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It{constructor(e){this.log=function(t){if(e._opt.debug&&e._opt.debugLevel==y){const n=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var r=arguments.length,i=new Array(r>1?r-1:0),s=1;s<r;s++)i[s-1]=arguments[s];console.log(`JbPro${n}[✅✅✅][${t}]`,...i)}},this.warn=function(t){if(e._opt.debug&&(e._opt.debugLevel==y||e._opt.debugLevel==b)){const n=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var r=arguments.length,i=new Array(r>1?r-1:0),s=1;s<r;s++)i[s-1]=arguments[s];console.log(`JbPro${n}[❗❗❗][${t}]`,...i)}},this.error=function(t){const r=e._opt.debugUuid?`[${e._opt.debugUuid}]`:"";for(var i=arguments.length,s=new Array(i>1?i-1:0),n=1;n<i;n++)s[n-1]=arguments[n];console.error(`JbPro${r}[❌❌❌][${t}]`,...s)}}}class Dt{constructor(e){this._buffer=e,this._buffer_index=0,this._total_bytes=e.byteLength,this._total_bits=8*e.byteLength,this._current_word=0,this._current_word_bits_left=0}destroy(){this._buffer=null}_fillCurrentWord(){let e=this._total_bytes-this._buffer_index;if(e<=0)return 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t=0;t<e;t++)r.readBool()&&(t<6?Pt._skipScalingList(r,16):Pt._skipScalingList(r,64))}r.readUEG();let u=r.readUEG();if(0===u)r.readUEG();else if(1===u){r.readBits(1),r.readSEG(),r.readSEG();let e=r.readUEG();for(let t=0;t<e;t++)r.readSEG()}let f=r.readUEG();r.readBits(1);let c=r.readUEG(),p=r.readUEG(),m=r.readBits(1);0===m&&r.readBits(1),r.readBits(1);let _=0,g=0,y=0,b=0;r.readBool()&&(_=r.readUEG(),g=r.readUEG(),y=r.readUEG(),b=r.readUEG());let v=1,w=1,S=0,E=!0,U=0,x=0;if(r.readBool()){if(r.readBool()){let e=r.readByte(),t=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],i=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(v=t[e-1],w=i[e-1]):255===e&&(v=r.readByte()<<8|r.readByte(),w=r.readByte()<<8|r.readByte())}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(4),r.readBool()&&r.readBits(24)),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool()){let e=r.readBits(32),t=r.readBits(32);E=r.readBool(),U=t,x=2*e,S=U/x}}let A=1;1===v&&1===w||(A=v/w);let B=0,C=0;if(0===o)B=1,C=2-m;else{B=3===o?1:2,C=(1===o?2:1)*(2-m)}let T=16*(c+1),k=16*(p+1)*(2-m);T-=(_+g)*B,k-=(y+b)*C;let F=Math.ceil(T*A);return r.destroy(),r=null,{profile_string:n,level_string:a,bit_depth:h,ref_frames:f,chroma_format:l,chroma_format_string:Pt.getChromaFormatString(l),frame_rate:{fixed:E,fps:S,fps_den:x,fps_num:U},sar_ratio:{width:v,height:w},codec_size:{width:T,height:k},present_size:{width:F,height:k}}}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=Pt._ebsp2rbsp(e),s=new Dt(i);s.readByte();let n=s.readByte();s.readByte();let a=s.readByte();s.readUEG();let o=Pt.getProfileString(n),l=Pt.getLevelString(a),d=1,h=420,u=[0,420,422,444],f=8,c=8;if((100===n||110===n||122===n||244===n||44===n||83===n||86===n||118===n||128===n||138===n||144===n)&&(d=s.readUEG(),3===d&&s.readBits(1),d<=3&&(h=u[d]),f=s.readUEG()+8,c=s.readUEG()+8,s.readBits(1),s.readBool())){let e=3!==d?8:12;for(let t=0;t<e;t++)s.readBool()&&(t<6?Pt._skipScalingList(s,16):Pt._skipScalingList(s,64))}s.readUEG();let p=s.readUEG();if(0===p)s.readUEG();else if(1===p){s.readBits(1),s.readSEG(),s.readSEG();let e=s.readUEG();for(let t=0;t<e;t++)s.readSEG()}let m=s.readUEG();s.readBits(1);let _=s.readUEG(),g=s.readUEG(),y=s.readBits(1);0===y&&s.readBits(1),s.readBits(1);let b=0,v=0,w=0,S=0;s.readBool()&&(b=s.readUEG(),v=s.readUEG(),w=s.readUEG(),S=s.readUEG());let E=1,U=1,x=0,A=!0,B=0,C=0;if(s.readBool()){if(s.readBool()){let e=s.readByte(),t=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],r=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(E=t[e-1],U=r[e-1]):255===e&&(E=s.readByte()<<8|s.readByte(),U=s.readByte()<<8|s.readByte())}if(s.readBool()&&s.readBool(),s.readBool()&&(s.readBits(4),s.readBool()&&s.readBits(24)),s.readBool()&&(s.readUEG(),s.readUEG()),s.readBool()){let e=s.readBits(32),t=s.readBits(32);A=s.readBool(),B=t,C=2*e,x=B/C}}let T=1;1===E&&1===U||(T=E/U);let k=0,F=0;if(0===d)k=1,F=2-y;else{k=3===d?1:2,F=(1===d?2:1)*(2-y)}let I=16*(_+1),D=16*(g+1)*(2-y);I-=(b+v)*k,D-=(w+S)*F;let P=Math.ceil(I*T);return s.destroy(),s=null,{codec_mimetype:r,profile_idc:n,level_idc:a,profile_string:o,level_string:l,chroma_format_idc:d,bit_depth:f,bit_depth_luma:f,bit_depth_chroma:c,ref_frames:m,chroma_format:h,chroma_format_string:Pt.getChromaFormatString(h),frame_rate:{fixed:A,fps:x,fps_den:C,fps_num:B},sar_ratio:{width:E,height:U},codec_size:{width:I,height:D},present_size:{width:P,height:D}}}static _skipScalingList(e,t){let r=8,i=8,s=0;for(let n=0;n<t;n++)0!==i&&(s=e.readSEG(),i=(r+s+256)%256),r=0===i?r:i}static getProfileString(e){switch(e){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(e){return(e/10).toFixed(1)}static getChromaFormatString(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}class Lt{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,r=0;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,r=this.bufoff+e>8?8-this.bufoff:e,t<<=r,t+=this.buffer[this.bufpos]>>8-this.bufoff-r&255>>8-r,this.bufoff+=r,e-=r,8==this.bufoff&&(this.bufpos++,this.bufoff=0)}return t}look(e){let t=this.bufpos,r=this.bufoff,i=this.read(e);return this.bufpos=t,this.bufoff=r,i}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function zt(e){const t={},r=new DataView(e.buffer);let i=r.getUint8(0),s=r.getUint8(1);if(r.getUint8(2),r.getUint8(3),1!==i||0===s)return{};const n=1+(3&r.getUint8(4));if(3!==n&&4!==n)return{};let a=31&r.getUint8(5);if(0===a)return{};let o=6;for(let i=0;i<a;i++){let s=r.getUint16(o,!1);if(o+=2,0===s)continue;let n=new Uint8Array(e.buffer,o,s);o+=s;let a=Pt.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 l=t.frameRate.fps_den,d=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(l/d);let h=n.subarray(1,4),u="avc1.";for(let e=0;e<3;e++){let t=h[e].toString(16);t.length<2&&(t="0"+t),u+=t}t.codec=u}let l=r.getUint8(o);if(0===l)return{};o++;for(let i=0;i<l;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 Uint8Array(e+4);i.set(r,0),i.set(t.sps,4),t.sps=i}if(t.pps){const e=t.pps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.pps,4),t.pps=i}return t}function Rt(e){let{sps:t,pps:r}=e;const i=[23,0,0,0,0,1,66,0,30,255];i[0]=23,i[6]=t[1],i[7]=t[2],i[8]=t[3],i[10]=225,i[11]=t.byteLength>>8&255,i[12]=255&t.byteLength,i.push(...t,1,r.byteLength>>8&255,255&r.byteLength,...r);return new Uint8Array(i)}function Mt(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function Nt(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function Ot(e){return 31&e[0]}function Gt(e){return e===Le}function $t(e){return!function(e){return e===Ie||e===De}(e)&&!Gt(e)}function Ht(e){return e===Pe}function Vt(e){if(0===e.length)return!1;const t=Ot(e[0]);for(let r=1;r<e.length;r++)if(t!==Ot(e[r]))return!1;return!0}const Wt=e=>{let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)},jt=e=>{switch(e){case 0:return"4:0:0";case 1:return"4:2:0";case 2:return"4:2:2";case 3:return"4:4:4";default:return"Unknown"}};function Yt(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return(e[t]<<24>>>0)+(e[t+1]<<16)+(e[t+2]<<8)+(e[t+3]||0)}function qt(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4;if(e.length<4)return;const r=e.length,i=[];let s,n=0;for(;n+t<r;)if(s=Yt(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 Kt(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 Xt(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 Zt(e){let t={width:0,height:0,profile:0,level:0};e=e.slice(5);do{let r={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(r.configurationVersion=e[0],1!=r.configurationVersion)break;r.general_profile_space=e[1]>>6&3,r.general_tier_flag=e[1]>>5&1,r.general_profile_idc=31&e[1],r.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],r.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],r.general_constraint_indicator_flags=r.general_constraint_indicator_flags<<16|e[10]<<8|e[11],r.general_level_idc=e[12],r.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],r.parallelismType=3&e[15],r.chromaFormat=3&e[16],r.bitDepthLumaMinus8=7&e[17],r.bitDepthChromaMinus8=7&e[18],r.avgFrameRate=e[19]<<8|e[20],r.constantFrameRate=e[21]>>6&3,r.numTemporalLayers=e[21]>>3&7,r.temporalIdNested=e[21]>>2&1,r.lengthSizeMinusOne=3&e[21];let i=e[22],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=Jt(e,r),t.profile=r.general_profile_idc,t.level=r.general_level_idc/30,t.width=r.psps.pic_width_in_luma_samples-(r.psps.conf_win_left_offset+r.psps.conf_win_right_offset),t.height=r.psps.pic_height_in_luma_samples-(r.psps.conf_win_top_offset+r.psps.conf_win_bottom_offset)}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.videoType=je,t}function Jt(e,t){let r={},i=e.length,s=[],n=new Lt(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 Lt(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 Qt(e){let{vps:t,pps:r,sps:i}=e,s={configurationVersion:1};const n=(e=>{let t=Wt(e),r=new Dt(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}})(t),a=(e=>{let t=Wt(e),r=new Dt(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 l=r.readBits(2),d=r.readBool(),h=r.readBits(5),u=r.readByte(),f=r.readByte(),c=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 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t=!1;if(0!==e&&(t=r.readBool()),t){e===k&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=F;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}F=t}else{let e=r.readUEG(),t=r.readUEG();F=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 I=!1,D=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(),t=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],i=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(P=t[e-1],L=i[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())),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),I=r.readBool(),I&&(i+=r.readUEG(),s+=r.readUEG(),n+=r.readUEG(),a+=r.readUEG()),r.readBool()&&(R=r.readBits(32),M=r.readBits(32),r.readBool()&&(r.readUEG(),r.readBool()))){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let 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(),D=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let N=`hvc1.${h}.1.L${w}.B0`,O=x,G=A,$=1;return 1!==P&&1!==L&&($=P/L),r.destroy(),r=null,{codec_mimetype:N,level_string:(H=w,(H/30).toFixed(1)),profile_idc:h,bit_depth:B+8,ref_frames:1,chroma_format:U,chroma_format_string:jt(U),general_level_idc:w,general_profile_space:l,general_tier_flag:d,general_profile_idc:h,general_profile_compatibility_flags_1:u,general_profile_compatibility_flags_2:f,general_profile_compatibility_flags_3:c,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:D,constant_frame_rate:0,chroma_format_idc:U,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:C,frame_rate:{fixed:z,fps:M/R,fps_den:R,fps_num:M},sar_ratio:{width:P,height:L},codec_size:{width:O,height:G},present_size:{width:O*$,height:G}};var H})(i),o=(e=>{let t=Wt(e),r=new Dt(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}})(r);s=Object.assign(s,n,a,o);let l=23+(5+t.byteLength)+(5+i.byteLength)+(5+r.byteLength),d=new 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Fr(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 Ir=function(e){if(!(this instanceof Ir))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:dr(e,!0)}),this._prepare()};Ir.prototype._prepare=function(){var e=mr[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=Fr(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,l=s;l<i;){if(a=n[s-1],n[0]^=gr[a>>16&255]<<24^gr[a>>8&255]<<16^gr[255&a]<<8^gr[a>>24&255]^_r[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]^=gr[255&a]^gr[a>>8&255]<<8^gr[a>>16&255]<<16^gr[a>>24&255]<<24;for(t=s/2+1;t<s;t++)n[t]^=n[t-1]}for(t=0;t<s&&l<i;)d=l>>2,h=l%4,this._Ke[d][h]=n[t],this._Kd[e-d][h]=n[t++],l++}for(var d=1;d<e;d++)for(var h=0;h<4;h++)a=this._Kd[d][h],this._Kd[d][h]=Br[a>>24&255]^Cr[a>>16&255]^Tr[a>>8&255]^kr[255&a]},Ir.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=Fr(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]=br[i[s]>>24&255]^vr[i[(s+1)%4]>>16&255]^wr[i[(s+2)%4]>>8&255]^Sr[255&i[(s+3)%4]]^this._Ke[n][s];i=r.slice()}var a,o=hr(16);for(s=0;s<4;s++)a=this._Ke[t][s],o[4*s]=255&(gr[i[s]>>24&255]^a>>24),o[4*s+1]=255&(gr[i[(s+1)%4]>>16&255]^a>>16),o[4*s+2]=255&(gr[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(gr[255&i[(s+3)%4]]^a);return o},Ir.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=Fr(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]=Er[i[s]>>24&255]^Ur[i[(s+3)%4]>>16&255]^xr[i[(s+2)%4]>>8&255]^Ar[255&i[(s+1)%4]]^this._Kd[n][s];i=r.slice()}var a,o=hr(16);for(s=0;s<4;s++)a=this._Kd[t][s],o[4*s]=255&(yr[i[s]>>24&255]^a>>24),o[4*s+1]=255&(yr[i[(s+3)%4]>>16&255]^a>>16),o[4*s+2]=255&(yr[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(yr[255&i[(s+1)%4]]^a);return o};var Dr=function(e){if(!(this instanceof Dr))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new Ir(e)};Dr.prototype.encrypt=function(e){if((e=dr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=hr(e.length),r=hr(16),i=0;i<e.length;i+=16)ur(e,r,0,i,i+16),ur(r=this._aes.encrypt(r),t,i);return t},Dr.prototype.decrypt=function(e){if((e=dr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=hr(e.length),r=hr(16),i=0;i<e.length;i+=16)ur(e,r,0,i,i+16),ur(r=this._aes.decrypt(r),t,i);return t};var Pr=function(e,t){if(!(this instanceof Pr))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=hr(16);this._lastCipherblock=dr(t,!0),this._aes=new Ir(e)};Pr.prototype.encrypt=function(e){if((e=dr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=hr(e.length),r=hr(16),i=0;i<e.length;i+=16){ur(e,r,0,i,i+16);for(var s=0;s<16;s++)r[s]^=this._lastCipherblock[s];this._lastCipherblock=this._aes.encrypt(r),ur(this._lastCipherblock,t,i)}return t},Pr.prototype.decrypt=function(e){if((e=dr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=hr(e.length),r=hr(16),i=0;i<e.length;i+=16){ur(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];ur(e,this._lastCipherblock,0,i,i+16)}return t};var Lr=function(e,t,r){if(!(this instanceof Lr))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=hr(16);r||(r=1),this.segmentSize=r,this._shiftRegister=dr(t,!0),this._aes=new Ir(e)};Lr.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,r=dr(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];ur(this._shiftRegister,this._shiftRegister,0,this.segmentSize),ur(r,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r},Lr.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,r=dr(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];ur(this._shiftRegister,this._shiftRegister,0,this.segmentSize),ur(e,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r};var zr=function(e,t){if(!(this instanceof zr))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=hr(16);this._lastPrecipher=dr(t,!0),this._lastPrecipherIndex=16,this._aes=new Ir(e)};zr.prototype.encrypt=function(e){for(var t=dr(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},zr.prototype.decrypt=zr.prototype.encrypt;var Rr=function(e){if(!(this instanceof Rr))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=hr(16),this.setValue(e)):this.setBytes(e)};Rr.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)},Rr.prototype.setBytes=function(e){if(16!=(e=dr(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},Rr.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var Mr=function(e,t){if(!(this instanceof Mr))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof Rr||(t=new Rr(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new Ir(e)};Mr.prototype.encrypt=function(e){for(var t=dr(e,!0),r=0;r<t.length;r++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[r]^=this._remainingCounter[this._remainingCounterIndex++];return t},Mr.prototype.decrypt=Mr.prototype.encrypt;const Nr={AES:Ir,Counter:Rr,ModeOfOperation:{ecb:Dr,cbc:Pr,cfb:Lr,ofb:zr,ctr:Mr},utils:{hex:pr,utf8:cr},padding:{pkcs7:{pad:function(e){var t=16-(e=dr(e,!0)).length%16,r=hr(e.length+t);ur(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=dr(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=hr(r);return ur(e,s,0,0,r),s}}},_arrayTest:{coerceArray:dr,createArray:hr,copyArray:ur}};function Or(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function Gr(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];t=new Uint8Array(t),r=new Uint8Array(r);const s=e.byteLength;let n=5;for(;n<s;){let a=Or(e.slice(n,n+4));if(a>s)break;let o=e[n+4],l=!1;if(i?(o=o>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,l=1===o||5===o),l){const i=e.slice(n+4+2,n+4+a);let s=new Nr.ModeOfOperation.ctr(t,new Nr.Counter(r));const o=s.decrypt(i);s=null,e.set(o,n+4+2)}n=n+4+a}return e}function $r(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let s=new Nr.ModeOfOperation.ctr(t,new Nr.Counter(r));const n=s.decrypt(i);return s=null,e.set(n,32),e}var Hr=nt((function(e,t){var r,s,n,a=(r=new Date,s=4,n={setLogLevel:function(e){s=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>=s&&console.debug("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=s&&console.info("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=s&&console.warn("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=s&&console.error("["+a.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},n);a.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length<t;)r[0]="0"+r[0];return r.join(".")}e<0?(r=!0,e=-e):r=!1;var 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)},a.printRanges=function(e){var t=e.length;if(t>0){for(var r="",i=0;i<t;i++)i>0&&(r+=","),r+="["+a.getDurationString(e.start(i))+","+a.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=a;var o=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};o.prototype.getPosition=function(){return this.position},o.prototype.getEndPosition=function(){return this.buffer.byteLength},o.prototype.getLength=function(){return this.buffer.byteLength},o.prototype.seek=function(e){var t=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(t)||!isFinite(t)?0:t,!0},o.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},o.prototype.readAnyInt=function(e,t){var r=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:r=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:r=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";r=this.dataview.getUint8(this.position)<<16,r|=this.dataview.getUint8(this.position+1)<<8,r|=this.dataview.getUint8(this.position+2);break;case 4:r=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";r=this.dataview.getUint32(this.position)<<32,r|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,r}throw"Not enough bytes in buffer"},o.prototype.readUint8=function(){return this.readAnyInt(1,!1)},o.prototype.readUint16=function(){return this.readAnyInt(2,!1)},o.prototype.readUint24=function(){return this.readAnyInt(3,!1)},o.prototype.readUint32=function(){return this.readAnyInt(4,!1)},o.prototype.readUint64=function(){return this.readAnyInt(8,!1)},o.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",r=0;r<e;r++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},o.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},o.prototype.readInt8=function(){return this.readAnyInt(1,!0)},o.prototype.readInt16=function(){return this.readAnyInt(2,!0)},o.prototype.readInt32=function(){return this.readAnyInt(4,!0)},o.prototype.readInt64=function(){return this.readAnyInt(8,!1)},o.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),r=0;r<e;r++)t[r]=this.readUint8();return t},o.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readInt16();return t},o.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readUint16();return t},o.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),r=0;r<e;r++)t[r]=this.readUint32();return t},o.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),r=0;r<e;r++)t[r]=this.readInt32();return t},t.MP4BoxStream=o;var l=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?l.LITTLE_ENDIAN:r};l.prototype={},l.prototype.getPosition=function(){return this.position},l.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}}},l.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var e=new ArrayBuffer(this._byteLength),t=new Uint8Array(e),r=new Uint8Array(this._buffer,0,t.length);t.set(r),this.buffer=e}},l.BIG_ENDIAN=!1,l.LITTLE_ENDIAN=!0,l.prototype._byteLength=0,Object.defineProperty(l.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(l.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(e){this._buffer=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(l.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(l.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset,this._buffer=e.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+e.byteLength}}),l.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},l.prototype.isEof=function(){return this.position>=this._byteLength},l.prototype.mapUint8Array=function(e){this._realloc(1*e);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},l.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return l.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},l.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return l.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},l.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},l.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},l.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},l.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},l.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},l.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},l.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,l.memcpy=function(e,t,r,i,s){var n=new Uint8Array(e,t,s),a=new Uint8Array(r,i,s);n.set(a)},l.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},l.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},l.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;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},l.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)},l.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))},l.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);l.prototype.readInt64=function(){return this.readInt32()*d+this.readUint32()},l.prototype.readUint64=function(){return this.readUint32()*d+this.readUint32()},l.prototype.readInt64=function(){return this.readUint32()*d+this.readUint32()},l.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=l,l.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)},l.prototype._dynamicSize=!0,Object.defineProperty(l.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),l.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},l.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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])},l.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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])},l.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.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)},l.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},l.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},l.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},l.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},l.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},l.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)},l.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)))},l.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)}},l.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)}},l.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,l.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,l.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,l.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,l.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,l.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,l.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,l.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,l.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,l.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,l.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,l.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,l.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,l.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(t,l.BIG_ENDIAN,s);break;default:if(3==e.length){for(var o=e[1],d=0;d<t.length;d++)this.writeType(o,t[d]);break}this.writeStruct(e,t)}null!=s&&(this.position=a,this._realloc(s),this.position=a+s)},l.prototype.writeUint64=function(e){var t=Math.floor(e/d);this.writeUint32(t),this.writeUint32(4294967295&e)},l.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},l.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},l.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.prototype.mapInt8Array=function(e){this._realloc(1*e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},l.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},l.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r};var h=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(h.prototype=new l(new ArrayBuffer,0,l.BIG_ENDIAN)).initialized=function(){var e;return this.bufferIndex>-1||(this.buffers.length>0?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,a.debug("MultiBufferStream","Stream ready for parsing"),!0):(a.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(a.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){a.debug("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);return r.set(new Uint8Array(e),0),r.set(new Uint8Array(t),e.byteLength),r.buffer},h.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},h.prototype.insertBuffer=function(e){for(var t=!0,r=0;r<this.buffers.length;r++){var i=this.buffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.buffers.splice(r,1),r--;continue}a.warn("MultiBufferStream","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}else e.fileStart+e.byteLength<=i.fileStart||(e=this.reduceBuffer(e,0,i.fileStart-e.fileStart)),a.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(r,0,e),0===r&&(this.buffer=e);t=!1;break}if(e.fileStart<i.fileStart+i.byteLength){var s=i.fileStart+i.byteLength-e.fileStart,n=e.byteLength-s;if(!(n>0)){t=!1;break}e=this.reduceBuffer(e,s,n)}}t&&(a.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},h.prototype.logBufferLevel=function(e){var t,r,i,s,n,o=[],l="";for(i=0,s=0,t=0;t<this.buffers.length;t++)r=this.buffers[t],0===t?(n={},o.push(n),n.start=r.fileStart,n.end=r.fileStart+r.byteLength,l+="["+n.start+"-"):n.end===r.fileStart?n.end=r.fileStart+r.byteLength:((n={}).start=r.fileStart,l+=o[o.length-1].end-1+"], ["+n.start+"-",n.end=r.fileStart+r.byteLength,o.push(n)),i+=r.usedBytes,s+=r.byteLength;o.length>0&&(l+=n.end-1+"]");var d=e?a.info:a.debug;0===this.buffers.length?d("MultiBufferStream","No more buffer in memory"):d("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+s+" bytes), continuous ranges: "+l)},h.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(a.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},h.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,e),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=i,a.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},h.prototype.findPosition=function(e,t,r){var i,s=null,n=-1;for(i=!0===e?0:this.bufferIndex;i<this.buffers.length&&(s=this.buffers[i]).fileStart<=t;)n=i,r&&(s.fileStart+s.byteLength<=t?s.usedBytes=s.byteLength:s.usedBytes=t-s.fileStart,this.logBufferLevel()),i++;return-1!==n&&(s=this.buffers[n]).fileStart+s.byteLength>=t?(a.debug("MultiBufferStream","Found position in existing buffer #"+n),n):-1},h.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},h.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},h.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},h.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},h.prototype.seek=function(e,t,r){var i;return-1!==(i=this.findPosition(t,e,r))?(this.buffer=this.buffers[i],this.bufferIndex=i,this.position=e-this.buffer.fileStart,a.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(a.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},h.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},h.prototype.getLength=function(){return this.byteLength},h.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=h;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,n,o=0;for(i=t.readUint8(),n=t.readUint8();128&n;)o=(127&n)<<7,n=t.readUint8();return o+=127&n,a.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.upStream=0!=(this.streamType>>1&1),this.streamType=this.streamType>>>2,this.bufferSize=e.readUint24(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32(),this.size-=13,this.parseRemainingDescriptors(e)},r.DecoderSpecificInfo=function(e){r.Descriptor.call(this,5,e)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(e){r.Descriptor.call(this,6,e)},r.SLConfigDescriptor.prototype=new r.Descriptor,this};t.MPEG4DescriptorParser=u;var f={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){f.FullBox.prototype=new f.Box,f.ContainerBox.prototype=new f.Box,f.SampleEntry.prototype=new f.Box,f.TrackGroupTypeBox.prototype=new f.FullBox,f.BASIC_BOXES.forEach((function(e){f.createBoxCtor(e)})),f.FULL_BOXES.forEach((function(e){f.createFullBoxCtor(e)})),f.CONTAINER_BOXES.forEach((function(e){f.createContainerBoxCtor(e[0],null,e[1])}))},Box:function(e,t,r){this.type=e,this.size=t,this.uuid=r},FullBox:function(e,t,r){f.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){f.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){f.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){f.FullBox.call(this,e,t)},createBoxCtor:function(e,t){f.boxCodes.push(e),f[e+"Box"]=function(t){f.Box.call(this,e,t)},f[e+"Box"].prototype=new f.Box,t&&(f[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){f[e+"Box"]=function(t){f.FullBox.call(this,e,t)},f[e+"Box"].prototype=new f.FullBox,f[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,r=0;r<t;r++)this[e[r]+"s"]=[]}},createContainerBoxCtor:function(e,t,r){f[e+"Box"]=function(t){f.ContainerBox.call(this,e,t),f.addSubBoxArrays.call(this,r)},f[e+"Box"].prototype=new f.ContainerBox,t&&(f[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,r){f.sampleEntryCodes[e]=[],f[e+"SampleEntry"]=function(e,t){f.SampleEntry.call(this,e,t),f.addSubBoxArrays.call(this,r)},f[e+"SampleEntry"].prototype=new f.SampleEntry,t&&(f[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,r,i){f.sampleEntryCodes[e].push(t),f[t+"SampleEntry"]=function(r){f[e+"SampleEntry"].call(this,t,r),f.addSubBoxArrays.call(this,i)},f[t+"SampleEntry"].prototype=new f[e+"SampleEntry"],r&&(f[t+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(e,t,r){f.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(e,t){f[e+"SampleGroupEntry"]=function(t){f.SampleGroupEntry.call(this,e,t)},f[e+"SampleGroupEntry"].prototype=new f.SampleGroupEntry,t&&(f[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){f[e+"TrackGroupTypeBox"]=function(t){f.TrackGroupTypeBox.call(this,e,t)},f[e+"TrackGroupTypeBox"].prototype=new f.TrackGroupTypeBox,t&&(f[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,r,i){f.UUIDs.push(e),f.UUIDBoxes[e]=function(i){t?f.FullBox.call(this,"uuid",i,e):r?f.ContainerBox.call(this,"uuid",i,e):f.Box.call(this,"uuid",i,e)},f.UUIDBoxes[e].prototype=t?new f.FullBox:r?new f.ContainerBox:new f.Box,i&&(f.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),i&&i.call(this,e)}:i)}};function c(e,t){this.x=e,this.y=t}function p(e,t){this.bad_pixel_row=e,this.bad_pixel_column=t}f.initialize(),f.TKHD_FLAG_ENABLED=1,f.TKHD_FLAG_IN_MOVIE=2,f.TKHD_FLAG_IN_PREVIEW=4,f.TFHD_FLAG_BASE_DATA_OFFSET=1,f.TFHD_FLAG_SAMPLE_DESC=2,f.TFHD_FLAG_SAMPLE_DUR=8,f.TFHD_FLAG_SAMPLE_SIZE=16,f.TFHD_FLAG_SAMPLE_FLAGS=32,f.TFHD_FLAG_DUR_EMPTY=65536,f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,f.TRUN_FLAGS_DATA_OFFSET=1,f.TRUN_FLAGS_FIRST_FLAG=4,f.TRUN_FLAGS_DURATION=256,f.TRUN_FLAGS_SIZE=512,f.TRUN_FLAGS_FLAGS=1024,f.TRUN_FLAGS_CTS_OFFSET=2048,f.Box.prototype.add=function(e){return this.addBox(new f[e+"Box"])},f.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},f.Box.prototype.set=function(e,t){return this[e]=t,this},f.Box.prototype.addEntry=function(e,t){var r=t||"entries";return this[r]||(this[r]=[]),this[r].push(e),this},t.BoxParser=f,f.parseUUID=function(e){return f.parseHex16(e)},f.parseHex16=function(e){for(var t="",r=0;r<16;r++){var i=e.readUint8().toString(16);t+=1===i.length?"0"+i:i}return t},f.parseOneBox=function(e,t,r){var i,s,n,o=e.getPosition(),l=0;if(e.getEndPosition()-o<8)return a.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:f.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return a.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:f.ERR_NOT_ENOUGH_DATA};var d=e.readUint32(),h=e.readString(4),u=h;if(a.debug("BoxParser","Found box of type '"+h+"' and size "+d+" at position "+o),l=8,"uuid"==h){if(e.getEndPosition()-e.getPosition()<16||r-l<16)return e.seek(o),a.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:f.ERR_NOT_ENOUGH_DATA};l+=16,u=n=f.parseUUID(e)}if(1==d){if(e.getEndPosition()-e.getPosition()<8||r&&r-l<8)return e.seek(o),a.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+h+'" box'),{code:f.ERR_NOT_ENOUGH_DATA};d=e.readUint64(),l+=8}else if(0===d)if(r)d=r;else if("mdat"!==h)return a.error("BoxParser","Unlimited box size not supported for type: '"+h+"'"),i=new f.Box(h,d),{code:f.OK,box:i,size:i.size};return 0!==d&&d<l?(a.error("BoxParser","Box of type "+h+" has an invalid size "+d+" (too small to be a box)"),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:d,hdr_size:l,start:o}):0!==d&&r&&d>r?(a.error("BoxParser","Box of type '"+h+"' has a size "+d+" greater than its container size "+r),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:d,hdr_size:l,start:o}):0!==d&&o+d>e.getEndPosition()?(e.seek(o),a.info("BoxParser","Not enough data in stream to parse the entire '"+h+"' box"),{code:f.ERR_NOT_ENOUGH_DATA,type:h,size:d,hdr_size:l,start:o}):t?{code:f.OK,type:h,size:d,hdr_size:l,start:o}:(f[h+"Box"]?i=new f[h+"Box"](d):"uuid"!==h?(a.warn("BoxParser","Unknown box type: '"+h+"'"),(i=new f.Box(h,d)).has_unparsed_data=!0):f.UUIDBoxes[n]?i=new f.UUIDBoxes[n](d):(a.warn("BoxParser","Unknown uuid type: '"+n+"'"),(i=new f.Box(h,d)).uuid=n,i.has_unparsed_data=!0),i.hdr_size=l,i.start=o,i.write===f.Box.prototype.write&&"mdat"!==i.type&&(a.info("BoxParser","'"+u+"' 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?(a.warn("BoxParser","Parsing of box '"+u+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),e.seek(i.start+i.size)):s>0&&(a.error("BoxParser","Parsing of box '"+u+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:f.OK,box:i,size:i.size})},f.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},f.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},f.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},f.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},f.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},f.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;if(r=t.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var i="uuid"!==r.type?r.type:r.uuid;this[i]?a.warn("Box of type "+i+" already stored in field of this type"):this[i]=r}}},f.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},f.SAMPLE_ENTRY_TYPE_VISUAL="Visual",f.SAMPLE_ENTRY_TYPE_AUDIO="Audio",f.SAMPLE_ENTRY_TYPE_HINT="Hint",f.SAMPLE_ENTRY_TYPE_METADATA="Metadata",f.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",f.SAMPLE_ENTRY_TYPE_SYSTEM="System",f.SAMPLE_ENTRY_TYPE_TEXT="Text",f.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},f.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},f.SampleEntry.prototype.parseDataAndRewind=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,e.position-=this.size-this.hdr_size},f.SampleEntry.prototype.parseFooter=function(e){f.ContainerBox.prototype.parse.call(this,e)},f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_HINT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,(function(e){var t;this.parseHeader(e),e.readUint16(),e.readUint16(),e.readUint32Array(3),this.width=e.readUint16(),this.height=e.readUint16(),this.horizresolution=e.readUint32(),this.vertresolution=e.readUint32(),e.readUint32(),this.frame_count=e.readUint16(),t=Math.min(31,e.readUint8()),this.compressorname=e.readString(t),t<31&&e.readString(31-t),this.depth=e.readUint16(),e.readUint16(),this.parseFooter(e)})),f.createMediaSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,(function(e){this.parseHeader(e),e.readUint32Array(2),this.channel_count=e.readUint16(),this.samplesize=e.readUint16(),e.readUint16(),e.readUint16(),this.samplerate=e.readUint32()/65536,this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_TEXT,"enct"),f.createEncryptedSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"encm"),f.createBoxCtor("a1lx",(function(e){var t=16*(1+(1&(1&e.readUint8())));this.layer_size=[];for(var r=0;r<3;r++)this.layer_size[r]=16==t?e.readUint16():e.readUint32()})),f.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),f.createFullBoxCtor("auxC",(function(e){this.aux_type=e.readCString();var t=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=e.readUint8Array(t)})),f.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)a.error("av1C marker problem");else if(this.version=127&t,1===this.version)if(t=e.readUint8(),this.seq_profile=t>>5&7,this.seq_level_idx_0=31&t,t=e.readUint8(),this.seq_tier_0=t>>7&1,this.high_bitdepth=t>>6&1,this.twelve_bit=t>>5&1,this.monochrome=t>>4&1,this.chroma_subsampling_x=t>>3&1,this.chroma_subsampling_y=t>>2&1,this.chroma_sample_position=3&t,t=e.readUint8(),this.reserved_1=t>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=t>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&t;else if(this.reserved_2=15&t,0!==this.reserved_2)return void a.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else a.error("av1C reserved_1 parsing problem");else a.error("av1C version "+this.version+" not supported")})),f.createBoxCtor("avcC",(function(e){var t,r;for(this.configurationVersion=e.readUint8(),this.AVCProfileIndication=e.readUint8(),this.profile_compatibility=e.readUint8(),this.AVCLevelIndication=e.readUint8(),this.lengthSizeMinusOne=3&e.readUint8(),this.nb_SPS_nalus=31&e.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],t=0;t<this.nb_SPS_nalus;t++)this.SPS[t]={},this.SPS[t].length=e.readUint16(),this.SPS[t].nalu=e.readUint8Array(this.SPS[t].length),r-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),r--,this.PPS=[],t=0;t<this.nb_PPS_nalus;t++)this.PPS[t]={},this.PPS[t].length=e.readUint16(),this.PPS[t].nalu=e.readUint8Array(this.PPS[t].length),r-=2+this.PPS[t].length;r>0&&(this.ext=e.readUint8Array(r))})),f.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),f.createFullBoxCtor("ccst",(function(e){var t=e.readUint8();this.all_ref_pics_intra=128==(128&t),this.intra_pred_used=64==(64&t),this.max_ref_per_pic=(63&t)>>2,e.readUint24()})),f.createBoxCtor("cdef",(function(e){var t;for(this.channel_count=e.readUint16(),this.channel_indexes=[],this.channel_types=[],this.channel_associations=[],t=0;t<this.channel_count;t++)this.channel_indexes.push(e.readUint16()),this.channel_types.push(e.readUint16()),this.channel_associations.push(e.readUint16())})),f.createBoxCtor("clap",(function(e){this.cleanApertureWidthN=e.readUint32(),this.cleanApertureWidthD=e.readUint32(),this.cleanApertureHeightN=e.readUint32(),this.cleanApertureHeightD=e.readUint32(),this.horizOffN=e.readUint32(),this.horizOffD=e.readUint32(),this.vertOffN=e.readUint32(),this.vertOffD=e.readUint32()})),f.createBoxCtor("clli",(function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()})),f.createFullBoxCtor("cmex",(function(e){1&this.flags&&(this.pos_x=e.readInt32()),2&this.flags&&(this.pos_y=e.readInt32()),4&this.flags&&(this.pos_z=e.readInt32()),8&this.flags&&(0==this.version?16&this.flags?(this.quat_x=e.readInt32(),this.quat_y=e.readInt32(),this.quat_z=e.readInt32()):(this.quat_x=e.readInt16(),this.quat_y=e.readInt16(),this.quat_z=e.readInt16()):this.version),32&this.flags&&(this.id=e.readUint32())})),f.createFullBoxCtor("cmin",(function(e){this.focal_length_x=e.readInt32(),this.principal_point_x=e.readInt32(),this.principal_point_y=e.readInt32(),1&this.flags&&(this.focal_length_y=e.readInt32(),this.skew_factor=e.readInt32())})),f.createBoxCtor("cmpd",(function(e){for(this.component_count=e.readUint32(),this.component_types=[],this.component_type_urls=[],i=0;i<this.component_count;i++){var t=e.readUint16();this.component_types.push(t),t>=32768&&this.component_type_urls.push(e.readCString())}})),f.createFullBoxCtor("co64",(function(e){var t,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<t;r++)this.chunk_offsets.push(e.readUint64())})),f.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),f.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),f.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),f.createFullBoxCtor("cslg",(function(e){0===this.version&&(this.compositionToDTSShift=e.readInt32(),this.leastDecodeToDisplayDelta=e.readInt32(),this.greatestDecodeToDisplayDelta=e.readInt32(),this.compositionStartTime=e.readInt32(),this.compositionEndTime=e.readInt32())})),f.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&a.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),f.createBoxCtor("dac3",(function(e){var t=e.readUint8(),r=e.readUint8(),i=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|i>>5&7})),f.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var i={};this.ind_subs.push(i);var 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())}})),f.createFullBoxCtor("dfLa",(function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),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(", ")+")"})),f.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),f.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),f.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),f.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),f.createFullBoxCtor("dref",(function(e){var t,r;this.entries=[];for(var i=e.readUint32(),s=0;s<i;s++){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;r=t.box,this.entries.push(r)}})),f.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),f.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),1===this.version?(i.segment_duration=e.readUint64(),i.media_time=e.readInt64()):(i.segment_duration=e.readUint32(),i.media_time=e.readInt32()),i.media_rate_integer=e.readInt16(),i.media_rate_fraction=e.readInt16()}})),f.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),f.createEntityToGroupCtor=function(e,t){f[e+"Box"]=function(t){f.FullBox.call(this,e,t)},f[e+"Box"].prototype=new f.FullBox,f[e+"Box"].prototype.parse=function(e){if(this.parseFullHeader(e),t)t.call(this,e);else for(this.group_id=e.readUint32(),this.num_entities_in_group=e.readUint32(),this.entity_ids=[],i=0;i<this.num_entities_in_group;i++){var r=e.readUint32();this.entity_ids.push(r)}}},f.createEntityToGroupCtor("aebr"),f.createEntityToGroupCtor("afbr"),f.createEntityToGroupCtor("albc"),f.createEntityToGroupCtor("altr"),f.createEntityToGroupCtor("brst"),f.createEntityToGroupCtor("dobr"),f.createEntityToGroupCtor("eqiv"),f.createEntityToGroupCtor("favc"),f.createEntityToGroupCtor("fobr"),f.createEntityToGroupCtor("iaug"),f.createEntityToGroupCtor("pano"),f.createEntityToGroupCtor("slid"),f.createEntityToGroupCtor("ster"),f.createEntityToGroupCtor("tsyn"),f.createEntityToGroupCtor("wbbr"),f.createEntityToGroupCtor("prgr"),f.createFullBoxCtor("esds",(function(e){var t=e.readUint8Array(this.size-this.hdr_size),r=new u;this.esd=r.parseOneDescriptor(new l(t.buffer,0,l.BIG_ENDIAN))})),f.createBoxCtor("fiel",(function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()})),f.createBoxCtor("frma",(function(e){this.data_format=e.readString(4)})),f.createBoxCtor("ftyp",(function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var r=0;t>=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),f.createFullBoxCtor("hdlr",(function(e){0===this.version&&(e.readUint32(),this.handler=e.readString(4),e.readUint32Array(3),this.name=e.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),f.createBoxCtor("hvcC",(function(e){var t,r,i,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 l={};a.push(l),i=e.readUint16(),l.data=e.readUint8Array(i)}}})),f.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++){if((t=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;"infe"!==t.box.type&&a.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}})),f.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var r=0;if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var 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.readUint32()}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"}}}})),f.createBoxCtor("imir",(function(e){var t=e.readUint8();this.reserved=t>>7,this.axis=1&t})),f.createFullBoxCtor("infe",(function(e){if(0!==this.version&&1!==this.version||(this.item_ID=e.readUint16(),this.item_protection_index=e.readUint16(),this.item_name=e.readCString(),this.content_type=e.readCString(),this.content_encoding=e.readCString()),1===this.version)return this.extension_type=e.readString(4),a.warn("BoxParser","Cannot parse extension type"),void e.seek(this.start+this.size);this.version>=2&&(2===this.version?this.item_ID=e.readUint16():3===this.version&&(this.item_ID=e.readUint32()),this.item_protection_index=e.readUint16(),this.item_type=e.readString(4),this.item_name=e.readCString(),"mime"===this.item_type?(this.content_type=e.readCString(),this.content_encoding=e.readCString()):"uri "===this.item_type&&(this.item_uri_type=e.readCString()))})),f.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={};this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32();var 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}}})),f.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;(r=0===this.version?new f.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new f.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(a.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.references.push(r)}})),f.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),f.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),f.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),f.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={};this.levels[r]=i,i.track_ID=e.readUint32();var 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:a.warn("BoxParser","Unknown leva assignement type")}}})),f.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),f.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),c.prototype.toString=function(){return"("+this.x+","+this.y+")"},f.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]=new c(e.readUint16(),e.readUint16()),this.display_primaries[1]=new c(e.readUint16(),e.readUint16()),this.display_primaries[2]=new c(e.readUint16(),e.readUint16()),this.white_point=new c(e.readUint16(),e.readUint16()),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),f.createFullBoxCtor("mdhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()})),f.createFullBoxCtor("mehd",(function(e){1&this.flags&&(a.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=e.readUint64():this.fragment_duration=e.readUint32()})),f.createFullBoxCtor("meta",(function(e){this.boxes=[],f.ContainerBox.prototype.parse.call(this,e)})),f.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),f.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),f.createFullBoxCtor("mskC",(function(e){this.bits_per_pixel=e.readUint8()})),f.createFullBoxCtor("mvhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()})),f.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),f.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),f.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var r=0;r<Math.floor((t+1)/2);r++)this.padbits=e.readUint8()})),f.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),f.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),f.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),f.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<t;r++)this.rate[r]=e.readUint32(),this.initial_delay[r]=e.readUint32()})),f.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),f.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),f.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),f.createFullBoxCtor("prdi",(function(e){if(this.step_count=e.readUint16(),this.item_count=[],2&this.flags)for(var t=0;t<this.step_count;t++)this.item_count[t]=e.readUint16()})),f.createFullBoxCtor("prft",(function(e){this.ref_track_id=e.readUint32(),this.ntp_timestamp=e.readUint64(),0===this.version?this.media_time=e.readUint32():this.media_time=e.readUint64()})),f.createFullBoxCtor("pssh",(function(e){if(this.system_id=f.parseHex16(e),this.version>0){var t=e.readUint32();this.kid=[];for(var r=0;r<t;r++)this.kid[r]=f.parseHex16(e)}var i=e.readUint32();i>0&&(this.data=e.readUint8Array(i))})),f.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),f.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),f.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),f.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var r=0;r<t;r++)0===this.version?this.offset[r]=e.readUint32():this.offset[r]=e.readUint64()})),f.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<t;r++)this.sample_info_size[r]=e.readUint8()})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),f.createSampleEntryCtor(f.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),f.createSampleGroupCtor("alst",(function(e){var t,r=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<r;t++)this.sample_offset[t]=e.readUint32();var i=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<i/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),f.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),f.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=e.readUint8(),s.layerNumber=e.readUint8(),s.subSequenceIdentifier=e.readUint16()}})),f.createSampleGroupCtor("dtrt",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("mvif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("prol",(function(e){this.roll_distance=e.readInt16()})),f.createSampleGroupCtor("rap ",(function(e){var t=e.readUint8();this.num_leading_samples_known=t>>7,this.num_leading_samples=127&t})),f.createSampleGroupCtor("rash",(function(e){if(this.operation_point_count=e.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)a.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=e.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=e.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var t=0;t<this.operation_point_count;t++)this.available_bitrate[t]=e.readUint32(),this.target_rate_share[t]=e.readUint16()}this.maximum_bitrate=e.readUint32(),this.minimum_bitrate=e.readUint32(),this.discard_priority=e.readUint8()}})),f.createSampleGroupCtor("roll",(function(e){this.roll_distance=e.readInt16()})),f.SampleGroupEntry.prototype.parse=function(e){a.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},f.createSampleGroupCtor("scif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("scnm",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("seig",(function(e){this.reserved=e.readUint8();var t=e.readUint8();this.crypt_byte_block=t>>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=f.parseHex16(e),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=e.readUint8(),this.constant_IV=e.readUint8Array(this.constant_IV_size))})),f.createSampleGroupCtor("stsa",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),f.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),f.createSampleGroupCtor("tsas",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("tscl",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createSampleGroupCtor("vipr",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),f.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),i.sample_count=e.readInt32(),i.group_description_index=e.readInt32()}})),p.prototype.toString=function(){return"[row: "+this.bad_pixel_row+", column: "+this.bad_pixel_column+"]"},f.createFullBoxCtor("sbpm",(function(e){var t;for(this.component_count=e.readUint16(),this.component_index=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16());var r=e.readUint8();for(this.correction_applied=128==(128&r),this.num_bad_rows=e.readUint32(),this.num_bad_cols=e.readUint32(),this.num_bad_pixels=e.readUint32(),this.bad_rows=[],this.bad_columns=[],this.bad_pixels=[],t=0;t<this.num_bad_rows;t++)this.bad_rows.push(e.readUint32());for(t=0;t<this.num_bad_cols;t++)this.bad_columns.push(e.readUint32());for(t=0;t<this.num_bad_pixels;t++){var i=e.readUint32(),s=e.readUint32();this.bad_pixels.push(new p(i,s))}})),f.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),f.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("sdtp",(function(e){var t,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var i=0;i<r;i++)t=e.readUint8(),this.is_leading[i]=t>>6,this.sample_depends_on[i]=t>>4&3,this.sample_is_depended_on[i]=t>>2&3,this.sample_has_redundancy[i]=3&t})),f.createFullBoxCtor("senc"),f.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),a.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i;i=f[this.grouping_type+"SampleGroupEntry"]?new f[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new f.SampleGroupEntry(this.grouping_type),this.entries.push(i),1===this.version&&0===this.default_length?i.description_length=e.readUint32():i.description_length=this.default_length,i.write===f.SampleGroupEntry.prototype.write&&(a.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),i.data=e.readUint8Array(i.description_length),e.position-=i.description_length),i.parse(e)}})),f.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),r=0;r<t;r++){var i={};this.references.push(i);var 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}})),f.SingleItemTypeReferenceBox=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.SingleItemTypeReferenceBox.prototype=new f.Box,f.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint16()},f.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.SingleItemTypeReferenceBoxLarge.prototype=new f.Box,f.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint32()},f.createFullBoxCtor("SmDm",(function(e){this.primaryRChromaticity_x=e.readUint16(),this.primaryRChromaticity_y=e.readUint16(),this.primaryGChromaticity_x=e.readUint16(),this.primaryGChromaticity_y=e.readUint16(),this.primaryBChromaticity_x=e.readUint16(),this.primaryBChromaticity_y=e.readUint16(),this.whitePointChromaticity_x=e.readUint16(),this.whitePointChromaticity_y=e.readUint16(),this.luminanceMax=e.readUint32(),this.luminanceMin=e.readUint32()})),f.createFullBoxCtor("smhd",(function(e){this.balance=e.readUint16(),e.readUint16()})),f.createFullBoxCtor("ssix",(function(e){this.subsegments=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var s=e.readUint32(),n=0;n<s;n++){var a={};i.ranges.push(a),a.level=e.readUint8(),a.range_size=e.readUint24()}}})),f.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())})),f.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<t;r++)this.priority[r]=e.readUint16()})),f.createFullBoxCtor("sthd"),f.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),f.createFullBoxCtor("stsc",(function(e){var t,r;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<t;r++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),f.createFullBoxCtor("stsd",(function(e){var t,r,i,s;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;f[r.type+"SampleEntry"]?((s=new f[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,s.start=r.start):(a.warn("BoxParser","Unknown sample entry type: "+r.type),s=new f.SampleEntry(r.type,r.size,r.hdr_size,r.start)),s.write===f.SampleEntry.prototype.write&&(a.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)}})),f.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var r=0;r<t;r++)this.group_description_index[r]=e.readUint32()})),f.createFullBoxCtor("stsh",(function(e){var t,r;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<t;r++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),f.createFullBoxCtor("stss",(function(e){var t,r;if(r=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())})),f.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),f.createFullBoxCtor("stts",(function(e){var t,r,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),(i=e.readInt32())<0&&(a.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),i=1),this.sample_deltas.push(i)})),f.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,i,s=e.readUint32();for(this.stereo_indication_type=e.readString(s),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==f.OK)return;i=r.box,this.boxes.push(i),this[i.type]=i}})),f.createBoxCtor("styp",(function(e){f.ftypBox.prototype.parse.call(this,e)})),f.createFullBoxCtor("stz2",(function(e){var t,r;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),r=e.readUint32(),4===this.field_size)for(t=0;t<r;t+=2){var i=e.readUint8();this.sample_sizes[t]=i>>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint16();else a.error("BoxParser","Error in length field in stz2 box")})),f.createFullBoxCtor("subs",(function(e){var t,r,i,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()}}})),f.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=f.parseHex16(e),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=e.readUint8(),this.default_constant_IV=e.readUint8Array(this.default_constant_IV_size))})),f.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),f.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&f.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),f.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),f.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),f.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),f.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),f.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),f.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),f.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),f.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},f.createTrackGroupCtor("msrc"),f.TrackReferenceTypeBox=function(e,t,r,i){f.Box.call(this,e,t),this.hdr_size=r,this.start=i},f.TrackReferenceTypeBox.prototype=new f.Box,f.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},f.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=f.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==f.OK)return;(r=new f.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===f.Box.prototype.write&&"mdat"!==r.type&&(a.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.boxes.push(r)}},f.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=f.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==f.OK)return;box=ret.box,this.boxes.push(box)}})),f.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),f.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),f.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&f.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&f.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>t)for(var r=0;r<this.sample_count;r++)this.flags&f.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())})),f.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),f.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),f.createBoxCtor("tyco",(function(e){var t=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<t;r++)this.compatible_brands[r]=e.readString(4)})),f.createFullBoxCtor("udes",(function(e){this.lang=e.readCString(),this.name=e.readCString(),this.description=e.readCString(),this.tags=e.readCString()})),f.createFullBoxCtor("uncC",(function(e){var t;if(this.profile=e.readUint32(),1==this.version);else if(0==this.version){for(this.component_count=e.readUint32(),this.component_index=[],this.component_bit_depth_minus_one=[],this.component_format=[],this.component_align_size=[],t=0;t<this.component_count;t++)this.component_index.push(e.readUint16()),this.component_bit_depth_minus_one.push(e.readUint8()),this.component_format.push(e.readUint8()),this.component_align_size.push(e.readUint8());this.sampling_type=e.readUint8(),this.interleave_type=e.readUint8(),this.block_size=e.readUint8();var r=e.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=e.readUint32(),this.row_align_size=e.readUint32(),this.tile_align_size=e.readUint32(),this.num_tile_cols_minus_one=e.readUint32(),this.num_tile_rows_minus_one=e.readUint32()}})),f.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),f.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),f.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")})),f.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=f.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),f.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),f.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=f.parseHex16(e)})),f.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,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)}})),f.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),f.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),f.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),f.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),f.createFullBoxCtor("vvcC",(function(e){var t,r,i={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(i.stream_read_1_bytes(e),i.extract_bits(5),this.lengthSizeMinusOne=i.extract_bits(2),this.ptl_present_flag=i.extract_bits(1),this.ptl_present_flag){if(i.stream_read_2_bytes(e),this.ols_idx=i.extract_bits(9),this.num_sublayers=i.extract_bits(3),this.constant_frame_rate=i.extract_bits(2),this.chroma_format_idc=i.extract_bits(2),i.stream_read_1_bytes(e),this.bit_depth_minus8=i.extract_bits(3),i.extract_bits(5),i.stream_read_2_bytes(e),i.extract_bits(2),this.num_bytes_constraint_info=i.extract_bits(6),this.general_profile_idc=i.extract_bits(7),this.general_tier_flag=i.extract_bits(1),this.general_level_idc=e.readUint8(),i.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=i.extract_bits(1),this.ptl_multilayer_enabled_flag=i.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(t=0;t<this.num_bytes_constraint_info-1;t++){var 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);if(this.num_sublayers>1){for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var a=i.extract_bits(1);this.ptl_sublayer_present_mask|=a<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)i.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=e.readUint8())}if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var o=e.readUint8();for(t=0;t<o;t++){var l=[];this.nalu_arrays.push(l),i.stream_read_1_bytes(e),l.completeness=i.extract_bits(1),i.extract_bits(2),l.nalu_type=i.extract_bits(5);var d=1;for(13!=l.nalu_type&&12!=l.nalu_type&&(d=e.readUint16()),r=0;r<d;r++){var h=e.readUint16();l.push({data:e.readUint8Array(h),length:h})}}})),f.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),f.SampleEntry.prototype.isVideo=function(){return!1},f.SampleEntry.prototype.isAudio=function(){return!1},f.SampleEntry.prototype.isSubtitle=function(){return!1},f.SampleEntry.prototype.isMetadata=function(){return!1},f.SampleEntry.prototype.isHint=function(){return!1},f.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},f.SampleEntry.prototype.getWidth=function(){return""},f.SampleEntry.prototype.getHeight=function(){return""},f.SampleEntry.prototype.getChannelCount=function(){return""},f.SampleEntry.prototype.getSampleRate=function(){return""},f.SampleEntry.prototype.getSampleSize=function(){return""},f.VisualSampleEntry.prototype.isVideo=function(){return!0},f.VisualSampleEntry.prototype.getWidth=function(){return this.width},f.VisualSampleEntry.prototype.getHeight=function(){return this.height},f.AudioSampleEntry.prototype.isAudio=function(){return!0},f.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},f.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},f.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},f.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},f.MetadataSampleEntry.prototype.isMetadata=function(){return!0},f.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?t=2:t;r.length<t;)r="0"+r;return r},f.avc1SampleEntry.prototype.getCodec=f.avc2SampleEntry.prototype.getCodec=f.avc3SampleEntry.prototype.getCodec=f.avc4SampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+f.decimalToHex(this.avcC.AVCProfileIndication)+f.decimalToHex(this.avcC.profile_compatibility)+f.decimalToHex(this.avcC.AVCLevelIndication):e},f.hev1SampleEntry.prototype.getCodec=f.hvc1SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var r=this.hvcC.general_profile_compatibility,i=0;for(e=0;e<32&&(i|=1&r,31!=e);e++)i<<=1,r>>=1;t+=f.decimalToHex(i,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var s=!1,n="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||s)&&(n="."+f.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+n,s=!0);t+=n}return t},f.vvc1SampleEntry.prototype.getCodec=f.vvi1SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){t+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?t+=".H":t+=".L",t+=this.vvcC.general_level_idc;var r="";if(this.vvcC.general_constraint_info){var i,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,l=0;for(e=0;e<=i;++e)for(o=o<<8|s[e],l+=8;l>=5;){r+=a[o>>l-5&31],o&=(1<<(l-=5))-1}l&&(r+=a[31&(o<<=5-l)])}}t+=r}return t},f.mp4aSampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+f.decimalToHex(t)+(r?"."+r:"")}return e},f.stxtSampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},f.vp08SampleEntry.prototype.getCodec=f.vp09SampleEntry.prototype.getCodec=function(){var e=f.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level;0==t&&(t="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),e+".0"+this.vpcC.profile+"."+t+"."+r},f.av01SampleEntry.prototype.getCodec=function(){var e,t=f.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?e=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(e=1===this.av1C.high_bitdepth?"10":"08"),t+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+e},f.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),a.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>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)},f.FullBox.prototype.writeHeader=function(e){this.size+=4,f.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},f.Box.prototype.write=function(e){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(e),e.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(e),this.data&&e.writeUint8Array(this.data))},f.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&(this.boxes[t].write(e),this.size+=this.boxes[t].size);a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},f.avcCBox.prototype.write=function(e){var t;for(this.size=7,t=0;t<this.SPS.length;t++)this.size+=2+this.SPS[t].length;for(t=0;t<this.PPS.length;t++)this.size+=2+this.PPS[t].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.AVCProfileIndication),e.writeUint8(this.profile_compatibility),e.writeUint8(this.AVCLevelIndication),e.writeUint8(this.lengthSizeMinusOne+252),e.writeUint8(this.SPS.length+224),t=0;t<this.SPS.length;t++)e.writeUint16(this.SPS[t].length),e.writeUint8Array(this.SPS[t].nalu);for(e.writeUint8(this.PPS.length),t=0;t<this.PPS.length;t++)e.writeUint16(this.PPS[t].length),e.writeUint8Array(this.PPS[t].nalu);this.ext&&e.writeUint8Array(this.ext)},f.co64Box.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),t=0;t<this.chunk_offsets.length;t++)e.writeUint64(this.chunk_offsets[t])},f.cslgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeInt32(this.compositionToDTSShift),e.writeInt32(this.leastDecodeToDisplayDelta),e.writeInt32(this.greatestDecodeToDisplayDelta),e.writeInt32(this.compositionStartTime),e.writeInt32(this.compositionEndTime)},f.cttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),1===this.version?e.writeInt32(this.sample_offsets[t]):e.writeUint32(this.sample_offsets[t])},f.drefBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},f.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeUint32(r.segment_duration),e.writeInt32(r.media_time),e.writeInt16(r.media_rate_integer),e.writeInt16(r.media_rate_fraction)}},f.emsgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},f.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},f.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},f.hvcCBox.prototype.write=function(e){var t,r;for(this.size=23,t=0;t<this.nalu_arrays.length;t++)for(this.size+=3,r=0;r<this.nalu_arrays[t].length;r++)this.size+=2+this.nalu_arrays[t][r].data.length;for(this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),e.writeUint32(this.general_profile_compatibility),e.writeUint8Array(this.general_constraint_indicator),e.writeUint8(this.general_level_idc),e.writeUint16(this.min_spatial_segmentation_idc+(15<<24)),e.writeUint8(this.parallelismType+252),e.writeUint8(this.chroma_format_idc+252),e.writeUint8(this.bit_depth_luma_minus8+248),e.writeUint8(this.bit_depth_chroma_minus8+248),e.writeUint16(this.avgFrameRate),e.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),e.writeUint8(this.nalu_arrays.length),t=0;t<this.nalu_arrays.length;t++)for(e.writeUint8((this.nalu_arrays[t].completeness<<7)+this.nalu_arrays[t].nalu_type),e.writeUint16(this.nalu_arrays[t].length),r=0;r<this.nalu_arrays[t].length;r++)e.writeUint16(this.nalu_arrays[t][r].data.length),e.writeUint8Array(this.nalu_arrays[t][r].data)},f.kindBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(e),e.writeCString(this.schemeURI),e.writeCString(this.value)},f.mdhdBox.prototype.write=function(e){this.size=20,this.flags=0,this.version=0,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint16(this.language),e.writeUint16(0)},f.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},f.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},f.mvhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=96,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint32(this.rate),e.writeUint16(this.volume<<8),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32Array(this.matrix),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(this.next_track_id)},f.SampleEntry.prototype.writeHeader=function(e){this.size=8,f.Box.prototype.writeHeader.call(this,e),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint16(this.data_reference_index)},f.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e),this.size+=this.boxes[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},f.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},f.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},f.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},f.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeInt32(r.sample_count),e.writeInt32(r.group_description_index)}},f.sgpdBox.prototype.write=function(e){var t,r;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(e),e.writeString(this.grouping_type,null,4),1===this.version&&e.writeUint32(this.default_length),this.version>=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(r.description_length),r.write(e)},f.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var r=this.references[t];e.writeUint32(r.reference_type<<31|r.referenced_size),e.writeUint32(r.subsegment_duration),e.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},f.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},f.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},f.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},f.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},f.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},f.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},f.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(t=0;t+1<this.sample_sizes.length;){if(this.sample_sizes[t+1]!==this.sample_sizes[0]){r=!1;break}t++}else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),r?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),r||e.writeUint32Array(this.sample_sizes)},f.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},f.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},f.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&f.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&f.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&f.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&f.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&f.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},f.tkhdBox.prototype.write=function(e){this.version=0,this.size=80,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.track_id),e.writeUint32(0),e.writeUint32(this.duration),e.writeUint32(0),e.writeUint32(0),e.writeInt16(this.layer),e.writeInt16(this.alternate_group),e.writeInt16(this.volume<<8),e.writeUint16(0),e.writeInt32Array(this.matrix),e.writeUint32(this.width),e.writeUint32(this.height)},f.trexBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeUint32(this.track_id),e.writeUint32(this.default_sample_description_index),e.writeUint32(this.default_sample_duration),e.writeUint32(this.default_sample_size),e.writeUint32(this.default_sample_flags)},f.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&f.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&f.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&f.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&f.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&f.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&f.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&f.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&f.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&f.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},f["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},f["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},f.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},f.cttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].pts=e[i].dts+this.sample_offsets[t],i++},f.sttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].dts=0===i?0:e[i-1].dts+this.sample_deltas[t],i++},f.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},f.stscBox.prototype.unpack=function(e){var t,r,i,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++}},f.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},f.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],f.boxEqualFields=function(e,t){if(e&&!t)return!1;var r;for(r in e)if(!(f.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1||e[r]instanceof f.Box||t[r]instanceof f.Box||void 0===e[r]||void 0===t[r]||"function"==typeof e[r]||"function"==typeof t[r]||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||f.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},f.boxEqual=function(e,t){if(!f.boxEqualFields(e,t))return!1;for(var r=0;r<f.DIFF_BOXES_PROP_NAMES.length;r++){var i=f.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!f.boxEqual(e[i],t[i]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(e){var t,r={};r.resources=[];var i=new o(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)r.resources[t]=i.readUint8Array(e.subsamples[t].size)}else r.documentString=i.readString(e.data.length);return"undefined"!=typeof DOMParser&&(r.document=(new DOMParser).parseFromString(r.documentString,"application/xml")),r};var _=function(){};_.prototype.parseSample=function(e){return new o(e.data.buffer).readString(e.data.length)},_.prototype.parseConfig=function(e){var t=new o(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=m,t.Textin4Parser=_;var g=function(e){this.stream=e||new h,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};g.prototype.setSegmentOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var 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))}},g.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++){this.fragmentedTracks[r].id==e&&(t=r)}t>-1&&this.fragmentedTracks.splice(t,1)},g.prototype.setExtractionOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var 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)}},g.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++){this.extractedTracks[r].id==e&&(t=r)}t>-1&&this.extractedTracks.splice(t,1)},g.prototype.parse=function(){var e,t;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(e=f.parseOneBox(this.stream,false)).code===f.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var r;switch(r="uuid"!==(t=e.box).type?t.type:t.uuid,this.boxes.push(t),r){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[r]&&a.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},g.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(a.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(a.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(a.warn("ISOFile","Not ready to start parsing"),!1))},g.prototype.appendBuffer=function(e,t){var r;if(this.checkBuffer(e))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(t),this.nextSeekPosition?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(a.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},g.prototype.getInfo=function(){var e,t,r,i,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},g.prototype.setNextSeekPositionFromSample=function(e){e&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(e.offset+e.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=e.offset+e.alreadyRead)},g.prototype.processSamples=function(e){var t,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var i=this.fragmentedTracks[t];for(r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var 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)&&(a.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var n=this.extractedTracks[t];for(r=n.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Exporting on track #"+n.id+" sample #"+r.nextSample);var o=this.getSample(r,r.nextSample);if(!o){this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if(r.nextSample++,n.samples.push(o),(r.nextSample%n.nb_samples==0||r.nextSample>=r.samples.length)&&(a.debug("ISOFile","Sending samples on track #"+n.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(n.id,n.user,n.samples),n.samples=[],n!==this.extractedTracks[t]))break}}}},g.prototype.getBox=function(e){var t=this.getBoxes(e,!0);return t.length?t[0]:null},g.prototype.getBoxes=function(e,t){var r=[];return g._sweep.call(this,e,r,t),r},g._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;g._sweep.call(this.boxes[i],e,t,r)}},g.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},g.prototype.getTrackSample=function(e,t){var r=this.getTrackById(e);return this.getSample(r,t)},g.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var s=i.lastValidSample;s<t;s++)r+=this.releaseSample(i,s);a.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},g.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},g.prototype.stop=function(){this.sampleProcessingStarted=!1},g.prototype.flush=function(){a.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},g.prototype.seekTrack=function(e,t,r){var i,s,n,o,l=0,d=0;if(0===r.samples.length)return a.info("ISOFile","No sample in track, cannot seek! Using time "+a.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(s=r.samples[i],0===i)d=0,o=s.timescale;else if(s.cts>e*s.timescale){d=i-1;break}t&&s.is_sync&&(l=i)}for(t&&(d=l),e=r.samples[d].cts,r.nextSample=d;r.samples[d].alreadyRead===r.samples[d].size&&r.samples[d+1];)d++;return n=r.samples[d].offset+r.samples[d].alreadyRead,a.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+a.getDurationString(e,o)+" and offset: "+n),{offset:n,time:e/o}},g.prototype.getTrackDuration=function(e){var t;return e.samples?((t=e.samples[e.samples.length-1]).cts+t.duration)/t.timescale:1/0},g.prototype.seek=function(e,t){var r,i,s,n=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(s=0;s<n.traks.length;s++)r=n.traks[s],e>this.getTrackDuration(r)||((i=this.seekTrack(e,t,r)).offset<o.offset&&(o.offset=i.offset),i.time<o.time&&(o.time=i.time));return a.info("ISOFile","Seeking at time "+a.getDurationString(o.time,1)+" needs a buffer with a fileStart position of "+o.offset),o.offset===1/0?o={offset:this.nextParsePosition,time:0}:o.offset=this.stream.getEndFilePositionAfter(o.offset),a.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+o.offset),o}throw"Cannot seek: moov not received!"},g.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var r=this.boxes[t],i=e.boxes[t];if(!f.boxEqual(r,i))return!1;t++}return!0},t.ISOFile=g,g.prototype.lastBoxStartPosition=0,g.prototype.parsingMdat=null,g.prototype.nextParsePosition=0,g.prototype.discardMdatData=!1,g.prototype.processIncompleteBox=function(e){var t;return"mdat"===e.type?(t=new f[e.type+"Box"](e.size),this.parsingMdat=t,this.boxes.push(t),this.mdats.push(t),t.start=e.start,t.hdr_size=e.hdr_size,this.stream.addUsedBytes(t.hdr_size),this.lastBoxStartPosition=t.start+t.size,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=t.start+t.size,!1)):("moov"===e.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(e.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+e.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},g.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},g.prototype.processIncompleteMdat=function(){var e;return e=this.parsingMdat,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(a.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},g.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},g.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},g.prototype.updateUsedBytes=function(e,t){this.stream.addUsedBytes&&("mdat"===e.type?(this.stream.addUsedBytes(e.hdr_size),this.discardMdatData&&this.stream.addUsedBytes(e.size-e.hdr_size)):this.stream.addUsedBytes(e.size))},g.prototype.add=f.Box.prototype.add,g.prototype.addBox=f.Box.prototype.addBox,g.prototype.init=function(e){var t=e||{};this.add("ftyp").set("major_brand",t.brands&&t.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",t.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",t.timescale||600).set("rate",t.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",t.duration||0).set("volume",t.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},g.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{};t.width=t.width||320,t.height=t.height||320,t.id=t.id||this.moov.mvhd.next_track_id,t.type=t.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,r.add("tkhd").set("flags",f.TKHD_FLAG_ENABLED|f.TKHD_FLAG_IN_MOVIE|f.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var i=r.add("mdia");i.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),i.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),i.add("elng").set("extended_language",t.language||"fr-FR");var s=i.add("minf");if(void 0!==f[t.type+"SampleEntry"]){var n=new f[t.type+"SampleEntry"];n.data_reference_index=1;var a="";for(var l in f.sampleEntryCodes)for(var d=f.sampleEntryCodes[l],h=0;h<d.length;h++)if(d.indexOf(t.type)>-1){a=l;break}switch(a){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 u=new f.avcCBox;u.parse(new o(t.avcDecoderConfigRecord)),n.addBox(u)}else if(t.hevcDecoderConfigRecord){var c=new f.hvcCBox;c.parse(new o(t.hevcDecoderConfigRecord)),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 f["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}},f.Box.prototype.computeSize=function(e){var t=e||new l;t.endianness=l.BIG_ENDIAN,this.write(t)},g.prototype.addSample=function(e,t,r){var i=r||{},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,void 0===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}},g.prototype.createSingleSampleMoof=function(e){var t=0;t=e.is_sync?1<<25:65536;var r=new f.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=r.add("traf"),s=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(s.first_dts||0)),i.add("trun").set("flags",f.TRUN_FLAGS_DATA_OFFSET|f.TRUN_FLAGS_DURATION|f.TRUN_FLAGS_SIZE|f.TRUN_FLAGS_FLAGS|f.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[e.duration]).set("sample_size",[e.size]).set("sample_flags",[t]).set("sample_composition_time_offset",[e.cts-e.dts]),r},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var e,t,r,i,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)}},g.initSampleGroups=function(e,t,r,i,s){var n,a,o,l;function d(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(l=r[a].grouping_type+"/"+r[a].grouping_type_parameter,o=new d(r[a].grouping_type,r[a].grouping_type_parameter,r[a]),t&&(t.sample_groups_info[l]=o),e.sample_groups_info[l]||(e.sample_groups_info[l]=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&&(l=s[a].grouping_type+"/0",(o=new d(s[a].grouping_type,0)).is_fragment=!0,t.sample_groups_info[l]||(t.sample_groups_info[l]=o))}else for(a=0;a<i.length;a++)!i[a].used&&i[a].version>=2&&(l=i[a].grouping_type+"/0",o=new d(i[a].grouping_type,0),e.sample_groups_info[l]||(e.sample_groups_info[l]=o))},g.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])}},g.process_sdtp=function(e,t,r){t&&(e?(t.is_leading=e.is_leading[r],t.depends_on=e.sample_depends_on[r],t.is_depended_on=e.sample_is_depended_on[r],t.has_redundancy=e.sample_has_redundancy[r]):(t.is_leading=0,t.depends_on=0,t.is_depended_on=0,t.has_redundancy=0))},g.prototype.buildSampleLists=function(){var e,t;for(e=0;e<this.moov.traks.length;e++)t=this.moov.traks[e],this.buildTrakSampleLists(t)},g.prototype.buildTrakSampleLists=function(e){var t,r,i,s,n,a,o,l,d,h,u,f,c,p,m,_,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,l=e.mdia.minf.stbl.stsd,d=e.mdia.minf.stbl.subs,f=e.mdia.minf.stbl.stdp,h=e.mdia.minf.stbl.sbgps,u=e.mdia.minf.stbl.sgpds,b=-1,v=-1,w=-1,S=-1,E=0,U=0,x=0,g.initSampleGroups(e,null,h,u),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?(p=1,c=0,A.chunk_index=p,A.chunk_run_index=c,y=i.samples_per_chunk[c],_=0,m=c+1<i.first_chunk.length?i.first_chunk[c+1]-1:1/0):t<y?(A.chunk_index=p,A.chunk_run_index=c):(p++,A.chunk_index=p,_=0,p<=m||(m=++c+1<i.first_chunk.length?i.first_chunk[c+1]-1:1/0),A.chunk_run_index=c,y+=i.samples_per_chunk[c]),A.description_index=i.sample_description_index[A.chunk_run_index]-1,A.description=l.entries[A.description_index],A.offset=r.chunk_offsets[A.chunk_index-1]+_,_+=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),d&&d.entries[U].sample_delta+x==t+1&&(A.subsamples=d.entries[U].subsamples,x+=d.entries[U].sample_delta,U++)):A.is_sync=!0,g.process_sdtp(e.mdia.minf.stbl.sdtp,A,A.number),A.degradation_priority=f?f.priority[t]:0,d&&d.entries[U].sample_delta+x==t&&(A.subsamples=d.entries[U].subsamples,x+=d.entries[U].sample_delta),(h.length>0||u.length>0)&&g.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)}},g.prototype.updateSampleLists=function(){var e,t,r,i,s,n,a,o,l,d,h,u,c,p,m;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(l=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==l.type)for(d=l,e=0;e<d.trafs.length;e++){for(h=d.trafs[e],u=this.getTrackById(h.tfhd.track_id),c=this.getTrexById(h.tfhd.track_id),i=h.tfhd.flags&f.TFHD_FLAG_SAMPLE_DESC?h.tfhd.default_sample_description_index:c?c.default_sample_description_index:1,s=h.tfhd.flags&f.TFHD_FLAG_SAMPLE_DUR?h.tfhd.default_sample_duration:c?c.default_sample_duration:0,n=h.tfhd.flags&f.TFHD_FLAG_SAMPLE_SIZE?h.tfhd.default_sample_size:c?c.default_sample_size:0,a=h.tfhd.flags&f.TFHD_FLAG_SAMPLE_FLAGS?h.tfhd.default_sample_flags:c?c.default_sample_flags:0,h.sample_number=0,h.sbgps.length>0&&g.initSampleGroups(u,h,h.sbgps,u.mdia.minf.stbl.sgpds,h.sgpds),t=0;t<h.truns.length;t++){var _=h.truns[t];for(r=0;r<_.sample_count;r++){(p={}).moof_number=this.lastMoofIndex,p.number_in_traf=h.sample_number,h.sample_number++,p.number=u.samples.length,h.first_sample_index=u.samples.length,u.samples.push(p),p.track_id=u.tkhd.track_id,p.timescale=u.mdia.mdhd.timescale,p.description_index=i-1,p.description=u.mdia.minf.stbl.stsd.entries[p.description_index],p.size=n,_.flags&f.TRUN_FLAGS_SIZE&&(p.size=_.sample_size[r]),u.samples_size+=p.size,p.duration=s,_.flags&f.TRUN_FLAGS_DURATION&&(p.duration=_.sample_duration[r]),u.samples_duration+=p.duration,u.first_traf_merged||r>0?p.dts=u.samples[u.samples.length-2].dts+u.samples[u.samples.length-2].duration:(h.tfdt?p.dts=h.tfdt.baseMediaDecodeTime:p.dts=0,u.first_traf_merged=!0),p.cts=p.dts,_.flags&f.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+_.sample_composition_time_offset[r]),m=a,_.flags&f.TRUN_FLAGS_FLAGS?m=_.sample_flags[r]:0===r&&_.flags&f.TRUN_FLAGS_FIRST_FLAG&&(m=_.first_sample_flags),p.is_sync=!(m>>16&1),p.is_leading=m>>26&3,p.depends_on=m>>24&3,p.is_depended_on=m>>22&3,p.has_redundancy=m>>20&3,p.degradation_priority=65535&m;var y=!!(h.tfhd.flags&f.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(h.tfhd.flags&f.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(_.flags&f.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?h.tfhd.base_data_offset:b||0===t?d.start:o,p.offset=0===t&&0===r?v?w+_.data_offset:w:o,o=p.offset+p.size,(h.sbgps.length>0||h.sgpds.length>0||u.mdia.minf.stbl.sbgps.length>0||u.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(u,p,p.number_in_traf,h.sample_groups_info)}}if(h.subs){u.has_fragment_subsamples=!0;var S=h.first_sample_index;for(t=0;t<h.subs.entries.length;t++)S+=h.subs.entries[t].sample_delta,(p=u.samples[S-1]).subsamples=h.subs.entries[t].subsamples}}},g.prototype.getSample=function(e,t){var r,i=e.samples[t];if(!this.moov)return null;if(i.data){if(i.alreadyRead==i.size)return i}else i.data=new Uint8Array(i.size),i.alreadyRead=0,this.samplesDataSize+=i.size,a.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+i.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(s>-1))return null;var n=(r=this.stream.buffers[s]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=n)return a.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+(i.size-i.alreadyRead)+" full size: "+i.size+")"),l.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,i.size-i.alreadyRead),r.usedBytes+=i.size-i.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead=i.size,i;if(0===n)return null;a.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+n+" full size: "+i.size+")"),l.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,n),i.alreadyRead+=n,r.usedBytes+=n,this.stream.logBufferLevel()}},g.prototype.releaseSample=function(e,t){var r=e.samples[t];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},g.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},g.prototype.getCodecs=function(){var e,t="";for(e=0;e<this.moov.traks.length;e++){e>0&&(t+=","),t+=this.moov.traks[e].mdia.minf.stbl.stsd.entries[0].getCodec()}return t},g.prototype.getTrexById=function(e){var t;if(!this.moov||!this.moov.mvex)return null;for(t=0;t<this.moov.mvex.trexs.length;t++){var r=this.moov.mvex.trexs[t];if(r.track_id==e)return r}return null},g.prototype.getTrackById=function(e){if(void 0===this.moov)return null;for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null},g.prototype.items=[],g.prototype.entity_groups=[],g.prototype.itemsDataSize=0,g.prototype.flattenItemInfo=function(){var e,t,r,i=this.items,s=this.entity_groups,n=this.meta;if(null!=n&&void 0!==n.hdlr&&void 0!==n.iinf){for(e=0;e<n.iinf.item_infos.length;e++)(r={}).id=n.iinf.item_infos[e].item_ID,i[r.id]=r,r.ref_to=[],r.name=n.iinf.item_infos[e].item_name,n.iinf.item_infos[e].protection_index>0&&(r.protection=n.ipro.protections[n.iinf.item_infos[e].protection_index-1]),n.iinf.item_infos[e].item_type?r.type=n.iinf.item_infos[e].item_type:r.type="mime",r.content_type=n.iinf.item_infos[e].content_type,r.content_encoding=n.iinf.item_infos[e].content_encoding;if(n.grpl)for(e=0;e<n.grpl.boxes.length;e++)entity_group={},entity_group.id=n.grpl.boxes[e].group_id,entity_group.entity_ids=n.grpl.boxes[e].entity_ids,entity_group.type=n.grpl.boxes[e].type,s[entity_group.id]=entity_group;if(n.iloc)for(e=0;e<n.iloc.items.length;e++){var o=n.iloc.items[e];switch(r=i[o.item_ID],0!==o.data_reference_index&&(a.warn("Item storage with reference to other files: not supported"),r.source=n.dinf.boxes[o.data_reference_index-1]),o.construction_method){case 0:break;case 1:case 2:a.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,t=0;t<o.extents.length;t++)r.extents[t]={},r.extents[t].offset=o.extents[t].extent_offset+o.base_offset,r.extents[t].length=o.extents[t].extent_length,r.extents[t].alreadyRead=0,r.size+=r.extents[t].length}if(n.pitm&&(i[n.pitm.item_id].primary=!0),n.iref)for(e=0;e<n.iref.references.length;e++){var l=n.iref.references[e];for(t=0;t<l.references.length;t++)i[l.from_item_ID].ref_to.push({type:l.type,id:l.references[t]})}if(n.iprp)for(var d=0;d<n.iprp.ipmas.length;d++){var h=n.iprp.ipmas[d];for(e=0;e<h.associations.length;e++){var u=h.associations[e];if((r=i[u.id])||(r=s[u.id]),r)for(void 0===r.properties&&(r.properties={},r.properties.boxes=[]),t=0;t<u.props.length;t++){var f=u.props[t];if(f.property_index>0&&f.property_index-1<n.iprp.ipco.boxes.length){var c=n.iprp.ipco.boxes[f.property_index-1];r.properties[c.type]=c,r.properties.boxes.push(c)}}}}}},g.prototype.getItem=function(e){var t,r;if(!this.meta)return null;if(!(r=this.items[e]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,a.debug("ISOFile","Allocating item #"+e+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var i=0;i<r.extents.length;i++){var s=r.extents[i];if(s.alreadyRead!==s.length){var n=this.stream.findPosition(!0,s.offset+s.alreadyRead,!1);if(!(n>-1))return null;var o=(t=this.stream.buffers[n]).byteLength-(s.offset+s.alreadyRead-t.fileStart);if(!(s.length-s.alreadyRead<=o))return a.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+o+" full extent size: "+s.length+" full item size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,o),s.alreadyRead+=o,r.alreadyRead+=o,t.usedBytes+=o,this.stream.logBufferLevel(),null;a.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+")"),l.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},g.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null,t.alreadyRead=0;for(var r=0;r<t.extents.length;r++){t.extents[r].alreadyRead=0}return t.size}return 0},g.prototype.processItems=function(e){for(var t in this.items){var r=this.items[t];this.getItem(r.id),e&&!r.sent&&(e(r),r.sent=!0,r.data=null)}},g.prototype.hasItem=function(e){for(var t in this.items){var r=this.items[t];if(r.name===e)return r.id}return-1},g.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},g.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},g.prototype.itemToFragmentedTrackFile=function(e){var t=e||{},r=null;if(null==(r=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var i=new g;i.discardMdatData=!1;var 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},g.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},g.prototype.createFragment=function(e,t,r){var i=this.getTrackById(e),s=this.getSample(i,t);if(null==s)return this.setNextSeekPositionFromSample(i.samples[t]),null;var n=r||new l;n.endianness=l.BIG_ENDIAN;var o=this.createSingleSampleMoof(s);o.write(n),o.trafs[0].truns[0].data_offset=o.size+8,a.debug("MP4Box","Adjusting data_offset with new value 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set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var s=new f.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=g.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},f.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)},f.FullBox.prototype.printHeader=function(e){this.size+=4,f.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},f.Box.prototype.print=function(e){this.printHeader(e)},f.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t<this.boxes.length;t++)if(this.boxes[t]){var r=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=r}},g.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},f.mvhdBox.prototype.print=function(e){f.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: 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t=[101,103,119,99],r=e.length-28,i=e.slice(r,r+t.length);return t.every(((e,t)=>e===i[t]))}Hr.Log,Hr.MP4BoxStream,Hr.DataStream,Hr.MultiBufferStream,Hr.MPEG4DescriptorParser,Hr.BoxParser,Hr.XMLSubtitlein4Parser,Hr.Textin4Parser,Hr.ISOFile,Hr.createFile;class jr{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);Wr(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=Vr(e.slice(r+16,r+16+8));return[t,Vr(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],Wr(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 Yr=16,qr=[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],Kr=[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 Xr(e){const t=[];for(let r=0,i=e.length;r<i;r+=2)t.push(parseInt(e.substr(r,2),16));return t}function Zr(e){return e.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join("")}function Jr(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}function Qr(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("")}function ei(e,t){const r=31&t;return e<<r|e>>>32-r}function ti(e){return(255&qr[e>>>24&255])<<24|(255&qr[e>>>16&255])<<16|(255&qr[e>>>8&255])<<8|255&qr[255&e]}function ri(e){return e^ei(e,2)^ei(e,10)^ei(e,18)^ei(e,24)}function ii(e){return e^ei(e,13)^ei(e,23)}function si(e,t,r){const i=new Array(4),s=new Array(4);for(let t=0;t<4;t++)s[0]=255&e[4*t],s[1]=255&e[4*t+1],s[2]=255&e[4*t+2],s[3]=255&e[4*t+3],i[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];for(let e,t=0;t<32;t+=4)e=i[1]^i[2]^i[3]^r[t+0],i[0]^=ri(ti(e)),e=i[2]^i[3]^i[0]^r[t+1],i[1]^=ri(ti(e)),e=i[3]^i[0]^i[1]^r[t+2],i[2]^=ri(ti(e)),e=i[0]^i[1]^i[2]^r[t+3],i[3]^=ri(ti(e));for(let e=0;e<16;e+=4)t[e]=i[3-e/4]>>>24&255,t[e+1]=i[3-e/4]>>>16&255,t[e+2]=i[3-e/4]>>>8&255,t[e+3]=255&i[3-e/4]}function ni(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]^Kr[r+0],t[r+0]=i[0]^=ii(ti(e)),e=i[2]^i[3]^i[0]^Kr[r+1],t[r+1]=i[1]^=ii(ti(e)),e=i[3]^i[0]^i[1]^Kr[r+2],t[r+2]=i[2]^=ii(ti(e)),e=i[0]^i[1]^i[2]^Kr[r+3],t[r+3]=i[3]^=ii(ti(e));if(0===r)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}function ai(e,t,r){let{padding:i="pkcs#7",mode:s,iv:n=[],output:a="string"}=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if("cbc"===s&&("string"==typeof n&&(n=Xr(n)),16!==n.length))throw new Error("iv is invalid");if("string"==typeof t&&(t=Xr(t)),16!==t.length)throw new Error("key is invalid");if(e="string"==typeof e?0!==r?Jr(e):Xr(e):[...e],("pkcs#5"===i||"pkcs#7"===i)&&0!==r){const t=Yr-e.length%Yr;for(let r=0;r<t;r++)e.push(t)}const o=new Array(32);ni(t,o,r);const l=[];let d=n,h=e.length,u=0;for(;h>=Yr;){const t=e.slice(u,u+16),i=new Array(16);if("cbc"===s)for(let e=0;e<Yr;e++)0!==r&&(t[e]^=d[e]);si(t,i,o);for(let e=0;e<Yr;e++)"cbc"===s&&0===r&&(i[e]^=d[e]),l[u+e]=i[e];"cbc"===s&&(d=0!==r?i:t),h-=Yr,u+=Yr}if(("pkcs#5"===i||"pkcs#7"===i)&&0===r){const e=l.length,t=l[e-1];for(let r=1;r<=t;r++)if(l[e-r]!==t)throw new Error("padding is invalid");l.splice(e-t,t)}return"array"!==a?0!==r?Zr(l):Qr(l):l}function oi(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function li(e,t){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const i=e.byteLength;let s=5;for(;s<i;){let n=oi(e.slice(s,s+4));if(n>i)break;let 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r[e],this}}{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=di.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==di.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=di.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==di.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=di.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==di.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=di.findFirstStartCode}}}}function ui(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 fi(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function ci(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const s=e.byteLength;let n=5;for(;n<s;){let a=fi(e.slice(n,n+4));if(a>s)break;let o=e[n+4],l=!1;if(i?(o=o>>>1&63,l=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,l=1===o||5===o),l){const i=ui(e.slice(n+4,n+4+a),t,r);e.set(i,n+4)}n=n+4+a}return e}Date.now||(Date.now=function(){return(new Date).getTime()}),t().then((e=>{!function(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],i=[],s=[],n={},a=new AbortController,o=null,l=null,d=null,y=null,b=null,S=null,Ge=!1,je=!1,qe=!!xt(r),Ke=!1,nt=null,ft=null,Bt=null,Ct=[],Tt=null,kt=null,Dt=0,Pt=0,Lt=null,Wt=null,jt=0,Yt=0,Jt=!1,or=!1,lr=!1,dr=null,hr=null,ur=null,fr=!1,cr=()=>{const e=Et();return{debug:e.debug,debugLevel:e.debugLevel,debugUuid:e.debugUuid,useOffscreen:e.useOffscreen,useWCS:e.useWCS,useMSE:e.useMSE,videoBuffer:e.videoBuffer,videoBufferDelay:e.videoBufferDelay,openWebglAlignment:e.openWebglAlignment,playType:e.playType,hasAudio:e.hasAudio,hasVideo:e.hasVideo,playbackRate:1,playbackForwardMaxRateDecodeIFrame:e.playbackForwardMaxRateDecodeIFrame,playbackIsCacheBeforeDecodeForFpsRender:e.playbackConfig.isCacheBeforeDecodeForFpsRender,sampleRate:0,networkDelay:e.networkDelay,visibility:!0,useSIMD:e.useSIMD,isRecording:!1,recordType:e.recordType,isNakedFlow:e.isNakedFlow,checkFirstIFrame:e.checkFirstIFrame,audioBufferSize:1024,isM7sCrypto:e.isM7sCrypto,m7sCryptoAudio:e.m7sCryptoAudio,cryptoKey:e.cryptoKey,cryptoIV:e.cryptoIV,isSm4Crypto:e.isSm4Crypto,sm4CryptoKey:e.sm4CryptoKey,isXorCrypto:e.isXorCrypto,isHls265:!1,isFlv:e.isFlv,isFmp4:e.isFmp4,isMpeg4:e.isMpeg4,isFmp4Private:e.isFmp4Private,isEmitSEI:e.isEmitSEI,isRecordTypeFlv:!1,isWasmMp4:!1,isChrome:!1,isDropSameTimestampGop:e.isDropSameTimestampGop,mseDecodeAudio:e.mseDecodeAudio,nakedFlowH265DemuxUseNew:e.nakedFlowH265DemuxUseNew}};"VideoEncoder"in self&&(n={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(n.isEmitInfo||(yr.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:U,w:e.codedWidth,h:e.codedHeight}),n.isEmitInfo=!0,n.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),n.offscreenCanvasCtx=n.offscreenCanvas.getContext("2d")),gt(e.createImageBitmap))e.createImageBitmap().then((t=>{n.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=n.offscreenCanvas.transferToImageBitmap();postMessage({cmd:x,buffer:r,delay:yr.delay,ts:0},[r]),vt(e)}));else{n.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=n.offscreenCanvas.transferToImageBitmap();postMessage({cmd:x,buffer:t,delay:yr.delay,ts:0},[t]),vt(e)}},error:function(e){yr.debug.error("worker","VideoDecoder error",e)}}),decode:function(e,t,r){const i=e[0]>>4==1;if(n.hasInit){const r=new 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naluList.length === 0");const i=[];if(r.forEach((e=>{const t=rr(e);t===Oe||t===Ne||t===Me?mr.handleVideoH265Nalu(e):sr(t)&&i.push(e)})),1===i.length)mr.handleVideoH265Nalu(i[0]);else if(ar(i)){const e=rr(i[0]),t=nr(e);mr.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{this.handleVideoH265Nalu(e)}))}else rr(e)===Oe?mr.extractH265PPS(e):mr.handleVideoH265Nalu(e)},extractH264PPS(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{Gt(Ot(e))?mr.extractH264SEI(e):mr.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{ir(rr(e))?mr.extractH265SEI(e):mr.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{mr.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=mr.handleAddNaluStartCode(e);mr.extractNALu(t).forEach((e=>{mr.handleVideoH265Nalu(e)}))},handleAddNaluStartCode(e){const t=[0,0,0,1],r=new Uint8Array(e.length+t.length);return r.set(t),r.set(e,t.length),r},handleVideoH264Nalu(e){const t=Ot(e);switch(t){case Ie:mr.sps=e;break;case De:mr.pps=e}if(mr.isSendSeqHeader){if(mr.sps&&mr.pps){const e=Rt({sps:mr.sps,pps:mr.pps}),t=mr.getNaluDts();yr.decode(e,{type:Q,ts:t,isIFrame:!0,cts:0}),mr.sps=null,mr.pps=null}if($t(t)){const r=Ht(t),i=mr.getNaluDts(),s=Mt(e,r);mr.doDecode(s,{type:Q,ts:i,isIFrame:r,cts:0})}else yr.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(mr.sps&&mr.pps){mr.isSendSeqHeader=!0;const e=Rt({sps:mr.sps,pps:mr.pps});yr.decode(e,{type:Q,ts:0,isIFrame:!0,cts:0}),mr.sps=null,mr.pps=null}},handleVideoH264NaluList(e,t,r){if(mr.isSendSeqHeader){const i=mr.getNaluDts(),s=Nt(e.reduce(((e,t)=>{const r=Kt(e),i=Kt(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s})),t);mr.doDecode(s,{type:Q,ts:i,isIFrame:t,cts:0}),yr.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 yr.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=rr(e);switch(t){case Me:mr.vps=e;break;case Ne:mr.sps=e;break;case Oe:mr.pps=e}if(mr.isSendSeqHeader){if(mr.vps&&mr.sps&&mr.pps){const e=Qt({vps:mr.vps,sps:mr.sps,pps:mr.pps}),t=mr.getNaluDts();yr.decode(e,{type:Q,ts:t,isIFrame:!0,cts:0}),mr.vps=null,mr.sps=null,mr.pps=null}if(sr(t)){const r=nr(t),i=mr.getNaluDts(),s=er(e,r);mr.doDecode(s,{type:Q,ts:i,isIFrame:r,cts:0})}else yr.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(mr.vps&&mr.sps&&mr.pps){mr.isSendSeqHeader=!0;const e=Qt({vps:mr.vps,sps:mr.sps,pps:mr.pps});yr.decode(e,{type:Q,ts:0,isIFrame:!0,cts:0}),mr.vps=null,mr.sps=null,mr.pps=null}},handleVideoH265NaluList(e,t,r){if(mr.isSendSeqHeader){const i=mr.getNaluDts(),s=tr(e.reduce(((e,t)=>{const r=Kt(e),i=Kt(t),s=new Uint8Array(r.byteLength+i.byteLength);return 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r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(_r.isHevc=!0,dr=!0,e.hvcC.write(t),r=[28,0,0,0,0]);const i=new Uint8Array(t.buffer,8),s=new Uint8Array(r.length+i.length);return s.set(r,0),s.set(i,r.length),s}return null},onReady(e){yr.debug.log(_r.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],r=e.audioTracks[0];if(t){_r.videoTrackId=t.id;const e=_r._getSeqHeader(t);e&&(yr.debug.log(_r.LOG_NAME,"seqHeader"),yr.decodeVideo(e,0,!0,0)),_r.mp4Box.setExtractionOptions(t.id)}if(r&&yr._opt.hasAudio){_r.audioTrackId=r.id;const e=r.audio||{},t=dt.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");_r.mp4Box.setExtractionOptions(r.id);const s=at({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});yr.debug.log(_r.LOG_NAME,"aacADTSHeader"),yr.decodeAudio(s,0)}_r.mp4Box.start()},onError(e){yr.debug.error(_r.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===_r.videoTrackId)for(const e of r){const 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string",e)},destroy(){_r.mp4Box&&(_r.mp4Box.flush(),_r.mp4Box=null),_r.transportDescarmber&&(_r.transportDescarmber.destroy(),_r.transportDescarmber=null),_r.offset=0,_r.videoTrackId=null,_r.audioTrackId=null,_r.isHevc=!1}},gr={LOG_NAME:"worker mpeg4Demuxer",lastBuffer:new Uint8Array(0),parsedOffset:0,firstStartCodeOffset:0,secondStartCodeOffset:0,state:"init",hasInitVideoCodec:!1,localDts:0,dispatch(e){const t=new Uint8Array(e);gr.extractNALu(t)},destroy(){gr.lastBuffer=new Uint8Array(0),gr.parsedOffset=0,gr.firstStartCodeOffset=0,gr.secondStartCodeOffset=0,gr.state="init",gr.hasInitVideoCodec=!1,gr.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void yr.debug.warn(gr.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(gr.lastBuffer.length+e.length);for(t.set(gr.lastBuffer,0),t.set(new Uint8Array(e),gr.lastBuffer.length),gr.lastBuffer=t;;){if("init"===gr.state){let e=!1;for(;gr.lastBuffer.length-gr.parsedOffset>=4;)if(0===gr.lastBuffer[gr.parsedOffset])if(0===gr.lastBuffer[gr.parsedOffset+1])if(1===gr.lastBuffer[gr.parsedOffset+2]){if(182===gr.lastBuffer[gr.parsedOffset+3]){gr.state="findFirstStartCode",gr.firstStartCodeOffset=gr.parsedOffset,gr.parsedOffset+=4,e=!0;break}gr.parsedOffset++}else gr.parsedOffset++;else gr.parsedOffset++;else gr.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===gr.state){let e=!1;for(;gr.lastBuffer.length-gr.parsedOffset>=4;)if(0===gr.lastBuffer[gr.parsedOffset])if(0===gr.lastBuffer[gr.parsedOffset+1])if(1===gr.lastBuffer[gr.parsedOffset+2]){if(182===gr.lastBuffer[gr.parsedOffset+3]){gr.state="findSecondStartCode",gr.secondStartCodeOffset=gr.parsedOffset,gr.parsedOffset+=4,e=!0;break}gr.parsedOffset++}else gr.parsedOffset++;else gr.parsedOffset++;else gr.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===gr.state){if(!(gr.lastBuffer.length-gr.parsedOffset>0))break;{let e,t,r=192&gr.lastBuffer[gr.parsedOffset];e=0==r?gr.secondStartCodeOffset-14:gr.secondStartCodeOffset;let i=0==(192&gr.lastBuffer[gr.firstStartCodeOffset+4]);if(i){if(gr.firstStartCodeOffset-14<0)return void yr.debug.warn(gr.LOG_NAME,"firstStartCodeOffset -14 is",gr.firstStartCodeOffset-14);gr.hasInitVideoCodec||(gr.hasInitVideoCodec=!0,yr.debug.log(gr.LOG_NAME,"setCodec"),vr.setCodec(xe,"")),t=gr.lastBuffer.subarray(gr.firstStartCodeOffset-14,e)}else t=gr.lastBuffer.subarray(gr.firstStartCodeOffset,e);let s=gr.getNaluDts();gr.hasInitVideoCodec?(postMessage({cmd:z,type:me,value:t.byteLength}),postMessage({cmd:z,type:_e,value:s}),vr.decode(t,i?1:0,s)):yr.debug.warn(gr.LOG_NAME,"has not init video codec"),gr.lastBuffer=gr.lastBuffer.subarray(e),gr.firstStartCodeOffset=0==r?14:0,gr.parsedOffset=gr.firstStartCodeOffset+4,gr.state="findFirstStartCode"}}}},getNaluDts(){let e=gr.localDts;return gr.localDts=gr.localDts+40,e}},yr={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,fetchStatus:Ze,_opt:cr(),mp3Demuxer:null,startStreamRateAndStatsInterval:function(){yr.stopStreamRateAndStatsInterval(),d=setInterval((()=>{l&&l(0);const e=JSON.stringify({demuxBufferDelay:yr.getVideoBufferLength(),audioDemuxBufferDelay:yr.getAudioBufferLength(),flvBufferByteLength:yr.getFlvBufferLength(),netBuf:yr.networkDelay||0,pushLatestDelay:yr.pushLatestDelay||0,isStreamTsMoreThanLocal:Ke});postMessage({cmd:z,type:ye,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){d&&(clearInterval(d),d=null)},useOffscreen:function(){return yr._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||yr._opt.hasVideo&&!qe)return-1;if(t===J)return yr.delay;if(yr.preDelayTimestamp&&yr.preDelayTimestamp>e)return yr.preDelayTimestamp-e>1e3&&yr.debug.warn("worker",`getDelay() and preDelayTimestamp is ${yr.preDelayTimestamp} > timestamp is ${e} more than ${yr.preDelayTimestamp-e}ms and return ${yr.delay}`),yr.preDelayTimestamp=e,yr.delay;if(yr.firstTimestamp){if(e){const t=Date.now()-yr.startTimestamp,r=e-yr.firstTimestamp;t>=r?(Ke=!1,yr.delay=t-r):(Ke=!0,yr.delay=r-t)}}else yr.firstTimestamp=e,yr.startTimestamp=Date.now(),yr.delay=-1;return yr.preDelayTimestamp=e,yr.delay},getDelayNotUpdateDelay:function(e,t){if(!e||yr._opt.hasVideo&&!qe)return-1;if(t===J)return yr.pushLatestDelay;if(yr.preDelayTimestamp&&yr.preDelayTimestamp-e>1e3)return yr.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${yr.preDelayTimestamp} > timestamp is ${e} more than ${yr.preDelayTimestamp-e}ms and return -1`),-1;if(yr.firstTimestamp){let t=-1;if(e){const r=Date.now()-yr.startTimestamp,i=e-yr.firstTimestamp;r>=i?(Ke=!1,t=r-i):(Ke=!0,t=i-r)}return 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e=yr.streamVideoFps,t=yr.streamAudioFps;if(mt(yr.streamVideoFps)&&(e=wt(i,Q),e&&(yr.streamVideoFps=e,postMessage({cmd:O,value:yr.streamVideoFps}),yr.streamFps=t?e+t:e,At(yr._opt.hasAudio)&&(yr.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),yr.streamAudioFps=0),yr.playbackCacheLoop())),mt(yr.streamAudioFps)&&(t=wt(i,J),t&&(yr.streamAudioFps=t,yr.streamFps=e?e+t:t,yr.playbackCacheLoop())),mt(yr.streamVideoFps)&&mt(yr.streamAudioFps)){const r=i.map((e=>({type:e.type,ts:e.ts})));yr.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength  is ${i.length}, and ts list is ${JSON.stringify(r)}`)}const r=yr.getAudioBufferLength()>0,s=r?60:40;i.length>=s&&(yr.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength  is ${i.length} more than ${s}, and hasAudio is ${r} an set streamFps is 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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 ee:if(a.byteLength>0){let e=a;xt(yr._opt.m7sCryptoAudio)&&(e=yr.cryptoPayloadAudio(a)),yr.decode(e,{type:J,ts:n})}else yr.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${a.byteLength} and return`);break;case te:if(a.byteLength>=6){const e=a[0];if(yr._isEnhancedH265Header(e))yr._decodeEnhancedH265Video(a,n);else{a[0];const e=a[0]>>4===Xe;if(e&&Ut(a)&&null===dr){const e=15&a[0];dr=e===Ue,hr=Xt(a,dr),yr.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${dr} and nalUnitSize is ${hr}`)}e&&yr.calcIframeIntervalTimestamp(n),yr.isPlayer&&yr.calcNetworkDelay(n),r[0]=a[4],r[1]=a[3],r[2]=a[2],r[3]=0;let t=r[0],i=yr.cryptoPayload(a,e);yr.decode(i,{type:Q,ts:n,isIFrame:e,cts:t})}}else yr.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${a.byteLength} and return`);break;case re:postMessage({cmd:Y,buffer:a},[a.buffer]);break;default:yr.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===J?yr._opt.hasAudio&&(postMessage({cmd:z,type:pe,value:e.byteLength}),yr.isPlayer?yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):yr.isPlayback&&(yr.isPlaybackCacheBeforeDecodeForFpsRender(),yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}))):t.type===Q&&yr._opt.hasVideo&&(postMessage({cmd:z,type:me,value:e.byteLength}),postMessage({cmd:z,type:_e,value:t.ts}),yr.isPlayer?yr.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):yr.isPlayback&&(yr.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(yr.isPlaybackCacheBeforeDecodeForFpsRender(),yr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return yr._opt.isM7sCrypto?yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength>0&&yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength>0?r=Gr(e,yr._opt.cryptoKey,yr._opt.cryptoIV,dr):yr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength} or cryptoIV.length is ${yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength} null`):yr._opt.isSm4Crypto?yr._opt.sm4CryptoKey&&t?r=li(e,yr._opt.sm4CryptoKey):yr._opt.sm4CryptoKey||yr.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):yr._opt.isXorCrypto&&(yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength>0&&yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength>0?r=ci(e,yr._opt.cryptoKey,yr._opt.cryptoIV,dr):yr.debug.error("worker",`isXorCrypto cryptoKey.length is ${yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength} or cryptoIV.length is ${yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength} null`)),r},cryptoPayloadAudio:function(e){let t=e;return yr._opt.isM7sCrypto&&(yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength>0&&yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength>0?e[0]>>4===Ce&&(t=$r(e,yr._opt.cryptoKey,yr._opt.cryptoIV)):yr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${yr._opt.cryptoKey&&yr._opt.cryptoKey.byteLength} or cryptoIV.length is ${yr._opt.cryptoIV&&yr._opt.cryptoIV.byteLength} null`)),t},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(ur=r===Ce?i?16:8:0===i?8:16,br&&br.setCodec)if(ot(e)||r===Te||r===ke||r===Fe){yr.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${r}`);const i=r===Ce?e.slice(2):new Uint8Array(0);br.setCodec(r,yr._opt.sampleRate,i),postMessage({cmd:k,buffer:i},[i.buffer]),je=!0,r!==Ce&&(r===Fe?(yr.mp3Demuxer||(yr.mp3Demuxer=new hi(yr),yr.mp3Demuxer.on("data",((e,t)=>{br.decode(e,t)}))),yr.mp3Demuxer.dispatch(e.slice(1),t)):br.decode(e.slice(1),t));{const e=Number("1")||1;setTimeout((()=>{yr.debug.error("worker","jessibuca pro 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large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}Ge=!0,vr.setCodec(t,r),yr._opt.recordType===g&&postMessage({cmd:I,buffer:e,codecId:t},[e.buffer])}else yr.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else yr.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else yr.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,t,i){let s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;if(yr.isDestroyed)yr.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(xt(r))postMessage({cmd:P,payload:e,isIFrame:i,ts:t,cts:s,delay:yr.delay},[e.buffer]);else if(Ge)if(!qe&&i&&(qe=!0),qe){if(i&&Ut(e)){const t=15&e[0];let r={};t===Ee?r=zt(e.slice(5)):t===Ue&&(r=Zt(e)),r.codecWidth&&r.codecHeight&&b&&S&&(r.codecWidth!==b||r.codecHeight!==S)&&(yr.debug.warn("worker",`\n                            decodeVideo: video width or height is changed,\n                            old width is ${b}, old height is ${S},\n                            new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                            and emit change event`),or=!0,postMessage({cmd:G}))}if(or)return void yr.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(lr)return void yr.debug.warn("worker","decodeVideo: simd decode error, and return");if(Ut(e))return void yr.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<12)return void yr.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const r=e.slice(5);vr.decode(r,i?1:0,t)}else yr.debug.log("worker","decodeVideo first frame is not iFrame");else yr.setCodecVideo(e)},clearBuffer:function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];yr.debug.log("worker",`clearBuffer,bufferList length is ${i.length}, need clear is ${e}`),e&&(i=[]),yr.isPlayer&&(yr.resetAllDelay(),xt(yr._opt.checkFirstIFrame)&&(yr.dropping=!0,postMessage({cmd:M}))),xt(yr._opt.checkFirstIFrame)&&At(r)&&(qe=!1)},dropBuffer$2:function(){if(i.length>0){let e=i.findIndex((e=>xt(e.isIFrame)&&e.type===Q));if(yr.isAllIframeInBufferList())for(let t=0;t<i.length;t++){const r=i[t],s=yr.getDelayNotUpdateDelay(r.ts,r.type);if(s>=yr.getNotDroppingDelayTs()){yr.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${s} and notDroppingDelayTs is ${yr.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){yr.isPushDropping=!0,postMessage({cmd:M});const t=i.length;i=i.slice(e);const r=i.shift();yr.resetAllDelay(),yr.getDelay(r.ts,r.type),yr.doDecode(r),yr.isPushDropping=!1,yr.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${i.length} and new delay is ${yr.delay} `)}else yr.isPushDropping=!1}0===i.length&&(yr.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 J:yr.decode(new Uint8Array(e,5),{type:J,ts:r});break;case Q:if(t.byteLength>=11){const i=new Uint8Array(e,5),s=i[0];if(yr._isEnhancedH265Header(s))yr._decodeEnhancedH265Video(i,r);else{const e=t.getUint8(5)>>4==1;if(e&&(yr.calcIframeIntervalTimestamp(r),Ut(i)&&null===dr)){const e=15&i[0];dr=e===Ue}yr.isPlayer&&yr.calcNetworkDelay(r),n[0]=i[4],n[1]=i[3],n[2]=i[2],n[3]=0;let s=n[0],a=yr.cryptoPayload(i,e);yr.decode(a,{type:Q,ts:r,isIFrame:e,cts:s})}}else yr.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){mr.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);_r.dispatch(t)},demuxMpeg4:function(e){gr.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),l="a"==String.fromCharCode(n[0]);if(dr=At(l),s===tt){if(i===st){const r=e.slice(5);if(l);else{const i=new Uint8Array(5+r.length);i.set([28,0,0,0,0],0),i.set(r,5),hr=Xt(e,dr),yr.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${dr} and nalUnitSize is ${hr}`),yr.decode(i,{type:Q,ts:t,isIFrame:!0,cts:0})}}}else if(s===rt){let r=e,s=0;const n=i===st;n&&yr.calcIframeIntervalTimestamp(t),l||(o[0]=e[4],o[1]=e[3],o[2]=e[2],o[3]=0,s=o[0],r=tr(e.slice(8),n),r=yr.cryptoPayload(r,n),yr.decode(r,{type:Q,ts:t,isIFrame:n,cts:s}))}else if(s===it){const r=i===st;r&&yr.calcIframeIntervalTimestamp(t);let s=tr(e.slice(5),r);s=yr.cryptoPayload(s,r),yr.decode(s,{type:Q,ts:t,isIFrame:r,cts:0})}},_isEnhancedH265Header:function(e){return(e&et)===et},findSei:function(e,t){let r=4;_t(hr)&&(r=hr),qt(e.slice(5),r).forEach((e=>{const r=dr?e[0]>>>1&63:31&e[0];(dr&&(r===He||r===$e)||At(dr)&&r===Le)&&postMessage({cmd:j,buffer:e,ts:t},[e.buffer])}))},flvHasUnitTypeIDR(e,t){const r=qt(e.slice(5));let i=!1;return r.forEach((e=>{const r=t?e[0]>>>1&63:31&e[0];(t&&(r===ze||r===Re)||At(t)&&r===Pe)&&(i=!0)})),i},calcNetworkDelay:function(e){if(!(qe&&e>0))return;null===ft?(ft=e,Bt=ht()):e<ft&&(yr.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${ft}`),ft=e,Bt=ht());const t=e-ft,r=ht()-Bt,i=r>t?r-t:0;yr.networkDelay=i,i>yr._opt.networkDelay&&yr._opt.playType===m&&(yr.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${ft} vs start is ${t},local diff is ${r} ,delay is ${i}`),postMessage({cmd:z,type:be,value:i}))},calcIframeIntervalTimestamp:function(e){null===Lt?Lt=e:Lt<e&&(kt=e-Lt,postMessage({cmd:R,value:kt}),Lt=e)},canVisibilityDecodeNotDrop:function(){return yr._opt.visibility&&b*S<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return yr.isPlayback&&yr._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return yr._opt.playbackRate>=yr._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return yr.isPlayer&&yr._opt.useMSE&&xt(r)},playbackUpdatePlaybackRate:function(){yr.clearBuffer(!0)},onOffscreenCanvasWebglContextLost:function(e){yr.debug.error("worker","handleOffscreenCanvasWebglContextLost and next try to create webgl"),e.preventDefault(),Jt=!0,yr.webglObj.destroy(),yr.webglObj=null,yr.offscreenCanvasGL=null,setTimeout((()=>{yr.offscreenCanvasGL=yr.offscreenCanvas.getContext("webgl"),yr.offscreenCanvasGL&&yr.offscreenCanvasGL.getContextAttributes().stencil?(yr.webglObj=h(yr.offscreenCanvasGL,yr._opt.openWebglAlignment),Jt=!1):yr.debug.error("worker","handleOffscreenCanvasWebglContextLost, stencil is 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Uint8Array(s);if(Tt=null,yr.useOffscreen())try{if(Jt)return;yr.webglObj.renderYUV(b,S,n);let e=yr.offscreenCanvas.transferToImageBitmap();postMessage({cmd:x,buffer:e,delay:yr.delay,ts:r},[e])}catch(e){yr.debug.error("worker","yuvData, transferToImageBitmap error is",e)}else postMessage({cmd:x,output:n,delay:yr.delay,ts:r},[n.buffer])},pcmData:function(e,r,i){if(yr.isDestroyed)return void yr.debug.log("worker","pcmData, decoder is destroyed and return");let n=r,a=[],o=0,l=yr._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(Dt){if(!(n>=(r=l-Dt)))return 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ue:yr.sendWebsocketMessage(t.message)}}}(e,e,!0)}))}));