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ayTimeout",loadingTimeout:"loadingTimeout",networkDelayTimeout:we,aliyunRtcError:"aliyunRtcError",...{talkStreamError:"talkStreamError",talkStreamClose:"talkStreamClose"}},Ee=1,xe=7,Be=12,Te=99,Ce="H264(AVC)",ke="H265(HEVC)",Ie=10,De=7,Fe=8,Le=2,Pe=7,Re=8,Me=5,ze=6,Ne=19,Oe=20,Ge=32,He=33,Ve=34,$e=39,We=39,Ye=40,je="key",qe="delta",Ke='video/mp4; 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e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}class ai{static _ebsp2rbsp(e){let t=e,i=t.byteLength,r=new Uint8Array(i),s=0;for(let e=0;e<i;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(r[s]=t[e],s++);return new Uint8Array(r.buffer,0,s)}static parseSPS(e){let t=ai._ebsp2rbsp(e),i=new ni(t);i.readByte();let r=i.readByte();i.readByte();let s=i.readByte();i.readUEG();let n=ai.getProfileString(r),a=ai.getLevelString(s),o=1,d=420,l=[0,420,422,444],u=8;if((100===r||110===r||122===r||244===r||44===r||83===r||86===r||118===r||128===r||138===r||144===r)&&(o=i.readUEG(),3===o&&i.readBits(1),o<=3&&(d=l[o]),u=i.readUEG()+8,i.readUEG(),i.readBits(1),i.readBool())){let e=3!==o?8:12;for(let t=0;t<e;t++)i.readBool()&&(t<6?ai._skipScalingList(i,16):ai._skipScalingList(i,64))}i.readUEG();let c=i.readUEG();if(0===c)i.readUEG();else if(1===c){i.readBits(1),i.readSEG(),i.readSEG();let e=i.readUEG();for(let t=0;t<e;t++)i.readSEG()}let h=i.readUEG();i.readBits(1);let f=i.readUEG(),p=i.readUEG(),m=i.readBits(1);0===m&&i.readBits(1),i.readBits(1);let _=0,g=0,y=0,b=0;i.readBool()&&(_=i.readUEG(),g=i.readUEG(),y=i.readUEG(),b=i.readUEG());let v=1,S=1,w=0,U=!0,A=0,E=0;if(i.readBool()){if(i.readBool()){let e=i.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?(v=t[e-1],S=r[e-1]):255===e&&(v=i.readByte()<<8|i.readByte(),S=i.readByte()<<8|i.readByte())}if(i.readBool()&&i.readBool(),i.readBool()&&(i.readBits(4),i.readBool()&&i.readBits(24)),i.readBool()&&(i.readUEG(),i.readUEG()),i.readBool()){let e=i.readBits(32),t=i.readBits(32);U=i.readBool(),A=t,E=2*e,w=A/E}}let x=1;1===v&&1===S||(x=v/S);let B=0,T=0;if(0===o)B=1,T=2-m;else{B=3===o?1:2,T=(1===o?2:1)*(2-m)}let C=16*(f+1),k=16*(p+1)*(2-m);C-=(_+g)*B,k-=(y+b)*T;let I=Math.ceil(C*x);return i.destroy(),i=null,{profile_string:n,level_string:a,bit_depth:u,ref_frames:h,chroma_format:d,chroma_format_string:ai.getChromaFormatString(d),frame_rate:{fixed:U,fps:w,fps_den:E,fps_num:A},sar_ratio:{width:v,height:S},codec_size:{width:C,height:k},present_size:{width:I,height:k}}}static parseSPS$2(e){let t=e.subarray(1,4),i="avc1.";for(let e=0;e<3;e++){let r=t[e].toString(16);r.length<2&&(r="0"+r),i+=r}let r=ai._ebsp2rbsp(e),s=new ni(r);s.readByte();let n=s.readByte();s.readByte();let a=s.readByte();s.readUEG();let o=ai.getProfileString(n),d=ai.getLevelString(a),l=1,u=420,c=[0,420,422,444],h=8,f=8;if((100===n||110===n||122===n||244===n||44===n||83===n||86===n||118===n||128===n||138===n||144===n)&&(l=s.readUEG(),3===l&&s.readBits(1),l<=3&&(u=c[l]),h=s.readUEG()+8,f=s.readUEG()+8,s.readBits(1),s.readBool())){let e=3!==l?8:12;for(let t=0;t<e;t++)s.readBool()&&(t<6?ai._skipScalingList(s,16):ai._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,S=0,w=0;s.readBool()&&(b=s.readUEG(),v=s.readUEG(),S=s.readUEG(),w=s.readUEG());let U=1,A=1,E=0,x=!0,B=0,T=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],i=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(U=t[e-1],A=i[e-1]):255===e&&(U=s.readByte()<<8|s.readByte(),A=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);x=s.readBool(),B=t,T=2*e,E=B/T}}let C=1;1===U&&1===A||(C=U/A);let k=0,I=0;if(0===l)k=1,I=2-y;else{k=3===l?1:2,I=(1===l?2:1)*(2-y)}let D=16*(_+1),F=16*(g+1)*(2-y);D-=(b+v)*k,F-=(S+w)*I;let L=Math.ceil(D*C);return s.destroy(),s=null,{codec_mimetype:i,profile_idc:n,level_idc:a,profile_string:o,level_string:d,chroma_format_idc:l,bit_depth:h,bit_depth_luma:h,bit_depth_chroma:f,ref_frames:m,chroma_format:u,chroma_format_string:ai.getChromaFormatString(u),frame_rate:{fixed:x,fps:E,fps_den:T,fps_num:B},sar_ratio:{width:U,height:A},codec_size:{width:D,height:F},present_size:{width:L,height:F}}}static _skipScalingList(e,t){let i=8,r=8,s=0;for(let n=0;n<t;n++)0!==r&&(s=e.readSEG(),r=(i+s+256)%256),i=0===r?i:r}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 oi{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,i=0;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,i=this.bufoff+e>8?8-this.bufoff:e,t<<=i,t+=this.buffer[this.bufpos]>>8-this.bufoff-i&255>>8-i,this.bufoff+=i,e-=i,8==this.bufoff&&(this.bufpos++,this.bufoff=0)}return t}look(e){let t=this.bufpos,i=this.bufoff,r=this.read(e);return this.bufpos=t,this.bufoff=i,r}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function di(e){const t={},i=new DataView(e.buffer);let r=i.getUint8(0),s=i.getUint8(1);if(i.getUint8(2),i.getUint8(3),1!==r||0===s)return{};const n=1+(3&i.getUint8(4));if(3!==n&&4!==n)return{};let a=31&i.getUint8(5);if(0===a)return{};let o=6;for(let r=0;r<a;r++){let s=i.getUint16(o,!1);if(o+=2,0===s)continue;let n=new Uint8Array(e.buffer,o,s);o+=s;let a=ai.parseSPS(n);if(0!==r)continue;t.sps=n,t.timescale=1e3,t.codecWidth=a.codec_size.width,t.codecHeight=a.codec_size.height,t.presentWidth=a.present_size.width,t.presentHeight=a.present_size.height,t.profile=a.profile_string,t.level=a.level_string,t.bitDepth=a.bit_depth,t.chromaFormat=a.chroma_format,t.sarRatio=a.sar_ratio,t.frameRate=a.frame_rate,!1!==a.frame_rate.fixed&&0!==a.frame_rate.fps_num&&0!==a.frame_rate.fps_den||(t.frameRate={fixed:!0,fps:25,fps_num:25e3,fps_den:1e3});let d=t.frameRate.fps_den,l=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(d/l);let u=n.subarray(1,4),c="avc1.";for(let e=0;e<3;e++){let t=u[e].toString(16);t.length<2&&(t="0"+t),c+=t}t.codec=c}let d=i.getUint8(o);if(0===d)return{};o++;for(let r=0;r<d;r++){let r=i.getUint16(o,!1);if(o+=2,0===r)continue;let s=new Uint8Array(e.buffer,o,r);o+=r,t.pps=s}if(t.videoType="avc",t.sps){const e=t.sps.byteLength,i=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),r=new Uint8Array(e+4);r.set(i,0),r.set(t.sps,4),t.sps=r}if(t.pps){const e=t.pps.byteLength,i=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),r=new Uint8Array(e+4);r.set(i,0),r.set(t.pps,4),t.pps=r}return t}function li(e){let{sps:t,pps:i}=e;const r=[23,0,0,0,0,1,66,0,30,255];r[0]=23,r[6]=t[1],r[7]=t[2],r[8]=t[3],r[10]=225,r[11]=t.byteLength>>8&255,r[12]=255&t.byteLength,r.push(...t,1,i.byteLength>>8&255,255&i.byteLength,...i);return new Uint8Array(r)}function ui(e){let{sps:t,pps:i}=e,r=8+t.byteLength+1+2+i.byteLength,s=!1;const n=ai.parseSPS$2(t);66!==t[3]&&77!==t[3]&&88!==t[3]&&(s=!0,r+=4);let a=new Uint8Array(r);a[0]=1,a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=255,a[5]=225;let o=t.byteLength;a[6]=o>>>8,a[7]=255&o;let d=8;a.set(t,8),d+=o,a[d]=1;let l=i.byteLength;a[d+1]=l>>>8,a[d+2]=255&l,a.set(i,d+3),d+=3+l,s&&(a[d]=252|n.chroma_format_idc,a[d+1]=248|n.bit_depth_luma-8,a[d+2]=248|n.bit_depth_chroma-8,a[d+3]=0,d+=4);const u=[23,0,0,0,0],c=new Uint8Array(u.length+a.byteLength);return c.set(u,0),c.set(a,u.length),c}function ci(e,t){let i=[];i[0]=t?23:39,i[1]=1,i[2]=0,i[3]=0,i[4]=0,i[5]=e.byteLength>>24&255,i[6]=e.byteLength>>16&255,i[7]=e.byteLength>>8&255,i[8]=255&e.byteLength;const r=new Uint8Array(i.length+e.byteLength);return r.set(i,0),r.set(e,i.length),r}function hi(e,t){let i=[];i[0]=t?23:39,i[1]=1,i[2]=0,i[3]=0,i[4]=0;const r=new Uint8Array(i.length+e.byteLength);return r.set(i,0),r.set(e,i.length),r}function fi(e){return 31&e[0]}function pi(e){return e===ze}function mi(e){return!function(e){return e===Pe||e===Re}(e)&&!pi(e)}function _i(e){return e===Me}function gi(e){if(0===e.length)return!1;const t=fi(e[0]);for(let i=1;i<e.length;i++)if(t!==fi(e[i]))return!1;return!0}const yi=e=>{let t=e,i=t.byteLength,r=new Uint8Array(i),s=0;for(let e=0;e<i;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(r[s]=t[e],s++);return new Uint8Array(r.buffer,0,s)},bi=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 vi(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 Si(e){const t=e.length;let i=2,r=0;for(;null!==e[i]&&void 0!==e[i]&&1!==e[i];)i++;if(i++,r=i+2,r>=t)return[];const s=[];for(;r<t;)switch(e[r]){case 0:if(0!==e[r-1]){r+=2;break}if(0!==e[r-2]){r++;break}i!==r-2&&s.push(e.subarray(i,r-2));do{r++}while(1!==e[r]&&r<t);i=r+1,r=i+2;break;case 1:if(0!==e[r-1]||0!==e[r-2]){r+=3;break}i!==r-2&&s.push(e.subarray(i,r-2)),i=r+1,r=i+2;break;default:r+=3}return i<t&&s.push(e.subarray(i)),s}function wi(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4;if(e.length<4)return;const i=e.length,r=[];let s,n=0;for(;n+t<i;)if(s=vi(e,n),3===t&&(s>>>=8),n+=t,s){if(n+s>i)break;r.push(e.subarray(n,n+s)),n+=s}return r}function Ui(e){const t=e.byteLength,i=[];let r=1;for(;r<t-2;)0===e[r]&&0===e[r+1]&&3===e[r+2]?(i.push(r+2),r+=2):r++;if(!i.length)return e;const s=t-i.length,n=new Uint8Array(s);let a=0;for(r=0;r<s;a++,r++)a===i[0]&&(a++,i.shift()),n[r]=e[a];return n}function Ai(e,t){const i=e.length;let r=t?2:1,s=0,n=0,a="";for(;255===e[r];)s+=255,r++;for(s+=e[r++];255===e[r];)n+=255,r++;if(n+=e[r++],5===s&&i>r+16)for(let t=0;t<16;t++)a+=e[r].toString(16),r++;return{payload:e.subarray(r),type:s,size:n,uuid:a}}function Ei(e){const t=e.byteLength,i=new Uint8Array(4);i[0]=t>>>24&255,i[1]=t>>>16&255,i[2]=t>>>8&255,i[3]=255&t;const r=new Uint8Array(t+4);return r.set(i,0),r.set(e,4),r}function xi(e,t){let i=null;return t?e.length>=28&&(i=1+(3&e[26])):e.length>=12&&(i=1+(3&e[9])),i}function Bi(e){let t={width:0,height:0,profile:0,level:0};e=e.slice(5);do{let i={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(i.configurationVersion=e[0],1!=i.configurationVersion)break;i.general_profile_space=e[1]>>6&3,i.general_tier_flag=e[1]>>5&1,i.general_profile_idc=31&e[1],i.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],i.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],i.general_constraint_indicator_flags=i.general_constraint_indicator_flags<<16|e[10]<<8|e[11],i.general_level_idc=e[12],i.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],i.parallelismType=3&e[15],i.chromaFormat=3&e[16],i.bitDepthLumaMinus8=7&e[17],i.bitDepthChromaMinus8=7&e[18],i.avgFrameRate=e[19]<<8|e[20],i.constantFrameRate=e[21]>>6&3,i.numTemporalLayers=e[21]>>3&7,i.temporalIdNested=e[21]>>2&1,i.lengthSizeMinusOne=3&e[21];let r=e[22],s=e.slice(23);for(let e=0;e<r&&!(s.length<3);e++){let e=63&s[0],r=s[1]<<8|s[2];s=s.slice(3);for(let n=0;n<r&&!(s.length<2);n++){let r=s[0]<<8|s[1];if(s.length<2+r)break;if(s=s.slice(2),33==e){let e=new Uint8Array(r);e.set(s.slice(0,r),0),i.psps=Ti(e,i),t.profile=i.general_profile_idc,t.level=i.general_level_idc/30,t.width=i.psps.pic_width_in_luma_samples-(i.psps.conf_win_left_offset+i.psps.conf_win_right_offset),t.height=i.psps.pic_height_in_luma_samples-(i.psps.conf_win_top_offset+i.psps.conf_win_bottom_offset)}s=s.slice(r)}}}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=rt,t}function Ti(e,t){let i={},r=e.length,s=[],n=new oi(e);n.read(1),n.read(6),n.read(6),n.read(3);for(let e=2;e<r;e++)e+2<r&&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 oi(a);if(i.sps_video_parameter_set_id=o.read(4),i.sps_max_sub_layers_minus1=o.read(3),i.sps_temporal_id_nesting_flag=o.read(1),i.profile_tier_level=function(e,t,i){let r={};r.profile_space=e.read(2),r.tier_flag=e.read(1),r.profile_idc=e.read(5),r.profile_compatibility_flags=e.read(32),r.general_progressive_source_flag=e.read(1),r.general_interlaced_source_flag=e.read(1),r.general_non_packed_constraint_flag=e.read(1),r.general_frame_only_constraint_flag=e.read(1),e.read(32),e.read(12),r.level_idc=e.read(8),r.sub_layer_profile_present_flag=[],r.sub_layer_level_present_flag=[];for(let t=0;t<i;t++)r.sub_layer_profile_present_flag[t]=e.read(1),r.sub_layer_level_present_flag[t]=e.read(1);if(i>0)for(let t=i;t<8;t++)e.read(2);r.sub_layer_profile_space=[],r.sub_layer_tier_flag=[],r.sub_layer_profile_idc=[],r.sub_layer_profile_compatibility_flag=[],r.sub_layer_progressive_source_flag=[],r.sub_layer_interlaced_source_flag=[],r.sub_layer_non_packed_constraint_flag=[],r.sub_layer_frame_only_constraint_flag=[],r.sub_layer_level_idc=[];for(let t=0;t<i;t++)r.sub_layer_profile_present_flag[t]&&(r.sub_layer_profile_space[t]=e.read(2),r.sub_layer_tier_flag[t]=e.read(1),r.sub_layer_profile_idc[t]=e.read(5),r.sub_layer_profile_compatibility_flag[t]=e.read(32),r.sub_layer_progressive_source_flag[t]=e.read(1),r.sub_layer_interlaced_source_flag[t]=e.read(1),r.sub_layer_non_packed_constraint_flag[t]=e.read(1),r.sub_layer_frame_only_constraint_flag[t]=e.read(1),e.read(32),e.read(12)),r.sub_layer_level_present_flag[t]?r.sub_layer_level_idc[t]=e.read(8):r.sub_layer_level_idc[t]=1;return r}(o,0,i.sps_max_sub_layers_minus1),i.sps_seq_parameter_set_id=o.read_golomb(),i.chroma_format_idc=o.read_golomb(),3==i.chroma_format_idc?i.separate_colour_plane_flag=o.read(1):i.separate_colour_plane_flag=0,i.pic_width_in_luma_samples=o.read_golomb(),i.pic_height_in_luma_samples=o.read_golomb(),i.conformance_window_flag=o.read(1),i.conformance_window_flag){let e=1+(i.chroma_format_idc<2),t=1+(i.chroma_format_idc<3);i.conf_win_left_offset=o.read_golomb()*t,i.conf_win_right_offset=o.read_golomb()*t,i.conf_win_top_offset=o.read_golomb()*e,i.conf_win_bottom_offset=o.read_golomb()*e}else i.conf_win_left_offset=0,i.conf_win_right_offset=0,i.conf_win_top_offset=0,i.conf_win_bottom_offset=0;return i}function Ci(e){let{vps:t,pps:i,sps:r}=e,s={configurationVersion:1};const n=(e=>{let t=yi(e),i=new ni(t);return i.readByte(),i.readByte(),i.readBits(4),i.readBits(2),i.readBits(6),{num_temporal_layers:i.readBits(3)+1,temporal_id_nested:i.readBool()}})(t),a=(e=>{let t=yi(e),i=new ni(t);i.readByte(),i.readByte();let r=0,s=0,n=0,a=0;i.readBits(4);let o=i.readBits(3);i.readBool();let d=i.readBits(2),l=i.readBool(),u=i.readBits(5),c=i.readByte(),h=i.readByte(),f=i.readByte(),p=i.readByte(),m=i.readByte(),_=i.readByte(),g=i.readByte(),y=i.readByte(),b=i.readByte(),v=i.readByte(),S=i.readByte(),w=[],U=[];for(let e=0;e<o;e++)w.push(i.readBool()),U.push(i.readBool());if(o>0)for(let e=o;e<8;e++)i.readBits(2);for(let e=0;e<o;e++)w[e]&&(i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte(),i.readByte()),w[e]&&i.readByte();i.readUEG();let A=i.readUEG();3==A&&i.readBits(1);let E=i.readUEG(),x=i.readUEG();i.readBool()&&(r+=i.readUEG(),s+=i.readUEG(),n+=i.readUEG(),a+=i.readUEG());let B=i.readUEG(),T=i.readUEG(),C=i.readUEG();for(let e=i.readBool()?0:o;e<=o;e++)i.readUEG(),i.readUEG(),i.readUEG();if(i.readUEG(),i.readUEG(),i.readUEG(),i.readUEG(),i.readUEG(),i.readUEG(),i.readBool()&&i.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++)if(i.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&i.readSEG();for(let e=0;e<t;e++)i.readSEG()}else i.readUEG();i.readBool(),i.readBool(),i.readBool()&&(i.readByte(),i.readUEG(),i.readUEG(),i.readBool());let k=i.readUEG(),I=0;for(let e=0;e<k;e++){let t=!1;if(0!==e&&(t=i.readBool()),t){e===k&&i.readUEG(),i.readBool(),i.readUEG();let t=0;for(let e=0;e<=I;e++){let e=i.readBool(),r=!1;e||(r=i.readBool()),(e||r)&&t++}I=t}else{let e=i.readUEG(),t=i.readUEG();I=e+t;for(let t=0;t<e;t++)i.readUEG(),i.readBool();for(let e=0;e<t;e++)i.readUEG(),i.readBool()}}if(i.readBool()){let e=i.readUEG();for(let t=0;t<e;t++){for(let e=0;e<C+4;e++)i.readBits(1);i.readBits(1)}}let D=!1,F=0,L=1,P=1,R=!1,M=1,z=1;if(i.readBool(),i.readBool(),i.readBool()){if(i.readBool()){let e=i.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?(L=t[e-1],P=r[e-1]):255===e&&(L=i.readBits(16),P=i.readBits(16))}if(i.readBool()&&i.readBool(),i.readBool()&&(i.readBits(3),i.readBool(),i.readBool()&&(i.readByte(),i.readByte(),i.readByte())),i.readBool()&&(i.readUEG(),i.readUEG()),i.readBool(),i.readBool(),i.readBool(),D=i.readBool(),D&&(r+=i.readUEG(),s+=i.readUEG(),n+=i.readUEG(),a+=i.readUEG()),i.readBool()&&(M=i.readBits(32),z=i.readBits(32),i.readBool()&&(i.readUEG(),i.readBool()))){let e=!1,t=!1,r=!1;e=i.readBool(),t=i.readBool(),(e||t)&&(r=i.readBool(),r&&(i.readByte(),i.readBits(5),i.readBool(),i.readBits(5)),i.readBits(4),i.readBits(4),r&&i.readBits(4),i.readBits(5),i.readBits(5),i.readBits(5));for(let s=0;s<=o;s++){let s=i.readBool();R=s;let n=!1,a=1;s||(n=i.readBool());let o=!1;if(n?i.readSEG():o=i.readBool(),o||(cpbcnt=i.readUEG()+1),e)for(let e=0;e<a;e++)i.readUEG(),i.readUEG(),r&&(i.readUEG(),i.readUEG());if(t)for(let e=0;e<a;e++)i.readUEG(),i.readUEG(),r&&(i.readUEG(),i.readUEG())}}i.readBool()&&(i.readBool(),i.readBool(),i.readBool(),F=i.readUEG(),i.readUEG(),i.readUEG(),i.readUEG(),i.readUEG())}i.readBool();let N=`hvc1.${u}.1.L${S}.B0`,O=E,G=x,H=1;return 1!==L&&1!==P&&(H=L/P),i.destroy(),i=null,{codec_mimetype:N,level_string:(V=S,(V/30).toFixed(1)),profile_idc:u,bit_depth:B+8,ref_frames:1,chroma_format:A,chroma_format_string:bi(A),general_level_idc:S,general_profile_space:d,general_tier_flag:l,general_profile_idc:u,general_profile_compatibility_flags_1:c,general_profile_compatibility_flags_2:h,general_profile_compatibility_flags_3:f,general_profile_compatibility_flags_4:p,general_constraint_indicator_flags_1:m,general_constraint_indicator_flags_2:_,general_constraint_indicator_flags_3:g,general_constraint_indicator_flags_4:y,general_constraint_indicator_flags_5:b,general_constraint_indicator_flags_6:v,min_spatial_segmentation_idc:F,constant_frame_rate:0,chroma_format_idc:A,bit_depth_luma_minus8:B,bit_depth_chroma_minus8:T,frame_rate:{fixed:R,fps:z/M,fps_den:M,fps_num:z},sar_ratio:{width:L,height:P},codec_size:{width:O,height:G},present_size:{width:O*H,height:G}};var V})(r),o=(e=>{let t=yi(e),i=new ni(t);i.readByte(),i.readByte(),i.readUEG(),i.readUEG(),i.readBool(),i.readBool(),i.readBits(3),i.readBool(),i.readBool(),i.readUEG(),i.readUEG(),i.readSEG(),i.readBool(),i.readBool(),i.readBool()&&i.readUEG(),i.readSEG(),i.readSEG(),i.readBool(),i.readBool(),i.readBool(),i.readBool();let r=i.readBool(),s=i.readBool(),n=1;return s&&r?n=0:s?n=3:r&&(n=2),{parallelismType:n}})(i);s=Object.assign(s,n,a,o);let d=23+(5+t.byteLength)+(5+r.byteLength)+(5+i.byteLength),l=new 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or(e){for(var t=[],i=0;i<e.length;i+=4)t.push(e[i]<<24|e[i+1]<<16|e[i+2]<<8|e[i+3]);return t}var dr=function(e){if(!(this instanceof dr))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:Ni(e,!0)}),this._prepare()};dr.prototype._prepare=function(){var e=Wi[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 i,r=4*(e+1),s=this.key.length/4,n=or(this.key);for(t=0;t<s;t++)i=t>>2,this._Ke[i][t%4]=n[t],this._Kd[e-i][t%4]=n[t];for(var a,o=0,d=s;d<r;){if(a=n[s-1],n[0]^=ji[a>>16&255]<<24^ji[a>>8&255]<<16^ji[255&a]<<8^ji[a>>24&255]^Yi[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]^=ji[255&a]^ji[a>>8&255]<<8^ji[a>>16&255]<<16^ji[a>>24&255]<<24;for(t=s/2+1;t<s;t++)n[t]^=n[t-1]}for(t=0;t<s&&d<r;)l=d>>2,u=d%4,this._Ke[l][u]=n[t],this._Kd[e-l][u]=n[t++],d++}for(var l=1;l<e;l++)for(var u=0;u<4;u++)a=this._Kd[l][u],this._Kd[l][u]=rr[a>>24&255]^sr[a>>16&255]^nr[a>>8&255]^ar[255&a]},dr.prototype.encrypt=function(e){if(16!=e.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var t=this._Ke.length-1,i=[0,0,0,0],r=or(e),s=0;s<4;s++)r[s]^=this._Ke[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)i[s]=Ki[r[s]>>24&255]^Xi[r[(s+1)%4]>>16&255]^Zi[r[(s+2)%4]>>8&255]^Ji[255&r[(s+3)%4]]^this._Ke[n][s];r=i.slice()}var a,o=Oi(16);for(s=0;s<4;s++)a=this._Ke[t][s],o[4*s]=255&(ji[r[s]>>24&255]^a>>24),o[4*s+1]=255&(ji[r[(s+1)%4]>>16&255]^a>>16),o[4*s+2]=255&(ji[r[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(ji[255&r[(s+3)%4]]^a);return o},dr.prototype.decrypt=function(e){if(16!=e.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var t=this._Kd.length-1,i=[0,0,0,0],r=or(e),s=0;s<4;s++)r[s]^=this._Kd[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)i[s]=Qi[r[s]>>24&255]^er[r[(s+3)%4]>>16&255]^tr[r[(s+2)%4]>>8&255]^ir[255&r[(s+1)%4]]^this._Kd[n][s];r=i.slice()}var a,o=Oi(16);for(s=0;s<4;s++)a=this._Kd[t][s],o[4*s]=255&(qi[r[s]>>24&255]^a>>24),o[4*s+1]=255&(qi[r[(s+3)%4]>>16&255]^a>>16),o[4*s+2]=255&(qi[r[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(qi[255&r[(s+1)%4]]^a);return o};var lr=function(e){if(!(this instanceof lr))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new dr(e)};lr.prototype.encrypt=function(e){if((e=Ni(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Oi(e.length),i=Oi(16),r=0;r<e.length;r+=16)Gi(e,i,0,r,r+16),Gi(i=this._aes.encrypt(i),t,r);return t},lr.prototype.decrypt=function(e){if((e=Ni(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Oi(e.length),i=Oi(16),r=0;r<e.length;r+=16)Gi(e,i,0,r,r+16),Gi(i=this._aes.decrypt(i),t,r);return t};var ur=function(e,t){if(!(this instanceof ur))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=Oi(16);this._lastCipherblock=Ni(t,!0),this._aes=new dr(e)};ur.prototype.encrypt=function(e){if((e=Ni(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Oi(e.length),i=Oi(16),r=0;r<e.length;r+=16){Gi(e,i,0,r,r+16);for(var s=0;s<16;s++)i[s]^=this._lastCipherblock[s];this._lastCipherblock=this._aes.encrypt(i),Gi(this._lastCipherblock,t,r)}return t},ur.prototype.decrypt=function(e){if((e=Ni(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Oi(e.length),i=Oi(16),r=0;r<e.length;r+=16){Gi(e,i,0,r,r+16),i=this._aes.decrypt(i);for(var s=0;s<16;s++)t[r+s]=i[s]^this._lastCipherblock[s];Gi(e,this._lastCipherblock,0,r,r+16)}return t};var cr=function(e,t,i){if(!(this instanceof cr))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=Oi(16);i||(i=1),this.segmentSize=i,this._shiftRegister=Ni(t,!0),this._aes=new dr(e)};cr.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,i=Ni(e,!0),r=0;r<i.length;r+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)i[r+s]^=t[s];Gi(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Gi(i,this._shiftRegister,16-this.segmentSize,r,r+this.segmentSize)}return i},cr.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,i=Ni(e,!0),r=0;r<i.length;r+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var s=0;s<this.segmentSize;s++)i[r+s]^=t[s];Gi(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Gi(e,this._shiftRegister,16-this.segmentSize,r,r+this.segmentSize)}return i};var hr=function(e,t){if(!(this instanceof hr))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=Oi(16);this._lastPrecipher=Ni(t,!0),this._lastPrecipherIndex=16,this._aes=new dr(e)};hr.prototype.encrypt=function(e){for(var t=Ni(e,!0),i=0;i<t.length;i++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),t[i]^=this._lastPrecipher[this._lastPrecipherIndex++];return t},hr.prototype.decrypt=hr.prototype.encrypt;var fr=function(e){if(!(this instanceof fr))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=Oi(16),this.setValue(e)):this.setBytes(e)};fr.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)},fr.prototype.setBytes=function(e){if(16!=(e=Ni(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},fr.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var pr=function(e,t){if(!(this instanceof pr))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof fr||(t=new fr(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new dr(e)};pr.prototype.encrypt=function(e){for(var t=Ni(e,!0),i=0;i<t.length;i++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[i]^=this._remainingCounter[this._remainingCounterIndex++];return t},pr.prototype.decrypt=pr.prototype.encrypt;const mr={AES:dr,Counter:fr,ModeOfOperation:{ecb:lr,cbc:ur,cfb:cr,ofb:hr,ctr:pr},utils:{hex:$i,utf8:Vi},padding:{pkcs7:{pad:function(e){var t=16-(e=Ni(e,!0)).length%16,i=Oi(e.length+t);Gi(e,i);for(var r=e.length;r<i.length;r++)i[r]=t;return i},strip:function(e){if((e=Ni(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 i=e.length-t,r=0;r<t;r++)if(e[i+r]!==t)throw new Error("PKCS#7 invalid padding byte");var s=Oi(i);return Gi(e,s,0,0,i),s}}},_arrayTest:{coerceArray:Ni,createArray:Oi,copyArray:Gi}};function _r(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function gr(e,t,i){let r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];t=new Uint8Array(t),i=new Uint8Array(i);const s=e.byteLength;let n=5;for(;n<s;){let a=_r(e.slice(n,n+4));if(a>s)break;let o=e[n+4],d=!1;if(r?(o=o>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,d=1===o||5===o),d){const r=e.slice(n+4+2,n+4+a);let s=new mr.ModeOfOperation.ctr(t,new mr.Counter(i));const o=s.decrypt(r);s=null,e.set(o,n+4+2)}n=n+4+a}return e}function yr(e,t,i){if(e.byteLength<=30)return e;const r=e.slice(32);let s=new mr.ModeOfOperation.ctr(t,new mr.Counter(i));const n=s.decrypt(r);return s=null,e.set(n,32),e}var br=St((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 i;function r(e,t){for(var i=(""+e).split(".");i[0].length<t;)i[0]="0"+i[0];return i.join(".")}e<0?(i=!0,e=-e):i=!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),(i?"-":"")+n+":"+r(a,2)+":"+r(s,2)+"."+r(o,3)},a.printRanges=function(e){var t=e.length;if(t>0){for(var i="",r=0;r<t;r++)r>0&&(i+=","),i+="["+a.getDurationString(e.start(r))+","+a.getDurationString(e.end(r))+"]";return i}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 i=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:i=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:i=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";i=this.dataview.getUint8(this.position)<<16,i|=this.dataview.getUint8(this.position+1)<<8,i|=this.dataview.getUint8(this.position+2);break;case 4:i=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";i=this.dataview.getUint32(this.position)<<32,i|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,i}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="",i=0;i<e;i++)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),i=0;i<e;i++)t[i]=this.readUint8();return t},o.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readInt16();return t},o.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),i=0;i<e;i++)t[i]=this.readUint16();return t},o.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),i=0;i<e;i++)t[i]=this.readUint32();return t},o.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),i=0;i<e;i++)t[i]=this.readInt32();return t},t.MP4BoxStream=o;var d=function(e,t,i){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==i?d.LITTLE_ENDIAN:i};d.prototype={},d.prototype.getPosition=function(){return this.position},d.prototype._realloc=function(e){if(this._dynamicSize){var t=this._byteOffset+this.position+e,i=this._buffer.byteLength;if(t<=i)t>this._byteLength&&(this._byteLength=t);else{for(i<1&&(i=1);t>i;)i*=2;var r=new ArrayBuffer(i),s=new Uint8Array(this._buffer);new Uint8Array(r,0,s.length).set(s),this.buffer=r,this._byteLength=t}}},d.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var e=new ArrayBuffer(this._byteLength),t=new Uint8Array(e),i=new Uint8Array(this._buffer,0,t.length);t.set(i),this.buffer=e}},d.BIG_ENDIAN=!1,d.LITTLE_ENDIAN=!0,d.prototype._byteLength=0,Object.defineProperty(d.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(d.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(e){this._buffer=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset,this._buffer=e.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+e.byteLength}}),d.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},d.prototype.isEof=function(){return this.position>=this._byteLength},d.prototype.mapUint8Array=function(e){this._realloc(1*e);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var i=new Int32Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var i=new Int16Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var i=new Uint32Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var i=new Uint16Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var i=new Float64Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var i=new Float32Array(e);return d.memcpy(i.buffer,0,this.buffer,this.byteOffset+this.position,e*i.BYTES_PER_ELEMENT),d.arrayToNative(i,null==t?this.endianness:t),this.position+=i.byteLength,i},d.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},d.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},d.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},d.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,d.memcpy=function(e,t,i,r,s){var n=new Uint8Array(e,t,s),a=new Uint8Array(i,r,s);n.set(a)},d.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},d.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},d.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),i=0;i<e.byteLength;i+=e.BYTES_PER_ELEMENT)for(var r=i+e.BYTES_PER_ELEMENT-1,s=i;r>s;r--,s++){var n=t[s];t[s]=t[r],t[r]=n}return e},d.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],i=0;i<e.length;i++)t[i]=e[i];return String.fromCharCode.apply(null,t)},d.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},d.prototype.readCString=function(e){var t=this.byteLength-this.position,i=new Uint8Array(this._buffer,this._byteOffset+this.position),r=t;null!=e&&(r=Math.min(e,t));for(var s=0;s<r&&0!==i[s];s++);var n=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(s)]);return null!=e?this.position+=r-s:s!=t&&(this.position+=1),n};var l=Math.pow(2,32);d.prototype.readInt64=function(){return this.readInt32()*l+this.readUint32()},d.prototype.readUint64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readInt64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=d,d.prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var i=window.URL.createObjectURL(t),r=document.createElement("a");document.body.appendChild(r),r.setAttribute("href",i),r.setAttribute("download",e),r.setAttribute("target","_self"),r.click(),window.URL.revokeObjectURL(i)},d.prototype._dynamicSize=!0,Object.defineProperty(d.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),d.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),i=new Uint8Array(t),r=new Uint8Array(this._buffer,e,i.length);i.set(r),this.buffer=t,this.position-=e},d.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeInt32(e[i],t)},d.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeInt16(e[i],t)},d.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},d.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeUint32(e[i],t)},d.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeUint16(e[i],t)},d.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},d.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeFloat64(e[i],t)},d.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var i=0;i<e.length;i++)this.writeFloat32(e[i],t)},d.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},d.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},d.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},d.prototype.writeUCS2String=function(e,t,i){null==i&&(i=e.length);for(var r=0;r<e.length&&r<i;r++)this.writeUint16(e.charCodeAt(r),t);for(;r<i;r++)this.writeUint16(0)},d.prototype.writeString=function(e,t,i){var r=0;if(null==t||"ASCII"==t)if(null!=i){var s=Math.min(e.length,i);for(r=0;r<s;r++)this.writeUint8(e.charCodeAt(r));for(;r<i;r++)this.writeUint8(0)}else for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,i)))},d.prototype.writeCString=function(e,t){var i=0;if(null!=t){var r=Math.min(e.length,t);for(i=0;i<r;i++)this.writeUint8(e.charCodeAt(i));for(;i<t;i++)this.writeUint8(0)}else{for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));this.writeUint8(0)}},d.prototype.writeStruct=function(e,t){for(var i=0;i<e.length;i+=2){var r=e[i+1];this.writeType(r,t[e[i]],t)}},d.prototype.writeType=function(e,t,i){var r;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,i);var s=null,n="ASCII",a=this.position;switch("string"==typeof e&&/:/.test(e)&&(r=e.split(":"),e=r[0],s=parseInt(r[1])),"string"==typeof e&&/,/.test(e)&&(r=e.split(","),e=r[0],n=parseInt(r[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,d.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,d.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,d.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,d.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,d.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,d.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,d.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,d.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,d.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,d.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,d.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,d.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,s);break;case"string":this.writeString(t,n,s);break;case"u16string":this.writeUCS2String(t,this.endianness,s);break;case"u16stringle":this.writeUCS2String(t,d.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(t,d.BIG_ENDIAN,s);break;default:if(3==e.length){for(var o=e[1],l=0;l<t.length;l++)this.writeType(o,t[l]);break}this.writeStruct(e,t)}null!=s&&(this.position=a,this._realloc(s),this.position=a+s)},d.prototype.writeUint64=function(e){var t=Math.floor(e/l);this.writeUint32(t),this.writeUint32(4294967295&e)},d.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},d.prototype.adjustUint32=function(e,t){var i=this.position;this.seek(e),this.writeUint32(t),this.seek(i)},d.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var i=new Int32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=4*e,i},d.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var i=new Int16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=2*e,i},d.prototype.mapInt8Array=function(e){this._realloc(1*e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var i=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=4*e,i},d.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var i=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=2*e,i},d.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var i=new Float64Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=8*e,i},d.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var i=new Float32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(i,null==t?this.endianness:t),this.position+=4*e,i};var u=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(u.prototype=new d(new ArrayBuffer,0,d.BIG_ENDIAN)).initialized=function(){var e;return this.bufferIndex>-1||(this.buffers.length>0?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,a.debug("MultiBufferStream","Stream ready for parsing"),!0):(a.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(a.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){a.debug("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var i=new Uint8Array(e.byteLength+t.byteLength);return i.set(new Uint8Array(e),0),i.set(new Uint8Array(t),e.byteLength),i.buffer},u.prototype.reduceBuffer=function(e,t,i){var r;return(r=new Uint8Array(i)).set(new Uint8Array(e,t,i)),r.buffer.fileStart=e.fileStart+t,r.buffer.usedBytes=0,r.buffer},u.prototype.insertBuffer=function(e){for(var t=!0,i=0;i<this.buffers.length;i++){var r=this.buffers[i];if(e.fileStart<=r.fileStart){if(e.fileStart===r.fileStart){if(e.byteLength>r.byteLength){this.buffers.splice(i,1),i--;continue}a.warn("MultiBufferStream","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}else e.fileStart+e.byteLength<=r.fileStart||(e=this.reduceBuffer(e,0,r.fileStart-e.fileStart)),a.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(i,0,e),0===i&&(this.buffer=e);t=!1;break}if(e.fileStart<r.fileStart+r.byteLength){var s=r.fileStart+r.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===i&&(this.buffer=e))},u.prototype.logBufferLevel=function(e){var t,i,r,s,n,o=[],d="";for(r=0,s=0,t=0;t<this.buffers.length;t++)i=this.buffers[t],0===t?(n={},o.push(n),n.start=i.fileStart,n.end=i.fileStart+i.byteLength,d+="["+n.start+"-"):n.end===i.fileStart?n.end=i.fileStart+i.byteLength:((n={}).start=i.fileStart,d+=o[o.length-1].end-1+"], ["+n.start+"-",n.end=i.fileStart+i.byteLength,o.push(n)),r+=i.usedBytes,s+=i.byteLength;o.length>0&&(d+=n.end-1+"]");var l=e?a.info:a.debug;0===this.buffers.length?l("MultiBufferStream","No more buffer in memory"):l("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+r+"/"+s+" bytes), continuous ranges: "+d)},u.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(a.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},u.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,i=this.buffer.usedBytes,r=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=i,this.buffer.fileStart=r,a.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},u.prototype.findPosition=function(e,t,i){var r,s=null,n=-1;for(r=!0===e?0:this.bufferIndex;r<this.buffers.length&&(s=this.buffers[r]).fileStart<=t;)n=r,i&&(s.fileStart+s.byteLength<=t?s.usedBytes=s.byteLength:s.usedBytes=t-s.fileStart,this.logBufferLevel()),r++;return-1!==n&&(s=this.buffers[n]).fileStart+s.byteLength>=t?(a.debug("MultiBufferStream","Found position in existing buffer #"+n),n):-1},u.prototype.findEndContiguousBuf=function(e){var t,i,r,s=void 0!==e?e:this.bufferIndex;if(i=this.buffers[s],this.buffers.length>s+1)for(t=s+1;t<this.buffers.length&&(r=this.buffers[t]).fileStart===i.fileStart+i.byteLength;t++)i=r;return i.fileStart+i.byteLength},u.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},u.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},u.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},u.prototype.seek=function(e,t,i){var r;return-1!==(r=this.findPosition(t,e,i))?(this.buffer=this.buffers[r],this.bufferIndex=r,this.position=e-this.buffer.fileStart,a.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(a.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},u.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},u.prototype.getLength=function(){return this.byteLength},u.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=u;var c=function(){var e=[];e[3]="ES_Descriptor",e[4]="DecoderConfigDescriptor",e[5]="DecoderSpecificInfo",e[6]="SLConfigDescriptor",this.getDescriptorName=function(t){return e[t]};var t=this,i={};return this.parseOneDescriptor=function(t){var r,s,n,o=0;for(r=t.readUint8(),n=t.readUint8();128&n;)o=(127&n)<<7,n=t.readUint8();return o+=127&n,a.debug("MPEG4DescriptorParser","Found "+(e[r]||"Descriptor "+r)+", size "+o+" at position "+t.getPosition()),(s=e[r]?new i[e[r]](o):new i.Descriptor(o)).parse(t),s},i.Descriptor=function(e,t){this.tag=e,this.size=t,this.descs=[]},i.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)},i.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},i.Descriptor.prototype.parseRemainingDescriptors=function(e){for(var i=e.position;e.position<i+this.size;){var r=t.parseOneDescriptor(e);this.descs.push(r)}},i.ES_Descriptor=function(e){i.Descriptor.call(this,3,e)},i.ES_Descriptor.prototype=new i.Descriptor,i.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)},i.ES_Descriptor.prototype.getOTI=function(e){var t=this.findDescriptor(4);return t?t.oti:0},i.ES_Descriptor.prototype.getAudioConfig=function(e){var t=this.findDescriptor(4);if(!t)return null;var i=t.findDescriptor(5);if(i&&i.data){var r=(248&i.data[0])>>3;return 31===r&&i.data.length>=2&&(r=32+((7&i.data[0])<<3)+((224&i.data[1])>>5)),r}return null},i.DecoderConfigDescriptor=function(e){i.Descriptor.call(this,4,e)},i.DecoderConfigDescriptor.prototype=new i.Descriptor,i.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)},i.DecoderSpecificInfo=function(e){i.Descriptor.call(this,5,e)},i.DecoderSpecificInfo.prototype=new i.Descriptor,i.SLConfigDescriptor=function(e){i.Descriptor.call(this,6,e)},i.SLConfigDescriptor.prototype=new i.Descriptor,this};t.MPEG4DescriptorParser=c;var h={ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"],["grpl"],["j2kH"],["etyp",["tyco"]]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){h.FullBox.prototype=new h.Box,h.ContainerBox.prototype=new h.Box,h.SampleEntry.prototype=new h.Box,h.TrackGroupTypeBox.prototype=new h.FullBox,h.BASIC_BOXES.forEach((function(e){h.createBoxCtor(e)})),h.FULL_BOXES.forEach((function(e){h.createFullBoxCtor(e)})),h.CONTAINER_BOXES.forEach((function(e){h.createContainerBoxCtor(e[0],null,e[1])}))},Box:function(e,t,i){this.type=e,this.size=t,this.uuid=i},FullBox:function(e,t,i){h.Box.call(this,e,t,i),this.flags=0,this.version=0},ContainerBox:function(e,t,i){h.Box.call(this,e,t,i),this.boxes=[]},SampleEntry:function(e,t,i,r){h.ContainerBox.call(this,e,t),this.hdr_size=i,this.start=r},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){h.FullBox.call(this,e,t)},createBoxCtor:function(e,t){h.boxCodes.push(e),h[e+"Box"]=function(t){h.Box.call(this,e,t)},h[e+"Box"].prototype=new h.Box,t&&(h[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,i=0;i<t;i++)this[e[i]+"s"]=[]}},createContainerBoxCtor:function(e,t,i){h[e+"Box"]=function(t){h.ContainerBox.call(this,e,t),h.addSubBoxArrays.call(this,i)},h[e+"Box"].prototype=new h.ContainerBox,t&&(h[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,i){h.sampleEntryCodes[e]=[],h[e+"SampleEntry"]=function(e,t){h.SampleEntry.call(this,e,t),h.addSubBoxArrays.call(this,i)},h[e+"SampleEntry"].prototype=new h.SampleEntry,t&&(h[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,i,r){h.sampleEntryCodes[e].push(t),h[t+"SampleEntry"]=function(i){h[e+"SampleEntry"].call(this,t,i),h.addSubBoxArrays.call(this,r)},h[t+"SampleEntry"].prototype=new h[e+"SampleEntry"],i&&(h[t+"SampleEntry"].prototype.parse=i)},createEncryptedSampleEntryCtor:function(e,t,i){h.createSampleEntryCtor.call(this,e,t,i,["sinf"])},createSampleGroupCtor:function(e,t){h[e+"SampleGroupEntry"]=function(t){h.SampleGroupEntry.call(this,e,t)},h[e+"SampleGroupEntry"].prototype=new h.SampleGroupEntry,t&&(h[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){h[e+"TrackGroupTypeBox"]=function(t){h.TrackGroupTypeBox.call(this,e,t)},h[e+"TrackGroupTypeBox"].prototype=new h.TrackGroupTypeBox,t&&(h[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,i,r){h.UUIDs.push(e),h.UUIDBoxes[e]=function(r){t?h.FullBox.call(this,"uuid",r,e):i?h.ContainerBox.call(this,"uuid",r,e):h.Box.call(this,"uuid",r,e)},h.UUIDBoxes[e].prototype=t?new h.FullBox:i?new h.ContainerBox:new h.Box,r&&(h.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),r&&r.call(this,e)}:r)}};function f(e,t){this.x=e,this.y=t}function p(e,t){this.bad_pixel_row=e,this.bad_pixel_column=t}h.initialize(),h.TKHD_FLAG_ENABLED=1,h.TKHD_FLAG_IN_MOVIE=2,h.TKHD_FLAG_IN_PREVIEW=4,h.TFHD_FLAG_BASE_DATA_OFFSET=1,h.TFHD_FLAG_SAMPLE_DESC=2,h.TFHD_FLAG_SAMPLE_DUR=8,h.TFHD_FLAG_SAMPLE_SIZE=16,h.TFHD_FLAG_SAMPLE_FLAGS=32,h.TFHD_FLAG_DUR_EMPTY=65536,h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,h.TRUN_FLAGS_DATA_OFFSET=1,h.TRUN_FLAGS_FIRST_FLAG=4,h.TRUN_FLAGS_DURATION=256,h.TRUN_FLAGS_SIZE=512,h.TRUN_FLAGS_FLAGS=1024,h.TRUN_FLAGS_CTS_OFFSET=2048,h.Box.prototype.add=function(e){return this.addBox(new h[e+"Box"])},h.Box.prototype.addBox=function(e){return this.boxes.push(e),this[e.type+"s"]?this[e.type+"s"].push(e):this[e.type]=e,e},h.Box.prototype.set=function(e,t){return this[e]=t,this},h.Box.prototype.addEntry=function(e,t){var i=t||"entries";return this[i]||(this[i]=[]),this[i].push(e),this},t.BoxParser=h,h.parseUUID=function(e){return h.parseHex16(e)},h.parseHex16=function(e){for(var t="",i=0;i<16;i++){var r=e.readUint8().toString(16);t+=1===r.length?"0"+r:r}return t},h.parseOneBox=function(e,t,i){var r,s,n,o=e.getPosition(),d=0;if(e.getEndPosition()-o<8)return a.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:h.ERR_NOT_ENOUGH_DATA};if(i&&i<8)return a.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:h.ERR_NOT_ENOUGH_DATA};var l=e.readUint32(),u=e.readString(4),c=u;if(a.debug("BoxParser","Found box of type '"+u+"' and size "+l+" at position "+o),d=8,"uuid"==u){if(e.getEndPosition()-e.getPosition()<16||i-d<16)return e.seek(o),a.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:h.ERR_NOT_ENOUGH_DATA};d+=16,c=n=h.parseUUID(e)}if(1==l){if(e.getEndPosition()-e.getPosition()<8||i&&i-d<8)return e.seek(o),a.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:h.ERR_NOT_ENOUGH_DATA};l=e.readUint64(),d+=8}else if(0===l)if(i)l=i;else if("mdat"!==u)return a.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),r=new h.Box(u,l),{code:h.OK,box:r,size:r.size};return 0!==l&&l<d?(a.error("BoxParser","Box of type "+u+" has an invalid size "+l+" (too small to be a box)"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&i&&l>i?(a.error("BoxParser","Box of type '"+u+"' has a size "+l+" greater than its container size "+i),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):0!==l&&o+l>e.getEndPosition()?(e.seek(o),a.info("BoxParser","Not enough data in stream to parse the entire '"+u+"' box"),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:o}):t?{code:h.OK,type:u,size:l,hdr_size:d,start:o}:(h[u+"Box"]?r=new h[u+"Box"](l):"uuid"!==u?(a.warn("BoxParser","Unknown box type: '"+u+"'"),(r=new h.Box(u,l)).has_unparsed_data=!0):h.UUIDBoxes[n]?r=new h.UUIDBoxes[n](l):(a.warn("BoxParser","Unknown uuid type: '"+n+"'"),(r=new h.Box(u,l)).uuid=n,r.has_unparsed_data=!0),r.hdr_size=d,r.start=o,r.write===h.Box.prototype.write&&"mdat"!==r.type&&(a.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),(s=e.getPosition()-(r.start+r.size))<0?(a.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-s+" bytes), seeking forward"),e.seek(r.start+r.size)):s>0&&(a.error("BoxParser","Parsing of box '"+c+"' read "+s+" more bytes than the indicated box data size, seeking backwards"),0!==r.size&&e.seek(r.start+r.size)),{code:h.OK,box:r,size:r.size})},h.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},h.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},h.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.ContainerBox.prototype.parse=function(e){for(var t,i;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;if(i=t.box,this.boxes.push(i),this.subBoxNames&&-1!=this.subBoxNames.indexOf(i.type))this[this.subBoxNames[this.subBoxNames.indexOf(i.type)]+"s"].push(i);else{var r="uuid"!==i.type?i.type:i.uuid;this[r]?a.warn("Box of type "+r+" already stored in field of this type"):this[r]=i}}},h.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},h.SAMPLE_ENTRY_TYPE_VISUAL="Visual",h.SAMPLE_ENTRY_TYPE_AUDIO="Audio",h.SAMPLE_ENTRY_TYPE_HINT="Hint",h.SAMPLE_ENTRY_TYPE_METADATA="Metadata",h.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",h.SAMPLE_ENTRY_TYPE_SYSTEM="System",h.SAMPLE_ENTRY_TYPE_TEXT="Text",h.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},h.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.SampleEntry.prototype.parseDataAndRewind=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,e.position-=this.size-this.hdr_size},h.SampleEntry.prototype.parseFooter=function(e){h.ContainerBox.prototype.parse.call(this,e)},h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_HINT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,(function(e){var t;this.parseHeader(e),e.readUint16(),e.readUint16(),e.readUint32Array(3),this.width=e.readUint16(),this.height=e.readUint16(),this.horizresolution=e.readUint32(),this.vertresolution=e.readUint32(),e.readUint32(),this.frame_count=e.readUint16(),t=Math.min(31,e.readUint8()),this.compressorname=e.readString(t),t<31&&e.readString(31-t),this.depth=e.readUint16(),e.readUint16(),this.parseFooter(e)})),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,(function(e){this.parseHeader(e),e.readUint32Array(2),this.channel_count=e.readUint16(),this.samplesize=e.readUint16(),e.readUint16(),e.readUint16(),this.samplerate=e.readUint32()/65536,this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dav1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"hvt1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"lhe1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dvh1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"dvhe"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avs3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"j2ki"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"mjp2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"mjpg"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"uncv"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ac-4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mha1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mha2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mhm1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"mhm2"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT,"enct"),h.createEncryptedSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"encm"),h.createBoxCtor("a1lx",(function(e){var t=16*(1+(1&(1&e.readUint8())));this.layer_size=[];for(var i=0;i<3;i++)this.layer_size[i]=16==t?e.readUint16():e.readUint32()})),h.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),h.createFullBoxCtor("auxC",(function(e){this.aux_type=e.readCString();var t=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=e.readUint8Array(t)})),h.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)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 i=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(i)}else a.error("av1C reserved_1 parsing problem");else a.error("av1C version "+this.version+" not supported")})),h.createBoxCtor("avcC",(function(e){var t,i;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(),i=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),i-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),i--,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),i-=2+this.PPS[t].length;i>0&&(this.ext=e.readUint8Array(i))})),h.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),h.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()})),h.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())})),h.createBoxCtor("clap",(function(e){this.cleanApertureWidthN=e.readUint32(),this.cleanApertureWidthD=e.readUint32(),this.cleanApertureHeightN=e.readUint32(),this.cleanApertureHeightD=e.readUint32(),this.horizOffN=e.readUint32(),this.horizOffD=e.readUint32(),this.vertOffN=e.readUint32(),this.vertOffD=e.readUint32()})),h.createBoxCtor("clli",(function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()})),h.createFullBoxCtor("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())})),h.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())})),h.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())}})),h.createFullBoxCtor("co64",(function(e){var t,i;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(i=0;i<t;i++)this.chunk_offsets.push(e.readUint64())})),h.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),h.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),h.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),h.createFullBoxCtor("cslg",(function(e){0===this.version&&(this.compositionToDTSShift=e.readInt32(),this.leastDecodeToDisplayDelta=e.readInt32(),this.greatestDecodeToDisplayDelta=e.readInt32(),this.compositionStartTime=e.readInt32(),this.compositionEndTime=e.readInt32())})),h.createFullBoxCtor("ctts",(function(e){var t,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(i=0;i<t;i++){this.sample_counts.push(e.readUint32());var r=e.readInt32();r<0&&a.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(r)}else if(1==this.version)for(i=0;i<t;i++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),h.createBoxCtor("dac3",(function(e){var t=e.readUint8(),i=e.readUint8(),r=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|i>>6&3,this.acmod=i>>3&7,this.lfeon=i>>2&1,this.bit_rate_code=3&i|r>>5&7})),h.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var i=0;i<this.num_ind_sub+1;i++){var r={};this.ind_subs.push(r);var s=e.readUint8(),n=e.readUint8(),a=e.readUint8();r.fscod=s>>6,r.bsid=s>>1&31,r.bsmod=(1&s)<<4|n>>4&15,r.acmod=n>>1&7,r.lfeon=1&n,r.num_dep_sub=a>>1&15,r.num_dep_sub>0&&(r.chan_loc=(1&a)<<8|e.readUint8())}})),h.createFullBoxCtor("dfLa",(function(e){var t=[],i=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var r=e.readUint8(),s=Math.min(127&r,i.length-1);if(s?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(i[s]),128&r)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"})),h.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),h.createFullBoxCtor("dref",(function(e){var t,i;this.entries=[];for(var r=e.readUint32(),s=0;s<r;s++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;i=t.box,this.entries.push(i)}})),h.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),i=0;i<t;i++){var r={};this.entries.push(r),1===this.version?(r.segment_duration=e.readUint64(),r.media_time=e.readInt64()):(r.segment_duration=e.readUint32(),r.media_time=e.readInt32()),r.media_rate_integer=e.readInt16(),r.media_rate_fraction=e.readInt16()}})),h.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),h.createEntityToGroupCtor=function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){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)}}},h.createEntityToGroupCtor("aebr"),h.createEntityToGroupCtor("afbr"),h.createEntityToGroupCtor("albc"),h.createEntityToGroupCtor("altr"),h.createEntityToGroupCtor("brst"),h.createEntityToGroupCtor("dobr"),h.createEntityToGroupCtor("eqiv"),h.createEntityToGroupCtor("favc"),h.createEntityToGroupCtor("fobr"),h.createEntityToGroupCtor("iaug"),h.createEntityToGroupCtor("pano"),h.createEntityToGroupCtor("slid"),h.createEntityToGroupCtor("ster"),h.createEntityToGroupCtor("tsyn"),h.createEntityToGroupCtor("wbbr"),h.createEntityToGroupCtor("prgr"),h.createFullBoxCtor("esds",(function(e){var t=e.readUint8Array(this.size-this.hdr_size),i=new c;this.esd=i.parseOneDescriptor(new d(t.buffer,0,d.BIG_ENDIAN))})),h.createBoxCtor("fiel",(function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()})),h.createBoxCtor("frma",(function(e){this.data_format=e.readString(4)})),h.createBoxCtor("ftyp",(function(e){var t=this.size-this.hdr_size;this.major_brand=e.readString(4),this.minor_version=e.readUint32(),t-=8,this.compatible_brands=[];for(var i=0;t>=4;)this.compatible_brands[i]=e.readString(4),t-=4,i++})),h.createFullBoxCtor("hdlr",(function(e){0===this.version&&(e.readUint32(),this.handler=e.readString(4),e.readUint32Array(3),this.name=e.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),h.createBoxCtor("hvcC",(function(e){var t,i,r,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(i=0;i<o;i++){var d={};a.push(d),r=e.readUint16(),d.data=e.readUint8Array(r)}}})),h.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var i=0;i<this.entry_count;i++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;"infe"!==t.box.type&&a.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[i]=t.box}})),h.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var i=0;if(this.version<2)i=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";i=e.readUint32()}for(var r=0;r<i;r++){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"}}}})),h.createBoxCtor("imir",(function(e){var t=e.readUint8();this.reserved=t>>7,this.axis=1&t})),h.createFullBoxCtor("infe",(function(e){if(0!==this.version&&1!==this.version||(this.item_ID=e.readUint16(),this.item_protection_index=e.readUint16(),this.item_name=e.readCString(),this.content_type=e.readCString(),this.content_encoding=e.readCString()),1===this.version)return this.extension_type=e.readString(4),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()))})),h.createFullBoxCtor("ipma",(function(e){var t,i;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var r={};this.associations.push(r),this.version<1?r.id=e.readUint16():r.id=e.readUint32();var s=e.readUint8();for(r.props=[],i=0;i<s;i++){var n=e.readUint8(),a={};r.props.push(a),a.essential=(128&n)>>7==1,1&this.flags?a.property_index=(127&n)<<8|e.readUint8():a.property_index=127&n}}})),h.createFullBoxCtor("iref",(function(e){var t,i;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(i=0===this.version?new h.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new h.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==i.type&&(a.warn("BoxParser",i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),this.references.push(i)}})),h.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),h.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),h.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),h.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var i=0;i<t;i++){var r={};this.levels[i]=r,r.track_ID=e.readUint32();var s=e.readUint8();switch(r.padding_flag=s>>7,r.assignment_type=127&s,r.assignment_type){case 0:r.grouping_type=e.readString(4);break;case 1:r.grouping_type=e.readString(4),r.grouping_type_parameter=e.readUint32();break;case 2:case 3:break;case 4:r.sub_track_id=e.readUint32();break;default:a.warn("BoxParser","Unknown leva assignement type")}}})),h.createBoxCtor("lsel",(function(e){this.layer_id=e.readUint16()})),h.createBoxCtor("maxr",(function(e){this.period=e.readUint32(),this.bytes=e.readUint32()})),f.prototype.toString=function(){return"("+this.x+","+this.y+")"},h.createBoxCtor("mdcv",(function(e){this.display_primaries=[],this.display_primaries[0]=new f(e.readUint16(),e.readUint16()),this.display_primaries[1]=new f(e.readUint16(),e.readUint16()),this.display_primaries[2]=new f(e.readUint16(),e.readUint16()),this.white_point=new f(e.readUint16(),e.readUint16()),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()})),h.createFullBoxCtor("mdhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.parseLanguage(e),e.readUint16()})),h.createFullBoxCtor("mehd",(function(e){1&this.flags&&(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()})),h.createFullBoxCtor("meta",(function(e){this.boxes=[],h.ContainerBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("mfhd",(function(e){this.sequence_number=e.readUint32()})),h.createFullBoxCtor("mfro",(function(e){this._size=e.readUint32()})),h.createFullBoxCtor("mskC",(function(e){this.bits_per_pixel=e.readUint8()})),h.createFullBoxCtor("mvhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.timescale=e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.timescale=e.readUint32(),this.duration=e.readUint32()),this.rate=e.readUint32(),this.volume=e.readUint16()>>8,e.readUint16(),e.readUint32Array(2),this.matrix=e.readUint32Array(9),e.readUint32Array(6),this.next_track_id=e.readUint32()})),h.createBoxCtor("npck",(function(e){this.packetssent=e.readUint32()})),h.createBoxCtor("nump",(function(e){this.packetssent=e.readUint64()})),h.createFullBoxCtor("padb",(function(e){var t=e.readUint32();this.padbits=[];for(var i=0;i<Math.floor((t+1)/2);i++)this.padbits=e.readUint8()})),h.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),h.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),h.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var i=0;i<t;i++)this.rate[i]=e.readUint32(),this.initial_delay[i]=e.readUint32()})),h.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),h.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),h.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),h.createFullBoxCtor("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()})),h.createFullBoxCtor("prft",(function(e){this.ref_track_id=e.readUint32(),this.ntp_timestamp=e.readUint64(),0===this.version?this.media_time=e.readUint32():this.media_time=e.readUint64()})),h.createFullBoxCtor("pssh",(function(e){if(this.system_id=h.parseHex16(e),this.version>0){var t=e.readUint32();this.kid=[];for(var i=0;i<t;i++)this.kid[i]=h.parseHex16(e)}var r=e.readUint32();r>0&&(this.data=e.readUint8Array(r))})),h.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),h.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),h.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var i=0;i<t;i++)0===this.version?this.offset[i]=e.readUint32():this.offset[i]=e.readUint64()})),h.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var i=0;i<t;i++)this.sample_info_size[i]=e.readUint8()})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),h.createSampleGroupCtor("alst",(function(e){var t,i=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<i;t++)this.sample_offset[t]=e.readUint32();var r=this.description_length-4-4*i;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<r/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),h.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),h.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var i=e.readUint8(),r=0;r<i;r++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=e.readUint8(),s.layerNumber=e.readUint8(),s.subSequenceIdentifier=e.readUint16()}})),h.createSampleGroupCtor("dtrt",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("mvif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("prol",(function(e){this.roll_distance=e.readInt16()})),h.createSampleGroupCtor("rap ",(function(e){var t=e.readUint8();this.num_leading_samples_known=t>>7,this.num_leading_samples=127&t})),h.createSampleGroupCtor("rash",(function(e){if(this.operation_point_count=e.readUint16(),this.description_length!==2+(1===this.operation_point_count?2:6*this.operation_point_count)+9)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()}})),h.createSampleGroupCtor("roll",(function(e){this.roll_distance=e.readInt16()})),h.SampleGroupEntry.prototype.parse=function(e){a.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},h.createSampleGroupCtor("scif",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("scnm",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("seig",(function(e){this.reserved=e.readUint8();var t=e.readUint8();this.crypt_byte_block=t>>4,this.skip_byte_block=15&t,this.isProtected=e.readUint8(),this.Per_Sample_IV_Size=e.readUint8(),this.KID=h.parseHex16(e),this.constant_IV_size=0,this.constant_IV=0,1===this.isProtected&&0===this.Per_Sample_IV_Size&&(this.constant_IV_size=e.readUint8(),this.constant_IV=e.readUint8Array(this.constant_IV_size))})),h.createSampleGroupCtor("stsa",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("sync",(function(e){var t=e.readUint8();this.NAL_unit_type=63&t})),h.createSampleGroupCtor("tele",(function(e){var t=e.readUint8();this.level_independently_decodable=t>>7})),h.createSampleGroupCtor("tsas",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("tscl",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("vipr",(function(e){a.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),i=0;i<t;i++){var r={};this.entries.push(r),r.sample_count=e.readInt32(),r.group_description_index=e.readInt32()}})),p.prototype.toString=function(){return"[row: "+this.bad_pixel_row+", column: "+this.bad_pixel_column+"]"},h.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 i=e.readUint8();for(this.correction_applied=128==(128&i),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 r=e.readUint32(),s=e.readUint32();this.bad_pixels.push(new p(r,s))}})),h.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),h.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("sdtp",(function(e){var t,i=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var r=0;r<i;r++)t=e.readUint8(),this.is_leading[r]=t>>6,this.sample_depends_on[r]=t>>4&3,this.sample_is_depended_on[r]=t>>2&3,this.sample_has_redundancy[r]=3&t})),h.createFullBoxCtor("senc"),h.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(),i=0;i<t;i++){var r;r=h[this.grouping_type+"SampleGroupEntry"]?new h[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new h.SampleGroupEntry(this.grouping_type),this.entries.push(r),1===this.version&&0===this.default_length?r.description_length=e.readUint32():r.description_length=this.default_length,r.write===h.SampleGroupEntry.prototype.write&&(a.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),r.data=e.readUint8Array(r.description_length),e.position-=r.description_length),r.parse(e)}})),h.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),i=0;i<t;i++){var r={};this.references.push(r);var s=e.readUint32();r.reference_type=s>>31&1,r.referenced_size=2147483647&s,r.subsegment_duration=e.readUint32(),s=e.readUint32(),r.starts_with_SAP=s>>31&1,r.SAP_type=s>>28&7,r.SAP_delta_time=268435455&s}})),h.SingleItemTypeReferenceBox=function(e,t,i,r){h.Box.call(this,e,t),this.hdr_size=i,this.start=r},h.SingleItemTypeReferenceBox.prototype=new h.Box,h.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var i=0;i<t;i++)this.references[i]={},this.references[i].to_item_ID=e.readUint16()},h.SingleItemTypeReferenceBoxLarge=function(e,t,i,r){h.Box.call(this,e,t),this.hdr_size=i,this.start=r},h.SingleItemTypeReferenceBoxLarge.prototype=new h.Box,h.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var i=0;i<t;i++)this.references[i]={},this.references[i].to_item_ID=e.readUint32()},h.createFullBoxCtor("SmDm",(function(e){this.primaryRChromaticity_x=e.readUint16(),this.primaryRChromaticity_y=e.readUint16(),this.primaryGChromaticity_x=e.readUint16(),this.primaryGChromaticity_y=e.readUint16(),this.primaryBChromaticity_x=e.readUint16(),this.primaryBChromaticity_y=e.readUint16(),this.whitePointChromaticity_x=e.readUint16(),this.whitePointChromaticity_y=e.readUint16(),this.luminanceMax=e.readUint32(),this.luminanceMin=e.readUint32()})),h.createFullBoxCtor("smhd",(function(e){this.balance=e.readUint16(),e.readUint16()})),h.createFullBoxCtor("ssix",(function(e){this.subsegments=[];for(var t=e.readUint32(),i=0;i<t;i++){var r={};this.subsegments.push(r),r.ranges=[];for(var s=e.readUint32(),n=0;n<s;n++){var a={};r.ranges.push(a),a.level=e.readUint8(),a.range_size=e.readUint24()}}})),h.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var i=0;i<t;i++)this.chunk_offsets.push(e.readUint32())})),h.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var i=0;i<t;i++)this.priority[i]=e.readUint16()})),h.createFullBoxCtor("sthd"),h.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var i=0;i<t;i++)this.attribute_list[i]=e.readUint32()})),h.createFullBoxCtor("stsc",(function(e){var t,i;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(i=0;i<t;i++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),h.createFullBoxCtor("stsd",(function(e){var t,i,r,s;for(this.entries=[],r=e.readUint32(),t=1;t<=r;t++){if((i=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;h[i.type+"SampleEntry"]?((s=new h[i.type+"SampleEntry"](i.size)).hdr_size=i.hdr_size,s.start=i.start):(a.warn("BoxParser","Unknown sample entry type: "+i.type),s=new h.SampleEntry(i.type,i.size,i.hdr_size,i.start)),s.write===h.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)}})),h.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var i=0;i<t;i++)this.group_description_index[i]=e.readUint32()})),h.createFullBoxCtor("stsh",(function(e){var t,i;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(i=0;i<t;i++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stss",(function(e){var t,i;if(i=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<i;t++)this.sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),h.createFullBoxCtor("stts",(function(e){var t,i,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(i=0;i<t;i++)this.sample_counts.push(e.readUint32()),(r=e.readInt32())<0&&(a.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),r=1),this.sample_deltas.push(r)})),h.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var i,r,s=e.readUint32();for(this.stereo_indication_type=e.readString(s),this.boxes=[];e.getPosition()<this.start+this.size;){if((i=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;r=i.box,this.boxes.push(r),this[r.type]=r}})),h.createBoxCtor("styp",(function(e){h.ftypBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("stz2",(function(e){var t,i;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),i=e.readUint32(),4===this.field_size)for(t=0;t<i;t+=2){var r=e.readUint8();this.sample_sizes[t]=r>>4&15,this.sample_sizes[t+1]=15&r}else if(8===this.field_size)for(t=0;t<i;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<i;t++)this.sample_sizes[t]=e.readUint16();else a.error("BoxParser","Error in length field in stz2 box")})),h.createFullBoxCtor("subs",(function(e){var t,i,r,s;for(r=e.readUint32(),this.entries=[],t=0;t<r;t++){var n={};if(this.entries[t]=n,n.sample_delta=e.readUint32(),n.subsamples=[],(s=e.readUint16())>0)for(i=0;i<s;i++){var a={};n.subsamples.push(a),1==this.version?a.size=e.readUint32():a.size=e.readUint16(),a.priority=e.readUint8(),a.discardable=e.readUint8(),a.codec_specific_parameters=e.readUint32()}}})),h.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=h.parseHex16(e),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=e.readUint8(),this.default_constant_IV=e.readUint8Array(this.default_constant_IV_size))})),h.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),h.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),h.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var i=e.readUint32(),r=0;r<i;r++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),h.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),h.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),h.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),h.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},h.createTrackGroupCtor("msrc"),h.TrackReferenceTypeBox=function(e,t,i,r){h.Box.call(this,e,t),this.hdr_size=i,this.start=r},h.TrackReferenceTypeBox.prototype=new h.Box,h.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},h.trefBox.prototype.parse=function(e){for(var t,i;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(i=new h.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==i.type&&(a.info("BoxParser","TrackReference "+i.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),this.boxes.push(i)}},h.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==h.OK)return;box=ret.box,this.boxes.push(box)}})),h.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),h.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>t)for(var i=0;i<this.sample_count;i++)this.flags&h.TRUN_FLAGS_DURATION&&(this.sample_duration[i]=e.readUint32()),this.flags&h.TRUN_FLAGS_SIZE&&(this.sample_size[i]=e.readUint32()),this.flags&h.TRUN_FLAGS_FLAGS&&(this.sample_flags[i]=e.readUint32()),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[i]=e.readUint32():this.sample_composition_time_offset[i]=e.readInt32())})),h.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var i=0;i<t;i++)this.attribute_list[i]=e.readUint32()})),h.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),h.createBoxCtor("tyco",(function(e){var t=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var i=0;i<t;i++)this.compatible_brands[i]=e.readString(4)})),h.createFullBoxCtor("udes",(function(e){this.lang=e.readCString(),this.name=e.readCString(),this.description=e.readCString(),this.tags=e.readCString()})),h.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 i=e.readUint8();this.component_little_endian=i>>7&1,this.block_pad_lsb=i>>6&1,this.block_little_endian=i>>5&1,this.block_reversed=i>>4&1,this.pad_unknown=i>>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()}})),h.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),h.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),h.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")})),h.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=h.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),h.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),h.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=h.parseHex16(e)})),h.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var i={},r=0,s=0;1===this.version?(r=e.readUint64(),s=e.readUint64()):(r=e.readUint32(),s=e.readUint32()),i.absolute_time=r,i.absolute_duration=s,this.entries.push(i)}})),h.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),h.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),h.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),h.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("vvcC",(function(e){var t,i,r={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(r.stream_read_1_bytes(e),r.extract_bits(5),this.lengthSizeMinusOne=r.extract_bits(2),this.ptl_present_flag=r.extract_bits(1),this.ptl_present_flag){if(r.stream_read_2_bytes(e),this.ols_idx=r.extract_bits(9),this.num_sublayers=r.extract_bits(3),this.constant_frame_rate=r.extract_bits(2),this.chroma_format_idc=r.extract_bits(2),r.stream_read_1_bytes(e),this.bit_depth_minus8=r.extract_bits(3),r.extract_bits(5),r.stream_read_2_bytes(e),r.extract_bits(2),this.num_bytes_constraint_info=r.extract_bits(6),this.general_profile_idc=r.extract_bits(7),this.general_tier_flag=r.extract_bits(1),this.general_level_idc=e.readUint8(),r.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=r.extract_bits(1),this.ptl_multilayer_enabled_flag=r.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=r.extract_bits(6);r.stream_read_1_bytes(e);var n=r.extract_bits(2);this.general_constraint_info[t]=s<<2|n}this.general_constraint_info[this.num_bytes_constraint_info-1]=r.extract_bits(6)}else r.extract_bits(6);if(this.num_sublayers>1){for(r.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,i=this.num_sublayers-2;i>=0;--i){var a=r.extract_bits(1);this.ptl_sublayer_present_mask|=a<<i}for(i=this.num_sublayers;i<=8&&this.num_sublayers>1;++i)r.extract_bits(1);for(this.sublayer_level_idc=[],i=this.num_sublayers-2;i>=0;--i)this.ptl_sublayer_present_mask&1<<i&&(this.sublayer_level_idc[i]=e.readUint8())}if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var o=e.readUint8();for(t=0;t<o;t++){var d=[];this.nalu_arrays.push(d),r.stream_read_1_bytes(e),d.completeness=r.extract_bits(1),r.extract_bits(2),d.nalu_type=r.extract_bits(5);var l=1;for(13!=d.nalu_type&&12!=d.nalu_type&&(l=e.readUint16()),i=0;i<l;i++){var u=e.readUint16();d.push({data:e.readUint8Array(u),length:u})}}})),h.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),h.SampleEntry.prototype.isVideo=function(){return!1},h.SampleEntry.prototype.isAudio=function(){return!1},h.SampleEntry.prototype.isSubtitle=function(){return!1},h.SampleEntry.prototype.isMetadata=function(){return!1},h.SampleEntry.prototype.isHint=function(){return!1},h.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},h.SampleEntry.prototype.getWidth=function(){return""},h.SampleEntry.prototype.getHeight=function(){return""},h.SampleEntry.prototype.getChannelCount=function(){return""},h.SampleEntry.prototype.getSampleRate=function(){return""},h.SampleEntry.prototype.getSampleSize=function(){return""},h.VisualSampleEntry.prototype.isVideo=function(){return!0},h.VisualSampleEntry.prototype.getWidth=function(){return this.width},h.VisualSampleEntry.prototype.getHeight=function(){return this.height},h.AudioSampleEntry.prototype.isAudio=function(){return!0},h.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},h.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},h.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},h.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},h.MetadataSampleEntry.prototype.isMetadata=function(){return!0},h.decimalToHex=function(e,t){var i=Number(e).toString(16);for(t=null==t?t=2:t;i.length<t;)i="0"+i;return i},h.avc1SampleEntry.prototype.getCodec=h.avc2SampleEntry.prototype.getCodec=h.avc3SampleEntry.prototype.getCodec=h.avc4SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+h.decimalToHex(this.avcC.AVCProfileIndication)+h.decimalToHex(this.avcC.profile_compatibility)+h.decimalToHex(this.avcC.AVCLevelIndication):e},h.hev1SampleEntry.prototype.getCodec=h.hvc1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var i=this.hvcC.general_profile_compatibility,r=0;for(e=0;e<32&&(r|=1&i,31!=e);e++)r<<=1,i>>=1;t+=h.decimalToHex(r,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var s=!1,n="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||s)&&(n="."+h.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+n,s=!0);t+=n}return t},h.vvc1SampleEntry.prototype.getCodec=h.vvi1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){t+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?t+=".H":t+=".L",t+=this.vvcC.general_level_idc;var i="";if(this.vvcC.general_constraint_info){var r,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&&(r=e),n=this.vvcC.general_constraint_info[e]>>2&3;if(void 0===r)i=".CA";else{i=".C";var a="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",o=0,d=0;for(e=0;e<=r;++e)for(o=o<<8|s[e],d+=8;d>=5;){i+=a[o>>d-5&31],o&=(1<<(d-=5))-1}d&&(i+=a[31&(o<<=5-d)])}}t+=i}return t},h.mp4aSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),i=this.esds.esd.getAudioConfig();return e+"."+h.decimalToHex(t)+(i?"."+i:"")}return e},h.stxtSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},h.vp08SampleEntry.prototype.getCodec=h.vp09SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level;0==t&&(t="00");var i=this.vpcC.bitDepth;return 8==i&&(i="08"),e+".0"+this.vpcC.profile+"."+t+"."+i},h.av01SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this),i=this.av1C.seq_level_idx_0;return i<10&&(i="0"+i),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+"."+i+(this.av1C.seq_tier_0?"H":"M")+"."+e},h.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),a.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>l?e.writeUint32(1):(this.sizePosition=e.getPosition(),e.writeUint32(this.size)),e.writeString(this.type,null,4),"uuid"===this.type&&e.writeUint8Array(this.uuid),this.size>l&&e.writeUint64(this.size)},h.FullBox.prototype.writeHeader=function(e){this.size+=4,h.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},h.Box.prototype.write=function(e){"mdat"===this.type?this.data&&(this.size=this.data.length,this.writeHeader(e),e.writeUint8Array(this.data)):(this.size=this.data?this.data.length:0,this.writeHeader(e),this.data&&e.writeUint8Array(this.data))},h.ContainerBox.prototype.write=function(e){this.size=0,this.writeHeader(e);for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&(this.boxes[t].write(e),this.size+=this.boxes[t].size);a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},h.avcCBox.prototype.write=function(e){var t;for(this.size=7,t=0;t<this.SPS.length;t++)this.size+=2+this.SPS[t].length;for(t=0;t<this.PPS.length;t++)this.size+=2+this.PPS[t].length;for(this.ext&&(this.size+=this.ext.length),this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.AVCProfileIndication),e.writeUint8(this.profile_compatibility),e.writeUint8(this.AVCLevelIndication),e.writeUint8(this.lengthSizeMinusOne+252),e.writeUint8(this.SPS.length+224),t=0;t<this.SPS.length;t++)e.writeUint16(this.SPS[t].length),e.writeUint8Array(this.SPS[t].nalu);for(e.writeUint8(this.PPS.length),t=0;t<this.PPS.length;t++)e.writeUint16(this.PPS[t].length),e.writeUint8Array(this.PPS[t].nalu);this.ext&&e.writeUint8Array(this.ext)},h.co64Box.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),t=0;t<this.chunk_offsets.length;t++)e.writeUint64(this.chunk_offsets[t])},h.cslgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeInt32(this.compositionToDTSShift),e.writeInt32(this.leastDecodeToDisplayDelta),e.writeInt32(this.greatestDecodeToDisplayDelta),e.writeInt32(this.compositionStartTime),e.writeInt32(this.compositionEndTime)},h.cttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),1===this.version?e.writeInt32(this.sample_offsets[t]):e.writeUint32(this.sample_offsets[t])},h.drefBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},h.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var i=this.entries[t];e.writeUint32(i.segment_duration),e.writeInt32(i.media_time),e.writeInt16(i.media_rate_integer),e.writeInt16(i.media_rate_fraction)}},h.emsgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},h.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},h.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},h.hvcCBox.prototype.write=function(e){var t,i;for(this.size=23,t=0;t<this.nalu_arrays.length;t++)for(this.size+=3,i=0;i<this.nalu_arrays[t].length;i++)this.size+=2+this.nalu_arrays[t][i].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),i=0;i<this.nalu_arrays[t].length;i++)e.writeUint16(this.nalu_arrays[t][i].data.length),e.writeUint8Array(this.nalu_arrays[t][i].data)},h.kindBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.schemeURI.length+1+(this.value.length+1),this.writeHeader(e),e.writeCString(this.schemeURI),e.writeCString(this.value)},h.mdhdBox.prototype.write=function(e){this.size=20,this.flags=0,this.version=0,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint16(this.language),e.writeUint16(0)},h.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},h.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},h.mvhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=96,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.timescale),e.writeUint32(this.duration),e.writeUint32(this.rate),e.writeUint16(this.volume<<8),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32Array(this.matrix),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(this.next_track_id)},h.SampleEntry.prototype.writeHeader=function(e){this.size=8,h.Box.prototype.writeHeader.call(this,e),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint8(0),e.writeUint16(this.data_reference_index)},h.SampleEntry.prototype.writeFooter=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e),this.size+=this.boxes[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},h.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},h.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},h.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},h.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var i=this.entries[t];e.writeInt32(i.sample_count),e.writeInt32(i.group_description_index)}},h.sgpdBox.prototype.write=function(e){var t,i;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)i=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=i.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++)i=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(i.description_length),i.write(e)},h.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var i=this.references[t];e.writeUint32(i.reference_type<<31|i.referenced_size),e.writeUint32(i.subsegment_duration),e.writeUint32(i.starts_with_SAP<<31|i.SAP_type<<28|i.SAP_delta_time)}},h.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},h.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},h.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},h.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;a.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},h.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},h.stszBox.prototype.write=function(e){var t,i=!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]){i=!1;break}t++}else i=!1;this.size=8,i||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),i?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),i||e.writeUint32Array(this.sample_sizes)},h.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},h.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},h.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},h.tkhdBox.prototype.write=function(e){this.version=0,this.size=80,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.track_id),e.writeUint32(0),e.writeUint32(this.duration),e.writeUint32(0),e.writeUint32(0),e.writeInt16(this.layer),e.writeInt16(this.alternate_group),e.writeInt16(this.volume<<8),e.writeUint16(0),e.writeInt32Array(this.matrix),e.writeUint32(this.width),e.writeUint32(this.height)},h.trexBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeUint32(this.track_id),e.writeUint32(this.default_sample_description_index),e.writeUint32(this.default_sample_duration),e.writeUint32(this.default_sample_size),e.writeUint32(this.default_sample_flags)},h.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&h.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&h.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&h.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&h.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&h.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&h.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},h["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},h["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},h.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},h.cttsBox.prototype.unpack=function(e){var t,i,r;for(r=0,t=0;t<this.sample_counts.length;t++)for(i=0;i<this.sample_counts[t];i++)e[r].pts=e[r].dts+this.sample_offsets[t],r++},h.sttsBox.prototype.unpack=function(e){var t,i,r;for(r=0,t=0;t<this.sample_counts.length;t++)for(i=0;i<this.sample_counts[t];i++)e[r].dts=0===r?0:e[r-1].dts+this.sample_deltas[t],r++},h.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},h.stscBox.prototype.unpack=function(e){var t,i,r,s,n;for(s=0,n=0,t=0;t<this.first_chunk.length;t++)for(i=0;i<(t+1<this.first_chunk.length?this.first_chunk[t+1]:1/0);i++)for(n++,r=0;r<this.samples_per_chunk[t];r++){if(!e[s])return;e[s].description_index=this.sample_description_index[t],e[s].chunk_index=n,s++}},h.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},h.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],h.boxEqualFields=function(e,t){if(e&&!t)return!1;var i;for(i in e)if(!(h.DIFF_BOXES_PROP_NAMES.indexOf(i)>-1||e[i]instanceof h.Box||t[i]instanceof h.Box||void 0===e[i]||void 0===t[i]||"function"==typeof e[i]||"function"==typeof t[i]||e.subBoxNames&&e.subBoxNames.indexOf(i.slice(0,4))>-1||t.subBoxNames&&t.subBoxNames.indexOf(i.slice(0,4))>-1||"data"===i||"start"===i||"size"===i||"creation_time"===i||"modification_time"===i||h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(i)>-1||e[i]===t[i]))return!1;return!0},h.boxEqual=function(e,t){if(!h.boxEqualFields(e,t))return!1;for(var i=0;i<h.DIFF_BOXES_PROP_NAMES.length;i++){var r=h.DIFF_BOXES_PROP_NAMES[i];if(e[r]&&t[r]&&!h.boxEqual(e[r],t[r]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(e){var t,i={};i.resources=[];var r=new o(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(i.documentString=r.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)i.resources[t]=r.readUint8Array(e.subsamples[t].size)}else i.documentString=r.readString(e.data.length);return"undefined"!=typeof DOMParser&&(i.document=(new DOMParser).parseFromString(i.documentString,"application/xml")),i};var _=function(){};_.prototype.parseSample=function(e){return new o(e.data.buffer).readString(e.data.length)},_.prototype.parseConfig=function(e){var t=new o(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=m,t.Textin4Parser=_;var g=function(e){this.stream=e||new u,this.boxes=[],this.mdats=[],this.moofs=[],this.isProgressive=!1,this.moovStartFound=!1,this.onMoovStart=null,this.moovStartSent=!1,this.onReady=null,this.readySent=!1,this.onSegment=null,this.onSamples=null,this.onError=null,this.sampleListBuilt=!1,this.fragmentedTracks=[],this.extractedTracks=[],this.isFragmentationInitialized=!1,this.sampleProcessingStarted=!1,this.nextMoofNumber=0,this.itemListBuilt=!1,this.onSidx=null,this.sidxSent=!1};g.prototype.setSegmentOptions=function(e,t,i){var r=this.getTrackById(e);if(r){var s={};this.fragmentedTracks.push(s),s.id=e,s.user=t,s.trak=r,r.nextSample=0,s.segmentStream=null,s.nb_samples=1e3,s.rapAlignement=!0,i&&(i.nbSamples&&(s.nb_samples=i.nbSamples),i.rapAlignement&&(s.rapAlignement=i.rapAlignement))}},g.prototype.unsetSegmentOptions=function(e){for(var t=-1,i=0;i<this.fragmentedTracks.length;i++){this.fragmentedTracks[i].id==e&&(t=i)}t>-1&&this.fragmentedTracks.splice(t,1)},g.prototype.setExtractionOptions=function(e,t,i){var r=this.getTrackById(e);if(r){var s={};this.extractedTracks.push(s),s.id=e,s.user=t,s.trak=r,r.nextSample=0,s.nb_samples=1e3,s.samples=[],i&&i.nbSamples&&(s.nb_samples=i.nbSamples)}},g.prototype.unsetExtractionOptions=function(e){for(var t=-1,i=0;i<this.extractedTracks.length;i++){this.extractedTracks[i].id==e&&(t=i)}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=h.parseOneBox(this.stream,false)).code===h.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var i;switch(i="uuid"!==(t=e.box).type?t.type:t.uuid,this.boxes.push(t),i){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[i]&&a.warn("ISOFile","Duplicate Box of type: "+i+", overriding previous occurrence"),this[i]=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 i;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?(i=this.nextSeekPosition,this.nextSeekPosition=void 0):i=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(i=this.stream.getEndFilePositionAfter(i))):i=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 "+i),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),i},g.prototype.getInfo=function(){var e,t,i,r,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=(i=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],r={},a.tracks.push(r),r.id=i.tkhd.track_id,r.name=i.mdia.hdlr.name,r.references=[],i.tref)for(t=0;t<i.tref.boxes.length;t++)s={},r.references.push(s),s.type=i.tref.boxes[t].type,s.track_ids=i.tref.boxes[t].track_ids;i.edts&&(r.edits=i.edts.elst.entries),r.created=new Date(o+1e3*i.tkhd.creation_time),r.modified=new Date(o+1e3*i.tkhd.modification_time),r.movie_duration=i.tkhd.duration,r.movie_timescale=a.timescale,r.layer=i.tkhd.layer,r.alternate_group=i.tkhd.alternate_group,r.volume=i.tkhd.volume,r.matrix=i.tkhd.matrix,r.track_width=i.tkhd.width/65536,r.track_height=i.tkhd.height/65536,r.timescale=i.mdia.mdhd.timescale,r.cts_shift=i.mdia.minf.stbl.cslg,r.duration=i.mdia.mdhd.duration,r.samples_duration=i.samples_duration,r.codec=n.getCodec(),r.kind=i.udta&&i.udta.kinds.length?i.udta.kinds[0]:{schemeURI:"",value:""},r.language=i.mdia.elng?i.mdia.elng.extended_language:i.mdia.mdhd.languageString,r.nb_samples=i.samples.length,r.size=i.samples_size,r.bitrate=8*r.size*r.timescale/r.samples_duration,n.isAudio()?(r.type="audio",a.audioTracks.push(r),r.audio={},r.audio.sample_rate=n.getSampleRate(),r.audio.channel_count=n.getChannelCount(),r.audio.sample_size=n.getSampleSize()):n.isVideo()?(r.type="video",a.videoTracks.push(r),r.video={},r.video.width=n.getWidth(),r.video.height=n.getHeight()):n.isSubtitle()?(r.type="subtitles",a.subtitleTracks.push(r)):n.isHint()?(r.type="metadata",a.hintTracks.push(r)):n.isMetadata()?(r.type="metadata",a.metadataTracks.push(r)):(r.type="metadata",a.otherTracks.push(r))}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,i;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var r=this.fragmentedTracks[t];for(i=r.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Creating media fragment on track #"+r.id+" for sample "+i.nextSample);var s=this.createFragment(r.id,i.nextSample,r.segmentStream);if(!s)break;if(r.segmentStream=s,i.nextSample++,(i.nextSample%r.nb_samples==0||e||i.nextSample>=i.samples.length)&&(a.info("ISOFile","Sending fragmented data on track #"+r.id+" for samples ["+Math.max(0,i.nextSample-r.nb_samples)+","+(i.nextSample-1)+"]"),a.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(r.id,r.user,r.segmentStream.buffer,i.nextSample,e||i.nextSample>=i.samples.length),r.segmentStream=null,r!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var n=this.extractedTracks[t];for(i=n.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){a.debug("ISOFile","Exporting on track #"+n.id+" sample #"+i.nextSample);var o=this.getSample(i,i.nextSample);if(!o){this.setNextSeekPositionFromSample(i.samples[i.nextSample]);break}if(i.nextSample++,n.samples.push(o),(i.nextSample%n.nb_samples==0||i.nextSample>=i.samples.length)&&(a.debug("ISOFile","Sending samples on track #"+n.id+" for sample "+i.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 i=[];return g._sweep.call(this,e,i,t),i},g._sweep=function(e,t,i){for(var r in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&i)return;g._sweep.call(this.boxes[r],e,t,i)}},g.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},g.prototype.getTrackSample=function(e,t){var i=this.getTrackById(e);return this.getSample(i,t)},g.prototype.releaseUsedSamples=function(e,t){var i=0,r=this.getTrackById(e);r.lastValidSample||(r.lastValidSample=0);for(var s=r.lastValidSample;s<t;s++)i+=this.releaseSample(r,s);a.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+i+", remaining: "+this.samplesDataSize+")"),r.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,i){var r,s,n,o,d=0,l=0;if(0===i.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(r=0;r<i.samples.length;r++){if(s=i.samples[r],0===r)l=0,o=s.timescale;else if(s.cts>e*s.timescale){l=r-1;break}t&&s.is_sync&&(d=r)}for(t&&(l=d),e=i.samples[l].cts,i.nextSample=l;i.samples[l].alreadyRead===i.samples[l].size&&i.samples[l+1];)l++;return n=i.samples[l].offset+i.samples[l].alreadyRead,a.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+i.nextSample+" on track "+i.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 i,r,s,n=this.moov,o={offset:1/0,time:1/0};if(this.moov){for(s=0;s<n.traks.length;s++)i=n.traks[s],e>this.getTrackDuration(i)||((r=this.seekTrack(e,t,i)).offset<o.offset&&(o.offset=r.offset),r.time<o.time&&(o.time=r.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 i=this.boxes[t],r=e.boxes[t];if(!h.boxEqual(i,r))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 h[e.type+"Box"](e.size),this.parsingMdat=t,this.boxes.push(t),this.mdats.push(t),t.start=e.start,t.hdr_size=e.hdr_size,this.stream.addUsedBytes(t.hdr_size),this.lastBoxStartPosition=t.start+t.size,this.stream.seek(t.start+t.size,!1,this.discardMdatData)?(this.parsingMdat=null,!0):(this.moovStartFound?this.nextParsePosition=this.stream.findEndContiguousBuf():this.nextParsePosition=t.start+t.size,!1)):("moov"===e.type&&(this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0)),!!this.stream.mergeNextBuffer&&this.stream.mergeNextBuffer()?(this.nextParsePosition=this.stream.getEndPosition(),!0):(e.type?this.moovStartFound?this.nextParsePosition=this.stream.getEndPosition():this.nextParsePosition=this.stream.getPosition()+e.size:this.nextParsePosition=this.stream.getEndPosition(),!1))},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=h.Box.prototype.add,g.prototype.addBox=h.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 i=this.add("moov");return i.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),i.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 i=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,i.add("tkhd").set("flags",h.TKHD_FLAG_ENABLED|h.TKHD_FLAG_IN_MOVIE|h.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var r=i.add("mdia");r.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"),r.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),r.add("elng").set("extended_language",t.language||"fr-FR");var s=r.add("minf");if(void 0!==h[t.type+"SampleEntry"]){var n=new h[t.type+"SampleEntry"];n.data_reference_index=1;var a="";for(var d in h.sampleEntryCodes)for(var l=h.sampleEntryCodes[d],u=0;u<l.length;u++)if(l.indexOf(t.type)>-1){a=d;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 c=new h.avcCBox;c.parse(new o(t.avcDecoderConfigRecord)),n.addBox(c)}else if(t.hevcDecoderConfigRecord){var f=new h.hvcCBox;f.parse(new o(t.hevcDecoderConfigRecord)),n.addBox(f)}break;case"Audio":s.add("smhd").set("balance",t.balance||0),n.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":s.add("hmhd");break;case"Subtitle":if(s.add("sthd"),"stpp"===t.type)n.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:s.add("nmhd")}t.description&&n.addBox(t.description),t.description_boxes&&t.description_boxes.forEach((function(e){n.addBox(e)})),s.add("dinf").add("dref").addEntry((new h["url Box"]).set("flags",1));var p=s.add("stbl");return p.add("stsd").addEntry(n),p.add("stts").set("sample_counts",[]).set("sample_deltas",[]),p.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),p.add("stco").set("chunk_offsets",[]),p.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",t.id).set("default_sample_description_index",t.default_sample_description_index||1).set("default_sample_duration",t.default_sample_duration||0).set("default_sample_size",t.default_sample_size||0).set("default_sample_flags",t.default_sample_flags||0),this.buildTrakSampleLists(i),t.id}},h.Box.prototype.computeSize=function(e){var t=e||new d;t.endianness=d.BIG_ENDIAN,this.write(t)},g.prototype.addSample=function(e,t,i){var r=i||{},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=r.sample_description_index?r.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=r.duration||1,s.cts=r.cts||0,s.dts=r.dts||0,s.is_sync=r.is_sync||!1,s.is_leading=r.is_leading||0,s.depends_on=r.depends_on||0,s.is_depended_on=r.is_depended_on||0,s.has_redundancy=r.has_redundancy||0,s.degradation_priority=r.degradation_priority||0,s.offset=0,s.subsamples=r.subsamples,n.samples.push(s),n.samples_size+=s.size,n.samples_duration+=s.duration,void 0===n.first_dts&&(n.first_dts=r.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 i=new h.moofBox;i.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var r=i.add("traf"),s=this.getTrackById(e.track_id);return r.add("tfhd").set("track_id",e.track_id).set("flags",h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),r.add("tfdt").set("baseMediaDecodeTime",e.dts-(s.first_dts||0)),r.add("trun").set("flags",h.TRUN_FLAGS_DATA_OFFSET|h.TRUN_FLAGS_DURATION|h.TRUN_FLAGS_SIZE|h.TRUN_FLAGS_FLAGS|h.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[e.duration]).set("sample_size",[e.size]).set("sample_flags",[t]).set("sample_composition_time_offset",[e.cts-e.dts]),i},g.prototype.lastMoofIndex=0,g.prototype.samplesDataSize=0,g.prototype.resetTables=function(){var e,t,i,r,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=[],(i=t.mdia.minf.stbl.stsc).first_chunk=[],i.samples_per_chunk=[],i.sample_description_index=[],(t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2).sample_sizes=[],(r=t.mdia.minf.stbl.stts).sample_counts=[],r.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,i,r,s){var n,a,o,d;function l(e,t,i){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=i,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<i.length;a++){for(d=i[a].grouping_type+"/"+i[a].grouping_type_parameter,o=new l(i[a].grouping_type,i[a].grouping_type_parameter,i[a]),t&&(t.sample_groups_info[d]=o),e.sample_groups_info[d]||(e.sample_groups_info[d]=o),n=0;n<r.length;n++)r[n].grouping_type===i[a].grouping_type&&(o.description=r[n],o.description.used=!0);if(s)for(n=0;n<s.length;n++)s[n].grouping_type===i[a].grouping_type&&(o.fragment_description=s[n],o.fragment_description.used=!0,o.is_fragment=!0)}if(t){if(s)for(a=0;a<s.length;a++)!s[a].used&&s[a].version>=2&&(d=s[a].grouping_type+"/0",(o=new l(s[a].grouping_type,0)).is_fragment=!0,t.sample_groups_info[d]||(t.sample_groups_info[d]=o))}else for(a=0;a<r.length;a++)!r[a].used&&r[a].version>=2&&(d=r[a].grouping_type+"/0",o=new l(r[a].grouping_type,0),e.sample_groups_info[d]||(e.sample_groups_info[d]=o))},g.setSampleGroupProperties=function(e,t,i,r){var s,n;for(s in t.sample_groups=[],r){var a;if(t.sample_groups[s]={},t.sample_groups[s].grouping_type=r[s].grouping_type,t.sample_groups[s].grouping_type_parameter=r[s].grouping_type_parameter,i>=r[s].last_sample_in_run&&(r[s].last_sample_in_run<0&&(r[s].last_sample_in_run=0),r[s].entry_index++,r[s].entry_index<=r[s].sbgp.entries.length-1&&(r[s].last_sample_in_run+=r[s].sbgp.entries[r[s].entry_index].sample_count)),r[s].entry_index<=r[s].sbgp.entries.length-1?t.sample_groups[s].group_description_index=r[s].sbgp.entries[r[s].entry_index].group_description_index:t.sample_groups[s].group_description_index=-1,0!==t.sample_groups[s].group_description_index)a=r[s].fragment_description?r[s].fragment_description:r[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,i){t&&(e?(t.is_leading=e.is_leading[i],t.depends_on=e.sample_depends_on[i],t.is_depended_on=e.sample_is_depended_on[i],t.has_redundancy=e.sample_has_redundancy[i]):(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,i,r,s,n,a,o,d,l,u,c,h,f,p,m,_,y,b,v,S,w,U,A,E;if(e.samples=[],e.samples_duration=0,e.samples_size=0,i=e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64,r=e.mdia.minf.stbl.stsc,s=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,n=e.mdia.minf.stbl.stts,a=e.mdia.minf.stbl.ctts,o=e.mdia.minf.stbl.stss,d=e.mdia.minf.stbl.stsd,l=e.mdia.minf.stbl.subs,h=e.mdia.minf.stbl.stdp,u=e.mdia.minf.stbl.sbgps,c=e.mdia.minf.stbl.sgpds,b=-1,v=-1,S=-1,w=-1,U=0,A=0,E=0,g.initSampleGroups(e,null,u,c),void 0!==s){for(t=0;t<s.sample_sizes.length;t++){var x={};x.number=t,x.track_id=e.tkhd.track_id,x.timescale=e.mdia.mdhd.timescale,x.alreadyRead=0,e.samples[t]=x,x.size=s.sample_sizes[t],e.samples_size+=x.size,0===t?(p=1,f=0,x.chunk_index=p,x.chunk_run_index=f,y=r.samples_per_chunk[f],_=0,m=f+1<r.first_chunk.length?r.first_chunk[f+1]-1:1/0):t<y?(x.chunk_index=p,x.chunk_run_index=f):(p++,x.chunk_index=p,_=0,p<=m||(m=++f+1<r.first_chunk.length?r.first_chunk[f+1]-1:1/0),x.chunk_run_index=f,y+=r.samples_per_chunk[f]),x.description_index=r.sample_description_index[x.chunk_run_index]-1,x.description=d.entries[x.description_index],x.offset=i.chunk_offsets[x.chunk_index-1]+_,_+=x.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,x.dts=e.samples[t-1].dts+e.samples[t-1].duration):x.dts=0,a?(t>=S&&(w++,S<0&&(S=0),S+=a.sample_counts[w]),x.cts=e.samples[t].dts+a.sample_offsets[w]):x.cts=x.dts,o?(t==o.sample_numbers[U]-1?(x.is_sync=!0,U++):(x.is_sync=!1,x.degradation_priority=0),l&&l.entries[A].sample_delta+E==t+1&&(x.subsamples=l.entries[A].subsamples,E+=l.entries[A].sample_delta,A++)):x.is_sync=!0,g.process_sdtp(e.mdia.minf.stbl.sdtp,x,x.number),x.degradation_priority=h?h.priority[t]:0,l&&l.entries[A].sample_delta+E==t&&(x.subsamples=l.entries[A].subsamples,E+=l.entries[A].sample_delta),(u.length>0||c.length>0)&&g.setSampleGroupProperties(e,x,t,e.sample_groups_info)}t>0&&(e.samples[t-1].duration=Math.max(e.mdia.mdhd.duration-e.samples[t-1].dts,0),e.samples_duration+=e.samples[t-1].duration)}},g.prototype.updateSampleLists=function(){var e,t,i,r,s,n,a,o,d,l,u,c,f,p,m;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(d=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==d.type)for(l=d,e=0;e<l.trafs.length;e++){for(u=l.trafs[e],c=this.getTrackById(u.tfhd.track_id),f=this.getTrexById(u.tfhd.track_id),r=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:f?f.default_sample_description_index:1,s=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:f?f.default_sample_duration:0,n=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:f?f.default_sample_size:0,a=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_FLAGS?u.tfhd.default_sample_flags:f?f.default_sample_flags:0,u.sample_number=0,u.sbgps.length>0&&g.initSampleGroups(c,u,u.sbgps,c.mdia.minf.stbl.sgpds,u.sgpds),t=0;t<u.truns.length;t++){var _=u.truns[t];for(i=0;i<_.sample_count;i++){(p={}).moof_number=this.lastMoofIndex,p.number_in_traf=u.sample_number,u.sample_number++,p.number=c.samples.length,u.first_sample_index=c.samples.length,c.samples.push(p),p.track_id=c.tkhd.track_id,p.timescale=c.mdia.mdhd.timescale,p.description_index=r-1,p.description=c.mdia.minf.stbl.stsd.entries[p.description_index],p.size=n,_.flags&h.TRUN_FLAGS_SIZE&&(p.size=_.sample_size[i]),c.samples_size+=p.size,p.duration=s,_.flags&h.TRUN_FLAGS_DURATION&&(p.duration=_.sample_duration[i]),c.samples_duration+=p.duration,c.first_traf_merged||i>0?p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration:(u.tfdt?p.dts=u.tfdt.baseMediaDecodeTime:p.dts=0,c.first_traf_merged=!0),p.cts=p.dts,_.flags&h.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+_.sample_composition_time_offset[i]),m=a,_.flags&h.TRUN_FLAGS_FLAGS?m=_.sample_flags[i]:0===i&&_.flags&h.TRUN_FLAGS_FIRST_FLAG&&(m=_.first_sample_flags),p.is_sync=!(m>>16&1),p.is_leading=m>>26&3,p.depends_on=m>>24&3,p.is_depended_on=m>>22&3,p.has_redundancy=m>>20&3,p.degradation_priority=65535&m;var y=!!(u.tfhd.flags&h.TFHD_FLAG_BASE_DATA_OFFSET),b=!!(u.tfhd.flags&h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),v=!!(_.flags&h.TRUN_FLAGS_DATA_OFFSET),S=0;S=y?u.tfhd.base_data_offset:b||0===t?l.start:o,p.offset=0===t&&0===i?v?S+_.data_offset:S:o,o=p.offset+p.size,(u.sbgps.length>0||u.sgpds.length>0||c.mdia.minf.stbl.sbgps.length>0||c.mdia.minf.stbl.sgpds.length>0)&&g.setSampleGroupProperties(c,p,p.number_in_traf,u.sample_groups_info)}}if(u.subs){c.has_fragment_subsamples=!0;var w=u.first_sample_index;for(t=0;t<u.subs.entries.length;t++)w+=u.subs.entries[t].sample_delta,(p=c.samples[w-1]).subsamples=u.subs.entries[t].subsamples}}},g.prototype.getSample=function(e,t){var i,r=e.samples[t];if(!this.moov)return null;if(r.data){if(r.alreadyRead==r.size)return r}else r.data=new Uint8Array(r.size),r.alreadyRead=0,this.samplesDataSize+=r.size,a.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+r.size+" (total: "+this.samplesDataSize+")");for(;;){var s=this.stream.findPosition(!0,r.offset+r.alreadyRead,!1);if(!(s>-1))return null;var n=(i=this.stream.buffers[s]).byteLength-(r.offset+r.alreadyRead-i.fileStart);if(r.size-r.alreadyRead<=n)return a.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+(r.size-r.alreadyRead)+" full size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,r.size-r.alreadyRead),i.usedBytes+=r.size-r.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead=r.size,r;if(0===n)return null;a.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+n+" full size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,n),r.alreadyRead+=n,i.usedBytes+=n,this.stream.logBufferLevel()}},g.prototype.releaseSample=function(e,t){var i=e.samples[t];return i.data?(this.samplesDataSize-=i.size,i.data=null,i.alreadyRead=0,i.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 i=this.moov.mvex.trexs[t];if(i.track_id==e)return i}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 i=this.moov.traks[t];if(i.tkhd.track_id==e)return i}return null},g.prototype.items=[],g.prototype.entity_groups=[],g.prototype.itemsDataSize=0,g.prototype.flattenItemInfo=function(){var e,t,i,r=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++)(i={}).id=n.iinf.item_infos[e].item_ID,r[i.id]=i,i.ref_to=[],i.name=n.iinf.item_infos[e].item_name,n.iinf.item_infos[e].protection_index>0&&(i.protection=n.ipro.protections[n.iinf.item_infos[e].protection_index-1]),n.iinf.item_infos[e].item_type?i.type=n.iinf.item_infos[e].item_type:i.type="mime",i.content_type=n.iinf.item_infos[e].content_type,i.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(i=r[o.item_ID],0!==o.data_reference_index&&(a.warn("Item storage with reference to other files: not supported"),i.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(i.extents=[],i.size=0,t=0;t<o.extents.length;t++)i.extents[t]={},i.extents[t].offset=o.extents[t].extent_offset+o.base_offset,i.extents[t].length=o.extents[t].extent_length,i.extents[t].alreadyRead=0,i.size+=i.extents[t].length}if(n.pitm&&(r[n.pitm.item_id].primary=!0),n.iref)for(e=0;e<n.iref.references.length;e++){var d=n.iref.references[e];for(t=0;t<d.references.length;t++)r[d.from_item_ID].ref_to.push({type:d.type,id:d.references[t]})}if(n.iprp)for(var l=0;l<n.iprp.ipmas.length;l++){var u=n.iprp.ipmas[l];for(e=0;e<u.associations.length;e++){var c=u.associations[e];if((i=r[c.id])||(i=s[c.id]),i)for(void 0===i.properties&&(i.properties={},i.properties.boxes=[]),t=0;t<c.props.length;t++){var h=c.props[t];if(h.property_index>0&&h.property_index-1<n.iprp.ipco.boxes.length){var f=n.iprp.ipco.boxes[h.property_index-1];i.properties[f.type]=f,i.properties.boxes.push(f)}}}}}},g.prototype.getItem=function(e){var t,i;if(!this.meta)return null;if(!(i=this.items[e]).data&&i.size)i.data=new Uint8Array(i.size),i.alreadyRead=0,this.itemsDataSize+=i.size,a.debug("ISOFile","Allocating item #"+e+" of size "+i.size+" (total: "+this.itemsDataSize+")");else if(i.alreadyRead===i.size)return i;for(var r=0;r<i.extents.length;r++){var s=i.extents[r];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 #"+r+" partial data (alreadyRead: "+s.alreadyRead+" offset: "+(s.offset+s.alreadyRead-t.fileStart)+" read size: "+o+" full extent size: "+s.length+" full item size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,o),s.alreadyRead+=o,i.alreadyRead+=o,t.usedBytes+=o,this.stream.logBufferLevel(),null;a.debug("ISOFile","Getting item #"+e+" extent #"+r+" 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: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,t,s.offset+s.alreadyRead-t.fileStart,s.length-s.alreadyRead),t.usedBytes+=s.length-s.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead+=s.length-s.alreadyRead,s.alreadyRead=s.length}}return i.alreadyRead===i.size?i: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 i=0;i<t.extents.length;i++){t.extents[i].alreadyRead=0}return t.size}return 0},g.prototype.processItems=function(e){for(var t in this.items){var i=this.items[t];this.getItem(i.id),e&&!i.sent&&(e(i),i.sent=!0,i.data=null)}},g.prototype.hasItem=function(e){for(var t in this.items){var i=this.items[t];if(i.name===e)return i.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||{},i=null;if(null==(i=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var r=new g;r.discardMdatData=!1;var s={type:i.type,description_boxes:i.properties.boxes};i.properties.ispe&&(s.width=i.properties.ispe.image_width,s.height=i.properties.ispe.image_height);var n=r.addTrack(s);return n?(r.addSample(n,i.data),r):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,i){var r=this.getTrackById(e),s=this.getSample(r,t);if(null==s)return this.setNextSeekPositionFromSample(r.samples[t]),null;var n=i||new d;n.endianness=d.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 "+o.trafs[0].truns[0].data_offset),n.adjustUint32(o.trafs[0].truns[0].data_offset_position,o.trafs[0].truns[0].data_offset);var l=new h.mdatBox;return l.data=s.data,l.write(n),n},g.writeInitializationSegment=function(e,t,i,r){var s;a.debug("ISOFile","Generating initialization segment");var n=new d;n.endianness=d.BIG_ENDIAN,e.write(n);var o=t.add("mvex");for(i&&o.add("mehd").set("fragment_duration",i),s=0;s<t.traks.length;s++)o.add("trex").set("track_id",t.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",r).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(n),n.buffer},g.prototype.save=function(e){var t=new d;t.endianness=d.BIG_ENDIAN,this.write(t),t.save(e)},g.prototype.getBuffer=function(){var e=new d;return e.endianness=d.BIG_ENDIAN,this.write(e),e.buffer},g.prototype.initializeSegmentation=function(){var e,t,i,r;for(null===this.onSegment&&a.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var s=new h.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),i=this.getTrackById(this.fragmentedTracks[e].id),s.boxes.push(i),s.traks.push(i),(r={}).id=i.tkhd.track_id,r.user=this.fragmentedTracks[e].user,r.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(r)}return t},h.Box.prototype.printHeader=function(e){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},h.FullBox.prototype.printHeader=function(e){this.size+=4,h.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},h.Box.prototype.print=function(e){this.printHeader(e)},h.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t=0;t<this.boxes.length;t++)if(this.boxes[t]){var i=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=i}},g.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},h.mvhdBox.prototype.print=function(e){h.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"rate: "+this.rate),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"next_track_id: "+this.next_track_id)},h.tkhdBox.prototype.print=function(e){h.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"track_id: "+this.track_id),e.log(e.indent+"duration: "+this.duration),e.log(e.indent+"volume: "+(this.volume>>8)),e.log(e.indent+"matrix: "+this.matrix.join(", ")),e.log(e.indent+"layer: "+this.layer),e.log(e.indent+"alternate_group: "+this.alternate_group),e.log(e.indent+"width: "+this.width),e.log(e.indent+"height: "+this.height)};var y={createFile:function(e,t){var i=void 0===e||e,r=new g(t);return r.discardMdatData=!i,r}};t.createFile=y.createFile}));function vr(e){return e.reduce(((e,t)=>256*e+t))}function Sr(e){const t=[101,103,119,99],i=e.length-28,r=e.slice(i,i+t.length);return t.every(((e,t)=>e===r[t]))}br.Log,br.MP4BoxStream,br.DataStream,br.MultiBufferStream,br.MPEG4DescriptorParser,br.BoxParser,br.XMLSubtitlein4Parser,br.Textin4Parser,br.ISOFile,br.createFile;class wr{constructor(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=new Uint8Array([30,158,90,33,244,57,83,165,2,70,35,87,215,231,226,108]),this.t=this.n.slice().reverse()}destroy(){this.s=null,this.a=null,this.l=0,this.c=0,this.u=1/0,this.A=!1,this.d=!1,this.r=4194304,this.n=null,this.t=null}transport(e){if(!this.s&&this.l>50)return e;if(this.l++,this.d)return e;const t=new Uint8Array(e);if(this.A){if(!(this.c<this.u))return this.a&&this.s?(this.a.set(t,this.r),this.s.parse(null,this.r,t.byteLength),this.a.slice(this.r,this.r+t.byteLength)):(console.error("video_error_2"),this.d=!0,e);Sr(t)&&this.c++}else{const i=function(e,t){const i=function(e,t){for(let i=0;i<e.byteLength-t.length;i++)for(let r=0;r<t.length&&e[i+r]===t[r];r++)if(r===t.length-1)return i;return null}(e,t);if(i){const t=vr(e.slice(i+16,i+16+8));return[t,vr(e.slice(i+24,i+24+8)),function(e){return e.map((e=>~e))}(e.slice(i+32,i+32+t))]}return null}(t,this.t);if(!i)return e;const r=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(r instanceof Error)return console.error(r.message),this.d=!0,e;this.A=!0,this.u=i[1],Sr(t)&&this.c++,WebAssembly.instantiate(i[2],r).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 Ur=16,Ar=[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],Er=[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 i=0,r=e.length;i<r;i+=2)t.push(parseInt(e.substr(i,2),16));return t}function Br(e){return e.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join("")}function Tr(e){const t=[];for(let i=0,r=e.length;i<r;i++){const r=e.codePointAt(i);if(r<=127)t.push(r);else if(r<=2047)t.push(192|r>>>6),t.push(128|63&r);else if(r<=55295||r>=57344&&r<=65535)t.push(224|r>>>12),t.push(128|r>>>6&63),t.push(128|63&r);else{if(!(r>=65536&&r<=1114111))throw t.push(r),new Error("input is not supported");i++,t.push(240|r>>>18&28),t.push(128|r>>>12&63),t.push(128|r>>>6&63),t.push(128|63&r)}}return t}function Cr(e){const t=[];for(let i=0,r=e.length;i<r;i++)e[i]>=240&&e[i]<=247?(t.push(String.fromCodePoint(((7&e[i])<<18)+((63&e[i+1])<<12)+((63&e[i+2])<<6)+(63&e[i+3]))),i+=3):e[i]>=224&&e[i]<=239?(t.push(String.fromCodePoint(((15&e[i])<<12)+((63&e[i+1])<<6)+(63&e[i+2]))),i+=2):e[i]>=192&&e[i]<=223?(t.push(String.fromCodePoint(((31&e[i])<<6)+(63&e[i+1]))),i++):t.push(String.fromCodePoint(e[i]));return t.join("")}function kr(e,t){const i=31&t;return e<<i|e>>>32-i}function Ir(e){return(255&Ar[e>>>24&255])<<24|(255&Ar[e>>>16&255])<<16|(255&Ar[e>>>8&255])<<8|255&Ar[255&e]}function Dr(e){return e^kr(e,2)^kr(e,10)^kr(e,18)^kr(e,24)}function Fr(e){return e^kr(e,13)^kr(e,23)}function Lr(e,t,i){const r=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],r[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];for(let e,t=0;t<32;t+=4)e=r[1]^r[2]^r[3]^i[t+0],r[0]^=Dr(Ir(e)),e=r[2]^r[3]^r[0]^i[t+1],r[1]^=Dr(Ir(e)),e=r[3]^r[0]^r[1]^i[t+2],r[2]^=Dr(Ir(e)),e=r[0]^r[1]^r[2]^i[t+3],r[3]^=Dr(Ir(e));for(let e=0;e<16;e+=4)t[e]=r[3-e/4]>>>24&255,t[e+1]=r[3-e/4]>>>16&255,t[e+2]=r[3-e/4]>>>8&255,t[e+3]=255&r[3-e/4]}function Pr(e,t,i){const r=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],r[t]=s[0]<<24|s[1]<<16|s[2]<<8|s[3];r[0]^=2746333894,r[1]^=1453994832,r[2]^=1736282519,r[3]^=2993693404;for(let e,i=0;i<32;i+=4)e=r[1]^r[2]^r[3]^Er[i+0],t[i+0]=r[0]^=Fr(Ir(e)),e=r[2]^r[3]^r[0]^Er[i+1],t[i+1]=r[1]^=Fr(Ir(e)),e=r[3]^r[0]^r[1]^Er[i+2],t[i+2]=r[2]^=Fr(Ir(e)),e=r[0]^r[1]^r[2]^Er[i+3],t[i+3]=r[3]^=Fr(Ir(e));if(0===i)for(let e,i=0;i<16;i++)e=t[i],t[i]=t[31-i],t[31-i]=e}function Rr(e,t,i){let{padding:r="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!==i?Tr(e):xr(e):[...e],("pkcs#5"===r||"pkcs#7"===r)&&0!==i){const t=Ur-e.length%Ur;for(let i=0;i<t;i++)e.push(t)}const o=new Array(32);Pr(t,o,i);const d=[];let l=n,u=e.length,c=0;for(;u>=Ur;){const t=e.slice(c,c+16),r=new Array(16);if("cbc"===s)for(let e=0;e<Ur;e++)0!==i&&(t[e]^=l[e]);Lr(t,r,o);for(let e=0;e<Ur;e++)"cbc"===s&&0===i&&(r[e]^=l[e]),d[c+e]=r[e];"cbc"===s&&(l=0!==i?r:t),u-=Ur,c+=Ur}if(("pkcs#5"===r||"pkcs#7"===r)&&0===i){const e=d.length,t=d[e-1];for(let i=1;i<=t;i++)if(d[e-i]!==t)throw new Error("padding is invalid");d.splice(e-t,t)}return"array"!==a?0!==i?Br(d):Cr(d):d}function Mr(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function zr(e,t){let i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const r=e.byteLength;let s=5;for(;s<r;){let n=Mr(e.slice(s,s+4));if(n>r)break;let a=e[s+4],o=!1;if(i?(a=a>>>1&63,o=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(a)):(a&=31,o=1===a||5===a),o){const i=Rr(e.slice(s+4+2,s+4+n),t,0,{padding:"none",output:"array"});e.set(i,s+4+2)}s=s+4+n}return e}const Nr={init:0,findFirstStartCode:1,findSecondStartCode:2};class Or extends class{on(e,t,i){const r=this.e||(this.e={});return(r[e]||(r[e]=[])).push({fn:t,ctx:i}),this}once(e,t,i){const r=this;function s(){r.off(e,s);for(var n=arguments.length,a=new Array(n),o=0;o<n;o++)a[o]=arguments[o];t.apply(i,a)}return s._=t,this.on(e,s,i)}emit(e){const t=((this.e||(this.e={}))[e]||[]).slice();for(var i=arguments.length,r=new Array(i>1?i-1:0),s=1;s<i;s++)r[s-1]=arguments[s];for(let e=0;e<t.length;e+=1)t[e].fn.apply(t[e].ctx,r);return this}off(e,t){const i=this.e||(this.e={});if(!e)return Object.keys(i).forEach((e=>{delete i[e]})),void delete this.e;const r=i[e],s=[];if(r&&t)for(let e=0,i=r.length;e<i;e+=1)r[e].fn!==t&&r[e].fn._!==t&&s.push(r[e]);return s.length?i[e]=s:delete i[e],this}}{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=Nr.init,this.tempBuffer=new Uint8Array(0),this.parsedOffset=0,this.versionLayer=0}dispatch(e,t){let i=new Uint8Array(this.tempBuffer.length+e.length);for(i.set(this.tempBuffer,0),i.set(e,this.tempBuffer.length),this.tempBuffer=i;!this.isDestroyed;){if(this.state==Nr.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=Nr.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Nr.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=Nr.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Nr.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=Nr.findFirstStartCode}}}}function Gr(e,t,i){for(let r=2;r<e.length;++r){const s=r-2,n=t[s%t.length],a=i[s%i.length];e[r]=e[r]^n^a}return e}function Hr(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function Vr(e,t,i){let r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const s=e.byteLength;let n=5;for(;n<s;){let a=Hr(e.slice(n,n+4));if(a>s)break;let o=e[n+4],d=!1;if(r?(o=o>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,d=1===o||5===o),d){const r=Gr(e.slice(n+4,n+4+a),t,i);e.set(r,n+4)}n=n+4+a}return e}function $r(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];if((t=t.filter(Boolean)).length<2)return t[0];const r=new Uint8Array(t.reduce(((e,t)=>e+t.byteLength),0));let s=0;return t.forEach((e=>{r.set(e,s),s+=e.byteLength})),r}class Wr{constructor(e){this.destroys=[],this.proxy=this.proxy.bind(this),this.master=e}proxy(e,t,i){let r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if(!e)return;if(Array.isArray(t))return t.map((t=>this.proxy(e,t,i,r)));e.addEventListener(t,i,r);const s=()=>{Ht(e.removeEventListener)&&e.removeEventListener(t,i,r)};return this.destroys.push(s),s}destroy(){this.master.debug&&this.master.debug.log("Events","destroy"),this.destroys.forEach((e=>e())),this.destroys=[]}}class Yr{static init(){Yr.types={avc1:[],avcC:[],hvc1:[],hvcC:[],av01:[],av1C:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[],".mp3":[],Opus:[],dOps:[],"ac-3":[],dac3:[],"ec-3":[],dec3:[]};for(let e in Yr.types)Yr.types.hasOwnProperty(e)&&(Yr.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);let e=Yr.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,i=null,r=Array.prototype.slice.call(arguments,1),s=r.length;for(let e=0;e<s;e++)t+=r[e].byteLength;i=new Uint8Array(t),i[0]=t>>>24&255,i[1]=t>>>16&255,i[2]=t>>>8&255,i[3]=255&t,i.set(e,4);let n=8;for(let e=0;e<s;e++)i.set(r[e],n),n+=r[e].byteLength;return i}static generateInitSegment(e){let t=Yr.box(Yr.types.ftyp,Yr.constants.FTYP),i=Yr.moov(e),r=new Uint8Array(t.byteLength+i.byteLength);return r.set(t,0),r.set(i,t.byteLength),r}static moov(e){let t=Yr.mvhd(e.timescale,e.duration),i=Yr.trak(e),r=Yr.mvex(e);return Yr.box(Yr.types.moov,t,i,r)}static mvhd(e,t){return Yr.box(Yr.types.mvhd,new 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Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,i>>>24&255,i>>>16&255,i>>>8&255,255&i,85,196,0,0]))}static hdlr(e){let t=null;return t="audio"===e.type?Yr.constants.HDLR_AUDIO:Yr.constants.HDLR_VIDEO,Yr.box(Yr.types.hdlr,t)}static minf(e){let t=null;return t="audio"===e.type?Yr.box(Yr.types.smhd,Yr.constants.SMHD):Yr.box(Yr.types.vmhd,Yr.constants.VMHD),Yr.box(Yr.types.minf,t,Yr.dinf(),Yr.stbl(e))}static dinf(){return Yr.box(Yr.types.dinf,Yr.box(Yr.types.dref,Yr.constants.DREF))}static stbl(e){return Yr.box(Yr.types.stbl,Yr.stsd(e),Yr.box(Yr.types.stts,Yr.constants.STTS),Yr.box(Yr.types.stsc,Yr.constants.STSC),Yr.box(Yr.types.stsz,Yr.constants.STSZ),Yr.box(Yr.types.stco,Yr.constants.STCO))}static stsd(e){return"audio"===e.type?"mp3"===e.audioType?Yr.box(Yr.types.stsd,Yr.constants.STSD_PREFIX,Yr.mp3(e)):Yr.box(Yr.types.stsd,Yr.constants.STSD_PREFIX,Yr.mp4a(e)):"avc"===e.videoType?Yr.box(Yr.types.stsd,Yr.constants.STSD_PREFIX,Yr.avc1(e)):Yr.box(Yr.types.stsd,Yr.constants.STSD_PREFIX,Yr.hvc1(e))}static mp3(e){let t=e.channelCount,i=e.audioSampleRate,r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,i>>>8&255,255&i,0,0]);return Yr.box(Yr.types[".mp3"],r)}static mp4a(e){let t=e.channelCount,i=e.audioSampleRate,r=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,i>>>8&255,255&i,0,0]);return Yr.box(Yr.types.mp4a,r,Yr.esds(e))}static esds(e){let t=e.config||[],i=t.length,r=new Uint8Array([0,0,0,0,3,23+i,0,1,0,4,15+i,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([i]).concat(t).concat([6,1,2]));return Yr.box(Yr.types.esds,r)}static avc1(e){let t=e.avcc;const i=e.codecWidth,r=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,i>>>8&255,255&i,r>>>8&255,255&r,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Yr.box(Yr.types.avc1,s,Yr.box(Yr.types.avcC,t))}static hvc1(e){let t=e.avcc;const i=e.codecWidth,r=e.codecHeight;let s=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,i>>>8&255,255&i,r>>>8&255,255&r,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Yr.box(Yr.types.hvc1,s,Yr.box(Yr.types.hvcC,t))}static mvex(e){return Yr.box(Yr.types.mvex,Yr.trex(e))}static trex(e){let t=e.id,i=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return Yr.box(Yr.types.trex,i)}static moof(e,t){return Yr.box(Yr.types.moof,Yr.mfhd(e.sequenceNumber),Yr.traf(e,t))}static mfhd(e){let t=new Uint8Array([0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e]);return 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Uint8Array(Yi.lastBuf.length+e.byteLength);i.set(Yi.lastBuf),i.set(new Uint8Array(e),Yi.lastBuf.length),Yi.lastBuf=i}},handleNALu(e){e.byteLength<=4?Zi.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),Yi.handleVideoNalu(e))},handleVideoNalu(e){if(Yi.streamType||(Yi.streamType=Vt(e),Oi=Yi.streamType===ke),Yi.streamType===Ce){const t=Yi.handleAddNaluStartCode(e),i=Yi.extractNALu(t);if(0===i.length)return void Zi.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");const r=[];if(i.forEach((e=>{const t=fi(e);t===Re||t===Pe?Yi.handleVideoH264Nalu(e):mi(t)&&r.push(e)})),1===r.length)Yi.handleVideoH264Nalu(r[0]);else{if(gi(r)){const e=fi(r[0]),t=_i(e);Yi.handleVideoH264NaluList(r,t,e)}else r.forEach((e=>{Yi.handleVideoH264Nalu(e)}))}}else if(Yi.streamType===ke)if(Zi._opt.nakedFlowH265DemuxUseNew){const t=Yi.handleAddNaluStartCode(e),i=Yi.extractNALu(t);if(0===i.length)return void Zi.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const r=[];if(i.forEach((e=>{const t=Di(e);t===Ve||t===He||t===Ge?Yi.handleVideoH265Nalu(e):Li(t)&&r.push(e)})),1===r.length)Yi.handleVideoH265Nalu(r[0]);else{if(Ri(r)){const e=Di(r[0]),t=Pi(e);Yi.handleVideoH265NaluList(r,t,e)}else r.forEach((e=>{Yi.handleVideoH265Nalu(e)}))}}else{Di(e)===Ve?Yi.extractH265PPS(e):Yi.handleVideoH265Nalu(e)}},extractH264PPS(e){const t=Yi.handleAddNaluStartCode(e);Yi.extractNALu(t).forEach((e=>{pi(fi(e))?Yi.extractH264SEI(e):Yi.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=Yi.handleAddNaluStartCode(e);Yi.extractNALu(t).forEach((e=>{Fi(Di(e))?Yi.extractH265SEI(e):Yi.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=Yi.handleAddNaluStartCode(e);Yi.extractNALu(t).forEach((e=>{Yi.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=Yi.handleAddNaluStartCode(e);Yi.extractNALu(t).forEach((e=>{Yi.handleVideoH265Nalu(e)}))},handleAddNaluStartCode(e){const t=[0,0,0,1],i=new Uint8Array(e.length+t.length);return i.set(t),i.set(e,t.length),i},handleVideoH264Nalu(e){const t=fi(e);switch(t){case Pe:Yi.sps=e;break;case Re:Yi.pps=e}if(Yi.isSendSeqHeader){if(Yi.sps&&Yi.pps){const e=li({sps:Yi.sps,pps:Yi.pps}),t=Yi.getNaluDts();Zi.decode(e,{type:te,ts:t,isIFrame:!0,cts:0}),Yi.sps=null,Yi.pps=null}if(mi(t)){const i=_i(t),r=Yi.getNaluDts(),s=ci(e,i);Yi.doDecode(s,{type:te,ts:r,isIFrame:i,cts:0})}else Zi.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(Yi.sps&&Yi.pps){Yi.isSendSeqHeader=!0;const e=li({sps:Yi.sps,pps:Yi.pps});Zi.decode(e,{type:te,ts:0,isIFrame:!0,cts:0}),Yi.sps=null,Yi.pps=null}},handleVideoH264NaluList(e,t,i){if(Yi.isSendSeqHeader){const r=Yi.getNaluDts(),s=hi(e.reduce(((e,t)=>{const i=Ei(e),r=Ei(t),s=new Uint8Array(i.byteLength+r.byteLength);return s.set(i,0),s.set(r,i.byteLength),s})),t);Yi.doDecode(s,{type:te,ts:r,isIFrame:t,cts:0}),Zi.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${i}, dts is ${r}`)}else Zi.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=Di(e);switch(t){case Ge:Yi.vps=e;break;case He:Yi.sps=e;break;case Ve:Yi.pps=e}if(Yi.isSendSeqHeader){if(Yi.vps&&Yi.sps&&Yi.pps){const e=Ci({vps:Yi.vps,sps:Yi.sps,pps:Yi.pps}),t=Yi.getNaluDts();Zi.decode(e,{type:te,ts:t,isIFrame:!0,cts:0}),Yi.vps=null,Yi.sps=null,Yi.pps=null}if(Li(t)){const i=Pi(t),r=Yi.getNaluDts(),s=ki(e,i);Yi.doDecode(s,{type:te,ts:r,isIFrame:i,cts:0})}else Zi.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(Yi.vps&&Yi.sps&&Yi.pps){Yi.isSendSeqHeader=!0;const e=Ci({vps:Yi.vps,sps:Yi.sps,pps:Yi.pps});Zi.decode(e,{type:te,ts:0,isIFrame:!0,cts:0}),Yi.vps=null,Yi.sps=null,Yi.pps=null}},handleVideoH265NaluList(e,t,i){if(Yi.isSendSeqHeader){const r=Yi.getNaluDts(),s=Ii(e.reduce(((e,t)=>{const i=Ei(e),r=Ei(t),s=new Uint8Array(i.byteLength+r.byteLength);return s.set(i,0),s.set(r,i.byteLength),s})),t);Yi.doDecode(s,{type:te,ts:r,isIFrame:t,cts:0}),Zi.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${i}, dts is ${r}`)}else Zi.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){Zi.calcNetworkDelay(t.ts),t.isIFrame&&Zi.calcIframeIntervalTimestamp(t.ts),postMessage({cmd:P,type:ye,value:e.byteLength}),postMessage({cmd:P,type:be,value:t.ts}),Zi.decode(e,t)}},ji={LOG_NAME:"worker fmp4Demuxer",mp4Box:br.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){ji.mp4Box.onReady=ji.onReady,ji.mp4Box.onError=ji.onError,ji.mp4Box.onSamples=ji.onSamples},initTransportDescarmber(){ji.transportDescarmber=new wr},_getSeqHeader(e){const t=ji.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new br.DataStream(void 0,0,br.DataStream.BIG_ENDIAN);let i=[];e.avcC?(e.avcC.write(t),i=[23,0,0,0,0]):(ji.isHevc=!0,Oi=!0,e.hvcC.write(t),i=[28,0,0,0,0]);const r=new Uint8Array(t.buffer,8),s=new Uint8Array(i.length+r.length);return s.set(i,0),s.set(r,i.length),s}return null},onReady(e){Zi.debug.log(ji.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],i=e.audioTracks[0];if(t){ji.videoTrackId=t.id;const e=ji._getSeqHeader(t);e&&(Zi.debug.log(ji.LOG_NAME,"seqHeader"),Zi.isPlayUseMSEAndDecoderInWorker()?Xi.decodeVideo(e,0,!0,0):Zi.decodeVideo(e,0,!0,0)),ji.mp4Box.setExtractionOptions(t.id)}if(i&&Zi._opt.hasAudio){ji.audioTrackId=i.id;const e=i.audio||{},t=xt.indexOf(e.sample_rate),r=i.codec.replace("mp4a.40.","");ji.mp4Box.setExtractionOptions(i.id);const s=wt({profile:parseInt(r,10),sampleRate:t,channel:e.channel_count});Zi.debug.log(ji.LOG_NAME,"aacADTSHeader"),Zi.isPlayUseMSEAndDecoderInWorker()&&Zi._opt.mseDecodeAudio?Xi.decodeAudio(s,0):Zi.decodeAudio(s,0)}ji.mp4Box.start()},onError(e){Zi.debug.error(ji.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,i){if(e===ji.videoTrackId)for(const e of i){const t=e.data,i=e.is_sync,r=1e3*e.cts/e.timescale;e.duration,e.timescale,i&&Zi.calcIframeIntervalTimestamp(r);let s=null;s=ji.isHevc?Ii(t,i):hi(t,i),postMessage({cmd:P,type:ye,value:s.byteLength}),postMessage({cmd:P,type:be,value:r}),Zi.decode(s,{type:te,ts:r,isIFrame:i,cts:0})}else if(e===ji.audioTrackId){if(Zi._opt.hasAudio)for(const e of i){const t=e.data,i=1e3*e.cts/e.timescale;e.duration,e.timescale;const r=new Uint8Array(t.byteLength+2);r.set([175,1],0),r.set(t,2),postMessage({cmd:P,type:ge,value:r.byteLength}),Zi.decode(r,{type:ee,ts:i,isIFrame:!1,cts:0})}}else Zi.debug.warn(ji.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(ji.transportDescarmber&&(t=ji.transportDescarmber.transport(t)),t.buffer.fileStart=ji.offset,ji.offset+=t.byteLength,ji.mp4Box.appendBuffer(t.buffer)):Zi.debug.warn(ji.LOG_NAME,"dispatch()","data is not object",e):Zi.debug.warn(ji.LOG_NAME,"dispatch()","data is string",e)},destroy(){ji.mp4Box&&(ji.mp4Box.flush(),ji.mp4Box=null),ji.transportDescarmber&&(ji.transportDescarmber.destroy(),ji.transportDescarmber=null),ji.offset=0,ji.videoTrackId=null,ji.audioTrackId=null,ji.isHevc=!1}},qi={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);qi.extractNALu(t)},destroy(){qi.lastBuffer=new Uint8Array(0),qi.parsedOffset=0,qi.firstStartCodeOffset=0,qi.secondStartCodeOffset=0,qi.state="init",qi.hasInitVideoCodec=!1,qi.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void Zi.debug.warn(qi.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(qi.lastBuffer.length+e.length);for(t.set(qi.lastBuffer,0),t.set(new Uint8Array(e),qi.lastBuffer.length),qi.lastBuffer=t;;){if("init"===qi.state){let e=!1;for(;qi.lastBuffer.length-qi.parsedOffset>=4;)if(0===qi.lastBuffer[qi.parsedOffset])if(0===qi.lastBuffer[qi.parsedOffset+1])if(1===qi.lastBuffer[qi.parsedOffset+2]){if(182===qi.lastBuffer[qi.parsedOffset+3]){qi.state="findFirstStartCode",qi.firstStartCodeOffset=qi.parsedOffset,qi.parsedOffset+=4,e=!0;break}qi.parsedOffset++}else qi.parsedOffset++;else qi.parsedOffset++;else qi.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===qi.state){let e=!1;for(;qi.lastBuffer.length-qi.parsedOffset>=4;)if(0===qi.lastBuffer[qi.parsedOffset])if(0===qi.lastBuffer[qi.parsedOffset+1])if(1===qi.lastBuffer[qi.parsedOffset+2]){if(182===qi.lastBuffer[qi.parsedOffset+3]){qi.state="findSecondStartCode",qi.secondStartCodeOffset=qi.parsedOffset,qi.parsedOffset+=4,e=!0;break}qi.parsedOffset++}else qi.parsedOffset++;else qi.parsedOffset++;else qi.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===qi.state){if(!(qi.lastBuffer.length-qi.parsedOffset>0))break;{let e,t,i=192&qi.lastBuffer[qi.parsedOffset];e=0==i?qi.secondStartCodeOffset-14:qi.secondStartCodeOffset;let r=0==(192&qi.lastBuffer[qi.firstStartCodeOffset+4]);if(r){if(qi.firstStartCodeOffset-14<0)return void Zi.debug.warn(qi.LOG_NAME,"firstStartCodeOffset -14 is",qi.firstStartCodeOffset-14);qi.hasInitVideoCodec||(qi.hasInitVideoCodec=!0,Zi.debug.log(qi.LOG_NAME,"setCodec"),Qi.setCodec(Te,"")),t=qi.lastBuffer.subarray(qi.firstStartCodeOffset-14,e)}else t=qi.lastBuffer.subarray(qi.firstStartCodeOffset,e);let s=qi.getNaluDts();qi.hasInitVideoCodec?(postMessage({cmd:P,type:ye,value:t.byteLength}),postMessage({cmd:P,type:be,value:s}),Qi.decode(t,r?1:0,s)):Zi.debug.warn(qi.LOG_NAME,"has not init video codec"),qi.lastBuffer=qi.lastBuffer.subarray(e),qi.firstStartCodeOffset=0==i?14:0,qi.parsedOffset=qi.firstStartCodeOffset+4,qi.state="findFirstStartCode"}}}},getNaluDts(){let e=qi.localDts;return qi.localDts=qi.localDts+40,e}},Ki={isFirstDispatch:!0,_pmtId:-1,_remainingPacketData:null,_videoPesData:[],_audioPesData:[],_gopId:0,_videoPid:-1,_audioPid:-1,_codecType:xe,_audioCodecType:Ie,_vps:null,_sps:null,_pps:null,TAG_NAME:"worker TsDemuxer",videoTrack:{samples:[]},audioTrack:{samples:[]},_baseDts:-1,_audioNextPts:void 0,_videoNextDts:void 0,_audioTimestampBreak:!1,_videoTimestampBreak:!1,_lastAudioExceptionGapDot:0,_lastAudioExceptionOverlapDot:0,_lastAudioExceptionLargeGapDot:0,_isSendAACSeqHeader:!1,init(){},dispatch(e){const t=new Uint8Array(e);Ki.demuxAndFix(t,Ki.isFirstDispatch,!0,0),Ki.isFirstDispatch&&(Ki.isFirstDispatch=!1)},_probe:e=>!!e.length&&(71===e[0]&&71===e[188]&&71===e[376]),_parsePES(e){const t=e[8];if(null==t||e.length<t+9)return;if(1!==(e[0]<<16|e[1]<<8|e[2]))return;const i=(e[4]<<8)+e[5];if(i&&i>e.length-6)return;let r,s;const n=e[7];return 192&n&&(r=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&n?(s=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,r-s>54e5&&(r=s)):s=r),{data:e.subarray(9+t),pts:r,dts:s,originalPts:r,originalDts:s}},demuxAndFix(e,t,i,r){Ki._demux(e,t,i),Ki._fix(r,t,i)},_initVideoTrack:()=>({samples:[]}),_initAudioTrack:()=>({samples:[]}),_demux(e){let t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];t&&(Ki._pmtId=-1,Ki.videoTrack=Ki._initVideoTrack(),Ki.audioTrack=Ki._initAudioTrack()),!i||t?(Ki._remainingPacketData=null,Ki._videoPesData=[],Ki._audioPesData=[]):(Ki.videoTrack.samples=[],Ki.audioTrack.samples=[],Ki._remainingPacketData&&(e=$r(Ki._remainingPacketData,e),Ki._remainingPacketData=null));let r=e.length;const s=r%188;s&&(Ki._remainingPacketData=e.subarray(r-s),r-=s);for(let t=0;t<r;t+=188){if(71!==e[t])throw new Error("TS packet did not start with 0x47");const i=!!(64&e[t+1]),r=((31&e[t+1])<<8)+e[t+2];let s;if((48&e[t+3])>>4>1){if(s=t+5+e[t+4],s===t+188)continue}else s=t+4;switch(r){case 0:i&&(s+=e[s]+1),Ki._pmtId=(31&e[s+10])<<8|e[s+11];break;case Ki._pmtId:{i&&(s+=e[s]+1);const t=s+3+((15&e[s+1])<<8|e[s+2])-4;for(s+=12+((15&e[s+10])<<8|e[s+11]);s<t;){const t=(31&e[s+1])<<8|e[s+2];switch(e[s]){case 15:Ki._audioPid=t,Ki._audioCodecType=Ie;break;case 27:Ki._videoPid=t,Ki._codecType=xe;break;case 36:Ki._videoPid=t,Ki._codecType=Be;break;default:Zi.debug.warn(Ki.TAG_NAME,`Unsupported stream. type: ${e[s]}, pid: ${t}`)}s+=5+((15&e[s+3])<<8|e[s+4])}}break;case Ki._videoPid:i&&Ki._videoPesData.length&&Ki._parseVideoData(),Ki._videoPesData.push(e.subarray(s,t+188));break;case Ki._audioPid:i&&Ki._audioPesData.length&&Ki._parseAudioData(),Ki._audioPesData.push(e.subarray(s,t+188));break;case 17:case 8191:break;default:Zi.debug.warn(Ki.TAG_NAME,`Unknown pid: ${r}`)}}Ki._parseVideoData(),Ki._parseAudioData(),Ki.audioTrack.formatTimescale=Ki.videoTrack.formatTimescale=Ki.videoTrack.timescale=9e4,Ki.audioTrack.timescale=Ki.audioTrack.sampleRate||0},_parseVideoData(){if(!Ki._videoPesData.length)return void Zi.debug.log(Ki.TAG_NAME,"_parseVideoData","no video pes data");const e=Ki._parsePES($r(...Ki._videoPesData));if(!e)return void Zi.debug.warn(Ki.TAG_NAME,"Cannot parse video pes data length",Ki._videoPesData.length);const t=Si(e.data);t?Ki._createVideoSample(t,e.pts,e.dts):Zi.debug.warn(Ki.TAG_NAME,"Cannot parse avc units",e),Ki._videoPesData=[]},_parseAudioData(){if(!Ki._audioPesData.length)return;const e=Ki._parsePES($r(...Ki._audioPesData));if(e){if(Zi._opt.hasAudio){if(Ki._audioCodecType===Ie){const t=Ct(e.data,e.originalPts);if(t){if(Ki.audioTrack.codec=t.codec,Ki.audioTrack.sampleRate=t.sampleRate,Ki.audioTrack.channelCount=t.channelCount,!Ki._isSendAACSeqHeader){const e=wt({profile:t.objectType,sampleRate:t.samplingFrequencyIndex,channel:t.channelCount});Ki._isSendAACSeqHeader=!0,Zi.debug.log(Ki.TAG_NAME,"aac seq header",`profile: ${t.objectType}, sampleRate:${t.sampleRate},sampleRateIndex: ${t.samplingFrequencyIndex}, channel: ${t.channelCount}`),Zi.isPlayUseMSEAndDecoderInWorker()&&Zi._opt.mseDecodeAudio?Xi.decodeAudio(e,0):Zi.decodeAudio(e,0)}if(Ki._isSendAACSeqHeader){const e=[];t.frames.forEach((t=>{const i=t.pts,r=new Uint8Array(t.data.length+2);r.set([175,1],0),r.set(t.data,2);const s={type:ee,pts:i,dts:i,payload:r};e.push(s)})),Ki.audioTrack.samples=Ki.audioTrack.samples.concat(e)}else Zi.debug.warn(Ki.TAG_NAME,"aac seq header not send")}else Zi.debug.warn(Ki.TAG_NAME,"aac parseADTS error")}Ki._audioPesData=[]}}else Zi.debug.warn(Ki.TAG_NAME,"Cannot parse audio pes",Ki._audioPesData)},_fix(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];e=Math.round(9e4*e);const r=Ki.videoTrack,s=Ki.audioTrack,n=r.samples,a=s.samples;if(!n.length&&!a.length)return;const o=n[0],d=a[0];let l=0;if(n.length&&a.length&&(l=o.dts-d.pts),Ki._baseDtsInited||Ki._calculateBaseDts(),t&&(Ki._calculateBaseDts(),Ki._baseDts-=e),!i){Ki._videoNextDts=l>0?e+l:e,Ki._audioNextPts=l>0?e:e-l;const t=o?o.dts-Ki._baseDts-Ki._videoNextDts:0,i=d?d.pts-Ki._baseDts-Ki._audioNextPts:0;Math.abs(t||i)>MAX_VIDEO_FRAME_DURATION&&(Ki._calculateBaseDts(Ki.audioTrack,Ki.videoTrack),Ki._baseDts-=e)}Ki._resetBaseDtsWhenStreamBreaked(),Ki._fixAudio(s),Ki._fixVideo(r);let u=r.samples.concat(s.samples);u=u.map((e=>(e.dts=Math.round(e.dts/90),e.pts=Math.round(e.pts/90),e.cts=e.pts-e.dts,e))).sort(((e,t)=>e.dts-t.dts)),u.forEach((e=>{const t=new Uint8Array(e.payload);delete e.payload,e.type===te?Ki._doDecodeVideo({...e,payload:t}):e.type===ee&&Ki._doDecodeAudio({...e,payload:t})}))},_calculateBaseDts(){const e=Ki.audioTrack,t=Ki.videoTrack,i=e.samples,r=t.samples;if(!i.length&&!r.length)return!1;let s=1/0,n=1/0;i.length&&(e.baseDts=s=i[0].pts),r.length&&(t.baseDts=n=r[0].dts),Ki._baseDts=Math.min(s,n);const a=n-s;return Number.isFinite(a)&&Math.abs(a)>45e3&&Zi.debug.warn(Ki.TAG_NAME,`large av first frame gap,\n video pts: ${n},\n audio pts: ${s},\n base dts: ${Ki._baseDts},\n detect is: ${a}`),Ki._baseDtsInited=!0,!0},_resetBaseDtsWhenStreamBreaked(){if(Ki._baseDtsInited&&Ki._videoTimestampBreak&&Ki._audioTimestampBreak){if(!Ki._calculateBaseDts(Ki.audioTrack,Ki.videoTrack))return;Ki._baseDts-=Math.min(Ki._audioNextPts,Ki._videoNextDts),Ki._audioLastSample=null,Ki._videoLastSample=null,Ki._videoTimestampBreak=!1,Ki._audioTimestampBreak=!1}},_createVideoSample(e,t,i){if(!e.length)return;const r=Ki._codecType===Be,s={isIFrame:!1,type:te,isHevc:r,vps:null,sps:null,pps:null,pts:t,dts:i,payload:null};e.forEach((e=>{const t=r?e[0]>>>1&63:31&e[0];switch(t){case 5:case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:if(!r&&5!==t||r&&5===t)break;s.isIFrame=!0,Ki._gopId++;break;case 6:case 39:case 40:if(!r&&6!==t||r&&6===t)break;return void Ai(Ui(e),r);case 32:if(!r)break;s.vps||(s.vps=e);break;case 7:case 33:if(!r&&7!==t||r&&7===t)break;s.sps||(s.sps=e);break;case 8:case 34:if(!r&&8!==t||r&&8===t)break;s.pps||(s.pps=e)}if(r&&Li(t)||!r&&mi(t)){const t=Ei(e);if(s.payload){const e=new Uint8Array(s.payload.byteLength+t.byteLength);e.set(s.payload,0),e.set(t,s.payload.byteLength),s.payload=e}else s.payload=t}}));let n=null;r?s.sps&&s.vps&&s.pps&&(n=Ci({vps:s.vps,sps:s.sps,pps:s.pps})):s.sps&&s.pps&&(n=ui({sps:s.sps,pps:s.pps})),n&&(Zi.debug.log(Ki.TAG_NAME,"_createVideoSample","seqHeader"),Zi.isPlayUseMSEAndDecoderInWorker()?Xi.decodeVideo(n,Math.round(s.pts/90),!0,0):Zi.decodeVideo(n,te,Math.round(s.pts/90),!0,0)),s.isIFrame&&Zi.calcIframeIntervalTimestamp(Math.round(s.dts/90)),Ki.videoTrack.samples=Ki.videoTrack.samples.concat(s)},_fixAudio(e){const t=e.samples;t.length&&(t.forEach((e=>{e.pts-=Ki._baseDts,e.dts=e.pts})),Ki._doFixAudioInternal(e,t,9e4))},_fixVideo(e){const t=e.samples;if(!t.length)return;if(t.forEach((e=>{e.dts-=Ki._baseDts,e.pts-=Ki._baseDts})),void 0===Ki._videoNextDts){const e=t[0];Ki._videoNextDts=e.dts}const i=t.length;let r=0;const s=t[0],n=t[1],a=Ki._videoNextDts-s.dts;let o;Math.abs(a)>45e3&&(s.dts+=a,s.pts+=a,Zi.debug.warn(Ki.TAG_NAME,`large video gap between chunk,\n next dts is ${Ki._videoNextDts},\n first dts is ${s.dts},\n next dts is ${n.dts},\n duration is ${a}`),n&&Math.abs(n.dts-s.dts)>vt&&(Ki._videoTimestampBreak=!0,t.forEach(((e,t)=>{0!==t&&(e.dts+=a,e.pts+=a)}))));const d=e.samples[0],l=e.samples[i-1];o=1===i?9e3:Math.floor((l.dts-d.dts)/(i-1));for(let s=0;s<i;s++){const n=t[s].dts,a=t[s+1];if(r=s<i-1?a.dts-n:t[s-1]?Math.min(n-t[s-1].dts,o):o,r>vt||r<0){Ki._videoTimestampBreak=!0,r=Ki._audioTimestampBreak?o:Math.max(r,2700);const i=Ki._audioNextPts||0;a&&a.dts>i&&(r=o),Zi.debug.warn(Ki.TAG_NAME,`large video gap between frames,\n time is ${n/e.timescale},\n dts is ${n},\n origin dts is ${t[s].originalDts},\n next dts is ${Ki._videoNextDts},\n sample Duration is ${r} ,\n ref Sample DurationInt is ${o}`)}t[s].duration=r,Ki._videoNextDts+=r}},_doFixAudioInternal(e,t,i){e.sampleDuration||(e.sampleDuration=Tt(e.timescale,i));const r=e.sampleDuration;if(void 0===Ki._audioNextPts){const e=t[0];Ki._audioNextPts=e.pts}for(let i=0;i<t.length;i++){const s=Ki._audioNextPts,n=t[i],a=n.pts-s;if(!Ki._audioTimestampBreak&&a>=3*r&&a<=yt&&!Mt()){Bt(e.codec,e.channelCount)||t[0].data.subarray();const o=Math.floor(a/r);Math.abs(n.pts-Ki._lastAudioExceptionGapDot)>AUDIO_EXCETION_LOG_EMIT_DURATION&&(Ki._lastAudioExceptionGapDot=n.pts),Zi.debug.warn(Ki.TAG_NAME,`audio gap detected,\n pts is ${t.pts},\n originPts is ${t.originalPts},\n count is ${o},\n nextPts is ${s},\n ref sample duration is ${r}`);for(let e=0;e<o;e++)Ki._audioNextPts+=r,i++;i--}else a<=-3*r&&a>=-9e4?(Math.abs(n.pts-Ki._lastAudioExceptionOverlapDot)>bt&&(Ki._lastAudioExceptionOverlapDot=n.pts,Zi.debug.warn(Ki.TAG_NAME,`audio overlap detected,\n pts is ${n.pts},\n originPts is ${n.originalPts},\n nextPts is ${s},\n ref sample duration is ${r}`)),t.splice(i,1),i--):(Math.abs(a)>=yt&&(Ki._audioTimestampBreak=!0,Math.abs(n.pts-Ki._lastAudioExceptionLargeGapDot)>bt&&(Ki._lastAudioExceptionLargeGapDot=n.pts,Zi.debug.warn(Ki.TAG_NAME,`large audio gap detected,\n time is ${n.pts/1e3}\n pts is ${n.pts},\n originPts is ${n.originalPts},\n nextPts is ${s},\n sample duration is ${a}\n ref sample duration is ${r}`))),n.dts=n.pts=s,Ki._audioNextPts+=r)}},_doDecodeVideo(e){const t=new Uint8Array(e.payload);let i=null;i=e.isHevc?Ii(t,e.isIFrame):hi(t,e.isIFrame),postMessage({cmd:P,type:ye,value:i.byteLength}),postMessage({cmd:P,type:be,value:e.dts});const r=e.pts-e.dts;let s=Zi.cryptoPayload(i,e.isIFrame);Zi.decode(s,{type:te,ts:e.dts,isIFrame:e.isIFrame,cts:r})},_doDecodeAudio(){const e=new Uint8Array(sample.payload);postMessage({cmd:P,type:ge,value:e.byteLength});let t=e;Xt(Zi._opt.m7sCryptoAudio)&&(t=Zi.cryptoPayloadAudio(e)),Zi.decode(t,{type:ee,ts:sample.dts,isIFrame:!1,cts:0})},destroy(){Ki.videoTrack=null,Ki.audioTrack=null,Ki.tempSampleListInfo={},Ki._baseDts=-1,Ki._baseDtsInited=!1,Ki._basefps=50,Ki._hasCalcFps=!1,Ki._audioNextPts=void 0,Ki._videoNextDts=void 0,Ki._audioTimestampBreak=!1,Ki._videoTimestampBreak=!1,Ki._lastAudioExceptionGapDot=0,Ki._lastAudioExceptionOverlapDot=0,Ki._lastAudioExceptionLargeGapDot=0,Ki._isForHls=!0,Ki._isSendAACSeqHeader=!1,Zi.debug.log(Ki.TAG_NAME,"destroy")}},Xi=null;Jt()&&(Xi={TAG_NAME:"worker MediaSource",_resetInIt(){Xi.isAvc=null,Xi.isAAC=null,Xi.videoInfo={},Xi.videoMeta={},Xi.audioMeta={},Xi.sourceBuffer=null,Xi.audioSourceBuffer=null,Xi.hasInit=!1,Xi.hasAudioInit=!1,Xi.isAudioInitInfo=!1,Xi.audioMimeType="",Xi.cacheTrack={},Xi.cacheAudioTrack={},Xi.timeInit=!1,Xi.sequenceNumber=0,Xi.audioSequenceNumber=0,Xi.firstRenderTime=null,Xi.firstAudioTime=null,Xi.mediaSourceAppendBufferFull=!1,Xi.mediaSourceAppendBufferError=!1,Xi.mediaSourceAddSourceBufferError=!1,Xi.mediaSourceBufferError=!1,Xi.mediaSourceError=!1,Xi.prevTimestamp=null,Xi.decodeDiffTimestamp=null,Xi.prevDts=null,Xi.prevAudioDts=null,Xi.prevPayloadBufferSize=0,Xi.isWidthOrHeightChanged=!1,Xi.prevTs=null,Xi.prevAudioTs=null,Xi.eventListenList=[],Xi.pendingRemoveRanges=[],Xi.pendingSegments=[],Xi.pendingAudioRemoveRanges=[],Xi.pendingAudioSegments=[],Xi.supportVideoFrameCallbackHandle=null,Xi.audioSourceBufferCheckTimeout=null,Xi.$video={currentTime:0,readyState:0}},init(){Xi.events=new Wr,Xi._resetInIt(),Xi.mediaSource=new self.MediaSource,Xi.isDecodeFirstIIframe=!!Zt(Zi._opt.checkFirstIFrame),Xi._bindMediaSourceEvents()},destroy(){Xi.stop(),Xi._clearAudioSourceBufferCheckTimeout(),Xi.eventListenList&&Xi.eventListenList.length&&(Xi.eventListenList.forEach((e=>e())),Xi.eventListenList=[]),Xi._resetInIt()},getState:()=>Xi.mediaSource&&Xi.mediaSource.readyState,isStateOpen:()=>Xi.getState()===Je,isStateClosed:()=>Xi.getState()===Qe,isStateEnded:()=>Xi.getState()===Ze,_bindMediaSourceEvents(){const{proxy:e}=Xi.events,t=e(Xi.mediaSource,tt,(()=>{Zi.debug.log(Xi.TAG_NAME,"sourceOpen"),Xi._onMediaSourceSourceOpen()})),i=e(Xi.mediaSource,et,(()=>{Zi.debug.log(Xi.TAG_NAME,"sourceClose")})),r=e(Xi.mediaSource,it,(()=>{Zi.debug.log(Xi.TAG_NAME,"sourceended")}));Xi.eventListenList.push(t,i,r)},_onMediaSourceSourceOpen(){Xi.sourceBuffer||(Zi.debug.log(Xi.TAG_NAME,"onMediaSourceSourceOpen() sourceBuffer is null and next init"),Xi._initSourceBuffer()),Xi.audioSourceBuffer||(Zi.debug.log(Xi.TAG_NAME,"onMediaSourceSourceOpen() audioSourceBuffer is null and next init"),Xi._initAudioSourceBuffer()),Xi._hasPendingSegments()&&Xi._doAppendSegments()},decodeVideo(e,t,i,r){if(Zi.isDestroyed)Zi.debug.warn(Xi.TAG_NAME,"decodeVideo() and decoder is destroyed");else if(Zt(Xi.hasInit))if(i&&e[1]===nt){const r=15&e[0];if(r===Be&&Zt(Nt()))return void Xi.emitError(Ae.mediaSourceH265NotSupport);Xi.videoInfo.codec=r,postMessage({cmd:k,code:r});const s=new Uint8Array(e);postMessage({cmd:I,buffer:s,codecId:r},[s.buffer]),Xi.hasInit=Xi._decodeConfigurationRecord(e,t,i,r)}else Zi.debug.warn(Xi.TAG_NAME,`decodeVideo has not init , isIframe is ${i} , payload is ${e[1]}`);else if(!Xi.isDecodeFirstIIframe&&i&&(Xi.isDecodeFirstIIframe=!0),Xi.isDecodeFirstIIframe){if(i&&0===e[1]){const t=15&e[0];let i={};if(t===xe){i=di(e.slice(5))}else t===Be&&(i=Bi(e));const r=Xi.videoInfo;r&&r.codecWidth&&r.codecWidth&&i&&i.codecWidth&&i.codecHeight&&(i.codecWidth!==r.codecWidth||i.codecHeight!==r.codecWidth)&&(this.player.debug.warn(this.TAG_NAME,`\n decodeVideo: video width or height is changed,\n old width is ${r.codecWidth}, old height is ${r.codecWidth},\n new width is ${i.codecWidth}, new height is ${i.codecHeight},\n and emit change event`),Xi.isWidthOrHeightChanged=!0,Xi.emitError(Ae.mseWidthOrHeightChange))}if(Xi.isWidthOrHeightChanged)return void Zi.debug.warn(Xi.TAG_NAME,"decodeVideo: video width or height is changed, and return");if(Kt(e))return void Zi.debug.warn(Xi.TAG_NAME,"decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<v)return void Zi.debug.warn(Xi.TAG_NAME,`decodeVideo and payload is too small , payload length is ${e.byteLength}`);let s=t;if(Zi.isPlayer){if(null===Xi.firstRenderTime&&(Xi.firstRenderTime=t,postMessage({cmd:J,value:Xi.firstRenderTime})),s=t-Xi.firstRenderTime,s<0&&(Zi.debug.warn(Xi.TAG_NAME,`decodeVideo\n local dts is < 0 , ts is ${t} and prevTs is ${Xi.prevTs},\n firstRenderTime is ${Xi.firstRenderTime} and mseCorrectTimeDuration is ${Zi._opt.mseCorrectTimeDuration}`),s=null===Xi.prevDts?0:Xi.prevDts+Zi._opt.mseCorrectTimeDuration,Xi._checkTsIsMaxDiff(t)))return Zi.debug.warn(Xi.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${Xi.prevTs}, diff is ${Xi.prevTs-t}`),void Xi.emitError(Ae.mediaSourceTsIsMaxDiff);if(null!==Xi.prevDts&&s<=Xi.prevDts){if(Zi.debug.warn(Xi.TAG_NAME,`\n decodeVideo dts is less than(or equal) prev dts ,\n dts is ${s} and prev dts is ${Xi.prevDts} ，\n and now ts is ${t} and prev ts is ${Xi.prevTs} ，\n and diff is ${t-Xi.prevTs} and firstRenderTime is ${Xi.firstRenderTime} and isIframe is ${i}，\n and mseCorrectTimeDuration is ${Zi._opt.mseCorrectTimeDuration},\n and prevPayloadBufferSize is ${Xi.prevPayloadBufferSize} and payload size is ${e.byteLength}`),s===Xi.prevDts&&Xi.prevPayloadBufferSize===e.byteLength)return void Zi.debug.warn(Xi.TAG_NAME,"decodeVideo dts is equal to prev dts and payload size is equal to prev payload size so drop this frame");if(s=Xi.prevDts+Zi._opt.mseCorrectTimeDuration,Xi._checkTsIsMaxDiff(t))return Zi.debug.warn(Xi.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${Xi.prevTs}, diff is ${Xi.prevTs-t} and emit replay`),void Xi.emitError(Ae.mediaSourceTsIsMaxDiff)}}Zi.isPlayer?Xi._decodeVideo(e,s,i,r,t):Zi.isPlayback,Xi.prevDts=s,Xi.prevPayloadBufferSize=e.byteLength,Xi.prevTs=t}else Zi.debug.log(Xi.TAG_NAME,"decodeVideo first frame is not iFrame")},decodeAudio(e,t){if(Zi.isDestroyed)Zi.debug.warn(Xi.TAG_NAME,"decodeAudio() and decoder is destroyed");else if(Zt(Xi.hasAudioInit))Xi.hasAudioInit=Xi._decodeAudioConfigurationRecord(e,t);else{let i=t;if(Zi.isPlayer){if(null===Xi.firstAudioTime&&(Xi.firstAudioTime=t,null!==Xi.firstRenderTime&&null!==Xi.prevTs)){const e=Math.abs(Xi.firstRenderTime-Xi.prevTs);e>300&&(Xi.firstAudioTime-=e,Zi.debug.warn(Xi.TAG_NAME,`video\n firstAudioTime is ${Xi.firstRenderTime} and current time is ${Xi.prevTs}\n play time is ${e} and firstAudioTime ${t} - ${e} = ${Xi.firstAudioTime}`))}if(i=t-Xi.firstAudioTime,i<0)return void Zi.debug.warn(Xi.TAG_NAME,`decodeAudio\n local dts is < 0 , ts is ${t} and prevTs is ${Xi.prevAudioTs},\n firstAudioTime is ${Xi.firstAudioTime}`);if(null!==Xi.prevAudioTs&&i<=Xi.prevAudioDts)return void Zi.debug.warn(Xi.TAG_NAME,`\n decodeAudio dts is less than(or equal) prev dts ,\n dts is ${i} and prev dts is ${Xi.prevAudioDts} ，\n and now ts is ${t} and prev ts is ${Xi.prevAudioTs} ，\n and diff is ${t-Xi.prevAudioTs}`)}Zi.isPlayer?Xi._decodeAudio(e,i,t):Zi.isPlayback,Xi.prevAudioTs=t,Xi.prevAudioDts=i}},_checkTsIsMaxDiff:e=>Xi.prevTs>0&&e<Xi.prevTs&&Xi.prevTs-e>y,_decodeConfigurationRecord(e,t,i,r){let s=e.slice(5),n={};if(r===xe?n=di(s):r===Be&&(n=Bi(e)),Xi.videoInfo.width=n.codecWidth,Xi.videoInfo.height=n.codecHeight,0===n.codecWidth&&0===n.codecHeight)return Zi.debug.warn(Xi.TAG_NAME,"_decodeConfigurationRecord",n),Xi.emitError(Ae.mediaSourceDecoderConfigurationError),!1;const a={id:ct,type:"video",timescale:1e3,duration:0,avcc:s,codecWidth:n.codecWidth,codecHeight:n.codecHeight,videoType:n.videoType},o=Yr.generateInitSegment(a);return Xi.isAvc=r===xe,Zi.debug.log(Xi.TAG_NAME,`_decodeConfigurationRecord mimeType is ${Xi.isAvc?Ke:Xe} and isAvc is ${Xi.isAvc}`),Xi._initSourceBuffer(),Xi.appendBuffer(o.buffer),Xi.sequenceNumber=0,Xi.cacheTrack={},Xi.timeInit=!1,!0},_decodeAudioConfigurationRecord(e,t){const i=e[0]>>4,r=i===Le,s=i===Ie;if(Zt(s||r))return Zi.debug.warn(Xi.TAG_NAME,`_decodeAudioConfigurationRecord audio codec is not support , codecId is ${i} ant auto wasm decode`),Xi.emitError(Ae.mediaSourceAudioG711NotSupport),!1;const n={id:ht,type:"audio",timescale:1e3};let a={};if(s&&Ut(e)){if(a=It(e.slice(2)),!a)return!1;n.audioSampleRate=a.sampleRate,n.channelCount=a.channelCount,n.config=a.config,n.refSampleDuration=1024/n.audioSampleRate*n.timescale}else{if(!r)return!1;if(a=ts(e),!a)return!1;n.audioSampleRate=a.samplingRate,n.channelCount=a.channelCount,n.refSampleDuration=1152/n.audioSampleRate*n.timescale}n.codec=a.codec,n.duration=0;let o="mp4",d=a.codec,l=null;r&&Zt(Rt())?(o="mpeg",d="",l=new Uint8Array):l=Yr.generateInitSegment(n);let u=`${n.type}/${o}`;return d&&d.length>0&&(u+=`;codecs=${d}`),Zt(Xi.isAudioInitInfo)&&(Xi.isAudioInitInfo=!0),Xi.audioMimeType=u,Xi.isAAC=s,Zi.debug.log(Xi.TAG_NAME,`_decodeAudioConfigurationRecord mimeType is ${u} and isAAC is ${s}`),Xi._initAudioSourceBuffer(),Xi.appendAudioBuffer(l.buffer),!0},_initSourceBuffer(){const{proxy:e}=Xi.events;if(null===Xi.sourceBuffer&&null!==Xi.mediaSource&&Xi.isStateOpen()&&null!==Xi.isAvc){let t=Xi.isAvc?Ke:Xe;try{Xi.sourceBuffer=Xi.mediaSource.addSourceBuffer(t),Zi.debug.log(Xi.TAG_NAME,"_initSourceBuffer() this.mediaSource.addSourceBuffer()",t)}catch(e){return Zi.debug.error(Xi.TAG_NAME,"appendBuffer() this.mediaSource.addSourceBuffer()",e.code,e),Xi.emitError(Ae.mseAddSourceBufferError,e.code),void(Xi.mediaSourceAddSourceBufferError=!0)}if(Xi.sourceBuffer){const t=e(Xi.sourceBuffer,"error",(e=>{Xi.mediaSourceBufferError=!0,Zi.debug.error(Xi.TAG_NAME,"mseSourceBufferError this.sourceBuffer",e),Xi.emitError(Ae.mseSourceBufferError,e.code)})),i=e(Xi.sourceBuffer,"updateend",(()=>{Xi._hasPendingRemoveRanges()?Xi._doRemoveRanges():Xi._hasPendingSegments()&&Xi._doAppendSegments()}));Xi.eventListenList.push(t,i)}}else Zi.debug.log(Xi.TAG_NAME,`_initSourceBuffer and this.isStateOpen is ${Xi.isStateOpen()} and this.isAvc === null is ${null===Xi.isAvc}`)},_initAudioSourceBuffer(){const{proxy:e}=Xi.events;if(null===Xi.audioSourceBuffer&&null!==Xi.mediaSource&&Xi.isStateOpen()&&Xi.audioMimeType){try{Xi.audioSourceBuffer=Xi.mediaSource.addSourceBuffer(Xi.audioMimeType),Xi._clearAudioSourceBufferCheckTimeout(),Zi.debug.log(Xi.TAG_NAME,"_initAudioSourceBuffer() this.mediaSource.addSourceBuffer()",Xi.audioMimeType)}catch(e){return Zi.debug.error(Xi.TAG_NAME,"appendAudioBuffer() this.mediaSource.addSourceBuffer()",e.code,e),Xi.emitError(Ae.mseAddSourceBufferError,e.code),void(Xi.mediaSourceAddSourceBufferError=!0)}if(Xi.audioSourceBuffer){const t=e(Xi.audioSourceBuffer,"error",(e=>{Xi.mediaSourceBufferError=!0,Zi.debug.error(Xi.TAG_NAME,"mseSourceBufferError this.audioSourceBuffer",e),Xi.emitError(Ae.mseSourceBufferError,e.code)})),i=e(Xi.audioSourceBuffer,"updateend",(()=>{Xi._hasPendingRemoveRanges()?Xi._doRemoveRanges():Xi._hasPendingSegments()&&Xi._doAppendSegments()}));Xi.eventListenList.push(t,i)}}else Zi.debug.log(Xi.TAG_NAME,`_initAudioSourceBuffer and this.isStateOpen is ${Xi.isStateOpen()} and this.audioMimeType is ${Xi.audioMimeType}`)},_decodeVideo(e,t,i,r,s){let n=e.slice(5),a=n.byteLength;if(0===a)return void Zi.debug.warn(Xi.TAG_NAME,"_decodeVideo payload bytes is 0 and return");let o=(new Date).getTime(),d=!1;Xi.prevTimestamp||(Xi.prevTimestamp=o,d=!0);const l=o-Xi.prevTimestamp;if(Xi.decodeDiffTimestamp=l,l>500&&!d&&Zi.isPlayer&&Zi.debug.warn(Xi.TAG_NAME,`_decodeVideo now time is ${o} and prev time is ${Xi.prevTimestamp}, diff time is ${l} ms`),Xi.cacheTrack.id&&t>=Xi.cacheTrack.dts){let e=8+Xi.cacheTrack.size,i=new Uint8Array(e);i[0]=e>>>24&255,i[1]=e>>>16&255,i[2]=e>>>8&255,i[3]=255&e,i.set(Yr.types.mdat,4),i.set(Xi.cacheTrack.data,8),Xi.cacheTrack.duration=t-Xi.cacheTrack.dts;let r=Yr.moof(Xi.cacheTrack,Xi.cacheTrack.dts);Xi.cacheTrack={};let s=new Uint8Array(r.byteLength+i.byteLength);s.set(r,0),s.set(i,r.byteLength),Xi.appendBuffer(s.buffer)}else Zi.debug.log(Xi.TAG_NAME,`timeInit set false , cacheTrack = {} now dts is ${t}, and ts is ${s} cacheTrack dts is ${Xi.cacheTrack&&Xi.cacheTrack.dts}`),Xi.timeInit=!1,Xi.cacheTrack={};Xi.cacheTrack||(Xi.cacheTrack={}),Xi.cacheTrack.id=ct,Xi.cacheTrack.sequenceNumber=++Xi.sequenceNumber,Xi.cacheTrack.size=a,Xi.cacheTrack.dts=t,Xi.cacheTrack.cts=r,Xi.cacheTrack.isKeyframe=i,Xi.cacheTrack.data=n,Xi.cacheTrack.flags={isLeading:0,dependsOn:i?2:1,isDependedOn:i?1:0,hasRedundancy:0,isNonSync:i?0:1},Xi.prevTimestamp=(new Date).getTime()},_decodeAudio(e,t,i){let r=Xi.isAAC?e.slice(2):e.slice(1),s=r.byteLength;if(Xi.cacheAudioTrack.id&&t>=Xi.cacheAudioTrack.dts){let e=8+Xi.cacheAudioTrack.size,i=new Uint8Array(e);i[0]=e>>>24&255,i[1]=e>>>16&255,i[2]=e>>>8&255,i[3]=255&e,i.set(Yr.types.mdat,4),i.set(Xi.cacheAudioTrack.data,8),Xi.cacheAudioTrack.duration=t-Xi.cacheAudioTrack.dts;let r=Yr.moof(Xi.cacheAudioTrack,Xi.cacheAudioTrack.dts);Xi.cacheAudioTrack={};let s=new Uint8Array(r.byteLength+i.byteLength);s.set(r,0),s.set(i,r.byteLength),Xi.appendAudioBuffer(s.buffer)}else Xi.cacheAudioTrack={};Xi.cacheAudioTrack||(Xi.cacheAudioTrack={}),Xi.cacheAudioTrack.id=ht,Xi.cacheAudioTrack.sequenceNumber=++Xi.audioSequenceNumber,Xi.cacheAudioTrack.size=s,Xi.cacheAudioTrack.dts=t,Xi.cacheAudioTrack.cts=0,Xi.cacheAudioTrack.data=r,Xi.cacheAudioTrack.flags={isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}},appendBuffer(e){Zi.isDestroyed?Zi.debug.warn(Xi.TAG_NAME,"appendBuffer() player is destroyed"):Xi.mediaSourceAddSourceBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAddSourceBufferError is true"):Xi.mediaSourceAppendBufferFull?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAppendBufferFull is true"):Xi.mediaSourceAppendBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAppendBufferError is true"):Xi.mediaSourceBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceBufferError is true"):(Xi.pendingSegments.push(e),Xi.sourceBuffer&&(Zi._opt.mseAutoCleanupSourceBuffer&&Xi._needCleanupSourceBuffer()&&Xi._doCleanUpSourceBuffer(),Zt(Xi.getSourceBufferUpdating())&&Xi.isStateOpen()&&Zt(Xi._hasPendingRemoveRanges()))?Xi._doAppendSegments():Xi.isStateClosed()?(Xi.mediaSourceBufferError=!0,Xi.emitError(Ae.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):Xi.isStateEnded()?(Xi.mediaSourceBufferError=!0,Xi.emitError(Ae.mseSourceBufferError,"mediaSource is end")):Xi._hasPendingRemoveRanges()&&Zi.debug.log(Xi.TAG_NAME,`video has pending remove ranges and video length is ${Xi.pendingRemoveRanges.length}, audio length is ${Xi.pendingAudioRemoveRanges.length}`))},appendAudioBuffer(e){Zi.isDestroyed?Zi.debug.warn(Xi.TAG_NAME,"appendAudioBuffer() player is destroyed"):Xi.mediaSourceAddSourceBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAddSourceBufferError is true"):Xi.mediaSourceAppendBufferFull?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAppendBufferFull is true"):Xi.mediaSourceAppendBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceAppendBufferError is true"):Xi.mediaSourceBufferError?Zi.debug.warn(Xi.TAG_NAME,"this.mediaSourceBufferError is true"):(Xi.pendingAudioSegments.push(e),Xi.audioSourceBuffer&&(Zi._opt.mseAutoCleanupSourceBuffer&&Xi._needCleanupSourceBuffer()&&Xi._doCleanUpSourceBuffer(),Zt(Xi.getAudioSourceBufferUpdating())&&Xi.isStateOpen()&&Zt(Xi._hasPendingRemoveRanges()))?Xi._doAppendSegments():Xi.isStateClosed()?(Xi.mediaSourceBufferError=!0,Xi.emitError(Ae.mseSourceBufferError,"mediaSource 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i=e.start(t),r=e.end(t);Xi.pendingAudioRemoveRanges.push({start:i,end:r})}Zt(Xi.getAudioSourceBufferUpdating())&&Xi._doRemoveRanges()}},endOfStream(){if(Xi.isStateOpen())try{Zi.debug.log(Xi.TAG_NAME,"endOfStream()"),Xi.mediaSource.endOfStream()}catch(e){Zi.debug.warn(Xi.TAG_NAME,"endOfStream() error",e)}},abortSourceBuffer(){if(Xi.isStateOpen){if(Xi.sourceBuffer)try{Zi.debug.log(Xi.TAG_NAME,"abortSourceBuffer() abort sourceBuffer"),Xi.sourceBuffer.abort()}catch(e){}if(Xi.audioSourceBuffer)try{Zi.debug.log(Xi.TAG_NAME,"abortSourceBuffer() abort audioSourceBuffer"),Xi.audioSourceBuffer.abort()}catch(e){}}Xi.sourceBuffer=null,Xi.audioSourceBuffer=null},removeSourceBuffer(){if(!Xi.isStateClosed()&&Xi.mediaSource){if(Xi.sourceBuffer)try{Zi.debug.log(Xi.TAG_NAME,"removeSourceBuffer() sourceBuffer"),Xi.mediaSource.removeSourceBuffer(Xi.sourceBuffer)}catch(e){Zi.debug.warn(Xi.TAG_NAME,"removeSourceBuffer() sourceBuffer 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e=Xi.pendingSegments.shift();try{Xi.sourceBuffer.appendBuffer(e)}catch(e){Zi.debug.error(Xi.TAG_NAME,"this.sourceBuffer.appendBuffer()",e.code,e),22===e.code?(Xi.stop(),Xi.mediaSourceAppendBufferFull=!0,Xi.emitError(Ae.mediaSourceFull)):11===e.code?(Xi.stop(),Xi.mediaSourceAppendBufferError=!0,Xi.emitError(Ae.mediaSourceAppendBufferError)):(Xi.stop(),Xi.mediaSourceBufferError=!0,Xi.emitError(Ae.mseSourceBufferError,e.code))}}if(Zt(Xi.getAudioSourceBufferUpdating())&&Xi.pendingAudioSegments.length>0){const e=Xi.pendingAudioSegments.shift();try{Xi.audioSourceBuffer.appendBuffer(e)}catch(e){Zi.debug.error(Xi.TAG_NAME,"this.audioSourceBuffer.appendBuffer()",e.code,e),22===e.code?(Xi.stop(),Xi.mediaSourceAppendBufferFull=!0,Xi.emitError(Ae.mediaSourceFull)):11===e.code?(Xi.stop(),Xi.mediaSourceAppendBufferError=!0,Xi.emitError(Ae.mediaSourceAppendBufferError)):(Xi.stop(),Xi.mediaSourceBufferError=!0,Xi.emitError(Ae.mseSourceBufferError,e.code))}}}},_doCleanUpSourceBuffer(){const e=Xi.$video.currentTime;if(Xi.sourceBuffer){const t=Xi.sourceBuffer.buffered;let i=!1;for(let r=0;r<t.length;r++){let s=t.start(r),n=t.end(r);if(s<=e&&e<n+3){if(e-s>=Zi._opt.mseAutoCleanupMaxBackwardDuration){i=!0;let t=e-Zi._opt.mseAutoCleanupMinBackwardDuration;Xi.pendingRemoveRanges.push({start:s,end:t})}}else n<e&&(i=!0,Xi.pendingRemoveRanges.push({start:s,end:n}))}i&&Zt(Xi.getSourceBufferUpdating())&&Xi._doRemoveRanges()}if(Xi.audioSourceBuffer){const t=Xi.audioSourceBuffer.buffered;let i=!1;for(let r=0;r<t.length;r++){let s=t.start(r),n=t.end(r);if(s<=e&&e<n+3){if(e-s>=Zi._opt.mseAutoCleanupMaxBackwardDuration){i=!0;let t=e-Zi._opt.mseAutoCleanupMinBackwardDuration;Xi.pendingAudioRemoveRanges.push({start:s,end:t})}}else n<e&&(i=!0,Xi.pendingAudioRemoveRanges.push({start:s,end:n}))}i&&Zt(Xi.getAudioSourceBufferUpdating())&&Xi._doRemoveRanges()}},_hasPendingRemoveRanges:()=>Xi.pendingRemoveRanges.length>0||Xi.pendingAudioRemoveRanges.length>0,needInitAudio:()=>Zi._opt.hasAudio&&Zi._opt.mseDecodeAudio,_doRemoveRanges(){if(Xi.sourceBuffer&&Zt(Xi.getSourceBufferUpdating())){let e=Xi.pendingRemoveRanges;for(;e.length&&Zt(Xi.getSourceBufferUpdating());){let t=e.shift();try{Xi.sourceBuffer.remove(t.start,t.end)}catch(e){Zi.debug.warn(Xi.TAG_NAME,"_doRemoveRanges() sourceBuffer error",e)}}}if(Xi.audioSourceBuffer&&Zt(Xi.getAudioSourceBufferUpdating())){let e=Xi.pendingAudioRemoveRanges;for(;e.length&&Zt(Xi.getAudioSourceBufferUpdating());){let t=e.shift();try{Xi.audioSourceBuffer.remove(t.start,t.end)}catch(e){Zi.debug.warn(Xi.TAG_NAME,"_doRemoveRanges() audioSourceBuffer error",e)}}}},_getPlaybackRate(){},_needCleanupSourceBuffer(){if(Zt(Zi._opt.mseAutoCleanupSourceBuffer))return!1;const e=Xi.$video.currentTime;if(Xi.sourceBuffer){let t=Xi.sourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=Zi._opt.mseAutoCleanupMaxBackwardDuration)return!0}if(Xi.audioSourceBuffer){let t=Xi.audioSourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=Zi._opt.mseAutoCleanupMaxBackwardDuration)return!0}return!1},_clearAudioSourceBufferCheckTimeout(){Xi.audioSourceBufferCheckTimeout&&(clearTimeout(Xi.audioSourceBufferCheckTimeout),Xi.audioSourceBufferCheckTimeout=null)},getHandle:()=>Xi.mediaSource.handle,emitError(e){postMessage({cmd:Q,value:e,msg:arguments.length>1&&void 0!==arguments[1]?arguments[1]:""})}});let Zi={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,fetchStatus:dt,_opt:$i(),mp3Demuxer:null,delay:-1,pushLatestDelay:-1,firstTimestamp:null,startTimestamp:null,preDelayTimestamp:null,stopId:null,streamFps:null,streamAudioFps:null,streamVideoFps:null,writableStream:null,networkDelay:0,webglObj:null,startStreamRateAndStatsInterval:function(){Zi.stopStreamRateAndStatsInterval(),g=setInterval((()=>{_&&_(0);const e=JSON.stringify({demuxBufferDelay:Zi.getVideoBufferLength(),audioDemuxBufferDelay:Zi.getAudioBufferLength(),flvBufferByteLength:Zi.getFlvBufferLength(),netBuf:Zi.networkDelay||0,pushLatestDelay:Zi.pushLatestDelay||0,latestDelay:Zi.delay,isStreamTsMoreThanLocal:kt});postMessage({cmd:P,type:Se,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){g&&(clearInterval(g),g=null)},useOffscreen:function(){return Zi._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||Zi._opt.hasVideo&&!Et)return-1;if(t===ee)return Zi.delay;if(Zi.preDelayTimestamp&&Zi.preDelayTimestamp>e)return Zi.preDelayTimestamp-e>1e3&&Zi.debug.warn("worker",`getDelay() and preDelayTimestamp is ${Zi.preDelayTimestamp} > timestamp is ${e} more than ${Zi.preDelayTimestamp-e}ms and return ${Zi.delay}`),Zi.preDelayTimestamp=e,Zi.delay;if(Zi.firstTimestamp){if(e){const t=Date.now()-Zi.startTimestamp,i=e-Zi.firstTimestamp;t>=i?(kt=!1,Zi.delay=t-i):(kt=!0,Zi.delay=i-t)}}else Zi.firstTimestamp=e,Zi.startTimestamp=Date.now(),Zi.delay=-1;return Zi.preDelayTimestamp=e,Zi.delay},getDelayNotUpdateDelay:function(e,t){if(!e||Zi._opt.hasVideo&&!Et)return-1;if(t===ee)return Zi.pushLatestDelay;if(Zi.preDelayTimestamp&&Zi.preDelayTimestamp-e>1e3)return Zi.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${Zi.preDelayTimestamp} > timestamp is ${e} more than ${Zi.preDelayTimestamp-e}ms and return -1`),-1;if(Zi.firstTimestamp){let t=-1;if(e){const i=Date.now()-Zi.startTimestamp,r=e-Zi.firstTimestamp;i>=r?(kt=!1,t=i-r):(kt=!0,t=r-i)}return t}return-1},resetDelay:function(){Zi.firstTimestamp=null,Zi.startTimestamp=null,Zi.delay=-1,Zi.dropping=!1},resetAllDelay:function(){Zi.resetDelay(),Zi.preDelayTimestamp=null},doDecode:function(e){Zi._opt.isEmitSEI&&e.type===te&&Zi.isWorkerFetch&&Zi.findSei(e.payload,e.ts),Zi.isPlayUseMSEAndDecoderInWorker()?e.type===ee?Zi._opt.mseDecodeAudio?Xi.decodeAudio(e.payload,e.ts):e.decoder.decode(e.payload,e.ts):e.type===te&&Xi.decodeVideo(e.payload,e.ts,e.isIFrame,e.cts):Zi._opt.useWCS&&Zi.useOffscreen()&&e.type===te&&n.decode?n.decode(e.payload,e.ts,e.cts):e.decoder.decode(e.payload,e.ts,e.isIFrame,e.cts)},decodeNext(e){if(0===r.length)return;const t=e.ts,s=r[0],n=e.type===te&&Kt(e.payload);if(Zt(i))n&&(Zi.debug.log("worker",`decode data type is ${e.type} and\n ts is ${t} next data type is ${s.type} ts is ${s.ts}\n isVideoSqeHeader is ${n}`),r.shift(),Zi.doDecode(s));else{const i=s.ts-t,a=s.type===ee&&e.type===te;(i<=20||a||n)&&(Zi.debug.log("worker",`decode data type is ${e.type} and\n ts is ${t} next data type is ${s.type} ts is ${s.ts}\n diff is ${i} and isVideoAndNextAudio is ${a} and isVideoSqeHeader is ${n}`),r.shift(),Zi.doDecode(s))}},init:function(){Zi.debug.log("worker","init and opt is",JSON.stringify(Zi._opt));const e=Zi._opt.playType===f,t=Zi._opt.playType===p;if(Yi.init(),Zi.isPlayer=e,Zi.isPlayback=t,Zi.isPlayUseMSEAndDecoderInWorker()&&Xi&&Xi.init(),Zi.isPlaybackCacheBeforeDecodeForFpsRender())Zi.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{Zi.debug.log("worker","setInterval()");const t=Zi._opt.videoBuffer+Zi._opt.videoBufferDelay,i=()=>{let i=null;if(r.length){if(Zi.isPushDropping)return void Zi.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${r.length}`);if(Zi.dropping){for(i=r.shift(),Zi.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${i.isIFrame} and delay is ${Zi.delay} and bufferlist is ${r.length}`);!i.isIFrame&&r.length;)i=r.shift();const e=Zi.getDelayNotUpdateDelay(i.ts,i.type);i.isIFrame&&e<=Zi.getNotDroppingDelayTs()&&(Zi.debug.log("worker","loop() is dropping = false, is iFrame"),Zi.dropping=!1,Zi.doDecode(i),Zi.decodeNext(i))}else if(Zi.isPlayback||Zi.isPlayUseMSE()||0===Zi._opt.videoBuffer)for(;r.length;)i=r.shift(),Zi.doDecode(i);else if(i=r[0],-1===Zi.getDelay(i.ts,i.type))Zi.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",i.ts),r.shift(),Zi.doDecode(i),Zi.decodeNext(i);else if(Zi.delay>t&&e)Zi.hasIframeInBufferList()?(Zi.debug.log("worker",`delay is ${Zi.delay} > maxDelay ${t}, set dropping is true`),Zi.resetAllDelay(),Zi.dropping=!0,postMessage({cmd:M})):(r.shift(),Zi.doDecode(i),Zi.decodeNext(i));else for(;r.length;){if(i=r[0],!(Zi.getDelay(i.ts,i.type)>Zi._opt.videoBuffer)){Zi.delay<0&&Zi.debug.warn("worker",`loop() do not decode and delay is ${Zi.delay}, bufferList is ${r.length}`);break}r.shift(),Zi.doDecode(i)}}else-1!==Zi.delay&&Zi.debug.log("worker","loop() bufferList is empty and reset delay"),Zi.resetAllDelay()};Zi.stopId=setInterval((()=>{let e=(new Date).getTime();Lt||(Lt=e);const t=e-Lt;t>100&&Zi.debug.warn("worker",`loop demux diff time is ${t}`),i(),Lt=(new Date).getTime()}),20)}if(Zt(Zi._opt.checkFirstIFrame)&&(Et=!0),Zi.isPlayUseMSEAndDecoderInWorker()&&Xi){const e=Xi.getHandle();e&&postMessage({cmd:Z,mseHandle:e},[e])}},playbackCacheLoop:function(){Zi.stopId&&(clearInterval(Zi.stopId),Zi.stopId=null);const e=()=>{let e=null;r.length&&(e=r.shift(),Zi.doDecode(e))};e();const t=Math.ceil(1e3/(Zi.streamFps*Zi._opt.playbackRate));Zi.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${Zi.streamFps}, streamAudioFps is ${Zi.streamAudioFps} ,streamVideoFps is ${Zi.streamVideoFps} playbackRate is ${Zi._opt.playbackRate}`),Zi.stopId=setInterval(e,t)},close:function(){if(Zi.debug.log("worker","close"),Zi.isDestroyed=!0,Wi(),!o||1!==o.readyState&&2!==o.readyState?o&&Zi.debug.log("worker",`close() and socket.readyState is ${o.readyState}`):(Vi=!0,o.close(1e3,"Client disconnecting")),o=null,Zi.stopStreamRateAndStatsInterval(),Zi.stopId&&(clearInterval(Zi.stopId),Zi.stopId=null),Zi.mp3Demuxer&&(Zi.mp3Demuxer.destroy(),Zi.mp3Demuxer=null),Zi.writableStream&&Zt(Zi.writableStream.locked)&&Zi.writableStream.close().catch((e=>{Zi.debug.log("worker","close() and writableStream.close() error",e)})),Zi.writableStream=null,Ji)try{Ji.clear&&Ji.clear(),Ji=null}catch(e){Zi.debug.warn("worker","close() and audioDecoder.clear error",e)}if(Qi)try{Qi.clear&&Qi.clear(),Qi=null}catch(e){Zi.debug.warn("worker","close() and videoDecoder.clear 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audio ts is ${t.ts}, isAacCodecPacket is true`),Zi._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:j,buffer:t},[t.buffer])}Zi.isPlayUseMSEAndDecoderInWorker()&&Zi._opt.mseDecodeAudio?Xi.decodeAudio(e,t.ts):Zi.decodeAudio(e,t.ts)}else if(t.type===te&&t.isIFrame&&Kt(e)){if(Zi.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),Zi._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:q,buffer:t},[t.buffer])}Zi.isPlayUseMSEAndDecoderInWorker()?Xi.decodeVideo(e,t.ts,t.isIFrame,t.cts):Zi.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(Zi._opt.isRecording)if(Zi._opt.isRecordTypeFlv){const i=new Uint8Array(e);postMessage({cmd:K,type:t.type,buffer:i,ts:t.ts},[i.buffer])}else if(Zi._opt.recordType===m)if(t.type===te){const i=new Uint8Array(e).slice(5);postMessage({cmd:D,buffer:i,isIFrame:t.isIFrame,ts:t.ts,cts:t.cts},[i.buffer])}else if(t.type===ee&&Zi._opt.isWasmMp4){const i=new Uint8Array(e),r=At(i)?i.slice(2):i.slice(1);postMessage({cmd:T,buffer:r,ts:t.ts},[r.buffer])}if(Zi.isPlayer&&vi>0&&bi>0&&t.type===te){const e=t.ts-bi,i=vi+vi/2;e>i&&Zi.debug.log("worker",`pushBuffer video\n ts is ${t.ts}, preTimestamp is ${bi},\n diff is ${e} and preTimestampDuration is ${vi} and maxDiff is ${i}\n maybe trigger black screen or flower screen\n `)}if(Zi.isPlayer&&bi>0&&t.type===te&&t.ts<bi&&bi-t.ts>y&&(Zi.debug.warn("worker",`pushBuffer,\n preTimestamp is ${bi}, options.ts is ${t.ts},\n diff is ${bi-t.ts} more than 3600000,\n and resetAllDelay`),Zi.resetAllDelay(),bi=null,vi=0),Zi.isPlayer&&bi>0&&t.ts<=bi&&t.type===te&&(Zi.debug.warn("worker",`pushBuffer,\n options.ts is ${t.ts} less than (or equal) preTimestamp is ${bi} and\n payloadBufferSize is ${e.byteLength} and prevPayloadBufferSize is ${Ti}`),Zi._opt.isDropSameTimestampGop&&Et)){const e=Zi.hasIframeInBufferList(),t=Zt(Zi.isPushDropping);return Zi.debug.log("worker",`pushBuffer, isDropSameTimestampGop is true and\n 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decoder.dropBuffer$2()`),Zi.dropBuffer$2())}if(Zi.isPlayer&&t.type===te&&(bi>0&&(vi=t.ts-bi),Ti=e.byteLength,bi=t.ts),t.type===ee?r.push({ts:t.ts,payload:e,decoder:{decode:Zi.decodeAudio},type:ee,isIFrame:!1}):t.type===te&&r.push({ts:t.ts,cts:t.cts,payload:e,decoder:{decode:Zi.decodeVideo},type:te,isIFrame:t.isIFrame}),Zi.isPlaybackCacheBeforeDecodeForFpsRender()&&(Ot(Zi.streamVideoFps)||Ot(Zi.streamAudioFps))){let e=Zi.streamVideoFps,t=Zi.streamAudioFps;if(Ot(Zi.streamVideoFps)&&(e=Yt(r,te),e&&(Zi.streamVideoFps=e,postMessage({cmd:N,value:Zi.streamVideoFps}),Zi.streamFps=t?e+t:e,Zt(Zi._opt.hasAudio)&&(Zi.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),Zi.streamAudioFps=0),Zi.playbackCacheLoop())),Ot(Zi.streamAudioFps)&&(t=Yt(r,ee),t&&(Zi.streamAudioFps=t,Zi.streamFps=e?e+t:t,Zi.playbackCacheLoop())),Ot(Zi.streamVideoFps)&&Ot(Zi.streamAudioFps)){const i=r.map((e=>({type:e.type,ts:e.ts})));Zi.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength is ${r.length}, and ts list is ${JSON.stringify(i)}`)}const i=Zi.getAudioBufferLength()>0,s=i?60:40;r.length>=s&&(Zi.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength is ${r.length} more than ${s}, and hasAudio is ${i} an set streamFps is 25`),Zi.streamVideoFps=25,postMessage({cmd:N,value:Zi.streamVideoFps}),i?(Zi.streamAudioFps=25,Zi.streamFps=Zi.streamVideoFps+Zi.streamAudioFps):Zi.streamFps=Zi.streamVideoFps,Zi.playbackCacheLoop())}}},getVideoBufferLength(){let e=0;return r.forEach((t=>{t.type===te&&(e+=1)})),e},hasIframeInBufferList:()=>r.some((e=>e.type===te&&e.isIFrame)),isAllIframeInBufferList(){const e=Zi.getVideoBufferLength();let t=0;return r.forEach((e=>{e.type===te&&e.isIFrame&&(t+=1)})),e===t},getNotDroppingDelayTs:()=>Zi._opt.videoBuffer+Zi._opt.videoBufferDelay/2,getAudioBufferLength(){let e=0;return r.forEach((t=>{t.type===ee&&(e+=1)})),e},getFlvBufferLength(){let e=0;return S&&S.buffer&&(e=S.buffer.byteLength),Zi._opt.isNakedFlow&&Yi.lastBuf&&(e=Yi.lastBuf.byteLength),e},fetchStream:function(e,t){Zi.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(t)),Zi.isWorkerFetch=!0,t.isFlv?Zi._opt.isFlv=!0:t.isFmp4?Zi._opt.isFmp4=!0:t.isMpeg4?Zi._opt.isMpeg4=!0:t.isNakedFlow?Zi._opt.isNakedFlow=!0:t.isTs&&(Zi._opt.isTs=!0),_=Pt((e=>{postMessage({cmd:P,type:_e,value:e})})),Zi.startStreamRateAndStatsInterval(),t.isFmp4&&(ji.listenMp4Box(),Zi._opt.isFmp4Private&&ji.initTransportDescarmber()),t.protocol===u?(S=new ri(Zi.demuxFlv()),fetch(e,{signal:a.signal}).then((e=>{if(Xt(Vi))return Zi.debug.log("worker","request abort and run res.body.cancel()"),Zi.fetchStatus=dt,void e.body.cancel();if(!jt(e))return Zi.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),Wi(),void postMessage({cmd:P,type:Ae.fetchError,value:`fetch response status is ${e.status} and ok is ${e.ok}`});if(postMessage({cmd:P,type:ve}),$t())Zi.writableStream=new WritableStream({write:e=>a&&a.signal&&a.signal.aborted?(Zi.debug.log("worker","writableStream write() and abortController.signal.aborted is true so return"),void(Zi.fetchStatus=ut)):Xt(Vi)?(Zi.debug.log("worker","writableStream write() and requestAbort is true so return"),void(Zi.fetchStatus=ut)):(Zi.fetchStatus=lt,_(e.byteLength),void(t.isFlv?S.write(e):t.isFmp4?Zi.demuxFmp4(e):t.isMpeg4?Zi.demuxMpeg4(e):t.isTs&&Zi.demuxTs(e))),close:()=>{Zi.fetchStatus=ut,S=null,Wi(),postMessage({cmd:P,type:me,value:c,msg:"fetch done"})},abort:e=>{if(a&&a.signal&&a.signal.aborted)return Zi.debug.log("worker","writableStream abort() and abortController.signal.aborted is true so return"),void(Zi.fetchStatus=ut);S=null,e.name!==st&&(Wi(),postMessage({cmd:P,type:Ae.fetchError,value:e.toString()}))}}),e.body.pipeTo(Zi.writableStream);else{const i=e.body.getReader(),r=()=>{i.read().then((e=>{let{done:i,value:s}=e;return i?(Zi.fetchStatus=ut,S=null,Wi(),void postMessage({cmd:P,type:me,value:c,msg:"fetch done"})):a&&a.signal&&a.signal.aborted?(Zi.debug.log("worker","fetchNext().then() and abortController.signal.aborted is true so return"),void(Zi.fetchStatus=ut)):Xt(Vi)?(Zi.debug.log("worker","fetchNext().then() and requestAbort is true so return"),void(Zi.fetchStatus=ut)):(Zi.fetchStatus=lt,_(s.byteLength),t.isFlv?S.write(s):t.isFmp4?Zi.demuxFmp4(s):t.isMpeg4&&Zi.demuxMpeg4(s),void r())})).catch((e=>{if(a&&a.signal&&a.signal.aborted)return Zi.debug.log("worker","fetchNext().catch() and abortController.signal.aborted is true so return"),void(Zi.fetchStatus=ut);S=null,e.name!==st&&(Wi(),postMessage({cmd:P,type:Ae.fetchError,value:e.toString()}))}))};r()}})).catch((e=>{a&&a.signal&&a.signal.aborted?Zi.debug.log("worker","fetch().catch() and abortController.signal.aborted is true so return"):e.name!==st&&(Wi(),postMessage({cmd:P,type:Ae.fetchError,value:e.toString()}),S=null)}))):t.protocol===l&&(t.isFlv&&(S=new ri(Zi.demuxFlv())),o=new WebSocket(e),o.binaryType="arraybuffer",o.onopen=()=>{Zi.debug.log("worker","fetchStream, WebsocketStream socket open"),postMessage({cmd:P,type:ve}),postMessage({cmd:P,type:Ue})},o.onclose=e=>{Zi.debug.log("worker",`fetchStream, WebsocketStream socket close and code is ${e.code}`),1006===e.code&&Zi.debug.error("worker",`fetchStream, WebsocketStream socket close abnormally and code is ${e.code}`),Xt(Vi)?Zi.debug.log("worker","fetchStream, WebsocketStream socket close and requestAbort is true so return"):(S=null,postMessage({cmd:P,type:me,value:h,msg:e.code}))},o.onerror=e=>{Zi.debug.error("worker","fetchStream, WebsocketStream socket error",e),S=null,postMessage({cmd:P,type:Ae.websocketError,value:e.isTrusted?"websocket user aborted":"websocket error"})},o.onmessage=e=>{_(e.data.byteLength),t.isFlv?S.write(e.data):t.isFmp4?Zi.demuxFmp4(e.data):t.isMpeg4?Zi.demuxMpeg4(e.data):Zi._opt.isNakedFlow?Zi.demuxNakedFlow(e.data):Zi.demuxM7s(e.data)})},demuxFlv:function*(){yield 9;const e=new ArrayBuffer(4),t=new Uint8Array(e),i=new Uint32Array(e);for(;;){t[3]=0;const e=yield 15,r=e[4];t[0]=e[7],t[1]=e[6],t[2]=e[5];const s=i[0];t[0]=e[10],t[1]=e[9],t[2]=e[8],t[3]=e[11];let n=i[0];const a=(yield s).slice();switch(r){case ie:if(a.byteLength>0){let e=a;Xt(Zi._opt.m7sCryptoAudio)&&(e=Zi.cryptoPayloadAudio(a)),Zi.decode(e,{type:ee,ts:n})}else Zi.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${a.byteLength} and return`);break;case re:if(a.byteLength>=6){const e=a[0];if(Zi._isEnhancedH265Header(e))Zi._decodeEnhancedH265Video(a,n);else{a[0];const e=a[0]>>4===ot;if(e&&Kt(a)&&null===Oi){const e=15&a[0];Oi=e===Be,Gi=xi(a,Oi),Zi.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${Oi} and nalUnitSize is ${Gi}`)}e&&Zi.calcIframeIntervalTimestamp(n),Zi.isPlayer&&Zi.calcNetworkDelay(n),i[0]=a[4],i[1]=a[3],i[2]=a[2],i[3]=0;let t=i[0],r=Zi.cryptoPayload(a,e);Zi.decode(r,{type:te,ts:n,isIFrame:e,cts:t})}}else Zi.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${a.byteLength} and return`);break;case se:postMessage({cmd:Y,buffer:a},[a.buffer]);break;default:Zi.debug.log("worker",`demuxFlv() type is ${r}`)}}},decode:function(e,t){t.type===ee?Zi._opt.hasAudio&&(postMessage({cmd:P,type:ge,value:e.byteLength}),Zi.isPlayer?Zi.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):Zi.isPlayback&&(Zi.isPlaybackOnlyDecodeIFrame()||(Zi.isPlaybackCacheBeforeDecodeForFpsRender(),Zi.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts})))):t.type===te&&Zi._opt.hasVideo&&(postMessage({cmd:P,type:ye,value:e.byteLength}),postMessage({cmd:P,type:be,value:t.ts}),Zi.isPlayer?Zi.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):Zi.isPlayback&&(Zi.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&Zi.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(Zi.isPlaybackCacheBeforeDecodeForFpsRender(),Zi.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let i=e;return Zi._opt.isM7sCrypto?Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength>0&&Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength>0?i=gr(e,Zi._opt.cryptoKey,Zi._opt.cryptoIV,Oi):Zi.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength} null`):Zi._opt.isSm4Crypto?Zi._opt.sm4CryptoKey&&t?i=zr(e,Zi._opt.sm4CryptoKey):Zi._opt.sm4CryptoKey||Zi.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):Zi._opt.isXorCrypto&&(Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength>0&&Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength>0?i=Vr(e,Zi._opt.cryptoKey,Zi._opt.cryptoIV,Oi):Zi.debug.error("worker",`isXorCrypto cryptoKey.length is ${Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength} null`)),i},cryptoPayloadAudio:function(e){let t=e;if(Zi._opt.isM7sCrypto)if(Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength>0&&Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength>0){e[0]>>4===Ie&&(t=yr(e,Zi._opt.cryptoKey,Zi._opt.cryptoIV))}else Zi.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Zi._opt.cryptoKey&&Zi._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zi._opt.cryptoIV&&Zi._opt.cryptoIV.byteLength} null`);return t},setCodecAudio:function(e,t){const i=e[0]>>4,r=e[0]>>1&1;if(Hi=i===Ie?r?16:8:0===r?8:16,Ji&&Ji.setCodec)if(Ut(e)||i===De||i===Fe||i===Le){Zi.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${i}`);const r=i===Ie?e.slice(2):new Uint8Array(0);Ji.setCodec(i,Zi._opt.sampleRate,r),i===Ie&&postMessage({cmd:C,buffer:r},[r.buffer]),St=!0,i!==Ie&&(i===Le?(Zi.mp3Demuxer||(Zi.mp3Demuxer=new Or(Zi),Zi.mp3Demuxer.on("data",((e,t)=>{Ji.decode(e,t)}))),Zi.mp3Demuxer.dispatch(e.slice(1),t)):Ji.decode(e.slice(1),t));{const e=Number("1")||1;setTimeout((()=>{Zi.debug.error("worker","jessibuca pro 体验结束,请刷新页面再次体验(wasm内部会暂停解码)，如需要购买商业授权，可以联系微信：bosswancheng"),Zi.close(),postMessage({cmd:z})}),60*e*60*1e3)}}else Zi.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",i);else Zi.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,t){if(Zi.isDestroyed)Zi.debug.log("worker","decodeAudio, decoder is destroyed and return");else if(Xt(i)&&Xt(Zi._opt.mseDecodeAudio))postMessage({cmd:L,payload:e,ts:t,cts:t},[e.buffer]);else{const i=e[0]>>4;St?i===Le?Zi.mp3Demuxer.dispatch(e.slice(1),t):Ji.decode(i===Ie?e.slice(2):e.slice(1),t):Zi.setCodecAudio(e,t)}},setCodecVideo:function(e){const t=15&e[0];if(Qi&&Qi.setCodec)if(Kt(e))if(t===xe||t===Be){Zi.debug.log("worker",`setCodecVideo: init video codec , codecId is ${t}`);const i=e.slice(5);if(t===xe&&Zi._opt.useSIMD){const e=di(i);if(e.codecWidth>b||e.codecHeight>b)return postMessage({cmd:H}),void Zi.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}const r=new Uint8Array(e);at=!0,Qi.setCodec(t,i),postMessage({cmd:k,code:t}),postMessage({cmd:I,buffer:r,codecId:t},[r.buffer])}else Zi.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else Zi.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else Zi.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,t,r){let s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;if(Zi.isDestroyed)Zi.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(Xt(i))postMessage({cmd:F,payload:e,isIFrame:r,ts:t,cts:s,delay:Zi.delay},[e.buffer]);else if(at)if(!Et&&r&&(Et=!0),Et){if(r&&Kt(e)){const t=15&e[0];let i={};if(t===xe){i=di(e.slice(5))}else t===Be&&(i=Bi(e));i.codecWidth&&i.codecHeight&&$e&&rt&&(i.codecWidth!==$e||i.codecHeight!==rt)&&(Zi.debug.warn("worker",`\n decodeVideo: video width or height is changed,\n old width is ${$e}, old height is ${rt},\n new width is ${i.codecWidth}, new height is ${i.codecHeight},\n and emit change event`),zi=!0,postMessage({cmd:O}))}if(zi)return void Zi.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(Ni)return void Zi.debug.warn("worker","decodeVideo: simd decode error, and return");if(Kt(e))return void Zi.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<v)return void Zi.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const i=e.slice(5);Qi.decode(i,r?1:0,t)}else Zi.debug.log("worker","decodeVideo first frame is not iFrame");else Zi.setCodecVideo(e)},clearBuffer:function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];Zi.debug.log("worker",`clearBuffer,bufferList length is ${r.length}, need clear is ${e}`),e&&(r=[]),Zi.isPlayer&&(Zi.resetAllDelay(),Xt(Zi._opt.checkFirstIFrame)&&(Zi.dropping=!0,postMessage({cmd:M}))),Xt(Zi._opt.checkFirstIFrame)&&Zt(i)&&(Et=!1)},dropBuffer$2:function(){if(r.length>0){let e=r.findIndex((e=>Xt(e.isIFrame)&&e.type===te));if(Zi.isAllIframeInBufferList())for(let t=0;t<r.length;t++){const i=r[t],s=Zi.getDelayNotUpdateDelay(i.ts,i.type);if(s>=Zi.getNotDroppingDelayTs()){Zi.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${s} and notDroppingDelayTs is ${Zi.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){Zi.isPushDropping=!0,postMessage({cmd:M});const t=r.length;r=r.slice(e);const i=r.shift();Zi.resetAllDelay(),Zi.getDelay(i.ts,i.type),Zi.doDecode(i),Zi.isPushDropping=!1,Zi.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${r.length} and new delay is ${Zi.delay} `)}else Zi.isPushDropping=!1}0===r.length&&(Zi.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),i=t.getUint32(1,!1),r=t.getUint8(0),s=new ArrayBuffer(4),n=new Uint32Array(s);switch(r){case ee:Zi.decode(new Uint8Array(e,5),{type:ee,ts:i});break;case te:if(t.byteLength>=11){const r=new Uint8Array(e,5),s=r[0];if(Zi._isEnhancedH265Header(s))Zi._decodeEnhancedH265Video(r,i);else{const e=t.getUint8(5)>>4==1;if(e&&(Zi.calcIframeIntervalTimestamp(i),Kt(r)&&null===Oi)){const e=15&r[0];Oi=e===Be}Zi.isPlayer&&Zi.calcNetworkDelay(i),n[0]=r[4],n[1]=r[3],n[2]=r[2],n[3]=0;let s=n[0],a=Zi.cryptoPayload(r,e);Zi.decode(a,{type:te,ts:i,isIFrame:e,cts:s})}}else Zi.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){Yi.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);ji.dispatch(t)},demuxMpeg4:function(e){qi.dispatch(e)},demuxTs:function(e){Ki.dispatch(e)},_decodeEnhancedH265Video:function(e,t){const i=e[0],r=48&i,s=15&i,n=e.slice(1,5),a=new ArrayBuffer(4),o=new Uint32Array(a),d="a"==String.fromCharCode(n[0]);if(Oi=Zt(d),s===pt){if(r===gt){const i=e.slice(5);if(d);else{const r=new Uint8Array(5+i.length);r.set([28,0,0,0,0],0),r.set(i,5),Gi=xi(e,Oi),Zi.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${Oi} and nalUnitSize is ${Gi}`),Zi.decode(r,{type:te,ts:t,isIFrame:!0,cts:0})}}}else if(s===mt){let i=e,s=0;const n=r===gt;if(n&&Zi.calcIframeIntervalTimestamp(t),d);else{o[0]=e[4],o[1]=e[3],o[2]=e[2],o[3]=0,s=o[0];i=Ii(e.slice(8),n),i=Zi.cryptoPayload(i,n),Zi.decode(i,{type:te,ts:t,isIFrame:n,cts:s})}}else if(s===_t){const i=r===gt;i&&Zi.calcIframeIntervalTimestamp(t);let s=Ii(e.slice(5),i);s=Zi.cryptoPayload(s,i),Zi.decode(s,{type:te,ts:t,isIFrame:i,cts:0})}},_isEnhancedH265Header:function(e){return(e&ft)===ft},findSei:function(e,t){let i=4;Gt(Gi)&&(i=Gi);wi(e.slice(5),i).forEach((e=>{const i=Oi?e[0]>>>1&63:31&e[0];(Oi&&(i===Ye||i===We)||Zt(Oi)&&i===ze)&&postMessage({cmd:W,buffer:e,ts:t},[e.buffer])}))},flvHasUnitTypeIDR(e,t){const i=wi(e.slice(5));let r=!1;return i.forEach((e=>{const i=t?e[0]>>>1&63:31&e[0];(t&&(i===Ne||i===Oe)||Zt(t)&&i===Me)&&(r=!0)})),r},calcNetworkDelay:function(e){if(!(Et&&e>0))return;null===Qt?(Qt=e,ei=Dt()):e<Qt&&(Zi.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${Qt}`),Qt=e,ei=Dt());const t=e-Qt,i=Dt()-ei,r=i>t?i-t:0;Zi.networkDelay=r,r>Zi._opt.networkDelay&&Zi._opt.playType===f&&(Zi.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${Qt} vs start is ${t},local diff is ${i} ,delay is ${r}`),postMessage({cmd:P,type:we,value:r}))},calcIframeIntervalTimestamp:function(e){null===yi?yi=e:yi<e&&(ni=e-yi,postMessage({cmd:R,value:ni}),yi=e)},canVisibilityDecodeNotDrop:function(){return Zi._opt.visibility&&$e*rt<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return Zi.isPlayback&&Zi._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return Zi._opt.playbackRate>=Zi._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return Zi.isPlayer&&Zi._opt.useMSE&&Xt(i)},isPlayUseMSEAndDecoderInWorker:function(){return Zi.isPlayUseMSE()&&Zi._opt.mseDecoderUseWorker},playbackUpdatePlaybackRate:function(){Zi.clearBuffer(!0)},onOffscreenCanvasWebglContextLost:function(e){Zi.debug.error("worker","handleOffscreenCanvasWebglContextLost and next try to create 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