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e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}class lr{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[n]=t[e],n++);return new Uint8Array(i.buffer,0,n)}static parseSPS(e){let t=lr._ebsp2rbsp(e),r=new dr(t);r.readByte();let i=r.readByte();r.readByte();let n=r.readByte();r.readUEG();let s=lr.getProfileString(i),o=lr.getLevelString(n),a=1,d=420,l=[0,420,422,444],u=8;if((100===i||110===i||122===i||244===i||44===i||83===i||86===i||118===i||128===i||138===i||144===i)&&(a=r.readUEG(),3===a&&r.readBits(1),a<=3&&(d=l[a]),u=r.readUEG()+8,r.readUEG(),r.readBits(1),r.readBool())){let e=3!==a?8:12;for(let t=0;t<e;t++)r.readBool()&&(t<6?lr._skipScalingList(r,16):lr._skipScalingList(r,64))}r.readUEG();let c=r.readUEG();if(0===c)r.readUEG();else if(1===c){r.readBits(1),r.readSEG(),r.readSEG();let e=r.readUEG();for(let t=0;t<e;t++)r.readSEG()}let h=r.readUEG();r.readBits(1);let f=r.readUEG(),p=r.readUEG(),m=r.readBits(1);0===m&&r.readBits(1),r.readBits(1);let g=0,_=0,y=0,v=0;r.readBool()&&(g=r.readUEG(),_=r.readUEG(),y=r.readUEG(),v=r.readUEG());let b=1,w=1,E=0,S=!0,A=0,U=0;if(r.readBool()){if(r.readBool()){let e=r.readByte(),t=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],i=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(b=t[e-1],w=i[e-1]):255===e&&(b=r.readByte()<<8|r.readByte(),w=r.readByte()<<8|r.readByte())}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(4),r.readBool()&&r.readBits(24)),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool()){let e=r.readBits(32),t=r.readBits(32);S=r.readBool(),A=t,U=2*e,E=A/U}}let x=1;1===b&&1===w||(x=b/w);let T=0,k=0;if(0===a)T=1,k=2-m;else{T=3===a?1:2,k=(1===a?2:1)*(2-m)}let B=16*(f+1),C=16*(p+1)*(2-m);B-=(g+_)*T,C-=(y+v)*k;let D=Math.ceil(B*x);return r.destroy(),r=null,{profile_string:s,level_string:o,bit_depth:u,ref_frames:h,chroma_format:d,chroma_format_string:lr.getChromaFormatString(d),frame_rate:{fixed:S,fps:E,fps_den:U,fps_num:A},sar_ratio:{width:b,height:w},codec_size:{width:B,height:C},present_size:{width:D,height:C}}}static parseSPS$2(e){let t=e.subarray(1,4),r="avc1.";for(let e=0;e<3;e++){let i=t[e].toString(16);i.length<2&&(i="0"+i),r+=i}let i=lr._ebsp2rbsp(e),n=new dr(i);n.readByte();let s=n.readByte();n.readByte();let o=n.readByte();n.readUEG();let a=lr.getProfileString(s),d=lr.getLevelString(o),l=1,u=420,c=[0,420,422,444],h=8,f=8;if((100===s||110===s||122===s||244===s||44===s||83===s||86===s||118===s||128===s||138===s||144===s)&&(l=n.readUEG(),3===l&&n.readBits(1),l<=3&&(u=c[l]),h=n.readUEG()+8,f=n.readUEG()+8,n.readBits(1),n.readBool())){let e=3!==l?8:12;for(let t=0;t<e;t++)n.readBool()&&(t<6?lr._skipScalingList(n,16):lr._skipScalingList(n,64))}n.readUEG();let p=n.readUEG();if(0===p)n.readUEG();else if(1===p){n.readBits(1),n.readSEG(),n.readSEG();let e=n.readUEG();for(let t=0;t<e;t++)n.readSEG()}let m=n.readUEG();n.readBits(1);let g=n.readUEG(),_=n.readUEG(),y=n.readBits(1);0===y&&n.readBits(1),n.readBits(1);let v=0,b=0,w=0,E=0;n.readBool()&&(v=n.readUEG(),b=n.readUEG(),w=n.readUEG(),E=n.readUEG());let S=1,A=1,U=0,x=!0,T=0,k=0;if(n.readBool()){if(n.readBool()){let e=n.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?(S=t[e-1],A=r[e-1]):255===e&&(S=n.readByte()<<8|n.readByte(),A=n.readByte()<<8|n.readByte())}if(n.readBool()&&n.readBool(),n.readBool()&&(n.readBits(4),n.readBool()&&n.readBits(24)),n.readBool()&&(n.readUEG(),n.readUEG()),n.readBool()){let e=n.readBits(32),t=n.readBits(32);x=n.readBool(),T=t,k=2*e,U=T/k}}let B=1;1===S&&1===A||(B=S/A);let C=0,D=0;if(0===l)C=1,D=2-y;else{C=3===l?1:2,D=(1===l?2:1)*(2-y)}let P=16*(g+1),F=16*(_+1)*(2-y);P-=(v+b)*C,F-=(w+E)*D;let I=Math.ceil(P*B);return n.destroy(),n=null,{codec_mimetype:r,profile_idc:s,level_idc:o,profile_string:a,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:lr.getChromaFormatString(u),frame_rate:{fixed:x,fps:U,fps_den:k,fps_num:T},sar_ratio:{width:S,height:A},codec_size:{width:P,height:F},present_size:{width:I,height:F}}}static _skipScalingList(e,t){let r=8,i=8,n=0;for(let s=0;s<t;s++)0!==i&&(n=e.readSEG(),i=(r+n+256)%256),r=0===i?r:i}static getProfileString(e){switch(e){case 66:return"Baseline";case 77:return"Main";case 88:return"Extended";case 100:return"High";case 110:return"High10";case 122:return"High422";case 244:return"High444";default:return"Unknown"}}static getLevelString(e){return(e/10).toFixed(1)}static getChromaFormatString(e){switch(e){case 420:return"4:2:0";case 422:return"4:2:2";case 444:return"4:4:4";default:return"Unknown"}}}class ur{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,r=0;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,r=this.bufoff+e>8?8-this.bufoff:e,t<<=r,t+=this.buffer[this.bufpos]>>8-this.bufoff-r&255>>8-r,this.bufoff+=r,e-=r,8==this.bufoff&&(this.bufpos++,this.bufoff=0)}return t}look(e){let t=this.bufpos,r=this.bufoff,i=this.read(e);return this.bufpos=t,this.bufoff=r,i}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function cr(e){const t={},r=new DataView(e.buffer);let i=r.getUint8(0),n=r.getUint8(1);if(r.getUint8(2),r.getUint8(3),1!==i||0===n)return{};const s=1+(3&r.getUint8(4));if(3!==s&&4!==s)return{};let o=31&r.getUint8(5);if(0===o)return{};let a=6;for(let i=0;i<o;i++){let n=r.getUint16(a,!1);if(a+=2,0===n)continue;let s=new Uint8Array(e.buffer,a,n);a+=n;let o=lr.parseSPS(s);if(0!==i)continue;t.sps=s,t.timescale=1e3,t.codecWidth=o.codec_size.width,t.codecHeight=o.codec_size.height,t.presentWidth=o.present_size.width,t.presentHeight=o.present_size.height,t.profile=o.profile_string,t.level=o.level_string,t.bitDepth=o.bit_depth,t.chromaFormat=o.chroma_format,t.sarRatio=o.sar_ratio,t.frameRate=o.frame_rate,!1!==o.frame_rate.fixed&&0!==o.frame_rate.fps_num&&0!==o.frame_rate.fps_den||(t.frameRate={fixed:!0,fps:25,fps_num:25e3,fps_den:1e3});let d=t.frameRate.fps_den,l=t.frameRate.fps_num;t.refSampleDuration=t.timescale*(d/l);let u=s.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=r.getUint8(a);if(0===d)return{};a++;for(let i=0;i<d;i++){let i=r.getUint16(a,!1);if(a+=2,0===i)continue;let n=new Uint8Array(e.buffer,a,i);a+=i,t.pps=n}if(t.videoType="avc",t.sps){const e=t.sps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.sps,4),t.sps=i}if(t.pps){const e=t.pps.byteLength,r=new Uint8Array([e>>>24&255,e>>>16&255,e>>>8&255,255&e]),i=new Uint8Array(e+4);i.set(r,0),i.set(t.pps,4),t.pps=i}return t}function hr(e){let{sps:t,pps:r}=e;const i=[23,0,0,0,0,1,66,0,30,255];i[0]=23,i[6]=t[1],i[7]=t[2],i[8]=t[3],i[10]=225,i[11]=t.byteLength>>8&255,i[12]=255&t.byteLength,i.push(...t,1,r.byteLength>>8&255,255&r.byteLength,...r);return new Uint8Array(i)}function fr(e){let{sps:t,pps:r}=e,i=8+t.byteLength+1+2+r.byteLength,n=!1;const s=lr.parseSPS$2(t);66!==t[3]&&77!==t[3]&&88!==t[3]&&(n=!0,i+=4);let o=new Uint8Array(i);o[0]=1,o[1]=t[1],o[2]=t[2],o[3]=t[3],o[4]=255,o[5]=225;let a=t.byteLength;o[6]=a>>>8,o[7]=255&a;let d=8;o.set(t,8),d+=a,o[d]=1;let l=r.byteLength;o[d+1]=l>>>8,o[d+2]=255&l,o.set(r,d+3),d+=3+l,n&&(o[d]=252|s.chroma_format_idc,o[d+1]=248|s.bit_depth_luma-8,o[d+2]=248|s.bit_depth_chroma-8,o[d+3]=0,d+=4);const u=[23,0,0,0,0],c=new Uint8Array(u.length+o.byteLength);return c.set(u,0),c.set(o,u.length),c}function pr(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function mr(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}function gr(e){return 31&e[0]}function _r(e){return e===Oe}function yr(e){return!function(e){return e===ze||e===Ne}(e)&&!_r(e)}function vr(e){return e===$e}function br(e){if(0===e.length)return!1;const t=gr(e[0]);for(let r=1;r<e.length;r++)if(t!==gr(e[r]))return!1;return!0}const wr=e=>{let t=e,r=t.byteLength,i=new Uint8Array(r),n=0;for(let e=0;e<r;e++)e>=2&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[n]=t[e],n++);return new Uint8Array(i.buffer,0,n)},Er=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 Sr(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 Ar(e){const t=e.length;let r=2,i=0;for(;null!==e[r]&&void 0!==e[r]&&1!==e[r];)r++;if(r++,i=r+2,i>=t)return[];const n=[];for(;i<t;)switch(e[i]){case 0:if(0!==e[i-1]){i+=2;break}if(0!==e[i-2]){i++;break}r!==i-2&&n.push(e.subarray(r,i-2));do{i++}while(1!==e[i]&&i<t);r=i+1,i=r+2;break;case 1:if(0!==e[i-1]||0!==e[i-2]){i+=3;break}r!==i-2&&n.push(e.subarray(r,i-2)),r=i+1,i=r+2;break;default:i+=3}return r<t&&n.push(e.subarray(r)),n}function Ur(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4;if(e.length<4)return;const r=e.length,i=[];let n,s=0;for(;s+t<r;)if(n=Sr(e,s),3===t&&(n>>>=8),s+=t,n){if(s+n>r)break;i.push(e.subarray(s,s+n)),s+=n}return i}function xr(e){const t=e.byteLength,r=[];let i=1;for(;i<t-2;)0===e[i]&&0===e[i+1]&&3===e[i+2]?(r.push(i+2),i+=2):i++;if(!r.length)return e;const n=t-r.length,s=new Uint8Array(n);let o=0;for(i=0;i<n;o++,i++)o===r[0]&&(o++,r.shift()),s[i]=e[o];return s}function Tr(e,t){const r=e.length;let i=t?2:1,n=0,s=0,o="";for(;255===e[i];)n+=255,i++;for(n+=e[i++];255===e[i];)s+=255,i++;if(s+=e[i++],5===n&&r>i+16)for(let t=0;t<16;t++)o+=e[i].toString(16),i++;return{payload:e.subarray(i),type:n,size:s,uuid:o}}function kr(e){const t=e.byteLength,r=new Uint8Array(4);r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t;const i=new Uint8Array(t+4);return i.set(r,0),i.set(e,4),i}function Br(e,t){let r=null;return t?e.length>=28&&(r=1+(3&e[26])):e.length>=12&&(r=1+(3&e[9])),r}function Cr(e){let t={width:0,height:0,profile:0,level:0};e=e.slice(5);do{let r={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(r.configurationVersion=e[0],1!=r.configurationVersion)break;r.general_profile_space=e[1]>>6&3,r.general_tier_flag=e[1]>>5&1,r.general_profile_idc=31&e[1],r.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],r.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],r.general_constraint_indicator_flags=r.general_constraint_indicator_flags<<16|e[10]<<8|e[11],r.general_level_idc=e[12],r.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],r.parallelismType=3&e[15],r.chromaFormat=3&e[16],r.bitDepthLumaMinus8=7&e[17],r.bitDepthChromaMinus8=7&e[18],r.avgFrameRate=e[19]<<8|e[20],r.constantFrameRate=e[21]>>6&3,r.numTemporalLayers=e[21]>>3&7,r.temporalIdNested=e[21]>>2&1,r.lengthSizeMinusOne=3&e[21];let i=e[22],n=e.slice(23);for(let e=0;e<i&&!(n.length<3);e++){let e=63&n[0],i=n[1]<<8|n[2];n=n.slice(3);for(let s=0;s<i&&!(n.length<2);s++){let i=n[0]<<8|n[1];if(n.length<2+i)break;if(n=n.slice(2),33==e){let e=new Uint8Array(i);e.set(n.slice(0,i),0),r.psps=Dr(e,r),t.profile=r.general_profile_idc,t.level=r.general_level_idc/30,t.width=r.psps.pic_width_in_luma_samples-(r.psps.conf_win_left_offset+r.psps.conf_win_right_offset),t.height=r.psps.pic_height_in_luma_samples-(r.psps.conf_win_top_offset+r.psps.conf_win_bottom_offset)}n=n.slice(i)}}}while(0);return t.codecWidth=t.width||1920,t.codecHeight=t.height||1080,t.presentHeight=t.codecHeight,t.presentWidth=t.codecWidth,t.timescale=1e3,t.refSampleDuration=1e3/23976*1e3,t.videoType=ot,t}function Dr(e,t){let r={},i=e.length,n=[],s=new ur(e);s.read(1),s.read(6),s.read(6),s.read(3);for(let e=2;e<i;e++)e+2<i&&3==s.look(24)?(n.push(s.read(8)),n.push(s.read(8)),e+=2,s.read(8)):n.push(s.read(8));let o=new Uint8Array(n),a=new ur(o);if(r.sps_video_parameter_set_id=a.read(4),r.sps_max_sub_layers_minus1=a.read(3),r.sps_temporal_id_nesting_flag=a.read(1),r.profile_tier_level=function(e,t,r){let i={};i.profile_space=e.read(2),i.tier_flag=e.read(1),i.profile_idc=e.read(5),i.profile_compatibility_flags=e.read(32),i.general_progressive_source_flag=e.read(1),i.general_interlaced_source_flag=e.read(1),i.general_non_packed_constraint_flag=e.read(1),i.general_frame_only_constraint_flag=e.read(1),e.read(32),e.read(12),i.level_idc=e.read(8),i.sub_layer_profile_present_flag=[],i.sub_layer_level_present_flag=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]=e.read(1),i.sub_layer_level_present_flag[t]=e.read(1);if(r>0)for(let t=r;t<8;t++)e.read(2);i.sub_layer_profile_space=[],i.sub_layer_tier_flag=[],i.sub_layer_profile_idc=[],i.sub_layer_profile_compatibility_flag=[],i.sub_layer_progressive_source_flag=[],i.sub_layer_interlaced_source_flag=[],i.sub_layer_non_packed_constraint_flag=[],i.sub_layer_frame_only_constraint_flag=[],i.sub_layer_level_idc=[];for(let t=0;t<r;t++)i.sub_layer_profile_present_flag[t]&&(i.sub_layer_profile_space[t]=e.read(2),i.sub_layer_tier_flag[t]=e.read(1),i.sub_layer_profile_idc[t]=e.read(5),i.sub_layer_profile_compatibility_flag[t]=e.read(32),i.sub_layer_progressive_source_flag[t]=e.read(1),i.sub_layer_interlaced_source_flag[t]=e.read(1),i.sub_layer_non_packed_constraint_flag[t]=e.read(1),i.sub_layer_frame_only_constraint_flag[t]=e.read(1),e.read(32),e.read(12)),i.sub_layer_level_present_flag[t]?i.sub_layer_level_idc[t]=e.read(8):i.sub_layer_level_idc[t]=1;return i}(a,0,r.sps_max_sub_layers_minus1),r.sps_seq_parameter_set_id=a.read_golomb(),r.chroma_format_idc=a.read_golomb(),3==r.chroma_format_idc?r.separate_colour_plane_flag=a.read(1):r.separate_colour_plane_flag=0,r.pic_width_in_luma_samples=a.read_golomb(),r.pic_height_in_luma_samples=a.read_golomb(),r.conformance_window_flag=a.read(1),r.conformance_window_flag){let e=1+(r.chroma_format_idc<2),t=1+(r.chroma_format_idc<3);r.conf_win_left_offset=a.read_golomb()*t,r.conf_win_right_offset=a.read_golomb()*t,r.conf_win_top_offset=a.read_golomb()*e,r.conf_win_bottom_offset=a.read_golomb()*e}else r.conf_win_left_offset=0,r.conf_win_right_offset=0,r.conf_win_top_offset=0,r.conf_win_bottom_offset=0;return r}function Pr(e){let{vps:t,pps:r,sps:i}=e,n={configurationVersion:1};const s=(e=>{let t=wr(e),r=new dr(t);return r.readByte(),r.readByte(),r.readBits(4),r.readBits(2),r.readBits(6),{num_temporal_layers:r.readBits(3)+1,temporal_id_nested:r.readBool()}})(t),o=(e=>{let t=wr(e),r=new dr(t);r.readByte(),r.readByte();let i=0,n=0,s=0,o=0;r.readBits(4);let a=r.readBits(3);r.readBool();let d=r.readBits(2),l=r.readBool(),u=r.readBits(5),c=r.readByte(),h=r.readByte(),f=r.readByte(),p=r.readByte(),m=r.readByte(),g=r.readByte(),_=r.readByte(),y=r.readByte(),v=r.readByte(),b=r.readByte(),w=r.readByte(),E=[],S=[];for(let e=0;e<a;e++)E.push(r.readBool()),S.push(r.readBool());if(a>0)for(let e=a;e<8;e++)r.readBits(2);for(let e=0;e<a;e++)E[e]&&(r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte(),r.readByte()),E[e]&&r.readByte();r.readUEG();let A=r.readUEG();3==A&&r.readBits(1);let U=r.readUEG(),x=r.readUEG();r.readBool()&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),o+=r.readUEG());let T=r.readUEG(),k=r.readUEG(),B=r.readUEG();for(let e=r.readBool()?0:a;e<=a;e++)r.readUEG(),r.readUEG(),r.readUEG();if(r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readBool()&&r.readBool())for(let e=0;e<4;e++)for(let t=0;t<(3===e?2:6);t++)if(r.readBool()){let t=Math.min(64,1<<4+(e<<1));e>1&&r.readSEG();for(let e=0;e<t;e++)r.readSEG()}else r.readUEG();r.readBool(),r.readBool(),r.readBool()&&(r.readByte(),r.readUEG(),r.readUEG(),r.readBool());let C=r.readUEG(),D=0;for(let e=0;e<C;e++){let t=!1;if(0!==e&&(t=r.readBool()),t){e===C&&r.readUEG(),r.readBool(),r.readUEG();let t=0;for(let e=0;e<=D;e++){let e=r.readBool(),i=!1;e||(i=r.readBool()),(e||i)&&t++}D=t}else{let e=r.readUEG(),t=r.readUEG();D=e+t;for(let t=0;t<e;t++)r.readUEG(),r.readBool();for(let e=0;e<t;e++)r.readUEG(),r.readBool()}}if(r.readBool()){let e=r.readUEG();for(let t=0;t<e;t++){for(let e=0;e<B+4;e++)r.readBits(1);r.readBits(1)}}let P=!1,F=0,I=1,L=1,R=!1,M=1,z=1;if(r.readBool(),r.readBool(),r.readBool()){if(r.readBool()){let e=r.readByte(),t=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2],i=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1];e>0&&e<16?(I=t[e-1],L=i[e-1]):255===e&&(I=r.readBits(16),L=r.readBits(16))}if(r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(3),r.readBool(),r.readBool()&&(r.readByte(),r.readByte(),r.readByte())),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool(),r.readBool(),r.readBool(),P=r.readBool(),P&&(i+=r.readUEG(),n+=r.readUEG(),s+=r.readUEG(),o+=r.readUEG()),r.readBool()&&(M=r.readBits(32),z=r.readBits(32),r.readBool()&&(r.readUEG(),r.readBool()))){let e=!1,t=!1,i=!1;e=r.readBool(),t=r.readBool(),(e||t)&&(i=r.readBool(),i&&(r.readByte(),r.readBits(5),r.readBool(),r.readBits(5)),r.readBits(4),r.readBits(4),i&&r.readBits(4),r.readBits(5),r.readBits(5),r.readBits(5));for(let n=0;n<=a;n++){let n=r.readBool();R=n;let s=!1,o=1;n||(s=r.readBool());let a=!1;if(s?r.readSEG():a=r.readBool(),a||(cpbcnt=r.readUEG()+1),e)for(let e=0;e<o;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG());if(t)for(let e=0;e<o;e++)r.readUEG(),r.readUEG(),i&&(r.readUEG(),r.readUEG())}}r.readBool()&&(r.readBool(),r.readBool(),r.readBool(),F=r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG(),r.readUEG())}r.readBool();let N=`hvc1.${u}.1.L${w}.B0`,$=U,O=x,G=1;return 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ui(e){for(var t=[],r=0;r<e.length;r+=4)t.push(e[r]<<24|e[r+1]<<16|e[r+2]<<8|e[r+3]);return t}var ci=function(e){if(!(this instanceof ci))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:Gr(e,!0)}),this._prepare()};ci.prototype._prepare=function(){var e=qr[this.key.length];if(null==e)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var t=0;t<=e;t++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);var r,i=4*(e+1),n=this.key.length/4,s=ui(this.key);for(t=0;t<n;t++)r=t>>2,this._Ke[r][t%4]=s[t],this._Kd[e-r][t%4]=s[t];for(var o,a=0,d=n;d<i;){if(o=s[n-1],s[0]^=Xr[o>>16&255]<<24^Xr[o>>8&255]<<16^Xr[255&o]<<8^Xr[o>>24&255]^Kr[a]<<24,a+=1,8!=n)for(t=1;t<n;t++)s[t]^=s[t-1];else{for(t=1;t<n/2;t++)s[t]^=s[t-1];o=s[n/2-1],s[n/2]^=Xr[255&o]^Xr[o>>8&255]<<8^Xr[o>>16&255]<<16^Xr[o>>24&255]<<24;for(t=n/2+1;t<n;t++)s[t]^=s[t-1]}for(t=0;t<n&&d<i;)l=d>>2,u=d%4,this._Ke[l][u]=s[t],this._Kd[e-l][u]=s[t++],d++}for(var l=1;l<e;l++)for(var u=0;u<4;u++)o=this._Kd[l][u],this._Kd[l][u]=oi[o>>24&255]^ai[o>>16&255]^di[o>>8&255]^li[255&o]},ci.prototype.encrypt=function(e){if(16!=e.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var t=this._Ke.length-1,r=[0,0,0,0],i=ui(e),n=0;n<4;n++)i[n]^=this._Ke[0][n];for(var s=1;s<t;s++){for(n=0;n<4;n++)r[n]=Jr[i[n]>>24&255]^Qr[i[(n+1)%4]>>16&255]^ei[i[(n+2)%4]>>8&255]^ti[255&i[(n+3)%4]]^this._Ke[s][n];i=r.slice()}var o,a=Hr(16);for(n=0;n<4;n++)o=this._Ke[t][n],a[4*n]=255&(Xr[i[n]>>24&255]^o>>24),a[4*n+1]=255&(Xr[i[(n+1)%4]>>16&255]^o>>16),a[4*n+2]=255&(Xr[i[(n+2)%4]>>8&255]^o>>8),a[4*n+3]=255&(Xr[255&i[(n+3)%4]]^o);return a},ci.prototype.decrypt=function(e){if(16!=e.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var t=this._Kd.length-1,r=[0,0,0,0],i=ui(e),n=0;n<4;n++)i[n]^=this._Kd[0][n];for(var s=1;s<t;s++){for(n=0;n<4;n++)r[n]=ri[i[n]>>24&255]^ii[i[(n+3)%4]>>16&255]^ni[i[(n+2)%4]>>8&255]^si[255&i[(n+1)%4]]^this._Kd[s][n];i=r.slice()}var o,a=Hr(16);for(n=0;n<4;n++)o=this._Kd[t][n],a[4*n]=255&(Zr[i[n]>>24&255]^o>>24),a[4*n+1]=255&(Zr[i[(n+3)%4]>>16&255]^o>>16),a[4*n+2]=255&(Zr[i[(n+2)%4]>>8&255]^o>>8),a[4*n+3]=255&(Zr[255&i[(n+1)%4]]^o);return a};var hi=function(e){if(!(this instanceof hi))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new ci(e)};hi.prototype.encrypt=function(e){if((e=Gr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Hr(e.length),r=Hr(16),i=0;i<e.length;i+=16)Vr(e,r,0,i,i+16),Vr(r=this._aes.encrypt(r),t,i);return t},hi.prototype.decrypt=function(e){if((e=Gr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Hr(e.length),r=Hr(16),i=0;i<e.length;i+=16)Vr(e,r,0,i,i+16),Vr(r=this._aes.decrypt(r),t,i);return t};var fi=function(e,t){if(!(this instanceof fi))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=Hr(16);this._lastCipherblock=Gr(t,!0),this._aes=new ci(e)};fi.prototype.encrypt=function(e){if((e=Gr(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=Hr(e.length),r=Hr(16),i=0;i<e.length;i+=16){Vr(e,r,0,i,i+16);for(var n=0;n<16;n++)r[n]^=this._lastCipherblock[n];this._lastCipherblock=this._aes.encrypt(r),Vr(this._lastCipherblock,t,i)}return t},fi.prototype.decrypt=function(e){if((e=Gr(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=Hr(e.length),r=Hr(16),i=0;i<e.length;i+=16){Vr(e,r,0,i,i+16),r=this._aes.decrypt(r);for(var n=0;n<16;n++)t[i+n]=r[n]^this._lastCipherblock[n];Vr(e,this._lastCipherblock,0,i,i+16)}return t};var pi=function(e,t,r){if(!(this instanceof pi))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 size)")}else t=Hr(16);r||(r=1),this.segmentSize=r,this._shiftRegister=Gr(t,!0),this._aes=new ci(e)};pi.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t,r=Gr(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var n=0;n<this.segmentSize;n++)r[i+n]^=t[n];Vr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Vr(r,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r},pi.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t,r=Gr(e,!0),i=0;i<r.length;i+=this.segmentSize){t=this._aes.encrypt(this._shiftRegister);for(var n=0;n<this.segmentSize;n++)r[i+n]^=t[n];Vr(this._shiftRegister,this._shiftRegister,0,this.segmentSize),Vr(e,this._shiftRegister,16-this.segmentSize,i,i+this.segmentSize)}return r};var mi=function(e,t){if(!(this instanceof mi))throw Error("AES must be instanitated with `new`");if(this.description="Output Feedback",this.name="ofb",t){if(16!=t.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else t=Hr(16);this._lastPrecipher=Gr(t,!0),this._lastPrecipherIndex=16,this._aes=new ci(e)};mi.prototype.encrypt=function(e){for(var t=Gr(e,!0),r=0;r<t.length;r++)16===this._lastPrecipherIndex&&(this._lastPrecipher=this._aes.encrypt(this._lastPrecipher),this._lastPrecipherIndex=0),t[r]^=this._lastPrecipher[this._lastPrecipherIndex++];return t},mi.prototype.decrypt=mi.prototype.encrypt;var gi=function(e){if(!(this instanceof gi))throw Error("Counter must be instanitated with `new`");0===e||e||(e=1),"number"==typeof e?(this._counter=Hr(16),this.setValue(e)):this.setBytes(e)};gi.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)},gi.prototype.setBytes=function(e){if(16!=(e=Gr(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},gi.prototype.increment=function(){for(var e=15;e>=0;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};var _i=function(e,t){if(!(this instanceof _i))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof gi||(t=new gi(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new ci(e)};_i.prototype.encrypt=function(e){for(var t=Gr(e,!0),r=0;r<t.length;r++)16===this._remainingCounterIndex&&(this._remainingCounter=this._aes.encrypt(this._counter._counter),this._remainingCounterIndex=0,this._counter.increment()),t[r]^=this._remainingCounter[this._remainingCounterIndex++];return t},_i.prototype.decrypt=_i.prototype.encrypt;const yi={AES:ci,Counter:gi,ModeOfOperation:{ecb:hi,cbc:fi,cfb:pi,ofb:mi,ctr:_i},utils:{hex:Yr,utf8:jr},padding:{pkcs7:{pad:function(e){var t=16-(e=Gr(e,!0)).length%16,r=Hr(e.length+t);Vr(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=Gr(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(t>16)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var n=Hr(r);return Vr(e,n,0,0,r),n}}},_arrayTest:{coerceArray:Gr,createArray:Hr,copyArray:Vr}};function vi(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function bi(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];t=new Uint8Array(t),r=new Uint8Array(r);const n=e.byteLength;let s=5;for(;s<n;){let o=vi(e.slice(s,s+4));if(o>n)break;let a=e[s+4],d=!1;if(i?(a=a>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(a)):(a&=31,d=1===a||5===a),d){const i=e.slice(s+4+2,s+4+o);let n=new yi.ModeOfOperation.ctr(t,new yi.Counter(r));const a=n.decrypt(i);n=null,e.set(a,s+4+2)}s=s+4+o}return e}function wi(e,t,r){if(e.byteLength<=30)return e;const i=e.slice(32);let n=new yi.ModeOfOperation.ctr(t,new yi.Counter(r));const s=n.decrypt(i);return n=null,e.set(s,32),e}var Ei=At((function(e,t){var r,n,s,o=(r=new Date,n=4,s={setLogLevel:function(e){n=e==this.debug?1:e==this.info?2:e==this.warn?3:(this.error,4)},debug:function(e,t){void 0===console.debug&&(console.debug=console.log),1>=n&&console.debug("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},log:function(e,t){this.debug(e.msg)},info:function(e,t){2>=n&&console.info("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},warn:function(e,t){3>=n&&console.warn("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)},error:function(e,t){4>=n&&console.error("["+o.getDurationString(new Date-r,1e3)+"]","["+e+"]",t)}},s);o.getDurationString=function(e,t){var r;function i(e,t){for(var r=(""+e).split(".");r[0].length<t;)r[0]="0"+r[0];return r.join(".")}e<0?(r=!0,e=-e):r=!1;var n=e/(t||1),s=Math.floor(n/3600);n-=3600*s;var o=Math.floor(n/60),a=1e3*(n-=60*o);return a-=1e3*(n=Math.floor(n)),a=Math.floor(a),(r?"-":"")+s+":"+i(o,2)+":"+i(n,2)+"."+i(a,3)},o.printRanges=function(e){var t=e.length;if(t>0){for(var r="",i=0;i<t;i++)i>0&&(r+=","),r+="["+o.getDurationString(e.start(i))+","+o.getDurationString(e.end(i))+"]";return r}return"(empty)"},t.Log=o;var a=function(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new DataView(e),this.position=0};a.prototype.getPosition=function(){return this.position},a.prototype.getEndPosition=function(){return this.buffer.byteLength},a.prototype.getLength=function(){return this.buffer.byteLength},a.prototype.seek=function(e){var t=Math.max(0,Math.min(this.buffer.byteLength,e));return this.position=isNaN(t)||!isFinite(t)?0:t,!0},a.prototype.isEos=function(){return this.getPosition()>=this.getEndPosition()},a.prototype.readAnyInt=function(e,t){var r=0;if(this.position+e<=this.buffer.byteLength){switch(e){case 1:r=t?this.dataview.getInt8(this.position):this.dataview.getUint8(this.position);break;case 2:r=t?this.dataview.getInt16(this.position):this.dataview.getUint16(this.position);break;case 3:if(t)throw"No method for reading signed 24 bits values";r=this.dataview.getUint8(this.position)<<16,r|=this.dataview.getUint8(this.position+1)<<8,r|=this.dataview.getUint8(this.position+2);break;case 4:r=t?this.dataview.getInt32(this.position):this.dataview.getUint32(this.position);break;case 8:if(t)throw"No method for reading signed 64 bits values";r=this.dataview.getUint32(this.position)<<32,r|=this.dataview.getUint32(this.position+4);break;default:throw"readInt method not implemented for size: "+e}return this.position+=e,r}throw"Not enough bytes in buffer"},a.prototype.readUint8=function(){return this.readAnyInt(1,!1)},a.prototype.readUint16=function(){return this.readAnyInt(2,!1)},a.prototype.readUint24=function(){return this.readAnyInt(3,!1)},a.prototype.readUint32=function(){return this.readAnyInt(4,!1)},a.prototype.readUint64=function(){return this.readAnyInt(8,!1)},a.prototype.readString=function(e){if(this.position+e<=this.buffer.byteLength){for(var t="",r=0;r<e;r++)t+=String.fromCharCode(this.readUint8());return t}throw"Not enough bytes in buffer"},a.prototype.readCString=function(){for(var e=[];;){var t=this.readUint8();if(0===t)break;e.push(t)}return String.fromCharCode.apply(null,e)},a.prototype.readInt8=function(){return this.readAnyInt(1,!0)},a.prototype.readInt16=function(){return this.readAnyInt(2,!0)},a.prototype.readInt32=function(){return this.readAnyInt(4,!0)},a.prototype.readInt64=function(){return this.readAnyInt(8,!1)},a.prototype.readUint8Array=function(e){for(var t=new Uint8Array(e),r=0;r<e;r++)t[r]=this.readUint8();return t},a.prototype.readInt16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readInt16();return t},a.prototype.readUint16Array=function(e){for(var t=new Int16Array(e),r=0;r<e;r++)t[r]=this.readUint16();return t},a.prototype.readUint32Array=function(e){for(var t=new Uint32Array(e),r=0;r<e;r++)t[r]=this.readUint32();return t},a.prototype.readInt32Array=function(e){for(var t=new Int32Array(e),r=0;r<e;r++)t[r]=this.readInt32();return t},t.MP4BoxStream=a;var d=function(e,t,r){this._byteOffset=t||0,e instanceof ArrayBuffer?this.buffer=e:"object"==typeof e?(this.dataView=e,t&&(this._byteOffset+=t)):this.buffer=new ArrayBuffer(e||0),this.position=0,this.endianness=null==r?d.LITTLE_ENDIAN:r};d.prototype={},d.prototype.getPosition=function(){return this.position},d.prototype._realloc=function(e){if(this._dynamicSize){var t=this._byteOffset+this.position+e,r=this._buffer.byteLength;if(t<=r)t>this._byteLength&&(this._byteLength=t);else{for(r<1&&(r=1);t>r;)r*=2;var i=new ArrayBuffer(r),n=new Uint8Array(this._buffer);new Uint8Array(i,0,n.length).set(n),this.buffer=i,this._byteLength=t}}},d.prototype._trimAlloc=function(){if(this._byteLength!=this._buffer.byteLength){var e=new ArrayBuffer(this._byteLength),t=new Uint8Array(e),r=new Uint8Array(this._buffer,0,t.length);t.set(r),this.buffer=e}},d.BIG_ENDIAN=!1,d.LITTLE_ENDIAN=!0,d.prototype._byteLength=0,Object.defineProperty(d.prototype,"byteLength",{get:function(){return this._byteLength-this._byteOffset}}),Object.defineProperty(d.prototype,"buffer",{get:function(){return this._trimAlloc(),this._buffer},set:function(e){this._buffer=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"byteOffset",{get:function(){return this._byteOffset},set:function(e){this._byteOffset=e,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._buffer.byteLength}}),Object.defineProperty(d.prototype,"dataView",{get:function(){return this._dataView},set:function(e){this._byteOffset=e.byteOffset,this._buffer=e.buffer,this._dataView=new DataView(this._buffer,this._byteOffset),this._byteLength=this._byteOffset+e.byteLength}}),d.prototype.seek=function(e){var t=Math.max(0,Math.min(this.byteLength,e));this.position=isNaN(t)||!isFinite(t)?0:t},d.prototype.isEof=function(){return this.position>=this._byteLength},d.prototype.mapUint8Array=function(e){this._realloc(1*e);var t=new Uint8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.readInt32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Int32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Int16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Int8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readUint32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Uint32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return d.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},d.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return d.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),d.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},d.prototype.readInt32=function(e){var t=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readInt16=function(e){var t=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},d.prototype.readUint32=function(e){var t=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readUint16=function(e){var t=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,t},d.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},d.prototype.readFloat32=function(e){var t=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,t},d.prototype.readFloat64=function(e){var t=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,t},d.endianness=new Int8Array(new Int16Array([1]).buffer)[0]>0,d.memcpy=function(e,t,r,i,n){var s=new Uint8Array(e,t,n),o=new Uint8Array(r,i,n);s.set(o)},d.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},d.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},d.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT)for(var i=r+e.BYTES_PER_ELEMENT-1,n=r;i>n;i--,n++){var s=t[n];t[n]=t[i],t[i]=s}return e},d.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r<e.length;r++)t[r]=e[r];return String.fromCharCode.apply(null,t)},d.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},d.prototype.readCString=function(e){var t=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),i=t;null!=e&&(i=Math.min(e,t));for(var n=0;n<i&&0!==r[n];n++);var s=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(n)]);return null!=e?this.position+=i-n:n!=t&&(this.position+=1),s};var l=Math.pow(2,32);d.prototype.readInt64=function(){return this.readInt32()*l+this.readUint32()},d.prototype.readUint64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readInt64=function(){return this.readUint32()*l+this.readUint32()},d.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},t.DataStream=d,d.prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var r=window.URL.createObjectURL(t),i=document.createElement("a");document.body.appendChild(i),i.setAttribute("href",r),i.setAttribute("download",e),i.setAttribute("target","_self"),i.click(),window.URL.revokeObjectURL(r)},d.prototype._dynamicSize=!0,Object.defineProperty(d.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),d.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),r=new Uint8Array(t),i=new Uint8Array(this._buffer,e,r.length);r.set(i),this.buffer=t,this.position-=e},d.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt32(e[r],t)},d.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt16(e[r],t)},d.prototype.writeInt8Array=function(e){if(this._realloc(1*e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},d.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint32(e[r],t)},d.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint16(e[r],t)},d.prototype.writeUint8Array=function(e){if(this._realloc(1*e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},d.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat64(e[r],t)},d.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)d.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat32(e[r],t)},d.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},d.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},d.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},d.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},d.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},d.prototype.writeUCS2String=function(e,t,r){null==r&&(r=e.length);for(var i=0;i<e.length&&i<r;i++)this.writeUint16(e.charCodeAt(i),t);for(;i<r;i++)this.writeUint16(0)},d.prototype.writeString=function(e,t,r){var i=0;if(null==t||"ASCII"==t)if(null!=r){var n=Math.min(e.length,r);for(i=0;i<n;i++)this.writeUint8(e.charCodeAt(i));for(;i<r;i++)this.writeUint8(0)}else for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))},d.prototype.writeCString=function(e,t){var r=0;if(null!=t){var i=Math.min(e.length,t);for(r=0;r<i;r++)this.writeUint8(e.charCodeAt(r));for(;r<t;r++)this.writeUint8(0)}else{for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));this.writeUint8(0)}},d.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}},d.prototype.writeType=function(e,t,r){var i;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,r);var n=null,s="ASCII",o=this.position;switch("string"==typeof e&&/:/.test(e)&&(i=e.split(":"),e=i[0],n=parseInt(i[1])),"string"==typeof e&&/,/.test(e)&&(i=e.split(","),e=i[0],s=parseInt(i[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,d.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,d.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,d.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,d.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,d.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,d.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,d.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,d.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,d.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,d.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,d.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,d.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,n);break;case"string":this.writeString(t,s,n);break;case"u16string":this.writeUCS2String(t,this.endianness,n);break;case"u16stringle":this.writeUCS2String(t,d.LITTLE_ENDIAN,n);break;case"u16stringbe":this.writeUCS2String(t,d.BIG_ENDIAN,n);break;default:if(3==e.length){for(var a=e[1],l=0;l<t.length;l++)this.writeType(a,t[l]);break}this.writeStruct(e,t)}null!=n&&(this.position=o,this._realloc(n),this.position=o+n)},d.prototype.writeUint64=function(e){var t=Math.floor(e/l);this.writeUint32(t),this.writeUint32(4294967295&e)},d.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},d.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},d.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapInt8Array=function(e){this._realloc(1*e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=1*e,t},d.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},d.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},d.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},d.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return d.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r};var u=function(e){this.buffers=[],this.bufferIndex=-1,e&&(this.insertBuffer(e),this.bufferIndex=0)};(u.prototype=new d(new ArrayBuffer,0,d.BIG_ENDIAN)).initialized=function(){var e;return this.bufferIndex>-1||(this.buffers.length>0?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,o.debug("MultiBufferStream","Stream ready for parsing"),!0):(o.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(o.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){o.debug("ArrayBuffer","Trying to create a new buffer of size: "+(e.byteLength+t.byteLength));var r=new Uint8Array(e.byteLength+t.byteLength);return r.set(new Uint8Array(e),0),r.set(new Uint8Array(t),e.byteLength),r.buffer},u.prototype.reduceBuffer=function(e,t,r){var i;return(i=new Uint8Array(r)).set(new Uint8Array(e,t,r)),i.buffer.fileStart=e.fileStart+t,i.buffer.usedBytes=0,i.buffer},u.prototype.insertBuffer=function(e){for(var t=!0,r=0;r<this.buffers.length;r++){var i=this.buffers[r];if(e.fileStart<=i.fileStart){if(e.fileStart===i.fileStart){if(e.byteLength>i.byteLength){this.buffers.splice(r,1),r--;continue}o.warn("MultiBufferStream","Buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+") already appended, ignoring")}else e.fileStart+e.byteLength<=i.fileStart||(e=this.reduceBuffer(e,0,i.fileStart-e.fileStart)),o.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.splice(r,0,e),0===r&&(this.buffer=e);t=!1;break}if(e.fileStart<i.fileStart+i.byteLength){var n=i.fileStart+i.byteLength-e.fileStart,s=e.byteLength-n;if(!(s>0)){t=!1;break}e=this.reduceBuffer(e,n,s)}}t&&(o.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},u.prototype.logBufferLevel=function(e){var t,r,i,n,s,a=[],d="";for(i=0,n=0,t=0;t<this.buffers.length;t++)r=this.buffers[t],0===t?(s={},a.push(s),s.start=r.fileStart,s.end=r.fileStart+r.byteLength,d+="["+s.start+"-"):s.end===r.fileStart?s.end=r.fileStart+r.byteLength:((s={}).start=r.fileStart,d+=a[a.length-1].end-1+"], ["+s.start+"-",s.end=r.fileStart+r.byteLength,a.push(s)),i+=r.usedBytes,n+=r.byteLength;a.length>0&&(d+=s.end-1+"]");var l=e?o.info:o.debug;0===this.buffers.length?l("MultiBufferStream","No more buffer in memory"):l("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+i+"/"+n+" bytes), continuous ranges: "+d)},u.prototype.cleanBuffers=function(){var e,t;for(e=0;e<this.buffers.length;e++)(t=this.buffers[e]).usedBytes===t.byteLength&&(o.debug("MultiBufferStream","Removing buffer #"+e),this.buffers.splice(e,1),e--)},u.prototype.mergeNextBuffer=function(){var e;if(this.bufferIndex+1<this.buffers.length){if((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength){var t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart;return this.buffers[this.bufferIndex]=ArrayBuffer.concat(this.buffer,e),this.buffer=this.buffers[this.bufferIndex],this.buffers.splice(this.bufferIndex+1,1),this.buffer.usedBytes=r,this.buffer.fileStart=i,o.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0}return!1}return!1},u.prototype.findPosition=function(e,t,r){var i,n=null,s=-1;for(i=!0===e?0:this.bufferIndex;i<this.buffers.length&&(n=this.buffers[i]).fileStart<=t;)s=i,r&&(n.fileStart+n.byteLength<=t?n.usedBytes=n.byteLength:n.usedBytes=t-n.fileStart,this.logBufferLevel()),i++;return-1!==s&&(n=this.buffers[s]).fileStart+n.byteLength>=t?(o.debug("MultiBufferStream","Found position in existing buffer #"+s),s):-1},u.prototype.findEndContiguousBuf=function(e){var t,r,i,n=void 0!==e?e:this.bufferIndex;if(r=this.buffers[n],this.buffers.length>n+1)for(t=n+1;t<this.buffers.length&&(i=this.buffers[t]).fileStart===r.fileStart+r.byteLength;t++)r=i;return r.fileStart+r.byteLength},u.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},u.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},u.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},u.prototype.seek=function(e,t,r){var i;return-1!==(i=this.findPosition(t,e,r))?(this.buffer=this.buffers[i],this.bufferIndex=i,this.position=e-this.buffer.fileStart,o.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(o.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},u.prototype.getPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.position},u.prototype.getLength=function(){return this.byteLength},u.prototype.getEndPosition=function(){if(-1===this.bufferIndex||null===this.buffers[this.bufferIndex])throw"Error accessing position in the MultiBufferStream";return this.buffers[this.bufferIndex].fileStart+this.byteLength},t.MultiBufferStream=u;var c=function(){var e=[];e[3]="ES_Descriptor",e[4]="DecoderConfigDescriptor",e[5]="DecoderSpecificInfo",e[6]="SLConfigDescriptor",this.getDescriptorName=function(t){return e[t]};var t=this,r={};return this.parseOneDescriptor=function(t){var i,n,s,a=0;for(i=t.readUint8(),s=t.readUint8();128&s;)a=(127&s)<<7,s=t.readUint8();return a+=127&s,o.debug("MPEG4DescriptorParser","Found "+(e[i]||"Descriptor "+i)+", size "+a+" at position "+t.getPosition()),(n=e[i]?new r[e[i]](a):new r.Descriptor(a)).parse(t),n},r.Descriptor=function(e,t){this.tag=e,this.size=t,this.descs=[]},r.Descriptor.prototype.parse=function(e){this.data=e.readUint8Array(this.size)},r.Descriptor.prototype.findDescriptor=function(e){for(var t=0;t<this.descs.length;t++)if(this.descs[t].tag==e)return this.descs[t];return null},r.Descriptor.prototype.parseRemainingDescriptors=function(e){for(var r=e.position;e.position<r+this.size;){var i=t.parseOneDescriptor(e);this.descs.push(i)}},r.ES_Descriptor=function(e){r.Descriptor.call(this,3,e)},r.ES_Descriptor.prototype=new r.Descriptor,r.ES_Descriptor.prototype.parse=function(e){if(this.ES_ID=e.readUint16(),this.flags=e.readUint8(),this.size-=3,128&this.flags?(this.dependsOn_ES_ID=e.readUint16(),this.size-=2):this.dependsOn_ES_ID=0,64&this.flags){var t=e.readUint8();this.URL=e.readString(t),this.size-=t+1}else this.URL="";32&this.flags?(this.OCR_ES_ID=e.readUint16(),this.size-=2):this.OCR_ES_ID=0,this.parseRemainingDescriptors(e)},r.ES_Descriptor.prototype.getOTI=function(e){var t=this.findDescriptor(4);return t?t.oti:0},r.ES_Descriptor.prototype.getAudioConfig=function(e){var t=this.findDescriptor(4);if(!t)return null;var r=t.findDescriptor(5);if(r&&r.data){var i=(248&r.data[0])>>3;return 31===i&&r.data.length>=2&&(i=32+((7&r.data[0])<<3)+((224&r.data[1])>>5)),i}return null},r.DecoderConfigDescriptor=function(e){r.Descriptor.call(this,4,e)},r.DecoderConfigDescriptor.prototype=new r.Descriptor,r.DecoderConfigDescriptor.prototype.parse=function(e){this.oti=e.readUint8(),this.streamType=e.readUint8(),this.upStream=0!=(this.streamType>>1&1),this.streamType=this.streamType>>>2,this.bufferSize=e.readUint24(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32(),this.size-=13,this.parseRemainingDescriptors(e)},r.DecoderSpecificInfo=function(e){r.Descriptor.call(this,5,e)},r.DecoderSpecificInfo.prototype=new r.Descriptor,r.SLConfigDescriptor=function(e){r.Descriptor.call(this,6,e)},r.SLConfigDescriptor.prototype=new r.Descriptor,this};t.MPEG4DescriptorParser=c;var 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,r){this.type=e,this.size=t,this.uuid=r},FullBox:function(e,t,r){h.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){h.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){h.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){h.FullBox.call(this,e,t)},createBoxCtor:function(e,t){h.boxCodes.push(e),h[e+"Box"]=function(t){h.Box.call(this,e,t)},h[e+"Box"].prototype=new h.Box,t&&(h[e+"Box"].prototype.parse=t)},createFullBoxCtor:function(e,t){h[e+"Box"]=function(t){h.FullBox.call(this,e,t)},h[e+"Box"].prototype=new h.FullBox,h[e+"Box"].prototype.parse=function(e){this.parseFullHeader(e),t&&t.call(this,e)}},addSubBoxArrays:function(e){if(e){this.subBoxNames=e;for(var t=e.length,r=0;r<t;r++)this[e[r]+"s"]=[]}},createContainerBoxCtor:function(e,t,r){h[e+"Box"]=function(t){h.ContainerBox.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"Box"].prototype=new h.ContainerBox,t&&(h[e+"Box"].prototype.parse=t)},createMediaSampleEntryCtor:function(e,t,r){h.sampleEntryCodes[e]=[],h[e+"SampleEntry"]=function(e,t){h.SampleEntry.call(this,e,t),h.addSubBoxArrays.call(this,r)},h[e+"SampleEntry"].prototype=new h.SampleEntry,t&&(h[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(e,t,r,i){h.sampleEntryCodes[e].push(t),h[t+"SampleEntry"]=function(r){h[e+"SampleEntry"].call(this,t,r),h.addSubBoxArrays.call(this,i)},h[t+"SampleEntry"].prototype=new h[e+"SampleEntry"],r&&(h[t+"SampleEntry"].prototype.parse=r)},createEncryptedSampleEntryCtor:function(e,t,r){h.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(e,t){h[e+"SampleGroupEntry"]=function(t){h.SampleGroupEntry.call(this,e,t)},h[e+"SampleGroupEntry"].prototype=new h.SampleGroupEntry,t&&(h[e+"SampleGroupEntry"].prototype.parse=t)},createTrackGroupCtor:function(e,t){h[e+"TrackGroupTypeBox"]=function(t){h.TrackGroupTypeBox.call(this,e,t)},h[e+"TrackGroupTypeBox"].prototype=new h.TrackGroupTypeBox,t&&(h[e+"TrackGroupTypeBox"].prototype.parse=t)},createUUIDBox:function(e,t,r,i){h.UUIDs.push(e),h.UUIDBoxes[e]=function(i){t?h.FullBox.call(this,"uuid",i,e):r?h.ContainerBox.call(this,"uuid",i,e):h.Box.call(this,"uuid",i,e)},h.UUIDBoxes[e].prototype=t?new h.FullBox:r?new h.ContainerBox:new h.Box,i&&(h.UUIDBoxes[e].prototype.parse=t?function(e){this.parseFullHeader(e),i&&i.call(this,e)}:i)}};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 r=t||"entries";return this[r]||(this[r]=[]),this[r].push(e),this},t.BoxParser=h,h.parseUUID=function(e){return h.parseHex16(e)},h.parseHex16=function(e){for(var t="",r=0;r<16;r++){var i=e.readUint8().toString(16);t+=1===i.length?"0"+i:i}return t},h.parseOneBox=function(e,t,r){var i,n,s,a=e.getPosition(),d=0;if(e.getEndPosition()-a<8)return o.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:h.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return o.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(o.debug("BoxParser","Found box of type '"+u+"' and size "+l+" at position "+a),d=8,"uuid"==u){if(e.getEndPosition()-e.getPosition()<16||r-d<16)return e.seek(a),o.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:h.ERR_NOT_ENOUGH_DATA};d+=16,c=s=h.parseUUID(e)}if(1==l){if(e.getEndPosition()-e.getPosition()<8||r&&r-d<8)return e.seek(a),o.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+u+'" box'),{code:h.ERR_NOT_ENOUGH_DATA};l=e.readUint64(),d+=8}else if(0===l)if(r)l=r;else if("mdat"!==u)return o.error("BoxParser","Unlimited box size not supported for type: '"+u+"'"),i=new h.Box(u,l),{code:h.OK,box:i,size:i.size};return 0!==l&&l<d?(o.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:a}):0!==l&&r&&l>r?(o.error("BoxParser","Box of type '"+u+"' has a size "+l+" greater than its container size "+r),{code:h.ERR_NOT_ENOUGH_DATA,type:u,size:l,hdr_size:d,start:a}):0!==l&&a+l>e.getEndPosition()?(e.seek(a),o.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:a}):t?{code:h.OK,type:u,size:l,hdr_size:d,start:a}:(h[u+"Box"]?i=new h[u+"Box"](l):"uuid"!==u?(o.warn("BoxParser","Unknown box type: '"+u+"'"),(i=new h.Box(u,l)).has_unparsed_data=!0):h.UUIDBoxes[s]?i=new h.UUIDBoxes[s](l):(o.warn("BoxParser","Unknown uuid type: '"+s+"'"),(i=new h.Box(u,l)).uuid=s,i.has_unparsed_data=!0),i.hdr_size=d,i.start=a,i.write===h.Box.prototype.write&&"mdat"!==i.type&&(o.info("BoxParser","'"+c+"' box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),(n=e.getPosition()-(i.start+i.size))<0?(o.warn("BoxParser","Parsing of box '"+c+"' did not read the entire indicated box data size (missing "+-n+" bytes), seeking forward"),e.seek(i.start+i.size)):n>0&&(o.error("BoxParser","Parsing of box '"+c+"' read "+n+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:h.OK,box:i,size:i.size})},h.Box.prototype.parse=function(e){"mdat"!=this.type?this.data=e.readUint8Array(this.size-this.hdr_size):0===this.size?e.seek(e.getEndPosition()):e.seek(this.start+this.size)},h.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseDataAndRewind=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=4,e.position-=this.size-this.hdr_size},h.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},h.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.ContainerBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;if(r=t.box,this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type))this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r);else{var i="uuid"!==r.type?r.type:r.uuid;this[i]?o.warn("Box of type "+i+" already stored in field of this type"):this[i]=r}}},h.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();var t=[];t[0]=this.language>>10&31,t[1]=this.language>>5&31,t[2]=31&this.language,this.languageString=String.fromCharCode(t[0]+96,t[1]+96,t[2]+96)},h.SAMPLE_ENTRY_TYPE_VISUAL="Visual",h.SAMPLE_ENTRY_TYPE_AUDIO="Audio",h.SAMPLE_ENTRY_TYPE_HINT="Hint",h.SAMPLE_ENTRY_TYPE_METADATA="Metadata",h.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",h.SAMPLE_ENTRY_TYPE_SYSTEM="System",h.SAMPLE_ENTRY_TYPE_TEXT="Text",h.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},h.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},h.SampleEntry.prototype.parseDataAndRewind=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size),this.hdr_size-=8,e.position-=this.size-this.hdr_size},h.SampleEntry.prototype.parseFooter=function(e){h.ContainerBox.prototype.parse.call(this,e)},h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_HINT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SYSTEM),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_TEXT),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,(function(e){var t;this.parseHeader(e),e.readUint16(),e.readUint16(),e.readUint32Array(3),this.width=e.readUint16(),this.height=e.readUint16(),this.horizresolution=e.readUint32(),this.vertresolution=e.readUint32(),e.readUint32(),this.frame_count=e.readUint16(),t=Math.min(31,e.readUint8()),this.compressorname=e.readString(t),t<31&&e.readString(31-t),this.depth=e.readUint16(),e.readUint16(),this.parseFooter(e)})),h.createMediaSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_AUDIO,(function(e){this.parseHeader(e),e.readUint32Array(2),this.channel_count=e.readUint16(),this.samplesize=e.readUint16(),e.readUint16(),e.readUint16(),this.samplerate=e.readUint32()/65536,this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_VISUAL,"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 r=0;r<3;r++)this.layer_size[r]=16==t?e.readUint16():e.readUint32()})),h.createBoxCtor("a1op",(function(e){this.op_index=e.readUint8()})),h.createFullBoxCtor("auxC",(function(e){this.aux_type=e.readCString();var t=this.size-this.hdr_size-(this.aux_type.length+1);this.aux_subtype=e.readUint8Array(t)})),h.createBoxCtor("av1C",(function(e){var t=e.readUint8();if(t>>7&!1)o.error("av1C marker problem");else if(this.version=127&t,1===this.version)if(t=e.readUint8(),this.seq_profile=t>>5&7,this.seq_level_idx_0=31&t,t=e.readUint8(),this.seq_tier_0=t>>7&1,this.high_bitdepth=t>>6&1,this.twelve_bit=t>>5&1,this.monochrome=t>>4&1,this.chroma_subsampling_x=t>>3&1,this.chroma_subsampling_y=t>>2&1,this.chroma_sample_position=3&t,t=e.readUint8(),this.reserved_1=t>>5&7,0===this.reserved_1){if(this.initial_presentation_delay_present=t>>4&1,1===this.initial_presentation_delay_present)this.initial_presentation_delay_minus_one=15&t;else if(this.reserved_2=15&t,0!==this.reserved_2)return void o.error("av1C reserved_2 parsing problem");var r=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(r)}else o.error("av1C reserved_1 parsing problem");else o.error("av1C version "+this.version+" not supported")})),h.createBoxCtor("avcC",(function(e){var t,r;for(this.configurationVersion=e.readUint8(),this.AVCProfileIndication=e.readUint8(),this.profile_compatibility=e.readUint8(),this.AVCLevelIndication=e.readUint8(),this.lengthSizeMinusOne=3&e.readUint8(),this.nb_SPS_nalus=31&e.readUint8(),r=this.size-this.hdr_size-6,this.SPS=[],t=0;t<this.nb_SPS_nalus;t++)this.SPS[t]={},this.SPS[t].length=e.readUint16(),this.SPS[t].nalu=e.readUint8Array(this.SPS[t].length),r-=2+this.SPS[t].length;for(this.nb_PPS_nalus=e.readUint8(),r--,this.PPS=[],t=0;t<this.nb_PPS_nalus;t++)this.PPS[t]={},this.PPS[t].length=e.readUint16(),this.PPS[t].nalu=e.readUint8Array(this.PPS[t].length),r-=2+this.PPS[t].length;r>0&&(this.ext=e.readUint8Array(r))})),h.createBoxCtor("btrt",(function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()})),h.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,r;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(r=0;r<t;r++)this.chunk_offsets.push(e.readUint64())})),h.createFullBoxCtor("CoLL",(function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()})),h.createBoxCtor("colr",(function(e){if(this.colour_type=e.readString(4),"nclx"===this.colour_type){this.colour_primaries=e.readUint16(),this.transfer_characteristics=e.readUint16(),this.matrix_coefficients=e.readUint16();var t=e.readUint8();this.full_range_flag=t>>7}else("rICC"===this.colour_type||"prof"===this.colour_type)&&(this.ICC_profile=e.readUint8Array(this.size-4))})),h.createFullBoxCtor("cprt",(function(e){this.parseLanguage(e),this.notice=e.readCString()})),h.createFullBoxCtor("cslg",(function(e){0===this.version&&(this.compositionToDTSShift=e.readInt32(),this.leastDecodeToDisplayDelta=e.readInt32(),this.greatestDecodeToDisplayDelta=e.readInt32(),this.compositionStartTime=e.readInt32(),this.compositionEndTime=e.readInt32())})),h.createFullBoxCtor("ctts",(function(e){var t,r;if(t=e.readUint32(),this.sample_counts=[],this.sample_offsets=[],0===this.version)for(r=0;r<t;r++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&o.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())})),h.createBoxCtor("dac3",(function(e){var t=e.readUint8(),r=e.readUint8(),i=e.readUint8();this.fscod=t>>6,this.bsid=t>>1&31,this.bsmod=(1&t)<<2|r>>6&3,this.acmod=r>>3&7,this.lfeon=r>>2&1,this.bit_rate_code=3&r|i>>5&7})),h.createBoxCtor("dec3",(function(e){var t=e.readUint16();this.data_rate=t>>3,this.num_ind_sub=7&t,this.ind_subs=[];for(var r=0;r<this.num_ind_sub+1;r++){var i={};this.ind_subs.push(i);var n=e.readUint8(),s=e.readUint8(),o=e.readUint8();i.fscod=n>>6,i.bsid=n>>1&31,i.bsmod=(1&n)<<4|s>>4&15,i.acmod=s>>1&7,i.lfeon=1&s,i.num_dep_sub=o>>1&15,i.num_dep_sub>0&&(i.chan_loc=(1&o)<<8|e.readUint8())}})),h.createFullBoxCtor("dfLa",(function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),n=Math.min(127&i,r.length-1);if(n?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(r[n]),128&i)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"})),h.createBoxCtor("dimm",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("dmed",(function(e){this.bytessent=e.readUint64()})),h.createBoxCtor("dOps",(function(e){if(this.Version=e.readUint8(),this.OutputChannelCount=e.readUint8(),this.PreSkip=e.readUint16(),this.InputSampleRate=e.readUint32(),this.OutputGain=e.readInt16(),this.ChannelMappingFamily=e.readUint8(),0!==this.ChannelMappingFamily){this.StreamCount=e.readUint8(),this.CoupledCount=e.readUint8(),this.ChannelMapping=[];for(var t=0;t<this.OutputChannelCount;t++)this.ChannelMapping[t]=e.readUint8()}})),h.createFullBoxCtor("dref",(function(e){var t,r;this.entries=[];for(var i=e.readUint32(),n=0;n<i;n++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;r=t.box,this.entries.push(r)}})),h.createBoxCtor("drep",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("elng",(function(e){this.extended_language=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("elst",(function(e){this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),1===this.version?(i.segment_duration=e.readUint64(),i.media_time=e.readInt64()):(i.segment_duration=e.readUint32(),i.media_time=e.readInt32()),i.media_rate_integer=e.readInt16(),i.media_rate_fraction=e.readInt16()}})),h.createFullBoxCtor("emsg",(function(e){1==this.version?(this.timescale=e.readUint32(),this.presentation_time=e.readUint64(),this.event_duration=e.readUint32(),this.id=e.readUint32(),this.scheme_id_uri=e.readCString(),this.value=e.readCString()):(this.scheme_id_uri=e.readCString(),this.value=e.readCString(),this.timescale=e.readUint32(),this.presentation_time_delta=e.readUint32(),this.event_duration=e.readUint32(),this.id=e.readUint32());var t=this.size-this.hdr_size-(16+(this.scheme_id_uri.length+1)+(this.value.length+1));1==this.version&&(t-=4),this.message_data=e.readUint8Array(t)})),h.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),r=new c;this.esd=r.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 r=0;t>=4;)this.compatible_brands[r]=e.readString(4),t-=4,r++})),h.createFullBoxCtor("hdlr",(function(e){0===this.version&&(e.readUint32(),this.handler=e.readString(4),e.readUint32Array(3),this.name=e.readString(this.size-this.hdr_size-20),"\0"===this.name[this.name.length-1]&&(this.name=this.name.slice(0,-1)))})),h.createBoxCtor("hvcC",(function(e){var t,r,i,n;this.configurationVersion=e.readUint8(),n=e.readUint8(),this.general_profile_space=n>>6,this.general_tier_flag=(32&n)>>5,this.general_profile_idc=31&n,this.general_profile_compatibility=e.readUint32(),this.general_constraint_indicator=e.readUint8Array(6),this.general_level_idc=e.readUint8(),this.min_spatial_segmentation_idc=4095&e.readUint16(),this.parallelismType=3&e.readUint8(),this.chroma_format_idc=3&e.readUint8(),this.bit_depth_luma_minus8=7&e.readUint8(),this.bit_depth_chroma_minus8=7&e.readUint8(),this.avgFrameRate=e.readUint16(),n=e.readUint8(),this.constantFrameRate=n>>6,this.numTemporalLayers=(13&n)>>3,this.temporalIdNested=(4&n)>>2,this.lengthSizeMinusOne=3&n,this.nalu_arrays=[];var s=e.readUint8();for(t=0;t<s;t++){var o=[];this.nalu_arrays.push(o),n=e.readUint8(),o.completeness=(128&n)>>7,o.nalu_type=63&n;var a=e.readUint16();for(r=0;r<a;r++){var d={};o.push(d),i=e.readUint16(),d.data=e.readUint8Array(i)}}})),h.createFullBoxCtor("iinf",(function(e){var t;0===this.version?this.entry_count=e.readUint16():this.entry_count=e.readUint32(),this.item_infos=[];for(var r=0;r<this.entry_count;r++){if((t=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;"infe"!==t.box.type&&o.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}})),h.createFullBoxCtor("iloc",(function(e){var t;t=e.readUint8(),this.offset_size=t>>4&15,this.length_size=15&t,t=e.readUint8(),this.base_offset_size=t>>4&15,1===this.version||2===this.version?this.index_size=15&t:this.index_size=0,this.items=[];var r=0;if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var n={};if(this.items.push(n),this.version<2)n.item_ID=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";n.item_ID=e.readUint32()}switch(1===this.version||2===this.version?n.construction_method=15&e.readUint16():n.construction_method=0,n.data_reference_index=e.readUint16(),this.base_offset_size){case 0:n.base_offset=0;break;case 4:n.base_offset=e.readUint32();break;case 8:n.base_offset=e.readUint64();break;default:throw"Error reading base offset size"}var s=e.readUint16();n.extents=[];for(var o=0;o<s;o++){var a={};if(n.extents.push(a),1===this.version||2===this.version)switch(this.index_size){case 0:a.extent_index=0;break;case 4:a.extent_index=e.readUint32();break;case 8:a.extent_index=e.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:a.extent_offset=0;break;case 4:a.extent_offset=e.readUint32();break;case 8:a.extent_offset=e.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:a.extent_length=0;break;case 4:a.extent_length=e.readUint32();break;case 8:a.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),o.warn("BoxParser","Cannot parse extension type"),void e.seek(this.start+this.size);this.version>=2&&(2===this.version?this.item_ID=e.readUint16():3===this.version&&(this.item_ID=e.readUint32()),this.item_protection_index=e.readUint16(),this.item_type=e.readString(4),this.item_name=e.readCString(),"mime"===this.item_type?(this.content_type=e.readCString(),this.content_encoding=e.readCString()):"uri "===this.item_type&&(this.item_uri_type=e.readCString()))})),h.createFullBoxCtor("ipma",(function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={};this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32();var n=e.readUint8();for(i.props=[],r=0;r<n;r++){var s=e.readUint8(),o={};i.props.push(o),o.essential=(128&s)>>7==1,1&this.flags?o.property_index=(127&s)<<8|e.readUint8():o.property_index=127&s}}})),h.createFullBoxCtor("iref",(function(e){var t,r;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=0===this.version?new h.SingleItemTypeReferenceBox(t.type,t.size,t.hdr_size,t.start):new h.SingleItemTypeReferenceBoxLarge(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(o.warn("BoxParser",r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.references.push(r)}})),h.createBoxCtor("irot",(function(e){this.angle=3&e.readUint8()})),h.createFullBoxCtor("ispe",(function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()})),h.createFullBoxCtor("kind",(function(e){this.schemeURI=e.readCString(),this.value=e.readCString()})),h.createFullBoxCtor("leva",(function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={};this.levels[r]=i,i.track_ID=e.readUint32();var n=e.readUint8();switch(i.padding_flag=n>>7,i.assignment_type=127&n,i.assignment_type){case 0:i.grouping_type=e.readString(4);break;case 1:i.grouping_type=e.readString(4),i.grouping_type_parameter=e.readUint32();break;case 2:case 3:break;case 4:i.sub_track_id=e.readUint32();break;default:o.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&&(o.warn("BoxParser","mehd box incorrectly uses flags set to 1, converting version to 1"),this.version=1),1==this.version?this.fragment_duration=e.readUint64():this.fragment_duration=e.readUint32()})),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 r=0;r<Math.floor((t+1)/2);r++)this.padbits=e.readUint8()})),h.createBoxCtor("pasp",(function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()})),h.createBoxCtor("payl",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createBoxCtor("payt",(function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)})),h.createFullBoxCtor("pdin",(function(e){var t=(this.size-this.hdr_size)/8;this.rate=[],this.initial_delay=[];for(var r=0;r<t;r++)this.rate[r]=e.readUint32(),this.initial_delay[r]=e.readUint32()})),h.createFullBoxCtor("pitm",(function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()})),h.createFullBoxCtor("pixi",(function(e){var t;for(this.num_channels=e.readUint8(),this.bits_per_channels=[],t=0;t<this.num_channels;t++)this.bits_per_channels[t]=e.readUint8()})),h.createBoxCtor("pmax",(function(e){this.bytes=e.readUint32()})),h.createFullBoxCtor("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 r=0;r<t;r++)this.kid[r]=h.parseHex16(e)}var i=e.readUint32();i>0&&(this.data=e.readUint8Array(i))})),h.createFullBoxCtor("clef",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("enof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createFullBoxCtor("prof",(function(e){this.width=e.readUint32(),this.height=e.readUint32()})),h.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),h.createBoxCtor("rtp ",(function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)})),h.createFullBoxCtor("saio",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32());var t=e.readUint32();this.offset=[];for(var r=0;r<t;r++)0===this.version?this.offset[r]=e.readUint32():this.offset[r]=e.readUint64()})),h.createFullBoxCtor("saiz",(function(e){1&this.flags&&(this.aux_info_type=e.readUint32(),this.aux_info_type_parameter=e.readUint32()),this.default_sample_info_size=e.readUint8();var t=e.readUint32();if(this.sample_info_size=[],0===this.default_sample_info_size)for(var r=0;r<t;r++)this.sample_info_size[r]=e.readUint8()})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"mett",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"metx",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stpp",(function(e){this.parseHeader(e),this.namespace=e.readCString(),this.schema_location=e.readCString(),this.auxiliary_mime_types=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",(function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_SUBTITLE,"tx3g",(function(e){this.parseHeader(e),this.displayFlags=e.readUint32(),this.horizontal_justification=e.readInt8(),this.vertical_justification=e.readInt8(),this.bg_color_rgba=e.readUint8Array(4),this.box_record=e.readInt16Array(4),this.style_record=e.readUint8Array(12),this.parseFooter(e)})),h.createSampleEntryCtor(h.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",(function(e){this.parseHeader(e),this.parseFooter(e)})),h.createSampleGroupCtor("alst",(function(e){var t,r=e.readUint16();for(this.first_output_sample=e.readUint16(),this.sample_offset=[],t=0;t<r;t++)this.sample_offset[t]=e.readUint32();var i=this.description_length-4-4*r;for(this.num_output_samples=[],this.num_total_samples=[],t=0;t<i/4;t++)this.num_output_samples[t]=e.readUint16(),this.num_total_samples[t]=e.readUint16()})),h.createSampleGroupCtor("avll",(function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()})),h.createSampleGroupCtor("avss",(function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var n={};this.dependency.push(n),n.subSeqDirectionFlag=e.readUint8(),n.layerNumber=e.readUint8(),n.subSequenceIdentifier=e.readUint16()}})),h.createSampleGroupCtor("dtrt",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("mvif",(function(e){o.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)o.warn("BoxParser","Mismatch in "+this.grouping_type+" sample group length"),this.data=e.readUint8Array(this.description_length-2);else{if(1===this.operation_point_count)this.target_rate_share=e.readUint16();else{this.target_rate_share=[],this.available_bitrate=[];for(var t=0;t<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){o.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},h.createSampleGroupCtor("scif",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("scnm",(function(e){o.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){o.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){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("tscl",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createSampleGroupCtor("vipr",(function(e){o.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")})),h.createFullBoxCtor("sbgp",(function(e){this.grouping_type=e.readString(4),1===this.version?this.grouping_type_parameter=e.readUint32():this.grouping_type_parameter=0,this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.entries.push(i),i.sample_count=e.readInt32(),i.group_description_index=e.readInt32()}})),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 r=e.readUint8();for(this.correction_applied=128==(128&r),this.num_bad_rows=e.readUint32(),this.num_bad_cols=e.readUint32(),this.num_bad_pixels=e.readUint32(),this.bad_rows=[],this.bad_columns=[],this.bad_pixels=[],t=0;t<this.num_bad_rows;t++)this.bad_rows.push(e.readUint32());for(t=0;t<this.num_bad_cols;t++)this.bad_columns.push(e.readUint32());for(t=0;t<this.num_bad_pixels;t++){var i=e.readUint32(),n=e.readUint32();this.bad_pixels.push(new p(i,n))}})),h.createFullBoxCtor("schm",(function(e){this.scheme_type=e.readString(4),this.scheme_version=e.readUint32(),1&this.flags&&(this.scheme_uri=e.readString(this.size-this.hdr_size-8))})),h.createBoxCtor("sdp ",(function(e){this.sdptext=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("sdtp",(function(e){var t,r=this.size-this.hdr_size;this.is_leading=[],this.sample_depends_on=[],this.sample_is_depended_on=[],this.sample_has_redundancy=[];for(var i=0;i<r;i++)t=e.readUint8(),this.is_leading[i]=t>>6,this.sample_depends_on[i]=t>>4&3,this.sample_is_depended_on[i]=t>>2&3,this.sample_has_redundancy[i]=3&t})),h.createFullBoxCtor("senc"),h.createFullBoxCtor("sgpd",(function(e){this.grouping_type=e.readString(4),o.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,this.version>=2&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i;i=h[this.grouping_type+"SampleGroupEntry"]?new h[this.grouping_type+"SampleGroupEntry"](this.grouping_type):new h.SampleGroupEntry(this.grouping_type),this.entries.push(i),1===this.version&&0===this.default_length?i.description_length=e.readUint32():i.description_length=this.default_length,i.write===h.SampleGroupEntry.prototype.write&&(o.info("BoxParser","SampleGroup for type "+this.grouping_type+" writing not yet implemented, keeping unparsed data in memory for later write"),i.data=e.readUint8Array(i.description_length),e.position-=i.description_length),i.parse(e)}})),h.createFullBoxCtor("sidx",(function(e){this.reference_ID=e.readUint32(),this.timescale=e.readUint32(),0===this.version?(this.earliest_presentation_time=e.readUint32(),this.first_offset=e.readUint32()):(this.earliest_presentation_time=e.readUint64(),this.first_offset=e.readUint64()),e.readUint16(),this.references=[];for(var t=e.readUint16(),r=0;r<t;r++){var i={};this.references.push(i);var n=e.readUint32();i.reference_type=n>>31&1,i.referenced_size=2147483647&n,i.subsegment_duration=e.readUint32(),n=e.readUint32(),i.starts_with_SAP=n>>31&1,i.SAP_type=n>>28&7,i.SAP_delta_time=268435455&n}})),h.SingleItemTypeReferenceBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBox.prototype=new h.Box,h.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].to_item_ID=e.readUint16()},h.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.SingleItemTypeReferenceBoxLarge.prototype=new h.Box,h.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]={},this.references[r].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(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var n=e.readUint32(),s=0;s<n;s++){var o={};i.ranges.push(o),o.level=e.readUint8(),o.range_size=e.readUint24()}}})),h.createFullBoxCtor("stco",(function(e){var t;if(t=e.readUint32(),this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())})),h.createFullBoxCtor("stdp",(function(e){var t=(this.size-this.hdr_size)/2;this.priority=[];for(var r=0;r<t;r++)this.priority[r]=e.readUint16()})),h.createFullBoxCtor("sthd"),h.createFullBoxCtor("stri",(function(e){this.switch_group=e.readUint16(),this.alternate_group=e.readUint16(),this.sub_track_id=e.readUint32();var t=(this.size-this.hdr_size-8)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("stsc",(function(e){var t,r;if(t=e.readUint32(),this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(r=0;r<t;r++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())})),h.createFullBoxCtor("stsd",(function(e){var t,r,i,n;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;h[r.type+"SampleEntry"]?((n=new h[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,n.start=r.start):(o.warn("BoxParser","Unknown sample entry type: "+r.type),n=new h.SampleEntry(r.type,r.size,r.hdr_size,r.start)),n.write===h.SampleEntry.prototype.write&&(o.info("BoxParser","SampleEntry "+n.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),n.parseDataAndRewind(e)),n.parse(e),this.entries.push(n)}})),h.createFullBoxCtor("stsg",(function(e){this.grouping_type=e.readUint32();var t=e.readUint16();this.group_description_index=[];for(var r=0;r<t;r++)this.group_description_index[r]=e.readUint32()})),h.createFullBoxCtor("stsh",(function(e){var t,r;if(t=e.readUint32(),this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(r=0;r<t;r++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stss",(function(e){var t,r;if(r=e.readUint32(),0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())})),h.createFullBoxCtor("stsz",(function(e){var t;if(this.sample_sizes=[],0===this.version)for(this.sample_size=e.readUint32(),this.sample_count=e.readUint32(),t=0;t<this.sample_count;t++)0===this.sample_size?this.sample_sizes.push(e.readUint32()):this.sample_sizes[t]=this.sample_size})),h.createFullBoxCtor("stts",(function(e){var t,r,i;if(t=e.readUint32(),this.sample_counts=[],this.sample_deltas=[],0===this.version)for(r=0;r<t;r++)this.sample_counts.push(e.readUint32()),(i=e.readInt32())<0&&(o.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),i=1),this.sample_deltas.push(i)})),h.createFullBoxCtor("stvi",(function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,i,n=e.readUint32();for(this.stereo_indication_type=e.readString(n),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==h.OK)return;i=r.box,this.boxes.push(i),this[i.type]=i}})),h.createBoxCtor("styp",(function(e){h.ftypBox.prototype.parse.call(this,e)})),h.createFullBoxCtor("stz2",(function(e){var t,r;if(this.sample_sizes=[],0===this.version)if(this.reserved=e.readUint24(),this.field_size=e.readUint8(),r=e.readUint32(),4===this.field_size)for(t=0;t<r;t+=2){var i=e.readUint8();this.sample_sizes[t]=i>>4&15,this.sample_sizes[t+1]=15&i}else if(8===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint8();else if(16===this.field_size)for(t=0;t<r;t++)this.sample_sizes[t]=e.readUint16();else o.error("BoxParser","Error in length field in stz2 box")})),h.createFullBoxCtor("subs",(function(e){var t,r,i,n;for(i=e.readUint32(),this.entries=[],t=0;t<i;t++){var s={};if(this.entries[t]=s,s.sample_delta=e.readUint32(),s.subsamples=[],(n=e.readUint16())>0)for(r=0;r<n;r++){var o={};s.subsamples.push(o),1==this.version?o.size=e.readUint32():o.size=e.readUint16(),o.priority=e.readUint8(),o.discardable=e.readUint8(),o.codec_specific_parameters=e.readUint32()}}})),h.createFullBoxCtor("tenc",(function(e){if(e.readUint8(),0===this.version)e.readUint8();else{var t=e.readUint8();this.default_crypt_byte_block=t>>4&15,this.default_skip_byte_block=15&t}this.default_isProtected=e.readUint8(),this.default_Per_Sample_IV_Size=e.readUint8(),this.default_KID=h.parseHex16(e),1===this.default_isProtected&&0===this.default_Per_Sample_IV_Size&&(this.default_constant_IV_size=e.readUint8(),this.default_constant_IV=e.readUint8Array(this.default_constant_IV_size))})),h.createFullBoxCtor("tfdt",(function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()})),h.createFullBoxCtor("tfhd",(function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET?(this.base_data_offset=e.readUint64(),t+=8):this.base_data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DESC?(this.default_sample_description_index=e.readUint32(),t+=4):this.default_sample_description_index=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_DUR?(this.default_sample_duration=e.readUint32(),t+=4):this.default_sample_duration=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_SIZE?(this.default_sample_size=e.readUint32(),t+=4):this.default_sample_size=0,this.size-this.hdr_size>t&&this.flags&h.TFHD_FLAG_SAMPLE_FLAGS?(this.default_sample_flags=e.readUint32(),t+=4):this.default_sample_flags=0})),h.createFullBoxCtor("tfra",(function(e){this.track_ID=e.readUint32(),e.readUint24();var t=e.readUint8();this.length_size_of_traf_num=t>>4&3,this.length_size_of_trun_num=t>>2&3,this.length_size_of_sample_num=3&t,this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++)1===this.version?(this.time=e.readUint64(),this.moof_offset=e.readUint64()):(this.time=e.readUint32(),this.moof_offset=e.readUint32()),this.traf_number=e["readUint"+8*(this.length_size_of_traf_num+1)](),this.trun_number=e["readUint"+8*(this.length_size_of_trun_num+1)](),this.sample_number=e["readUint"+8*(this.length_size_of_sample_num+1)]()})),h.createFullBoxCtor("tkhd",(function(e){1==this.version?(this.creation_time=e.readUint64(),this.modification_time=e.readUint64(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint64()):(this.creation_time=e.readUint32(),this.modification_time=e.readUint32(),this.track_id=e.readUint32(),e.readUint32(),this.duration=e.readUint32()),e.readUint32Array(2),this.layer=e.readInt16(),this.alternate_group=e.readInt16(),this.volume=e.readInt16()>>8,e.readUint16(),this.matrix=e.readInt32Array(9),this.width=e.readUint32(),this.height=e.readUint32()})),h.createBoxCtor("tmax",(function(e){this.time=e.readUint32()})),h.createBoxCtor("tmin",(function(e){this.time=e.readUint32()})),h.createBoxCtor("totl",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpay",(function(e){this.bytessent=e.readUint32()})),h.createBoxCtor("tpyl",(function(e){this.bytessent=e.readUint64()})),h.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},h.createTrackGroupCtor("msrc"),h.TrackReferenceTypeBox=function(e,t,r,i){h.Box.call(this,e,t),this.hdr_size=r,this.start=i},h.TrackReferenceTypeBox.prototype=new h.Box,h.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},h.trefBox.prototype.parse=function(e){for(var t,r;e.getPosition()<this.start+this.size;){if((t=h.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==h.OK)return;(r=new h.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===h.Box.prototype.write&&"mdat"!==r.type&&(o.info("BoxParser","TrackReference "+r.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),r.parseDataAndRewind(e)),r.parse(e),this.boxes.push(r)}},h.createFullBoxCtor("trep",(function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if(ret=h.parseOneBox(e,!1,this.size-(e.getPosition()-this.start)),ret.code!==h.OK)return;box=ret.box,this.boxes.push(box)}})),h.createFullBoxCtor("trex",(function(e){this.track_id=e.readUint32(),this.default_sample_description_index=e.readUint32(),this.default_sample_duration=e.readUint32(),this.default_sample_size=e.readUint32(),this.default_sample_flags=e.readUint32()})),h.createBoxCtor("trpy",(function(e){this.bytessent=e.readUint64()})),h.createFullBoxCtor("trun",(function(e){var t=0;if(this.sample_count=e.readUint32(),t+=4,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&h.TRUN_FLAGS_FIRST_FLAG?(this.first_sample_flags=e.readUint32(),t+=4):this.first_sample_flags=0,this.sample_duration=[],this.sample_size=[],this.sample_flags=[],this.sample_composition_time_offset=[],this.size-this.hdr_size>t)for(var r=0;r<this.sample_count;r++)this.flags&h.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())})),h.createFullBoxCtor("tsel",(function(e){this.switch_group=e.readUint32();var t=(this.size-this.hdr_size-4)/4;this.attribute_list=[];for(var r=0;r<t;r++)this.attribute_list[r]=e.readUint32()})),h.createFullBoxCtor("txtC",(function(e){this.config=e.readCString()})),h.createBoxCtor("tyco",(function(e){var t=(this.size-this.hdr_size)/4;this.compatible_brands=[];for(var r=0;r<t;r++)this.compatible_brands[r]=e.readString(4)})),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 r=e.readUint8();this.component_little_endian=r>>7&1,this.block_pad_lsb=r>>6&1,this.block_little_endian=r>>5&1,this.block_reversed=r>>4&1,this.pad_unknown=r>>3&1,this.pixel_size=e.readUint32(),this.row_align_size=e.readUint32(),this.tile_align_size=e.readUint32(),this.num_tile_cols_minus_one=e.readUint32(),this.num_tile_rows_minus_one=e.readUint32()}})),h.createFullBoxCtor("url ",(function(e){1!==this.flags&&(this.location=e.readCString())})),h.createFullBoxCtor("urn ",(function(e){this.name=e.readCString(),this.size-this.hdr_size-this.name.length-1>0&&(this.location=e.readCString())})),h.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,(function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")})),h.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,(function(e){this.system_id=h.parseHex16(e);var t=e.readUint32();t>0&&(this.data=e.readUint8Array(t))})),h.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),h.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,(function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=h.parseHex16(e)})),h.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,(function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,n=0;1===this.version?(i=e.readUint64(),n=e.readUint64()):(i=e.readUint32(),n=e.readUint32()),r.absolute_time=i,r.absolute_duration=n,this.entries.push(r)}})),h.createUUIDBox("6d1d9b0542d544e680e2141daff757b2",!0,!1,(function(e){1===this.version?(this.absolute_time=e.readUint64(),this.duration=e.readUint64()):(this.absolute_time=e.readUint32(),this.duration=e.readUint32())})),h.createFullBoxCtor("vmhd",(function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)})),h.createFullBoxCtor("vpcC",(function(e){var t;1===this.version?(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4,this.chromaSubsampling=t>>1&7,this.videoFullRangeFlag=1&t,this.colourPrimaries=e.readUint8(),this.transferCharacteristics=e.readUint8(),this.matrixCoefficients=e.readUint8(),this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize)):(this.profile=e.readUint8(),this.level=e.readUint8(),t=e.readUint8(),this.bitDepth=t>>4&15,this.colorSpace=15&t,t=e.readUint8(),this.chromaSubsampling=t>>4&15,this.transferFunction=t>>1&7,this.videoFullRangeFlag=1&t,this.codecIntializationDataSize=e.readUint16(),this.codecIntializationData=e.readUint8Array(this.codecIntializationDataSize))})),h.createBoxCtor("vttC",(function(e){this.text=e.readString(this.size-this.hdr_size)})),h.createFullBoxCtor("vvcC",(function(e){var t,r,i={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(i.stream_read_1_bytes(e),i.extract_bits(5),this.lengthSizeMinusOne=i.extract_bits(2),this.ptl_present_flag=i.extract_bits(1),this.ptl_present_flag){if(i.stream_read_2_bytes(e),this.ols_idx=i.extract_bits(9),this.num_sublayers=i.extract_bits(3),this.constant_frame_rate=i.extract_bits(2),this.chroma_format_idc=i.extract_bits(2),i.stream_read_1_bytes(e),this.bit_depth_minus8=i.extract_bits(3),i.extract_bits(5),i.stream_read_2_bytes(e),i.extract_bits(2),this.num_bytes_constraint_info=i.extract_bits(6),this.general_profile_idc=i.extract_bits(7),this.general_tier_flag=i.extract_bits(1),this.general_level_idc=e.readUint8(),i.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=i.extract_bits(1),this.ptl_multilayer_enabled_flag=i.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(t=0;t<this.num_bytes_constraint_info-1;t++){var n=i.extract_bits(6);i.stream_read_1_bytes(e);var s=i.extract_bits(2);this.general_constraint_info[t]=n<<2|s}this.general_constraint_info[this.num_bytes_constraint_info-1]=i.extract_bits(6)}else i.extract_bits(6);if(this.num_sublayers>1){for(i.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,r=this.num_sublayers-2;r>=0;--r){var o=i.extract_bits(1);this.ptl_sublayer_present_mask|=o<<r}for(r=this.num_sublayers;r<=8&&this.num_sublayers>1;++r)i.extract_bits(1);for(this.sublayer_level_idc=[],r=this.num_sublayers-2;r>=0;--r)this.ptl_sublayer_present_mask&1<<r&&(this.sublayer_level_idc[r]=e.readUint8())}if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(t=0;t<this.ptl_num_sub_profiles;t++)this.general_sub_profile_idc.push(e.readUint32());this.max_picture_width=e.readUint16(),this.max_picture_height=e.readUint16(),this.avg_frame_rate=e.readUint16()}this.nalu_arrays=[];var a=e.readUint8();for(t=0;t<a;t++){var d=[];this.nalu_arrays.push(d),i.stream_read_1_bytes(e),d.completeness=i.extract_bits(1),i.extract_bits(2),d.nalu_type=i.extract_bits(5);var l=1;for(13!=d.nalu_type&&12!=d.nalu_type&&(l=e.readUint16()),r=0;r<l;r++){var u=e.readUint16();d.push({data:e.readUint8Array(u),length:u})}}})),h.createFullBoxCtor("vvnC",(function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t})),h.SampleEntry.prototype.isVideo=function(){return!1},h.SampleEntry.prototype.isAudio=function(){return!1},h.SampleEntry.prototype.isSubtitle=function(){return!1},h.SampleEntry.prototype.isMetadata=function(){return!1},h.SampleEntry.prototype.isHint=function(){return!1},h.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},h.SampleEntry.prototype.getWidth=function(){return""},h.SampleEntry.prototype.getHeight=function(){return""},h.SampleEntry.prototype.getChannelCount=function(){return""},h.SampleEntry.prototype.getSampleRate=function(){return""},h.SampleEntry.prototype.getSampleSize=function(){return""},h.VisualSampleEntry.prototype.isVideo=function(){return!0},h.VisualSampleEntry.prototype.getWidth=function(){return this.width},h.VisualSampleEntry.prototype.getHeight=function(){return this.height},h.AudioSampleEntry.prototype.isAudio=function(){return!0},h.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},h.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},h.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},h.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},h.MetadataSampleEntry.prototype.isMetadata=function(){return!0},h.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?t=2:t;r.length<t;)r="0"+r;return r},h.avc1SampleEntry.prototype.getCodec=h.avc2SampleEntry.prototype.getCodec=h.avc3SampleEntry.prototype.getCodec=h.avc4SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+h.decimalToHex(this.avcC.AVCProfileIndication)+h.decimalToHex(this.avcC.profile_compatibility)+h.decimalToHex(this.avcC.AVCLevelIndication):e},h.hev1SampleEntry.prototype.getCodec=h.hvc1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(t+=".",this.hvcC.general_profile_space){case 0:t+="";break;case 1:t+="A";break;case 2:t+="B";break;case 3:t+="C"}t+=this.hvcC.general_profile_idc,t+=".";var r=this.hvcC.general_profile_compatibility,i=0;for(e=0;e<32&&(i|=1&r,31!=e);e++)i<<=1,r>>=1;t+=h.decimalToHex(i,0),t+=".",0===this.hvcC.general_tier_flag?t+="L":t+="H",t+=this.hvcC.general_level_idc;var n=!1,s="";for(e=5;e>=0;e--)(this.hvcC.general_constraint_indicator[e]||n)&&(s="."+h.decimalToHex(this.hvcC.general_constraint_indicator[e],0)+s,n=!0);t+=s}return t},h.vvc1SampleEntry.prototype.getCodec=h.vvi1SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){t+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?t+=".H":t+=".L",t+=this.vvcC.general_level_idc;var r="";if(this.vvcC.general_constraint_info){var i,n=[],s=0;for(s|=this.vvcC.ptl_frame_only_constraint<<7,s|=this.vvcC.ptl_multilayer_enabled<<6,e=0;e<this.vvcC.general_constraint_info.length;++e)s|=this.vvcC.general_constraint_info[e]>>2&63,n.push(s),s&&(i=e),s=this.vvcC.general_constraint_info[e]>>2&3;if(void 0===i)r=".CA";else{r=".C";var o="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",a=0,d=0;for(e=0;e<=i;++e)for(a=a<<8|n[e],d+=8;d>=5;){r+=o[a>>d-5&31],a&=(1<<(d-=5))-1}d&&(r+=o[31&(a<<=5-d)])}}t+=r}return t},h.mp4aSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);if(this.esds&&this.esds.esd){var t=this.esds.esd.getOTI(),r=this.esds.esd.getAudioConfig();return e+"."+h.decimalToHex(t)+(r?"."+r:"")}return e},h.stxtSampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},h.vp08SampleEntry.prototype.getCodec=h.vp09SampleEntry.prototype.getCodec=function(){var e=h.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level;0==t&&(t="00");var r=this.vpcC.bitDepth;return 8==r&&(r="08"),e+".0"+this.vpcC.profile+"."+t+"."+r},h.av01SampleEntry.prototype.getCodec=function(){var e,t=h.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return r<10&&(r="0"+r),2===this.av1C.seq_profile&&1===this.av1C.high_bitdepth?e=1===this.av1C.twelve_bit?"12":"10":this.av1C.seq_profile<=2&&(e=1===this.av1C.high_bitdepth?"10":"08"),t+"."+this.av1C.seq_profile+"."+r+(this.av1C.seq_tier_0?"H":"M")+"."+e},h.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>l&&(this.size+=8),"uuid"===this.type&&(this.size+=16),o.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>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);o.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;o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.elngBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=this.extended_language.length,this.writeHeader(e),e.writeString(this.extended_language)},h.elstBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+12*this.entries.length,this.writeHeader(e),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeUint32(r.segment_duration),e.writeInt32(r.media_time),e.writeInt16(r.media_rate_integer),e.writeInt16(r.media_rate_fraction)}},h.emsgBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=16+this.message_data.length+(this.scheme_id_uri.length+1)+(this.value.length+1),this.writeHeader(e),e.writeCString(this.scheme_id_uri),e.writeCString(this.value),e.writeUint32(this.timescale),e.writeUint32(this.presentation_time_delta),e.writeUint32(this.event_duration),e.writeUint32(this.id),e.writeUint8Array(this.message_data)},h.ftypBox.prototype.write=function(e){this.size=8+4*this.compatible_brands.length,this.writeHeader(e),e.writeString(this.major_brand,null,4),e.writeUint32(this.minor_version);for(var t=0;t<this.compatible_brands.length;t++)e.writeString(this.compatible_brands[t],null,4)},h.hdlrBox.prototype.write=function(e){this.size=20+this.name.length+1,this.version=0,this.flags=0,this.writeHeader(e),e.writeUint32(0),e.writeString(this.handler,null,4),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeCString(this.name)},h.hvcCBox.prototype.write=function(e){var t,r;for(this.size=23,t=0;t<this.nalu_arrays.length;t++)for(this.size+=3,r=0;r<this.nalu_arrays[t].length;r++)this.size+=2+this.nalu_arrays[t][r].data.length;for(this.writeHeader(e),e.writeUint8(this.configurationVersion),e.writeUint8(this.general_profile_space<<6+this.general_tier_flag<<5+this.general_profile_idc),e.writeUint32(this.general_profile_compatibility),e.writeUint8Array(this.general_constraint_indicator),e.writeUint8(this.general_level_idc),e.writeUint16(this.min_spatial_segmentation_idc+(15<<24)),e.writeUint8(this.parallelismType+252),e.writeUint8(this.chroma_format_idc+252),e.writeUint8(this.bit_depth_luma_minus8+248),e.writeUint8(this.bit_depth_chroma_minus8+248),e.writeUint16(this.avgFrameRate),e.writeUint8((this.constantFrameRate<<6)+(this.numTemporalLayers<<3)+(this.temporalIdNested<<2)+this.lengthSizeMinusOne),e.writeUint8(this.nalu_arrays.length),t=0;t<this.nalu_arrays.length;t++)for(e.writeUint8((this.nalu_arrays[t].completeness<<7)+this.nalu_arrays[t].nalu_type),e.writeUint16(this.nalu_arrays[t].length),r=0;r<this.nalu_arrays[t].length;r++)e.writeUint16(this.nalu_arrays[t][r].data.length),e.writeUint8Array(this.nalu_arrays[t][r].data)},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;o.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,o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.VisualSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=70,e.writeUint16(0),e.writeUint16(0),e.writeUint32(0),e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.width),e.writeUint16(this.height),e.writeUint32(this.horizresolution),e.writeUint32(this.vertresolution),e.writeUint32(0),e.writeUint16(this.frame_count),e.writeUint8(Math.min(31,this.compressorname.length)),e.writeString(this.compressorname,null,31),e.writeUint16(this.depth),e.writeInt16(-1),this.writeFooter(e)},h.AudioSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=20,e.writeUint32(0),e.writeUint32(0),e.writeUint16(this.channel_count),e.writeUint16(this.samplesize),e.writeUint16(0),e.writeUint16(0),e.writeUint32(this.samplerate<<16),this.writeFooter(e)},h.stppSampleEntry.prototype.write=function(e){this.writeHeader(e),this.size+=this.namespace.length+1+this.schema_location.length+1+this.auxiliary_mime_types.length+1,e.writeCString(this.namespace),e.writeCString(this.schema_location),e.writeCString(this.auxiliary_mime_types),this.writeFooter(e)},h.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},h.sbgpBox.prototype.write=function(e){this.version=1,this.flags=0,this.size=12+8*this.entries.length,this.writeHeader(e),e.writeString(this.grouping_type,null,4),e.writeUint32(this.grouping_type_parameter),e.writeUint32(this.entries.length);for(var t=0;t<this.entries.length;t++){var r=this.entries[t];e.writeInt32(r.sample_count),e.writeInt32(r.group_description_index)}},h.sgpdBox.prototype.write=function(e){var t,r;for(this.flags=0,this.size=12,t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&(0===this.default_length&&(this.size+=4),this.size+=r.data.length);for(this.writeHeader(e),e.writeString(this.grouping_type,null,4),1===this.version&&e.writeUint32(this.default_length),this.version>=2&&e.writeUint32(this.default_sample_description_index),e.writeUint32(this.entries.length),t=0;t<this.entries.length;t++)r=this.entries[t],1===this.version&&0===this.default_length&&e.writeUint32(r.description_length),r.write(e)},h.sidxBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20+12*this.references.length,this.writeHeader(e),e.writeUint32(this.reference_ID),e.writeUint32(this.timescale),e.writeUint32(this.earliest_presentation_time),e.writeUint32(this.first_offset),e.writeUint16(0),e.writeUint16(this.references.length);for(var t=0;t<this.references.length;t++){var r=this.references[t];e.writeUint32(r.reference_type<<31|r.referenced_size),e.writeUint32(r.subsegment_duration),e.writeUint32(r.starts_with_SAP<<31|r.SAP_type<<28|r.SAP_delta_time)}},h.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},h.stcoBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.chunk_offsets.length,this.writeHeader(e),e.writeUint32(this.chunk_offsets.length),e.writeUint32Array(this.chunk_offsets)},h.stscBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+12*this.first_chunk.length,this.writeHeader(e),e.writeUint32(this.first_chunk.length),t=0;t<this.first_chunk.length;t++)e.writeUint32(this.first_chunk[t]),e.writeUint32(this.samples_per_chunk[t]),e.writeUint32(this.sample_description_index[t])},h.stsdBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=0,this.writeHeader(e),e.writeUint32(this.entries.length),this.size+=4,t=0;t<this.entries.length;t++)this.entries[t].write(e),this.size+=this.entries[t].size;o.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},h.stshBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.shadowed_sample_numbers.length,this.writeHeader(e),e.writeUint32(this.shadowed_sample_numbers.length),t=0;t<this.shadowed_sample_numbers.length;t++)e.writeUint32(this.shadowed_sample_numbers[t]),e.writeUint32(this.sync_sample_numbers[t])},h.stssBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4+4*this.sample_numbers.length,this.writeHeader(e),e.writeUint32(this.sample_numbers.length),e.writeUint32Array(this.sample_numbers)},h.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,this.flags=0,this.sample_sizes.length>0)for(t=0;t+1<this.sample_sizes.length;){if(this.sample_sizes[t+1]!==this.sample_sizes[0]){r=!1;break}t++}else r=!1;this.size=8,r||(this.size+=4*this.sample_sizes.length),this.writeHeader(e),r?e.writeUint32(this.sample_sizes[0]):e.writeUint32(0),e.writeUint32(this.sample_sizes.length),r||e.writeUint32Array(this.sample_sizes)},h.sttsBox.prototype.write=function(e){var t;for(this.version=0,this.flags=0,this.size=4+8*this.sample_counts.length,this.writeHeader(e),e.writeUint32(this.sample_counts.length),t=0;t<this.sample_counts.length;t++)e.writeUint32(this.sample_counts[t]),e.writeUint32(this.sample_deltas[t])},h.tfdtBox.prototype.write=function(e){var t=Math.pow(2,32)-1;this.version=this.baseMediaDecodeTime>t?1:0,this.flags=0,this.size=4,1===this.version&&(this.size+=4),this.writeHeader(e),1===this.version?e.writeUint64(this.baseMediaDecodeTime):e.writeUint32(this.baseMediaDecodeTime)},h.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&h.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&h.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&h.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&h.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&h.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},h.tkhdBox.prototype.write=function(e){this.version=0,this.size=80,this.writeHeader(e),e.writeUint32(this.creation_time),e.writeUint32(this.modification_time),e.writeUint32(this.track_id),e.writeUint32(0),e.writeUint32(this.duration),e.writeUint32(0),e.writeUint32(0),e.writeInt16(this.layer),e.writeInt16(this.alternate_group),e.writeInt16(this.volume<<8),e.writeUint16(0),e.writeInt32Array(this.matrix),e.writeUint32(this.width),e.writeUint32(this.height)},h.trexBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=20,this.writeHeader(e),e.writeUint32(this.track_id),e.writeUint32(this.default_sample_description_index),e.writeUint32(this.default_sample_duration),e.writeUint32(this.default_sample_size),e.writeUint32(this.default_sample_flags)},h.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&h.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&h.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&h.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&h.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&h.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&h.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&h.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&h.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&h.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},h["url Box"].prototype.write=function(e){this.version=0,this.location?(this.flags=0,this.size=this.location.length+1):(this.flags=1,this.size=0),this.writeHeader(e),this.location&&e.writeCString(this.location)},h["urn Box"].prototype.write=function(e){this.version=0,this.flags=0,this.size=this.name.length+1+(this.location?this.location.length+1:0),this.writeHeader(e),e.writeCString(this.name),this.location&&e.writeCString(this.location)},h.vmhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=8,this.writeHeader(e),e.writeUint16(this.graphicsmode),e.writeUint16Array(this.opcolor)},h.cttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].pts=e[i].dts+this.sample_offsets[t],i++},h.sttsBox.prototype.unpack=function(e){var t,r,i;for(i=0,t=0;t<this.sample_counts.length;t++)for(r=0;r<this.sample_counts[t];r++)e[i].dts=0===i?0:e[i-1].dts+this.sample_deltas[t],i++},h.stcoBox.prototype.unpack=function(e){var t;for(t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},h.stscBox.prototype.unpack=function(e){var t,r,i,n,s;for(n=0,s=0,t=0;t<this.first_chunk.length;t++)for(r=0;r<(t+1<this.first_chunk.length?this.first_chunk[t+1]:1/0);r++)for(s++,i=0;i<this.samples_per_chunk[t];i++){if(!e[n])return;e[n].description_index=this.sample_description_index[t],e[n].chunk_index=s,n++}},h.stszBox.prototype.unpack=function(e){var t;for(t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},h.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES=["compatible_brands","matrix","opcolor","sample_counts","sample_counts","sample_deltas","first_chunk","samples_per_chunk","sample_sizes","chunk_offsets","sample_offsets","sample_description_index","sample_duration"],h.boxEqualFields=function(e,t){if(e&&!t)return!1;var r;for(r in e)if(!(h.DIFF_BOXES_PROP_NAMES.indexOf(r)>-1||e[r]instanceof h.Box||t[r]instanceof h.Box||void 0===e[r]||void 0===t[r]||"function"==typeof e[r]||"function"==typeof t[r]||e.subBoxNames&&e.subBoxNames.indexOf(r.slice(0,4))>-1||t.subBoxNames&&t.subBoxNames.indexOf(r.slice(0,4))>-1||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||h.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)>-1||e[r]===t[r]))return!1;return!0},h.boxEqual=function(e,t){if(!h.boxEqualFields(e,t))return!1;for(var r=0;r<h.DIFF_BOXES_PROP_NAMES.length;r++){var i=h.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!h.boxEqual(e[i],t[i]))return!1}return!0};var m=function(){};m.prototype.parseSample=function(e){var t,r={};r.resources=[];var i=new a(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),e.subsamples.length>1)for(t=1;t<e.subsamples.length;t++)r.resources[t]=i.readUint8Array(e.subsamples[t].size)}else r.documentString=i.readString(e.data.length);return"undefined"!=typeof DOMParser&&(r.document=(new DOMParser).parseFromString(r.documentString,"application/xml")),r};var g=function(){};g.prototype.parseSample=function(e){return new a(e.data.buffer).readString(e.data.length)},g.prototype.parseConfig=function(e){var t=new a(e.buffer);return t.readUint32(),t.readCString()},t.XMLSubtitlein4Parser=m,t.Textin4Parser=g;var _=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};_.prototype.setSegmentOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var n={};this.fragmentedTracks.push(n),n.id=e,n.user=t,n.trak=i,i.nextSample=0,n.segmentStream=null,n.nb_samples=1e3,n.rapAlignement=!0,r&&(r.nbSamples&&(n.nb_samples=r.nbSamples),r.rapAlignement&&(n.rapAlignement=r.rapAlignement))}},_.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++){this.fragmentedTracks[r].id==e&&(t=r)}t>-1&&this.fragmentedTracks.splice(t,1)},_.prototype.setExtractionOptions=function(e,t,r){var i=this.getTrackById(e);if(i){var n={};this.extractedTracks.push(n),n.id=e,n.user=t,n.trak=i,i.nextSample=0,n.nb_samples=1e3,n.samples=[],r&&r.nbSamples&&(n.nb_samples=r.nbSamples)}},_.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++){this.extractedTracks[r].id==e&&(t=r)}t>-1&&this.extractedTracks.splice(t,1)},_.prototype.parse=function(){var e,t;if(!this.restoreParsePosition||this.restoreParsePosition())for(;;){if(this.hasIncompleteMdat&&this.hasIncompleteMdat()){if(this.processIncompleteMdat())continue;return}if(this.saveParsePosition&&this.saveParsePosition(),(e=h.parseOneBox(this.stream,false)).code===h.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var r;switch(r="uuid"!==(t=e.box).type?t.type:t.uuid,this.boxes.push(t),r){case"mdat":this.mdats.push(t);break;case"moof":this.moofs.push(t);break;case"moov":this.moovStartFound=!0,0===this.mdats.length&&(this.isProgressive=!0);default:void 0!==this[r]&&o.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},_.prototype.checkBuffer=function(e){if(null==e)throw"Buffer must be defined and non empty";if(void 0===e.fileStart)throw"Buffer must have a fileStart property";return 0===e.byteLength?(o.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(o.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(o.warn("ISOFile","Not ready to start parsing"),!1))},_.prototype.appendBuffer=function(e,t){var r;if(this.checkBuffer(e))return this.parse(),this.moovStartFound&&!this.moovStartSent&&(this.moovStartSent=!0,this.onMoovStart&&this.onMoovStart()),this.moov?(this.sampleListBuilt||(this.buildSampleLists(),this.sampleListBuilt=!0),this.updateSampleLists(),this.onReady&&!this.readySent&&(this.readySent=!0,this.onReady(this.getInfo())),this.processSamples(t),this.nextSeekPosition?(r=this.nextSeekPosition,this.nextSeekPosition=void 0):r=this.nextParsePosition,this.stream.getEndFilePositionAfter&&(r=this.stream.getEndFilePositionAfter(r))):r=this.nextParsePosition?this.nextParsePosition:0,this.sidx&&this.onSidx&&!this.sidxSent&&(this.onSidx(this.sidx),this.sidxSent=!0),this.meta&&(this.flattenItemInfo&&!this.itemListBuilt&&(this.flattenItemInfo(),this.itemListBuilt=!0),this.processItems&&this.processItems(this.onItem)),this.stream.cleanBuffers&&(o.info("ISOFile","Done processing buffer (fileStart: "+e.fileStart+") - next buffer to fetch should have a fileStart position of "+r),this.stream.logBufferLevel(),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},_.prototype.getInfo=function(){var e,t,r,i,n,s,o={},a=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(o.hasMoov=!0,o.duration=this.moov.mvhd.duration,o.timescale=this.moov.mvhd.timescale,o.isFragmented=null!=this.moov.mvex,o.isFragmented&&this.moov.mvex.mehd&&(o.fragment_duration=this.moov.mvex.mehd.fragment_duration),o.isProgressive=this.isProgressive,o.hasIOD=null!=this.moov.iods,o.brands=[],o.brands.push(this.ftyp.major_brand),o.brands=o.brands.concat(this.ftyp.compatible_brands),o.created=new Date(a+1e3*this.moov.mvhd.creation_time),o.modified=new Date(a+1e3*this.moov.mvhd.modification_time),o.tracks=[],o.audioTracks=[],o.videoTracks=[],o.subtitleTracks=[],o.metadataTracks=[],o.hintTracks=[],o.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(s=(r=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],i={},o.tracks.push(i),i.id=r.tkhd.track_id,i.name=r.mdia.hdlr.name,i.references=[],r.tref)for(t=0;t<r.tref.boxes.length;t++)n={},i.references.push(n),n.type=r.tref.boxes[t].type,n.track_ids=r.tref.boxes[t].track_ids;r.edts&&(i.edits=r.edts.elst.entries),i.created=new Date(a+1e3*r.tkhd.creation_time),i.modified=new Date(a+1e3*r.tkhd.modification_time),i.movie_duration=r.tkhd.duration,i.movie_timescale=o.timescale,i.layer=r.tkhd.layer,i.alternate_group=r.tkhd.alternate_group,i.volume=r.tkhd.volume,i.matrix=r.tkhd.matrix,i.track_width=r.tkhd.width/65536,i.track_height=r.tkhd.height/65536,i.timescale=r.mdia.mdhd.timescale,i.cts_shift=r.mdia.minf.stbl.cslg,i.duration=r.mdia.mdhd.duration,i.samples_duration=r.samples_duration,i.codec=s.getCodec(),i.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},i.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,i.nb_samples=r.samples.length,i.size=r.samples_size,i.bitrate=8*i.size*i.timescale/i.samples_duration,s.isAudio()?(i.type="audio",o.audioTracks.push(i),i.audio={},i.audio.sample_rate=s.getSampleRate(),i.audio.channel_count=s.getChannelCount(),i.audio.sample_size=s.getSampleSize()):s.isVideo()?(i.type="video",o.videoTracks.push(i),i.video={},i.video.width=s.getWidth(),i.video.height=s.getHeight()):s.isSubtitle()?(i.type="subtitles",o.subtitleTracks.push(i)):s.isHint()?(i.type="metadata",o.hintTracks.push(i)):s.isMetadata()?(i.type="metadata",o.metadataTracks.push(i)):(i.type="metadata",o.otherTracks.push(i))}else o.hasMoov=!1;if(o.mime="",o.hasMoov&&o.tracks){for(o.videoTracks&&o.videoTracks.length>0?o.mime+='video/mp4; codecs="':o.audioTracks&&o.audioTracks.length>0?o.mime+='audio/mp4; codecs="':o.mime+='application/mp4; codecs="',e=0;e<o.tracks.length;e++)0!==e&&(o.mime+=","),o.mime+=o.tracks[e].codec;o.mime+='"; profiles="',o.mime+=this.ftyp.compatible_brands.join(),o.mime+='"'}return o},_.prototype.setNextSeekPositionFromSample=function(e){e&&(this.nextSeekPosition?this.nextSeekPosition=Math.min(e.offset+e.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=e.offset+e.alreadyRead)},_.prototype.processSamples=function(e){var t,r;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++){var i=this.fragmentedTracks[t];for(r=i.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Creating media fragment on track #"+i.id+" for sample "+r.nextSample);var n=this.createFragment(i.id,r.nextSample,i.segmentStream);if(!n)break;if(i.segmentStream=n,r.nextSample++,(r.nextSample%i.nb_samples==0||e||r.nextSample>=r.samples.length)&&(o.info("ISOFile","Sending fragmented data on track #"+i.id+" for samples ["+Math.max(0,r.nextSample-i.nb_samples)+","+(r.nextSample-1)+"]"),o.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(i.id,i.user,i.segmentStream.buffer,r.nextSample,e||r.nextSample>=r.samples.length),i.segmentStream=null,i!==this.fragmentedTracks[t]))break}}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var s=this.extractedTracks[t];for(r=s.trak;r.nextSample<r.samples.length&&this.sampleProcessingStarted;){o.debug("ISOFile","Exporting on track #"+s.id+" sample #"+r.nextSample);var a=this.getSample(r,r.nextSample);if(!a){this.setNextSeekPositionFromSample(r.samples[r.nextSample]);break}if(r.nextSample++,s.samples.push(a),(r.nextSample%s.nb_samples==0||r.nextSample>=r.samples.length)&&(o.debug("ISOFile","Sending samples on track #"+s.id+" for sample "+r.nextSample),this.onSamples&&this.onSamples(s.id,s.user,s.samples),s.samples=[],s!==this.extractedTracks[t]))break}}}},_.prototype.getBox=function(e){var t=this.getBoxes(e,!0);return t.length?t[0]:null},_.prototype.getBoxes=function(e,t){var r=[];return _._sweep.call(this,e,r,t),r},_._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;_._sweep.call(this.boxes[i],e,t,r)}},_.prototype.getTrackSamplesInfo=function(e){var t=this.getTrackById(e);return t?t.samples:void 0},_.prototype.getTrackSample=function(e,t){var r=this.getTrackById(e);return this.getSample(r,t)},_.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var n=i.lastValidSample;n<t;n++)r+=this.releaseSample(i,n);o.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},_.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},_.prototype.stop=function(){this.sampleProcessingStarted=!1},_.prototype.flush=function(){o.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},_.prototype.seekTrack=function(e,t,r){var i,n,s,a,d=0,l=0;if(0===r.samples.length)return o.info("ISOFile","No sample in track, cannot seek! Using time "+o.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(n=r.samples[i],0===i)l=0,a=n.timescale;else if(n.cts>e*n.timescale){l=i-1;break}t&&n.is_sync&&(d=i)}for(t&&(l=d),e=r.samples[l].cts,r.nextSample=l;r.samples[l].alreadyRead===r.samples[l].size&&r.samples[l+1];)l++;return s=r.samples[l].offset+r.samples[l].alreadyRead,o.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+o.getDurationString(e,a)+" and offset: "+s),{offset:s,time:e/a}},_.prototype.getTrackDuration=function(e){var t;return e.samples?((t=e.samples[e.samples.length-1]).cts+t.duration)/t.timescale:1/0},_.prototype.seek=function(e,t){var r,i,n,s=this.moov,a={offset:1/0,time:1/0};if(this.moov){for(n=0;n<s.traks.length;n++)r=s.traks[n],e>this.getTrackDuration(r)||((i=this.seekTrack(e,t,r)).offset<a.offset&&(a.offset=i.offset),i.time<a.time&&(a.time=i.time));return o.info("ISOFile","Seeking at time "+o.getDurationString(a.time,1)+" needs a buffer with a fileStart position of "+a.offset),a.offset===1/0?a={offset:this.nextParsePosition,time:0}:a.offset=this.stream.getEndFilePositionAfter(a.offset),o.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+a.offset),a}throw"Cannot seek: moov not received!"},_.prototype.equal=function(e){for(var t=0;t<this.boxes.length&&t<e.boxes.length;){var r=this.boxes[t],i=e.boxes[t];if(!h.boxEqual(r,i))return!1;t++}return!0},t.ISOFile=_,_.prototype.lastBoxStartPosition=0,_.prototype.parsingMdat=null,_.prototype.nextParsePosition=0,_.prototype.discardMdatData=!1,_.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))},_.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},_.prototype.processIncompleteMdat=function(){var e;return e=this.parsingMdat,this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(o.debug("ISOFile","Found 'mdat' end in buffered data"),this.parsingMdat=null,!0):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},_.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},_.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},_.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))},_.prototype.add=h.Box.prototype.add,_.prototype.addBox=h.Box.prototype.addBox,_.prototype.init=function(e){var t=e||{};this.add("ftyp").set("major_brand",t.brands&&t.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",t.brands||["iso4"]);var r=this.add("moov");return r.add("mvhd").set("timescale",t.timescale||600).set("rate",t.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",t.duration||0).set("volume",t.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),r.add("mvex"),this},_.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{};t.width=t.width||320,t.height=t.height||320,t.id=t.id||this.moov.mvhd.next_track_id,t.type=t.type||"avc1";var r=this.moov.add("trak");this.moov.mvhd.next_track_id=t.id+1,r.add("tkhd").set("flags",h.TKHD_FLAG_ENABLED|h.TKHD_FLAG_IN_MOVIE|h.TKHD_FLAG_IN_PREVIEW).set("creation_time",0).set("modification_time",0).set("track_id",t.id).set("duration",t.duration||0).set("layer",t.layer||0).set("alternate_group",0).set("volume",1).set("matrix",[0,0,0,0,0,0,0,0,0]).set("width",t.width<<16).set("height",t.height<<16);var i=r.add("mdia");i.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),i.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),i.add("elng").set("extended_language",t.language||"fr-FR");var n=i.add("minf");if(void 0!==h[t.type+"SampleEntry"]){var s=new h[t.type+"SampleEntry"];s.data_reference_index=1;var o="";for(var d in h.sampleEntryCodes)for(var l=h.sampleEntryCodes[d],u=0;u<l.length;u++)if(l.indexOf(t.type)>-1){o=d;break}switch(o){case"Visual":if(n.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),s.set("width",t.width).set("height",t.height).set("horizresolution",72<<16).set("vertresolution",72<<16).set("frame_count",1).set("compressorname",t.type+" Compressor").set("depth",24),t.avcDecoderConfigRecord){var c=new h.avcCBox;c.parse(new a(t.avcDecoderConfigRecord)),s.addBox(c)}else if(t.hevcDecoderConfigRecord){var f=new h.hvcCBox;f.parse(new a(t.hevcDecoderConfigRecord)),s.addBox(f)}break;case"Audio":n.add("smhd").set("balance",t.balance||0),s.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":n.add("hmhd");break;case"Subtitle":if(n.add("sthd"),"stpp"===t.type)s.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:n.add("nmhd")}t.description&&s.addBox(t.description),t.description_boxes&&t.description_boxes.forEach((function(e){s.addBox(e)})),n.add("dinf").add("dref").addEntry((new h["url Box"]).set("flags",1));var p=n.add("stbl");return p.add("stsd").addEntry(s),p.add("stts").set("sample_counts",[]).set("sample_deltas",[]),p.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),p.add("stco").set("chunk_offsets",[]),p.add("stsz").set("sample_sizes",[]),this.moov.mvex.add("trex").set("track_id",t.id).set("default_sample_description_index",t.default_sample_description_index||1).set("default_sample_duration",t.default_sample_duration||0).set("default_sample_size",t.default_sample_size||0).set("default_sample_flags",t.default_sample_flags||0),this.buildTrakSampleLists(r),t.id}},h.Box.prototype.computeSize=function(e){var t=e||new d;t.endianness=d.BIG_ENDIAN,this.write(t)},_.prototype.addSample=function(e,t,r){var i=r||{},n={},s=this.getTrackById(e);if(null!==s){n.number=s.samples.length,n.track_id=s.tkhd.track_id,n.timescale=s.mdia.mdhd.timescale,n.description_index=i.sample_description_index?i.sample_description_index-1:0,n.description=s.mdia.minf.stbl.stsd.entries[n.description_index],n.data=t,n.size=t.byteLength,n.alreadyRead=n.size,n.duration=i.duration||1,n.cts=i.cts||0,n.dts=i.dts||0,n.is_sync=i.is_sync||!1,n.is_leading=i.is_leading||0,n.depends_on=i.depends_on||0,n.is_depended_on=i.is_depended_on||0,n.has_redundancy=i.has_redundancy||0,n.degradation_priority=i.degradation_priority||0,n.offset=0,n.subsamples=i.subsamples,s.samples.push(n),s.samples_size+=n.size,s.samples_duration+=n.duration,void 0===s.first_dts&&(s.first_dts=i.dts),this.processSamples();var o=this.createSingleSampleMoof(n);return this.addBox(o),o.computeSize(),o.trafs[0].truns[0].data_offset=o.size+8,this.add("mdat").data=new Uint8Array(t),n}},_.prototype.createSingleSampleMoof=function(e){var t=0;t=e.is_sync?1<<25:65536;var r=new h.moofBox;r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++;var i=r.add("traf"),n=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(n.first_dts||0)),i.add("trun").set("flags",h.TRUN_FLAGS_DATA_OFFSET|h.TRUN_FLAGS_DURATION|h.TRUN_FLAGS_SIZE|h.TRUN_FLAGS_FLAGS|h.TRUN_FLAGS_CTS_OFFSET).set("data_offset",0).set("first_sample_flags",0).set("sample_count",1).set("sample_duration",[e.duration]).set("sample_size",[e.size]).set("sample_flags",[t]).set("sample_composition_time_offset",[e.cts-e.dts]),r},_.prototype.lastMoofIndex=0,_.prototype.samplesDataSize=0,_.prototype.resetTables=function(){var e,t,r,i,n,s;for(this.initial_duration=this.moov.mvhd.duration,this.moov.mvhd.duration=0,e=0;e<this.moov.traks.length;e++){(t=this.moov.traks[e]).tkhd.duration=0,t.mdia.mdhd.duration=0,(t.mdia.minf.stbl.stco||t.mdia.minf.stbl.co64).chunk_offsets=[],(r=t.mdia.minf.stbl.stsc).first_chunk=[],r.samples_per_chunk=[],r.sample_description_index=[],(t.mdia.minf.stbl.stsz||t.mdia.minf.stbl.stz2).sample_sizes=[],(i=t.mdia.minf.stbl.stts).sample_counts=[],i.sample_deltas=[],(n=t.mdia.minf.stbl.ctts)&&(n.sample_counts=[],n.sample_offsets=[]),s=t.mdia.minf.stbl.stss;var o=t.mdia.minf.stbl.boxes.indexOf(s);-1!=o&&(t.mdia.minf.stbl.boxes[o]=null)}},_.initSampleGroups=function(e,t,r,i,n){var s,o,a,d;function l(e,t,r){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(t&&(t.sample_groups_info=[]),e.sample_groups_info||(e.sample_groups_info=[]),o=0;o<r.length;o++){for(d=r[o].grouping_type+"/"+r[o].grouping_type_parameter,a=new l(r[o].grouping_type,r[o].grouping_type_parameter,r[o]),t&&(t.sample_groups_info[d]=a),e.sample_groups_info[d]||(e.sample_groups_info[d]=a),s=0;s<i.length;s++)i[s].grouping_type===r[o].grouping_type&&(a.description=i[s],a.description.used=!0);if(n)for(s=0;s<n.length;s++)n[s].grouping_type===r[o].grouping_type&&(a.fragment_description=n[s],a.fragment_description.used=!0,a.is_fragment=!0)}if(t){if(n)for(o=0;o<n.length;o++)!n[o].used&&n[o].version>=2&&(d=n[o].grouping_type+"/0",(a=new l(n[o].grouping_type,0)).is_fragment=!0,t.sample_groups_info[d]||(t.sample_groups_info[d]=a))}else for(o=0;o<i.length;o++)!i[o].used&&i[o].version>=2&&(d=i[o].grouping_type+"/0",a=new l(i[o].grouping_type,0),e.sample_groups_info[d]||(e.sample_groups_info[d]=a))},_.setSampleGroupProperties=function(e,t,r,i){var n,s;for(n in t.sample_groups=[],i){var o;if(t.sample_groups[n]={},t.sample_groups[n].grouping_type=i[n].grouping_type,t.sample_groups[n].grouping_type_parameter=i[n].grouping_type_parameter,r>=i[n].last_sample_in_run&&(i[n].last_sample_in_run<0&&(i[n].last_sample_in_run=0),i[n].entry_index++,i[n].entry_index<=i[n].sbgp.entries.length-1&&(i[n].last_sample_in_run+=i[n].sbgp.entries[i[n].entry_index].sample_count)),i[n].entry_index<=i[n].sbgp.entries.length-1?t.sample_groups[n].group_description_index=i[n].sbgp.entries[i[n].entry_index].group_description_index:t.sample_groups[n].group_description_index=-1,0!==t.sample_groups[n].group_description_index)o=i[n].fragment_description?i[n].fragment_description:i[n].description,t.sample_groups[n].group_description_index>0?(s=t.sample_groups[n].group_description_index>65535?(t.sample_groups[n].group_description_index>>16)-1:t.sample_groups[n].group_description_index-1,o&&s>=0&&(t.sample_groups[n].description=o.entries[s])):o&&o.version>=2&&o.default_group_description_index>0&&(t.sample_groups[n].description=o.entries[o.default_group_description_index-1])}},_.process_sdtp=function(e,t,r){t&&(e?(t.is_leading=e.is_leading[r],t.depends_on=e.sample_depends_on[r],t.is_depended_on=e.sample_is_depended_on[r],t.has_redundancy=e.sample_has_redundancy[r]):(t.is_leading=0,t.depends_on=0,t.is_depended_on=0,t.has_redundancy=0))},_.prototype.buildSampleLists=function(){var e,t;for(e=0;e<this.moov.traks.length;e++)t=this.moov.traks[e],this.buildTrakSampleLists(t)},_.prototype.buildTrakSampleLists=function(e){var t,r,i,n,s,o,a,d,l,u,c,h,f,p,m,g,y,v,b,w,E,S,A,U;if(e.samples=[],e.samples_duration=0,e.samples_size=0,r=e.mdia.minf.stbl.stco||e.mdia.minf.stbl.co64,i=e.mdia.minf.stbl.stsc,n=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,s=e.mdia.minf.stbl.stts,o=e.mdia.minf.stbl.ctts,a=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,v=-1,b=-1,w=-1,E=-1,S=0,A=0,U=0,_.initSampleGroups(e,null,u,c),void 0!==n){for(t=0;t<n.sample_sizes.length;t++){var x={};x.number=t,x.track_id=e.tkhd.track_id,x.timescale=e.mdia.mdhd.timescale,x.alreadyRead=0,e.samples[t]=x,x.size=n.sample_sizes[t],e.samples_size+=x.size,0===t?(p=1,f=0,x.chunk_index=p,x.chunk_run_index=f,y=i.samples_per_chunk[f],g=0,m=f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0):t<y?(x.chunk_index=p,x.chunk_run_index=f):(p++,x.chunk_index=p,g=0,p<=m||(m=++f+1<i.first_chunk.length?i.first_chunk[f+1]-1:1/0),x.chunk_run_index=f,y+=i.samples_per_chunk[f]),x.description_index=i.sample_description_index[x.chunk_run_index]-1,x.description=d.entries[x.description_index],x.offset=r.chunk_offsets[x.chunk_index-1]+g,g+=x.size,t>v&&(b++,v<0&&(v=0),v+=s.sample_counts[b]),t>0?(e.samples[t-1].duration=s.sample_deltas[b],e.samples_duration+=e.samples[t-1].duration,x.dts=e.samples[t-1].dts+e.samples[t-1].duration):x.dts=0,o?(t>=w&&(E++,w<0&&(w=0),w+=o.sample_counts[E]),x.cts=e.samples[t].dts+o.sample_offsets[E]):x.cts=x.dts,a?(t==a.sample_numbers[S]-1?(x.is_sync=!0,S++):(x.is_sync=!1,x.degradation_priority=0),l&&l.entries[A].sample_delta+U==t+1&&(x.subsamples=l.entries[A].subsamples,U+=l.entries[A].sample_delta,A++)):x.is_sync=!0,_.process_sdtp(e.mdia.minf.stbl.sdtp,x,x.number),x.degradation_priority=h?h.priority[t]:0,l&&l.entries[A].sample_delta+U==t&&(x.subsamples=l.entries[A].subsamples,U+=l.entries[A].sample_delta),(u.length>0||c.length>0)&&_.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)}},_.prototype.updateSampleLists=function(){var e,t,r,i,n,s,o,a,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),i=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DESC?u.tfhd.default_sample_description_index:f?f.default_sample_description_index:1,n=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_DUR?u.tfhd.default_sample_duration:f?f.default_sample_duration:0,s=u.tfhd.flags&h.TFHD_FLAG_SAMPLE_SIZE?u.tfhd.default_sample_size:f?f.default_sample_size:0,o=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&&_.initSampleGroups(c,u,u.sbgps,c.mdia.minf.stbl.sgpds,u.sgpds),t=0;t<u.truns.length;t++){var g=u.truns[t];for(r=0;r<g.sample_count;r++){(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=i-1,p.description=c.mdia.minf.stbl.stsd.entries[p.description_index],p.size=s,g.flags&h.TRUN_FLAGS_SIZE&&(p.size=g.sample_size[r]),c.samples_size+=p.size,p.duration=n,g.flags&h.TRUN_FLAGS_DURATION&&(p.duration=g.sample_duration[r]),c.samples_duration+=p.duration,c.first_traf_merged||r>0?p.dts=c.samples[c.samples.length-2].dts+c.samples[c.samples.length-2].duration:(u.tfdt?p.dts=u.tfdt.baseMediaDecodeTime:p.dts=0,c.first_traf_merged=!0),p.cts=p.dts,g.flags&h.TRUN_FLAGS_CTS_OFFSET&&(p.cts=p.dts+g.sample_composition_time_offset[r]),m=o,g.flags&h.TRUN_FLAGS_FLAGS?m=g.sample_flags[r]:0===r&&g.flags&h.TRUN_FLAGS_FIRST_FLAG&&(m=g.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),v=!!(u.tfhd.flags&h.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),b=!!(g.flags&h.TRUN_FLAGS_DATA_OFFSET),w=0;w=y?u.tfhd.base_data_offset:v||0===t?l.start:a,p.offset=0===t&&0===r?b?w+g.data_offset:w:a,a=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)&&_.setSampleGroupProperties(c,p,p.number_in_traf,u.sample_groups_info)}}if(u.subs){c.has_fragment_subsamples=!0;var E=u.first_sample_index;for(t=0;t<u.subs.entries.length;t++)E+=u.subs.entries[t].sample_delta,(p=c.samples[E-1]).subsamples=u.subs.entries[t].subsamples}}},_.prototype.getSample=function(e,t){var r,i=e.samples[t];if(!this.moov)return null;if(i.data){if(i.alreadyRead==i.size)return i}else i.data=new Uint8Array(i.size),i.alreadyRead=0,this.samplesDataSize+=i.size,o.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+i.size+" (total: "+this.samplesDataSize+")");for(;;){var n=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(n>-1))return null;var s=(r=this.stream.buffers[n]).byteLength-(i.offset+i.alreadyRead-r.fileStart);if(i.size-i.alreadyRead<=s)return o.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+(i.size-i.alreadyRead)+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,i.size-i.alreadyRead),r.usedBytes+=i.size-i.alreadyRead,this.stream.logBufferLevel(),i.alreadyRead=i.size,i;if(0===s)return null;o.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-r.fileStart)+" read size: "+s+" full size: "+i.size+")"),d.memcpy(i.data.buffer,i.alreadyRead,r,i.offset+i.alreadyRead-r.fileStart,s),i.alreadyRead+=s,r.usedBytes+=s,this.stream.logBufferLevel()}},_.prototype.releaseSample=function(e,t){var r=e.samples[t];return r.data?(this.samplesDataSize-=r.size,r.data=null,r.alreadyRead=0,r.size):0},_.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},_.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},_.prototype.getTrexById=function(e){var t;if(!this.moov||!this.moov.mvex)return null;for(t=0;t<this.moov.mvex.trexs.length;t++){var r=this.moov.mvex.trexs[t];if(r.track_id==e)return r}return null},_.prototype.getTrackById=function(e){if(void 0===this.moov)return null;for(var t=0;t<this.moov.traks.length;t++){var r=this.moov.traks[t];if(r.tkhd.track_id==e)return r}return null},_.prototype.items=[],_.prototype.entity_groups=[],_.prototype.itemsDataSize=0,_.prototype.flattenItemInfo=function(){var e,t,r,i=this.items,n=this.entity_groups,s=this.meta;if(null!=s&&void 0!==s.hdlr&&void 0!==s.iinf){for(e=0;e<s.iinf.item_infos.length;e++)(r={}).id=s.iinf.item_infos[e].item_ID,i[r.id]=r,r.ref_to=[],r.name=s.iinf.item_infos[e].item_name,s.iinf.item_infos[e].protection_index>0&&(r.protection=s.ipro.protections[s.iinf.item_infos[e].protection_index-1]),s.iinf.item_infos[e].item_type?r.type=s.iinf.item_infos[e].item_type:r.type="mime",r.content_type=s.iinf.item_infos[e].content_type,r.content_encoding=s.iinf.item_infos[e].content_encoding;if(s.grpl)for(e=0;e<s.grpl.boxes.length;e++)entity_group={},entity_group.id=s.grpl.boxes[e].group_id,entity_group.entity_ids=s.grpl.boxes[e].entity_ids,entity_group.type=s.grpl.boxes[e].type,n[entity_group.id]=entity_group;if(s.iloc)for(e=0;e<s.iloc.items.length;e++){var a=s.iloc.items[e];switch(r=i[a.item_ID],0!==a.data_reference_index&&(o.warn("Item storage with reference to other files: not supported"),r.source=s.dinf.boxes[a.data_reference_index-1]),a.construction_method){case 0:break;case 1:case 2:o.warn("Item storage with construction_method : not supported")}for(r.extents=[],r.size=0,t=0;t<a.extents.length;t++)r.extents[t]={},r.extents[t].offset=a.extents[t].extent_offset+a.base_offset,r.extents[t].length=a.extents[t].extent_length,r.extents[t].alreadyRead=0,r.size+=r.extents[t].length}if(s.pitm&&(i[s.pitm.item_id].primary=!0),s.iref)for(e=0;e<s.iref.references.length;e++){var d=s.iref.references[e];for(t=0;t<d.references.length;t++)i[d.from_item_ID].ref_to.push({type:d.type,id:d.references[t]})}if(s.iprp)for(var l=0;l<s.iprp.ipmas.length;l++){var u=s.iprp.ipmas[l];for(e=0;e<u.associations.length;e++){var c=u.associations[e];if((r=i[c.id])||(r=n[c.id]),r)for(void 0===r.properties&&(r.properties={},r.properties.boxes=[]),t=0;t<c.props.length;t++){var h=c.props[t];if(h.property_index>0&&h.property_index-1<s.iprp.ipco.boxes.length){var f=s.iprp.ipco.boxes[h.property_index-1];r.properties[f.type]=f,r.properties.boxes.push(f)}}}}}},_.prototype.getItem=function(e){var t,r;if(!this.meta)return null;if(!(r=this.items[e]).data&&r.size)r.data=new Uint8Array(r.size),r.alreadyRead=0,this.itemsDataSize+=r.size,o.debug("ISOFile","Allocating item #"+e+" of size "+r.size+" (total: "+this.itemsDataSize+")");else if(r.alreadyRead===r.size)return r;for(var i=0;i<r.extents.length;i++){var n=r.extents[i];if(n.alreadyRead!==n.length){var s=this.stream.findPosition(!0,n.offset+n.alreadyRead,!1);if(!(s>-1))return null;var a=(t=this.stream.buffers[s]).byteLength-(n.offset+n.alreadyRead-t.fileStart);if(!(n.length-n.alreadyRead<=a))return o.debug("ISOFile","Getting item #"+e+" extent #"+i+" partial data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-t.fileStart)+" read size: "+a+" full extent size: "+n.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,n.offset+n.alreadyRead-t.fileStart,a),n.alreadyRead+=a,r.alreadyRead+=a,t.usedBytes+=a,this.stream.logBufferLevel(),null;o.debug("ISOFile","Getting item #"+e+" extent #"+i+" data (alreadyRead: "+n.alreadyRead+" offset: "+(n.offset+n.alreadyRead-t.fileStart)+" read size: "+(n.length-n.alreadyRead)+" full extent size: "+n.length+" full item size: "+r.size+")"),d.memcpy(r.data.buffer,r.alreadyRead,t,n.offset+n.alreadyRead-t.fileStart,n.length-n.alreadyRead),t.usedBytes+=n.length-n.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead+=n.length-n.alreadyRead,n.alreadyRead=n.length}}return r.alreadyRead===r.size?r:null},_.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null,t.alreadyRead=0;for(var r=0;r<t.extents.length;r++){t.extents[r].alreadyRead=0}return t.size}return 0},_.prototype.processItems=function(e){for(var t in this.items){var r=this.items[t];this.getItem(r.id),e&&!r.sent&&(e(r),r.sent=!0,r.data=null)}},_.prototype.hasItem=function(e){for(var t in this.items){var r=this.items[t];if(r.name===e)return r.id}return-1},_.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},_.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},_.prototype.itemToFragmentedTrackFile=function(e){var t=e||{},r=null;if(null==(r=t.itemId?this.getItem(t.itemId):this.getPrimaryItem()))return null;var i=new _;i.discardMdatData=!1;var n={type:r.type,description_boxes:r.properties.boxes};r.properties.ispe&&(n.width=r.properties.ispe.image_width,n.height=r.properties.ispe.image_height);var s=i.addTrack(n);return s?(i.addSample(s,r.data),i):null},_.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},_.prototype.createFragment=function(e,t,r){var i=this.getTrackById(e),n=this.getSample(i,t);if(null==n)return this.setNextSeekPositionFromSample(i.samples[t]),null;var s=r||new d;s.endianness=d.BIG_ENDIAN;var a=this.createSingleSampleMoof(n);a.write(s),a.trafs[0].truns[0].data_offset=a.size+8,o.debug("MP4Box","Adjusting data_offset with new value "+a.trafs[0].truns[0].data_offset),s.adjustUint32(a.trafs[0].truns[0].data_offset_position,a.trafs[0].truns[0].data_offset);var l=new h.mdatBox;return l.data=n.data,l.write(s),s},_.writeInitializationSegment=function(e,t,r,i){var n;o.debug("ISOFile","Generating initialization segment");var s=new d;s.endianness=d.BIG_ENDIAN,e.write(s);var a=t.add("mvex");for(r&&a.add("mehd").set("fragment_duration",r),n=0;n<t.traks.length;n++)a.add("trex").set("track_id",t.traks[n].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",i).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(s),s.buffer},_.prototype.save=function(e){var t=new d;t.endianness=d.BIG_ENDIAN,this.write(t),t.save(e)},_.prototype.getBuffer=function(){var e=new d;return e.endianness=d.BIG_ENDIAN,this.write(e),e.buffer},_.prototype.initializeSegmentation=function(){var e,t,r,i;for(null===this.onSegment&&o.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var n=new h.moovBox;n.mvhd=this.moov.mvhd,n.boxes.push(n.mvhd),r=this.getTrackById(this.fragmentedTracks[e].id),n.boxes.push(r),n.traks.push(r),(i={}).id=r.tkhd.track_id,i.user=this.fragmentedTracks[e].user,i.buffer=_.writeInitializationSegment(this.ftyp,n,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,this.moov.traks[e].samples.length>0?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},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 r=e.indent;e.indent+=" ",this.boxes[t].print(e),e.indent=r}},_.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 r=void 0===e||e,i=new _(t);return i.discardMdatData=!r,i}};t.createFile=y.createFile}));function Si(e){return e.reduce(((e,t)=>256*e+t))}function Ai(e){const t=[101,103,119,99],r=e.length-28,i=e.slice(r,r+t.length);return t.every(((e,t)=>e===i[t]))}Ei.Log,Ei.MP4BoxStream,Ei.DataStream,Ei.MultiBufferStream,Ei.MPEG4DescriptorParser,Ei.BoxParser,Ei.XMLSubtitlein4Parser,Ei.Textin4Parser,Ei.ISOFile,Ei.createFile;class Ui{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);Ai(t)&&this.c++}else{const r=function(e,t){const r=function(e,t){for(let r=0;r<e.byteLength-t.length;r++)for(let i=0;i<t.length&&e[r+i]===t[i];i++)if(i===t.length-1)return r;return null}(e,t);if(r){const t=Si(e.slice(r+16,r+16+8));return[t,Si(e.slice(r+24,r+24+8)),function(e){return e.map((e=>~e))}(e.slice(r+32,r+32+t))]}return null}(t,this.t);if(!r)return e;const i=function(e){try{if("object"!=typeof WebAssembly||"function"!=typeof WebAssembly.instantiate)throw null;{const e=new WebAssembly.Module(Uint8Array.of(0,97,115,109,1,0,0,0));if(!(e instanceof WebAssembly.Module&&new WebAssembly.Instance(e)instanceof WebAssembly.Instance))throw null}}catch(e){return new Error("video_error_4")}let t;try{t={env:{__handle_stack_overflow:()=>e(new Error("video_error_1")),memory:new WebAssembly.Memory({initial:256,maximum:256})}}}catch(e){return new Error("video_error_5")}return t}(e);if(i instanceof Error)return console.error(i.message),this.d=!0,e;this.A=!0,this.u=r[1],Ai(t)&&this.c++,WebAssembly.instantiate(r[2],i).then((e=>{if("function"!=typeof(t=e.instance.exports).parse||"object"!=typeof t.memory)return this.d=!0,void console.error("video_error_3");var t;this.s=e.instance.exports,this.a=new Uint8Array(this.s.memory.buffer)})).catch((e=>{this.d=!0,console.error("video_error_6")}))}return e}}const xi=16,Ti=[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],ki=[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 Bi(e){const t=[];for(let r=0,i=e.length;r<i;r+=2)t.push(parseInt(e.substr(r,2),16));return t}function Ci(e){return e.map((e=>1===(e=e.toString(16)).length?"0"+e:e)).join("")}function Di(e){const t=[];for(let r=0,i=e.length;r<i;r++){const i=e.codePointAt(r);if(i<=127)t.push(i);else if(i<=2047)t.push(192|i>>>6),t.push(128|63&i);else if(i<=55295||i>=57344&&i<=65535)t.push(224|i>>>12),t.push(128|i>>>6&63),t.push(128|63&i);else{if(!(i>=65536&&i<=1114111))throw t.push(i),new Error("input is not supported");r++,t.push(240|i>>>18&28),t.push(128|i>>>12&63),t.push(128|i>>>6&63),t.push(128|63&i)}}return t}function Pi(e){const t=[];for(let r=0,i=e.length;r<i;r++)e[r]>=240&&e[r]<=247?(t.push(String.fromCodePoint(((7&e[r])<<18)+((63&e[r+1])<<12)+((63&e[r+2])<<6)+(63&e[r+3]))),r+=3):e[r]>=224&&e[r]<=239?(t.push(String.fromCodePoint(((15&e[r])<<12)+((63&e[r+1])<<6)+(63&e[r+2]))),r+=2):e[r]>=192&&e[r]<=223?(t.push(String.fromCodePoint(((31&e[r])<<6)+(63&e[r+1]))),r++):t.push(String.fromCodePoint(e[r]));return t.join("")}function Fi(e,t){const r=31&t;return e<<r|e>>>32-r}function Ii(e){return(255&Ti[e>>>24&255])<<24|(255&Ti[e>>>16&255])<<16|(255&Ti[e>>>8&255])<<8|255&Ti[255&e]}function Li(e){return e^Fi(e,2)^Fi(e,10)^Fi(e,18)^Fi(e,24)}function Ri(e){return e^Fi(e,13)^Fi(e,23)}function Mi(e,t,r){const i=new Array(4),n=new Array(4);for(let t=0;t<4;t++)n[0]=255&e[4*t],n[1]=255&e[4*t+1],n[2]=255&e[4*t+2],n[3]=255&e[4*t+3],i[t]=n[0]<<24|n[1]<<16|n[2]<<8|n[3];for(let e,t=0;t<32;t+=4)e=i[1]^i[2]^i[3]^r[t+0],i[0]^=Li(Ii(e)),e=i[2]^i[3]^i[0]^r[t+1],i[1]^=Li(Ii(e)),e=i[3]^i[0]^i[1]^r[t+2],i[2]^=Li(Ii(e)),e=i[0]^i[1]^i[2]^r[t+3],i[3]^=Li(Ii(e));for(let e=0;e<16;e+=4)t[e]=i[3-e/4]>>>24&255,t[e+1]=i[3-e/4]>>>16&255,t[e+2]=i[3-e/4]>>>8&255,t[e+3]=255&i[3-e/4]}function zi(e,t,r){const i=new Array(4),n=new Array(4);for(let t=0;t<4;t++)n[0]=255&e[0+4*t],n[1]=255&e[1+4*t],n[2]=255&e[2+4*t],n[3]=255&e[3+4*t],i[t]=n[0]<<24|n[1]<<16|n[2]<<8|n[3];i[0]^=2746333894,i[1]^=1453994832,i[2]^=1736282519,i[3]^=2993693404;for(let e,r=0;r<32;r+=4)e=i[1]^i[2]^i[3]^ki[r+0],t[r+0]=i[0]^=Ri(Ii(e)),e=i[2]^i[3]^i[0]^ki[r+1],t[r+1]=i[1]^=Ri(Ii(e)),e=i[3]^i[0]^i[1]^ki[r+2],t[r+2]=i[2]^=Ri(Ii(e)),e=i[0]^i[1]^i[2]^ki[r+3],t[r+3]=i[3]^=Ri(Ii(e));if(0===r)for(let e,r=0;r<16;r++)e=t[r],t[r]=t[31-r],t[31-r]=e}function Ni(e,t,r){let{padding:i="pkcs#7",mode:n,iv:s=[],output:o="string"}=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if("cbc"===n&&("string"==typeof s&&(s=Bi(s)),16!==s.length))throw new Error("iv is invalid");if("string"==typeof t&&(t=Bi(t)),16!==t.length)throw new Error("key is invalid");if(e="string"==typeof e?0!==r?Di(e):Bi(e):[...e],("pkcs#5"===i||"pkcs#7"===i)&&0!==r){const t=xi-e.length%xi;for(let r=0;r<t;r++)e.push(t)}const a=new Array(32);zi(t,a,r);const d=[];let l=s,u=e.length,c=0;for(;u>=xi;){const t=e.slice(c,c+16),i=new Array(16);if("cbc"===n)for(let e=0;e<xi;e++)0!==r&&(t[e]^=l[e]);Mi(t,i,a);for(let e=0;e<xi;e++)"cbc"===n&&0===r&&(i[e]^=l[e]),d[c+e]=i[e];"cbc"===n&&(l=0!==r?i:t),u-=xi,c+=xi}if(("pkcs#5"===i||"pkcs#7"===i)&&0===r){const e=d.length,t=d[e-1];for(let r=1;r<=t;r++)if(d[e-r]!==t)throw new Error("padding is invalid");d.splice(e-t,t)}return"array"!==o?0!==r?Ci(d):Pi(d):d}function $i(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function Oi(e,t){let r=arguments.length>2&&void 0!==arguments[2]&&arguments[2];const i=e.byteLength;let n=5;for(;n<i;){let s=$i(e.slice(n,n+4));if(s>i)break;let o=e[n+4],a=!1;if(r?(o=o>>>1&63,a=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(o)):(o&=31,a=1===o||5===o),a){const r=Ni(e.slice(n+4+2,n+4+s),t,0,{padding:"none",output:"array"});e.set(r,n+4+2)}n=n+4+s}return e}const Gi={init:0,findFirstStartCode:1,findSecondStartCode:2};class Hi extends class{on(e,t,r){const i=this.e||(this.e={});return(i[e]||(i[e]=[])).push({fn:t,ctx:r}),this}once(e,t,r){const i=this;function n(){i.off(e,n);for(var s=arguments.length,o=new Array(s),a=0;a<s;a++)o[a]=arguments[a];t.apply(r,o)}return n._=t,this.on(e,n,r)}emit(e){const t=((this.e||(this.e={}))[e]||[]).slice();for(var r=arguments.length,i=new Array(r>1?r-1:0),n=1;n<r;n++)i[n-1]=arguments[n];for(let e=0;e<t.length;e+=1)t[e].fn.apply(t[e].ctx,i);return this}off(e,t){const r=this.e||(this.e={});if(!e)return Object.keys(r).forEach((e=>{delete r[e]})),void delete this.e;const i=r[e],n=[];if(i&&t)for(let e=0,r=i.length;e<r;e+=1)i[e].fn!==t&&i[e].fn._!==t&&n.push(i[e]);return n.length?r[e]=n:delete r[e],this}}{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=Gi.init,this.tempBuffer=new Uint8Array(0),this.parsedOffset=0,this.versionLayer=0}dispatch(e,t){let r=new Uint8Array(this.tempBuffer.length+e.length);for(r.set(this.tempBuffer,0),r.set(e,this.tempBuffer.length),this.tempBuffer=r;!this.isDestroyed;){if(this.state==Gi.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=Gi.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Gi.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=Gi.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==Gi.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=Gi.findFirstStartCode}}}}function Vi(e,t,r){for(let i=2;i<e.length;++i){const n=i-2,s=t[n%t.length],o=r[n%r.length];e[i]=e[i]^s^o}return e}function Wi(e){return e[3]|e[2]<<8|e[1]<<16|e[0]<<24}function ji(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]&&arguments[3];const n=e.byteLength;let s=5;for(;s<n;){let o=Wi(e.slice(s,s+4));if(o>n)break;let a=e[s+4],d=!1;if(i?(a=a>>>1&63,d=[0,1,2,3,4,5,6,7,8,9,16,17,18,19,20,21].includes(a)):(a&=31,d=1===a||5===a),d){const i=Vi(e.slice(s+4,s+4+o),t,r);e.set(i,s+4)}s=s+4+o}return e}function Yi(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];if((t=t.filter(Boolean)).length<2)return t[0];const i=new Uint8Array(t.reduce(((e,t)=>e+t.byteLength),0));let n=0;return t.forEach((e=>{i.set(e,n),n+=e.byteLength})),i}class qi{constructor(e){this.destroys=[],this.proxy=this.proxy.bind(this),this.master=e}proxy(e,t,r){let i=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};if(!e)return;if(Array.isArray(t))return t.map((t=>this.proxy(e,t,r,i)));e.addEventListener(t,r,i);const n=()=>{Wt(e.removeEventListener)&&e.removeEventListener(t,r,i)};return this.destroys.push(n),n}destroy(){this.master.debug&&this.master.debug.log("Events","destroy"),this.destroys.forEach((e=>e())),this.destroys=[]}}class Ki{static init(){Ki.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 Ki.types)Ki.types.hasOwnProperty(e)&&(Ki.types[e]=[e.charCodeAt(0),e.charCodeAt(1),e.charCodeAt(2),e.charCodeAt(3)]);let e=Ki.constants={};e.FTYP=new Uint8Array([105,115,111,109,0,0,0,1,105,115,111,109,97,118,99,49]),e.STSD_PREFIX=new Uint8Array([0,0,0,0,0,0,0,1]),e.STTS=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSC=e.STCO=e.STTS,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.HDLR_VIDEO=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),e.HDLR_AUDIO=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),e.DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}static box(e){let t=8,r=null,i=Array.prototype.slice.call(arguments,1),n=i.length;for(let e=0;e<n;e++)t+=i[e].byteLength;r=new Uint8Array(t),r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,r.set(e,4);let s=8;for(let e=0;e<n;e++)r.set(i[e],s),s+=i[e].byteLength;return r}static generateInitSegment(e){let t=Ki.box(Ki.types.ftyp,Ki.constants.FTYP),r=Ki.moov(e),i=new Uint8Array(t.byteLength+r.byteLength);return i.set(t,0),i.set(r,t.byteLength),i}static moov(e){let t=Ki.mvhd(e.timescale,e.duration),r=Ki.trak(e),i=Ki.mvex(e);return Ki.box(Ki.types.moov,t,r,i)}static mvhd(e,t){return Ki.box(Ki.types.mvhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,e>>>24&255,e>>>16&255,e>>>8&255,255&e,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]))}static trak(e){return Ki.box(Ki.types.trak,Ki.tkhd(e),Ki.mdia(e))}static tkhd(e){let t=e.id,r=e.duration,i=e.presentWidth,n=e.presentHeight;return Ki.box(Ki.types.tkhd,new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>>8&255,255&i,0,0,n>>>8&255,255&n,0,0]))}static mdia(e){return Ki.box(Ki.types.mdia,Ki.mdhd(e),Ki.hdlr(e),Ki.minf(e))}static mdhd(e){let t=e.timescale,r=e.duration;return Ki.box(Ki.types.mdhd,new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,r>>>24&255,r>>>16&255,r>>>8&255,255&r,85,196,0,0]))}static hdlr(e){let t=null;return t="audio"===e.type?Ki.constants.HDLR_AUDIO:Ki.constants.HDLR_VIDEO,Ki.box(Ki.types.hdlr,t)}static minf(e){let t=null;return t="audio"===e.type?Ki.box(Ki.types.smhd,Ki.constants.SMHD):Ki.box(Ki.types.vmhd,Ki.constants.VMHD),Ki.box(Ki.types.minf,t,Ki.dinf(),Ki.stbl(e))}static dinf(){return Ki.box(Ki.types.dinf,Ki.box(Ki.types.dref,Ki.constants.DREF))}static stbl(e){return Ki.box(Ki.types.stbl,Ki.stsd(e),Ki.box(Ki.types.stts,Ki.constants.STTS),Ki.box(Ki.types.stsc,Ki.constants.STSC),Ki.box(Ki.types.stsz,Ki.constants.STSZ),Ki.box(Ki.types.stco,Ki.constants.STCO))}static stsd(e){return"audio"===e.type?"mp3"===e.audioType?Ki.box(Ki.types.stsd,Ki.constants.STSD_PREFIX,Ki.mp3(e)):Ki.box(Ki.types.stsd,Ki.constants.STSD_PREFIX,Ki.mp4a(e)):"avc"===e.videoType?Ki.box(Ki.types.stsd,Ki.constants.STSD_PREFIX,Ki.avc1(e)):Ki.box(Ki.types.stsd,Ki.constants.STSD_PREFIX,Ki.hvc1(e))}static mp3(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Ki.box(Ki.types[".mp3"],i)}static mp4a(e){let t=e.channelCount,r=e.audioSampleRate,i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t,0,16,0,0,0,0,r>>>8&255,255&r,0,0]);return Ki.box(Ki.types.mp4a,i,Ki.esds(e))}static esds(e){let t=e.config||[],r=t.length,i=new Uint8Array([0,0,0,0,3,23+r,0,1,0,4,15+r,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([r]).concat(t).concat([6,1,2]));return Ki.box(Ki.types.esds,i)}static avc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Ki.box(Ki.types.avc1,n,Ki.box(Ki.types.avcC,t))}static hvc1(e){let t=e.avcc;const r=e.codecWidth,i=e.codecHeight;let n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,r>>>8&255,255&r,i>>>8&255,255&i,0,72,0,0,0,72,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,255,255]);return Ki.box(Ki.types.hvc1,n,Ki.box(Ki.types.hvcC,t))}static mvex(e){return Ki.box(Ki.types.mvex,Ki.trex(e))}static trex(e){let t=e.id,r=new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return Ki.box(Ki.types.trex,r)}static moof(e,t){return Ki.box(Ki.types.moof,Ki.mfhd(e.sequenceNumber),Ki.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 Ki.box(Ki.types.mfhd,t)}static traf(e,t){let r=e.id,i=Ki.box(Ki.types.tfhd,new Uint8Array([0,0,0,0,r>>>24&255,r>>>16&255,r>>>8&255,255&r])),n=Ki.box(Ki.types.tfdt,new Uint8Array([0,0,0,0,t>>>24&255,t>>>16&255,t>>>8&255,255&t])),s=Ki.sdtp(e),o=Ki.trun(e,s.byteLength+16+16+8+16+8+8);return Ki.box(Ki.types.traf,i,n,o,s)}static sdtp(e){let t=new Uint8Array(5),r=e.flags;return t[4]=r.isLeading<<6|r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy,Ki.box(Ki.types.sdtp,t)}static trun(e,t){let r=new Uint8Array(28);t+=36,r.set([0,0,15,1,0,0,0,1,t>>>24&255,t>>>16&255,t>>>8&255,255&t],0);let i=e.duration,n=e.size,s=e.flags,o=e.cts;return r.set([i>>>24&255,i>>>16&255,i>>>8&255,255&i,n>>>24&255,n>>>16&255,n>>>8&255,255&n,s.isLeading<<2|s.dependsOn,s.isDependedOn<<6|s.hasRedundancy<<4|s.isNonSync,0,0,o>>>24&255,o>>>16&255,o>>>8&255,255&o],12),Ki.box(Ki.types.trun,r)}static mdat(e){return Ki.box(Ki.types.mdat,e)}}Ki.init();var Xi,Zi=At((function(e){e.exports=function(e,t,r){return t in 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self&&(s={hasInit:!1,isEmitInfo:!1,offscreenCanvas:null,offscreenCanvasCtx:null,decoder:new VideoDecoder({output:function(e){if(s.isEmitInfo||(Zr.debug.log("worker","Webcodecs Video Decoder initSize"),postMessage({cmd:x,w:e.codedWidth,h:e.codedHeight}),s.isEmitInfo=!0,s.offscreenCanvas=new OffscreenCanvas(e.codedWidth,e.codedHeight),s.offscreenCanvasCtx=s.offscreenCanvas.getContext("2d")),Wt(e.createImageBitmap))e.createImageBitmap().then((t=>{s.offscreenCanvasCtx.drawImage(t,0,0,e.codedWidth,e.codedHeight);let r=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:T,buffer:r,delay:Zr.delay,ts:0},[r]),qt(e)}));else{s.offscreenCanvasCtx.drawImage(e,0,0,e.codedWidth,e.codedHeight);let t=s.offscreenCanvas.transferToImageBitmap();postMessage({cmd:T,buffer:t,delay:Zr.delay,ts:0},[t]),qt(e)}},error:function(e){Zr.debug.error("worker","VideoDecoder error",e)}}),decode:function(e,t,r){const i=e[0]>>4==1;if(s.hasInit){const r=new 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Uint8Array(jr.lastBuf.length+e.byteLength);r.set(jr.lastBuf),r.set(new Uint8Array(e),jr.lastBuf.length),jr.lastBuf=r}},handleNALu(e){e.byteLength<=4?Zr.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),jr.handleVideoNalu(e))},handleVideoNalu(e){if(jr.streamType||(jr.streamType=jt(e),$r=jr.streamType===Fe),jr.streamType===Pe){const t=jr.handleAddNaluStartCode(e),r=jr.extractNALu(t);if(0===r.length)return void Zr.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=gr(e);t===Ne||t===ze?jr.handleVideoH264Nalu(e):yr(t)&&i.push(e)})),1===i.length)jr.handleVideoH264Nalu(i[0]);else if(br(i)){const e=gr(i[0]),t=vr(e);jr.handleVideoH264NaluList(i,t,e)}else i.forEach((e=>{jr.handleVideoH264Nalu(e)}))}else if(jr.streamType===Fe)if(Zr._opt.nakedFlowH265DemuxUseNew){const t=jr.handleAddNaluStartCode(e),r=jr.extractNALu(t);if(0===r.length)return void Zr.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");const i=[];if(r.forEach((e=>{const t=Lr(e);t===je||t===We||t===Ve?jr.handleVideoH265Nalu(e):Mr(t)&&i.push(e)})),1===i.length)jr.handleVideoH265Nalu(i[0]);else if(Nr(i)){const e=Lr(i[0]),t=zr(e);jr.handleVideoH265NaluList(i,t,e)}else i.forEach((e=>{jr.handleVideoH265Nalu(e)}))}else Lr(e)===je?jr.extractH265PPS(e):jr.handleVideoH265Nalu(e)},extractH264PPS(e){const t=jr.handleAddNaluStartCode(e);jr.extractNALu(t).forEach((e=>{_r(gr(e))?jr.extractH264SEI(e):jr.handleVideoH264Nalu(e)}))},extractH265PPS(e){const t=jr.handleAddNaluStartCode(e);jr.extractNALu(t).forEach((e=>{Rr(Lr(e))?jr.extractH265SEI(e):jr.handleVideoH265Nalu(e)}))},extractH264SEI(e){const t=jr.handleAddNaluStartCode(e);jr.extractNALu(t).forEach((e=>{jr.handleVideoH264Nalu(e)}))},extractH265SEI(e){const t=jr.handleAddNaluStartCode(e);jr.extractNALu(t).forEach((e=>{jr.handleVideoH265Nalu(e)}))},handleAddNaluStartCode(e){const t=[0,0,0,1],r=new Uint8Array(e.length+t.length);return r.set(t),r.set(e,t.length),r},handleVideoH264Nalu(e){const t=gr(e);switch(t){case ze:jr.sps=e;break;case Ne:jr.pps=e}if(jr.isSendSeqHeader){if(jr.sps&&jr.pps){const e=hr({sps:jr.sps,pps:jr.pps}),t=jr.getNaluDts();Zr.decode(e,{type:ne,ts:t,isIFrame:!0,cts:0}),jr.sps=null,jr.pps=null}if(yr(t)){const r=vr(t),i=jr.getNaluDts(),n=pr(e,r);jr.doDecode(n,{type:ne,ts:i,isIFrame:r,cts:0})}else Zr.debug.warn("work",`handleVideoH264Nalu Avc Seq Head is ${t}`)}else if(jr.sps&&jr.pps){jr.isSendSeqHeader=!0;const e=hr({sps:jr.sps,pps:jr.pps});Zr.decode(e,{type:ne,ts:0,isIFrame:!0,cts:0}),jr.sps=null,jr.pps=null}},handleVideoH264NaluList(e,t,r){if(jr.isSendSeqHeader){const i=jr.getNaluDts(),n=mr(e.reduce(((e,t)=>{const r=kr(e),i=kr(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);jr.doDecode(n,{type:ne,ts:i,isIFrame:t,cts:0}),Zr.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${n.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else Zr.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=Lr(e);switch(t){case Ve:jr.vps=e;break;case We:jr.sps=e;break;case je:jr.pps=e}if(jr.isSendSeqHeader){if(jr.vps&&jr.sps&&jr.pps){const e=Pr({vps:jr.vps,sps:jr.sps,pps:jr.pps}),t=jr.getNaluDts();Zr.decode(e,{type:ne,ts:t,isIFrame:!0,cts:0}),jr.vps=null,jr.sps=null,jr.pps=null}if(Mr(t)){const r=zr(t),i=jr.getNaluDts(),n=Fr(e,r);jr.doDecode(n,{type:ne,ts:i,isIFrame:r,cts:0})}else Zr.debug.warn("work",`handleVideoH265Nalu HevcSeqHead is ${t}`)}else if(jr.vps&&jr.sps&&jr.pps){jr.isSendSeqHeader=!0;const e=Pr({vps:jr.vps,sps:jr.sps,pps:jr.pps});Zr.decode(e,{type:ne,ts:0,isIFrame:!0,cts:0}),jr.vps=null,jr.sps=null,jr.pps=null}},handleVideoH265NaluList(e,t,r){if(jr.isSendSeqHeader){const i=jr.getNaluDts(),n=Ir(e.reduce(((e,t)=>{const r=kr(e),i=kr(t),n=new Uint8Array(r.byteLength+i.byteLength);return n.set(r,0),n.set(i,r.byteLength),n})),t);jr.doDecode(n,{type:ne,ts:i,isIFrame:t,cts:0}),Zr.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${n.byteLength} isIFrame is ${t},nalu type is ${r}, dts is ${i}`)}else Zr.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){Zr.calcNetworkDelay(t.ts),t.isIFrame&&Zr.calcIframeIntervalTimestamp(t.ts),postMessage({cmd:z,type:we,value:e.byteLength}),postMessage({cmd:z,type:Ee,value:t.ts}),Zr.decode(e,t)}},Yr={LOG_NAME:"worker fmp4Demuxer",mp4Box:Ei.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){Yr.mp4Box.onReady=Yr.onReady,Yr.mp4Box.onError=Yr.onError,Yr.mp4Box.onSamples=Yr.onSamples},initTransportDescarmber(){Yr.transportDescarmber=new Ui},_getSeqHeader(e){const t=Yr.mp4Box.getTrackById(e.id);for(const e of t.mdia.minf.stbl.stsd.entries)if(e.avcC||e.hvcC){const t=new Ei.DataStream(void 0,0,Ei.DataStream.BIG_ENDIAN);let r=[];e.avcC?(e.avcC.write(t),r=[23,0,0,0,0]):(Yr.isHevc=!0,$r=!0,e.hvcC.write(t),r=[28,0,0,0,0]);const i=new Uint8Array(t.buffer,8),n=new Uint8Array(r.length+i.length);return n.set(r,0),n.set(i,r.length),n}return null},onReady(e){Zr.debug.log(Yr.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],r=e.audioTracks[0];if(t){Yr.videoTrackId=t.id;const e=Yr._getSeqHeader(t);e&&(Zr.debug.log(Yr.LOG_NAME,"seqHeader"),Zr.isPlayUseMSEAndDecoderInWorker()?Xr.decodeVideo(e,0,!0,0):Zr.decodeVideo(e,0,!0,0)),Yr.mp4Box.setExtractionOptions(t.id)}if(r&&Zr._opt.hasAudio){Yr.audioTrackId=r.id;const e=r.audio||{},t=Bt.indexOf(e.sample_rate),i=r.codec.replace("mp4a.40.","");Yr.mp4Box.setExtractionOptions(r.id);const n=Ut({profile:parseInt(i,10),sampleRate:t,channel:e.channel_count});Zr.debug.log(Yr.LOG_NAME,"aacADTSHeader"),Zr.isPlayUseMSEAndDecoderInWorker()&&Zr._opt.mseDecodeAudio?Xr.decodeAudio(n,0):Zr.decodeAudio(n,0)}Yr.mp4Box.start()},onError(e){Zr.debug.error(Yr.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===Yr.videoTrackId)for(const e of r){const t=e.data,r=e.is_sync,i=1e3*e.cts/e.timescale;e.duration,e.timescale,r&&Zr.calcIframeIntervalTimestamp(i);let n=null;n=Yr.isHevc?Ir(t,r):mr(t,r),postMessage({cmd:z,type:we,value:n.byteLength}),postMessage({cmd:z,type:Ee,value:i}),Zr.decode(n,{type:ne,ts:i,isIFrame:r,cts:0})}else if(e===Yr.audioTrackId){if(Zr._opt.hasAudio)for(const e of r){const t=e.data,r=1e3*e.cts/e.timescale;e.duration,e.timescale;const i=new Uint8Array(t.byteLength+2);i.set([175,1],0),i.set(t,2),postMessage({cmd:z,type:be,value:i.byteLength}),Zr.decode(i,{type:ie,ts:r,isIFrame:!1,cts:0})}}else Zr.debug.warn(Yr.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?(Yr.transportDescarmber&&(t=Yr.transportDescarmber.transport(t)),t.buffer.fileStart=Yr.offset,Yr.offset+=t.byteLength,Yr.mp4Box.appendBuffer(t.buffer)):Zr.debug.warn(Yr.LOG_NAME,"dispatch()","data is not object",e):Zr.debug.warn(Yr.LOG_NAME,"dispatch()","data is string",e)},destroy(){Yr.mp4Box&&(Yr.mp4Box.flush(),Yr.mp4Box=null),Yr.transportDescarmber&&(Yr.transportDescarmber.destroy(),Yr.transportDescarmber=null),Yr.offset=0,Yr.videoTrackId=null,Yr.audioTrackId=null,Yr.isHevc=!1}},qr={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);qr.extractNALu(t)},destroy(){qr.lastBuffer=new Uint8Array(0),qr.parsedOffset=0,qr.firstStartCodeOffset=0,qr.secondStartCodeOffset=0,qr.state="init",qr.hasInitVideoCodec=!1,qr.localDts=0},extractNALu(e){if(!e||e.byteLength<1)return void Zr.debug.warn(qr.LOG_NAME,"extractNALu() buffer error",e);const t=new Uint8Array(qr.lastBuffer.length+e.length);for(t.set(qr.lastBuffer,0),t.set(new Uint8Array(e),qr.lastBuffer.length),qr.lastBuffer=t;;){if("init"===qr.state){let e=!1;for(;qr.lastBuffer.length-qr.parsedOffset>=4;)if(0===qr.lastBuffer[qr.parsedOffset])if(0===qr.lastBuffer[qr.parsedOffset+1])if(1===qr.lastBuffer[qr.parsedOffset+2]){if(182===qr.lastBuffer[qr.parsedOffset+3]){qr.state="findFirstStartCode",qr.firstStartCodeOffset=qr.parsedOffset,qr.parsedOffset+=4,e=!0;break}qr.parsedOffset++}else qr.parsedOffset++;else qr.parsedOffset++;else qr.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===qr.state){let e=!1;for(;qr.lastBuffer.length-qr.parsedOffset>=4;)if(0===qr.lastBuffer[qr.parsedOffset])if(0===qr.lastBuffer[qr.parsedOffset+1])if(1===qr.lastBuffer[qr.parsedOffset+2]){if(182===qr.lastBuffer[qr.parsedOffset+3]){qr.state="findSecondStartCode",qr.secondStartCodeOffset=qr.parsedOffset,qr.parsedOffset+=4,e=!0;break}qr.parsedOffset++}else qr.parsedOffset++;else qr.parsedOffset++;else qr.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===qr.state){if(!(qr.lastBuffer.length-qr.parsedOffset>0))break;{let e,t,r=192&qr.lastBuffer[qr.parsedOffset];e=0==r?qr.secondStartCodeOffset-14:qr.secondStartCodeOffset;let i=0==(192&qr.lastBuffer[qr.firstStartCodeOffset+4]);if(i){if(qr.firstStartCodeOffset-14<0)return void Zr.debug.warn(qr.LOG_NAME,"firstStartCodeOffset -14 is",qr.firstStartCodeOffset-14);qr.hasInitVideoCodec||(qr.hasInitVideoCodec=!0,Zr.debug.log(qr.LOG_NAME,"setCodec"),Qr.setCodec(De,"")),t=qr.lastBuffer.subarray(qr.firstStartCodeOffset-14,e)}else t=qr.lastBuffer.subarray(qr.firstStartCodeOffset,e);let n=qr.getNaluDts();qr.hasInitVideoCodec?(postMessage({cmd:z,type:we,value:t.byteLength}),postMessage({cmd:z,type:Ee,value:n}),Qr.decode(t,i?1:0,n)):Zr.debug.warn(qr.LOG_NAME,"has not init video codec"),qr.lastBuffer=qr.lastBuffer.subarray(e),qr.firstStartCodeOffset=0==r?14:0,qr.parsedOffset=qr.firstStartCodeOffset+4,qr.state="findFirstStartCode"}}}},getNaluDts(){let e=qr.localDts;return qr.localDts=qr.localDts+40,e}},Kr={isFirstDispatch:!0,_pmtId:-1,_remainingPacketData:null,_videoPesData:[],_audioPesData:[],_gopId:0,_videoPid:-1,_audioPid:-1,_codecType:Be,_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);Kr.demuxAndFix(t,Kr.isFirstDispatch,!0,0),Kr.isFirstDispatch&&(Kr.isFirstDispatch=!1)},_probe:e=>!!e.length&&71===e[0]&&71===e[188]&&71===e[376],_parsePES(e){const t=e[8];if(null==t||e.length<t+9)return;if(1!=(e[0]<<16|e[1]<<8|e[2]))return;const r=(e[4]<<8)+e[5];if(r&&r>e.length-6)return;let i,n;const s=e[7];return 192&s&&(i=536870912*(14&e[9])+4194304*(255&e[10])+16384*(254&e[11])+128*(255&e[12])+(254&e[13])/2,64&s?(n=536870912*(14&e[14])+4194304*(255&e[15])+16384*(254&e[16])+128*(255&e[17])+(254&e[18])/2,i-n>54e5&&(i=n)):n=i),{data:e.subarray(9+t),pts:i,dts:n,originalPts:i,originalDts:n}},demuxAndFix(e,t,r,i){Kr._demux(e,t,r),Kr._fix(i,t,r)},_initVideoTrack:()=>({samples:[]}),_initAudioTrack:()=>({samples:[]}),_demux(e){let t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];t&&(Kr._pmtId=-1,Kr.videoTrack=Kr._initVideoTrack(),Kr.audioTrack=Kr._initAudioTrack()),!r||t?(Kr._remainingPacketData=null,Kr._videoPesData=[],Kr._audioPesData=[]):(Kr.videoTrack.samples=[],Kr.audioTrack.samples=[],Kr._remainingPacketData&&(e=Yi(Kr._remainingPacketData,e),Kr._remainingPacketData=null));let i=e.length;const n=i%188;n&&(Kr._remainingPacketData=e.subarray(i-n),i-=n);for(let t=0;t<i;t+=188){if(71!==e[t])throw new Error("TS packet did not start with 0x47");const r=!!(64&e[t+1]),i=((31&e[t+1])<<8)+e[t+2];let n;if((48&e[t+3])>>4>1){if(n=t+5+e[t+4],n===t+188)continue}else n=t+4;switch(i){case 0:r&&(n+=e[n]+1),Kr._pmtId=(31&e[n+10])<<8|e[n+11];break;case Kr._pmtId:{r&&(n+=e[n]+1);const t=n+3+((15&e[n+1])<<8|e[n+2])-4;for(n+=12+((15&e[n+10])<<8|e[n+11]);n<t;){const t=(31&e[n+1])<<8|e[n+2];switch(e[n]){case 15:Kr._audioPid=t,Kr._audioCodecType=Ie;break;case 27:Kr._videoPid=t,Kr._codecType=Be;break;case 36:Kr._videoPid=t,Kr._codecType=Ce;break;default:Zr.debug.warn(Kr.TAG_NAME,`Unsupported stream. type: ${e[n]}, pid: ${t}`)}n+=5+((15&e[n+3])<<8|e[n+4])}}break;case Kr._videoPid:r&&Kr._videoPesData.length&&Kr._parseVideoData(),Kr._videoPesData.push(e.subarray(n,t+188));break;case Kr._audioPid:r&&Kr._audioPesData.length&&Kr._parseAudioData(),Kr._audioPesData.push(e.subarray(n,t+188));break;case 17:case 8191:break;default:Zr.debug.warn(Kr.TAG_NAME,`Unknown pid: ${i}`)}}Kr._parseVideoData(),Kr._parseAudioData(),Kr.audioTrack.formatTimescale=Kr.videoTrack.formatTimescale=Kr.videoTrack.timescale=9e4,Kr.audioTrack.timescale=Kr.audioTrack.sampleRate||0},_parseVideoData(){if(!Kr._videoPesData.length)return void Zr.debug.log(Kr.TAG_NAME,"_parseVideoData","no video pes data");const e=Kr._parsePES(Yi(...Kr._videoPesData));if(!e)return void Zr.debug.warn(Kr.TAG_NAME,"Cannot parse video pes data length",Kr._videoPesData.length);const t=Ar(e.data);t?Kr._createVideoSample(t,e.pts,e.dts):Zr.debug.warn(Kr.TAG_NAME,"Cannot parse avc units",e),Kr._videoPesData=[]},_parseAudioData(){if(!Kr._audioPesData.length)return;const e=Kr._parsePES(Yi(...Kr._audioPesData));if(e){if(Zr._opt.hasAudio){if(Kr._audioCodecType===Ie){const t=Pt(e.data,e.originalPts);if(t){if(Kr.audioTrack.codec=t.codec,Kr.audioTrack.sampleRate=t.sampleRate,Kr.audioTrack.channelCount=t.channelCount,!Kr._isSendAACSeqHeader){const e=Ut({profile:t.objectType,sampleRate:t.samplingFrequencyIndex,channel:t.channelCount});Kr._isSendAACSeqHeader=!0,Zr.debug.log(Kr.TAG_NAME,"aac seq header",`profile: ${t.objectType}, sampleRate:${t.sampleRate},sampleRateIndex: ${t.samplingFrequencyIndex}, channel: ${t.channelCount}`),Zr.isPlayUseMSEAndDecoderInWorker()&&Zr._opt.mseDecodeAudio?Xr.decodeAudio(e,0):Zr.decodeAudio(e,0)}if(Kr._isSendAACSeqHeader){const e=[];t.frames.forEach((t=>{const r=t.pts,i=new Uint8Array(t.data.length+2);i.set([175,1],0),i.set(t.data,2);const n={type:ie,pts:r,dts:r,payload:i};e.push(n)})),Kr.audioTrack.samples=Kr.audioTrack.samples.concat(e)}else Zr.debug.warn(Kr.TAG_NAME,"aac seq header not send")}else Zr.debug.warn(Kr.TAG_NAME,"aac parseADTS error")}Kr._audioPesData=[]}}else Zr.debug.warn(Kr.TAG_NAME,"Cannot parse audio pes",Kr._audioPesData)},_fix(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];e=Math.round(9e4*e);const i=Kr.videoTrack,n=Kr.audioTrack,s=i.samples,o=n.samples;if(!s.length&&!o.length)return;const a=s[0],d=o[0];let l=0;if(s.length&&o.length&&(l=a.dts-d.pts),Kr._baseDtsInited||Kr._calculateBaseDts(),t&&(Kr._calculateBaseDts(),Kr._baseDts-=e),!r){Kr._videoNextDts=l>0?e+l:e,Kr._audioNextPts=l>0?e:e-l;const t=a?a.dts-Kr._baseDts-Kr._videoNextDts:0,r=d?d.pts-Kr._baseDts-Kr._audioNextPts:0;Math.abs(t||r)>MAX_VIDEO_FRAME_DURATION&&(Kr._calculateBaseDts(Kr.audioTrack,Kr.videoTrack),Kr._baseDts-=e)}Kr._resetBaseDtsWhenStreamBreaked(),Kr._fixAudio(n),Kr._fixVideo(i);let u=i.samples.concat(n.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===ne?Kr._doDecodeVideo({...e,payload:t}):e.type===ie&&Kr._doDecodeAudio({...e,payload:t})}))},_calculateBaseDts(){const e=Kr.audioTrack,t=Kr.videoTrack,r=e.samples,i=t.samples;if(!r.length&&!i.length)return!1;let n=1/0,s=1/0;r.length&&(e.baseDts=n=r[0].pts),i.length&&(t.baseDts=s=i[0].dts),Kr._baseDts=Math.min(n,s);const o=s-n;return Number.isFinite(o)&&Math.abs(o)>45e3&&Zr.debug.warn(Kr.TAG_NAME,`large av first frame gap,\n                video pts: ${s},\n                audio pts: ${n},\n                base dts: ${Kr._baseDts},\n                detect is: ${o}`),Kr._baseDtsInited=!0,!0},_resetBaseDtsWhenStreamBreaked(){if(Kr._baseDtsInited&&Kr._videoTimestampBreak&&Kr._audioTimestampBreak){if(!Kr._calculateBaseDts(Kr.audioTrack,Kr.videoTrack))return;Kr._baseDts-=Math.min(Kr._audioNextPts,Kr._videoNextDts),Kr._audioLastSample=null,Kr._videoLastSample=null,Kr._videoTimestampBreak=!1,Kr._audioTimestampBreak=!1}},_createVideoSample(e,t,r){if(!e.length)return;const i=Kr._codecType===Ce,n={isIFrame:!1,type:ne,isHevc:i,vps:null,sps:null,pps:null,pts:t,dts:r,payload:null};e.forEach((e=>{const t=i?e[0]>>>1&63:31&e[0];switch(t){case 5:case 16:case 17:case 18:case 19:case 20:case 21:case 22:case 23:if(!i&&5!==t||i&&5===t)break;n.isIFrame=!0,Kr._gopId++;break;case 6:case 39:case 40:if(!i&&6!==t||i&&6===t)break;return void Tr(xr(e),i);case 32:if(!i)break;n.vps||(n.vps=e);break;case 7:case 33:if(!i&&7!==t||i&&7===t)break;n.sps||(n.sps=e);break;case 8:case 34:if(!i&&8!==t||i&&8===t)break;n.pps||(n.pps=e)}if(i&&Mr(t)||!i&&yr(t)){const t=kr(e);if(n.payload){const e=new Uint8Array(n.payload.byteLength+t.byteLength);e.set(n.payload,0),e.set(t,n.payload.byteLength),n.payload=e}else n.payload=t}}));let s=null;i?n.sps&&n.vps&&n.pps&&(s=Pr({vps:n.vps,sps:n.sps,pps:n.pps})):n.sps&&n.pps&&(s=fr({sps:n.sps,pps:n.pps})),s&&(Zr.debug.log(Kr.TAG_NAME,"_createVideoSample","seqHeader"),Zr.isPlayUseMSEAndDecoderInWorker()?Xr.decodeVideo(s,Math.round(n.pts/90),!0,0):Zr.decodeVideo(s,ne,Math.round(n.pts/90),!0,0)),n.isIFrame&&Zr.calcIframeIntervalTimestamp(Math.round(n.dts/90)),Kr.videoTrack.samples=Kr.videoTrack.samples.concat(n)},_fixAudio(e){const t=e.samples;t.length&&(t.forEach((e=>{e.pts-=Kr._baseDts,e.dts=e.pts})),Kr._doFixAudioInternal(e,t,9e4))},_fixVideo(e){const t=e.samples;if(!t.length)return;if(t.forEach((e=>{e.dts-=Kr._baseDts,e.pts-=Kr._baseDts})),void 0===Kr._videoNextDts){const e=t[0];Kr._videoNextDts=e.dts}const r=t.length;let i=0;const n=t[0],s=t[1],o=Kr._videoNextDts-n.dts;let a;Math.abs(o)>45e3&&(n.dts+=o,n.pts+=o,Zr.debug.warn(Kr.TAG_NAME,`large video gap between chunk,\n             next dts is ${Kr._videoNextDts},\n             first dts is ${n.dts},\n             next dts is ${s.dts},\n             duration is ${o}`),s&&Math.abs(s.dts-n.dts)>St&&(Kr._videoTimestampBreak=!0,t.forEach(((e,t)=>{0!==t&&(e.dts+=o,e.pts+=o)}))));const d=e.samples[0],l=e.samples[r-1];a=1===r?9e3:Math.floor((l.dts-d.dts)/(r-1));for(let n=0;n<r;n++){const s=t[n].dts,o=t[n+1];if(i=n<r-1?o.dts-s:t[n-1]?Math.min(s-t[n-1].dts,a):a,i>St||i<0){Kr._videoTimestampBreak=!0,i=Kr._audioTimestampBreak?a:Math.max(i,2700);const r=Kr._audioNextPts||0;o&&o.dts>r&&(i=a),Zr.debug.warn(Kr.TAG_NAME,`large video gap between frames,\n                time is ${s/e.timescale},\n                dts is ${s},\n                origin dts is ${t[n].originalDts},\n                next dts is ${Kr._videoNextDts},\n                sample Duration is ${i} ,\n                ref Sample DurationInt is ${a}`)}t[n].duration=i,Kr._videoNextDts+=i}},_doFixAudioInternal(e,t,r){e.sampleDuration||(e.sampleDuration=Dt(e.timescale,r));const i=e.sampleDuration;if(void 0===Kr._audioNextPts){const e=t[0];Kr._audioNextPts=e.pts}for(let r=0;r<t.length;r++){const n=Kr._audioNextPts,s=t[r],o=s.pts-n;if(!Kr._audioTimestampBreak&&o>=3*i&&o<=wt&&!$t()){Ct(e.codec,e.channelCount)||t[0].data.subarray();const a=Math.floor(o/i);Math.abs(s.pts-Kr._lastAudioExceptionGapDot)>AUDIO_EXCETION_LOG_EMIT_DURATION&&(Kr._lastAudioExceptionGapDot=s.pts),Zr.debug.warn(Kr.TAG_NAME,`audio gap detected,\n                pts is ${t.pts},\n                originPts is ${t.originalPts},\n                count is ${a},\n                nextPts is ${n},\n                ref sample duration is ${i}`);for(let e=0;e<a;e++)Kr._audioNextPts+=i,r++;r--}else o<=-3*i&&o>=-9e4?(Math.abs(s.pts-Kr._lastAudioExceptionOverlapDot)>Et&&(Kr._lastAudioExceptionOverlapDot=s.pts,Zr.debug.warn(Kr.TAG_NAME,`audio overlap detected,\n                    pts is ${s.pts},\n                    originPts is ${s.originalPts},\n                    nextPts is ${n},\n                    ref sample duration is ${i}`)),t.splice(r,1),r--):(Math.abs(o)>=wt&&(Kr._audioTimestampBreak=!0,Math.abs(s.pts-Kr._lastAudioExceptionLargeGapDot)>Et&&(Kr._lastAudioExceptionLargeGapDot=s.pts,Zr.debug.warn(Kr.TAG_NAME,`large audio gap detected,\n                        time is ${s.pts/1e3}\n                        pts is ${s.pts},\n                        originPts is ${s.originalPts},\n                        nextPts is ${n},\n                        sample duration is ${o}\n                        ref sample duration is ${i}`))),s.dts=s.pts=n,Kr._audioNextPts+=i)}},_doDecodeVideo(e){const t=new Uint8Array(e.payload);let r=null;r=e.isHevc?Ir(t,e.isIFrame):mr(t,e.isIFrame),postMessage({cmd:z,type:we,value:r.byteLength}),postMessage({cmd:z,type:Ee,value:e.dts});const i=e.pts-e.dts;let n=Zr.cryptoPayload(r,e.isIFrame);Zr.decode(n,{type:ne,ts:e.dts,isIFrame:e.isIFrame,cts:i})},_doDecodeAudio(){const e=new Uint8Array(sample.payload);postMessage({cmd:z,type:be,value:e.byteLength});let t=e;Qt(Zr._opt.m7sCryptoAudio)&&(t=Zr.cryptoPayloadAudio(e)),Zr.decode(t,{type:ie,ts:sample.dts,isIFrame:!1,cts:0})},destroy(){Kr.videoTrack=null,Kr.audioTrack=null,Kr.tempSampleListInfo={},Kr._baseDts=-1,Kr._baseDtsInited=!1,Kr._basefps=50,Kr._hasCalcFps=!1,Kr._audioNextPts=void 0,Kr._videoNextDts=void 0,Kr._audioTimestampBreak=!1,Kr._videoTimestampBreak=!1,Kr._lastAudioExceptionGapDot=0,Kr._lastAudioExceptionOverlapDot=0,Kr._lastAudioExceptionLargeGapDot=0,Kr._isForHls=!0,Kr._isSendAACSeqHeader=!1,Zr.debug.log(Kr.TAG_NAME,"destroy")}},Xr=null;tr()&&(Xr={TAG_NAME:"worker MediaSource",_resetInIt(){Xr.isAvc=null,Xr.isAAC=null,Xr.videoInfo={},Xr.videoMeta={},Xr.audioMeta={},Xr.sourceBuffer=null,Xr.audioSourceBuffer=null,Xr.hasInit=!1,Xr.hasAudioInit=!1,Xr.isAudioInitInfo=!1,Xr.audioMimeType="",Xr.cacheTrack={},Xr.cacheAudioTrack={},Xr.timeInit=!1,Xr.sequenceNumber=0,Xr.audioSequenceNumber=0,Xr.firstRenderTime=null,Xr.firstAudioTime=null,Xr.mediaSourceAppendBufferFull=!1,Xr.mediaSourceAppendBufferError=!1,Xr.mediaSourceAddSourceBufferError=!1,Xr.mediaSourceBufferError=!1,Xr.mediaSourceError=!1,Xr.prevTimestamp=null,Xr.decodeDiffTimestamp=null,Xr.prevDts=null,Xr.prevAudioDts=null,Xr.prevPayloadBufferSize=0,Xr.isWidthOrHeightChanged=!1,Xr.prevTs=null,Xr.prevAudioTs=null,Xr.eventListenList=[],Xr.pendingRemoveRanges=[],Xr.pendingSegments=[],Xr.pendingAudioRemoveRanges=[],Xr.pendingAudioSegments=[],Xr.supportVideoFrameCallbackHandle=null,Xr.audioSourceBufferCheckTimeout=null,Xr.$video={currentTime:0,readyState:0}},init(){Xr.events=new qi,Xr._resetInIt(),Xr.mediaSource=new self.MediaSource,Xr.isDecodeFirstIIframe=!!er(Zr._opt.checkFirstIFrame),Xr._bindMediaSourceEvents()},destroy(){Xr.stop(),Xr._clearAudioSourceBufferCheckTimeout(),Xr.eventListenList&&Xr.eventListenList.length&&(Xr.eventListenList.forEach((e=>e())),Xr.eventListenList=[]),Xr._resetInIt()},getState:()=>Xr.mediaSource&&Xr.mediaSource.readyState,isStateOpen:()=>Xr.getState()===tt,isStateClosed:()=>Xr.getState()===rt,isStateEnded:()=>Xr.getState()===et,_bindMediaSourceEvents(){const{proxy:e}=Xr.events,t=e(Xr.mediaSource,nt,(()=>{Zr.debug.log(Xr.TAG_NAME,"sourceOpen"),Xr._onMediaSourceSourceOpen()})),r=e(Xr.mediaSource,it,(()=>{Zr.debug.log(Xr.TAG_NAME,"sourceClose")})),i=e(Xr.mediaSource,st,(()=>{Zr.debug.log(Xr.TAG_NAME,"sourceended")}));Xr.eventListenList.push(t,r,i)},_onMediaSourceSourceOpen(){Xr.sourceBuffer||(Zr.debug.log(Xr.TAG_NAME,"onMediaSourceSourceOpen() sourceBuffer is null and next init"),Xr._initSourceBuffer()),Xr.audioSourceBuffer||(Zr.debug.log(Xr.TAG_NAME,"onMediaSourceSourceOpen() audioSourceBuffer is null and next init"),Xr._initAudioSourceBuffer()),Xr._hasPendingSegments()&&Xr._doAppendSegments()},decodeVideo(e,t,r,i){if(Zr.isDestroyed)Zr.debug.warn(Xr.TAG_NAME,"decodeVideo() and decoder is destroyed");else if(er(Xr.hasInit))if(r&&e[1]===dt){const i=15&e[0];if(i===Ce&&er(Gt()))return void Xr.emitError(Te.mediaSourceH265NotSupport);Xr.videoInfo.codec=i,postMessage({cmd:F,code:i});const n=new Uint8Array(e);postMessage({cmd:I,buffer:n,codecId:i},[n.buffer]),Xr.hasInit=Xr._decodeConfigurationRecord(e,t,r,i)}else Zr.debug.warn(Xr.TAG_NAME,`decodeVideo has not init , isIframe is ${r} , payload is ${e[1]}`);else if(!Xr.isDecodeFirstIIframe&&r&&(Xr.isDecodeFirstIIframe=!0),Xr.isDecodeFirstIIframe){if(r&&0===e[1]){const t=15&e[0];let r={};t===Be?r=cr(e.slice(5)):t===Ce&&(r=Cr(e));const i=Xr.videoInfo;i&&i.codecWidth&&i.codecWidth&&r&&r.codecWidth&&r.codecHeight&&(r.codecWidth!==i.codecWidth||r.codecHeight!==i.codecWidth)&&(this.player.debug.warn(this.TAG_NAME,`\n                                decodeVideo: video width or height is changed,\n                                old width is ${i.codecWidth}, old height is ${i.codecWidth},\n                                new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                                and emit change event`),Xr.isWidthOrHeightChanged=!0,Xr.emitError(Te.mseWidthOrHeightChange))}if(Xr.isWidthOrHeightChanged)return void Zr.debug.warn(Xr.TAG_NAME,"decodeVideo: video width or height is changed, and return");if(Jt(e))return void Zr.debug.warn(Xr.TAG_NAME,"decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<S)return void Zr.debug.warn(Xr.TAG_NAME,`decodeVideo and payload is too small , payload length is ${e.byteLength}`);let n=t;if(Zr.isPlayer){if(null===Xr.firstRenderTime&&(Xr.firstRenderTime=t,postMessage({cmd:te,value:Xr.firstRenderTime})),n=t-Xr.firstRenderTime,n<0&&(Zr.debug.warn(Xr.TAG_NAME,`decodeVideo\n                                 local dts is < 0 , ts is ${t} and prevTs is ${Xr.prevTs},\n                                 firstRenderTime is ${Xr.firstRenderTime} and mseCorrectTimeDuration is ${Zr._opt.mseCorrectTimeDuration}`),n=null===Xr.prevDts?0:Xr.prevDts+Zr._opt.mseCorrectTimeDuration,Xr._checkTsIsMaxDiff(t)))return Zr.debug.warn(Xr.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${Xr.prevTs}, diff is ${Xr.prevTs-t}`),void Xr.emitError(Te.mediaSourceTsIsMaxDiff);if(null!==Xr.prevDts&&n<=Xr.prevDts){if(Zr.debug.warn(Xr.TAG_NAME,`\n                                decodeVideo dts is less than(or equal) prev dts ,\n                                dts is ${n} and prev dts is ${Xr.prevDts} ，\n                                and now ts is ${t} and prev ts is ${Xr.prevTs} ，\n                                and diff is ${t-Xr.prevTs} and firstRenderTime is ${Xr.firstRenderTime} and isIframe is ${r}，\n                                and mseCorrectTimeDuration is ${Zr._opt.mseCorrectTimeDuration},\n                                and prevPayloadBufferSize is ${Xr.prevPayloadBufferSize} and payload size is ${e.byteLength}`),n===Xr.prevDts&&Xr.prevPayloadBufferSize===e.byteLength)return void Zr.debug.warn(Xr.TAG_NAME,"decodeVideo dts is equal to prev dts and payload size is equal to prev payload size so drop this frame");if(n=Xr.prevDts+Zr._opt.mseCorrectTimeDuration,Xr._checkTsIsMaxDiff(t))return Zr.debug.warn(Xr.TAG_NAME,`decodeVideo is max diff , ts is ${t} and prevTs is ${Xr.prevTs}, diff is ${Xr.prevTs-t} and emit replay`),void Xr.emitError(Te.mediaSourceTsIsMaxDiff)}}Zr.isPlayer?Xr._decodeVideo(e,n,r,i,t):Zr.isPlayback,Xr.prevDts=n,Xr.prevPayloadBufferSize=e.byteLength,Xr.prevTs=t}else Zr.debug.log(Xr.TAG_NAME,"decodeVideo first frame is not iFrame")},decodeAudio(e,t){if(Zr.isDestroyed)Zr.debug.warn(Xr.TAG_NAME,"decodeAudio() and decoder is destroyed");else if(er(Xr.hasAudioInit))Xr.hasAudioInit=Xr._decodeAudioConfigurationRecord(e,t);else{let r=t;if(Zr.isPlayer){if(null===Xr.firstAudioTime&&(Xr.firstAudioTime=t,null!==Xr.firstRenderTime&&null!==Xr.prevTs)){const e=Math.abs(Xr.firstRenderTime-Xr.prevTs);e>300&&(Xr.firstAudioTime-=e,Zr.debug.warn(Xr.TAG_NAME,`video\n                                    firstAudioTime is ${Xr.firstRenderTime} and current time is ${Xr.prevTs}\n                                    play time is ${e} and firstAudioTime ${t} - ${e} = ${Xr.firstAudioTime}`))}if(r=t-Xr.firstAudioTime,r<0)return void Zr.debug.warn(Xr.TAG_NAME,`decodeAudio\n                             local dts is < 0 , ts is ${t} and prevTs is ${Xr.prevAudioTs},\n                             firstAudioTime is ${Xr.firstAudioTime}`);if(null!==Xr.prevAudioTs&&r<=Xr.prevAudioDts)return void Zr.debug.warn(Xr.TAG_NAME,`\n                            decodeAudio dts is less than(or equal) prev dts ,\n                            dts is ${r} and prev dts is ${Xr.prevAudioDts} ，\n                            and now ts is ${t} and prev ts is ${Xr.prevAudioTs} ，\n                            and diff is ${t-Xr.prevAudioTs}`)}Zr.isPlayer?Xr._decodeAudio(e,r,t):Zr.isPlayback,Xr.prevAudioTs=t,Xr.prevAudioDts=r}},_checkTsIsMaxDiff:e=>Xr.prevTs>0&&e<Xr.prevTs&&Xr.prevTs-e>w,_decodeConfigurationRecord(e,t,r,i){let n=e.slice(5),s={};if(i===Be?s=cr(n):i===Ce&&(s=Cr(e)),Xr.videoInfo.width=s.codecWidth,Xr.videoInfo.height=s.codecHeight,0===s.codecWidth&&0===s.codecHeight)return Zr.debug.warn(Xr.TAG_NAME,"_decodeConfigurationRecord",s),Xr.emitError(Te.mediaSourceDecoderConfigurationError),!1;const o={id:pt,type:"video",timescale:1e3,duration:0,avcc:n,codecWidth:s.codecWidth,codecHeight:s.codecHeight,videoType:s.videoType},a=Ki.generateInitSegment(o);return Xr.isAvc=i===Be,Zr.debug.log(Xr.TAG_NAME,`_decodeConfigurationRecord mimeType is ${Xr.isAvc?Je:Qe} and isAvc is ${Xr.isAvc}`),Xr._initSourceBuffer(),Xr.appendBuffer(a.buffer),Xr.sequenceNumber=0,Xr.cacheTrack={},Xr.timeInit=!1,!0},_decodeAudioConfigurationRecord(e,t){const r=e[0]>>4,i=r===Me,n=r===Ie;if(er(n||i))return Zr.debug.warn(Xr.TAG_NAME,`_decodeAudioConfigurationRecord audio codec is not support , codecId is ${r} ant auto wasm decode`),Xr.emitError(Te.mediaSourceAudioG711NotSupport),!1;const s={id:mt,type:"audio",timescale:1e3};let o={};if(n&&xt(e)){if(o=It(e.slice(2)),!o)return!1;s.audioSampleRate=o.sampleRate,s.channelCount=o.channelCount,s.config=o.config,s.refSampleDuration=1024/s.audioSampleRate*s.timescale}else{if(!i)return!1;if(o=sn(e),!o)return!1;s.audioSampleRate=o.samplingRate,s.channelCount=o.channelCount,s.refSampleDuration=1152/s.audioSampleRate*s.timescale}s.codec=o.codec,s.duration=0;let a="mp4",d=o.codec,l=null;i&&er(Nt())?(a="mpeg",d="",l=new Uint8Array):l=Ki.generateInitSegment(s);let u=`${s.type}/${a}`;return d&&d.length>0&&(u+=`;codecs=${d}`),er(Xr.isAudioInitInfo)&&(Xr.isAudioInitInfo=!0),Xr.audioMimeType=u,Xr.isAAC=n,Zr.debug.log(Xr.TAG_NAME,`_decodeAudioConfigurationRecord mimeType is ${u} and isAAC is ${n}`),Xr._initAudioSourceBuffer(),Xr.appendAudioBuffer(l.buffer),!0},_initSourceBuffer(){const{proxy:e}=Xr.events;if(null===Xr.sourceBuffer&&null!==Xr.mediaSource&&Xr.isStateOpen()&&null!==Xr.isAvc){let t=Xr.isAvc?Je:Qe;try{Xr.sourceBuffer=Xr.mediaSource.addSourceBuffer(t),Zr.debug.log(Xr.TAG_NAME,"_initSourceBuffer() this.mediaSource.addSourceBuffer()",t)}catch(e){return Zr.debug.error(Xr.TAG_NAME,"appendBuffer() this.mediaSource.addSourceBuffer()",e.code,e),Xr.emitError(Te.mseAddSourceBufferError,e.code),void(Xr.mediaSourceAddSourceBufferError=!0)}if(Xr.sourceBuffer){const t=e(Xr.sourceBuffer,"error",(e=>{Xr.mediaSourceBufferError=!0,Zr.debug.error(Xr.TAG_NAME,"mseSourceBufferError this.sourceBuffer",e),Xr.emitError(Te.mseSourceBufferError,e.code)})),r=e(Xr.sourceBuffer,"updateend",(()=>{Xr._hasPendingRemoveRanges()?Xr._doRemoveRanges():Xr._hasPendingSegments()&&Xr._doAppendSegments()}));Xr.eventListenList.push(t,r)}}else Zr.debug.log(Xr.TAG_NAME,`_initSourceBuffer and this.isStateOpen is ${Xr.isStateOpen()} and this.isAvc === null is ${null===Xr.isAvc}`)},_initAudioSourceBuffer(){const{proxy:e}=Xr.events;if(null===Xr.audioSourceBuffer&&null!==Xr.mediaSource&&Xr.isStateOpen()&&Xr.audioMimeType){try{Xr.audioSourceBuffer=Xr.mediaSource.addSourceBuffer(Xr.audioMimeType),Xr._clearAudioSourceBufferCheckTimeout(),Zr.debug.log(Xr.TAG_NAME,"_initAudioSourceBuffer() this.mediaSource.addSourceBuffer()",Xr.audioMimeType)}catch(e){return Zr.debug.error(Xr.TAG_NAME,"appendAudioBuffer() this.mediaSource.addSourceBuffer()",e.code,e),Xr.emitError(Te.mseAddSourceBufferError,e.code),void(Xr.mediaSourceAddSourceBufferError=!0)}if(Xr.audioSourceBuffer){const t=e(Xr.audioSourceBuffer,"error",(e=>{Xr.mediaSourceBufferError=!0,Zr.debug.error(Xr.TAG_NAME,"mseSourceBufferError this.audioSourceBuffer",e),Xr.emitError(Te.mseSourceBufferError,e.code)})),r=e(Xr.audioSourceBuffer,"updateend",(()=>{Xr._hasPendingRemoveRanges()?Xr._doRemoveRanges():Xr._hasPendingSegments()&&Xr._doAppendSegments()}));Xr.eventListenList.push(t,r)}}else Zr.debug.log(Xr.TAG_NAME,`_initAudioSourceBuffer and this.isStateOpen is ${Xr.isStateOpen()} and this.audioMimeType is ${Xr.audioMimeType}`)},_decodeVideo(e,t,r,i,n){let s=e.slice(5),o=s.byteLength;if(0===o)return void Zr.debug.warn(Xr.TAG_NAME,"_decodeVideo payload bytes is 0 and return");let a=(new Date).getTime(),d=!1;Xr.prevTimestamp||(Xr.prevTimestamp=a,d=!0);const l=a-Xr.prevTimestamp;if(Xr.decodeDiffTimestamp=l,l>500&&!d&&Zr.isPlayer&&Zr.debug.warn(Xr.TAG_NAME,`_decodeVideo now time is ${a} and prev time is ${Xr.prevTimestamp}, diff time is ${l} ms`),Xr.cacheTrack.id&&t>=Xr.cacheTrack.dts){let e=8+Xr.cacheTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(Ki.types.mdat,4),r.set(Xr.cacheTrack.data,8),Xr.cacheTrack.duration=t-Xr.cacheTrack.dts;let i=Ki.moof(Xr.cacheTrack,Xr.cacheTrack.dts);Xr.cacheTrack={};let n=new Uint8Array(i.byteLength+r.byteLength);n.set(i,0),n.set(r,i.byteLength),Xr.appendBuffer(n.buffer)}else Zr.debug.log(Xr.TAG_NAME,`timeInit set false , cacheTrack = {} now dts is ${t}, and ts is ${n} cacheTrack dts is ${Xr.cacheTrack&&Xr.cacheTrack.dts}`),Xr.timeInit=!1,Xr.cacheTrack={};Xr.cacheTrack||(Xr.cacheTrack={}),Xr.cacheTrack.id=pt,Xr.cacheTrack.sequenceNumber=++Xr.sequenceNumber,Xr.cacheTrack.size=o,Xr.cacheTrack.dts=t,Xr.cacheTrack.cts=i,Xr.cacheTrack.isKeyframe=r,Xr.cacheTrack.data=s,Xr.cacheTrack.flags={isLeading:0,dependsOn:r?2:1,isDependedOn:r?1:0,hasRedundancy:0,isNonSync:r?0:1},Xr.prevTimestamp=(new Date).getTime()},_decodeAudio(e,t,r){let i=Xr.isAAC?e.slice(2):e.slice(1),n=i.byteLength;if(Xr.cacheAudioTrack.id&&t>=Xr.cacheAudioTrack.dts){let e=8+Xr.cacheAudioTrack.size,r=new Uint8Array(e);r[0]=e>>>24&255,r[1]=e>>>16&255,r[2]=e>>>8&255,r[3]=255&e,r.set(Ki.types.mdat,4),r.set(Xr.cacheAudioTrack.data,8),Xr.cacheAudioTrack.duration=t-Xr.cacheAudioTrack.dts;let i=Ki.moof(Xr.cacheAudioTrack,Xr.cacheAudioTrack.dts);Xr.cacheAudioTrack={};let n=new Uint8Array(i.byteLength+r.byteLength);n.set(i,0),n.set(r,i.byteLength),Xr.appendAudioBuffer(n.buffer)}else Xr.cacheAudioTrack={};Xr.cacheAudioTrack||(Xr.cacheAudioTrack={}),Xr.cacheAudioTrack.id=mt,Xr.cacheAudioTrack.sequenceNumber=++Xr.audioSequenceNumber,Xr.cacheAudioTrack.size=n,Xr.cacheAudioTrack.dts=t,Xr.cacheAudioTrack.cts=0,Xr.cacheAudioTrack.data=i,Xr.cacheAudioTrack.flags={isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0}},appendBuffer(e){Zr.isDestroyed?Zr.debug.warn(Xr.TAG_NAME,"appendBuffer() player is destroyed"):Xr.mediaSourceAddSourceBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAddSourceBufferError is true"):Xr.mediaSourceAppendBufferFull?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAppendBufferFull is true"):Xr.mediaSourceAppendBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAppendBufferError is true"):Xr.mediaSourceBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceBufferError is true"):(Xr.pendingSegments.push(e),Xr.sourceBuffer&&(Zr._opt.mseAutoCleanupSourceBuffer&&Xr._needCleanupSourceBuffer()&&Xr._doCleanUpSourceBuffer(),er(Xr.getSourceBufferUpdating())&&Xr.isStateOpen()&&er(Xr._hasPendingRemoveRanges()))?Xr._doAppendSegments():Xr.isStateClosed()?(Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):Xr.isStateEnded()?(Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,"mediaSource is end")):Xr._hasPendingRemoveRanges()&&Zr.debug.log(Xr.TAG_NAME,`video has pending remove ranges and video length is ${Xr.pendingRemoveRanges.length}, audio length is ${Xr.pendingAudioRemoveRanges.length}`))},appendAudioBuffer(e){Zr.isDestroyed?Zr.debug.warn(Xr.TAG_NAME,"appendAudioBuffer() player is destroyed"):Xr.mediaSourceAddSourceBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAddSourceBufferError is true"):Xr.mediaSourceAppendBufferFull?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAppendBufferFull is true"):Xr.mediaSourceAppendBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceAppendBufferError is true"):Xr.mediaSourceBufferError?Zr.debug.warn(Xr.TAG_NAME,"this.mediaSourceBufferError is true"):(Xr.pendingAudioSegments.push(e),Xr.audioSourceBuffer&&(Zr._opt.mseAutoCleanupSourceBuffer&&Xr._needCleanupSourceBuffer()&&Xr._doCleanUpSourceBuffer(),er(Xr.getAudioSourceBufferUpdating())&&Xr.isStateOpen()&&er(Xr._hasPendingRemoveRanges()))?Xr._doAppendSegments():Xr.isStateClosed()?(Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,"mediaSource is not attached to video or mediaSource is closed")):Xr.isStateEnded()?(Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,"mediaSource is end")):Xr._hasPendingRemoveRanges()&&Zr.debug.log(Xr.TAG_NAME,`audio has pending remove ranges and video length is ${Xr.pendingRemoveRanges.length}, audio length is ${Xr.pendingAudioRemoveRanges.length}`))},getSourceBufferUpdating:()=>Xr.sourceBuffer&&Xr.sourceBuffer.updating,getAudioSourceBufferUpdating:()=>Xr.audioSourceBuffer&&Xr.audioSourceBuffer.updating,stop(){Xr.removeSourceBuffer(),Xr.endOfStream(),Xr.abortSourceBuffer()},clearUpAllSourceBuffer(){if(Xr.sourceBuffer){const e=Xr.sourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);Xr.pendingRemoveRanges.push({start:r,end:i})}er(Xr.getSourceBufferUpdating())&&Xr._doRemoveRanges()}if(Xr.audioSourceBuffer){const e=Xr.audioSourceBuffer.buffered;for(let t=0;t<e.length;t++){let r=e.start(t),i=e.end(t);Xr.pendingAudioRemoveRanges.push({start:r,end:i})}er(Xr.getAudioSourceBufferUpdating())&&Xr._doRemoveRanges()}},endOfStream(){if(Xr.isStateOpen())try{Zr.debug.log(Xr.TAG_NAME,"endOfStream()"),Xr.mediaSource.endOfStream()}catch(e){Zr.debug.warn(Xr.TAG_NAME,"endOfStream() error",e)}},abortSourceBuffer(){if(Xr.isStateOpen){if(Xr.sourceBuffer)try{Zr.debug.log(Xr.TAG_NAME,"abortSourceBuffer() abort sourceBuffer"),Xr.sourceBuffer.abort()}catch(e){}if(Xr.audioSourceBuffer)try{Zr.debug.log(Xr.TAG_NAME,"abortSourceBuffer() abort audioSourceBuffer"),Xr.audioSourceBuffer.abort()}catch(e){}}Xr.sourceBuffer=null,Xr.audioSourceBuffer=null},removeSourceBuffer(){if(!Xr.isStateClosed()&&Xr.mediaSource){if(Xr.sourceBuffer)try{Zr.debug.log(Xr.TAG_NAME,"removeSourceBuffer() sourceBuffer"),Xr.mediaSource.removeSourceBuffer(Xr.sourceBuffer)}catch(e){Zr.debug.warn(Xr.TAG_NAME,"removeSourceBuffer() sourceBuffer error",e)}if(Xr.audioSourceBuffer)try{Zr.debug.log(Xr.TAG_NAME,"removeSourceBuffer() audioSourceBuffer"),Xr.mediaSource.removeSourceBuffer(Xr.audioSourceBuffer)}catch(e){Zr.debug.warn(Xr.TAG_NAME,"removeSourceBuffer() audioSourceBuffer error",e)}}},_hasPendingSegments:()=>Xr.pendingSegments.length>0||Xr.pendingAudioSegments.length>0,getPendingSegmentsLength:()=>Xr.pendingSegments.length,_handleUpdatePlaybackRate(){},_doAppendSegments(){if(!Xr.isStateClosed()&&!Xr.isStateEnded()){if(Xr.needInitAudio()&&null===Xr.audioSourceBuffer)return Zr.debug.log(Xr.TAG_NAME,"_doAppendSegments() audioSourceBuffer is null and need init audio source buffer"),void(null===Xr.audioSourceBufferCheckTimeout&&(Xr.audioSourceBufferCheckTimeout=setTimeout((()=>{Xr._clearAudioSourceBufferCheckTimeout(),Xr.emitError(Te.mediaSourceAudioInitTimeout)}),1e3)));if(er(Xr.getSourceBufferUpdating())&&Xr.pendingSegments.length>0){const e=Xr.pendingSegments.shift();try{Xr.sourceBuffer.appendBuffer(e)}catch(e){Zr.debug.error(Xr.TAG_NAME,"this.sourceBuffer.appendBuffer()",e.code,e),22===e.code?(Xr.stop(),Xr.mediaSourceAppendBufferFull=!0,Xr.emitError(Te.mediaSourceFull)):11===e.code?(Xr.stop(),Xr.mediaSourceAppendBufferError=!0,Xr.emitError(Te.mediaSourceAppendBufferError)):(Xr.stop(),Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,e.code))}}if(er(Xr.getAudioSourceBufferUpdating())&&Xr.pendingAudioSegments.length>0){const e=Xr.pendingAudioSegments.shift();try{Xr.audioSourceBuffer.appendBuffer(e)}catch(e){Zr.debug.error(Xr.TAG_NAME,"this.audioSourceBuffer.appendBuffer()",e.code,e),22===e.code?(Xr.stop(),Xr.mediaSourceAppendBufferFull=!0,Xr.emitError(Te.mediaSourceFull)):11===e.code?(Xr.stop(),Xr.mediaSourceAppendBufferError=!0,Xr.emitError(Te.mediaSourceAppendBufferError)):(Xr.stop(),Xr.mediaSourceBufferError=!0,Xr.emitError(Te.mseSourceBufferError,e.code))}}}},_doCleanUpSourceBuffer(){const e=Xr.$video.currentTime;if(Xr.sourceBuffer){const t=Xr.sourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let n=t.start(i),s=t.end(i);if(n<=e&&e<s+3){if(e-n>=Zr._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-Zr._opt.mseAutoCleanupMinBackwardDuration;Xr.pendingRemoveRanges.push({start:n,end:t})}}else s<e&&(r=!0,Xr.pendingRemoveRanges.push({start:n,end:s}))}r&&er(Xr.getSourceBufferUpdating())&&Xr._doRemoveRanges()}if(Xr.audioSourceBuffer){const t=Xr.audioSourceBuffer.buffered;let r=!1;for(let i=0;i<t.length;i++){let n=t.start(i),s=t.end(i);if(n<=e&&e<s+3){if(e-n>=Zr._opt.mseAutoCleanupMaxBackwardDuration){r=!0;let t=e-Zr._opt.mseAutoCleanupMinBackwardDuration;Xr.pendingAudioRemoveRanges.push({start:n,end:t})}}else s<e&&(r=!0,Xr.pendingAudioRemoveRanges.push({start:n,end:s}))}r&&er(Xr.getAudioSourceBufferUpdating())&&Xr._doRemoveRanges()}},_hasPendingRemoveRanges:()=>Xr.pendingRemoveRanges.length>0||Xr.pendingAudioRemoveRanges.length>0,needInitAudio:()=>Zr._opt.hasAudio&&Zr._opt.mseDecodeAudio,_doRemoveRanges(){if(Xr.sourceBuffer&&er(Xr.getSourceBufferUpdating())){let e=Xr.pendingRemoveRanges;for(;e.length&&er(Xr.getSourceBufferUpdating());){let t=e.shift();try{Xr.sourceBuffer.remove(t.start,t.end)}catch(e){Zr.debug.warn(Xr.TAG_NAME,"_doRemoveRanges() sourceBuffer error",e)}}}if(Xr.audioSourceBuffer&&er(Xr.getAudioSourceBufferUpdating())){let e=Xr.pendingAudioRemoveRanges;for(;e.length&&er(Xr.getAudioSourceBufferUpdating());){let t=e.shift();try{Xr.audioSourceBuffer.remove(t.start,t.end)}catch(e){Zr.debug.warn(Xr.TAG_NAME,"_doRemoveRanges() audioSourceBuffer error",e)}}}},_getPlaybackRate(){},_needCleanupSourceBuffer(){if(er(Zr._opt.mseAutoCleanupSourceBuffer))return!1;const e=Xr.$video.currentTime;if(Xr.sourceBuffer){let t=Xr.sourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=Zr._opt.mseAutoCleanupMaxBackwardDuration)return!0}if(Xr.audioSourceBuffer){let t=Xr.audioSourceBuffer.buffered;if(t.length>=1&&e-t.start(0)>=Zr._opt.mseAutoCleanupMaxBackwardDuration)return!0}return!1},_clearAudioSourceBufferCheckTimeout(){Xr.audioSourceBufferCheckTimeout&&(clearTimeout(Xr.audioSourceBufferCheckTimeout),Xr.audioSourceBufferCheckTimeout=null)},getHandle:()=>Xr.mediaSource.handle,emitError(e){postMessage({cmd:re,value:e,msg:arguments.length>1&&void 0!==arguments[1]?arguments[1]:""})}});let Zr={isPlayer:!0,isPlayback:!1,dropping:!1,isPushDropping:!1,isWorkerFetch:!1,isDestroyed:!1,fetchStatus:ct,_opt:Vr(),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(){Zr.stopStreamRateAndStatsInterval(),l=setInterval((()=>{d&&d(0);const e=JSON.stringify({demuxBufferDelay:Zr.getVideoBufferLength(),audioDemuxBufferDelay:Zr.getAudioBufferLength(),flvBufferByteLength:Zr.getFlvBufferLength(),netBuf:Zr.networkDelay||0,pushLatestDelay:Zr.pushLatestDelay||0,latestDelay:Zr.delay,isStreamTsMoreThanLocal:lt});postMessage({cmd:z,type:Ae,value:e})}),1e3)},stopStreamRateAndStatsInterval:function(){l&&(clearInterval(l),l=null)},useOffscreen:function(){return Zr._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e,t){if(!e||Zr._opt.hasVideo&&!ot)return-1;if(t===ie)return Zr.delay;if(Zr.preDelayTimestamp&&Zr.preDelayTimestamp>e)return Zr.preDelayTimestamp-e>1e3&&Zr.debug.warn("worker",`getDelay() and preDelayTimestamp is ${Zr.preDelayTimestamp} > timestamp is ${e} more than ${Zr.preDelayTimestamp-e}ms and return ${Zr.delay}`),Zr.preDelayTimestamp=e,Zr.delay;if(Zr.firstTimestamp){if(e){const t=Date.now()-Zr.startTimestamp,r=e-Zr.firstTimestamp;t>=r?(lt=!1,Zr.delay=t-r):(lt=!0,Zr.delay=r-t)}}else Zr.firstTimestamp=e,Zr.startTimestamp=Date.now(),Zr.delay=-1;return Zr.preDelayTimestamp=e,Zr.delay},getDelayNotUpdateDelay:function(e,t){if(!e||Zr._opt.hasVideo&&!ot)return-1;if(t===ie)return Zr.pushLatestDelay;if(Zr.preDelayTimestamp&&Zr.preDelayTimestamp-e>1e3)return Zr.debug.warn("worker",`getDelayNotUpdateDelay() and preDelayTimestamp is ${Zr.preDelayTimestamp} > timestamp is ${e} more than ${Zr.preDelayTimestamp-e}ms and return -1`),-1;if(Zr.firstTimestamp){let t=-1;if(e){const r=Date.now()-Zr.startTimestamp,i=e-Zr.firstTimestamp;r>=i?(lt=!1,t=r-i):(lt=!0,t=i-r)}return t}return-1},resetDelay:function(){Zr.firstTimestamp=null,Zr.startTimestamp=null,Zr.delay=-1,Zr.dropping=!1},resetAllDelay:function(){Zr.resetDelay(),Zr.preDelayTimestamp=null},doDecode:function(e){Zr._opt.isEmitSEI&&e.type===ne&&Zr.isWorkerFetch&&Zr.findSei(e.payload,e.ts),Zr.isPlayUseMSEAndDecoderInWorker()?e.type===ie?Zr._opt.mseDecodeAudio?Xr.decodeAudio(e.payload,e.ts):e.decoder.decode(e.payload,e.ts):e.type===ne&&Xr.decodeVideo(e.payload,e.ts,e.isIFrame,e.cts):Zr._opt.useWCS&&Zr.useOffscreen()&&e.type===ne&&s.decode?s.decode(e.payload,e.ts,e.cts):e.decoder.decode(e.payload,e.ts,e.isIFrame,e.cts)},decodeNext(e){if(0===i.length)return;const t=e.ts,n=i[0],s=e.type===ne&&Jt(e.payload);if(er(r))s&&(Zr.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${t} next data type is ${n.type} ts is ${n.ts}\n                isVideoSqeHeader is ${s}`),i.shift(),Zr.doDecode(n));else{const r=n.ts-t,o=n.type===ie&&e.type===ne;(r<=20||o||s)&&(Zr.debug.log("worker",`decode data type is ${e.type} and\n                ts is ${t} next data type is ${n.type} ts is ${n.ts}\n                diff is ${r} and isVideoAndNextAudio is ${o} and isVideoSqeHeader is ${s}`),i.shift(),Zr.doDecode(n))}},init:function(){Zr.debug.log("worker","init and opt is",JSON.stringify(Zr._opt));const e=Zr._opt.playType===g,t=Zr._opt.playType===_;if(jr.init(),Zr.isPlayer=e,Zr.isPlayback=t,Zr.isPlayUseMSEAndDecoderInWorker()&&Xr&&Xr.init(),Zr.isPlaybackCacheBeforeDecodeForFpsRender())Zr.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{Zr.debug.log("worker","setInterval()");const t=Zr._opt.videoBuffer+Zr._opt.videoBufferDelay,r=()=>{let r=null;if(i.length){if(Zr.isPushDropping)return void Zr.debug.warn("worker",`loop() isPushDropping is true and bufferList length is ${i.length}`);if(Zr.dropping){for(r=i.shift(),Zr.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${r.isIFrame} and delay is ${Zr.delay} and bufferlist is ${i.length}`);!r.isIFrame&&i.length;)r=i.shift();const e=Zr.getDelayNotUpdateDelay(r.ts,r.type);r.isIFrame&&e<=Zr.getNotDroppingDelayTs()&&(Zr.debug.log("worker","loop() is dropping = false, is iFrame"),Zr.dropping=!1,Zr.doDecode(r),Zr.decodeNext(r))}else if(Zr.isPlayback||Zr.isPlayUseMSE()||0===Zr._opt.videoBuffer)for(;i.length;)r=i.shift(),Zr.doDecode(r);else if(r=i[0],-1===Zr.getDelay(r.ts,r.type))Zr.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",r.ts),i.shift(),Zr.doDecode(r),Zr.decodeNext(r);else if(Zr.delay>t&&e)Zr.hasIframeInBufferList()?(Zr.debug.log("worker",`delay is ${Zr.delay} > maxDelay ${t}, set dropping is true`),Zr.resetAllDelay(),Zr.dropping=!0,postMessage({cmd:$})):(i.shift(),Zr.doDecode(r),Zr.decodeNext(r));else for(;i.length;){if(r=i[0],!(Zr.getDelay(r.ts,r.type)>Zr._opt.videoBuffer)){Zr.delay<0&&Zr.debug.warn("worker",`loop() do not decode and delay is ${Zr.delay}, bufferList is ${i.length}`);break}i.shift(),Zr.doDecode(r)}}else-1!==Zr.delay&&Zr.debug.log("worker","loop() bufferList is empty and reset delay"),Zr.resetAllDelay()};Zr.stopId=setInterval((()=>{let e=(new Date).getTime();At||(At=e);const t=e-At;t>100&&Zr.debug.warn("worker",`loop demux diff time is ${t}`),r(),At=(new Date).getTime()}),20)}if(er(Zr._opt.checkFirstIFrame)&&(ot=!0),Zr.isPlayUseMSEAndDecoderInWorker()&&Xr){const e=Xr.getHandle();e&&postMessage({cmd:ee,mseHandle:e},[e])}},playbackCacheLoop:function(){Zr.stopId&&(clearInterval(Zr.stopId),Zr.stopId=null);const e=()=>{let e=null;i.length&&(e=i.shift(),Zr.doDecode(e))};e();const t=Math.ceil(1e3/(Zr.streamFps*Zr._opt.playbackRate));Zr.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${Zr.streamFps}, streamAudioFps is ${Zr.streamAudioFps} ,streamVideoFps is ${Zr.streamVideoFps} playbackRate is ${Zr._opt.playbackRate}`),Zr.stopId=setInterval(e,t)},close:function(){if(Zr.debug.log("worker","close"),Zr.isDestroyed=!0,Wr(),!a||1!==a.readyState&&2!==a.readyState?a&&Zr.debug.log("worker",`close() and socket.readyState is ${a.readyState}`):(Hr=!0,a.close(1e3,"Client disconnecting")),a=null,Zr.stopStreamRateAndStatsInterval(),Zr.stopId&&(clearInterval(Zr.stopId),Zr.stopId=null),Zr.mp3Demuxer&&(Zr.mp3Demuxer.destroy(),Zr.mp3Demuxer=null),Zr.writableStream&&er(Zr.writableStream.locked)&&Zr.writableStream.close().catch((e=>{Zr.debug.log("worker","close() and writableStream.close() error",e)})),Zr.writableStream=null,Jr)try{Jr.clear&&Jr.clear(),Jr=null}catch(e){Zr.debug.warn("worker","close() and audioDecoder.clear error",e)}if(Qr)try{Qr.clear&&Qr.clear(),Qr=null}catch(e){Zr.debug.warn("worker","close() and videoDecoder.clear error",e)}d=null,At=null,lt=!1,s&&(s.reset&&s.reset(),s=null),Xr&&(Xr.destroy(),Xr=null),Zr.firstTimestamp=null,Zr.startTimestamp=null,Zr.networkDelay=0,Zr.streamFps=null,Zr.streamAudioFps=null,Zr.streamVideoFps=null,Zr.delay=-1,Zr.pushLatestDelay=-1,Zr.preDelayTimestamp=null,Zr.dropping=!1,Zr.isPushDropping=!1,Zr.isPlayer=!0,Zr.isPlayback=!1,Zr.isWorkerFetch=!1,Zr._opt=Vr(),Zr.webglObj&&(Zr.webglObj.destroy(),Zr.offscreenCanvas.removeEventListener("webglcontextlost",Zr.onOffscreenCanvasWebglContextLost),Zr.offscreenCanvas.removeEventListener("webglcontextrestored",Zr.onOffscreenCanvasWebglContextRestored),Zr.offscreenCanvas=null,Zr.offscreenCanvasGL=null,Zr.offscreenCanvasCtx=null),i=[],n=[],u=null,v=null,b=null,A=!1,Ye=!1,ot=!1,Er=!1,Sr=!1,Dr=!1,$r=null,Or=null,Mt=[],nr=0,sr=0,kt=null,Ft=null,dr=null,lr=null,Gr=null,ur=0,wr=0,rr=null,ir=null,Zr.fetchStatus=ct,jr.destroy(),Yr.destroy(),qr.destroy(),Kr.destroy(),postMessage({cmd:j})},pushBuffer:function(e,t){if(t.type===ie&&xt(e)){if(Zr.debug.log("worker",`pushBuffer audio ts is ${t.ts}, isAacCodecPacket is true`),Zr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:X,buffer:t},[t.buffer])}Zr.isPlayUseMSEAndDecoderInWorker()&&Zr._opt.mseDecodeAudio?Xr.decodeAudio(e,t.ts):Zr.decodeAudio(e,t.ts)}else if(t.type===ne&&t.isIFrame&&Jt(e)){if(Zr.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),Zr._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:Z,buffer:t},[t.buffer])}Zr.isPlayUseMSEAndDecoderInWorker()?Xr.decodeVideo(e,t.ts,t.isIFrame,t.cts):Zr.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(Zr._opt.isRecording)if(Zr._opt.isRecordTypeFlv){const r=new Uint8Array(e);postMessage({cmd:J,type:t.type,buffer:r,ts:t.ts},[r.buffer])}else if(Zr._opt.recordType===y)if(t.type===ne){const r=new Uint8Array(e).slice(5);postMessage({cmd:L,buffer:r,isIFrame:t.isIFrame,ts:t.ts,cts:t.cts},[r.buffer])}else if(t.type===ie&&Zr._opt.isWasmMp4){const r=new Uint8Array(e),i=Tt(r)?r.slice(2):r.slice(1);postMessage({cmd:D,buffer:i,ts:t.ts},[i.buffer])}if(Zr.isPlayer&&ur>0&&lr>0&&t.type===ne){const e=t.ts-lr,r=ur+ur/2;e>r&&Zr.debug.log("worker",`pushBuffer video\n                    ts is ${t.ts}, preTimestamp is ${lr},\n                    diff is ${e} and preTimestampDuration is ${ur} and maxDiff is ${r}\n                    maybe trigger black screen or flower screen\n                    `)}if(Zr.isPlayer&&lr>0&&t.type===ne&&t.ts<lr&&lr-t.ts>w&&(Zr.debug.warn("worker",`pushBuffer,\n                preTimestamp is ${lr}, options.ts is ${t.ts},\n                diff is ${lr-t.ts} more than 3600000,\n                and resetAllDelay`),Zr.resetAllDelay(),lr=null,ur=0),Zr.isPlayer&&lr>0&&t.ts<=lr&&t.type===ne&&(Zr.debug.warn("worker",`pushBuffer,\n                options.ts is ${t.ts} less than (or equal) preTimestamp is ${lr} and\n                payloadBufferSize is ${e.byteLength} and prevPayloadBufferSize is ${wr}`),Zr._opt.isDropSameTimestampGop&&ot)){const e=Zr.hasIframeInBufferList(),t=er(Zr.isPushDropping);return Zr.debug.log("worker",`pushBuffer, isDropSameTimestampGop is true and\n                    hasIframe is ${e} and isNotPushDropping is ${t} and next dropBuffer`),void(e&&t?Zr.dropBuffer$2():(Zr.clearBuffer(!0),Qt(Zr._opt.checkFirstIFrame)&&Qt(r)&&(this.isPlayUseMSEAndDecoderInWorker()?Xr.isDecodeFirstIIframe=!1:postMessage({cmd:Q}))))}if(Zr.isPlayer&&ot){const e=Zr._opt.videoBuffer+Zr._opt.videoBufferDelay,r=Zr.getDelayNotUpdateDelay(t.ts,t.type);Zr.pushLatestDelay=r,r>e&&Zr.delay<e&&Zr.delay>0&&Zr.hasIframeInBufferList()&&!1===Zr.isPushDropping&&(Zr.debug.log("worker",`pushBuffer(), pushLatestDelay is ${r} more than ${e} and decoder.delay is ${Zr.delay} and has iIframe and next decoder.dropBuffer$2()`),Zr.dropBuffer$2())}if(Zr.isPlayer&&t.type===ne&&(lr>0&&(ur=t.ts-lr),wr=e.byteLength,lr=t.ts),t.type===ie?i.push({ts:t.ts,payload:e,decoder:{decode:Zr.decodeAudio},type:ie,isIFrame:!1}):t.type===ne&&i.push({ts:t.ts,cts:t.cts,payload:e,decoder:{decode:Zr.decodeVideo},type:ne,isIFrame:t.isIFrame}),Zr.isPlaybackCacheBeforeDecodeForFpsRender()&&(Ht(Zr.streamVideoFps)||Ht(Zr.streamAudioFps))){let e=Zr.streamVideoFps,t=Zr.streamAudioFps;if(Ht(Zr.streamVideoFps)&&(e=Kt(i,ne),e&&(Zr.streamVideoFps=e,postMessage({cmd:G,value:Zr.streamVideoFps}),Zr.streamFps=t?e+t:e,er(Zr._opt.hasAudio)&&(Zr.debug.log("worker","playbackCacheBeforeDecodeForFpsRender, _opt.hasAudio is false and set streamAudioFps is 0"),Zr.streamAudioFps=0),Zr.playbackCacheLoop())),Ht(Zr.streamAudioFps)&&(t=Kt(i,ie),t&&(Zr.streamAudioFps=t,Zr.streamFps=e?e+t:t,Zr.playbackCacheLoop())),Ht(Zr.streamVideoFps)&&Ht(Zr.streamAudioFps)){const r=i.map((e=>({type:e.type,ts:e.ts})));Zr.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength  is ${i.length}, and ts list is ${JSON.stringify(r)}`)}const r=Zr.getAudioBufferLength()>0,n=r?60:40;i.length>=n&&(Zr.debug.warn("worker",`playbackCacheBeforeDecodeForFpsRender, bufferListLength  is ${i.length} more than ${n}, and hasAudio is ${r} an set streamFps is 25`),Zr.streamVideoFps=25,postMessage({cmd:G,value:Zr.streamVideoFps}),r?(Zr.streamAudioFps=25,Zr.streamFps=Zr.streamVideoFps+Zr.streamAudioFps):Zr.streamFps=Zr.streamVideoFps,Zr.playbackCacheLoop())}}},getVideoBufferLength(){let e=0;return i.forEach((t=>{t.type===ne&&(e+=1)})),e},hasIframeInBufferList:()=>i.some((e=>e.type===ne&&e.isIFrame)),isAllIframeInBufferList(){const e=Zr.getVideoBufferLength();let t=0;return i.forEach((e=>{e.type===ne&&e.isIFrame&&(t+=1)})),e===t},getNotDroppingDelayTs:()=>Zr._opt.videoBuffer+Zr._opt.videoBufferDelay/2,getAudioBufferLength(){let e=0;return i.forEach((t=>{t.type===ie&&(e+=1)})),e},getFlvBufferLength(){let e=0;return u&&u.buffer&&(e=u.buffer.byteLength),Zr._opt.isNakedFlow&&jr.lastBuf&&(e=jr.lastBuf.byteLength),e},fetchStream:function(e,t){Zr.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(t)),Zr.isWorkerFetch=!0,t.isFlv?Zr._opt.isFlv=!0:t.isFmp4?Zr._opt.isFmp4=!0:t.isMpeg4?Zr._opt.isMpeg4=!0:t.isNakedFlow?Zr._opt.isNakedFlow=!0:t.isTs&&(Zr._opt.isTs=!0),d=zt((e=>{postMessage({cmd:z,type:ve,value:e})})),Zr.startStreamRateAndStatsInterval(),t.isFmp4&&(Yr.listenMp4Box(),Zr._opt.isFmp4Private&&Yr.initTransportDescarmber()),t.protocol===f?(u=new or(Zr.demuxFlv()),fetch(e,{signal:o.signal}).then((e=>{if(Qt(Hr))return Zr.debug.log("worker","request abort and run res.body.cancel()"),Zr.fetchStatus=ct,void e.body.cancel();if(!Xt(e))return Zr.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),Wr(),void postMessage({cmd:z,type:Te.fetchError,value:`fetch response status is ${e.status} and ok is ${e.ok}`});if(postMessage({cmd:z,type:Se}),Yt())Zr.writableStream=new WritableStream({write:e=>o&&o.signal&&o.signal.aborted?(Zr.debug.log("worker","writableStream write() and abortController.signal.aborted is true so return"),void(Zr.fetchStatus=ft)):Qt(Hr)?(Zr.debug.log("worker","writableStream write() and requestAbort is true so return"),void(Zr.fetchStatus=ft)):(Zr.fetchStatus=ht,d(e.byteLength),void(t.isFlv?u.write(e):t.isFmp4?Zr.demuxFmp4(e):t.isMpeg4?Zr.demuxMpeg4(e):t.isTs&&Zr.demuxTs(e))),close:()=>{Zr.fetchStatus=ft,u=null,Wr(),postMessage({cmd:z,type:ye,value:p,msg:"fetch done"})},abort:e=>{if(o&&o.signal&&o.signal.aborted)return Zr.debug.log("worker","writableStream abort() and abortController.signal.aborted is true so return"),void(Zr.fetchStatus=ft);u=null,e.name!==at&&(Wr(),postMessage({cmd:z,type:Te.fetchError,value:e.toString()}))}}),e.body.pipeTo(Zr.writableStream);else{const r=e.body.getReader(),i=()=>{r.read().then((e=>{let{done:r,value:n}=e;return r?(Zr.fetchStatus=ft,u=null,Wr(),void postMessage({cmd:z,type:ye,value:p,msg:"fetch done"})):o&&o.signal&&o.signal.aborted?(Zr.debug.log("worker","fetchNext().then() and abortController.signal.aborted is true so return"),void(Zr.fetchStatus=ft)):Qt(Hr)?(Zr.debug.log("worker","fetchNext().then() and requestAbort is true so return"),void(Zr.fetchStatus=ft)):(Zr.fetchStatus=ht,d(n.byteLength),t.isFlv?u.write(n):t.isFmp4?Zr.demuxFmp4(n):t.isMpeg4&&Zr.demuxMpeg4(n),void i())})).catch((e=>{if(o&&o.signal&&o.signal.aborted)return Zr.debug.log("worker","fetchNext().catch() and abortController.signal.aborted is true so return"),void(Zr.fetchStatus=ft);u=null,e.name!==at&&(Wr(),postMessage({cmd:z,type:Te.fetchError,value:e.toString()}))}))};i()}})).catch((e=>{o&&o.signal&&o.signal.aborted?Zr.debug.log("worker","fetch().catch() and abortController.signal.aborted is true so return"):e.name!==at&&(Wr(),postMessage({cmd:z,type:Te.fetchError,value:e.toString()}),u=null)}))):t.protocol===h&&(t.isFlv&&(u=new or(Zr.demuxFlv())),a=new WebSocket(e),a.binaryType="arraybuffer",a.onopen=()=>{Zr.debug.log("worker","fetchStream, WebsocketStream  socket open"),postMessage({cmd:z,type:Se}),postMessage({cmd:z,type:xe})},a.onclose=e=>{Zr.debug.log("worker",`fetchStream, WebsocketStream socket close and code is ${e.code}`),1006===e.code&&Zr.debug.error("worker",`fetchStream, WebsocketStream socket close abnormally and code is ${e.code}`),Qt(Hr)?Zr.debug.log("worker","fetchStream, WebsocketStream socket close and requestAbort is true so return"):(u=null,postMessage({cmd:z,type:ye,value:m,msg:e.code}))},a.onerror=e=>{Zr.debug.error("worker","fetchStream, WebsocketStream socket error",e),u=null,postMessage({cmd:z,type:Te.websocketError,value:e.isTrusted?"websocket user aborted":"websocket error"})},a.onmessage=e=>{d(e.data.byteLength),t.isFlv?u.write(e.data):t.isFmp4?Zr.demuxFmp4(e.data):t.isMpeg4?Zr.demuxMpeg4(e.data):Zr._opt.isNakedFlow?Zr.demuxNakedFlow(e.data):Zr.demuxM7s(e.data)})},demuxFlv:function*(){yield 9;const e=new ArrayBuffer(4),t=new Uint8Array(e),r=new Uint32Array(e);for(;;){t[3]=0;const e=yield 15,i=e[4];t[0]=e[7],t[1]=e[6],t[2]=e[5];const n=r[0];t[0]=e[10],t[1]=e[9],t[2]=e[8],t[3]=e[11];let s=r[0];const o=(yield n).slice();switch(i){case se:if(o.byteLength>0){let e=o;Qt(Zr._opt.m7sCryptoAudio)&&(e=Zr.cryptoPayloadAudio(o)),Zr.decode(e,{type:ie,ts:s})}else Zr.debug.warn("worker",`demuxFlv() type is audio and payload.byteLength is ${o.byteLength} and return`);break;case oe:if(o.byteLength>=6){const e=o[0];if(Zr._isEnhancedH265Header(e))Zr._decodeEnhancedH265Video(o,s);else{o[0];const e=o[0]>>4===ut;if(e&&Jt(o)&&null===$r){const e=15&o[0];$r=e===Ce,Or=Br(o,$r),Zr.debug.log("worker",`demuxFlv() isVideoSequenceHeader is true and isHevc is ${$r} and nalUnitSize is ${Or}`)}e&&Zr.calcIframeIntervalTimestamp(s),Zr.isPlayer&&Zr.calcNetworkDelay(s),r[0]=o[4],r[1]=o[3],r[2]=o[2],r[3]=0;let t=r[0],i=Zr.cryptoPayload(o,e);Zr.decode(i,{type:ne,ts:s,isIFrame:e,cts:t})}}else Zr.debug.warn("worker",`demuxFlv() type is video and payload.byteLength is ${o.byteLength} and return`);break;case ae:postMessage({cmd:K,buffer:o},[o.buffer]);break;default:Zr.debug.log("worker",`demuxFlv() type is ${i}`)}}},decode:function(e,t){t.type===ie?Zr._opt.hasAudio&&(postMessage({cmd:z,type:be,value:e.byteLength}),Zr.isPlayer?Zr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):Zr.isPlayback&&(Zr.isPlaybackOnlyDecodeIFrame()||(Zr.isPlaybackCacheBeforeDecodeForFpsRender(),Zr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts})))):t.type===ne&&Zr._opt.hasVideo&&(postMessage({cmd:z,type:we,value:e.byteLength}),postMessage({cmd:z,type:Ee,value:t.ts}),Zr.isPlayer?Zr.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):Zr.isPlayback&&(Zr.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&Zr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(Zr.isPlaybackCacheBeforeDecodeForFpsRender(),Zr.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},cryptoPayload:function(e,t){let r=e;return Zr._opt.isM7sCrypto?Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength>0&&Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength>0?r=bi(e,Zr._opt.cryptoKey,Zr._opt.cryptoIV,$r):Zr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength} null`):Zr._opt.isSm4Crypto?Zr._opt.sm4CryptoKey&&t?r=Oi(e,Zr._opt.sm4CryptoKey):Zr._opt.sm4CryptoKey||Zr.debug.error("worker","isSm4Crypto opt.sm4CryptoKey is null"):Zr._opt.isXorCrypto&&(Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength>0&&Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength>0?r=ji(e,Zr._opt.cryptoKey,Zr._opt.cryptoIV,$r):Zr.debug.error("worker",`isXorCrypto cryptoKey.length is ${Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength} null`)),r},cryptoPayloadAudio:function(e){let t=e;return Zr._opt.isM7sCrypto&&(Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength>0&&Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength>0?e[0]>>4===Ie&&(t=wi(e,Zr._opt.cryptoKey,Zr._opt.cryptoIV)):Zr.debug.error("worker",`isM7sCrypto cryptoKey.length is ${Zr._opt.cryptoKey&&Zr._opt.cryptoKey.byteLength} or cryptoIV.length is ${Zr._opt.cryptoIV&&Zr._opt.cryptoIV.byteLength} null`)),t},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(Gr=r===Ie?i?16:8:0===i?8:16,Jr&&Jr.setCodec)if(xt(e)||r===Le||r===Re||r===Me){Zr.debug.log("worker",`setCodecAudio: init audio codec, codeId is ${r}`);const i=r===Ie?e.slice(2):new Uint8Array(0);Jr.setCodec(r,Zr._opt.sampleRate,i),r===Ie&&postMessage({cmd:P,buffer:i},[i.buffer]),Ye=!0,r!==Ie&&(r===Me?(Zr.mp3Demuxer||(Zr.mp3Demuxer=new Hi(Zr),Zr.mp3Demuxer.on("data",((e,t)=>{Jr.decode(e,t)}))),Zr.mp3Demuxer.dispatch(e.slice(1),t)):Jr.decode(e.slice(1),t));{const e=Number("1")||1;setTimeout((()=>{Zr.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"),Zr.close(),postMessage({cmd:O})}),60*e*60*1e3)}}else Zr.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",r);else Zr.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,t){if(Zr.isDestroyed)Zr.debug.log("worker","decodeAudio, decoder is destroyed and return");else if(Qt(r)&&Qt(Zr._opt.mseDecodeAudio))postMessage({cmd:M,payload:e,ts:t,cts:t},[e.buffer]);else{const r=e[0]>>4;Ye?r===Me?Zr.mp3Demuxer.dispatch(e.slice(1),t):Jr.decode(r===Ie?e.slice(2):e.slice(1),t):Zr.setCodecAudio(e,t)}},setCodecVideo:function(e){const t=15&e[0];if(Qr&&Qr.setCodec)if(Jt(e))if(t===Be||t===Ce){Zr.debug.log("worker",`setCodecVideo: init video codec , codecId is ${t}`);const r=e.slice(5);if(t===Be&&Zr._opt.useSIMD){const e=cr(r);if(e.codecWidth>E||e.codecHeight>E)return postMessage({cmd:W}),void Zr.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is ${e.codecHeight}`)}const i=new Uint8Array(e);A=!0,Qr.setCodec(t,r),postMessage({cmd:F,code:t}),postMessage({cmd:I,buffer:i,codecId:t},[i.buffer])}else Zr.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else Zr.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is ${e[1]}`);else Zr.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(e,t,i){let n=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;if(Zr.isDestroyed)Zr.debug.log("worker","decodeVideo, decoder is destroyed and return");else if(Qt(r))postMessage({cmd:R,payload:e,isIFrame:i,ts:t,cts:n,delay:Zr.delay},[e.buffer]);else if(A)if(!ot&&i&&(ot=!0),ot){if(i&&Jt(e)){const t=15&e[0];let r={};t===Be?r=cr(e.slice(5)):t===Ce&&(r=Cr(e)),r.codecWidth&&r.codecHeight&&v&&b&&(r.codecWidth!==v||r.codecHeight!==b)&&(Zr.debug.warn("worker",`\n                            decodeVideo: video width or height is changed,\n                            old width is ${v}, old height is ${b},\n                            new width is ${r.codecWidth}, new height is ${r.codecHeight},\n                            and emit change event`),Sr=!0,postMessage({cmd:H}))}if(Sr)return void Zr.debug.warn("worker","decodeVideo: video width or height is changed, and return");if(Dr)return void Zr.debug.warn("worker","decodeVideo: simd decode error, and return");if(Jt(e))return void Zr.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");if(e.byteLength<S)return void Zr.debug.warn("worker",`decodeVideo and payload is too small , payload length is ${e.byteLength}`);const r=e.slice(5);Qr.decode(r,i?1:0,t)}else Zr.debug.log("worker","decodeVideo first frame is not iFrame");else Zr.setCodecVideo(e)},clearBuffer:function(){let e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];Zr.debug.log("worker",`clearBuffer,bufferList length is ${i.length}, need clear is ${e}`),e&&(i=[]),Zr.isPlayer&&(Zr.resetAllDelay(),Qt(Zr._opt.checkFirstIFrame)&&(Zr.dropping=!0,postMessage({cmd:$}))),Qt(Zr._opt.checkFirstIFrame)&&er(r)&&(ot=!1)},dropBuffer$2:function(){if(i.length>0){let e=i.findIndex((e=>Qt(e.isIFrame)&&e.type===ne));if(Zr.isAllIframeInBufferList())for(let t=0;t<i.length;t++){const r=i[t],n=Zr.getDelayNotUpdateDelay(r.ts,r.type);if(n>=Zr.getNotDroppingDelayTs()){Zr.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${t} and tempDelay is ${n} and notDroppingDelayTs is ${Zr.getNotDroppingDelayTs()}`),e=t;break}}if(e>=0){Zr.isPushDropping=!0,postMessage({cmd:$});const t=i.length;i=i.slice(e);const r=i.shift();Zr.resetAllDelay(),Zr.getDelay(r.ts,r.type),Zr.doDecode(r),Zr.isPushDropping=!1,Zr.debug.log("worker",`dropBuffer$2() iFrameIndex is ${e},and old bufferList length is ${t} ,new bufferList is ${i.length} and new delay is ${Zr.delay} `)}else Zr.isPushDropping=!1}0===i.length&&(Zr.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),r=t.getUint32(1,!1),i=t.getUint8(0),n=new ArrayBuffer(4),s=new Uint32Array(n);switch(i){case ie:Zr.decode(new Uint8Array(e,5),{type:ie,ts:r});break;case ne:if(t.byteLength>=11){const i=new Uint8Array(e,5),n=i[0];if(Zr._isEnhancedH265Header(n))Zr._decodeEnhancedH265Video(i,r);else{const e=t.getUint8(5)>>4==1;if(e&&(Zr.calcIframeIntervalTimestamp(r),Jt(i)&&null===$r)){const e=15&i[0];$r=e===Ce}Zr.isPlayer&&Zr.calcNetworkDelay(r),s[0]=i[4],s[1]=i[3],s[2]=i[2],s[3]=0;let n=s[0],o=Zr.cryptoPayload(i,e);Zr.decode(o,{type:ne,ts:r,isIFrame:e,cts:n})}}else Zr.debug.warn("worker",`demuxM7s() type is video and arrayBuffer length is ${e.byteLength} and return`)}},demuxNakedFlow:function(e){jr.dispatch(e)},demuxFmp4:function(e){const t=new Uint8Array(e);Yr.dispatch(t)},demuxMpeg4:function(e){qr.dispatch(e)},demuxTs:function(e){Kr.dispatch(e)},_decodeEnhancedH265Video:function(e,t){const r=e[0],i=48&r,n=15&r,s=e.slice(1,5),o=new ArrayBuffer(4),a=new Uint32Array(o),d="a"==String.fromCharCode(s[0]);if($r=er(d),n===_t){if(i===bt){const r=e.slice(5);if(d);else{const i=new Uint8Array(5+r.length);i.set([28,0,0,0,0],0),i.set(r,5),Or=Br(e,$r),Zr.debug.log("worker",`demuxFlv() isVideoSequenceHeader(enhancedH265) is true and isHevc is ${$r} and nalUnitSize is ${Or}`),Zr.decode(i,{type:ne,ts:t,isIFrame:!0,cts:0})}}}else if(n===yt){let r=e,n=0;const s=i===bt;s&&Zr.calcIframeIntervalTimestamp(t),d||(a[0]=e[4],a[1]=e[3],a[2]=e[2],a[3]=0,n=a[0],r=Ir(e.slice(8),s),r=Zr.cryptoPayload(r,s),Zr.decode(r,{type:ne,ts:t,isIFrame:s,cts:n}))}else if(n===vt){const r=i===bt;r&&Zr.calcIframeIntervalTimestamp(t);let n=Ir(e.slice(5),r);n=Zr.cryptoPayload(n,r),Zr.decode(n,{type:ne,ts:t,isIFrame:r,cts:0})}},_isEnhancedH265Header:function(e){return(e&gt)===gt},findSei:function(e,t){let r=4;Vt(Or)&&(r=Or),Ur(e.slice(5),r).forEach((e=>{const r=$r?e[0]>>>1&63:31&e[0];($r&&(r===Ke||r===qe)||er($r)&&r===Oe)&&postMessage({cmd:q,buffer:e,ts:t},[e.buffer])}))},flvHasUnitTypeIDR(e,t){const r=Ur(e.slice(5));let i=!1;return r.forEach((e=>{const r=t?e[0]>>>1&63:31&e[0];(t&&(r===Ge||r===He)||er(t)&&r===$e)&&(i=!0)})),i},calcNetworkDelay:function(e){if(!(ot&&e>0))return;null===kt?(kt=e,Ft=Lt()):e<kt&&(Zr.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is ${kt}`),kt=e,Ft=Lt());const t=e-kt,r=Lt()-Ft,i=r>t?r-t:0;Zr.networkDelay=i,i>Zr._opt.networkDelay&&Zr._opt.playType===g&&(Zr.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${kt} vs start is ${t},local diff is ${r} ,delay is ${i}`),postMessage({cmd:z,type:Ue,value:i}))},calcIframeIntervalTimestamp:function(e){null===dr?dr=e:dr<e&&(ir=e-dr,postMessage({cmd:N,value:ir}),dr=e)},canVisibilityDecodeNotDrop:function(){return Zr._opt.visibility&&v*b<=2073600},isPlaybackCacheBeforeDecodeForFpsRender:function(){return Zr.isPlayback&&Zr._opt.playbackIsCacheBeforeDecodeForFpsRender},isPlaybackOnlyDecodeIFrame:function(){return Zr._opt.playbackRate>=Zr._opt.playbackForwardMaxRateDecodeIFrame},isPlayUseMSE:function(){return Zr.isPlayer&&Zr._opt.useMSE&&Qt(r)},isPlayUseMSEAndDecoderInWorker:function(){return Zr.isPlayUseMSE()&&Zr._opt.mseDecoderUseWorker},playbackUpdatePlaybackRate:function(){Zr.clearBuffer(!0)},onOffscreenCanvasWebglContextLost:function(e){Zr.debug.error("worker","handleOffscreenCanvasWebglContextLost and next try to create 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