this.boxes.push(t),this.mdats.push(t),t.start=e.start,t.hdr_size=e.hdr_size,this.stream.addUsedBytes(t.hdr_size),this.lastBoxStartPosition=t.start+t.size,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=t.start+t.size,!1)):("moov"===e.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(e.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+e.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},p.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},p.prototype.processIncompleteMdat=function(){var e;return e=this.parsingMdat,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(n.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},p.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},p.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},p.prototype.updateUsedBytes=function(e,t){this.stream.addUsedBytes&&("mdat"===e.type?(this.stream.addUsedBytes(e.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(e.size-e.hdr_size)):this.stream.addUsedBytes(e.size))},p.prototype.add=h.Box.prototype.add,p.prototype.addBox=h.Box.prototype.addBox,p.prototype.init=function(e){var t=e||{};this.add("ftyp").set("major_brand",t.brands&&t.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",t.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",t.timescale||600).set("rate",t.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",t.duration||0).set("volume",t.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},p.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{};t.width=t.width||320,t.height=t.height||320,t.id=t.id||this.moov.mvhd.next_track_id,t.type=t.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,r.add("tkhd").set("flags",h.TKHD_FLAG_ENABLED|h.TKHD_FLAG_IN_MOVIE|h.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var i=r.add("mdia");i.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),i.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),i.add("elng").set("extended_language",t.language||"fr-FR");var s=i.add("minf");if(void 0!==h[t.type+"SampleEntry"]){var n=new h[t.type+"SampleEntry"];n.data_reference_index=1;var o="";for(var d in h.sampleEntryCodes)for(var l=h.sampleEntryCodes[d],u=0;u<l.length;u++)if(l.indexOf(t.type)>-1){o=d;break}switch(o){case"Visual":if(s.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),n.set("width",t.width).set("height",t.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",t.type+" Compressor").set("depth",24),t.avcDecoderConfigRecord){var c=new h.avcCBox,f=new a(t.avcDecoderConfigRecord);c.parse(f),n.addBox(c)}break;case"Audio":s.add("smhd").set("balance",t.balance||0),n.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":s.add("hmhd");break;case"Subtitle":if(s.add("sthd"),"stpp"===t.type)n.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:s.add("nmhd")}t.description&&n.addBox(t.description),t.description_boxes&&t.description_boxes.forEach((function(e){n.addBox(e)})),s.add("dinf").add("dref").addEntry((new h["url Box"]).set("flags",1));var p=s.add("stbl");return p.add("stsd").addEntry(n),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}},h.Box.prototype.computeSize=function(e){var t=e||new o;t.endianness=o.BIG_ENDIAN,this.write(t)},p.prototype.addSample=function(e,t,r){var i=r||{},s={},n=this.getTrackById(e);if(null!==n){s.number=n.samples.length,s.track_id=n.tkhd.track_id,s.timescale=n.mdia.mdhd.timescale,s.description_index=i.sample_description_index?i.sample_description_index-1:0,s.description=n.mdia.minf.stbl.stsd.entries[s.description_index],s.data=t,s.size=t.byteLength,s.alreadyRead=s.size,s.duration=i.duration||1,s.cts=i.cts||0,s.dts=i.dts||0,s.is_sync=i.is_sync||!1,s.is_leading=i.is_leading||0,s.depends_on=i.depends_on||0,s.is_depended_on=i.is_depended_on||0,s.has_redundancy=i.has_redundancy||0,s.degradation_priority=i.degradation_priority||0,s.offset=0,s.subsamples=i.subsamples,n.samples.push(s),n.samples_size+=s.size,n.samples_duration+=s.duration,n.first_dts||(n.first_dts=i.dts),this.processSamples();var a=this.createSingleSampleMoof(s);return this.addBox(a),a.computeSize(),a.trafs[0].truns[0].data_offset=a.size+8,this.add("mdat").data=new Uint8Array(t),s}},p.prototype.createSingleSampleMoof=function(e){var t=0;t=e.is_sync?1<<25:65536;var r=new h.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=r.add("traf"),s=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(s.first_dts||0)),i.add("trun").set("flags",h.TRUN_FLAGS_DATA_OFFSET|h.TRUN_FLAGS_DURATION|h.TRUN_FLAGS_SIZE|h.TRUN_FLAGS_FLAGS|h.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},p.prototype.lastMoofIndex=0,p.prototype.samplesDataSize=0,p.prototype.resetTables=function(){var e,t,r,i,s,n;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,e=0;e<this.moov.traks.length;e++){(t=this.moov.traks[e]).tkhd.duration=0,t.mdia.mdhd.duration=0,(t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64).chunk_offsets=[],(r=t.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2).sample_sizes=[],(i=t.mdia.minf.stbl.stts).sample_counts=[],i.sample_deltas=[],(s=t.mdia.minf.stbl.ctts)&&(s.sample_counts=[],s.sample_offsets=[]),n=t.mdia.minf.stbl.stss;var a=t.mdia.minf.stbl.boxes.indexOf(n);-1!=a&&(t.mdia.minf.stbl.boxes[a]=null)}},p.initSampleGroups=function(e,t,r,i,s){var n,a,o,d;function l(e,t,r){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(t&&(t.sample_groups_info=[]),e.sample_groups_info||(e.sample_groups_info=[]),a=0;a<r.length;a++){for(d=r[a].grouping_type+"/"+r[a].grouping_type_parameter,o=new l(r[a].grouping_type,r[a].grouping_type_parameter,r[a]),t&&(t.sample_groups_info[d]=o),e.sample_groups_info[d]||(e.sample_groups_info[d]=o),n=0;n<i.length;n++)i[n].grouping_type===r[a].grouping_type&&(o.description=i[n],o.description.used=!0);if(s)for(n=0;n<s.length;n++)s[n].grouping_type===r[a].grouping_type&&(o.fragment_description=s[n],o.fragment_description.used=!0,o.is_fragment=!0)}if(t){if(s)for(a=0;a<s.length;a++)!s[a].used&&s[a].version>=2&&(d=s[a].grouping_type+"/0",(o=new l(s[a].grouping_type,0)).is_fragment=!0,t.sample_groups_info[d]||(t.sample_groups_info[d]=o))}else for(a=0;a<i.length;a++)!i[a].used&&i[a].version>=2&&(d=i[a].grouping_type+"/0",o=new l(i[a].grouping_type,0),e.sample_groups_info[d]||(e.sample_groups_info[d]=o))},p.setSampleGroupProperties=function(e,t,r,i){var s,n;for(s in t.sample_groups=[],i){var a;if(t.sample_groups[s]={},t.sample_groups[s].grouping_type=i[s].grouping_type,t.sample_groups[s].grouping_type_parameter=i[s].grouping_type_parameter,r>=i[s].last_sample_in_run&&(i[s].last_sample_in_run<0&&(i[s].last_sample_in_run=0),i[s].entry_index++,i[s].entry_index<=i[s].sbgp.entries.length-1&&(i[s].last_sample_in_run+=i[s].sbgp.entries[i[s].entry_index].sample_count)),i[s].entry_index<=i[s].sbgp.entries.length-1?t.sample_groups[s].group_description_index=i[s].sbgp.entries[i[s].entry_index].group_description_index:t.sample_groups[s].group_description_index=-1,0!==t.sample_groups[s].group_description_index)a=i[s].fragment_description?i[s].fragment_description:i[s].description,t.sample_groups[s].group_description_index>0?(n=t.sample_groups[s].group_description_index>65535?(t.sample_groups[s].group_description_index>>16)-1:t.sample_groups[s].group_description_index-1,a&&n>=0&&(t.sample_groups[s].description=a.entries[n])):a&&a.version>=2&&a.default_group_description_index>0&&(t.sample_groups[s].description=a.entries[a.default_group_description_index-1])}},p.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))},p.prototype.buildSampleLists=function(){var e,t;for(e=0;e<this.moov.traks.length;e++)t=this.moov.traks[e],this.buildTrakSampleLists(t)},p.prototype.buildTrakSampleLists=function(e){var t,r,i,s,n,a,o,d,l,u,h,c,f,m,_,g,y,b,v,w,S,E,U,x;if(e.samples=[],e.samples_duration=0,e.samples_size=0,r=e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64,i=e.mdia.minf.stbl.stsc,s=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,n=e.mdia.minf.stbl.stts,a=e.mdia.minf.stbl.ctts,o=e.mdia.minf.stbl.stss,d=e.mdia.minf.stbl.stsd,l=e.mdia.minf.stbl.subs,c=e.mdia.minf.stbl.stdp,u=e.mdia.minf.stbl.sbgps,h=e.mdia.minf.stbl.sgpds,b=-1,v=-1,w=-1,S=-1,E=0,U=0,x=0,p.initSampleGroups(e,null,u,h),void 0!==s){for(t=0;t<s.sample_sizes.length;t++){var A={};A.number=t,A.track_id=e.tkhd.track_id,A.timescale=e.mdia.mdhd.timescale,A.alreadyRead=0,e.samples[t]=A,A.size=s.sample_sizes[t],e.samples_size+=A.size,0===t?(m=1,f=0,A.chunk_index=m,A.chunk_run_index=f,y=i.samples_per_chunk[f],g=0,_=f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0):t<y?(A.chunk_index=m,A.chunk_run_index=f):(m++,A.chunk_index=m,g=0,m<=_||(_=++f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0),A.chunk_run_index=f,y+=i.samples_per_chunk[f]),A.description_index=i.sample_description_index[A.chunk_run_index]-1,A.description=d.entries[A.description_index],A.offset=r.chunk_offsets[A.chunk_index-1]+g,g+=A.size,t>b&&(v++,b<0&&(b=0),b+=n.sample_counts[v]),t>0?(e.samples[t-1].duration=n.sample_deltas[v],e.samples_duration+=e.samples[t-1].duration,A.dts=e.samples[t-1].dts+e.samples[t-1].duration):A.dts=0,a?(t>=w&&(S++,w<0&&(w=0),w+=a.sample_counts[S]),A.cts=e.samples[t].dts+a.sample_offsets[S]):A.cts=A.dts,o?(t==o.sample_numbers[E]-1?(A.is_sync=!0,E++):(A.is_sync=!1,A.degradation_priority=0),l&&l.entries[U].sample_delta+x==t+1&&(A.subsamples=l.entries[U].subsamples,x+=l.entries[U].sample_delta,U++)):A.is_sync=!0,p.process_sdtp(e.mdia.minf.stbl.sdtp,A,A.number),A.degradation_priority=c?c.priority[t]:0,l&&l.entries[U].sample_delta+x==t&&(A.subsamples=l.entries[U].subsamples,x+=l.entries[U].sample_delta),(u.length>0||h.length>0)&&p.setSampleGroupProperties(e,A,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)}},p.prototype.updateSampleLists=function(){var e,t,r,i,s,n,a,o,d,l,u,c,f,m,_;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(d=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==d.type)for(l=d,e=0;e<l.trafs.length;e++){for(u=l.trafs[e],c=this.getTrackById(u.tfhd.track_id),f=this.getTrexById(u.tfhd.track_id),i=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:f?f.default_sample_description_index:1,s=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:f?f.default_sample_duration:0,n=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:f?f.default_sample_size:0,a=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_FLAGS?u.tfhd.default_sample_flags:f?f.default_sample_flags:0,u.sample_number=0,u.sbgps.length>0&&p.initSampleGroups(c,u,u.sbgps,c.mdia.minf.stbl.sgpds,u.sgpds),t=0;t<u.truns.length;t++){var g=u.truns[t];for(r=0;r<g.sample_count;r++){(m={}).moof_number=this.lastMoofIndex,m.number_in_traf=u.sample_number,u.sample_number++,m.number=c.samples.length,u.first_sample_index=c.samples.length,c.samples.push(m),m.track_id=c.tkhd.track_id,m.timescale=c.mdia.mdhd.timescale,m.description_index=i-1,m.description=c.mdia.minf.stbl.stsd.entries[m.description_index],m.size=n,g.flags&h.TRUN_FLAGS_SIZE&&(m.size=g.sample_size[r]),c.samples_size+=m.size,m.duration=s,g.flags&h.TRUN_FLAGS_DURATION&&(m.duration=g.sample_duration[r]),c.samples_duration+=m.duration,c.first_traf_merged||r>0?m.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration:(u.tfdt?m.dts=u.tfdt.baseMediaDecodeTime:m.dts=0,c.first_traf_merged=!0),m.cts=m.dts,g.flags&h.TRUN_FLAGS_CTS_OFFSET&&(m.cts=m.dts+g.sample_composition_time_offset[r]),_=a,g.flags&h.TRUN_FLAGS_FLAGS?_=g.sample_flags[r]:0===r&&g.flags&h.TRUN_FLAGS_FIRST_FLAG&&(_=g.first_sample_flags),m.is_sync=!(_>>16&1),m.is_leading=_>>26&3,m.depends_on=_>>24&3,m.is_depended_on=_>>22&3,m.has_redundancy=_>>20&3,m.degradation_priority=65535&_;var y=!!(u.tfhd.flags&h.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(u.tfhd.flags&h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(g.flags&h.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?u.tfhd.base_data_offset:b||0===t?l.start:o,m.offset=0===t&&0===r?v?w+g.data_offset:w:o,o=m.offset+m.size,(u.sbgps.length>0||u.sgpds.length>0||c.mdia.minf.stbl.sbgps.length>0||c.mdia.minf.stbl.sgpds.length>0)&&p.setSampleGroupProperties(c,m,m.number_in_traf,u.sample_groups_info)}}if(u.subs){c.has_fragment_subsamples=!0;var S=u.first_sample_index;for(t=0;t<u.subs.entries.length;t++)S+=u.subs.entries[t].sample_delta,(m=c.samples[S-1]).subsamples=u.subs.entries[t].subsamples}}},p.prototype.getSample=function(e,t){var r,i=e.samples[t];if(!this.moov)return null;if(i.data){if(i.alreadyRead==i.size)return i}else i.data=new Uint8Array(i.size),i.alreadyRead=0,this.samplesDataSize+=i.size,n.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+i.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(s>-1))return null;var a=(r=this.stream.buffers[s]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=a)return n.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+")"),o.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===a)return null;n.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+a+" full size: "+i.size+")"),o.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,a),i.alreadyRead+=a,r.usedBytes+=a,this.stream.logBufferLevel()}},p.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},p.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},p.prototype.getCodecs=function(){var e,t="";for(e=0;e<this.moov.traks.length;e++){e>0&&(t+=","),t+=this.moov.traks[e].mdia.minf.stbl.stsd.entries[0].getCodec()}return t},p.prototype.getTrexById=function(e){var t;if(!this.moov||!this.moov.mvex)return null;for(t=0;t<this.moov.mvex.trexs.length;t++){var r=this.moov.mvex.trexs[t];if(r.track_id==e)return r}return null},p.prototype.getTrackById=function(e){if(void 0===this.moov)return null;for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null},p.prototype.items=[],p.prototype.itemsDataSize=0,p.prototype.flattenItemInfo=function(){var e,t,r,i=this.items,s=this.meta;if(null!=s&&void 0!==s.hdlr&&void 0!==s.iinf){for(e=0;e<s.iinf.item_infos.length;e++)(r={}).id=s.iinf.item_infos[e].item_ID,i[r.id]=r,r.ref_to=[],r.name=s.iinf.item_infos[e].item_name,s.iinf.item_infos[e].protection_index>0&&(r.protection=s.ipro.protections[s.iinf.item_infos[e].protection_index-1]),s.iinf.item_infos[e].item_type?r.type=s.iinf.item_infos[e].item_type:r.type="mime",r.content_type=s.iinf.item_infos[e].content_type,r.content_encoding=s.iinf.item_infos[e].content_encoding;if(s.iloc)for(e=0;e<s.iloc.items.length;e++){var a=s.iloc.items[e];switch(r=i[a.item_ID],0!==a.data_reference_index&&(n.warn("Item storage with reference to other files: not supported"),r.source=s.dinf.boxes[a.data_reference_index-1]),a.construction_method){case 0:break;case 1:case 2:n.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,t=0;t<a.extents.length;t++)r.extents[t]={},r.extents[t].offset=a.extents[t].extent_offset+a.base_offset,r.extents[t].length=a.extents[t].extent_length,r.extents[t].alreadyRead=0,r.size+=r.extents[t].length}if(s.pitm&&(i[s.pitm.item_id].primary=!0),s.iref)for(e=0;e<s.iref.references.length;e++){var o=s.iref.references[e];for(t=0;t<o.references.length;t++)i[o.from_item_ID].ref_to.push({type:o.type,id:o.references[t]})}if(s.iprp)for(var d=0;d<s.iprp.ipmas.length;d++){var l=s.iprp.ipmas[d];for(e=0;e<l.associations.length;e++){var u=l.associations[e];for(void 0===(r=i[u.id]).properties&&(r.properties={},r.properties.boxes=[]),t=0;t<u.props.length;t++){var h=u.props[t];if(h.property_index>0&&h.property_index-1<s.iprp.ipco.boxes.length){var c=s.iprp.ipco.boxes[h.property_index-1];r.properties[c.type]=c,r.properties.boxes.push(c)}}}}}},p.prototype.getItem=function(e){var t,r;if(!this.meta)return null;if(!(r=this.items[e]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,n.debug("ISOFile","Allocating item #"+e+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var i=0;i<r.extents.length;i++){var s=r.extents[i];if(s.alreadyRead!==s.length){var a=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(a>-1))return null;var d=(t=this.stream.buffers[a]).byteLength-(s.offset+s.alreadyRead-t.fileStart);if(!(s.length-s.alreadyRead<=d))return n.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+d+" full extent size: "+s.length+" full item size: "+r.size+")"),o.memcpy(r.data.buffer,r.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,d),s.alreadyRead+=d,r.alreadyRead+=d,t.usedBytes+=d,this.stream.logBufferLevel(),null;n.debug("ISOFile","Getting item #"+e+" extent #"+i+" data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+(s.length-s.alreadyRead)+" full extent size: "+s.length+" full item size: "+r.size+")"),o.memcpy(r.data.buffer,r.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,s.length-s.alreadyRead),t.usedBytes+=s.length-s.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=s.length-s.alreadyRead,s.alreadyRead=s.length}}return r.alreadyRead===r.size?r:null},p.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null,t.alreadyRead=0;for(var r=0;r<t.extents.length;r++){t.extents[r].alreadyRead=0}return t.size}return 0},p.prototype.processItems=function(e){for(var t in this.items){var r=this.items[t];this.getItem(r.id),e&&!r.sent&&(e(r),r.sent=!0,r.data=null)}},p.prototype.hasItem=function(e){for(var t in this.items){var r=this.items[t];if(r.name===e)return r.id}return-1},p.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},p.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},p.prototype.itemToFragmentedTrackFile=function(e){var t=e||{},r=null;if(null==(r=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var i=new p;i.discardMdatData=!1;var s={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(s.width=r.properties.ispe.image_width,s.height=r.properties.ispe.image_height);var n=i.addTrack(s);return n?(i.addSample(n,r.data),i):null},p.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},p.prototype.createFragment=function(e,t,r){var i=this.getTrackById(e),s=this.getSample(i,t);if(null==s)return s=i.samples[t],this.nextSeekPosition?this.nextSeekPosition=Math.min(s.offset+s.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=i.samples[t].offset+s.alreadyRead,null;var a=r||new o;a.endianness=o.BIG_ENDIAN;var d=this.createSingleSampleMoof(s);d.write(a),d.trafs[0].truns[0].data_offset=d.size+8,n.debug("MP4Box","Adjusting data_offset with new value "+d.trafs[0].truns[0].data_offset),a.adjustUint32(d.trafs[0].truns[0].data_offset_position,d.trafs[0].truns[0].data_offset);var l=new h.mdatBox;return l.data=s.data,l.write(a),a},p.writeInitializationSegment=function(e,t,r,i){var s;n.debug("ISOFile","Generating initialization segment");var a=new o;a.endianness=o.BIG_ENDIAN,e.write(a);var d=t.add("mvex");for(r&&d.add("mehd").set("fragment_duration",r),s=0;s<t.traks.length;s++)d.add("trex").set("track_id",t.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",i).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(a),a.buffer},p.prototype.save=function(e){var t=new o;t.endianness=o.BIG_ENDIAN,this.write(t),t.save(e)},p.prototype.getBuffer=function(){var e=new o;return e.endianness=o.BIG_ENDIAN,this.write(e),e.buffer},p.prototype.initializeSegmentation=function(){var e,t,r,i;for(null===this.onSegment&&n.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var s=new h.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),r=this.getTrackById(this.fragmentedTracks[e].id),s.boxes.push(r),s.traks.push(r),(i={}).id=r.tkhd.track_id,i.user=this.fragmentedTracks[e].user,i.buffer=p.writeInitializationSegment(this.ftyp,s,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[e].samples.length>0?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},h.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)},h.FullBox.prototype.printHeader=function(e){this.size+=4,h.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},h.Box.prototype.print=function(e){this.printHeader(e)},h.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t<this.boxes.length;t++)if(this.boxes[t]){var r=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=r}},p.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},h.mvhdBox.prototype.print=function(e){h.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"rate: "+this.rate),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},h.tkhdBox.prototype.print=function(e){h.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(", ")),e.log(e.indent+"layer: "+this.layer),e.log(e.indent+"alternate_group: "+this.alternate_group),e.log(e.indent+"width: "+this.width),e.log(e.indent+"height: "+this.height)};var m={createFile:function(e,t){var r=void 0===e||e,i=new p(t);return i.discardMdatData=!r,i}};t.createFile=m.createFile}));function br(e){return e.reduce(((e,t)=>256*e+t))}function vr(e){const t=[101,103,119,99],r=e.length-28,i=e.slice(r,r+t.length);return t.every(((e,t)=>e===i[t]))}yr.Log,yr.MP4BoxStream,yr.DataStream,yr.MultiBufferStream,yr.MPEG4DescriptorParser,yr.BoxParser,yr.XMLSubtitlein4Parser,yr.Textin4Parser,yr.ISOFile,yr.createFile;class wr{constructor(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=new Uint8Array([30,158,90,33,244,57,83,165,2,70,35,87,215,231,226,108]),this.t=this.n.slice().reverse()}destroy(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=null,this.t=null}transport(e){if(!this.s&&this.l>50)return e;if(this.l++,this.d)return e;const t=new Uint8Array(e);if(this.A){if(!(this.c<this.u))return this.a&&this.s?(this.a.set(t,this.r),this.s.parse(null,this.r,t.byteLength),this.a.slice(this.r,this.r+t.byteLength)):(console.error("video_error_2"),this.d=!0,e);vr(t)&&this.c++}else{const r=function(e,t){const r=function(e,t){for(let r=0;r<e.byteLength-t.length;r++)for(let i=0;i<t.length&&e[r+i]===t[i];i++)if(i===t.length-1)return r;return null}(e,t);if(r){const t=br(e.slice(r+16,r+16+8));return[t,br(e.slice(r+24,r+24+8)),function(e){return e.map((e=>~e))}(e.slice(r+32,r+32+t))]}return null}(t,this.t);if(!r)return e;const i=function(e){try{if("object"!=typeof WebAssembly||"function"!=typeof WebAssembly.instantiate)throw null;{const e=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(!(e instanceof WebAssembly.Module&&new WebAssembly.Instance(e)instanceof WebAssembly.Instance))throw null}}catch(e){return new Error("video_error_4")}let t;try{t={env:{__handle_stack_overflow:()=>e(new Error("video_error_1")),memory:new WebAssembly.Memory({initial:256,maximum:256})}}}catch(e){return new Error("video_error_5")}return t}(e);if(i instanceof Error)return console.error(i.message),this.d=!0,e;this.A=!0,this.u=r[1],vr(t)&&this.c++,WebAssembly.instantiate(r[2],i).then((e=>{if("function"!=typeof(t=e.instance.exports).parse||"object"!=typeof t.memory)return this.d=!0,void console.error("video_error_3");var t;this.s=e.instance.exports,this.a=new Uint8Array(this.s.memory.buffer)})).catch((e=>{this.d=!0,console.error("video_error_6")}))}return e}}const Sr=0,Er=32,Ur=16,xr=[214,144,233,254,204,225,61,183,22,182,20,194,40,251,44,5,43,103,154,118,42,190,4,195,170,68,19,38,73,134,6,153,156,66,80,244,145,239,152,122,51,84,11,67,237,207,172,98,228,179,28,169,201,8,232,149,128,223,148,250,117,143,63,166,71,7,167,252,243,115,23,186,131,89,60,25,230,133,79,168,104,107,129,178,113,100,218,139,248,235,15,75,112,86,157,53,30,36,14,94,99,88,209,162,37,34,124,59,1,33,120,135,212,0,70,87,159,211,39,82,76,54,2,231,160,196,200,158,234,191,138,210,64,199,56,181,163,247,242,206,249,97,21,161,224,174,93,164,155,52,26,85,173,147,50,48,245,140,177,227,29,246,226,46,130,102,202,96,192,41,35,171,13,83,78,111,213,219,55,69,222,253,142,47,3,255,106,114,109,108,91,81,141,27,175,146,187,221,188,127,17,217,92,65,31,16,90,216,10,193,49,136,165,205,123,189,45,116,208,18,184,229,180,176,137,105,151,74,12,150,119,126,101,185,241,9,197,110,198,132,24,240,125,236,58,220,77,32,121,238,95,62,215,203,57,72],Ar=[462357,472066609,943670861,1415275113,1886879365,2358483617,2830087869,3301692121,3773296373,4228057617,404694573,876298825,1347903077,1819507329,2291111581,2762715833,3234320085,3705924337,4177462797,337322537,808926789,1280531041,1752135293,2223739545,2695343797,3166948049,3638552301,4110090761,269950501,741554753,1213159005,1684763257];function 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invalid");if("string"==typeof t&&(t=Br(t)),16!==t.length)throw new Error("key is invalid");if(e="string"==typeof e?r!==Sr?function(e){const t=[];for(let r=0,i=e.length;r<i;r++){const i=e.codePointAt(r);if(i<=127)t.push(i);else if(i<=2047)t.push(192|i>>>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}(e):Br(e):[...e],("pkcs#5"===i||"pkcs#7"===i)&&r!==Sr){const t=Ur-e.length%Ur;for(let r=0;r<t;r++)e.push(t)}const o=new Array(Er);!function(e,t,r){const i=new Array(4),s=new Array(4);for(let t=0;t<4;t++)s[0]=255&e[0+4*t],s[1]=255&e[1+4*t],s[2]=255&e[2+4*t],s[3]=255&e[3+4*t],i[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];i[0]^=2746333894,i[1]^=1453994832,i[2]^=1736282519,i[3]^=2993693404;for(let e,r=0;r<32;r+=4)e=i[1]^i[2]^i[3]^Ar[r+0],t[r+0]=i[0]^=Dr(Tr(e)),e=i[2]^i[3]^i[0]^Ar[r+1],t[r+1]=i[1]^=Dr(Tr(e)),e=i[3]^i[0]^i[1]^Ar[r+2],t[r+2]=i[2]^=Dr(Tr(e)),e=i[0]^i[1]^i[2]^Ar[r+3],t[r+3]=i[3]^=Dr(Tr(e));if(r===Sr)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}(t,o,r);const d=[];let l=n,u=e.length,h=0;for(;u>=Ur;){const t=e.slice(h,h+16),i=new Array(16);if("cbc"===s)for(let e=0;e<Ur;e++)r!==Sr&&(t[e]^=l[e]);Fr(t,i,o);for(let e=0;e<Ur;e++)"cbc"===s&&r===Sr&&(i[e]^=l[e]),d[h+e]=i[e];"cbc"===s&&(l=r!==Sr?i:t),u-=Ur,h+=Ur}if(("pkcs#5"===i||"pkcs#7"===i)&&r===Sr){const e=d.length,t=d[e-1];for(let r=1;r<=t;r++)if(d[e-r]!==t)throw new Error("padding is invalid");d.splice(e-t,t)}return"array"!==a?r!==Sr?d.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join(""):function(e){const t=[];for(let r=0,i=e.length;r<i;r++)e[r]>=240&&e[r]<=247?(t.push(String.fromCodePoint(((7&e[r])<<18)+((63&e[r+1])<<12)+((63&e[r+2])<<6)+(63&e[r+3]))),r+=3):e[r]>=224&&e[r]<=239?(t.push(String.fromCodePoint(((15&e[r])<<12)+((63&e[r+1])<<6)+(63&e[r+2]))),r+=2):e[r]>=192&&e[r]<=223?(t.push(String.fromCodePoint(((31&e[r])<<6)+(63&e[r+1]))),r++):t.push(String.fromCodePoint(e[r]));return t.join("")}(d):d}class Pr{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 s(...n){i.off(e,s),t.apply(r,n)}return s._=t,this.on(e,s,r)}emit(e,...t){const r=((this.e||(this.e={}))[e]||[]).slice();for(let e=0;e<r.length;e+=1)r[e].fn.apply(r[e].ctx,t);return this}off(e,t){const r=this.e||(this.e={});if(!e)return Object.keys(r).forEach((e=>{delete r[e]})),void delete this.e;const i=r[e],s=[];if(i&&t)for(let e=0,r=i.length;e<r;e+=1)i[e].fn!==t&&i[e].fn._!==t&&s.push(i[e]);return s.length?r[e]=s:delete r[e],this}}const Lr={init:0,findFirstStartCode:1,findSecondStartCode:2};class zr extends Pr{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=Lr.init,this.tempBuffer=new Uint8Array(0),this.parsedOffset=0,this.versionLayer=0}dispatch(e,t){let r=new Uint8Array(this.tempBuffer.length+e.length);for(r.set(this.tempBuffer,0),r.set(e,this.tempBuffer.length),this.tempBuffer=r;!this.isDestroyed;){if(this.state==Lr.Init){let e=!1;for(;this.tempBuffer.length-this.parsedOffset>=2&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(!(!1&this.tempBuffer[this.parsedOffset+1])){this.versionLayer=this.tempBuffer[this.parsedOffset+1],this.state=Lr.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Lr.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=Lr.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Lr.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=Lr.findFirstStartCode}}}}function Rr(e,t,r){for(let i=2;i<e.length;++i){const s=i-2,n=t[s%t.length],a=r[s%r.length];e[i]=e[i]^n^a}return e}function Mr(...e){if((e=e.filter(Boolean)).length<2)return e[0];const t=new Uint8Array(e.reduce(((e,t)=>e+t.byteLength),0));let r=0;return e.forEach((e=>{t.set(e,r),r+=e.byteLength})),t}class Nr{static init(){Nr.types={avc1:[],avcC:[],hvc1:[],hvcC:[],av01:[],av1C:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[],Opus:[],dOps:[],"ac-3":[],dac3:[],"ec-3":[],dec3:[]};for(let e in Nr.types)Nr.types.hasOwnProperty(e)&&(Nr.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);let e=Nr.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,r=null,i=Array.prototype.slice.call(arguments,1),s=i.length;for(let e=0;e<s;e++)t+=i[e].byteLength;r=new Uint8Array(t),r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,r.set(e,4);let n=8;for(let e=0;e<s;e++)r.set(i[e],n),n+=i[e].byteLength;return r}static generateInitSegment(e){let t=Nr.box(Nr.types.ftyp,Nr.constants.FTYP),r=Nr.moov(e),i=new Uint8Array(t.byteLength+r.byteLength);return i.set(t,0),i.set(r,t.byteLength),i}static moov(e){let t=Nr.mvhd(e.timescale,e.duration),r=Nr.trak(e),i=Nr.mvex(e);return Nr.box(Nr.types.moov,t,r,i)}static mvhd(e,t){return Nr.box(Nr.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(e){return Nr.box(Nr.types.trak,Nr.tkhd(e),Nr.mdia(e))}static tkhd(e){let t=e.id,r=e.duration,i=e.presentWidth,s=e.presentHeight;return Nr.box(Nr.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>>8&255,255&i,0,0,s>>>8&255,255&s,0,0]))}static mdia(e){return Nr.box(Nr.types.mdia,Nr.mdhd(e),Nr.hdlr(e),Nr.minf(e))}static mdhd(e){let t=e.timescale,r=e.duration;return Nr.box(Nr.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,r>>>24&255,r>>>16&255,r>>>8&255,255&r,85,196,0,0]))}static hdlr(e){let t=null;return t="audio"===e.type?Nr.constants.HDLR_AUDIO:Nr.constants.HDLR_VIDEO,Nr.box(Nr.types.hdlr,t)}static minf(e){let t=null;return t="audio"===e.type?Nr.box(Nr.types.smhd,Nr.constants.SMHD):Nr.box(Nr.types.vmhd,Nr.constants.VMHD),Nr.box(Nr.types.minf,t,Nr.dinf(),Nr.stbl(e))}static dinf(){return Nr.box(Nr.types.dinf,Nr.box(Nr.types.dref,Nr.constants.DREF))}static stbl(e){return Nr.box(Nr.types.stbl,Nr.stsd(e),Nr.box(Nr.types.stts,Nr.constants.STTS),Nr.box(Nr.types.stsc,Nr.constants.STSC),Nr.box(Nr.types.stsz,Nr.constants.STSZ),Nr.box(Nr.types.stco,Nr.constants.STCO))}static stsd(e){return"audio"===e.type?"mp3"===e.audioType?Nr.box(Nr.types.stsd,Nr.constants.STSD_PREFIX,Nr.mp3(e)):Nr.box(Nr.types.stsd,Nr.constants.STSD_PREFIX,Nr.mp4a(e)):"avc"===e.videoType?Nr.box(Nr.types.stsd,Nr.constants.STSD_PREFIX,Nr.avc1(e)):Nr.box(Nr.types.stsd,Nr.constants.STSD_PREFIX,Nr.hvc1(e))}static mp3(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Nr.box(Nr.types[".mp3"],i)}static mp4a(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Nr.box(Nr.types.mp4a,i,Nr.esds(e))}static esds(e){let t=e.config||[],r=t.length,i=new Uint8Array([0,0,0,0,3,23+r,0,1,0,4,15+r,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([r]).concat(t).concat([6,1,2]));return Nr.box(Nr.types.esds,i)}static avc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Nr.box(Nr.types.avc1,s,Nr.box(Nr.types.avcC,t))}static hvc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Nr.box(Nr.types.hvc1,s,Nr.box(Nr.types.hvcC,t))}static mvex(e){return Nr.box(Nr.types.mvex,Nr.trex(e))}static trex(e){let t=e.id,r=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return Nr.box(Nr.types.trex,r)}static moof(e,t){return Nr.box(Nr.types.moof,Nr.mfhd(e.sequenceNumber),Nr.traf(e,t))}static mfhd(e){let t=new Uint8Array([0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e]);return Nr.box(Nr.types.mfhd,t)}static traf(e,t){let r=e.id,i=Nr.box(Nr.types.tfhd,new Uint8Array([0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r])),s=Nr.box(Nr.types.tfdt,new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t])),n=Nr.sdtp(e),a=Nr.trun(e,n.byteLength+16+16+8+16+8+8);return Nr.box(Nr.types.traf,i,s,a,n)}static sdtp(e){let t=new Uint8Array(5),r=e.flags;return t[4]=r.isLeading<<6|r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy,Nr.box(Nr.types.sdtp,t)}static trun(e,t){let r=new Uint8Array(28);t+=36,r.set([0,0,15,1,0,0,0,1,t>>>24&255,t>>>16&255,t>>>8&255,255&t],0);let i=e.duration,s=e.size,n=e.flags,a=e.cts;return r.set([i>>>24&255,i>>>16&255,i>>>8&255,255&i,s>>>24&255,s>>>16&255,s>>>8&255,255&s,n.isLeading<<2|n.dependsOn,n.isDependedOn<<6|n.hasRedundancy<<4|n.isNonSync,0,0,a>>>24&255,a>>>16&255,a>>>8&255,255&a],12),Nr.box(Nr.types.trun,r)}static mdat(e){return Nr.box(Nr.types.mdat,e)}}function Or(e={},t={},r=!1){let i=[],s=[],n={},a=new AbortController,o=null,d=null,g=null,y=null,v=null,De=null,Fe=!1,$e=!1,Je=!!at(r),dt=!1,lt=null,ut=null,ht=null,pt=[],_t=null,Ut=null,xt=0,At=0,Bt=null,kt=null,Tt=0,Nt=0,Ot=!1,Gt=!1,Ht=!1,$t=null,Vt=null,Wt=null,jt=!1,Yt=()=>{const e=st();return{debug:e.debug,debugLevel:e.debugLevel,debugUuid:e.debugUuid,useOffscreen:e.useOffscreen,useWCS:e.useWCS,useMSE:e.useMSE,videoBuffer:e.videoBuffer,videoBufferDelay:e.videoBufferDelay,openWebglAlignment:e.openWebglAlignment,playType:e.playType,hasAudio:e.hasAudio,hasVideo:e.hasVideo,playbackRate:1,playbackForwardMaxRateDecodeIFrame:e.playbackForwardMaxRateDecodeIFrame,playbackIsCacheBeforeDecodeForFpsRender:e.playbackConfig.isCacheBeforeDecodeForFpsRender,sampleRate:0,networkDelay:e.networkDelay,visibility:!0,useSIMD:e.useSIMD,isRecording:!1,recordType:e.recordType,isNakedFlow:e.isNakedFlow,checkFirstIFrame:e.checkFirstIFrame,audioBufferSize:1024,isM7sCrypto:e.isM7sCrypto,m7sCryptoAudio:e.m7sCryptoAudio,cryptoKey:e.cryptoKey,cryptoIV:e.cryptoIV,isSm4Crypto:e.isSm4Crypto,sm4CryptoKey:e.sm4CryptoKey,isXorCrypto:e.isXorCrypto,isHls265:!1,isFlv:e.isFlv,isFmp4:e.isFmp4,isMpeg4:e.isMpeg4,isTs:e.isTs,isFmp4Private:e.isFmp4Private,isEmitSEI:e.isEmitSEI,isRecordTypeFlv:!1,isWasmMp4:!1,isChrome:!1,isDropSameTimestampGop:e.isDropSameTimestampGop,mseDecodeAudio:e.mseDecodeAudio,nakedFlowH265DemuxUseNew:e.nakedFlowH265DemuxUseNew,mseDecoderUseWorker:e.mseDecoderUseWorker,mseAutoCleanupSourceBuffer:e.mseAutoCleanupSourceBuffer,mseAutoCleanupMaxBackwardDuration:e.mseAutoCleanupMaxBackwardDuration,mseAutoCleanupMinBackwardDuration:e.mseAutoCleanupMinBackwardDuration,mseCorrectTimeDuration:e.mseCorrectTimeDuration}};"VideoEncoder"in self&&(n={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(n.isEmitInfo||(Qt.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:S,w:e.codedWidth,h:e.codedHeight}),n.isEmitInfo=!0,n.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),n.offscreenCanvasCtx=n.offscreenCanvas.getContext("2d")),"function"==typeof e.createImageBitmap)e.createImageBitmap().then((t=>{n.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=n.offscreenCanvas.transferToImageBitmap();postMessage({cmd:E,buffer:r,delay:Qt.delay,ts:0},[r]),rt(e)}));else{n.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=n.offscreenCanvas.transferToImageBitmap();postMessage({cmd:E,buffer:t,delay:Qt.delay,ts:0},[t]),rt(e)}},error:function(e){Qt.debug.error("worker","VideoDecoder error",e)}}),decode:function(e,t,r){const i=e[0]>>4==1;if(n.hasInit){const r=new EncodedVideoChunk({data:e.slice(5),timestamp:t,type:i?Be:ke});n.decoder.decode(r)}else if(i&&0===e[1]){const t=15&e[0];postMessage({cmd:T,code:t});const r=new Uint8Array(e);postMessage({cmd:C,buffer:r,codecId:t},[r.buffer]);const i=function(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}return{codec:r,description:e}}(e.slice(5));n.decoder.configure(i),n.hasInit=!0}},reset(){n.hasInit=!1,n.isEmitInfo=!1,n.offscreenCanvas=null,n.offscreenCanvasCtx=null}});let qt=function(){if(jt=!0,Qt.fetchStatus!==Le||ot(Qt._opt.isChrome)){if(a)try{a.abort(),a=null}catch(e){Qt.debug.log("worker","abort catch",e)}}else a=null,Qt.debug.log("worker",`abort() and not abortController.abort() _status is ${Qt.fetchStatus} and _isChrome is ${Qt._opt.isChrome}`)},Kt={init(){Kt.lastBuf=null,Kt.vps=null,Kt.sps=null,Kt.pps=null,Kt.streamType=null,Kt.localDts=0,Kt.isSendSeqHeader=!1},destroy(){Kt.lastBuf=null,Kt.vps=null,Kt.sps=null,Kt.pps=null,Kt.streamType=null,Kt.localDts=0,Kt.isSendSeqHeader=!1},dispatch(e){const t=new Uint8Array(e);Kt.extractNALu$2(t)},getNaluDts(){let e=Kt.localDts;return Kt.localDts=Kt.localDts+40,e},getNaluAudioDts(){const e=Qt._opt.sampleRate,t=Qt._opt.audioBufferSize;return Kt.localDts+parseInt(t/e*1e3)},extractNALu(e){let t,r,i=0,s=e.byteLength,n=0,a=[];for(;i<s;)switch(t=e[i++],n){case 0:0===t&&(n=1);break;case 1:n=0===t?2:0;break;case 2:case 3:0===t?n=3:1===t&&i<s?(r&&a.push(e.subarray(r,i-n-1)),r=i,n=0):n=0}return r&&a.push(e.subarray(r,s)),a},extractNALu$2(e){let t=null;if(!e||e.byteLength<1)return;Kt.lastBuf?(t=new Uint8Array(e.byteLength+Kt.lastBuf.length),t.set(Kt.lastBuf),t.set(new Uint8Array(e),Kt.lastBuf.length)):t=new Uint8Array(e);let r=0,i=-1,s=-2;const n=new Array;for(let e=0;e<t.length;e+=2){const r=t[e],a=t[e+1];0==i&&0==r&&0==a?n.push(e-1):1==a&&0==r&&0==i&&0==s&&n.push(e-2),s=r,i=a}if(n.length>1)for(let e=0;e<n.length-1;++e){const i=t.subarray(n[e],n[e+1]+1);Kt.handleNALu(i),r=n[e+1]}else r=n[0];if(0!=r&&r<t.length)Kt.lastBuf=t.subarray(r);else{Kt.lastBuf||(Kt.lastBuf=t);const r=new Uint8Array(Kt.lastBuf.length+e.byteLength);r.set(Kt.lastBuf),r.set(new Uint8Array(e),Kt.lastBuf.length),Kt.lastBuf=r}},handleNALu(e){e.byteLength<=4?Qt.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),Kt.handleVideoNalu(e))},handleVideoNalu(e){if(Kt.streamType||(Kt.streamType=function(e){let t=null,r=31&e[0];return r!==xe.sps&&r!==xe.pps||(t=Ee.h264),t||(r=(126&e[0])>>1,r!==Ae.vps&&r!==Ae.sps&&r!==Ae.pps||(t=Ee.h265)),t}(e),$t=Kt.streamType===Ee.h265),Kt.streamType===Ee.h264){const t=Kt.handleAddNaluStartCode(e),r=Kt.extractNALu(t);if(0===r.length)return void Qt.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=vt(e);t===xe.pps||t===xe.sps?Kt.handleVideoH264Nalu(e):St(t)&&i.push(e)})),1===i.length)Kt.handleVideoH264Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=vt(e[0]);for(let r=1;r<e.length;r++)if(t!==vt(e[r]))return!1;return!0}(i);if(e){const e=vt(i[0]),t=Et(e);Kt.handleVideoH264NaluList(i,t,e)}else i.forEach((e=>{Kt.handleVideoH264Nalu(e)}))}}else if(Kt.streamType===Ee.h265)if(Qt._opt.nakedFlowH265DemuxUseNew){const t=Kt.handleAddNaluStartCode(e),r=Kt.extractNALu(t);if(0===r.length)return void Qt.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=zt(e);t===Ae.pps||t===Ae.sps||t===Ae.vps?Kt.handleVideoH265Nalu(e):Rt(t)&&i.push(e)})),1===i.length)Kt.handleVideoH265Nalu(i[0]);else{const e=function(e){if(0===e.length)return!1;const t=zt(e[0]);for(let r=1;r<e.length;r++)if(t!==zt(e[r]))return!1;return!0}(i);if(e){const e=zt(i[0]),t=Mt(e);Kt.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{Kt.handleVideoH265Nalu(e)}))}}else{zt(e)===Ae.pps?Kt.extractH265PPS(e):Kt.handleVideoH265Nalu(e)}},extractH264PPS(e){const t=Kt.handleAddNaluStartCode(e);Kt.extractNALu(t).forEach((e=>{wt(vt(e))?Kt.extractH264SEI(e):Kt.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=Kt.handleAddNaluStartCode(e);Kt.extractNALu(t).forEach((e=>{const t=zt(e);t===Ae.sei?Kt.extractH265SEI(e):Kt.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=Kt.handleAddNaluStartCode(e);Kt.extractNALu(t).forEach((e=>{Kt.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=Kt.handleAddNaluStartCode(e);Kt.extractNALu(t).forEach((e=>{Kt.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=vt(e);switch(t){case xe.sps:Kt.sps=e;break;case xe.pps:Kt.pps=e}if(Kt.isSendSeqHeader){if(Kt.sps&&Kt.pps){const e=yt({sps:Kt.sps,pps:Kt.pps}),t=Kt.getNaluDts();Qt.decode(e,{type:X,ts:t,isIFrame:!0,cts:0}),Kt.sps=null,Kt.pps=null}if(St(t)){const r=Et(t),i=Kt.getNaluDts(),s=function(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);Kt.doDecode(s,{type:X,ts:i,isIFrame:r,cts:0})}else Qt.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(Kt.sps&&Kt.pps){Kt.isSendSeqHeader=!0;const e=yt({sps:Kt.sps,pps:Kt.pps});Qt.decode(e,{type:X,ts:0,isIFrame:!0,cts:0}),Kt.sps=null,Kt.pps=null}},handleVideoH264NaluList(e,t,r){if(Kt.isSendSeqHeader){const i=Kt.getNaluDts(),s=bt(e.reduce(((e,t)=>{const r=Dt(e),i=Dt(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s})),t);Kt.doDecode(s,{type:X,ts:i,isIFrame:t,cts:0}),Qt.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else Qt.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=zt(e);switch(t){case Ae.vps:Kt.vps=e;break;case Ae.sps:Kt.sps=e;break;case Ae.pps:Kt.pps=e}if(Kt.isSendSeqHeader){if(Kt.vps&&Kt.sps&&Kt.pps){const e=Pt({vps:Kt.vps,sps:Kt.sps,pps:Kt.pps}),t=Kt.getNaluDts();Qt.decode(e,{type:X,ts:t,isIFrame:!0,cts:0}),Kt.vps=null,Kt.sps=null,Kt.pps=null}if(Rt(t)){const r=Mt(t),i=Kt.getNaluDts(),s=function(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r);Kt.doDecode(s,{type:X,ts:i,isIFrame:r,cts:0})}else Qt.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(Kt.vps&&Kt.sps&&Kt.pps){Kt.isSendSeqHeader=!0;const e=Pt({vps:Kt.vps,sps:Kt.sps,pps:Kt.pps});Qt.decode(e,{type:X,ts:0,isIFrame:!0,cts:0}),Kt.vps=null,Kt.sps=null,Kt.pps=null}},handleVideoH265NaluList(e,t,r){if(Kt.isSendSeqHeader){const i=Kt.getNaluDts(),s=Lt(e.reduce(((e,t)=>{const r=Dt(e),i=Dt(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s})),t);Kt.doDecode(s,{type:X,ts:i,isIFrame:t,cts:0}),Qt.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else Qt.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){Qt.calcNetworkDelay(t.ts),t.isIFrame&&Qt.calcIframeIntervalTimestamp(t.ts),postMessage({cmd:P,type:ce,value:e.byteLength}),postMessage({cmd:P,type:fe,value:t.ts}),Qt.decode(e,t)}},Xt={LOG_NAME:"worker fmp4Demuxer",mp4Box:yr.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){Xt.mp4Box.onReady=Xt.onReady,Xt.mp4Box.onError=Xt.onError,Xt.mp4Box.onSamples=Xt.onSamples},initTransportDescarmber(){Xt.transportDescarmber=new wr},_getSeqHeader(e){const t=Xt.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new yr.DataStream(void 0,0,yr.DataStream.BIG_ENDIAN);let r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(Xt.isHevc=!0,$t=!0,e.hvcC.write(t),r=[28,0,0,0,0]);const i=new Uint8Array(t.buffer,8),s=new Uint8Array(r.length+i.length);return s.set(r,0),s.set(i,r.length),s}return null},onReady(e){Qt.debug.log(Xt.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],r=e.audioTracks[0];if(t){Xt.videoTrackId=t.id;const e=Xt._getSeqHeader(t);e&&(Qt.debug.log(Xt.LOG_NAME,"seqHeader"),Qt.decodeVideo(e,0,!0,0)),Xt.mp4Box.setExtractionOptions(t.id)}if(r&&Qt._opt.hasAudio){Xt.audioTrackId=r.id;const e=r.audio||{},t=qe.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");Xt.mp4Box.setExtractionOptions(r.id);const s=Ve({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});Qt.debug.log(Xt.LOG_NAME,"aacADTSHeader"),Qt.decodeAudio(s,0)}Xt.mp4Box.start()},onError(e){Qt.debug.error(Xt.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===Xt.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&&Qt.calcIframeIntervalTimestamp(i);let s=null;s=Xt.isHevc?Lt(t,r):bt(t,r),postMessage({cmd:P,type:ce,value:s.byteLength}),postMessage({cmd:P,type:fe,value:i}),Qt.decode(s,{type:X,ts:i,isIFrame:r,cts:0})}else if(e===Xt.audioTrackId){if(Qt._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:P,type:he,value:i.byteLength}),Qt.decode(i,{type:K,ts:r,isIFrame:!1,cts:0})}}else Qt.debug.warn(Xt.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(Xt.transportDescarmber&&(t=Xt.transportDescarmber.transport(t)),t.buffer.fileStart=Xt.offset,Xt.offset+=t.byteLength,Xt.mp4Box.appendBuffer(t.buffer)):Qt.debug.warn(Xt.LOG_NAME,"dispatch()","data is not object",e):Qt.debug.warn(Xt.LOG_NAME,"dispatch()","data is string",e)},destroy(){Xt.mp4Box&&(Xt.mp4Box.flush(),Xt.mp4Box=null),Xt.transportDescarmber&&(Xt.transportDescarmber.destroy(),Xt.transportDescarmber=null),Xt.offset=0,Xt.videoTrackId=null,Xt.audioTrackId=null,Xt.isHevc=!1}},Zt={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);Zt.extractNALu(t)},destroy(){Zt.lastBuffer=new Uint8Array(0),Zt.parsedOffset=0,Zt.firstStartCodeOffset=0,Zt.secondStartCodeOffset=0,Zt.state="init",Zt.hasInitVideoCodec=!1,Zt.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void Qt.debug.warn(Zt.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(Zt.lastBuffer.length+e.length);for(t.set(Zt.lastBuffer,0),t.set(new Uint8Array(e),Zt.lastBuffer.length),Zt.lastBuffer=t;;){if("init"===Zt.state){let e=!1;for(;Zt.lastBuffer.length-Zt.parsedOffset>=4;)if(0===Zt.lastBuffer[Zt.parsedOffset])if(0===Zt.lastBuffer[Zt.parsedOffset+1])if(1===Zt.lastBuffer[Zt.parsedOffset+2]){if(182===Zt.lastBuffer[Zt.parsedOffset+3]){Zt.state="findFirstStartCode",Zt.firstStartCodeOffset=Zt.parsedOffset,Zt.parsedOffset+=4,e=!0;break}Zt.parsedOffset++}else Zt.parsedOffset++;else Zt.parsedOffset++;else Zt.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===Zt.state){let e=!1;for(;Zt.lastBuffer.length-Zt.parsedOffset>=4;)if(0===Zt.lastBuffer[Zt.parsedOffset])if(0===Zt.lastBuffer[Zt.parsedOffset+1])if(1===Zt.lastBuffer[Zt.parsedOffset+2]){if(182===Zt.lastBuffer[Zt.parsedOffset+3]){Zt.state="findSecondStartCode",Zt.secondStartCodeOffset=Zt.parsedOffset,Zt.parsedOffset+=4,e=!0;break}Zt.parsedOffset++}else Zt.parsedOffset++;else Zt.parsedOffset++;else Zt.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===Zt.state){if(!(Zt.lastBuffer.length-Zt.parsedOffset>0))break;{let e,t,r=192&Zt.lastBuffer[Zt.parsedOffset];e=0==r?Zt.secondStartCodeOffset-14:Zt.secondStartCodeOffset;let i=0==(192&Zt.lastBuffer[Zt.firstStartCodeOffset+4]);if(i){if(Zt.firstStartCodeOffset-14<0)return void Qt.debug.warn(Zt.LOG_NAME,"firstStartCodeOffset -14 is",Zt.firstStartCodeOffset-14);Zt.hasInitVideoCodec||(Zt.hasInitVideoCodec=!0,Qt.debug.log(Zt.LOG_NAME,"setCodec"),tr.setCodec(Se,"")),t=Zt.lastBuffer.subarray(Zt.firstStartCodeOffset-14,e)}else t=Zt.lastBuffer.subarray(Zt.firstStartCodeOffset,e);let s=Zt.getNaluDts();Zt.hasInitVideoCodec?(postMessage({cmd:P,type:ce,value:t.byteLength}),postMessage({cmd:P,type:fe,value:s}),tr.decode(t,i?1:0,s)):Qt.debug.warn(Zt.LOG_NAME,"has not init video codec"),Zt.lastBuffer=Zt.lastBuffer.subarray(e),Zt.firstStartCodeOffset=0==r?14:0,Zt.parsedOffset=Zt.firstStartCodeOffset+4,Zt.state="findFirstStartCode"}}}},getNaluDts(){let e=Zt.localDts;return Zt.localDts=Zt.localDts+40,e}},Jt={isFirstDispatch:!0,_pmtId:-1,_remainingPacketData:null,_videoPesData:[],_audioPesData:[],_gopId:0,_videoPid:-1,_audioPid:-1,_codecType:ve,_audioCodecType:Ue.AAC,_vps:null,_sps:null,_pps:null,TAG_NAME:"worker TsDemuxer",videoTrack:{samples:[]},audioTrack:{samples:[]},_baseDts:-1,_audioNextPts:void 0,_videoNextDts:void 0,_audioTimestampBreak:!1,_videoTimestampBreak:!1,_lastAudioExceptionGapDot:0,_lastAudioExceptionOverlapDot:0,_lastAudioExceptionLargeGapDot:0,_isSendAACSeqHeader:!1,init(){},dispatch(e){const t=new Uint8Array(e);Jt.demuxAndFix(t,Jt.isFirstDispatch,!0,0),Jt.isFirstDispatch&&(Jt.isFirstDispatch=!1)},_probe:e=>!!e.length&&(71===e[0]&&71===e[188]&&71===e[376]),_parsePES(e){const t=e[8];if(null==t||e.length<t+9)return;if(1!==(e[0]<<16|e[1]<<8|e[2]))return;const r=(e[4]<<8)+e[5];if(r&&r>e.length-6)return;let i,s;const n=e[7];return 192&n&&(i=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&n?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,i-s>54e5&&(i=s)):s=i),{data:e.subarray(9+t),pts:i,dts:s,originalPts:i,originalDts:s}},demuxAndFix(e,t,r,i){Jt._demux(e,t,r),Jt._fix(i,t,r)},_initVideoTrack:()=>({samples:[]}),_initAudioTrack:()=>({samples:[]}),_demux(e,t=!1,r=!0){t&&(Jt._pmtId=-1,Jt.videoTrack=Jt._initVideoTrack(),Jt.audioTrack=Jt._initAudioTrack()),!r||t?(Jt._remainingPacketData=null,Jt._videoPesData=[],Jt._audioPesData=[]):(Jt.videoTrack.samples=[],Jt.audioTrack.samples=[],Jt._remainingPacketData&&(e=Mr(Jt._remainingPacketData,e),Jt._remainingPacketData=null));let i=e.length;const s=i%188;s&&(Jt._remainingPacketData=e.subarray(i-s),i-=s);for(let t=0;t<i;t+=188){if(71!==e[t])throw new Error("TS packet did not start with 0x47");const r=!!(64&e[t+1]),i=((31&e[t+1])<<8)+e[t+2];let s;if((48&e[t+3])>>4>1){if(s=t+5+e[t+4],s===t+188)continue}else s=t+4;switch(i){case 0:r&&(s+=e[s]+1),Jt._pmtId=(31&e[s+10])<<8|e[s+11];break;case Jt._pmtId:{r&&(s+=e[s]+1);const t=s+3+((15&e[s+1])<<8|e[s+2])-4;for(s+=12+((15&e[s+10])<<8|e[s+11]);s<t;){const t=(31&e[s+1])<<8|e[s+2];switch(e[s]){case 15:Jt._audioPid=t,Jt._audioCodecType=Ue.AAC;break;case 27:Jt._videoPid=t,Jt._codecType=ve;break;case 36:Jt._videoPid=t,Jt._codecType=we;break;default:Qt.debug.warn(Jt.TAG_NAME,`Unsupported stream. type: ${e[s]}, pid: ${t}`)}s+=5+((15&e[s+3])<<8|e[s+4])}}break;case Jt._videoPid:r&&Jt._videoPesData.length&&Jt._parseVideoData(),Jt._videoPesData.push(e.subarray(s,t+188));break;case Jt._audioPid:r&&Jt._audioPesData.length&&Jt._parseAudioData(),Jt._audioPesData.push(e.subarray(s,t+188));break;case 17:case 8191:break;default:Qt.debug.warn(Jt.TAG_NAME,`Unknown pid: ${i}`)}}Jt._parseVideoData(),Jt._parseAudioData(),Jt.audioTrack.formatTimescale=Jt.videoTrack.formatTimescale=Jt.videoTrack.timescale=9e4,Jt.audioTrack.timescale=Jt.audioTrack.sampleRate||0},_parseVideoData(){if(!Jt._videoPesData.length)return void Qt.debug.log(Jt.TAG_NAME,"_parseVideoData","no video pes data");const e=Jt._parsePES(Mr(...Jt._videoPesData));if(!e)return void Qt.debug.warn(Jt.TAG_NAME,"Cannot parse video pes data length",Jt._videoPesData.length);const t=function(e){const t=e.length;let r=2,i=0;for(;null!==e[r]&&void 0!==e[r]&&1!==e[r];)r++;if(r++,i=r+2,i>=t)return[];const s=[];for(;i<t;)switch(e[i]){case 0:if(0!==e[i-1]){i+=2;break}if(0!==e[i-2]){i++;break}r!==i-2&&s.push(e.subarray(r,i-2));do{i++}while(1!==e[i]&&i<t);r=i+1,i=r+2;break;case 1:if(0!==e[i-1]||0!==e[i-2]){i+=3;break}r!==i-2&&s.push(e.subarray(r,i-2)),r=i+1,i=r+2;break;default:i+=3}return r<t&&s.push(e.subarray(r)),s}(e.data);t?Jt._createVideoSample(t,e.pts,e.dts):Qt.debug.warn(Jt.TAG_NAME,"Cannot parse avc units",e),Jt._videoPesData=[]},_parseAudioData(){if(!Jt._audioPesData.length)return;const e=Jt._parsePES(Mr(...Jt._audioPesData));if(e){if(Qt._opt.hasAudio){if(Jt._audioCodecType===Ue.AAC){const t=function(e,t){const r=e.length;let i=0;for(;i+2<r&&(255!==e[i]||240!=(246&e[i+1]));)i++;if(i>=r)return;const s=i,n=[],a=(60&e[i+2])>>>2,o=Ye[a];if(!o)throw new Error(`Invalid sampling index: ${a}`);const d=1+((192&e[i+2])>>>6),l=(1&e[i+2])<<2|(192&e[i+3])>>>6;let u,h,c=0;const f=Xe(o);for(;i+7<r;)if(255===e[i]&&240==(246&e[i+1])){if(h=(3&e[i+3])<<11|e[i+4]<<3|(224&e[i+5])>>5,r-i<h)break;u=2*(1&~e[i+1]),n.push({pts:t+c*f,data:e.subarray(i+7+u,i+h)}),c++,i+=h}else i++;return{skip:s,remaining:i>=r?void 0:e.subarray(i),frames:n,samplingFrequencyIndex:a,sampleRate:o,objectType:d,channelCount:l,originCodec:`mp4a.40.${d}`}}(e.data,e.originalPts);if(t){if(Jt.audioTrack.codec=t.codec,Jt.audioTrack.sampleRate=t.sampleRate,Jt.audioTrack.channelCount=t.channelCount,!Jt._isSendAACSeqHeader){const e=Ve({profile:t.objectType,sampleRate:t.samplingFrequencyIndex,channel:t.channelCount});Jt._isSendAACSeqHeader=!0,Qt.debug.log(Jt.TAG_NAME,"aac seq header",`profile: ${t.objectType}, sampleRate:${t.sampleRate},sampleRateIndex: ${t.samplingFrequencyIndex}, channel: ${t.channelCount}`),Qt.decodeAudio(e,0)}if(Jt._isSendAACSeqHeader){const e=[];t.frames.forEach((t=>{const r=t.pts,i=new Uint8Array(t.data.length+2);i.set([175,1],0),i.set(t.data,2);const s={type:K,pts:r,dts:r,payload:i};e.push(s)})),Jt.audioTrack.samples=Jt.audioTrack.samples.concat(e)}else Qt.debug.warn(Jt.TAG_NAME,"aac seq header not send")}else Qt.debug.warn(Jt.TAG_NAME,"aac parseADTS error")}Jt._audioPesData=[]}}else Qt.debug.warn(Jt.TAG_NAME,"Cannot parse audio pes",Jt._audioPesData)},_fix(e=0,t=!1,r=!0){e=Math.round(9e4*e);const i=Jt.videoTrack,s=Jt.audioTrack,n=i.samples,a=s.samples;if(!n.length&&!a.length)return;const o=n[0],d=a[0];let l=0;if(n.length&&a.length&&(l=o.dts-d.pts),Jt._baseDtsInited||Jt._calculateBaseDts(),t&&(Jt._calculateBaseDts(),Jt._baseDts-=e),!r){Jt._videoNextDts=l>0?e+l:e,Jt._audioNextPts=l>0?e:e-l;const t=o?o.dts-Jt._baseDts-Jt._videoNextDts:0,r=d?d.pts-Jt._baseDts-Jt._audioNextPts:0;Math.abs(t||r)>MAX_VIDEO_FRAME_DURATION&&(Jt._calculateBaseDts(Jt.audioTrack,Jt.videoTrack),Jt._baseDts-=e)}Jt._resetBaseDtsWhenStreamBreaked(),Jt._fixAudio(s),Jt._fixVideo(i);let u=i.samples.concat(s.samples);u=u.map((e=>(e.dts=Math.round(e.dts/90),e.pts=Math.round(e.pts/90),e.cts=e.pts-e.dts,e))).sort(((e,t)=>e.dts-t.dts)),u.forEach((e=>{const t=new Uint8Array(e.payload);delete e.payload,e.type===X?Jt._doDecodeVideo({...e,payload:t}):e.type===K&&Jt._doDecodeAudio({...e,payload:t})}))},_calculateBaseDts(){const e=Jt.audioTrack,t=Jt.videoTrack,r=e.samples,i=t.samples;if(!r.length&&!i.length)return!1;let s=1/0,n=1/0;r.length&&(e.baseDts=s=r[0].pts),i.length&&(t.baseDts=n=i[0].dts),Jt._baseDts=Math.min(s,n);const a=n-s;return Number.isFinite(a)&&Math.abs(a)>45e3&&Qt.debug.warn(Jt.TAG_NAME,`large av first frame gap,\n                video pts: ${n},\n                audio pts: ${s},\n                base dts: ${Jt._baseDts},\n                detect is: ${a}`),Jt._baseDtsInited=!0,!0},_resetBaseDtsWhenStreamBreaked(){if(Jt._baseDtsInited&&Jt._videoTimestampBreak&&Jt._audioTimestampBreak){if(!Jt._calculateBaseDts(Jt.audioTrack,Jt.videoTrack))return;Jt._baseDts-=Math.min(Jt._audioNextPts,Jt._videoNextDts),Jt._audioLastSample=null,Jt._videoLastSample=null,Jt._videoTimestampBreak=!1,Jt._audioTimestampBreak=!1}},_createVideoSample(e,t,r){if(!e.length)return;const i=Jt._codecType===we,s={isIFrame:!1,type:X,isHevc:i,vps:null,sps:null,pps:null,pts:t,dts:r,payload:null};e.forEach((e=>{const t=i?e[0]>>>1&63:31&e[0];switch(t){case 5:case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:if(!i&&5!==t||i&&5===t)break;s.isIFrame=!0,Jt._gopId++;break;case 6:case 39:case 40:if(!i&&6!==t||i&&6===t)break;return void function(e,t){const r=e.length;let i=t?2:1,s=0,n=0,a="";for(;255===e[i];)s+=255,i++;for(s+=e[i++];255===e[i];)n+=255,i++;if(n+=e[i++],5===s&&r>i+16)for(let t=0;t<16;t++)a+=e[i].toString(16),i++;e.subarray(i)}(function(e){const t=e.byteLength,r=[];let i=1;for(;i<t-2;)0===e[i]&&0===e[i+1]&&3===e[i+2]?(r.push(i+2),i+=2):i++;if(!r.length)return e;const s=t-r.length,n=new Uint8Array(s);let a=0;for(i=0;i<s;a++,i++)a===r[0]&&(a++,r.shift()),n[i]=e[a];return n}(e),i);case 32:if(!i)break;s.vps||(s.vps=e);break;case 7:case 33:if(!i&&7!==t||i&&7===t)break;s.sps||(s.sps=e);break;case 8:case 34:if(!i&&8!==t||i&&8===t)break;s.pps||(s.pps=e)}if(i&&Rt(t)||!i&&St(t)){const t=Dt(e);if(s.payload){const e=new Uint8Array(s.payload.byteLength+t.byteLength);e.set(s.payload,0),e.set(t,s.payload.byteLength),s.payload=e}else s.payload=t}}));let n=null;i?s.sps&&s.vps&&s.pps&&(n=Pt({vps:s.vps,sps:s.sps,pps:s.pps})):s.sps&&s.pps&&(n=function({sps:e,pps:t}){let r=8+e.byteLength+1+2+t.byteLength,i=!1;const s=mt.parseSPS$2(e);66!==e[3]&&77!==e[3]&&88!==e[3]&&(i=!0,r+=4);let n=new Uint8Array(r);n[0]=1,n[1]=e[1],n[2]=e[2],n[3]=e[3],n[4]=255,n[5]=225;let a=e.byteLength;n[6]=a>>>8,n[7]=255&a;let o=8;n.set(e,8),o+=a,n[o]=1;let d=t.byteLength;n[o+1]=d>>>8,n[o+2]=255&d,n.set(t,o+3),o+=3+d,i&&(n[o]=252|s.chroma_format_idc,n[o+1]=248|s.bit_depth_luma-8,n[o+2]=248|s.bit_depth_chroma-8,n[o+3]=0,o+=4);const l=[23,0,0,0,0],u=new Uint8Array(l.length+n.byteLength);return u.set(l,0),u.set(n,l.length),u}({sps:s.sps,pps:s.pps})),n&&(Qt.debug.log(Jt.TAG_NAME,"_createVideoSample","seqHeader"),Qt.decodeVideo(n,X,Math.round(s.pts/90),!0,0)),s.isIFrame&&Qt.calcIframeIntervalTimestamp(Math.round(s.dts/90)),Jt.videoTrack.samples=Jt.videoTrack.samples.concat(s)},_fixAudio(e){const t=e.samples;t.length&&(t.forEach((e=>{e.pts-=Jt._baseDts,e.dts=e.pts})),Jt._doFixAudioInternal(e,t,9e4))},_fixVideo(e){const t=e.samples;if(!t.length)return;if(t.forEach((e=>{e.dts-=Jt._baseDts,e.pts-=Jt._baseDts})),void 0===Jt._videoNextDts){const e=t[0];Jt._videoNextDts=e.dts}const r=t.length;let i=0;const s=t[0],n=t[1],a=Jt._videoNextDts-s.dts;let o;Math.abs(a)>45e3&&(s.dts+=a,s.pts+=a,Qt.debug.warn(Jt.TAG_NAME,`large video gap between chunk,\n             next dts is ${Jt._videoNextDts},\n             first dts is ${s.dts},\n             next dts is ${n.dts},\n             duration is ${a}`),n&&Math.abs(n.dts-s.dts)>9e4&&(Jt._videoTimestampBreak=!0,t.forEach(((e,t)=>{0!==t&&(e.dts+=a,e.pts+=a)}))));const d=e.samples[0],l=e.samples[r-1];o=1===r?9e3:Math.floor((l.dts-d.dts)/(r-1));for(let s=0;s<r;s++){const n=t[s].dts,a=t[s+1];if(i=s<r-1?a.dts-n:t[s-1]?Math.min(n-t[s-1].dts,o):o,i>9e4||i<0){Jt._videoTimestampBreak=!0,i=Jt._audioTimestampBreak?o:Math.max(i,2700);const r=Jt._audioNextPts||0;a&&a.dts>r&&(i=o),Qt.debug.warn(Jt.TAG_NAME,`large video gap between frames,\n                time is ${n/e.timescale},\n                dts is ${n},\n                origin dts is ${t[s].originalDts},\n                next dts is ${Jt._videoNextDts},\n                sample Duration is ${i} ,\n                ref Sample DurationInt is ${o}`)}t[s].duration=i,Jt._videoNextDts+=i}},_doFixAudioInternal(e,t,r){e.sampleDuration||(e.sampleDuration=Xe(e.timescale,r));const i=e.sampleDuration;if(void 0===Jt._audioNextPts){const e=t[0];Jt._audioNextPts=e.pts}for(let r=0;r<t.length;r++){const s=Jt._audioNextPts,n=t[r],a=n.pts-s;if(!Jt._audioTimestampBreak&&a>=3*i&&a<=Ge&&!et()){Ke(e.codec,e.channelCount)||t[0].data.subarray();const o=Math.floor(a/i);Math.abs(n.pts-Jt._lastAudioExceptionGapDot)>AUDIO_EXCETION_LOG_EMIT_DURATION&&(Jt._lastAudioExceptionGapDot=n.pts),Qt.debug.warn(Jt.TAG_NAME,`audio gap detected,\n                pts is ${t.pts},\n                originPts is ${t.originalPts},\n                count is ${o},\n                nextPts is ${s},\n                ref sample duration is ${i}`);for(let e=0;e<o;e++)Jt._audioNextPts+=i,r++;r--}else a<=-3*i&&a>=-9e4?(Math.abs(n.pts-Jt._lastAudioExceptionOverlapDot)>He&&(Jt._lastAudioExceptionOverlapDot=n.pts,Qt.debug.warn(Jt.TAG_NAME,`audio overlap detected,\n                    pts is ${n.pts},\n                    originPts is ${n.originalPts},\n                    nextPts is ${s},\n                    ref sample duration is ${i}`)),t.splice(r,1),r--):(Math.abs(a)>=Ge&&(Jt._audioTimestampBreak=!0,Math.abs(n.pts-Jt._lastAudioExceptionLargeGapDot)>He&&(Jt._lastAudioExceptionLargeGapDot=n.pts,Qt.debug.warn(Jt.TAG_NAME,`large audio gap detected,\n                        time is ${n.pts/1e3}\n                        pts is ${n.pts},\n                        originPts is ${n.originalPts},\n                        nextPts is ${s},\n                        sample duration is ${a}\n                        ref sample duration is ${i}`))),n.dts=n.pts=s,Jt._audioNextPts+=i)}},_doDecodeVideo(e){const t=new Uint8Array(e.payload);let r=null;r=e.isHevc?Lt(t,e.isIFrame):bt(t,e.isIFrame),postMessage({cmd:P,type:ce,value:r.byteLength}),postMessage({cmd:P,type:fe,value:e.dts});const i=e.pts-e.dts;let s=Qt.cryptoPayload(r,e.isIFrame);Qt.decode(s,{type:X,ts:e.dts,isIFrame:e.isIFrame,cts:i})},_doDecodeAudio(){const e=new Uint8Array(sample.payload);postMessage({cmd:P,type:he,value:e.byteLength});let t=e;at(Qt._opt.m7sCryptoAudio)&&(t=Qt.cryptoPayloadAudio(e)),Qt.decode(t,{type:K,ts:sample.dts,isIFrame:!1,cts:0})},destroy(){Jt.videoTrack=null,Jt.audioTrack=null,Jt.tempSampleListInfo={},Jt._baseDts=-1,Jt._baseDtsInited=!1,Jt._basefps=50,Jt._hasCalcFps=!1,Jt._audioNextPts=void 0,Jt._videoNextDts=void 0,Jt._audioTimestampBreak=!1,Jt._videoTimestampBreak=!1,Jt._lastAudioExceptionGapDot=0,Jt._lastAudioExceptionOverlapDot=0,Jt._lastAudioExceptionLargeGapDot=0,Jt._isForHls=!0,Jt._isSendAACSeqHeader=!1,Qt.debug.log(Jt.TAG_NAME,"destroy")}},Qt={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,fetchStatus:Pe,_opt:Yt(),mp3Demuxer:null,delay:-1,pushLatestDelay:-1,firstTimestamp:null,startTimestamp:null,preDelayTimestamp:null,stopId:null,streamFps:null,streamAudioFps:null,streamVideoFps:null,writableStream:null,networkDelay:0,webglObj:null,startStreamRateAndStatsInterval:function(){Qt.stopStreamRateAndStatsInterval(),g=setInterval((()=>{d&&d(0);const e=JSON.stringify({demuxBufferDelay:Qt.getVideoBufferLength(),audioDemuxBufferDelay:Qt.getAudioBufferLength(),flvBufferByteLength:Qt.getFlvBufferLength(),netBuf:Qt.networkDelay||0,pushLatestDelay:Qt.pushLatestDelay||0,latestDelay:Qt.delay,isStreamTsMoreThanLocal:dt});postMessage({cmd:P,type:me,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){g&&(clearInterval(g),g=null)},useOffscreen:function(){return Qt._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||Qt._opt.hasVideo&&!Je)return-1;if(t===K)return Qt.delay;if(Qt.preDelayTimestamp&&Qt.preDelayTimestamp>e)return Qt.preDelayTimestamp-e>1e3&&Qt.debug.warn("worker",`getDelay() and preDelayTimestamp is ${Qt.preDelayTimestamp} > timestamp is ${e} more than ${Qt.preDelayTimestamp-e}ms and return ${Qt.delay}`),Qt.preDelayTimestamp=e,Qt.delay;if(Qt.firstTimestamp){if(e){const t=Date.now()-Qt.startTimestamp,r=e-Qt.firstTimestamp;t>=r?(dt=!1,Qt.delay=t-r):(dt=!0,Qt.delay=r-t)}}else Qt.firstTimestamp=e,Qt.startTimestamp=Date.now(),Qt.delay=-1;return Qt.preDelayTimestamp=e,Qt.delay},getDelayNotUpdateDelay:function(e,t){if(!e||Qt._opt.hasVideo&&!Je)return-1;if(t===K)return Qt.pushLatestDelay;if(Qt.preDelayTimestamp&&Qt.preDelayTimestamp-e>1e3)return Qt.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${Qt.preDelayTimestamp} > timestamp is ${e} more than ${Qt.preDelayTimestamp-e}ms and return -1`),-1;if(Qt.firstTimestamp){let t=-1;if(e){const r=Date.now()-Qt.startTimestamp,i=e-Qt.firstTimestamp;r>=i?(dt=!1,t=r-i):(dt=!0,t=i-r)}return t}return-1},resetDelay:function(){Qt.firstTimestamp=null,Qt.startTimestamp=null,Qt.delay=-1,Qt.dropping=!1},resetAllDelay:function(){Qt.resetDelay(),Qt.preDelayTimestamp=null},doDecode:function(e){Qt._opt.isEmitSEI&&e.type===X&&Qt.isWorkerFetch&&Qt.findSei(e.payload,e.ts),Qt._opt.useWCS&&Qt.useOffscreen()&&e.type===X&&n.decode?n.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,s=i[0],n=e.type===X&&nt(e.payload);if(ot(r))n&&(Qt.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${t} next data type is ${s.type} ts is ${s.ts}\n                isVideoSqeHeader is ${n}`),i.shift(),Qt.doDecode(s));else{const r=s.ts-t,a=s.type===K&&e.type===X;(r<=20||a||n)&&(Qt.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${t} next data type is ${s.type} ts is ${s.ts}\n                diff is ${r} and isVideoAndNextAudio is ${a} and isVideoSqeHeader is ${n}`),i.shift(),Qt.doDecode(s))}},init:function(){Qt.debug.log("worker","init and opt is",JSON.stringify(Qt._opt));const e=Qt._opt.playType===p,t=Qt._opt.playType===m;if(Kt.init(),Qt.isPlayer=e,Qt.isPlayback=t,Qt.isPlaybackCacheBeforeDecodeForFpsRender())Qt.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{Qt.debug.log("worker","setInterval()");const t=Qt._opt.videoBuffer+Qt._opt.videoBufferDelay,r=()=>{let r=null;if(i.length){if(Qt.isPushDropping)return void Qt.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${i.length}`);if(Qt.dropping){for(r=i.shift(),Qt.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${r.isIFrame} and delay is ${Qt.delay} and bufferlist is ${i.length}`);!r.isIFrame&&i.length;)r=i.shift();const e=Qt.getDelayNotUpdateDelay(r.ts,r.type);r.isIFrame&&e<=Qt.getNotDroppingDelayTs()&&(Qt.debug.log("worker","loop() is dropping = false, is iFrame"),Qt.dropping=!1,Qt.doDecode(r),Qt.decodeNext(r))}else if(Qt.isPlayback||Qt.isPlayUseMSE()||0===Qt._opt.videoBuffer)for(;i.length;)r=i.shift(),Qt.doDecode(r);else if(r=i[0],-1===Qt.getDelay(r.ts,r.type))Qt.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",r.ts),i.shift(),Qt.doDecode(r),Qt.decodeNext(r);else if(Qt.delay>t&&e)Qt.hasIframeInBufferList()?(Qt.debug.log("worker",`delay is ${Qt.delay} > maxDelay ${t}, set dropping is true`),Qt.resetAllDelay(),Qt.dropping=!0,postMessage({cmd:z})):(i.shift(),Qt.doDecode(r),Qt.decodeNext(r));else for(;i.length;){if(r=i[0],!(Qt.getDelay(r.ts,r.type)>Qt._opt.videoBuffer)){Qt.delay<0&&Qt.debug.warn("worker",`loop() do not decode and delay is ${Qt.delay}, bufferList is ${i.length}`);break}i.shift(),Qt.doDecode(r)}}else-1!==Qt.delay&&Qt.debug.log("worker","loop() bufferList is empty and reset delay"),Qt.resetAllDelay()};Qt.stopId=setInterval((()=>{let e=(new Date).getTime();lt||(lt=e);const t=e-lt;t>100&&Qt.debug.warn("worker",`loop demux diff time is ${t}`),r(),lt=(new Date).getTime()}),20)}ot(Qt._opt.checkFirstIFrame)&&(Je=!0)},playbackCacheLoop:function(){Qt.stopId&&(clearInterval(Qt.stopId),Qt.stopId=null);const e=()=>{let e=null;i.length&&(e=i.shift(),Qt.doDecode(e))};e();const t=Math.ceil(1e3/(Qt.streamFps*Qt._opt.playbackRate));Qt.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${Qt.streamFps}, streamAudioFps is ${Qt.streamAudioFps} ,streamVideoFps is ${Qt.streamVideoFps} playbackRate is ${Qt._opt.playbackRate}`),Qt.stopId=setInterval(e,t)},close:function(){if(Qt.debug.log("worker","close"),Qt.isDestroyed=!0,qt(),!o||1!==o.readyState&&2!==o.readyState?o&&Qt.debug.log("worker",`close() and socket.readyState is ${o.readyState}`):(jt=!0,o.close(1e3,"Client disconnecting")),o=null,Qt.stopStreamRateAndStatsInterval(),Qt.stopId&&(clearInterval(Qt.stopId),Qt.stopId=null),Qt.mp3Demuxer&&(Qt.mp3Demuxer.destroy(),Qt.mp3Demuxer=null),Qt.writableStream&&ot(Qt.writableStream.locked)&&Qt.writableStream.close().catch((e=>{Qt.debug.log("worker","close() and writableStream.close() error",e)})),Qt.writableStream=null,er)try{er.clear&&er.clear(),er=null}catch(e){Qt.debug.warn("worker","close() and audioDecoder.clear error",e)}if(tr)try{tr.clear&&tr.clear(),tr=null}catch(e){Qt.debug.warn("worker","close() and videoDecoder.clear error",e)}d=null,lt=null,dt=!1,n&&(n.reset&&n.reset(),n=null),Qt.firstTimestamp=null,Qt.startTimestamp=null,Qt.networkDelay=0,Qt.streamFps=null,Qt.streamAudioFps=null,Qt.streamVideoFps=null,Qt.delay=-1,Qt.pushLatestDelay=-1,Qt.preDelayTimestamp=null,Qt.dropping=!1,Qt.isPushDropping=!1,Qt.isPlayer=!0,Qt.isPlayback=!1,Qt.isWorkerFetch=!1,Qt._opt=Yt(),Qt.webglObj&&(Qt.webglObj.destroy(),Qt.offscreenCanvas.removeEventListener("webglcontextlost",Qt.onOffscreenCanvasWebglContextLost),Qt.offscreenCanvas.removeEventListener("webglcontextrestored",Qt.onOffscreenCanvasWebglContextRestored),Qt.offscreenCanvas=null,Qt.offscreenCanvasGL=null,Qt.offscreenCanvasCtx=null),i=[],s=[],y=null,v=null,De=null,Fe=!1,$e=!1,Je=!1,Ot=!1,Gt=!1,Ht=!1,$t=null,Vt=null,pt=[],xt=0,At=0,ut=null,ht=null,Bt=null,kt=null,Wt=null,Tt=0,Nt=0,_t=null,Ut=null,Qt.fetchStatus=Pe,Kt.destroy(),Xt.destroy(),Zt.destroy(),Jt.destroy(),postMessage({cmd:G})},pushBuffer:function(e,t){if(t.type===K&&We(e)){if(Qt.debug.log("worker",`pushBuffer audio ts is ${t.ts}, isAacCodecPacket is true`),Qt._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:W,buffer:t},[t.buffer])}Qt.decodeAudio(e,t.ts)}else if(t.type===X&&t.isIFrame&&nt(e)){if(Qt.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),Qt._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:j,buffer:t},[t.buffer])}Qt.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(Qt._opt.isRecording)if(Qt._opt.isRecordTypeFlv){const r=new Uint8Array(e);postMessage({cmd:Y,type:t.type,buffer:r,ts:t.ts},[r.buffer])}else if(Qt._opt.recordType===_)if(t.type===X){const r=new Uint8Array(e).slice(5);postMessage({cmd:D,buffer:r,isIFrame:t.isIFrame,ts:t.ts,cts:t.cts},[r.buffer])}else if(t.type===K&&Qt._opt.isWasmMp4){const r=new Uint8Array(e),i=je(r)?r.slice(2):r.slice(1);postMessage({cmd:B,buffer:i,ts:t.ts},[i.buffer])}if(Qt.isPlayer&&Tt>0&&kt>0&&t.type===X){const e=t.ts-kt,r=Tt+Tt/2;e>r&&Qt.debug.log("worker",`pushBuffer video\n                  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next dropBuffer`),void(e&&t?Qt.dropBuffer$2():(Qt.clearBuffer(!0),at(Qt._opt.checkFirstIFrame)&&at(r)&&postMessage({cmd:q})))}if(Qt.isPlayer&&Je){const e=Qt._opt.videoBuffer+Qt._opt.videoBufferDelay,r=Qt.getDelayNotUpdateDelay(t.ts,t.type);Qt.pushLatestDelay=r,r>e&&Qt.delay<e&&Qt.delay>0&&Qt.hasIframeInBufferList()&&!1===Qt.isPushDropping&&(Qt.debug.log("worker",`pushBuffer(), pushLatestDelay is ${r} more than ${e} and decoder.delay is ${Qt.delay} and has iIframe and next decoder.dropBuffer$2()`),Qt.dropBuffer$2())}if(Qt.isPlayer&&t.type===X&&(kt>0&&(Tt=t.ts-kt),Nt=e.byteLength,kt=t.ts),t.type===K?i.push({ts:t.ts,payload:e,decoder:{decode:Qt.decodeAudio},type:K,isIFrame:!1}):t.type===X&&i.push({ts:t.ts,cts:t.cts,payload:e,decoder:{decode:Qt.decodeVideo},type:X,isIFrame:t.isIFrame}),Qt.isPlaybackCacheBeforeDecodeForFpsRender()&&(tt(Qt.streamVideoFps)||tt(Qt.streamAudioFps))){let e=Qt.streamVideoFps,t=Qt.streamAudioFps;if(tt(Qt.streamVideoFps)&&(e=it(i,X),e&&(Qt.streamVideoFps=e,postMessage({cmd:R,value:Qt.streamVideoFps}),Qt.streamFps=t?e+t:e,ot(Qt._opt.hasAudio)&&(Qt.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),Qt.streamAudioFps=0),Qt.playbackCacheLoop())),tt(Qt.streamAudioFps)&&(t=it(i,K),t&&(Qt.streamAudioFps=t,Qt.streamFps=e?e+t:t,Qt.playbackCacheLoop())),tt(Qt.streamVideoFps)&&tt(Qt.streamAudioFps)){const r=i.map((e=>({type:e.type,ts:e.ts})));Qt.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength  is ${i.length}, and ts list is ${JSON.stringify(r)}`)}const r=Qt.getAudioBufferLength()>0,s=r?60:40;i.length>=s&&(Qt.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength  is ${i.length} more than ${s}, and hasAudio is ${r} an set streamFps is 25`),Qt.streamVideoFps=25,postMessage({cmd:R,value:Qt.streamVideoFps}),r?(Qt.streamAudioFps=25,Qt.streamFps=Qt.streamVideoFps+Qt.streamAudioFps):Qt.streamFps=Qt.streamVideoFps,Qt.playbackCacheLoop())}}},getVideoBufferLength(){let e=0;return i.forEach((t=>{t.type===X&&(e+=1)})),e},hasIframeInBufferList:()=>i.some((e=>e.type===X&&e.isIFrame)),isAllIframeInBufferList(){const e=Qt.getVideoBufferLength();let t=0;return i.forEach((e=>{e.type===X&&e.isIFrame&&(t+=1)})),e===t},getNotDroppingDelayTs:()=>Qt._opt.videoBuffer+Qt._opt.videoBufferDelay/2,getAudioBufferLength(){let e=0;return i.forEach((t=>{t.type===K&&(e+=1)})),e},getFlvBufferLength(){let e=0;return y&&y.buffer&&(e=y.buffer.byteLength),Qt._opt.isNakedFlow&&Kt.lastBuf&&(e=Kt.lastBuf.byteLength),e},fetchStream:function(e,t){Qt.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(t)),Qt.isWorkerFetch=!0,t.isFlv?Qt._opt.isFlv=!0:t.isFmp4?Qt._opt.isFmp4=!0:t.isMpeg4?Qt._opt.isMpeg4=!0:t.isNakedFlow?Qt._opt.isNakedFlow=!0:t.isTs&&(Qt._opt.isTs=!0),d=Qe((e=>{postMessage({cmd:P,type:ue,value:e})})),Qt.startStreamRateAndStatsInterval(),t.isFmp4&&(Xt.listenMp4Box(),Qt._opt.isFmp4Private&&Xt.initTransportDescarmber()),t.protocol===h?(y=new ct(Qt.demuxFlv()),fetch(e,{signal:a.signal}).then((e=>{if(at(jt))return Qt.debug.log("worker","request abort and run res.body.cancel()"),Qt.fetchStatus=Pe,void e.body.cancel();if(!function(e){return e.ok&&e.status>=200&&e.status<=299}(e))return Qt.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),qt(),void postMessage({cmd:P,type:ye.fetchError,value:`fetch response status is ${e.status} and ok is ${e.ok}`});if(postMessage({cmd:P,type:pe}),"undefined"!=typeof WritableStream)Qt.writableStream=new WritableStream({write:e=>a&&a.signal&&a.signal.aborted?(Qt.debug.log("worker","writableStream write() and abortController.signal.aborted is true so return"),void(Qt.fetchStatus=ze)):at(jt)?(Qt.debug.log("worker","writableStream write() and requestAbort is true so return"),void(Qt.fetchStatus=ze)):(Qt.fetchStatus=Le,d(e.byteLength),void(t.isFlv?y.write(e):t.isFmp4?Qt.demuxFmp4(e):t.isMpeg4?Qt.demuxMpeg4(e):t.isTs&&Qt.demuxTs(e))),close:()=>{Qt.fetchStatus=ze,y=null,qt(),postMessage({cmd:P,type:le,value:c,msg:"fetch done"})},abort:e=>{if(a&&a.signal&&a.signal.aborted)return Qt.debug.log("worker","writableStream abort() and abortController.signal.aborted is true so return"),void(Qt.fetchStatus=ze);y=null,e.name!==Ce&&(qt(),postMessage({cmd:P,type:ye.fetchError,value:e.toString()}))}}),e.body.pipeTo(Qt.writableStream);else{const r=e.body.getReader(),i=()=>{r.read().then((({done:e,value:r})=>e?(Qt.fetchStatus=ze,y=null,qt(),void postMessage({cmd:P,type:le,value:c,msg:"fetch done"})):a&&a.signal&&a.signal.aborted?(Qt.debug.log("worker","fetchNext().then() and abortController.signal.aborted is true so return"),void(Qt.fetchStatus=ze)):at(jt)?(Qt.debug.log("worker","fetchNext().then() and requestAbort is true so return"),void(Qt.fetchStatus=ze)):(Qt.fetchStatus=Le,d(r.byteLength),t.isFlv?y.write(r):t.isFmp4?Qt.demuxFmp4(r):t.isMpeg4&&Qt.demuxMpeg4(r),void i()))).catch((e=>{if(a&&a.signal&&a.signal.aborted)return Qt.debug.log("worker","fetchNext().catch() and abortController.signal.aborted is true so return"),void(Qt.fetchStatus=ze);y=null,e.name!==Ce&&(qt(),postMessage({cmd:P,type:ye.fetchError,value:e.toString()}))}))};i()}})).catch((e=>{a&&a.signal&&a.signal.aborted?Qt.debug.log("worker","fetch().catch() and abortController.signal.aborted is true so return"):e.name!==Ce&&(qt(),postMessage({cmd:P,type:ye.fetchError,value:e.toString()}),y=null)}))):t.protocol===u&&(t.isFlv&&(y=new ct(Qt.demuxFlv())),o=new WebSocket(e),o.binaryType="arraybuffer",o.onopen=()=>{Qt.debug.log("worker","fetchStream, WebsocketStream  socket open"),postMessage({cmd:P,type:pe}),postMessage({cmd:P,type:ge})},o.onclose=e=>{Qt.debug.log("worker",`fetchStream, WebsocketStream socket close and code is ${e.code}`),1006===e.code&&Qt.debug.error("worker",`fetchStream, WebsocketStream socket close abnormally and code is ${e.code}`),at(jt)?Qt.debug.log("worker","fetchStream, WebsocketStream socket close and requestAbort is true so return"):(y=null,postMessage({cmd:P,type:le,value:f,msg:e.code}))},o.onerror=e=>{Qt.debug.error("worker","fetchStream, WebsocketStream socket error",e),y=null,postMessage({cmd:P,type:ye.websocketError,value:e.isTrusted?"websocket user aborted":"websocket error"})},o.onmessage=e=>{d(e.data.byteLength),t.isFlv?y.write(e.data):t.isFmp4?Qt.demuxFmp4(e.data):t.isMpeg4?Qt.demuxMpeg4(e.data):Qt._opt.isNakedFlow?Qt.demuxNakedFlow(e.data):Qt.demuxM7s(e.data)})},demuxFlv:function*(){yield 9;const e=new ArrayBuffer(4),t=new Uint8Array(e),r=new Uint32Array(e);for(;;){t[3]=0;const e=yield 15,i=e[4];t[0]=e[7],t[1]=e[6],t[2]=e[5];const s=r[0];t[0]=e[10],t[1]=e[9],t[2]=e[8],t[3]=e[11];let n=r[0];const a=(yield s).slice();switch(i){case Z:if(a.byteLength>0){let e=a;at(Qt._opt.m7sCryptoAudio)&&(e=Qt.cryptoPayloadAudio(a)),Qt.decode(e,{type:K,ts:n})}else Qt.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${a.byteLength} and return`);break;case J:if(a.byteLength>=6){const e=a[0];if(Qt._isEnhancedH265Header(e))Qt._decodeEnhancedH265Video(a,n);else{a[0];const e=a[0]>>4===Ie;if(e&&nt(a)&&null===$t){const e=15&a[0];$t=e===we,Vt=Ft(a,$t),Qt.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${$t} and nalUnitSize is ${Vt}`)}e&&Qt.calcIframeIntervalTimestamp(n),Qt.isPlayer&&Qt.calcNetworkDelay(n),r[0]=a[4],r[1]=a[3],r[2]=a[2],r[3]=0;let t=r[0],i=Qt.cryptoPayload(a,e);Qt.decode(i,{type:X,ts:n,isIFrame:e,cts:t})}}else Qt.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${a.byteLength} and return`);break;case Q:postMessage({cmd:V,buffer:a},[a.buffer]);break;default:Qt.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===K?Qt._opt.hasAudio&&(postMessage({cmd:P,type:he,value:e.byteLength}),Qt.isPlayer?Qt.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):Qt.isPlayback&&(Qt.isPlaybackOnlyDecodeIFrame()||(Qt.isPlaybackCacheBeforeDecodeForFpsRender(),Qt.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts})))):t.type===X&&Qt._opt.hasVideo&&(postMessage({cmd:P,type:ce,value:e.byteLength}),postMessage({cmd:P,type:fe,value:t.ts}),Qt.isPlayer?Qt.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):Qt.isPlayback&&(Qt.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&Qt.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(Qt.isPlaybackCacheBeforeDecodeForFpsRender(),Qt.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return Qt._opt.isM7sCrypto?Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength>0&&Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength>0?r=function(e,t,r,i=!1){t=new Uint8Array(t),r=new Uint8Array(r);const s=e.byteLength;let n=5;for(;n<s;){let o=(a=e.slice(n,n+4))[3]|a[2]<<8|a[1]<<16|a[0]<<24;if(o>s)break;let d=e[n+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=e.slice(n+4+2,n+4+o);let s=new gr.ModeOfOperation.ctr(t,new gr.Counter(r));const a=s.decrypt(i);s=null,e.set(a,n+4+2)}n=n+4+o}var a;return e}(e,Qt._opt.cryptoKey,Qt._opt.cryptoIV,$t):Qt.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength} or cryptoIV.length is ${Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength} null`):Qt._opt.isSm4Crypto?Qt._opt.sm4CryptoKey&&t?r=function(e,t,r=!1){const i=e.byteLength;let s=5;for(;s<i;){let a=(n=e.slice(s,s+4))[3]|n[2]<<8|n[1]<<16|n[0]<<24;if(a>i)break;let o=e[s+4],d=!1;if(r?(o=o>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,d=1===o||5===o),d){const r=Ir(e.slice(s+4+2,s+4+a),t,0,{padding:"none",output:"array"});e.set(r,s+4+2)}s=s+4+a}var n;return e}(e,Qt._opt.sm4CryptoKey):Qt._opt.sm4CryptoKey||Qt.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):Qt._opt.isXorCrypto&&(Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength>0&&Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength>0?r=function(e,t,r,i=!1){const s=e.byteLength;let n=5;for(;n<s;){let o=(a=e.slice(n,n+4))[3]|a[2]<<8|a[1]<<16|a[0]<<24;if(o>s)break;let d=e[n+4],l=!1;if(i?(d=d>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(d)):(d&=31,l=1===d||5===d),l){const i=Rr(e.slice(n+4,n+4+o),t,r);e.set(i,n+4)}n=n+4+o}var a;return e}(e,Qt._opt.cryptoKey,Qt._opt.cryptoIV,$t):Qt.debug.error("worker",`isXorCrypto cryptoKey.length is ${Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength} or cryptoIV.length is ${Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength} null`)),r},cryptoPayloadAudio:function(e){let t=e;if(Qt._opt.isM7sCrypto)if(Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength>0&&Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength>0){e[0]>>4===Ue.AAC&&(t=function(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let s=new gr.ModeOfOperation.ctr(t,new gr.Counter(r));const n=s.decrypt(i);return s=null,e.set(n,32),e}(e,Qt._opt.cryptoKey,Qt._opt.cryptoIV))}else Qt.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Qt._opt.cryptoKey&&Qt._opt.cryptoKey.byteLength} or cryptoIV.length is ${Qt._opt.cryptoIV&&Qt._opt.cryptoIV.byteLength} null`);return t},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(Wt=r===Ue.AAC?i?16:8:0===i?8:16,er&&er.setCodec)if(We(e)||r===Ue.ALAW||r===Ue.MULAW||r===Ue.MP3){Qt.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${r}`);const i=r===Ue.AAC?e.slice(2):new Uint8Array(0);er.setCodec(r,Qt._opt.sampleRate,i),r===Ue.AAC&&postMessage({cmd:k,buffer:i},[i.buffer]),$e=!0,r!==Ue.AAC&&(r===Ue.MP3?(Qt.mp3Demuxer||(Qt.mp3Demuxer=new zr(Qt),Qt.mp3Demuxer.on("data",((e,t)=>{er.decode(e,t)}))),Qt.mp3Demuxer.dispatch(e.slice(1),t)):er.decode(e.slice(1),t))}else Qt.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",r);else Qt.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,t){if(Qt.isDestroyed)Qt.debug.log("worker","decodeAudio, decoder is destroyed and return");else if(at(r)&&at(Qt._opt.mseDecodeAudio))postMessage({cmd:I,payload:e,ts:t,cts:t},[e.buffer]);else{const r=e[0]>>4;$e?r===Ue.MP3?Qt.mp3Demuxer.dispatch(e.slice(1),t):er.decode(r===Ue.AAC?e.slice(2):e.slice(1),t):Qt.setCodecAudio(e,t)}},setCodecVideo:function(e){const t=15&e[0];if(tr&&tr.setCodec)if(nt(e))if(t===ve||t===we){Qt.debug.log("worker",`setCodecVideo: init video codec , codecId is ${t}`);const r=e.slice(5);if(t===ve&&Qt._opt.useSIMD){const e=gt(r);if(e.codecWidth>4080||e.codecHeight>4080)return postMessage({cmd:O}),void Qt.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}const i=new Uint8Array(e);Fe=!0,tr.setCodec(t,r),postMessage({cmd:T,code:t}),postMessage({cmd:C,buffer:i,codecId:t},[i.buffer])}else Qt.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else Qt.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else Qt.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,t,i,s=0){if(Qt.isDestroyed)Qt.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(at(r))postMessage({cmd:F,payload:e,isIFrame:i,ts:t,cts:s,delay:Qt.delay},[e.buffer]);else if(Fe)if(!Je&&i&&(Je=!0),Je){if(i&&nt(e)){const t=15&e[0];let r={};if(t===ve){r=gt(e.slice(5))}else t===we&&(r=function(e){let t={codecWidth:0,codecHeight:0,videoType:Te.h265,width:0,height:0,profile:0,level:0};e=e.slice(5);do{let r={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(r.configurationVersion=e[0],1!=r.configurationVersion)break;r.general_profile_space=e[1]>>6&3,r.general_tier_flag=e[1]>>5&1,r.general_profile_idc=31&e[1],r.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],r.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],r.general_constraint_indicator_flags=r.general_constraint_indicator_flags<<16|e[10]<<8|e[11],r.general_level_idc=e[12],r.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],r.parallelismType=3&e[15],r.chromaFormat=3&e[16],r.bitDepthLumaMinus8=7&e[17],r.bitDepthChromaMinus8=7&e[18],r.avgFrameRate=e[19]<<8|e[20],r.constantFrameRate=e[21]>>6&3,r.numTemporalLayers=e[21]>>3&7,r.temporalIdNested=e[21]>>2&1,r.lengthSizeMinusOne=3&e[21];let i=e[22],s=e.slice(23);for(let e=0;e<i&&!(s.length<3);e++){let e=63&s[0],i=s[1]<<8|s[2];s=s.slice(3);for(let n=0;n<i&&!(s.length<2);n++){let i=s[0]<<8|s[1];if(s.length<2+i)break;if(s=s.slice(2),33==e){let e=new Uint8Array(i);e.set(s.slice(0,i),0),r.psps=It(e),t.profile=r.general_profile_idc,t.level=r.general_level_idc/30,t.width=r.psps.pic_width_in_luma_samples-(r.psps.conf_win_left_offset+r.psps.conf_win_right_offset),t.height=r.psps.pic_height_in_luma_samples-(r.psps.conf_win_top_offset+r.psps.conf_win_bottom_offset)}s=s.slice(i)}}}while(0);return t.codecWidth=t.width||1920,t.codecHeight=t.height||1080,t.presentHeight=t.codecHeight,t.presentWidth=t.codecWidth,t.timescale=1e3,t.refSampleDuration=1e3/23976*1e3,t}(e));r.codecWidth&&r.codecHeight&&v&&De&&(r.codecWidth!==v||r.codecHeight!==De)&&(Qt.debug.warn("worker",`\n                            decodeVideo: video width or height is changed,\n                            old width is ${v}, old height is ${De},\n                            new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                            and emit change event`),Gt=!0,postMessage({cmd:M}))}if(Gt)return void Qt.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(Ht)return void Qt.debug.warn("worker","decodeVideo: simd decode error, and return");if(nt(e))return void Qt.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void Qt.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const r=e.slice(5);tr.decode(r,i?1:0,t)}else Qt.debug.log("worker","decodeVideo first frame is not iFrame");else Qt.setCodecVideo(e)},clearBuffer:function(e=!1){Qt.debug.log("worker",`clearBuffer,bufferList length is ${i.length}, need clear is ${e}`),e&&(i=[]),Qt.isPlayer&&(Qt.resetAllDelay(),at(Qt._opt.checkFirstIFrame)&&(Qt.dropping=!0,postMessage({cmd:z}))),at(Qt._opt.checkFirstIFrame)&&ot(r)&&(Je=!1)},dropBuffer$2:function(){if(i.length>0){let e=i.findIndex((e=>at(e.isIFrame)&&e.type===X));if(Qt.isAllIframeInBufferList())for(let t=0;t<i.length;t++){const r=i[t],s=Qt.getDelayNotUpdateDelay(r.ts,r.type);if(s>=Qt.getNotDroppingDelayTs()){Qt.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${s} and notDroppingDelayTs is ${Qt.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){Qt.isPushDropping=!0,postMessage({cmd:z});const t=i.length;i=i.slice(e);const r=i.shift();Qt.resetAllDelay(),Qt.getDelay(r.ts,r.type),Qt.doDecode(r),Qt.isPushDropping=!1,Qt.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${i.length} and new delay is ${Qt.delay} `)}else Qt.isPushDropping=!1}0===i.length&&(Qt.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),r=t.getUint32(1,!1),i=t.getUint8(0),s=new ArrayBuffer(4),n=new Uint32Array(s);switch(i){case K:Qt.decode(new Uint8Array(e,5),{type:K,ts:r});break;case X:if(t.byteLength>=11){const i=new Uint8Array(e,5),s=i[0];if(Qt._isEnhancedH265Header(s))Qt._decodeEnhancedH265Video(i,r);else{const e=t.getUint8(5)>>4==1;if(e&&(Qt.calcIframeIntervalTimestamp(r),nt(i)&&null===$t)){const e=15&i[0];$t=e===we}Qt.isPlayer&&Qt.calcNetworkDelay(r),n[0]=i[4],n[1]=i[3],n[2]=i[2],n[3]=0;let s=n[0],a=Qt.cryptoPayload(i,e);Qt.decode(a,{type:X,ts:r,isIFrame:e,cts:s})}}else Qt.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){Kt.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);Xt.dispatch(t)},demuxMpeg4:function(e){Zt.dispatch(e)},demuxTs:function(e){Jt.dispatch(e)},_decodeEnhancedH265Video:function(e,t){const r=e[0],i=48&r,s=15&r,n=e.slice(1,5),a=new ArrayBuffer(4),o=new Uint32Array(a),d="a"==String.fromCharCode(n[0]);if($t=ot(d),s===Re){if(i===Oe){const r=e.slice(5);if(d);else{const i=new Uint8Array(5+r.length);i.set([28,0,0,0,0],0),i.set(r,5),Vt=Ft(e,$t),Qt.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${$t} and nalUnitSize is ${Vt}`),Qt.decode(i,{type:X,ts:t,isIFrame:!0,cts:0})}}}else if(s===Me){let r=e,s=0;const n=i===Oe;if(n&&Qt.calcIframeIntervalTimestamp(t),d);else{o[0]=e[4],o[1]=e[3],o[2]=e[2],o[3]=0,s=o[0];r=Lt(e.slice(8),n),r=Qt.cryptoPayload(r,n),Qt.decode(r,{type:X,ts:t,isIFrame:n,cts:s})}}else if(s===Ne){const r=i===Oe;r&&Qt.calcIframeIntervalTimestamp(t);let s=Lt(e.slice(5),r);s=Qt.cryptoPayload(s,r),Qt.decode(s,{type:X,ts:t,isIFrame:r,cts:0})}},_isEnhancedH265Header:function(e){return!(128&~e)},findSei:function(e,t){let r=4;tt(Vt)||(r=Vt);Ct(e.slice(5),r).forEach((e=>{const r=$t?e[0]>>>1&63:31&e[0];($t&&(r===Ae.suffixSei||r===Ae.prefixSei)||ot($t)&&r===xe.kSliceSEI)&&postMessage({cmd:$,buffer:e,ts:t},[e.buffer])}))},flvHasUnitTypeIDR(e,t){const r=Ct(e.slice(5));let i=!1;return r.forEach((e=>{const r=t?e[0]>>>1&63:31&e[0];(t&&(r===Ae.iFrame||r===Ae.nLp)||ot(t)&&r===xe.iFrame)&&(i=!0)})),i},calcNetworkDelay:function(e){if(!(Je&&e>0))return;null===ut?(ut=e,ht=Ze()):e<ut&&(Qt.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${ut}`),ut=e,ht=Ze());const t=e-ut,r=Ze()-ht,i=r>t?r-t:0;Qt.networkDelay=i,i>Qt._opt.networkDelay&&Qt._opt.playType===p&&(Qt.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${ut} vs start is ${t},local diff is ${r} ,delay is ${i}`),postMessage({cmd:P,type:_e,value:i}))},calcIframeIntervalTimestamp:function(e){null===Bt?Bt=e:Bt<e&&(Ut=e-Bt,postMessage({cmd:L,value:Ut}),Bt=e)},canVisibilityDecodeNotDrop:function(){return Qt._opt.visibility&&v*De<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return Qt.isPlayback&&Qt._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return Qt._opt.playbackRate>=Qt._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return Qt.isPlayer&&Qt._opt.useMSE&&at(r)},isPlayUseMSEAndDecoderInWorker:function(){return Qt.isPlayUseMSE()&&Qt._opt.mseDecoderUseWorker},playbackUpdatePlaybackRate:function(){Qt.clearBuffer(!0)},onOffscreenCanvasWebglContextLost:function(e){Qt.debug.error("worker","handleOffscreenCanvasWebglContextLost and next try to create webgl"),e.preventDefault(),Ot=!0,Qt.webglObj.destroy(),Qt.webglObj=null,Qt.offscreenCanvasGL=null,setTimeout((()=>{Qt.offscreenCanvasGL=Qt.offscreenCanvas.getContext("webgl"),Qt.offscreenCanvasGL&&Qt.offscreenCanvasGL.getContextAttributes().stencil?(Qt.webglObj=l(Qt.offscreenCanvasGL,Qt._opt.openWebglAlignment),Ot=!1):Qt.debug.error("worker","handleOffscreenCanvasWebglContextLost, stencil is false")}),500)},onOffscreenCanvasWebglContextRestored:function(e){Qt.debug.log("worker","handleOffscreenCanvasWebglContextRestored"),e.preventDefault()},videoInfo:function(e,t,r){postMessage({cmd:T,code:e}),postMessage({cmd:S,w:t,h:r}),v=t,De=r,Qt.useOffscreen()&&(Qt.offscreenCanvas=new OffscreenCanvas(t,r),Qt.offscreenCanvasGL=Qt.offscreenCanvas.getContext("webgl"),Qt.webglObj=l(Qt.offscreenCanvasGL,Qt._opt.openWebglAlignment),Qt.offscreenCanvas.addEventListener("webglcontextlost",Qt.onOffscreenCanvasWebglContextLost,!1),Qt.offscreenCanvas.addEventListener("webglcontextrestored",Qt.onOffscreenCanvasWebglContextRestored,!1))},audioInfo:function(e,t,r){postMessage({cmd:A,code:e}),postMessage({cmd:x,sampleRate:t,channels:r,depth:Wt}),At=r},yuvData:function(t,r){if(Qt.isDestroyed)return void Qt.debug.log("worker","yuvData, decoder is destroyed and return");const i=v*De*3/2;let s=e.HEAPU8.subarray(t,t+i),n=new Uint8Array(s);if(_t=null,Qt.useOffscreen())try{if(Ot)return;Qt.webglObj.renderYUV(v,De,n);let e=Qt.offscreenCanvas.transferToImageBitmap();postMessage({cmd:E,buffer:e,delay:Qt.delay,ts:r},[e])}catch(e){Qt.debug.error("worker","yuvData, transferToImageBitmap error is",e)}else postMessage({cmd:E,output:n,delay:Qt.delay,ts:r},[n.buffer])},pcmData:function(e,r,i){if(Qt.isDestroyed)return void Qt.debug.log("worker","pcmData, decoder is destroyed and return");let n=r,a=[],o=0,d=Qt._opt.audioBufferSize;for(let r=0;r<2;r++){let i=t.HEAPU32[(e>>2)+r]>>2;a[r]=t.HEAPF32.subarray(i,i+n)}if(xt){if(!(n>=(r=d-xt)))return xt+=n,s[0]=Float32Array.of(...s[0],...a[0]),void(2==At&&(s[1]=Float32Array.of(...s[1],...a[1])));pt[0]=Float32Array.of(...s[0],...a[0].subarray(0,r)),2==At&&(pt[1]=Float32Array.of(...s[1],...a[1].subarray(0,r))),postMessage({cmd:U,buffer:pt,ts:i},pt.map((e=>e.buffer))),o=r,n-=r}for(xt=n;xt>=d;xt-=d)pt[0]=a[0].slice(o,o+=d),2==At&&(pt[1]=a[1].slice(o-d,o)),postMessage({cmd:U,buffer:pt,ts:i},pt.map((e=>e.buffer)));xt&&(s[0]=a[0].slice(o),2==At&&(s[1]=a[1].slice(o)))},errorInfo:function(e){null===_t&&(_t=Ze());const t=Ze(),r=(i=Ut>0?2*Ut:5e3,s=1e3,n=5e3,Math.max(Math.min(i,Math.max(s,n)),Math.min(s,n)));var i,s,n;const a=t-_t;a>r&&(Qt.debug.warn("worker",`errorInfo() emit simdDecodeError and\n                iframeIntervalTimestamp is ${Ut} and diff is ${a} and maxDiff is ${r}\n                and replay`),Ht=!0,postMessage({cmd:N}))},sendWebsocketMessage:function(e){o?o.readyState===be?o.send(e):Qt.debug.error("worker","socket is not open"):Qt.debug.error("worker","socket is null")},timeEnd:function(){},postStreamToMain(e,t){postMessage({cmd:H,type:t,buffer:e},[e.buffer])}};Qt.debug=new ft(Qt);let er=null;t.AudioDecoder&&(er=new t.AudioDecoder(Qt));let tr=null;e.VideoDecoder&&(tr=new e.VideoDecoder(Qt)),postMessage({cmd:w}),self.onmessage=function(e){let t=e.data;switch(t.cmd){case ee:try{Qt._opt=Object.assign(Qt._opt,JSON.parse(t.opt))}catch(e){}Qt.init();break;case te:Qt.pushBuffer(t.buffer,t.options);break;case re:Qt.decodeAudio(t.buffer,t.ts);break;case ie:Qt.decodeVideo(t.buffer,t.ts,t.isIFrame);break;case ae:Qt.clearBuffer(t.needClear);break;case oe:Qt.fetchStream(t.url,JSON.parse(t.opt));break;case se:Qt.close();break;case ne:Qt.debug.log("worker","updateConfig",t.key,t.value),Qt._opt[t.key]=t.value,"playbackRate"===t.key&&(Qt.playbackUpdatePlaybackRate(),Qt.isPlaybackCacheBeforeDecodeForFpsRender()&&Qt.playbackCacheLoop());break;case de:Qt.sendWebsocketMessage(t.message)}}}Nr.init(),Date.now||(Date.now=function(){return(new Date).getTime()}),t({printErr:function(e){console.warn("EasyPro[❌❌❌][worker]:",e)}}).then((e=>{Or(e,e,!0)}))}));