decoder-pro-simd.js
326 KB
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_fillCurrentWord() but no bytes available",this._total_bytes,this._buffer_index);else{let e=Math.min(4,r),t=new Uint8Array(4);t.set(this._buffer.subarray(this._buffer_index,this._buffer_index+e)),this._current_word=new DataView(t.buffer).getUint32(0,!1),this._buffer_index+=e,this._current_word_bits_left=8*e}}readBits(e){if(32<e&&console.error("ExpGolomb: readBits() bits exceeded max 32bits!"),e<=this._current_word_bits_left)return t=this._current_word>>>32-e,this._current_word<<=e,this._current_word_bits_left-=e,t;var t=this._current_word_bits_left?this._current_word:0,e=(t>>>=32-this._current_word_bits_left,e-this._current_word_bits_left),e=(this._fillCurrentWord(),Math.min(e,this._current_word_bits_left)),r=this._current_word>>>32-e;return this._current_word<<=e,this._current_word_bits_left-=e,t<<e|r}readBool(){return 1===this.readBits(1)}readByte(){return this.readBits(8)}_skipLeadingZero(){let e;for(e=0;e<this._current_word_bits_left;e++)if(0!=(this._current_word&2147483648>>>e))return this._current_word<<=e,this._current_word_bits_left-=e,e;return this._fillCurrentWord(),e+this._skipLeadingZero()}readUEG(){var e=this._skipLeadingZero();return this.readBits(e+1)-1}readSEG(){var e=this.readUEG();return 1&e?e+1>>>1:-1*(e>>>1)}}class I{static _ebsp2rbsp(e){let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)2<=e&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)}static parseSPS(e){let t=I._ebsp2rbsp(e),r=new ie(t);r.readByte();var e=r.readByte(),i=(r.readByte(),r.readByte());r.readUEG();let s=I.getProfileString(e),n=I.getLevelString(i),a=1,o=420,l=8;if((100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e||138===e||144===e)&&(3===(a=r.readUEG())&&r.readBits(1),a<=3&&(o=[0,420,422,444][a]),l=r.readUEG()+8,r.readUEG(),r.readBits(1),r.readBool())){var d=3!==a?8:12;for(let e=0;e<d;e++)r.readBool()&&(e<6?I._skipScalingList(r,16):I._skipScalingList(r,64))}r.readUEG();i=r.readUEG();if(0===i)r.readUEG();else if(1===i){r.readBits(1),r.readSEG(),r.readSEG();var h=r.readUEG();for(let e=0;e<h;e++)r.readSEG()}var e=r.readUEG(),i=(r.readBits(1),r.readUEG()),u=r.readUEG(),f=r.readBits(1);0===f&&r.readBits(1),r.readBits(1);let p=0,c=0,m=0,_=0,g=(r.readBool()&&(p=r.readUEG(),c=r.readUEG(),m=r.readUEG(),_=r.readUEG()),1),y=1,b=0,v=!0,w=0,S=0,E=(r.readBool()&&(r.readBool()&&(0<(A=r.readByte())&&A<16?(g=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][A-1],y=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][A-1]):255===A&&(g=r.readByte()<<8|r.readByte(),y=r.readByte()<<8|r.readByte())),r.readBool()&&r.readBool(),r.readBool()&&(r.readBits(4),r.readBool()&&r.readBits(24)),r.readBool()&&(r.readUEG(),r.readUEG()),r.readBool()&&(A=r.readBits(32),B=r.readBits(32),v=r.readBool(),w=B,S=2*A,b=w/S)),1),U=(1===g&&1===y||(E=g/y),0),x=0;x=0===a?(U=1,2-f):(U=3===a?1:2,(1===a?2:1)*(2-f));var B=16*(i+1),A=16*(u+1)*(2-f),i=(B-=(p+c)*U,A-=(m+_)*x,Math.ceil(B*E));return r.destroy(),r=null,{profile_string:s,level_string:n,bit_depth:l,ref_frames:e,chroma_format:o,chroma_format_string:I.getChromaFormatString(o),frame_rate:{fixed:v,fps:b,fps_den:S,fps_num:w},sar_ratio:{width:g,height:y},codec_size:{width:B,height:A},present_size:{width:i,height:A}}}static parseSPS$2(e){let r=e.subarray(1,4),i="avc1.";for(let t=0;t<3;t++){let e=r[t].toString(16);e.length<2&&(e="0"+e),i+=e}let t=I._ebsp2rbsp(e),s=new ie(t);s.readByte();var e=s.readByte(),n=(s.readByte(),s.readByte());s.readUEG();let a=I.getProfileString(e),o=I.getLevelString(n),l=1,d=420,h=8,u=8;if((100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e||138===e||144===e)&&(3===(l=s.readUEG())&&s.readBits(1),l<=3&&(d=[0,420,422,444][l]),h=s.readUEG()+8,u=s.readUEG()+8,s.readBits(1),s.readBool())){var f=3!==l?8:12;for(let e=0;e<f;e++)s.readBool()&&(e<6?I._skipScalingList(s,16):I._skipScalingList(s,64))}s.readUEG();var p=s.readUEG();if(0===p)s.readUEG();else if(1===p){s.readBits(1),s.readSEG(),s.readSEG();var c=s.readUEG();for(let e=0;e<c;e++)s.readSEG()}var p=s.readUEG(),m=(s.readBits(1),s.readUEG()),_=s.readUEG(),g=s.readBits(1);0===g&&s.readBits(1),s.readBits(1);let y=0,b=0,v=0,w=0,S=(s.readBool()&&(y=s.readUEG(),b=s.readUEG(),v=s.readUEG(),w=s.readUEG()),1),E=1,U=0,x=!0,B=0,A=0,k=(s.readBool()&&(s.readBool()&&(0<(D=s.readByte())&&D<16?(S=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][D-1],E=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][D-1]):255===D&&(S=s.readByte()<<8|s.readByte(),E=s.readByte()<<8|s.readByte())),s.readBool()&&s.readBool(),s.readBool()&&(s.readBits(4),s.readBool()&&s.readBits(24)),s.readBool()&&(s.readUEG(),s.readUEG()),s.readBool()&&(D=s.readBits(32),F=s.readBits(32),x=s.readBool(),B=F,A=2*D,U=B/A)),1),T=(1===S&&1===E||(k=S/E),0),C=0;C=0===l?(T=1,2-g):(T=3===l?1:2,(1===l?2:1)*(2-g));var F=16*(m+1),D=16*(_+1)*(2-g),m=(F-=(y+b)*T,D-=(v+w)*C,Math.ceil(F*k));return s.destroy(),s=null,{codec_mimetype:i,profile_idc:e,level_idc:n,profile_string:a,level_string:o,chroma_format_idc:l,bit_depth:h,bit_depth_luma:h,bit_depth_chroma:u,ref_frames:p,chroma_format:d,chroma_format_string:I.getChromaFormatString(d),frame_rate:{fixed:x,fps:U,fps_den:A,fps_num:B},sar_ratio:{width:S,height:E},codec_size:{width:F,height:D},present_size:{width:m,height:D}}}static _skipScalingList(t,r){let i=8,s=8,n;for(let e=0;e<r;e++)0!==s&&(n=t.readSEG(),s=(i+n+256)%256),i=0===s?i:s}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 D{constructor(e){this.buffer=e,this.buflen=e.length,this.bufpos=0,this.bufoff=0,this.iserro=!1}read(e){let t=0,r;for(;e;){if(e<0||this.bufpos>=this.buflen)return this.iserro=!0,0;this.iserro=!1,r=8<this.bufoff+e?8-this.bufoff:e,t=(t<<=r)+(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){var t=this.bufpos,r=this.bufoff,e=this.read(e);return this.bufpos=t,this.bufoff=r,e}read_golomb(){let e;for(e=0;0===this.read(1)&&!this.iserro;e++);return(1<<e)+this.read(e)-1}}function Te(r){const s={},i=new DataView(r.buffer);let e=i.getUint8(0),t=i.getUint8(1);if(i.getUint8(2),i.getUint8(3),1!==e||0===t)return{};var n=1+(3&i.getUint8(4));if(3!=n&&4!=n)return{};var a=31&i.getUint8(5);if(0==a)return{};let o=6;for(let t=0;t<a;t++){var l=i.getUint16(o,!1);if(o+=2,0!==l){let e=new Uint8Array(r.buffer,o,l);o+=l;l=I.parseSPS(e);if(0===t){s.sps=e,s.timescale=1e3,s.codecWidth=l.codec_size.width,s.codecHeight=l.codec_size.height,s.presentWidth=l.present_size.width,s.presentHeight=l.present_size.height,s.profile=l.profile_string,s.level=l.level_string,s.bitDepth=l.bit_depth,s.chromaFormat=l.chroma_format,s.sarRatio=l.sar_ratio,s.frameRate=l.frame_rate,!1!==l.frame_rate.fixed&&0!==l.frame_rate.fps_num&&0!==l.frame_rate.fps_den||(s.frameRate={fixed:!0,fps:23.976,fps_num:23976,fps_den:1e3});var l=s.frameRate.fps_den,d=s.frameRate.fps_num;s.refSampleDuration=s.timescale*(l/d);let r=e.subarray(1,4),i="avc1.";for(let t=0;t<3;t++){let e=r[t].toString(16);e.length<2&&(e="0"+e),i+=e}s.codec=i}}}var h=i.getUint8(o);if(0===h)return{};o++;for(let e=0;e<h;e++){var u,f=i.getUint16(o,!1);o+=2,0!==f&&(u=new Uint8Array(r.buffer,o,f),o+=f,s.pps=u)}if(s.videoType="avc",s.sps){const r=s.sps.byteLength,i=new Uint8Array([r>>>24&255,r>>>16&255,r>>>8&255,255&r]),e=new Uint8Array(r+4);e.set(i,0),e.set(s.sps,4),s.sps=e}if(s.pps){const r=s.pps.byteLength,i=new Uint8Array([r>>>24&255,r>>>16&255,r>>>8&255,255&r]),e=new Uint8Array(r+4);e.set(i,0),e.set(s.pps,4),s.pps=e}return s}function Ce(e){var{sps:e,pps:t}=e;const r=[23,0,0,0,0,1,66,0,30,255];return r[0]=23,r[6]=e[1],r[7]=e[2],r[8]=e[3],r[10]=225,r[11]=e.byteLength>>8&255,r[12]=255&e.byteLength,r.push(...e,1,t.byteLength>>8&255,255&t.byteLength,...t),new Uint8Array(r)}function Fe(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 se(e){return 31&e[0]}function De(e){return e===ee.kSliceSEI}function Ie(e){return(t=e)!==ee.sps&&t!==ee.pps&&!De(e);var t}function Pe(e){return e===ee.iFrame}const Le=e=>{let t=e,r=t.byteLength,i=new Uint8Array(r),s=0;for(let e=0;e<r;e++)2<=e&&3===t[e]&&0===t[e-1]&&0===t[e-2]||(i[s]=t[e],s++);return new Uint8Array(i.buffer,0,s)};function ze(r,e){var i=1<arguments.length&&void 0!==e?e:4;if(!(r.length<4)){const s=r.length,n=[];let e,t=0;for(;t+i<s;)if(e=function(e,t){return(e[t=1<arguments.length&&void 0!==t?t:0]<<24>>>0)+(e[t+1]<<16)+(e[t+2]<<8)+(e[t+3]||0)}(r,t),3===i&&(e>>>=8),t+=i,e){if(t+e>s)break;n.push(r.subarray(t,t+e)),t+=e}return n}}function ne(e){const t=e.byteLength,r=new Uint8Array(4),i=(r[0]=t>>>24&255,r[1]=t>>>16&255,r[2]=t>>>8&255,r[3]=255&t,new Uint8Array(t+4));return i.set(r,0),i.set(e,4),i}function Re(e){let s={width:0,height:0,profile:0,level:0};e=e.slice(5);do{let t={};if(e.length<23){console.warn("parseHEVCDecoderConfigurationRecord$2",`arrayBuffer.length ${e.length} < 23`);break}if(t.configurationVersion=e[0],1!=t.configurationVersion)break;t.general_profile_space=e[1]>>6&3,t.general_tier_flag=e[1]>>5&1,t.general_profile_idc=31&e[1],t.general_profile_compatibility_flags=e[2]<<24|e[3]<<16|e[4]<<8|e[5],t.general_constraint_indicator_flags=e[6]<<24|e[7]<<16|e[8]<<8|e[9],t.general_constraint_indicator_flags=t.general_constraint_indicator_flags<<16|e[10]<<8|e[11],t.general_level_idc=e[12],t.min_spatial_segmentation_idc=(15&e[13])<<8|e[14],t.parallelismType=3&e[15],t.chromaFormat=3&e[16],t.bitDepthLumaMinus8=7&e[17],t.bitDepthChromaMinus8=7&e[18],t.avgFrameRate=e[19]<<8|e[20],t.constantFrameRate=e[21]>>6&3,t.numTemporalLayers=e[21]>>3&7,t.temporalIdNested=e[21]>>2&1,t.lengthSizeMinusOne=3&e[21];let r=e[22],i=e.slice(23);for(let e=0;e<r&&!(i.length<3);e++){var n=63&i[0],a=i[1]<<8|i[2];i=i.slice(3);for(let e=0;e<a&&!(i.length<2);e++){var o=i[0]<<8|i[1];if(i.length<2+o)break;if(i=i.slice(2),33==n){let e=new Uint8Array(o);e.set(i.slice(0,o),0),t.psps=function(e){let t={},r=e.length,i=[],s=new D(e);s.read(1),s.read(6),s.read(6),s.read(3);for(let e=2;e<r;e++)e+2<r&&3==s.look(24)?(i.push(s.read(8)),i.push(s.read(8)),e+=2,s.read(8)):i.push(s.read(8));let n=new Uint8Array(i),a=new D(n);{var o;t.sps_video_parameter_set_id=a.read(4),t.sps_max_sub_layers_minus1=a.read(3),t.sps_temporal_id_nesting_flag=a.read(1),t.profile_tier_level=function(t,r){let i={};i.profile_space=t.read(2),i.tier_flag=t.read(1),i.profile_idc=t.read(5),i.profile_compatibility_flags=t.read(32),i.general_progressive_source_flag=t.read(1),i.general_interlaced_source_flag=t.read(1),i.general_non_packed_constraint_flag=t.read(1),i.general_frame_only_constraint_flag=t.read(1),t.read(32),t.read(12),i.level_idc=t.read(8),i.sub_layer_profile_present_flag=[],i.sub_layer_level_present_flag=[];for(let e=0;e<r;e++)i.sub_layer_profile_present_flag[e]=t.read(1),i.sub_layer_level_present_flag[e]=t.read(1);if(0<r)for(let e=r;e<8;e++)t.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 e=0;e<r;e++)i.sub_layer_profile_present_flag[e]&&(i.sub_layer_profile_space[e]=t.read(2),i.sub_layer_tier_flag[e]=t.read(1),i.sub_layer_profile_idc[e]=t.read(5),i.sub_layer_profile_compatibility_flag[e]=t.read(32),i.sub_layer_progressive_source_flag[e]=t.read(1),i.sub_layer_interlaced_source_flag[e]=t.read(1),i.sub_layer_non_packed_constraint_flag[e]=t.read(1),i.sub_layer_frame_only_constraint_flag[e]=t.read(1),t.read(32),t.read(12)),i.sub_layer_level_present_flag[e]?i.sub_layer_level_idc[e]=t.read(8):i.sub_layer_level_idc[e]=1;return i}(a,t.sps_max_sub_layers_minus1),t.sps_seq_parameter_set_id=a.read_golomb(),t.chroma_format_idc=a.read_golomb(),3==t.chroma_format_idc?t.separate_colour_plane_flag=a.read(1):t.separate_colour_plane_flag=0,t.pic_width_in_luma_samples=a.read_golomb(),t.pic_height_in_luma_samples=a.read_golomb(),t.conformance_window_flag=a.read(1),t.conformance_window_flag?(e=1+(t.chroma_format_idc<2),o=1+(t.chroma_format_idc<3),t.conf_win_left_offset=a.read_golomb()*o,t.conf_win_right_offset=a.read_golomb()*o,t.conf_win_top_offset=a.read_golomb()*e,t.conf_win_bottom_offset=a.read_golomb()*e):(t.conf_win_left_offset=0,t.conf_win_right_offset=0,t.conf_win_top_offset=0,t.conf_win_bottom_offset=0)}return t}(e,t),s.profile=t.general_profile_idc,s.level=t.general_level_idc/30,s.width=t.psps.pic_width_in_luma_samples-(t.psps.conf_win_left_offset+t.psps.conf_win_right_offset),s.height=t.psps.pic_height_in_luma_samples-(t.psps.conf_win_top_offset+t.psps.conf_win_bottom_offset)}i=i.slice(o)}}}while(0);return s.codecWidth=s.width||1920,s.codecHeight=s.height||1080,s.presentHeight=s.codecHeight,s.presentWidth=s.codecWidth,s.timescale=1e3,s.refSampleDuration=1e3/23976*1e3,s.videoType="hevc",s}function Me(e){var{vps:e,pps:t,sps:r}=e,i={configurationVersion:1},s=(e=>{let t=Le(e),r=new ie(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()}})(e),n=(e=>{let t=Le(e),n=new ie(t),r=(n.readByte(),n.readByte(),0),i=0,s=0,a=0;n.readBits(4);var o=n.readBits(3);n.readBool();let l=n.readBits(2),d=n.readBool(),h=n.readBits(5),u=n.readByte(),f=n.readByte(),p=n.readByte(),c=n.readByte(),m=n.readByte(),_=n.readByte(),g=n.readByte(),z=n.readByte(),R=n.readByte(),M=n.readByte(),y=n.readByte(),b=[],N=[];for(let e=0;e<o;e++)b.push(n.readBool()),N.push(n.readBool());if(0<o)for(let e=o;e<8;e++)n.readBits(2);for(let 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ie(t),i=(r.readByte(),r.readByte(),r.readUEG(),r.readUEG(),r.readBool(),r.readBool(),r.readBits(3),r.readBool(),r.readBool(),r.readUEG(),r.readUEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool()&&r.readUEG(),r.readSEG(),r.readSEG(),r.readBool(),r.readBool(),r.readBool(),r.readBool(),r.readBool()),s=r.readBool(),n=1;return s&&i?n=0:s?n=3:i&&(n=2),{parallelismType:n}})(t),i=Object.assign(i,s,n,a);let o=23+(5+e.byteLength)+(5+r.byteLength)+(5+t.byteLength),l=new 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Ze(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}function i(e){if(!(this instanceof i))throw Error("AES must be instanitated with `new`");Object.defineProperty(this,"key",{value:n(e,!0)}),this._prepare()}function t(e){if(!(this instanceof t))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new i(e)}function r(e,t){if(!(this instanceof r))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=l(16);this._lastCipherblock=n(t,!0),this._aes=new i(e)}function Je(e,t,r){if(!(this instanceof Je))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=l(16);this.segmentSize=r=r||1,this._shiftRegister=n(t,!0),this._aes=new i(e)}function Qe(e,t){if(!(this instanceof Qe))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=l(16);this._lastPrecipher=n(t,!0),this._lastPrecipherIndex=16,this._aes=new i(e)}function o(e){if(!(this instanceof o))throw Error("Counter must be instanitated with `new`");"number"==typeof(e=0===e||e?e:1)?(this._counter=l(16),this.setValue(e)):this.setBytes(e)}function et(e,t){if(!(this instanceof et))throw Error("AES must be instanitated with `new`");this.description="Counter",this.name="ctr",t instanceof o||(t=new o(t)),this._counter=t,this._remainingCounter=null,this._remainingCounterIndex=16,this._aes=new i(e)}i.prototype._prepare=function(){var e=R[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]);for(var r,i=4*(e+1),s=this.key.length/4,n=Ze(this.key),t=0;t<s;t++)this._Ke[r=t>>2][t%4]=n[t],this._Kd[e-r][t%4]=n[t];for(var a,o=0,l=s;l<i;){if(a=n[s-1],n[0]^=u[a>>16&255]<<24^u[a>>8&255]<<16^u[255&a]<<8^u[a>>24&255]^M[o]<<24,o+=1,8!=s)for(t=1;t<s;t++)n[t]^=n[t-1];else{for(t=1;t<s/2;t++)n[t]^=n[t-1];for(a=n[s/2-1],n[s/2]^=u[255&a]^u[a>>8&255]<<8^u[a>>16&255]<<16^u[a>>24&255]<<24,t=s/2+1;t<s;t++)n[t]^=n[t-1]}for(t=0;t<s&&l<i;)this._Ke[d=l>>2][h=l%4]=n[t],this._Kd[e-d][h]=n[t++],l++}for(var d=1;d<e;d++)for(var h=0;h<4;h++)a=this._Kd[d][h],this._Kd[d][h]=Ye[a>>24&255]^qe[a>>16&255]^Ke[a>>8&255]^Xe[255&a]},i.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=Ze(e),s=0;s<4;s++)i[s]^=this._Ke[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)r[s]=N[i[s]>>24&255]^O[i[(s+1)%4]>>16&255]^G[i[(s+2)%4]>>8&255]^He[255&i[(s+3)%4]]^this._Ke[n][s];i=r.slice()}for(var a,o=l(16),s=0;s<4;s++)a=this._Ke[t][s],o[4*s]=255&(u[i[s]>>24&255]^a>>24),o[4*s+1]=255&(u[i[(s+1)%4]>>16&255]^a>>16),o[4*s+2]=255&(u[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(u[255&i[(s+3)%4]]^a);return o},i.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=Ze(e),s=0;s<4;s++)i[s]^=this._Kd[0][s];for(var n=1;n<t;n++){for(s=0;s<4;s++)r[s]=Ve[i[s]>>24&255]^$e[i[(s+3)%4]>>16&255]^je[i[(s+2)%4]>>8&255]^We[255&i[(s+1)%4]]^this._Kd[n][s];i=r.slice()}for(var a,o=l(16),s=0;s<4;s++)a=this._Kd[t][s],o[4*s]=255&(d[i[s]>>24&255]^a>>24),o[4*s+1]=255&(d[i[(s+3)%4]>>16&255]^a>>16),o[4*s+2]=255&(d[i[(s+2)%4]>>8&255]^a>>8),o[4*s+3]=255&(d[255&i[(s+1)%4]]^a);return o},t.prototype.encrypt=function(e){if((e=n(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=l(e.length),r=l(16),i=0;i<e.length;i+=16)a(e,r,0,i,i+16),a(r=this._aes.encrypt(r),t,i);return t},t.prototype.decrypt=function(e){if((e=n(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=l(e.length),r=l(16),i=0;i<e.length;i+=16)a(e,r,0,i,i+16),a(r=this._aes.decrypt(r),t,i);return t},r.prototype.encrypt=function(e){if((e=n(e)).length%16!=0)throw new Error("invalid plaintext size (must be multiple of 16 bytes)");for(var t=l(e.length),r=l(16),i=0;i<e.length;i+=16){a(e,r,0,i,i+16);for(var s=0;s<16;s++)r[s]^=this._lastCipherblock[s];this._lastCipherblock=this._aes.encrypt(r),a(this._lastCipherblock,t,i)}return t},r.prototype.decrypt=function(e){if((e=n(e)).length%16!=0)throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");for(var t=l(e.length),r=l(16),i=0;i<e.length;i+=16){a(e,r,0,i,i+16);for(var r=this._aes.decrypt(r),s=0;s<16;s++)t[i+s]=r[s]^this._lastCipherblock[s];a(e,this._lastCipherblock,0,i,i+16)}return t},Je.prototype.encrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var t=n(e,!0),r=0;r<t.length;r+=this.segmentSize){for(var i=this._aes.encrypt(this._shiftRegister),s=0;s<this.segmentSize;s++)t[r+s]^=i[s];a(this._shiftRegister,this._shiftRegister,0,this.segmentSize),a(t,this._shiftRegister,16-this.segmentSize,r,r+this.segmentSize)}return t},Je.prototype.decrypt=function(e){if(e.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var t=n(e,!0),r=0;r<t.length;r+=this.segmentSize){for(var i=this._aes.encrypt(this._shiftRegister),s=0;s<this.segmentSize;s++)t[r+s]^=i[s];a(this._shiftRegister,this._shiftRegister,0,this.segmentSize),a(e,this._shiftRegister,16-this.segmentSize,r,r+this.segmentSize)}return t},Qe.prototype.decrypt=Qe.prototype.encrypt=function(e){for(var t=n(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},o.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;0<=t;--t)this._counter[t]=e%256,e=parseInt(e/256)},o.prototype.setBytes=function(e){if(16!=(e=n(e,!0)).length)throw new Error("invalid counter bytes size (must be 16 bytes)");this._counter=e},o.prototype.increment=function(){for(var e=15;0<=e;e--){if(255!==this._counter[e]){this._counter[e]++;break}this._counter[e]=0}};et.prototype.decrypt=et.prototype.encrypt=function(e){for(var t=n(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};const tt={AES:i,Counter:o,ModeOfOperation:{ecb:t,cbc:r,cfb:Je,ofb:Qe,ctr:et},utils:{hex:c,utf8:p},padding:{pkcs7:{pad:function(e){var t=16-(e=n(e,!0)).length%16,r=l(e.length+t);a(e,r);for(var i=e.length;i<r.length;i++)r[i]=t;return r},strip:function(e){if((e=n(e,!0)).length<16)throw new Error("PKCS#7 invalid length");var t=e[e.length-1];if(16<t)throw new Error("PKCS#7 padding byte out of range");for(var r=e.length-t,i=0;i<t;i++)if(e[r+i]!==t)throw new Error("PKCS#7 invalid padding byte");var s=l(r);return a(e,s,0,0,r),s}}},_arrayTest:{coerceArray:n,createArray:l,copyArray:a}};var oe=_(function(e,t){function u(e){if(!(e instanceof ArrayBuffer))throw"Needs an array buffer";this.buffer=e,this.dataview=new 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l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint16Array=function(e,t){e=null==e?this.byteLength-this.position/2:e;var r=new Uint16Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readUint8Array=function(e){e=null==e?this.byteLength-this.position:e;var t=new Uint8Array(e);return l.memcpy(t.buffer,0,this.buffer,this.byteOffset+this.position,e*t.BYTES_PER_ELEMENT),this.position+=t.byteLength,t},l.prototype.readFloat64Array=function(e,t){e=null==e?this.byteLength-this.position/8:e;var r=new Float64Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readFloat32Array=function(e,t){e=null==e?this.byteLength-this.position/4:e;var r=new Float32Array(e);return l.memcpy(r.buffer,0,this.buffer,this.byteOffset+this.position,e*r.BYTES_PER_ELEMENT),l.arrayToNative(r,null==t?this.endianness:t),this.position+=r.byteLength,r},l.prototype.readInt32=function(e){e=this._dataView.getInt32(this.position,null==e?this.endianness:e);return this.position+=4,e},l.prototype.readInt16=function(e){e=this._dataView.getInt16(this.position,null==e?this.endianness:e);return this.position+=2,e},l.prototype.readInt8=function(){var e=this._dataView.getInt8(this.position);return this.position+=1,e},l.prototype.readUint32=function(e){e=this._dataView.getUint32(this.position,null==e?this.endianness:e);return this.position+=4,e},l.prototype.readUint16=function(e){e=this._dataView.getUint16(this.position,null==e?this.endianness:e);return this.position+=2,e},l.prototype.readUint8=function(){var e=this._dataView.getUint8(this.position);return this.position+=1,e},l.prototype.readFloat32=function(e){e=this._dataView.getFloat32(this.position,null==e?this.endianness:e);return this.position+=4,e},l.prototype.readFloat64=function(e){e=this._dataView.getFloat64(this.position,null==e?this.endianness:e);return this.position+=8,e},l.endianness=0<new Int8Array(new Int16Array([1]).buffer)[0],l.memcpy=function(e,t,r,i,s){e=new Uint8Array(e,t,s),t=new Uint8Array(r,i,s);e.set(t)},l.arrayToNative=function(e,t){return t==this.endianness?e:this.flipArrayEndianness(e)},l.nativeToEndian=function(e,t){return this.endianness==t?e:this.flipArrayEndianness(e)},l.flipArrayEndianness=function(e){for(var t=new Uint8Array(e.buffer,e.byteOffset,e.byteLength),r=0;r<e.byteLength;r+=e.BYTES_PER_ELEMENT)for(var i=r+e.BYTES_PER_ELEMENT-1,s=r;s<i;i--,s++){var n=t[s];t[s]=t[i],t[i]=n}return e},l.prototype.failurePosition=0,String.fromCharCodeUint8=function(e){for(var t=[],r=0;r<e.length;r++)t[r]=e[r];return String.fromCharCode.apply(null,t)},l.prototype.readString=function(e,t){return null==t||"ASCII"==t?String.fromCharCodeUint8.apply(null,[this.mapUint8Array(null==e?this.byteLength-this.position:e)]):new TextDecoder(t).decode(this.mapUint8Array(e))},l.prototype.readCString=function(e){var t=this.byteLength-this.position,r=new Uint8Array(this._buffer,this._byteOffset+this.position),i=t;null!=e&&(i=Math.min(e,t));for(var s=0;s<i&&0!==r[s];s++);var n=String.fromCharCodeUint8.apply(null,[this.mapUint8Array(s)]);return null!=e?this.position+=i-s:s!=t&&(this.position+=1),n},Math.pow(2,32)),b=(l.prototype.readInt64=function(){return this.readInt32()*d+this.readUint32()},l.prototype.readUint64=function(){return this.readUint32()*d+this.readUint32()},l.prototype.readInt64=function(){return this.readUint32()*d+this.readUint32()},l.prototype.readUint24=function(){return(this.readUint8()<<16)+(this.readUint8()<<8)+this.readUint8()},(t.DataStream=l).prototype.save=function(e){var t=new Blob([this.buffer]);if(!window.URL||!URL.createObjectURL)throw"DataStream.save: Can't create object URL.";var t=window.URL.createObjectURL(t),r=document.createElement("a");document.body.appendChild(r),r.setAttribute("href",t),r.setAttribute("download",e),r.setAttribute("target","_self"),r.click(),window.URL.revokeObjectURL(t)},l.prototype._dynamicSize=!0,Object.defineProperty(l.prototype,"dynamicSize",{get:function(){return this._dynamicSize},set:function(e){e||this._trimAlloc(),this._dynamicSize=e}}),l.prototype.shift=function(e){var t=new ArrayBuffer(this._byteLength-e),r=new Uint8Array(t),i=new Uint8Array(this._buffer,e,r.length);r.set(i),this.buffer=t,this.position-=e},l.prototype.writeInt32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Int32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt32(e[r],t)},l.prototype.writeInt16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Int16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeInt16(e[r],t)},l.prototype.writeInt8Array=function(e){if(this._realloc(+e.length),e instanceof Int8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapInt8Array(e.length);else for(var t=0;t<e.length;t++)this.writeInt8(e[t])},l.prototype.writeUint32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Uint32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint32(e[r],t)},l.prototype.writeUint16Array=function(e,t){if(this._realloc(2*e.length),e instanceof Uint16Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint16Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeUint16(e[r],t)},l.prototype.writeUint8Array=function(e){if(this._realloc(+e.length),e instanceof Uint8Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapUint8Array(e.length);else for(var t=0;t<e.length;t++)this.writeUint8(e[t])},l.prototype.writeFloat64Array=function(e,t){if(this._realloc(8*e.length),e instanceof Float64Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat64Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat64(e[r],t)},l.prototype.writeFloat32Array=function(e,t){if(this._realloc(4*e.length),e instanceof Float32Array&&this.byteOffset+this.position%e.BYTES_PER_ELEMENT===0)l.memcpy(this._buffer,this.byteOffset+this.position,e.buffer,0,e.byteLength),this.mapFloat32Array(e.length,t);else for(var r=0;r<e.length;r++)this.writeFloat32(e[r],t)},l.prototype.writeInt32=function(e,t){this._realloc(4),this._dataView.setInt32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeInt16=function(e,t){this._realloc(2),this._dataView.setInt16(this.position,e,null==t?this.endianness:t),this.position+=2},l.prototype.writeInt8=function(e){this._realloc(1),this._dataView.setInt8(this.position,e),this.position+=1},l.prototype.writeUint32=function(e,t){this._realloc(4),this._dataView.setUint32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeUint16=function(e,t){this._realloc(2),this._dataView.setUint16(this.position,e,null==t?this.endianness:t),this.position+=2},l.prototype.writeUint8=function(e){this._realloc(1),this._dataView.setUint8(this.position,e),this.position+=1},l.prototype.writeFloat32=function(e,t){this._realloc(4),this._dataView.setFloat32(this.position,e,null==t?this.endianness:t),this.position+=4},l.prototype.writeFloat64=function(e,t){this._realloc(8),this._dataView.setFloat64(this.position,e,null==t?this.endianness:t),this.position+=8},l.prototype.writeUCS2String=function(e,t,r){null==r&&(r=e.length);for(var i=0;i<e.length&&i<r;i++)this.writeUint16(e.charCodeAt(i),t);for(;i<r;i++)this.writeUint16(0)},l.prototype.writeString=function(e,t,r){var i=0;if(null==t||"ASCII"==t)if(null!=r){for(var s=Math.min(e.length,r),i=0;i<s;i++)this.writeUint8(e.charCodeAt(i));for(;i<r;i++)this.writeUint8(0)}else for(i=0;i<e.length;i++)this.writeUint8(e.charCodeAt(i));else this.writeUint8Array(new TextEncoder(t).encode(e.substring(0,r)))},l.prototype.writeCString=function(e,t){var r=0;if(null!=t){for(var i=Math.min(e.length,t),r=0;r<i;r++)this.writeUint8(e.charCodeAt(r));for(;r<t;r++)this.writeUint8(0)}else{for(r=0;r<e.length;r++)this.writeUint8(e.charCodeAt(r));this.writeUint8(0)}},l.prototype.writeStruct=function(e,t){for(var r=0;r<e.length;r+=2){var i=e[r+1];this.writeType(i,t[e[r]],t)}},l.prototype.writeType=function(e,t,r){var i;if("function"==typeof e)return e(this,t);if("object"==typeof e&&!(e instanceof Array))return e.set(this,t,r);var s=null,n="ASCII",r=this.position;switch("string"==typeof e&&/:/.test(e)&&(e=(i=e.split(":"))[0],s=parseInt(i[1])),"string"==typeof e&&/,/.test(e)&&(e=(i=e.split(","))[0],n=parseInt(i[1])),e){case"uint8":this.writeUint8(t);break;case"int8":this.writeInt8(t);break;case"uint16":this.writeUint16(t,this.endianness);break;case"int16":this.writeInt16(t,this.endianness);break;case"uint32":this.writeUint32(t,this.endianness);break;case"int32":this.writeInt32(t,this.endianness);break;case"float32":this.writeFloat32(t,this.endianness);break;case"float64":this.writeFloat64(t,this.endianness);break;case"uint16be":this.writeUint16(t,l.BIG_ENDIAN);break;case"int16be":this.writeInt16(t,l.BIG_ENDIAN);break;case"uint32be":this.writeUint32(t,l.BIG_ENDIAN);break;case"int32be":this.writeInt32(t,l.BIG_ENDIAN);break;case"float32be":this.writeFloat32(t,l.BIG_ENDIAN);break;case"float64be":this.writeFloat64(t,l.BIG_ENDIAN);break;case"uint16le":this.writeUint16(t,l.LITTLE_ENDIAN);break;case"int16le":this.writeInt16(t,l.LITTLE_ENDIAN);break;case"uint32le":this.writeUint32(t,l.LITTLE_ENDIAN);break;case"int32le":this.writeInt32(t,l.LITTLE_ENDIAN);break;case"float32le":this.writeFloat32(t,l.LITTLE_ENDIAN);break;case"float64le":this.writeFloat64(t,l.LITTLE_ENDIAN);break;case"cstring":this.writeCString(t,s);break;case"string":this.writeString(t,n,s);break;case"u16string":this.writeUCS2String(t,this.endianness,s);break;case"u16stringle":this.writeUCS2String(t,l.LITTLE_ENDIAN,s);break;case"u16stringbe":this.writeUCS2String(t,l.BIG_ENDIAN,s);break;default:if(3==e.length){for(var a=e[1],o=0;o<t.length;o++)this.writeType(a,t[o]);break}this.writeStruct(e,t)}null!=s&&(this.position=r,this._realloc(s),this.position=r+s)},l.prototype.writeUint64=function(e){var t=Math.floor(e/d);this.writeUint32(t),this.writeUint32(4294967295&e)},l.prototype.writeUint24=function(e){this.writeUint8((16711680&e)>>16),this.writeUint8((65280&e)>>8),this.writeUint8(255&e)},l.prototype.adjustUint32=function(e,t){var r=this.position;this.seek(e),this.writeUint32(t),this.seek(r)},l.prototype.mapInt32Array=function(e,t){this._realloc(4*e);var r=new Int32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapInt16Array=function(e,t){this._realloc(2*e);var r=new Int16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.prototype.mapInt8Array=function(e){this._realloc(+e);var t=new Int8Array(this._buffer,this.byteOffset+this.position,e);return this.position+=+e,t},l.prototype.mapUint32Array=function(e,t){this._realloc(4*e);var r=new Uint32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},l.prototype.mapUint16Array=function(e,t){this._realloc(2*e);var r=new Uint16Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=2*e,r},l.prototype.mapFloat64Array=function(e,t){this._realloc(8*e);var r=new Float64Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=8*e,r},l.prototype.mapFloat32Array=function(e,t){this._realloc(4*e);var r=new Float32Array(this._buffer,this.byteOffset+this.position,e);return l.arrayToNative(r,null==t?this.endianness:t),this.position+=4*e,r},(r.prototype=new l(new ArrayBuffer,0,l.BIG_ENDIAN)).initialized=function(){var e;return-1<this.bufferIndex||(0<this.buffers.length?0===(e=this.buffers[0]).fileStart?(this.buffer=e,this.bufferIndex=0,f.debug("MultiBufferStream","Stream ready for parsing"),!0):(f.warn("MultiBufferStream","The first buffer should have a fileStart of 0"),this.logBufferLevel(),!1):(f.warn("MultiBufferStream","No buffer to start parsing from"),this.logBufferLevel(),!1))},ArrayBuffer.concat=function(e,t){f.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},r.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},r.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}f.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)),f.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 i=i.fileStart+i.byteLength-e.fileStart,s=e.byteLength-i;if(!(0<s)){t=!1;break}e=this.reduceBuffer(e,i,s)}}t&&(f.debug("MultiBufferStream","Appending new buffer (fileStart: "+e.fileStart+" - Length: "+e.byteLength+")"),this.buffers.push(e),0===r&&(this.buffer=e))},r.prototype.logBufferLevel=function(e){for(var t,r,i=[],s="",n=0,a=0,o=0;o<this.buffers.length;o++)t=this.buffers[o],0===o?(i.push(r={}),r.start=t.fileStart,r.end=t.fileStart+t.byteLength,s+="["+r.start+"-"):r.end===t.fileStart?r.end=t.fileStart+t.byteLength:((r={}).start=t.fileStart,s+=i[i.length-1].end-1+"], ["+r.start+"-",r.end=t.fileStart+t.byteLength,i.push(r)),n+=t.usedBytes,a+=t.byteLength;0<i.length&&(s+=r.end-1+"]");e=e?f.info:f.debug;0===this.buffers.length?e("MultiBufferStream","No more buffer in memory"):e("MultiBufferStream",this.buffers.length+" stored buffer(s) ("+n+"/"+a+" bytes), continuous ranges: "+s)},r.prototype.cleanBuffers=function(){for(var e,t=0;t<this.buffers.length;t++)(e=this.buffers[t]).usedBytes===e.byteLength&&(f.debug("MultiBufferStream","Removing buffer #"+t),this.buffers.splice(t,1),t--)},r.prototype.mergeNextBuffer=function(){var e,t,r,i;return this.bufferIndex+1<this.buffers.length&&((e=this.buffers[this.bufferIndex+1]).fileStart===this.buffer.fileStart+this.buffer.byteLength&&(t=this.buffer.byteLength,r=this.buffer.usedBytes,i=this.buffer.fileStart,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,f.debug("ISOFile","Concatenating buffer for box parsing (length: "+t+"->"+this.buffer.byteLength+")"),!0))},r.prototype.findPosition=function(e,t,r){for(var i=null,s=-1,n=!0===e?0:this.bufferIndex;n<this.buffers.length&&(i=this.buffers[n]).fileStart<=t;)s=n,r&&(i.fileStart+i.byteLength<=t?i.usedBytes=i.byteLength:i.usedBytes=t-i.fileStart,this.logBufferLevel()),n++;return-1!==s&&(i=this.buffers[s]).fileStart+i.byteLength>=t?(f.debug("MultiBufferStream","Found position in existing buffer #"+s),s):-1},r.prototype.findEndContiguousBuf=function(e){var t,r,e=void 0!==e?e:this.bufferIndex,i=this.buffers[e];if(this.buffers.length>e+1)for(t=e+1;t<this.buffers.length&&(r=this.buffers[t]).fileStart===i.fileStart+i.byteLength;t++)i=r;return i.fileStart+i.byteLength},r.prototype.getEndFilePositionAfter=function(e){var t=this.findPosition(!0,e,!1);return-1!==t?this.findEndContiguousBuf(t):e},r.prototype.addUsedBytes=function(e){this.buffer.usedBytes+=e,this.logBufferLevel()},r.prototype.setAllUsedBytes=function(){this.buffer.usedBytes=this.buffer.byteLength,this.logBufferLevel()},r.prototype.seek=function(e,t,r){return-1!==(t=this.findPosition(t,e,r))?(this.buffer=this.buffers[t],this.bufferIndex=t,this.position=e-this.buffer.fileStart,f.debug("MultiBufferStream","Repositioning parser at buffer position: "+this.position),!0):(f.debug("MultiBufferStream","Position "+e+" not found in buffered data"),!1)},r.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},r.prototype.getLength=function(){return this.byteLength},r.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=r,t.MPEG4DescriptorParser=i,{ERR_INVALID_DATA:-1,ERR_NOT_ENOUGH_DATA:0,OK:1,BASIC_BOXES:["mdat","idat","free","skip","meco","strk"],FULL_BOXES:["hmhd","nmhd","iods","xml ","bxml","ipro","mere"],CONTAINER_BOXES:[["moov",["trak","pssh"]],["trak"],["edts"],["mdia"],["minf"],["dinf"],["stbl",["sgpd","sbgp"]],["mvex",["trex"]],["moof",["traf"]],["traf",["trun","sgpd","sbgp"]],["vttc"],["tref"],["iref"],["mfra",["tfra"]],["meco"],["hnti"],["hinf"],["strk"],["strd"],["sinf"],["rinf"],["schi"],["trgr"],["udta",["kind"]],["iprp",["ipma"]],["ipco"]],boxCodes:[],fullBoxCodes:[],containerBoxCodes:[],sampleEntryCodes:{},sampleGroupEntryCodes:[],trackGroupTypes:[],UUIDBoxes:{},UUIDs:[],initialize:function(){b.FullBox.prototype=new b.Box,b.ContainerBox.prototype=new b.Box,b.SampleEntry.prototype=new b.Box,b.TrackGroupTypeBox.prototype=new b.FullBox,b.BASIC_BOXES.forEach(function(e){b.createBoxCtor(e)}),b.FULL_BOXES.forEach(function(e){b.createFullBoxCtor(e)}),b.CONTAINER_BOXES.forEach(function(e){b.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){b.Box.call(this,e,t,r),this.flags=0,this.version=0},ContainerBox:function(e,t,r){b.Box.call(this,e,t,r),this.boxes=[]},SampleEntry:function(e,t,r,i){b.ContainerBox.call(this,e,t),this.hdr_size=r,this.start=i},SampleGroupEntry:function(e){this.grouping_type=e},TrackGroupTypeBox:function(e,t){b.FullBox.call(this,e,t)},createBoxCtor:function(t,e){b.boxCodes.push(t),b[t+"Box"]=function(e){b.Box.call(this,t,e)},b[t+"Box"].prototype=new b.Box,e&&(b[t+"Box"].prototype.parse=e)},createFullBoxCtor:function(t,r){b[t+"Box"]=function(e){b.FullBox.call(this,t,e)},b[t+"Box"].prototype=new b.FullBox,b[t+"Box"].prototype.parse=function(e){this.parseFullHeader(e),r&&r.call(this,e)}},addSubBoxArrays:function(e){if(e)for(var t=(this.subBoxNames=e).length,r=0;r<t;r++)this[e[r]+"s"]=[]},createContainerBoxCtor:function(t,e,r){b[t+"Box"]=function(e){b.ContainerBox.call(this,t,e),b.addSubBoxArrays.call(this,r)},b[t+"Box"].prototype=new b.ContainerBox,e&&(b[t+"Box"].prototype.parse=e)},createMediaSampleEntryCtor:function(e,t,r){b.sampleEntryCodes[e]=[],b[e+"SampleEntry"]=function(e,t){b.SampleEntry.call(this,e,t),b.addSubBoxArrays.call(this,r)},b[e+"SampleEntry"].prototype=new b.SampleEntry,t&&(b[e+"SampleEntry"].prototype.parse=t)},createSampleEntryCtor:function(t,r,e,i){b.sampleEntryCodes[t].push(r),b[r+"SampleEntry"]=function(e){b[t+"SampleEntry"].call(this,r,e),b.addSubBoxArrays.call(this,i)},b[r+"SampleEntry"].prototype=new b[t+"SampleEntry"],e&&(b[r+"SampleEntry"].prototype.parse=e)},createEncryptedSampleEntryCtor:function(e,t,r){b.createSampleEntryCtor.call(this,e,t,r,["sinf"])},createSampleGroupCtor:function(t,e){b[t+"SampleGroupEntry"]=function(e){b.SampleGroupEntry.call(this,t,e)},b[t+"SampleGroupEntry"].prototype=new b.SampleGroupEntry,e&&(b[t+"SampleGroupEntry"].prototype.parse=e)},createTrackGroupCtor:function(t,e){b[t+"TrackGroupTypeBox"]=function(e){b.TrackGroupTypeBox.call(this,t,e)},b[t+"TrackGroupTypeBox"].prototype=new b.TrackGroupTypeBox,e&&(b[t+"TrackGroupTypeBox"].prototype.parse=e)},createUUIDBox:function(t,r,i,s){b.UUIDs.push(t),b.UUIDBoxes[t]=function(e){(r?b.FullBox:i?b.ContainerBox:b.Box).call(this,"uuid",e,t)},b.UUIDBoxes[t].prototype=new(r?b.FullBox:i?b.ContainerBox:b.Box),s&&(b.UUIDBoxes[t].prototype.parse=r?function(e){this.parseFullHeader(e),s&&s.call(this,e)}:s)}});b.initialize(),b.TKHD_FLAG_ENABLED=1,b.TKHD_FLAG_IN_MOVIE=2,b.TKHD_FLAG_IN_PREVIEW=4,b.TFHD_FLAG_BASE_DATA_OFFSET=1,b.TFHD_FLAG_SAMPLE_DESC=2,b.TFHD_FLAG_SAMPLE_DUR=8,b.TFHD_FLAG_SAMPLE_SIZE=16,b.TFHD_FLAG_SAMPLE_FLAGS=32,b.TFHD_FLAG_DUR_EMPTY=65536,b.TFHD_FLAG_DEFAULT_BASE_IS_MOOF=131072,b.TRUN_FLAGS_DATA_OFFSET=1,b.TRUN_FLAGS_FIRST_FLAG=4,b.TRUN_FLAGS_DURATION=256,b.TRUN_FLAGS_SIZE=512,b.TRUN_FLAGS_FLAGS=1024,b.TRUN_FLAGS_CTS_OFFSET=2048,b.Box.prototype.add=function(e){return this.addBox(new b[e+"Box"])},b.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},b.Box.prototype.set=function(e,t){return this[e]=t,this},b.Box.prototype.addEntry=function(e,t){t=t||"entries";return this[t]||(this[t]=[]),this[t].push(e),this},(t.BoxParser=b).parseUUID=function(e){return b.parseHex16(e)},b.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},b.parseOneBox=function(e,t,r){var i,s,n=e.getPosition(),a=0;if(e.getEndPosition()-n<8)return f.debug("BoxParser","Not enough data in stream to parse the type and size of the box"),{code:b.ERR_NOT_ENOUGH_DATA};if(r&&r<8)return f.debug("BoxParser","Not enough bytes left in the parent box to parse a new box"),{code:b.ERR_NOT_ENOUGH_DATA};var o=e.readUint32(),l=e.readString(4),d=l;if(f.debug("BoxParser","Found box of type '"+l+"' and size "+o+" at position "+n),a=8,"uuid"==l){if(e.getEndPosition()-e.getPosition()<16||r-a<16)return e.seek(n),f.debug("BoxParser","Not enough bytes left in the parent box to parse a UUID box"),{code:b.ERR_NOT_ENOUGH_DATA};a+=16,d=s=b.parseUUID(e)}if(1==o){if(e.getEndPosition()-e.getPosition()<8||r&&r-a<8)return e.seek(n),f.warn("BoxParser",'Not enough data in stream to parse the extended size of the "'+l+'" box'),{code:b.ERR_NOT_ENOUGH_DATA};o=e.readUint64(),a+=8}else if(0===o)if(r)o=r;else if("mdat"!==l)return f.error("BoxParser","Unlimited box size not supported for type: '"+l+"'"),i=new b.Box(l,o),{code:b.OK,box:i,size:i.size};return 0!==o&&o<a?(f.error("BoxParser","Box of type "+l+" has an invalid size "+o+" (too small to be a box)"),{code:b.ERR_NOT_ENOUGH_DATA,type:l,size:o,hdr_size:a,start:n}):0!==o&&r&&r<o?(f.error("BoxParser","Box of type '"+l+"' has a size "+o+" greater than its container size "+r),{code:b.ERR_NOT_ENOUGH_DATA,type:l,size:o,hdr_size:a,start:n}):0!==o&&n+o>e.getEndPosition()?(e.seek(n),f.info("BoxParser","Not enough data in stream to parse the entire '"+l+"' box"),{code:b.ERR_NOT_ENOUGH_DATA,type:l,size:o,hdr_size:a,start:n}):t?{code:b.OK,type:l,size:o,hdr_size:a,start:n}:(b[l+"Box"]?i=new b[l+"Box"](o):"uuid"!==l?(f.warn("BoxParser","Unknown box type: '"+l+"'"),(i=new b.Box(l,o)).has_unparsed_data=!0):b.UUIDBoxes[s]?i=new b.UUIDBoxes[s](o):(f.warn("BoxParser","Unknown uuid type: '"+s+"'"),(i=new b.Box(l,o)).uuid=s,i.has_unparsed_data=!0),i.hdr_size=a,i.start=n,i.write===b.Box.prototype.write&&"mdat"!==i.type&&(f.info("BoxParser","'"+d+"' box writing not yet implemented, keeping unparsed data in memory for later write"),i.parseDataAndRewind(e)),i.parse(e),(r=e.getPosition()-(i.start+i.size))<0?(f.warn("BoxParser","Parsing of box '"+d+"' did not read the entire indicated box data size (missing "+-r+" bytes), seeking forward"),e.seek(i.start+i.size)):0<r&&(f.error("BoxParser","Parsing of box '"+d+"' read "+r+" more bytes than the indicated box data size, seeking backwards"),0!==i.size&&e.seek(i.start+i.size)),{code:b.OK,box:i,size:i.size})},b.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)},b.Box.prototype.parseDataAndRewind=function(e){this.data=e.readUint8Array(this.size-this.hdr_size),e.position-=this.size-this.hdr_size},b.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},b.FullBox.prototype.parseFullHeader=function(e){this.version=e.readUint8(),this.flags=e.readUint24(),this.hdr_size+=4},b.FullBox.prototype.parse=function(e){this.parseFullHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},b.ContainerBox.prototype.parse=function(e){for(;e.getPosition()<this.start+this.size;){if((r=b.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==b.OK)return;var t,r=r.box;this.boxes.push(r),this.subBoxNames&&-1!=this.subBoxNames.indexOf(r.type)?this[this.subBoxNames[this.subBoxNames.indexOf(r.type)]+"s"].push(r):this[t="uuid"!==r.type?r.type:r.uuid]?f.warn("Box of type "+t+" already stored in field of this type"):this[t]=r}},b.Box.prototype.parseLanguage=function(e){this.language=e.readUint16();e=[];e[0]=this.language>>10&31,e[1]=this.language>>5&31,e[2]=31&this.language,this.languageString=String.fromCharCode(e[0]+96,e[1]+96,e[2]+96)},b.SAMPLE_ENTRY_TYPE_VISUAL="Visual",b.SAMPLE_ENTRY_TYPE_AUDIO="Audio",b.SAMPLE_ENTRY_TYPE_HINT="Hint",b.SAMPLE_ENTRY_TYPE_METADATA="Metadata",b.SAMPLE_ENTRY_TYPE_SUBTITLE="Subtitle",b.SAMPLE_ENTRY_TYPE_SYSTEM="System",b.SAMPLE_ENTRY_TYPE_TEXT="Text",b.SampleEntry.prototype.parseHeader=function(e){e.readUint8Array(6),this.data_reference_index=e.readUint16(),this.hdr_size+=8},b.SampleEntry.prototype.parse=function(e){this.parseHeader(e),this.data=e.readUint8Array(this.size-this.hdr_size)},b.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},b.SampleEntry.prototype.parseFooter=function(e){b.ContainerBox.prototype.parse.call(this,e)},b.createMediaSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_HINT),b.createMediaSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_METADATA),b.createMediaSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SUBTITLE),b.createMediaSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SYSTEM),b.createMediaSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_TEXT),b.createMediaSampleEntryCtor(b.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)}),b.createMediaSampleEntryCtor(b.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)}),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"avc1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"avc2"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"avc3"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"avc4"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"av01"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"hvc1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"hev1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vvc1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vvi1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vvs1"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vvcN"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vp08"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"vp09"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_AUDIO,"mp4a"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_AUDIO,"ac-3"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_AUDIO,"ec-3"),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_AUDIO,"Opus"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_VISUAL,"encv"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_AUDIO,"enca"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SUBTITLE,"encu"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SYSTEM,"encs"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_TEXT,"enct"),b.createEncryptedSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_METADATA,"encm"),b.createBoxCtor("a1lx",function(e){var t=16*(1+(1&e.readUint8()));this.layer_size=[];for(var r=0;r<3;r++)this.layer_size[r]=16==t?e.readUint16():e.readUint32()}),b.createBoxCtor("a1op",function(e){this.op_index=e.readUint8()}),b.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)}),b.createBoxCtor("av1C",function(e){var t=e.readUint8();if(t>>7&!1)f.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 f.error("av1C reserved_2 parsing problem");t=this.size-this.hdr_size-4;this.configOBUs=e.readUint8Array(t)}else f.error("av1C reserved_1 parsing problem");else f.error("av1C version "+this.version+" not supported")}),b.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;0<r&&(this.ext=e.readUint8Array(r))}),b.createBoxCtor("btrt",function(e){this.bufferSizeDB=e.readUint32(),this.maxBitrate=e.readUint32(),this.avgBitrate=e.readUint32()}),b.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()}),b.createBoxCtor("clli",function(e){this.max_content_light_level=e.readUint16(),this.max_pic_average_light_level=e.readUint16()}),b.createFullBoxCtor("co64",function(e){var t,r=e.readUint32();if(this.chunk_offsets=[],0===this.version)for(t=0;t<r;t++)this.chunk_offsets.push(e.readUint64())}),b.createFullBoxCtor("CoLL",function(e){this.maxCLL=e.readUint16(),this.maxFALL=e.readUint16()}),b.createBoxCtor("colr",function(e){var t;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(),t=e.readUint8(),this.full_range_flag=t>>7):"rICC"!==this.colour_type&&"prof"!==this.colour_type||(this.ICC_profile=e.readUint8Array(this.size-4))}),b.createFullBoxCtor("cprt",function(e){this.parseLanguage(e),this.notice=e.readCString()}),b.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())}),b.createFullBoxCtor("ctts",function(e){var t,r=e.readUint32();if(this.sample_counts=[],this.sample_offsets=[],0===this.version)for(t=0;t<r;t++){this.sample_counts.push(e.readUint32());var i=e.readInt32();i<0&&f.warn("BoxParser","ctts box uses negative values without using version 1"),this.sample_offsets.push(i)}else if(1==this.version)for(t=0;t<r;t++)this.sample_counts.push(e.readUint32()),this.sample_offsets.push(e.readInt32())}),b.createBoxCtor("dac3",function(e){var t=e.readUint8(),r=e.readUint8(),e=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|e>>5&7}),b.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={},s=(this.ind_subs.push(i),e.readUint8()),n=e.readUint8(),a=e.readUint8();i.fscod=s>>6,i.bsid=s>>1&31,i.bsmod=(1&s)<<4|n>>4&15,i.acmod=n>>1&7,i.lfeon=1&n,i.num_dep_sub=a>>1&15,0<i.num_dep_sub&&(i.chan_loc=(1&a)<<8|e.readUint8())}}),b.createFullBoxCtor("dfLa",function(e){var t=[],r=["STREAMINFO","PADDING","APPLICATION","SEEKTABLE","VORBIS_COMMENT","CUESHEET","PICTURE","RESERVED"];for(this.parseFullHeader(e);;){var i=e.readUint8(),s=Math.min(127&i,r.length-1);if(s?e.readUint8Array(e.readUint24()):(e.readUint8Array(13),this.samplerate=e.readUint32()>>12,e.readUint8Array(20)),t.push(r[s]),128&i)break}this.numMetadataBlocks=t.length+" ("+t.join(", ")+")"}),b.createBoxCtor("dimm",function(e){this.bytessent=e.readUint64()}),b.createBoxCtor("dmax",function(e){this.time=e.readUint32()}),b.createBoxCtor("dmed",function(e){this.bytessent=e.readUint64()}),b.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()}}),b.createFullBoxCtor("dref",function(e){var t;this.entries=[];for(var r=e.readUint32(),i=0;i<r;i++){if((t=b.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==b.OK)return;t=t.box,this.entries.push(t)}}),b.createBoxCtor("drep",function(e){this.bytessent=e.readUint64()}),b.createFullBoxCtor("elng",function(e){this.extended_language=e.readString(this.size-this.hdr_size)}),b.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()}}),b.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)}),b.createFullBoxCtor("esds",function(e){var e=e.readUint8Array(this.size-this.hdr_size),t=new i;this.esd=t.parseOneDescriptor(new l(e.buffer,0,l.BIG_ENDIAN))}),b.createBoxCtor("fiel",function(e){this.fieldCount=e.readUint8(),this.fieldOrdering=e.readUint8()}),b.createBoxCtor("frma",function(e){this.data_format=e.readString(4)}),b.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;4<=t;)this.compatible_brands[r]=e.readString(4),t-=4,r++}),b.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)))}),b.createBoxCtor("hvcC",function(e){this.configurationVersion=e.readUint8(),r=e.readUint8(),this.general_profile_space=r>>6,this.general_tier_flag=(32&r)>>5,this.general_profile_idc=31&r,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(),r=e.readUint8(),this.constantFrameRate=r>>6,this.numTemporalLayers=(13&r)>>3,this.temporalIdNested=(4&r)>>2,this.lengthSizeMinusOne=3&r,this.nalu_arrays=[];for(var t,r,i=e.readUint8(),s=0;s<i;s++)for(var n=[],a=(this.nalu_arrays.push(n),r=e.readUint8(),n.completeness=(128&r)>>7,n.nalu_type=63&r,e.readUint16()),o=0;o<a;o++){var l={};n.push(l),t=e.readUint16(),l.data=e.readUint8Array(t)}}),b.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=b.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==b.OK)return;"infe"!==t.box.type&&f.error("BoxParser","Expected 'infe' box, got "+t.box.type),this.item_infos[r]=t.box}}),b.createFullBoxCtor("iloc",function(e){var t=e.readUint8(),r=(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=[],0);if(this.version<2)r=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";r=e.readUint32()}for(var i=0;i<r;i++){var s={};if(this.items.push(s),this.version<2)s.item_ID=e.readUint16();else{if(2!==this.version)throw"version of iloc box not supported";s.item_ID=e.readUint16()}switch(1===this.version||2===this.version?s.construction_method=15&e.readUint16():s.construction_method=0,s.data_reference_index=e.readUint16(),this.base_offset_size){case 0:s.base_offset=0;break;case 4:s.base_offset=e.readUint32();break;case 8:s.base_offset=e.readUint64();break;default:throw"Error reading base offset size"}var n=e.readUint16();s.extents=[];for(var a=0;a<n;a++){var o={};if(s.extents.push(o),1===this.version||2===this.version)switch(this.index_size){case 0:o.extent_index=0;break;case 4:o.extent_index=e.readUint32();break;case 8:o.extent_index=e.readUint64();break;default:throw"Error reading extent index"}switch(this.offset_size){case 0:o.extent_offset=0;break;case 4:o.extent_offset=e.readUint32();break;case 8:o.extent_offset=e.readUint64();break;default:throw"Error reading extent index"}switch(this.length_size){case 0:o.extent_length=0;break;case 4:o.extent_length=e.readUint32();break;case 8:o.extent_length=e.readUint64();break;default:throw"Error reading extent index"}}}}),b.createBoxCtor("imir",function(e){e=e.readUint8();this.reserved=e>>7,this.axis=1&e}),b.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),f.warn("BoxParser","Cannot parse extension type"),void e.seek(this.start+this.size);2<=this.version&&(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()))}),b.createFullBoxCtor("ipma",function(e){var t,r;for(entry_count=e.readUint32(),this.associations=[],t=0;t<entry_count;t++){var i={},s=(this.associations.push(i),this.version<1?i.id=e.readUint16():i.id=e.readUint32(),e.readUint8());for(i.props=[],r=0;r<s;r++){var n=e.readUint8(),a={};i.props.push(a),a.essential=(128&n)>>7==1,1&this.flags?a.property_index=(127&n)<<8|e.readUint8():a.property_index=127&n}}}),b.createFullBoxCtor("iref",function(e){var t;for(this.references=[];e.getPosition()<this.start+this.size;){if((t=b.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==b.OK)return;(t=new(0===this.version?b.SingleItemTypeReferenceBox:b.SingleItemTypeReferenceBoxLarge)(t.type,t.size,t.hdr_size,t.start)).write===b.Box.prototype.write&&"mdat"!==t.type&&(f.warn("BoxParser",t.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),t.parseDataAndRewind(e)),t.parse(e),this.references.push(t)}}),b.createBoxCtor("irot",function(e){this.angle=3&e.readUint8()}),b.createFullBoxCtor("ispe",function(e){this.image_width=e.readUint32(),this.image_height=e.readUint32()}),b.createFullBoxCtor("kind",function(e){this.schemeURI=e.readCString(),this.value=e.readCString()}),b.createFullBoxCtor("leva",function(e){var t=e.readUint8();this.levels=[];for(var r=0;r<t;r++){var i={},s=((this.levels[r]=i).track_ID=e.readUint32(),e.readUint8());switch(i.padding_flag=s>>7,i.assignment_type=127&s,i.assignment_type){case 0:i.grouping_type=e.readString(4);break;case 1:i.grouping_type=e.readString(4),i.grouping_type_parameter=e.readUint32();break;case 2:case 3:break;case 4:i.sub_track_id=e.readUint32();break;default:f.warn("BoxParser","Unknown leva assignement type")}}}),b.createBoxCtor("lsel",function(e){this.layer_id=e.readUint16()}),b.createBoxCtor("maxr",function(e){this.period=e.readUint32(),this.bytes=e.readUint32()}),b.createBoxCtor("mdcv",function(e){this.display_primaries=[],this.display_primaries[0]={},this.display_primaries[0].x=e.readUint16(),this.display_primaries[0].y=e.readUint16(),this.display_primaries[1]={},this.display_primaries[1].x=e.readUint16(),this.display_primaries[1].y=e.readUint16(),this.display_primaries[2]={},this.display_primaries[2].x=e.readUint16(),this.display_primaries[2].y=e.readUint16(),this.white_point={},this.white_point.x=e.readUint16(),this.white_point.y=e.readUint16(),this.max_display_mastering_luminance=e.readUint32(),this.min_display_mastering_luminance=e.readUint32()}),b.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()}),b.createFullBoxCtor("mehd",function(e){1&this.flags&&(f.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()}),b.createFullBoxCtor("meta",function(e){this.boxes=[],b.ContainerBox.prototype.parse.call(this,e)}),b.createFullBoxCtor("mfhd",function(e){this.sequence_number=e.readUint32()}),b.createFullBoxCtor("mfro",function(e){this._size=e.readUint32()}),b.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()}),b.createBoxCtor("npck",function(e){this.packetssent=e.readUint32()}),b.createBoxCtor("nump",function(e){this.packetssent=e.readUint64()}),b.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()}),b.createBoxCtor("pasp",function(e){this.hSpacing=e.readUint32(),this.vSpacing=e.readUint32()}),b.createBoxCtor("payl",function(e){this.text=e.readString(this.size-this.hdr_size)}),b.createBoxCtor("payt",function(e){this.payloadID=e.readUint32();var t=e.readUint8();this.rtpmap_string=e.readString(t)}),b.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()}),b.createFullBoxCtor("pitm",function(e){0===this.version?this.item_id=e.readUint16():this.item_id=e.readUint32()}),b.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()}),b.createBoxCtor("pmax",function(e){this.bytes=e.readUint32()}),b.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()}),b.createFullBoxCtor("pssh",function(e){if(this.system_id=b.parseHex16(e),0<this.version){var t=e.readUint32();this.kid=[];for(var r=0;r<t;r++)this.kid[r]=b.parseHex16(e)}var i=e.readUint32();0<i&&(this.data=e.readUint8Array(i))}),b.createFullBoxCtor("clef",function(e){this.width=e.readUint32(),this.height=e.readUint32()}),b.createFullBoxCtor("enof",function(e){this.width=e.readUint32(),this.height=e.readUint32()}),b.createFullBoxCtor("prof",function(e){this.width=e.readUint32(),this.height=e.readUint32()}),b.createContainerBoxCtor("tapt",null,["clef","prof","enof"]),b.createBoxCtor("rtp ",function(e){this.descriptionformat=e.readString(4),this.sdptext=e.readString(this.size-this.hdr_size-4)}),b.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()}),b.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()}),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_METADATA,"mett",function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)}),b.createSampleEntryCtor(b.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)}),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SUBTITLE,"sbtt",function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)}),b.createSampleEntryCtor(b.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)}),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_SUBTITLE,"stxt",function(e){this.parseHeader(e),this.content_encoding=e.readCString(),this.mime_format=e.readCString(),this.parseFooter(e)}),b.createSampleEntryCtor(b.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)}),b.createSampleEntryCtor(b.SAMPLE_ENTRY_TYPE_METADATA,"wvtt",function(e){this.parseHeader(e),this.parseFooter(e)}),b.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()}),b.createSampleGroupCtor("avll",function(e){this.layerNumber=e.readUint8(),this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()}),b.createSampleGroupCtor("avss",function(e){this.subSequenceIdentifier=e.readUint16(),this.layerNumber=e.readUint8();var t=e.readUint8();this.durationFlag=t>>7,this.avgRateFlag=t>>6&1,this.durationFlag&&(this.duration=e.readUint32()),this.avgRateFlag&&(this.accurateStatisticsFlag=e.readUint8(),this.avgBitRate=e.readUint16(),this.avgFrameRate=e.readUint16()),this.dependency=[];for(var r=e.readUint8(),i=0;i<r;i++){var s={};this.dependency.push(s),s.subSeqDirectionFlag=e.readUint8(),s.layerNumber=e.readUint8(),s.subSequenceIdentifier=e.readUint16()}}),b.createSampleGroupCtor("dtrt",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("mvif",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("prol",function(e){this.roll_distance=e.readInt16()}),b.createSampleGroupCtor("rap ",function(e){e=e.readUint8();this.num_leading_samples_known=e>>7,this.num_leading_samples=127&e}),b.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)f.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()}}),b.createSampleGroupCtor("roll",function(e){this.roll_distance=e.readInt16()}),b.SampleGroupEntry.prototype.parse=function(e){f.warn("BoxParser","Unknown Sample Group type: "+this.grouping_type),this.data=e.readUint8Array(this.description_length)},b.createSampleGroupCtor("scif",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("scnm",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.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=b.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))}),b.createSampleGroupCtor("stsa",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("sync",function(e){e=e.readUint8();this.NAL_unit_type=63&e}),b.createSampleGroupCtor("tele",function(e){e=e.readUint8();this.level_independently_decodable=e>>7}),b.createSampleGroupCtor("tsas",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("tscl",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.createSampleGroupCtor("vipr",function(e){f.warn("BoxParser","Sample Group type: "+this.grouping_type+" not fully parsed")}),b.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()}}),b.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))}),b.createBoxCtor("sdp ",function(e){this.sdptext=e.readString(this.size-this.hdr_size)}),b.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}),b.createFullBoxCtor("senc"),b.createFullBoxCtor("sgpd",function(e){this.grouping_type=e.readString(4),f.debug("BoxParser","Found Sample Groups of type "+this.grouping_type),1===this.version?this.default_length=e.readUint32():this.default_length=0,2<=this.version&&(this.default_group_description_index=e.readUint32()),this.entries=[];for(var t=e.readUint32(),r=0;r<t;r++){var i=new(b[this.grouping_type+"SampleGroupEntry"]?b[this.grouping_type+"SampleGroupEntry"]:b.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===b.SampleGroupEntry.prototype.write&&(f.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)}}),b.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={},s=(this.references.push(i),e.readUint32());i.reference_type=s>>31&1,i.referenced_size=2147483647&s,i.subsegment_duration=e.readUint32(),s=e.readUint32(),i.starts_with_SAP=s>>31&1,i.SAP_type=s>>28&7,i.SAP_delta_time=268435455&s}}),b.SingleItemTypeReferenceBox=function(e,t,r,i){b.Box.call(this,e,t),this.hdr_size=r,this.start=i},b.SingleItemTypeReferenceBox.prototype=new b.Box,b.SingleItemTypeReferenceBox.prototype.parse=function(e){this.from_item_ID=e.readUint16();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]=e.readUint16()},b.SingleItemTypeReferenceBoxLarge=function(e,t,r,i){b.Box.call(this,e,t),this.hdr_size=r,this.start=i},b.SingleItemTypeReferenceBoxLarge.prototype=new b.Box,b.SingleItemTypeReferenceBoxLarge.prototype.parse=function(e){this.from_item_ID=e.readUint32();var t=e.readUint16();this.references=[];for(var r=0;r<t;r++)this.references[r]=e.readUint32()},b.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()}),b.createFullBoxCtor("smhd",function(e){this.balance=e.readUint16(),e.readUint16()}),b.createFullBoxCtor("ssix",function(e){this.subsegments=[];for(var t=e.readUint32(),r=0;r<t;r++){var i={};this.subsegments.push(i),i.ranges=[];for(var s=e.readUint32(),n=0;n<s;n++){var a={};i.ranges.push(a),a.level=e.readUint8(),a.range_size=e.readUint24()}}}),b.createFullBoxCtor("stco",function(e){var t=e.readUint32();if(this.chunk_offsets=[],0===this.version)for(var r=0;r<t;r++)this.chunk_offsets.push(e.readUint32())}),b.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()}),b.createFullBoxCtor("sthd"),b.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()}),b.createFullBoxCtor("stsc",function(e){var t,r=e.readUint32();if(this.first_chunk=[],this.samples_per_chunk=[],this.sample_description_index=[],0===this.version)for(t=0;t<r;t++)this.first_chunk.push(e.readUint32()),this.samples_per_chunk.push(e.readUint32()),this.sample_description_index.push(e.readUint32())}),b.createFullBoxCtor("stsd",function(e){var t,r,i,s;for(this.entries=[],i=e.readUint32(),t=1;t<=i;t++){if((r=b.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==b.OK)return;b[r.type+"SampleEntry"]?((s=new b[r.type+"SampleEntry"](r.size)).hdr_size=r.hdr_size,s.start=r.start):(f.warn("BoxParser","Unknown sample entry type: "+r.type),s=new b.SampleEntry(r.type,r.size,r.hdr_size,r.start)),s.write===b.SampleEntry.prototype.write&&(f.info("BoxParser","SampleEntry "+s.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),s.parseDataAndRewind(e)),s.parse(e),this.entries.push(s)}}),b.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()}),b.createFullBoxCtor("stsh",function(e){var t,r=e.readUint32();if(this.shadowed_sample_numbers=[],this.sync_sample_numbers=[],0===this.version)for(t=0;t<r;t++)this.shadowed_sample_numbers.push(e.readUint32()),this.sync_sample_numbers.push(e.readUint32())}),b.createFullBoxCtor("stss",function(e){var t,r=e.readUint32();if(0===this.version)for(this.sample_numbers=[],t=0;t<r;t++)this.sample_numbers.push(e.readUint32())}),b.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}),b.createFullBoxCtor("stts",function(e){var t,r,i=e.readUint32();if(this.sample_counts=[],this.sample_deltas=[],0===this.version)for(t=0;t<i;t++)this.sample_counts.push(e.readUint32()),(r=e.readInt32())<0&&(f.warn("BoxParser","File uses negative stts sample delta, using value 1 instead, sync may be lost!"),r=1),this.sample_deltas.push(r)}),b.createFullBoxCtor("stvi",function(e){var t=e.readUint32();this.single_view_allowed=3&t,this.stereo_scheme=e.readUint32();var r,t=e.readUint32();for(this.stereo_indication_type=e.readString(t),this.boxes=[];e.getPosition()<this.start+this.size;){if((r=b.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==b.OK)return;r=r.box,this.boxes.push(r),this[r.type]=r}}),b.createBoxCtor("styp",function(e){b.ftypBox.prototype.parse.call(this,e)}),b.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 f.error("BoxParser","Error in length field in stz2 box")}),b.createFullBoxCtor("subs",function(e){var t,r,i,s=e.readUint32();for(this.entries=[],t=0;t<s;t++){var n={};if((this.entries[t]=n).sample_delta=e.readUint32(),n.subsamples=[],0<(i=e.readUint16()))for(r=0;r<i;r++){var a={};n.subsamples.push(a),1==this.version?a.size=e.readUint32():a.size=e.readUint16(),a.priority=e.readUint8(),a.discardable=e.readUint8(),a.codec_specific_parameters=e.readUint32()}}}),b.createFullBoxCtor("tenc",function(e){var t;e.readUint8(),0===this.version?e.readUint8():(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=b.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))}),b.createFullBoxCtor("tfdt",function(e){1==this.version?this.baseMediaDecodeTime=e.readUint64():this.baseMediaDecodeTime=e.readUint32()}),b.createFullBoxCtor("tfhd",function(e){var t=0;this.track_id=e.readUint32(),this.size-this.hdr_size>t&&this.flags&b.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&b.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&b.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&b.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&b.TFHD_FLAG_SAMPLE_FLAGS?this.default_sample_flags=e.readUint32():this.default_sample_flags=0}),b.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)]()}),b.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()}),b.createBoxCtor("tmax",function(e){this.time=e.readUint32()}),b.createBoxCtor("tmin",function(e){this.time=e.readUint32()}),b.createBoxCtor("totl",function(e){this.bytessent=e.readUint32()}),b.createBoxCtor("tpay",function(e){this.bytessent=e.readUint32()}),b.createBoxCtor("tpyl",function(e){this.bytessent=e.readUint64()}),b.TrackGroupTypeBox.prototype.parse=function(e){this.parseFullHeader(e),this.track_group_id=e.readUint32()},b.createTrackGroupCtor("msrc"),b.TrackReferenceTypeBox=function(e,t,r,i){b.Box.call(this,e,t),this.hdr_size=r,this.start=i},b.TrackReferenceTypeBox.prototype=new b.Box,b.TrackReferenceTypeBox.prototype.parse=function(e){this.track_ids=e.readUint32Array((this.size-this.hdr_size)/4)},b.trefBox.prototype.parse=function(e){for(var t;e.getPosition()<this.start+this.size;){if((t=b.parseOneBox(e,!0,this.size-(e.getPosition()-this.start))).code!==b.OK)return;(t=new b.TrackReferenceTypeBox(t.type,t.size,t.hdr_size,t.start)).write===b.Box.prototype.write&&"mdat"!==t.type&&(f.info("BoxParser","TrackReference "+t.type+" box writing not yet implemented, keeping unparsed data in memory for later write"),t.parseDataAndRewind(e)),t.parse(e),this.boxes.push(t)}},b.createFullBoxCtor("trep",function(e){for(this.track_ID=e.readUint32(),this.boxes=[];e.getPosition()<this.start+this.size;){if((ret=b.parseOneBox(e,!1,this.size-(e.getPosition()-this.start))).code!==b.OK)return;box=ret.box,this.boxes.push(box)}}),b.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()}),b.createBoxCtor("trpy",function(e){this.bytessent=e.readUint64()}),b.createFullBoxCtor("trun",function(e){var t=0;if(this.sample_count=e.readUint32(),this.size-this.hdr_size>(t+=4)&&this.flags&b.TRUN_FLAGS_DATA_OFFSET?(this.data_offset=e.readInt32(),t+=4):this.data_offset=0,this.size-this.hdr_size>t&&this.flags&b.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&b.TRUN_FLAGS_DURATION&&(this.sample_duration[r]=e.readUint32()),this.flags&b.TRUN_FLAGS_SIZE&&(this.sample_size[r]=e.readUint32()),this.flags&b.TRUN_FLAGS_FLAGS&&(this.sample_flags[r]=e.readUint32()),this.flags&b.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?this.sample_composition_time_offset[r]=e.readUint32():this.sample_composition_time_offset[r]=e.readInt32())}),b.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()}),b.createFullBoxCtor("txtC",function(e){this.config=e.readCString()}),b.createFullBoxCtor("url ",function(e){1!==this.flags&&(this.location=e.readCString())}),b.createFullBoxCtor("urn ",function(e){this.name=e.readCString(),0<this.size-this.hdr_size-this.name.length-1&&(this.location=e.readCString())}),b.createUUIDBox("a5d40b30e81411ddba2f0800200c9a66",!0,!1,function(e){this.LiveServerManifest=e.readString(this.size-this.hdr_size).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">").replace(/"/g,""").replace(/'/g,"'")}),b.createUUIDBox("d08a4f1810f34a82b6c832d8aba183d3",!0,!1,function(e){this.system_id=b.parseHex16(e);var t=e.readUint32();0<t&&(this.data=e.readUint8Array(t))}),b.createUUIDBox("a2394f525a9b4f14a2446c427c648df4",!0,!1),b.createUUIDBox("8974dbce7be74c5184f97148f9882554",!0,!1,function(e){this.default_AlgorithmID=e.readUint24(),this.default_IV_size=e.readUint8(),this.default_KID=b.parseHex16(e)}),b.createUUIDBox("d4807ef2ca3946958e5426cb9e46a79f",!0,!1,function(e){this.fragment_count=e.readUint8(),this.entries=[];for(var t=0;t<this.fragment_count;t++){var r={},i=0,s=0,s=1===this.version?(i=e.readUint64(),e.readUint64()):(i=e.readUint32(),e.readUint32());r.absolute_time=i,r.absolute_duration=s,this.entries.push(r)}}),b.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())}),b.createFullBoxCtor("vmhd",function(e){this.graphicsmode=e.readUint16(),this.opcolor=e.readUint16Array(3)}),b.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.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)}),b.createBoxCtor("vttC",function(e){this.text=e.readString(this.size-this.hdr_size)}),b.createFullBoxCtor("vvcC",function(e){var t,r={held_bits:void 0,num_held_bits:0,stream_read_1_bytes:function(e){this.held_bits=e.readUint8(),this.num_held_bits=8},stream_read_2_bytes:function(e){this.held_bits=e.readUint16(),this.num_held_bits=16},extract_bits:function(e){var t=this.held_bits>>this.num_held_bits-e&(1<<e)-1;return this.num_held_bits-=e,t}};if(r.stream_read_1_bytes(e),r.extract_bits(5),this.lengthSizeMinusOne=r.extract_bits(2),this.ptl_present_flag=r.extract_bits(1),this.ptl_present_flag){if(r.stream_read_2_bytes(e),this.ols_idx=r.extract_bits(9),this.num_sublayers=r.extract_bits(3),this.constant_frame_rate=r.extract_bits(2),this.chroma_format_idc=r.extract_bits(2),r.stream_read_1_bytes(e),this.bit_depth_minus8=r.extract_bits(3),r.extract_bits(5),r.stream_read_2_bytes(e),r.extract_bits(2),this.num_bytes_constraint_info=r.extract_bits(6),this.general_profile_idc=r.extract_bits(7),this.general_tier_flag=r.extract_bits(1),this.general_level_idc=e.readUint8(),r.stream_read_1_bytes(e),this.ptl_frame_only_constraint_flag=r.extract_bits(1),this.ptl_multilayer_enabled_flag=r.extract_bits(1),this.general_constraint_info=new Uint8Array(this.num_bytes_constraint_info),this.num_bytes_constraint_info){for(o=0;o<this.num_bytes_constraint_info-1;o++){var i=r.extract_bits(6),s=(r.stream_read_1_bytes(e),r.extract_bits(2));this.general_constraint_info[o]=i<<2|s}this.general_constraint_info[this.num_bytes_constraint_info-1]=r.extract_bits(6)}else r.extract_bits(6);for(r.stream_read_1_bytes(e),this.ptl_sublayer_present_mask=0,t=this.num_sublayers-2;0<=t;--t){var n=r.extract_bits(1);this.ptl_sublayer_present_mask|=n<<t}for(t=this.num_sublayers;t<=8&&1<this.num_sublayers;++t)r.extract_bits(1);for(t=this.num_sublayers-2;0<=t;--t)this.ptl_sublayer_present_mask&1<<t&&(this.sublayer_level_idc[t]=e.readUint8());if(this.ptl_num_sub_profiles=e.readUint8(),this.general_sub_profile_idc=[],this.ptl_num_sub_profiles)for(o=0;o<this.ptl_num_sub_profiles;o++)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=[];for(var a=e.readUint8(),o=0;o<a;o++){var l=[],d=(this.nalu_arrays.push(l),r.stream_read_1_bytes(e),l.completeness=r.extract_bits(1),r.extract_bits(2),l.nalu_type=r.extract_bits(5),1);for(13!=l.nalu_type&&12!=l.nalu_type&&(d=e.readUint16()),t=0;t<d;t++){var h=e.readUint16();l.push({data:e.readUint8Array(h),length:h})}}}),b.createFullBoxCtor("vvnC",function(e){var t=strm.readUint8();this.lengthSizeMinusOne=3&t}),b.SampleEntry.prototype.isVideo=function(){return!1},b.SampleEntry.prototype.isAudio=function(){return!1},b.SampleEntry.prototype.isSubtitle=function(){return!1},b.SampleEntry.prototype.isMetadata=function(){return!1},b.SampleEntry.prototype.isHint=function(){return!1},b.SampleEntry.prototype.getCodec=function(){return this.type.replace(".","")},b.SampleEntry.prototype.getWidth=function(){return""},b.SampleEntry.prototype.getHeight=function(){return""},b.SampleEntry.prototype.getChannelCount=function(){return""},b.SampleEntry.prototype.getSampleRate=function(){return""},b.SampleEntry.prototype.getSampleSize=function(){return""},b.VisualSampleEntry.prototype.isVideo=function(){return!0},b.VisualSampleEntry.prototype.getWidth=function(){return this.width},b.VisualSampleEntry.prototype.getHeight=function(){return this.height},b.AudioSampleEntry.prototype.isAudio=function(){return!0},b.AudioSampleEntry.prototype.getChannelCount=function(){return this.channel_count},b.AudioSampleEntry.prototype.getSampleRate=function(){return this.samplerate},b.AudioSampleEntry.prototype.getSampleSize=function(){return this.samplesize},b.SubtitleSampleEntry.prototype.isSubtitle=function(){return!0},b.MetadataSampleEntry.prototype.isMetadata=function(){return!0},b.decimalToHex=function(e,t){var r=Number(e).toString(16);for(t=null==t?2:t;r.length<t;)r="0"+r;return r},b.avc1SampleEntry.prototype.getCodec=b.avc2SampleEntry.prototype.getCodec=b.avc3SampleEntry.prototype.getCodec=b.avc4SampleEntry.prototype.getCodec=function(){var e=b.SampleEntry.prototype.getCodec.call(this);return this.avcC?e+"."+b.decimalToHex(this.avcC.AVCProfileIndication)+b.decimalToHex(this.avcC.profile_compatibility)+b.decimalToHex(this.avcC.AVCLevelIndication):e},b.hev1SampleEntry.prototype.getCodec=b.hvc1SampleEntry.prototype.getCodec=function(){var e=b.SampleEntry.prototype.getCodec.call(this);if(this.hvcC){switch(e+=".",this.hvcC.general_profile_space){case 0:e+="";break;case 1:e+="A";break;case 2:e+="B";break;case 3:e+="C"}for(var e=e+this.hvcC.general_profile_idc+".",t=this.hvcC.general_profile_compatibility,r=0,i=0;i<32&&(r|=1&t,31!=i);i++)r<<=1,t>>=1;e=e+b.decimalToHex(r,0)+".",0===this.hvcC.general_tier_flag?e+="L":e+="H",e+=this.hvcC.general_level_idc;var s=!1,n="";for(i=5;0<=i;i--)(this.hvcC.general_constraint_indicator[i]||s)&&(n="."+b.decimalToHex(this.hvcC.general_constraint_indicator[i],0)+n,s=!0);e+=n}return e},b.vvc1SampleEntry.prototype.getCodec=b.vvi1SampleEntry.prototype.getCodec=function(){var e=b.SampleEntry.prototype.getCodec.call(this);if(this.vvcC){e+="."+this.vvcC.general_profile_idc,this.vvcC.general_tier_flag?e+=".H":e+=".L",e+=this.vvcC.general_level_idc;var t="";if(this.vvcC.general_constraint_info){var r,i=[],s=0,s=(s|=this.vvcC.ptl_frame_only_constraint<<7)|this.vvcC.ptl_multilayer_enabled<<6;for(l=0;l<this.vvcC.general_constraint_info.length;++l)s|=this.vvcC.general_constraint_info[l]>>2&63,i.push(s),s&&(r=l),s=this.vvcC.general_constraint_info[l]>>2&3;if(void 0===r)t=".CA";else{for(var t=".C",n="ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",a=0,o=0,l=0;l<=r;++l)for(a=a<<8|i[l],o+=8;5<=o;)t+=n[a>>o-5&31],a&=(1<<(o-=5))-1;o&&(t+=n[31&(a<<=5-o)])}}e+=t}return e},b.mp4aSampleEntry.prototype.getCodec=function(){var e,t,r=b.SampleEntry.prototype.getCodec.call(this);return this.esds&&this.esds.esd?(e=this.esds.esd.getOTI(),t=this.esds.esd.getAudioConfig(),r+"."+b.decimalToHex(e)+(t?"."+t:"")):r},b.stxtSampleEntry.prototype.getCodec=function(){var e=b.SampleEntry.prototype.getCodec.call(this);return this.mime_format?e+"."+this.mime_format:e},b.vp08SampleEntry.prototype.getCodec=b.vp09SampleEntry.prototype.getCodec=function(){var e=b.SampleEntry.prototype.getCodec.call(this),t=this.vpcC.level,r=this.vpcC.bitDepth;return e+".0"+this.vpcC.profile+"."+(t=0==t?"00":t)+"."+(r=8==r?"08":r)},b.av01SampleEntry.prototype.getCodec=function(){var e,t=b.SampleEntry.prototype.getCodec.call(this),r=this.av1C.seq_level_idx_0;return 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=r<10?"0"+r:r)+(this.av1C.seq_tier_0?"H":"M")+"."+e},b.Box.prototype.writeHeader=function(e,t){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),f.debug("BoxWriter","Writing box "+this.type+" of size: "+this.size+" at position "+e.getPosition()+(t||"")),this.size>d?e.writeUint32(1):(this.sizePosition=e.getPosition(),e.writeUint32(this.size)),e.writeString(this.type,null,4),"uuid"===this.type&&e.writeUint8Array(this.uuid),this.size>d&&e.writeUint64(this.size)},b.FullBox.prototype.writeHeader=function(e){this.size+=4,b.Box.prototype.writeHeader.call(this,e," v="+this.version+" f="+this.flags),e.writeUint8(this.version),e.writeUint24(this.flags)},b.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))},b.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);f.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},b.TrackReferenceTypeBox.prototype.write=function(e){this.size=4*this.track_ids.length,this.writeHeader(e),e.writeUint32Array(this.track_ids)},b.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)},b.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])},b.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)},b.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])},b.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;f.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},b.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)},b.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)}},b.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)},b.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)},b.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)},b.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)},b.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)},b.mehdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.fragment_duration)},b.mfhdBox.prototype.write=function(e){this.version=0,this.flags=0,this.size=4,this.writeHeader(e),e.writeUint32(this.sequence_number)},b.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)},b.SampleEntry.prototype.writeHeader=function(e){this.size=8,b.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)},b.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;f.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},b.SampleEntry.prototype.write=function(e){this.writeHeader(e),e.writeUint8Array(this.data),this.size+=this.data.length,f.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},b.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)},b.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)},b.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)},b.SampleGroupEntry.prototype.write=function(e){e.writeUint8Array(this.data)},b.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)}},b.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),2<=this.version&&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)},b.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)}},b.smhdBox.prototype.write=function(e){this.version=0,this.flags=1,this.size=4,this.writeHeader(e),e.writeUint16(this.balance),e.writeUint16(0)},b.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)},b.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])},b.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;f.debug("BoxWriter","Adjusting box "+this.type+" with new size "+this.size),e.adjustUint32(this.sizePosition,this.size)},b.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])},b.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)},b.stszBox.prototype.write=function(e){var t,r=!0;if(this.version=0,(this.flags=0)<this.sample_sizes.length)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)},b.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])},b.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)},b.tfhdBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&b.TFHD_FLAG_BASE_DATA_OFFSET&&(this.size+=8),this.flags&b.TFHD_FLAG_SAMPLE_DESC&&(this.size+=4),this.flags&b.TFHD_FLAG_SAMPLE_DUR&&(this.size+=4),this.flags&b.TFHD_FLAG_SAMPLE_SIZE&&(this.size+=4),this.flags&b.TFHD_FLAG_SAMPLE_FLAGS&&(this.size+=4),this.writeHeader(e),e.writeUint32(this.track_id),this.flags&b.TFHD_FLAG_BASE_DATA_OFFSET&&e.writeUint64(this.base_data_offset),this.flags&b.TFHD_FLAG_SAMPLE_DESC&&e.writeUint32(this.default_sample_description_index),this.flags&b.TFHD_FLAG_SAMPLE_DUR&&e.writeUint32(this.default_sample_duration),this.flags&b.TFHD_FLAG_SAMPLE_SIZE&&e.writeUint32(this.default_sample_size),this.flags&b.TFHD_FLAG_SAMPLE_FLAGS&&e.writeUint32(this.default_sample_flags)},b.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)},b.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)},b.trunBox.prototype.write=function(e){this.version=0,this.size=4,this.flags&b.TRUN_FLAGS_DATA_OFFSET&&(this.size+=4),this.flags&b.TRUN_FLAGS_FIRST_FLAG&&(this.size+=4),this.flags&b.TRUN_FLAGS_DURATION&&(this.size+=4*this.sample_duration.length),this.flags&b.TRUN_FLAGS_SIZE&&(this.size+=4*this.sample_size.length),this.flags&b.TRUN_FLAGS_FLAGS&&(this.size+=4*this.sample_flags.length),this.flags&b.TRUN_FLAGS_CTS_OFFSET&&(this.size+=4*this.sample_composition_time_offset.length),this.writeHeader(e),e.writeUint32(this.sample_count),this.flags&b.TRUN_FLAGS_DATA_OFFSET&&(this.data_offset_position=e.getPosition(),e.writeInt32(this.data_offset)),this.flags&b.TRUN_FLAGS_FIRST_FLAG&&e.writeUint32(this.first_sample_flags);for(var t=0;t<this.sample_count;t++)this.flags&b.TRUN_FLAGS_DURATION&&e.writeUint32(this.sample_duration[t]),this.flags&b.TRUN_FLAGS_SIZE&&e.writeUint32(this.sample_size[t]),this.flags&b.TRUN_FLAGS_FLAGS&&e.writeUint32(this.sample_flags[t]),this.flags&b.TRUN_FLAGS_CTS_OFFSET&&(0===this.version?e.writeUint32(this.sample_composition_time_offset[t]):e.writeInt32(this.sample_composition_time_offset[t]))},b["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)},b["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)},b.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)},b.cttsBox.prototype.unpack=function(e){for(var t,r=0,i=0;i<this.sample_counts.length;i++)for(t=0;t<this.sample_counts[i];t++)e[r].pts=e[r].dts+this.sample_offsets[i],r++},b.sttsBox.prototype.unpack=function(e){for(var t,r=0,i=0;i<this.sample_counts.length;i++)for(t=0;t<this.sample_counts[i];t++)e[r].dts=0===r?0:e[r-1].dts+this.sample_deltas[i],r++},b.stcoBox.prototype.unpack=function(e){for(var t=0;t<this.chunk_offsets.length;t++)e[t].offset=this.chunk_offsets[t]},b.stscBox.prototype.unpack=function(e){for(var t,r,i=0,s=0,n=0;n<this.first_chunk.length;n++)for(t=0;t<(n+1<this.first_chunk.length?this.first_chunk[n+1]:1/0);t++)for(s++,r=0;r<this.samples_per_chunk[n];r++){if(!e[i])return;e[i].description_index=this.sample_description_index[n],e[i].chunk_index=s,i++}},b.stszBox.prototype.unpack=function(e){for(var t=0;t<this.sample_sizes.length;t++)e[t].size=this.sample_sizes[t]},b.DIFF_BOXES_PROP_NAMES=["boxes","entries","references","subsamples","items","item_infos","extents","associations","subsegments","ranges","seekLists","seekPoints","esd","levels"],b.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"],b.boxEqualFields=function(e,t){if(e&&!t)return!1;for(var r in e)if(!(-1<b.DIFF_BOXES_PROP_NAMES.indexOf(r)||e[r]instanceof b.Box||t[r]instanceof b.Box||void 0===e[r]||void 0===t[r]||"function"==typeof e[r]||"function"==typeof t[r]||e.subBoxNames&&-1<e.subBoxNames.indexOf(r.slice(0,4))||t.subBoxNames&&-1<t.subBoxNames.indexOf(r.slice(0,4))||"data"===r||"start"===r||"size"===r||"creation_time"===r||"modification_time"===r||-1<b.DIFF_PRIMITIVE_ARRAY_PROP_NAMES.indexOf(r)||e[r]===t[r]))return!1;return!0},b.boxEqual=function(e,t){if(!b.boxEqualFields(e,t))return!1;for(var r=0;r<b.DIFF_BOXES_PROP_NAMES.length;r++){var i=b.DIFF_BOXES_PROP_NAMES[r];if(e[i]&&t[i]&&!b.boxEqual(e[i],t[i]))return!1}return!0},s.prototype.parseSample=function(e){var t,r={resources:[]},i=new u(e.data.buffer);if(e.subsamples&&0!==e.subsamples.length){if(r.documentString=i.readString(e.subsamples[0].size),1<e.subsamples.length)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},n.prototype.parseSample=function(e){return new u(e.data.buffer).readString(e.data.length)},n.prototype.parseConfig=function(e){e=new u(e.buffer);return e.readUint32(),e.readCString()},t.XMLSubtitlein4Parser=s,t.Textin4Parser=n;B.prototype.setSegmentOptions=function(e,t,r){var i,s=this.getTrackById(e);s&&(this.fragmentedTracks.push(i={}),i.id=e,i.user=t,(i.trak=s).nextSample=0,i.segmentStream=null,i.nb_samples=1e3,i.rapAlignement=!0,r&&(r.nbSamples&&(i.nb_samples=r.nbSamples),r.rapAlignement&&(i.rapAlignement=r.rapAlignement)))},B.prototype.unsetSegmentOptions=function(e){for(var t=-1,r=0;r<this.fragmentedTracks.length;r++)this.fragmentedTracks[r].id==e&&(t=r);-1<t&&this.fragmentedTracks.splice(t,1)},B.prototype.setExtractionOptions=function(e,t,r){var i,s=this.getTrackById(e);s&&(this.extractedTracks.push(i={}),i.id=e,i.user=t,(i.trak=s).nextSample=0,i.nb_samples=1e3,i.samples=[],r&&r.nbSamples&&(i.nb_samples=r.nbSamples))},B.prototype.unsetExtractionOptions=function(e){for(var t=-1,r=0;r<this.extractedTracks.length;r++)this.extractedTracks[r].id==e&&(t=r);-1<t&&this.extractedTracks.splice(t,1)},B.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=b.parseOneBox(this.stream,!1)).code===b.ERR_NOT_ENOUGH_DATA){if(this.processIncompleteBox){if(this.processIncompleteBox(e))continue;return}return}var r="uuid"!==(t=e.box).type?t.type:t.uuid;switch(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]&&f.warn("ISOFile","Duplicate Box of type: "+r+", overriding previous occurrence"),this[r]=t}this.updateUsedBytes&&this.updateUsedBytes(t,e)}},B.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?(f.warn("ISOFile","Ignoring empty buffer (fileStart: "+e.fileStart+")"),this.stream.logBufferLevel(),!1):(f.info("ISOFile","Processing buffer (fileStart: "+e.fileStart+")"),e.usedBytes=0,this.stream.insertBuffer(e),this.stream.logBufferLevel(),!!this.stream.initialized()||(f.warn("ISOFile","Not ready to start parsing"),!1))},B.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||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&&(f.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),f.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize())),r},B.prototype.getInfo=function(){var e,t,r,i,s,n,a={},o=new Date("1904-01-01T00:00:00Z").getTime();if(this.moov)for(a.hasMoov=!0,a.duration=this.moov.mvhd.duration,a.timescale=this.moov.mvhd.timescale,a.isFragmented=null!=this.moov.mvex,a.isFragmented&&this.moov.mvex.mehd&&(a.fragment_duration=this.moov.mvex.mehd.fragment_duration),a.isProgressive=this.isProgressive,a.hasIOD=null!=this.moov.iods,a.brands=[],a.brands.push(this.ftyp.major_brand),a.brands=a.brands.concat(this.ftyp.compatible_brands),a.created=new Date(o+1e3*this.moov.mvhd.creation_time),a.modified=new Date(o+1e3*this.moov.mvhd.modification_time),a.tracks=[],a.audioTracks=[],a.videoTracks=[],a.subtitleTracks=[],a.metadataTracks=[],a.hintTracks=[],a.otherTracks=[],e=0;e<this.moov.traks.length;e++){if(n=(r=this.moov.traks[e]).mdia.minf.stbl.stsd.entries[0],a.tracks.push(i={}),i.id=r.tkhd.track_id,i.name=r.mdia.hdlr.name,i.references=[],r.tref)for(t=0;t<r.tref.boxes.length;t++)i.references.push(s={}),s.type=r.tref.boxes[t].type,s.track_ids=r.tref.boxes[t].track_ids;r.edts&&(i.edits=r.edts.elst.entries),i.created=new Date(o+1e3*r.tkhd.creation_time),i.modified=new Date(o+1e3*r.tkhd.modification_time),i.movie_duration=r.tkhd.duration,i.movie_timescale=a.timescale,i.layer=r.tkhd.layer,i.alternate_group=r.tkhd.alternate_group,i.volume=r.tkhd.volume,i.matrix=r.tkhd.matrix,i.track_width=r.tkhd.width/65536,i.track_height=r.tkhd.height/65536,i.timescale=r.mdia.mdhd.timescale,i.cts_shift=r.mdia.minf.stbl.cslg,i.duration=r.mdia.mdhd.duration,i.samples_duration=r.samples_duration,i.codec=n.getCodec(),i.kind=r.udta&&r.udta.kinds.length?r.udta.kinds[0]:{schemeURI:"",value:""},i.language=r.mdia.elng?r.mdia.elng.extended_language:r.mdia.mdhd.languageString,i.nb_samples=r.samples.length,i.size=r.samples_size,i.bitrate=8*i.size*i.timescale/i.samples_duration,n.isAudio()?(i.type="audio",a.audioTracks.push(i),i.audio={},i.audio.sample_rate=n.getSampleRate(),i.audio.channel_count=n.getChannelCount(),i.audio.sample_size=n.getSampleSize()):n.isVideo()?(i.type="video",a.videoTracks.push(i),i.video={},i.video.width=n.getWidth(),i.video.height=n.getHeight()):n.isSubtitle()?(i.type="subtitles",a.subtitleTracks.push(i)):n.isHint()?(i.type="metadata",a.hintTracks.push(i)):n.isMetadata()?(i.type="metadata",a.metadataTracks.push(i)):(i.type="metadata",a.otherTracks.push(i))}else a.hasMoov=!1;if(a.mime="",a.hasMoov&&a.tracks){for(a.videoTracks&&0<a.videoTracks.length?a.mime+='video/mp4; codecs="':a.audioTracks&&0<a.audioTracks.length?a.mime+='audio/mp4; codecs="':a.mime+='application/mp4; codecs="',e=0;e<a.tracks.length;e++)0!==e&&(a.mime+=","),a.mime+=a.tracks[e].codec;a.mime+='"; profiles="',a.mime+=this.ftyp.compatible_brands.join(),a.mime+='"'}return a},B.prototype.processSamples=function(e){var t;if(this.sampleProcessingStarted){if(this.isFragmentationInitialized&&null!==this.onSegment)for(t=0;t<this.fragmentedTracks.length;t++)for(var r=this.fragmentedTracks[t],i=r.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){f.debug("ISOFile","Creating media fragment on track #"+r.id+" for sample "+i.nextSample);var s=this.createFragment(r.id,i.nextSample,r.segmentStream);if(!s)break;if(r.segmentStream=s,i.nextSample++,(i.nextSample%r.nb_samples==0||e||i.nextSample>=i.samples.length)&&(f.info("ISOFile","Sending fragmented data on track #"+r.id+" for samples ["+Math.max(0,i.nextSample-r.nb_samples)+","+(i.nextSample-1)+"]"),f.info("ISOFile","Sample data size in memory: "+this.getAllocatedSampleDataSize()),this.onSegment&&this.onSegment(r.id,r.user,r.segmentStream.buffer,i.nextSample,e||i.nextSample>=i.samples.length),r.segmentStream=null,r!==this.fragmentedTracks[t]))break}if(null!==this.onSamples)for(t=0;t<this.extractedTracks.length;t++){var n=this.extractedTracks[t];for(i=n.trak;i.nextSample<i.samples.length&&this.sampleProcessingStarted;){f.debug("ISOFile","Exporting on track #"+n.id+" sample #"+i.nextSample);var a=this.getSample(i,i.nextSample);if(!a)break;if(i.nextSample++,n.samples.push(a),(i.nextSample%n.nb_samples==0||i.nextSample>=i.samples.length)&&(f.debug("ISOFile","Sending samples on track #"+n.id+" for sample "+i.nextSample),this.onSamples&&this.onSamples(n.id,n.user,n.samples),n.samples=[],n!==this.extractedTracks[t]))break}}}},B.prototype.getBox=function(e){e=this.getBoxes(e,!0);return e.length?e[0]:null},B.prototype.getBoxes=function(e,t){var r=[];return B._sweep.call(this,e,r,t),r},B._sweep=function(e,t,r){for(var i in this.type&&this.type==e&&t.push(this),this.boxes){if(t.length&&r)return;B._sweep.call(this.boxes[i],e,t,r)}},B.prototype.getTrackSamplesInfo=function(e){e=this.getTrackById(e);return e?e.samples:void 0},B.prototype.getTrackSample=function(e,t){e=this.getTrackById(e);return this.getSample(e,t)},B.prototype.releaseUsedSamples=function(e,t){var r=0,i=this.getTrackById(e);i.lastValidSample||(i.lastValidSample=0);for(var s=i.lastValidSample;s<t;s++)r+=this.releaseSample(i,s);f.info("ISOFile","Track #"+e+" released samples up to "+t+" (released size: "+r+", remaining: "+this.samplesDataSize+")"),i.lastValidSample=t},B.prototype.start=function(){this.sampleProcessingStarted=!0,this.processSamples(!1)},B.prototype.stop=function(){this.sampleProcessingStarted=!1},B.prototype.flush=function(){f.info("ISOFile","Flushing remaining samples"),this.updateSampleLists(),this.processSamples(!0),this.stream.cleanBuffers(),this.stream.logBufferLevel(!0)},B.prototype.seekTrack=function(e,t,r){var i,s,n,a,o=0,l=0;if(0===r.samples.length)return f.info("ISOFile","No sample in track, cannot seek! Using time "+f.getDurationString(0,1)+" and offset: 0"),{offset:0,time:0};for(i=0;i<r.samples.length;i++){if(s=r.samples[i],0===i)l=0,a=s.timescale;else if(s.cts>e*s.timescale){l=i-1;break}t&&s.is_sync&&(o=i)}for(t&&(l=o),e=r.samples[l].cts,r.nextSample=l;r.samples[l].alreadyRead===r.samples[l].size&&r.samples[l+1];)l++;return n=r.samples[l].offset+r.samples[l].alreadyRead,f.info("ISOFile","Seeking to "+(t?"RAP":"")+" sample #"+r.nextSample+" on track "+r.tkhd.track_id+", time "+f.getDurationString(e,a)+" and offset: "+n),{offset:n,time:e/a}},B.prototype.seek=function(e,t){var r,i,s=this.moov,n={offset:1/0,time:1/0};if(this.moov){for(i=0;i<s.traks.length;i++)r=s.traks[i],(r=this.seekTrack(e,t,r)).offset<n.offset&&(n.offset=r.offset),r.time<n.time&&(n.time=r.time);return f.info("ISOFile","Seeking at time "+f.getDurationString(n.time,1)+" needs a buffer with a fileStart position of "+n.offset),n.offset===1/0?n={offset:this.nextParsePosition,time:0}:n.offset=this.stream.getEndFilePositionAfter(n.offset),f.info("ISOFile","Adjusted seek position (after checking data already in buffer): "+n.offset),n}throw"Cannot seek: moov not received!"},B.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(!b.boxEqual(r,i))return!1;t++}return!0},(t.ISOFile=B).prototype.lastBoxStartPosition=0,B.prototype.parsingMdat=null,B.prototype.nextParsePosition=0,B.prototype.discardMdatData=!1,B.prototype.processIncompleteBox=function(e){var t;return"mdat"===e.type?(t=new b[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):(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,!1))},B.prototype.hasIncompleteMdat=function(){return null!==this.parsingMdat},B.prototype.processIncompleteMdat=function(){var e=this.parsingMdat;return this.stream.seek(e.start+e.size,!1,this.discardMdatData)?(f.debug("ISOFile","Found 'mdat' end in buffered data"),!(this.parsingMdat=null)):(this.nextParsePosition=this.stream.findEndContiguousBuf(),!1)},B.prototype.restoreParsePosition=function(){return this.stream.seek(this.lastBoxStartPosition,!0,this.discardMdatData)},B.prototype.saveParsePosition=function(){this.lastBoxStartPosition=this.stream.getPosition()},B.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))},B.prototype.add=b.Box.prototype.add,B.prototype.addBox=b.Box.prototype.addBox,B.prototype.init=function(e){var e=e||{},t=(this.add("ftyp").set("major_brand",e.brands&&e.brands[0]||"iso4").set("minor_version",0).set("compatible_brands",e.brands||["iso4"]),this.add("moov"));return t.add("mvhd").set("timescale",e.timescale||600).set("rate",e.rate||65536).set("creation_time",0).set("modification_time",0).set("duration",e.duration||0).set("volume",e.width?0:256).set("matrix",[65536,0,0,0,65536,0,0,0,1073741824]).set("next_track_id",1),t.add("mvex"),this},B.prototype.addTrack=function(e){this.moov||this.init(e);var t=e||{},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",this.moov.add("trak")),r=(this.moov.mvhd.next_track_id=t.id+1,e.add("tkhd").set("flags",b.TKHD_FLAG_ENABLED|b.TKHD_FLAG_IN_MOVIE|b.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),e.add("mdia")),i=(r.add("mdhd").set("creation_time",0).set("modification_time",0).set("timescale",t.timescale||1).set("duration",t.media_duration||0).set("language",t.language||"und"),r.add("hdlr").set("handler",t.hdlr||"vide").set("name",t.name||"Track created with MP4Box.js"),r.add("elng").set("extended_language",t.language||"fr-FR"),r.add("minf"));if(void 0!==b[t.type+"SampleEntry"]){var s,n,a,o=new b[t.type+"SampleEntry"],l=(o.data_reference_index=1,"");for(s in b.sampleEntryCodes)for(var d=b.sampleEntryCodes[s],h=0;h<d.length;h++)if(-1<d.indexOf(t.type)){l=s;break}switch(l){case"Visual":i.add("vmhd").set("graphicsmode",0).set("opcolor",[0,0,0]),o.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&&(n=new b.avcCBox,a=new u(t.avcDecoderConfigRecord),n.parse(a),o.addBox(n));break;case"Audio":i.add("smhd").set("balance",t.balance||0),o.set("channel_count",t.channel_count||2).set("samplesize",t.samplesize||16).set("samplerate",t.samplerate||65536);break;case"Hint":i.add("hmhd");break;case"Subtitle":i.add("sthd"),"stpp"===t.type&&o.set("namespace",t.namespace||"nonamespace").set("schema_location",t.schema_location||"").set("auxiliary_mime_types",t.auxiliary_mime_types||"");break;default:i.add("nmhd")}t.description&&o.addBox(t.description),t.description_boxes&&t.description_boxes.forEach(function(e){o.addBox(e)}),i.add("dinf").add("dref").addEntry((new b["url Box"]).set("flags",1));r=i.add("stbl");return r.add("stsd").addEntry(o),r.add("stts").set("sample_counts",[]).set("sample_deltas",[]),r.add("stsc").set("first_chunk",[]).set("samples_per_chunk",[]).set("sample_description_index",[]),r.add("stco").set("chunk_offsets",[]),r.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(e),t.id}},b.Box.prototype.computeSize=function(e){e=e||new l;e.endianness=l.BIG_ENDIAN,this.write(e)},B.prototype.addSample=function(e,t,r){var r=r||{},i={},e=this.getTrackById(e);if(null!==e)return i.number=e.samples.length,i.track_id=e.tkhd.track_id,i.timescale=e.mdia.mdhd.timescale,i.description_index=r.sample_description_index?r.sample_description_index-1:0,i.description=e.mdia.minf.stbl.stsd.entries[i.description_index],i.data=t,i.size=t.byteLength,i.alreadyRead=i.size,i.duration=r.duration||1,i.cts=r.cts||0,i.dts=r.dts||0,i.is_sync=r.is_sync||!1,i.is_leading=r.is_leading||0,i.depends_on=r.depends_on||0,i.is_depended_on=r.is_depended_on||0,i.has_redundancy=r.has_redundancy||0,i.degradation_priority=r.degradation_priority||0,i.offset=0,i.subsamples=r.subsamples,e.samples.push(i),e.samples_size+=i.size,e.samples_duration+=i.duration,e.first_dts||(e.first_dts=r.dts),this.processSamples(),e=this.createSingleSampleMoof(i),this.addBox(e),e.computeSize(),e.trafs[0].truns[0].data_offset=e.size+8,this.add("mdat").data=new Uint8Array(t),i},B.prototype.createSingleSampleMoof=function(e){var t=e.is_sync?1<<25:65536,r=new b.moofBox,i=(r.add("mfhd").set("sequence_number",this.nextMoofNumber),this.nextMoofNumber++,r.add("traf")),s=this.getTrackById(e.track_id);return i.add("tfhd").set("track_id",e.track_id).set("flags",b.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),i.add("tfdt").set("baseMediaDecodeTime",e.dts-(s.first_dts||0)),i.add("trun").set("flags",b.TRUN_FLAGS_DATA_OFFSET|b.TRUN_FLAGS_DURATION|b.TRUN_FLAGS_SIZE|b.TRUN_FLAGS_FLAGS|b.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},B.prototype.lastMoofIndex=0,B.prototype.samplesDataSize=0,B.prototype.resetTables=function(){var e,t;for(this.initial_duration=this.moov.mvhd.duration,e=this.moov.mvhd.duration=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=[],(r=t.mdia.minf.stbl.stts).sample_counts=[],r.sample_deltas=[],(r=t.mdia.minf.stbl.ctts)&&(r.sample_counts=[],r.sample_offsets=[]);var r=t.mdia.minf.stbl.stss,r=t.mdia.minf.stbl.boxes.indexOf(r);-1!=r&&(t.mdia.minf.stbl.boxes[r]=null)}},B.initSampleGroups=function(e,t,r,i,s){var n,a,o,l;function d(e,t,r){this.grouping_type=e,this.grouping_type_parameter=t,this.sbgp=r,this.last_sample_in_run=-1,this.entry_index=-1}for(t&&(t.sample_groups_info=[]),e.sample_groups_info||(e.sample_groups_info=[]),a=0;a<r.length;a++){for(l=r[a].grouping_type+"/"+r[a].grouping_type_parameter,o=new d(r[a].grouping_type,r[a].grouping_type_parameter,r[a]),t&&(t.sample_groups_info[l]=o),e.sample_groups_info[l]||(e.sample_groups_info[l]=o),n=0;n<i.length;n++)i[n].grouping_type===r[a].grouping_type&&(o.description=i[n],o.description.used=!0);if(s)for(n=0;n<s.length;n++)s[n].grouping_type===r[a].grouping_type&&(o.fragment_description=s[n],o.fragment_description.used=!0,o.is_fragment=!0)}if(t){if(s)for(a=0;a<s.length;a++)!s[a].used&&2<=s[a].version&&(l=s[a].grouping_type+"/0",(o=new d(s[a].grouping_type,0)).is_fragment=!0,t.sample_groups_info[l]||(t.sample_groups_info[l]=o))}else for(a=0;a<i.length;a++)!i[a].used&&2<=i[a].version&&(l=i[a].grouping_type+"/0",o=new d(i[a].grouping_type,0),e.sample_groups_info[l]||(e.sample_groups_info[l]=o))},B.setSampleGroupProperties=function(e,t,r,i){var s,n,a;for(s in t.sample_groups=[],i)t.sample_groups[s]={},t.sample_groups[s].grouping_type=i[s].grouping_type,t.sample_groups[s].grouping_type_parameter=i[s].grouping_type_parameter,r>=i[s].last_sample_in_run&&(i[s].last_sample_in_run<0&&(i[s].last_sample_in_run=0),i[s].entry_index++,i[s].entry_index<=i[s].sbgp.entries.length-1&&(i[s].last_sample_in_run+=i[s].sbgp.entries[i[s].entry_index].sample_count)),i[s].entry_index<=i[s].sbgp.entries.length-1?t.sample_groups[s].group_description_index=i[s].sbgp.entries[i[s].entry_index].group_description_index:t.sample_groups[s].group_description_index=-1,0!==t.sample_groups[s].group_description_index&&(a=i[s].fragment_description||i[s].description,0<t.sample_groups[s].group_description_index?(n=65535<t.sample_groups[s].group_description_index?(t.sample_groups[s].group_description_index>>16)-1:t.sample_groups[s].group_description_index-1,a&&0<=n&&(t.sample_groups[s].description=a.entries[n])):a&&2<=a.version&&0<a.default_group_description_index&&(t.sample_groups[s].description=a.entries[a.default_group_description_index-1]))},B.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))},B.prototype.buildSampleLists=function(){for(var e,t=0;t<this.moov.traks.length;t++)e=this.moov.traks[t],this.buildTrakSampleLists(e)},B.prototype.buildTrakSampleLists=function(e){var t,r,i,s,n,a,o,l,d,h,u,f,p,c,m,_,g,y,b,v,w,S,E,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,s=e.mdia.minf.stbl.stsz||e.mdia.minf.stbl.stz2,n=e.mdia.minf.stbl.stts,a=e.mdia.minf.stbl.ctts,o=e.mdia.minf.stbl.stss,l=e.mdia.minf.stbl.stsd,d=e.mdia.minf.stbl.subs,f=e.mdia.minf.stbl.stdp,h=e.mdia.minf.stbl.sbgps,u=e.mdia.minf.stbl.sgpds,w=v=b=y=-1,U=E=S=0,B.initSampleGroups(e,null,h,u),void 0!==s){for(t=0;t<s.sample_sizes.length;t++){var x={};x.number=t,x.track_id=e.tkhd.track_id,x.timescale=e.mdia.mdhd.timescale,x.alreadyRead=0,(e.samples[t]=x).size=s.sample_sizes[t],e.samples_size+=x.size,0===t?(p=0,x.chunk_index=c=1,x.chunk_run_index=p,g=i.samples_per_chunk[p],_=0,m=p+1<i.first_chunk.length?i.first_chunk[p+1]-1:1/0):t<g?(x.chunk_index=c,x.chunk_run_index=p):(c++,_=0,(x.chunk_index=c)<=m||(m=++p+1<i.first_chunk.length?i.first_chunk[p+1]-1:1/0),x.chunk_run_index=p,g+=i.samples_per_chunk[p]),x.description_index=i.sample_description_index[x.chunk_run_index]-1,x.description=l.entries[x.description_index],x.offset=r.chunk_offsets[x.chunk_index-1]+_,_+=x.size,y<t&&(b++,y<0&&(y=0),y+=n.sample_counts[b]),0<t?(e.samples[t-1].duration=n.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,a?(v<=t&&(w++,v<0&&(v=0),v+=a.sample_counts[w]),x.cts=e.samples[t].dts+a.sample_offsets[w]):x.cts=x.dts,o?(t==o.sample_numbers[S]-1?(x.is_sync=!0,S++):(x.is_sync=!1,x.degradation_priority=0),d&&d.entries[E].sample_delta+U==t+1&&(x.subsamples=d.entries[E].subsamples,U+=d.entries[E].sample_delta,E++)):x.is_sync=!0,B.process_sdtp(e.mdia.minf.stbl.sdtp,x,x.number),x.degradation_priority=f?f.priority[t]:0,d&&d.entries[E].sample_delta+U==t&&(x.subsamples=d.entries[E].subsamples,U+=d.entries[E].sample_delta),(0<h.length||0<u.length)&&B.setSampleGroupProperties(e,x,t,e.sample_groups_info)}0<t&&(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)}},B.prototype.updateSampleLists=function(){var e,t,r,i,s,n,a,o,l,d,h,u;if(void 0!==this.moov)for(;this.lastMoofIndex<this.moofs.length;)if(a=this.moofs[this.lastMoofIndex],this.lastMoofIndex++,"moof"==a.type)for(o=a,e=0;e<o.trafs.length;e++){for(l=o.trafs[e],d=this.getTrackById(l.tfhd.track_id),h=this.getTrexById(l.tfhd.track_id),t=l.tfhd.flags&b.TFHD_FLAG_SAMPLE_DESC?l.tfhd.default_sample_description_index:h?h.default_sample_description_index:1,r=l.tfhd.flags&b.TFHD_FLAG_SAMPLE_DUR?l.tfhd.default_sample_duration:h?h.default_sample_duration:0,i=l.tfhd.flags&b.TFHD_FLAG_SAMPLE_SIZE?l.tfhd.default_sample_size:h?h.default_sample_size:0,s=l.tfhd.flags&b.TFHD_FLAG_SAMPLE_FLAGS?l.tfhd.default_sample_flags:h?h.default_sample_flags:0,(l.sample_number=0)<l.sbgps.length&&B.initSampleGroups(d,l,l.sbgps,d.mdia.minf.stbl.sgpds,l.sgpds),y=0;y<l.truns.length;y++)for(var f=l.truns[y],p=0;p<f.sample_count;p++){(u={}).moof_number=this.lastMoofIndex,u.number_in_traf=l.sample_number,l.sample_number++,u.number=d.samples.length,l.first_sample_index=d.samples.length,d.samples.push(u),u.track_id=d.tkhd.track_id,u.timescale=d.mdia.mdhd.timescale,u.description_index=t-1,u.description=d.mdia.minf.stbl.stsd.entries[u.description_index],u.size=i,f.flags&b.TRUN_FLAGS_SIZE&&(u.size=f.sample_size[p]),d.samples_size+=u.size,u.duration=r,f.flags&b.TRUN_FLAGS_DURATION&&(u.duration=f.sample_duration[p]),d.samples_duration+=u.duration,d.first_traf_merged||0<p?u.dts=d.samples[d.samples.length-2].dts+d.samples[d.samples.length-2].duration:(l.tfdt?u.dts=l.tfdt.baseMediaDecodeTime:u.dts=0,d.first_traf_merged=!0),u.cts=u.dts,f.flags&b.TRUN_FLAGS_CTS_OFFSET&&(u.cts=u.dts+f.sample_composition_time_offset[p]),c=s,f.flags&b.TRUN_FLAGS_FLAGS?c=f.sample_flags[p]:0===p&&f.flags&b.TRUN_FLAGS_FIRST_FLAG&&(c=f.first_sample_flags),u.is_sync=!(c>>16&1),u.is_leading=c>>26&3,u.depends_on=c>>24&3,u.is_depended_on=c>>22&3,u.has_redundancy=c>>20&3,u.degradation_priority=65535&c;var c=!!(l.tfhd.flags&b.TFHD_FLAG_BASE_DATA_OFFSET),m=!!(l.tfhd.flags&b.TFHD_FLAG_DEFAULT_BASE_IS_MOOF),_=!!(f.flags&b.TRUN_FLAGS_DATA_OFFSET),c=c?l.tfhd.base_data_offset:m||0===y?o.start:n;u.offset=0===y&&0===p?_?c+f.data_offset:c:n,n=u.offset+u.size,(0<l.sbgps.length||0<l.sgpds.length||0<d.mdia.minf.stbl.sbgps.length||0<d.mdia.minf.stbl.sgpds.length)&&B.setSampleGroupProperties(d,u,u.number_in_traf,l.sample_groups_info)}if(l.subs){d.has_fragment_subsamples=!0;for(var g=l.first_sample_index,y=0;y<l.subs.entries.length;y++)g+=l.subs.entries[y].sample_delta,(u=d.samples[g-1]).subsamples=l.subs.entries[y].subsamples}}},B.prototype.getSample=function(e,t){var r=e.samples[t];if(!this.moov)return null;if(r.data){if(r.alreadyRead==r.size)return r}else r.data=new Uint8Array(r.size),r.alreadyRead=0,this.samplesDataSize+=r.size,f.debug("ISOFile","Allocating sample #"+t+" on track #"+e.tkhd.track_id+" of size "+r.size+" (total: "+this.samplesDataSize+")");for(;;){var i=this.stream.findPosition(!0,r.offset+r.alreadyRead,!1);if(!(-1<i))return null;var s=(i=this.stream.buffers[i]).byteLength-(r.offset+r.alreadyRead-i.fileStart);if(r.size-r.alreadyRead<=s)return f.debug("ISOFile","Getting sample #"+t+" data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+(r.size-r.alreadyRead)+" full size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,r.size-r.alreadyRead),i.usedBytes+=r.size-r.alreadyRead,this.stream.logBufferLevel(),r.alreadyRead=r.size,r;if(0==s)return null;f.debug("ISOFile","Getting sample #"+t+" partial data (alreadyRead: "+r.alreadyRead+" offset: "+(r.offset+r.alreadyRead-i.fileStart)+" read size: "+s+" full size: "+r.size+")"),l.memcpy(r.data.buffer,r.alreadyRead,i,r.offset+r.alreadyRead-i.fileStart,s),r.alreadyRead+=s,i.usedBytes+=s,this.stream.logBufferLevel()}},B.prototype.releaseSample=function(e,t){e=e.samples[t];return e.data?(this.samplesDataSize-=e.size,e.data=null,e.alreadyRead=0,e.size):0},B.prototype.getAllocatedSampleDataSize=function(){return this.samplesDataSize},B.prototype.getCodecs=function(){for(var e="",t=0;t<this.moov.traks.length;t++)0<t&&(e+=","),e+=this.moov.traks[t].mdia.minf.stbl.stsd.entries[0].getCodec();return e},B.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},B.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},B.prototype.items=[],B.prototype.itemsDataSize=0,B.prototype.flattenItemInfo=function(){var e=this.items,t=this.meta;if(null!=t&&void 0!==t.hdlr&&void 0!==t.iinf){for(l=0;l<t.iinf.item_infos.length;l++)(i={}).id=t.iinf.item_infos[l].item_ID,(e[i.id]=i).ref_to=[],i.name=t.iinf.item_infos[l].item_name,0<t.iinf.item_infos[l].protection_index&&(i.protection=t.ipro.protections[t.iinf.item_infos[l].protection_index-1]),t.iinf.item_infos[l].item_type?i.type=t.iinf.item_infos[l].item_type:i.type="mime",i.content_type=t.iinf.item_infos[l].content_type,i.content_encoding=t.iinf.item_infos[l].content_encoding;if(t.iloc)for(l=0;l<t.iloc.items.length;l++){var r=t.iloc.items[l],i=e[r.item_ID];switch(0!==r.data_reference_index&&(f.warn("Item storage with reference to other files: not supported"),i.source=t.dinf.boxes[r.data_reference_index-1]),r.construction_method){case 0:break;case 1:case 2:f.warn("Item storage with construction_method : not supported")}for(i.extents=[],n=i.size=0;n<r.extents.length;n++)i.extents[n]={},i.extents[n].offset=r.extents[n].extent_offset+r.base_offset,i.extents[n].length=r.extents[n].extent_length,i.extents[n].alreadyRead=0,i.size+=i.extents[n].length}if(t.pitm&&(e[t.pitm.item_id].primary=!0),t.iref)for(l=0;l<t.iref.references.length;l++)for(var s=t.iref.references[l],n=0;n<s.references.length;n++)e[s.from_item_ID].ref_to.push({type:s.type,id:s.references[n]});if(t.iprp)for(var a=0;a<t.iprp.ipmas.length;a++)for(var o=t.iprp.ipmas[a],l=0;l<o.associations.length;l++){var d=o.associations[l];for(void 0===(i=e[d.id]).properties&&(i.properties={},i.properties.boxes=[]),n=0;n<d.props.length;n++){var h=d.props[n];0<h.property_index&&h.property_index-1<t.iprp.ipco.boxes.length&&(h=t.iprp.ipco.boxes[h.property_index-1],i.properties[h.type]=h,i.properties.boxes.push(h))}}}},B.prototype.getItem=function(e){var t;if(!this.meta)return null;if(!(t=this.items[e]).data&&t.size)t.data=new Uint8Array(t.size),t.alreadyRead=0,this.itemsDataSize+=t.size,f.debug("ISOFile","Allocating item #"+e+" of size "+t.size+" (total: "+this.itemsDataSize+")");else if(t.alreadyRead===t.size)return t;for(var r=0;r<t.extents.length;r++){var i=t.extents[r];if(i.alreadyRead!==i.length){var s=this.stream.findPosition(!0,i.offset+i.alreadyRead,!1);if(!(-1<s))return null;var n=(s=this.stream.buffers[s]).byteLength-(i.offset+i.alreadyRead-s.fileStart);if(!(i.length-i.alreadyRead<=n))return f.debug("ISOFile","Getting item #"+e+" extent #"+r+" partial data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-s.fileStart)+" read size: "+n+" full extent size: "+i.length+" full item size: "+t.size+")"),l.memcpy(t.data.buffer,t.alreadyRead,s,i.offset+i.alreadyRead-s.fileStart,n),i.alreadyRead+=n,t.alreadyRead+=n,s.usedBytes+=n,this.stream.logBufferLevel(),null;f.debug("ISOFile","Getting item #"+e+" extent #"+r+" data (alreadyRead: "+i.alreadyRead+" offset: "+(i.offset+i.alreadyRead-s.fileStart)+" read size: "+(i.length-i.alreadyRead)+" full extent size: "+i.length+" full item size: "+t.size+")"),l.memcpy(t.data.buffer,t.alreadyRead,s,i.offset+i.alreadyRead-s.fileStart,i.length-i.alreadyRead),s.usedBytes+=i.length-i.alreadyRead,this.stream.logBufferLevel(),t.alreadyRead+=i.length-i.alreadyRead,i.alreadyRead=i.length}}return t.alreadyRead===t.size?t:null},B.prototype.releaseItem=function(e){var t=this.items[e];if(t.data){this.itemsDataSize-=t.size,t.data=null;for(var r=t.alreadyRead=0;r<t.extents.length;r++)t.extents[r].alreadyRead=0;return t.size}return 0},B.prototype.processItems=function(e){for(var t in this.items){t=this.items[t];this.getItem(t.id),e&&!t.sent&&(e(t),t.sent=!0,t.data=null)}},B.prototype.hasItem=function(e){for(var t in this.items){t=this.items[t];if(t.name===e)return t.id}return-1},B.prototype.getMetaHandler=function(){return this.meta?this.meta.hdlr.handler:null},B.prototype.getPrimaryItem=function(){return this.meta&&this.meta.pitm?this.getItem(this.meta.pitm.item_id):null},B.prototype.itemToFragmentedTrackFile=function(e){var e=e||{};if(null==(e=e.itemId?this.getItem(e.itemId):this.getPrimaryItem()))return null;var t=new B,r=(t.discardMdatData=!1,{type:e.type,description_boxes:e.properties.boxes}),r=(e.properties.ispe&&(r.width=e.properties.ispe.image_width,r.height=e.properties.ispe.image_height),t.addTrack(r));return r?(t.addSample(r,e.data),t):null},B.prototype.write=function(e){for(var t=0;t<this.boxes.length;t++)this.boxes[t].write(e)},B.prototype.createFragment=function(e,t,r){var e=this.getTrackById(e),i=this.getSample(e,t);if(null==i)return i=e.samples[t],this.nextSeekPosition?this.nextSeekPosition=Math.min(i.offset+i.alreadyRead,this.nextSeekPosition):this.nextSeekPosition=e.samples[t].offset+i.alreadyRead,null;e=r||new l,e.endianness=l.BIG_ENDIAN,t=this.createSingleSampleMoof(i),t.write(e),t.trafs[0].truns[0].data_offset=t.size+8,f.debug("MP4Box","Adjusting data_offset with new value "+t.trafs[0].truns[0].data_offset),e.adjustUint32(t.trafs[0].truns[0].data_offset_position,t.trafs[0].truns[0].data_offset),r=new b.mdatBox;return r.data=i.data,r.write(e),e},B.writeInitializationSegment=function(e,t,r,i){f.debug("ISOFile","Generating initialization segment");var s,n=new l,a=(n.endianness=l.BIG_ENDIAN,e.write(n),t.add("mvex"));for(r&&a.add("mehd").set("fragment_duration",r),s=0;s<t.traks.length;s++)a.add("trex").set("track_id",t.traks[s].tkhd.track_id).set("default_sample_description_index",1).set("default_sample_duration",i).set("default_sample_size",0).set("default_sample_flags",65536);return t.write(n),n.buffer},B.prototype.save=function(e){var t=new l;t.endianness=l.BIG_ENDIAN,this.write(t),t.save(e)},B.prototype.getBuffer=function(){var e=new l;return e.endianness=l.BIG_ENDIAN,this.write(e),e.buffer},B.prototype.initializeSegmentation=function(){var e,t,r,i;for(null===this.onSegment&&f.warn("MP4Box","No segmentation callback set!"),this.isFragmentationInitialized||(this.isFragmentationInitialized=!0,this.nextMoofNumber=0,this.resetTables()),t=[],e=0;e<this.fragmentedTracks.length;e++){var s=new b.moovBox;s.mvhd=this.moov.mvhd,s.boxes.push(s.mvhd),r=this.getTrackById(this.fragmentedTracks[e].id),s.boxes.push(r),s.traks.push(r),(i={}).id=r.tkhd.track_id,i.user=this.fragmentedTracks[e].user,i.buffer=B.writeInitializationSegment(this.ftyp,s,this.moov.mvex&&this.moov.mvex.mehd?this.moov.mvex.mehd.fragment_duration:void 0,0<this.moov.traks[e].samples.length?this.moov.traks[e].samples[0].duration:0),t.push(i)}return t},b.Box.prototype.printHeader=function(e){this.size+=8,this.size>d&&(this.size+=8),"uuid"===this.type&&(this.size+=16),e.log(e.indent+"size:"+this.size),e.log(e.indent+"type:"+this.type)},b.FullBox.prototype.printHeader=function(e){this.size+=4,b.Box.prototype.printHeader.call(this,e),e.log(e.indent+"version:"+this.version),e.log(e.indent+"flags:"+this.flags)},b.Box.prototype.print=function(e){this.printHeader(e)},b.ContainerBox.prototype.print=function(e){this.printHeader(e);for(var t,r=0;r<this.boxes.length;r++)this.boxes[r]&&(t=e.indent,e.indent+=" ",this.boxes[r].print(e),e.indent=t)},B.prototype.print=function(e){e.indent="";for(var t=0;t<this.boxes.length;t++)this.boxes[t]&&this.boxes[t].print(e)},b.mvhdBox.prototype.print=function(e){b.FullBox.prototype.printHeader.call(this,e),e.log(e.indent+"creation_time: "+this.creation_time),e.log(e.indent+"modification_time: "+this.modification_time),e.log(e.indent+"timescale: "+this.timescale),e.log(e.indent+"duration: 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t;return null}(e,t);if(r){const t=rt(e.slice(r+16,r+16+8));return[t,rt(e.slice(r+24,r+24+8)),e.slice(r+32,r+32+t).map(e=>~e)]}return null}(t,this.t);if(!r)return e;var 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],it(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 U=16,nt=[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],at=[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 ot(r){const i=[];for(let e=0,t=r.length;e<t;e+=2)i.push(parseInt(r.substr(e,2),16));return i}function h(e,t){t&=31;return e<<t|e>>>32-t}function x(e){return(255&nt[e>>>24&255])<<24|(255&nt[e>>>16&255])<<16|(255&nt[e>>>8&255])<<8|255&nt[255&e]}function lt(e){return e^h(e,2)^h(e,10)^h(e,18)^h(e,24)}function dt(e){return e^h(e,13)^h(e,23)}function ht(t,r,i,e){let{padding:s="pkcs#7",mode:n,iv:a=[],output:o="string"}=3<arguments.length&&void 0!==e?e:{};if("cbc"===n&&16!==(a="string"==typeof a?ot(a):a).length)throw new Error("iv is invalid");if(16!==(r="string"==typeof r?ot(r):r).length)throw new Error("key is invalid");if(t="string"==typeof t?(0!==i?function(r){const i=[];for(let e=0,t=r.length;e<t;e++){var s=r.codePointAt(e);if(s<=127)i.push(s);else if(s<=2047)i.push(192|s>>>6),i.push(128|63&s);else if(s<=55295||57344<=s&&s<=65535)i.push(224|s>>>12),i.push(128|s>>>6&63),i.push(128|63&s);else{if(!(65536<=s&&s<=1114111))throw i.push(s),new Error("input is not 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e=0;e<4;e++)S[0]=255&m[4*e],S[1]=255&m[4*e+1],S[2]=255&m[4*e+2],S[3]=255&m[4*e+3],w[e]=S[0]<<24|S[1]<<16|S[2]<<8|S[3];for(let e,t=0;t<32;t+=4)e=w[1]^w[2]^w[3]^g[t+0],w[0]^=lt(x(e)),e=w[2]^w[3]^w[0]^g[t+1],w[1]^=lt(x(e)),e=w[3]^w[0]^w[1]^g[t+2],w[2]^=lt(x(e)),e=w[0]^w[1]^w[2]^g[t+3],w[3]^=lt(x(e));for(let e=0;e<16;e+=4)_[e]=w[3-e/4]>>>24&255,_[e+1]=w[3-e/4]>>>16&255,_[e+2]=w[3-e/4]>>>8&255,_[e+3]=255&w[3-e/4]}for(let e=0;e<U;e++)"cbc"===n&&0===i&&(s[e]^=f[e]),u[c+e]=s[e];"cbc"===n&&(f=0!==i?s:r),p-=U,c+=U}if(("pkcs#5"===s||"pkcs#7"===s)&&0===i){const t=u.length,r=u[t-1];for(let e=1;e<=r;e++)if(u[t-e]!==r)throw new Error("padding is invalid");u.splice(t-r,r)}{if("array"===o)return u;if(0!==i)return u.map(e=>1===(e=e.toString(16)).length?"0"+e:e).join("");{var y=u;const E=[];for(let e=0,t=y.length;e<t;e++)240<=y[e]&&y[e]<=247?(E.push(String.fromCodePoint(((7&y[e])<<18)+((63&y[e+1])<<12)+((63&y[e+2])<<6)+(63&y[e+3]))),e+=3):224<=y[e]&&y[e]<=239?(E.push(String.fromCodePoint(((15&y[e])<<12)+((63&y[e+1])<<6)+(63&y[e+2]))),e+=2):192<=y[e]&&y[e]<=223?(E.push(String.fromCodePoint(((31&y[e])<<6)+(63&y[e+1]))),e++):E.push(String.fromCodePoint(y[e]));return E.join("")}}}const f={init:0,findFirstStartCode:1,findSecondStartCode:2};class ut extends class{on(e,t,r){const i=this.e||(this.e={});return(i[e]||(i[e]=[])).push({fn:t,ctx:r}),this}once(i,s,n){const a=this;function o(){a.off(i,o);for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];s.apply(n,t)}return o._=s,this.on(i,o,n)}emit(e){const t=((this.e||(this.e={}))[e]||[]).slice();for(var r=arguments.length,i=new Array(1<r?r-1:0),s=1;s<r;s++)i[s-1]=arguments[s];for(let e=0;e<t.length;e+=1)t[e].fn.apply(t[e].ctx,i);return this}off(e,r){const t=this.e||(this.e={});if(!e)return Object.keys(t).forEach(e=>{delete t[e]}),void delete this.e;const i=t[e],s=[];if(i&&r)for(let e=0,t=i.length;e<t;e+=1)i[e].fn!==r&&i[e].fn._!==r&&s.push(i[e]);return s.length?t[e]=s:delete t[e],this}}{constructor(e){super(),this.player=e,this.isDestroyed=!1,this.reset()}destroy(){this.isDestroyed=!1,this.off(),this.reset()}reset(){this.stats=f.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==f.Init){let e=!1;for(;2<=this.tempBuffer.length-this.parsedOffset&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(!(!1&this.tempBuffer[this.parsedOffset+1])){this.versionLayer=this.tempBuffer[this.parsedOffset+1],this.state=f.findFirstStartCode,this.fisrtStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}if(this.state==f.findFirstStartCode){let e=!1;for(;2<=this.tempBuffer.length-this.parsedOffset&&!this.isDestroyed;)if(255==this.tempBuffer[this.parsedOffset]){if(this.tempBuffer[this.parsedOffset+1]==this.versionLayer){this.state=f.findSecondStartCode,this.secondStartCodeOffset=this.parsedOffset,this.parsedOffset+=2,e=!0;break}this.parsedOffset++}else this.parsedOffset++;if(e)continue;break}var i;this.state==f.findSecondStartCode&&(i=this.tempBuffer.slice(this.fisrtStartCodeOffset,this.secondStartCodeOffset),this.emit("data",i,t),this.tempBuffer=this.tempBuffer.slice(this.secondStartCodeOffset),this.fisrtStartCodeOffset=0,this.parsedOffset=2,this.state=f.findFirstStartCode)}}}Date.now||(Date.now=function(){return(new Date).getTime()}),g.postRun=function(){!function(l,z){function n(){if(t)try{t.abort(),t=null}catch(e){I.debug.log("worker","abort catch",e)}}let a=1<arguments.length&&void 0!==z&&z,o=[],d=[],s={},t=new AbortController,r=null,h=null,e=null,u=null,f=null,p=null,c=!1,m=!1,_=!!j(a),i=!1,g=null,y=null,b=null,v=[],w=null,S=null,E=0,U=0,x=null,B=null,A=0,R=0,k=!1,M=!1,N=!1,T=!1,O=null,G=()=>{var e=function(){{var r=ye;let t="";if("object"==typeof r)try{t=JSON.stringify(r),t=JSON.parse(t)}catch(e){t=r}else t=r;return 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t,r,i=0,s=e.byteLength,n=0,a=[];for(;i<s;)switch(t=e[i++],n){case 0:0===t&&(n=1);break;case 1:n=0===t?2:0;break;case 2:case 3:n=0===t?3:(1===t&&i<s&&(r&&a.push(e.subarray(r,i-n-1)),r=i),0)}return r&&a.push(e.subarray(r,s)),a},extractNALu$2(t){let n=null;if(t&&!(t.byteLength<1)){C.lastBuf?((n=new Uint8Array(t.byteLength+C.lastBuf.length)).set(C.lastBuf),n.set(new Uint8Array(t),C.lastBuf.length)):n=new Uint8Array(t);let r=0,i=-1,s=-2;const a=new Array;for(let t=0;t<n.length;t+=2){const e=n[t],o=n[t+1];0==i&&0==e&&0==o?a.push(t-1):1==o&&0==e&&0==i&&0==s&&a.push(t-2),s=e,i=o}if(1<a.length)for(let t=0;t<a.length-1;++t){const e=n.subarray(a[t],a[t+1]+1);C.handleNALu(e),r=a[t+1]}else r=a[0];if(0!=r&&r<n.length)C.lastBuf=n.subarray(r);else{C.lastBuf||(C.lastBuf=n);const e=new Uint8Array(C.lastBuf.length+t.byteLength);e.set(C.lastBuf),e.set(new Uint8Array(t),C.lastBuf.length),C.lastBuf=e}}},handleNALu(e){e.byteLength<=4?I.debug.warn("worker",`handleNALu nalu byteLength is ${e.byteLength} <= 4`):(e=e.slice(4),C.handleVideoNalu(e))},handleVideoNalu(e){if(C.streamType||(C.streamType=function(e){let t=null,r=31&e[0];return(t=r!==ee.sps&&r!==ee.pps?t:J.h264)||((r=(126&e[0])>>1)!==te.vps&&r!==te.sps&&r!==te.pps||(t=J.h265)),t}(e)),C.streamType===J.h264){const t=C.handleAddNaluStartCode(e),r=C.extractNALu(t);if(0===r.length)I.debug.warn("worker","handleVideoNalu","h264 naluList.length === 0");else{const i=[];if(r.forEach(e=>{var t=se(e);t===ee.pps||t===ee.sps?C.handleVideoH264Nalu(e):Ie(t)&&i.push(e)}),1===i.length)C.handleVideoH264Nalu(i[0]);else if(function(t){if(0!==t.length){var r=se(t[0]);for(let e=1;e<t.length;e++)if(r!==se(t[e]))return;return 1}}(i)){const e=se(i[0]),s=Pe(e);C.handleVideoH264NaluList(i,s,e)}else i.forEach(e=>{C.handleVideoH264Nalu(e)})}}else if(C.streamType===J.h265){const n=C.handleAddNaluStartCode(e),a=C.extractNALu(n);if(0===a.length)I.debug.warn("worker","handleVideoNalu","h265 naluList.length === 0");else{const o=[];if(a.forEach(e=>{var t=ae(e);t===te.pps||t===te.sps||t===te.vps?C.handleVideoH265Nalu(e):Oe(t)&&o.push(e)}),1===o.length)C.handleVideoH265Nalu(o[0]);else if(function(t){if(0!==t.length){var r=ae(t[0]);for(let e=1;e<t.length;e++)if(r!==ae(t[e]))return;return 1}}(o)){const e=ae(o[0]),l=Ge(e);C.handleVideoH265NaluList(o,l,e)}else o.forEach(e=>{this.handleVideoH265Nalu(e)})}}},extractH264PPS(e){e=C.handleAddNaluStartCode(e);C.extractNALu(e).forEach(e=>{De(se(e))?C.extractH264SEI(e):C.handleVideoH264Nalu(e)})},extractH265PPS(e){e=C.handleAddNaluStartCode(e);C.extractNALu(e).forEach(e=>{ae(e)===te.sei?C.extractH265SEI(e):C.handleVideoH265Nalu(e)})},extractH264SEI(e){e=C.handleAddNaluStartCode(e);C.extractNALu(e).forEach(e=>{C.handleVideoH264Nalu(e)})},extractH265SEI(e){e=C.handleAddNaluStartCode(e);C.extractNALu(e).forEach(e=>{C.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=se(e);switch(t){case ee.sps:C.sps=e;break;case ee.pps:C.pps=e}if(C.isSendSeqHeader){if(C.sps&&C.pps){const e=Ce({sps:C.sps,pps:C.pps}),t=C.getNaluDts();I.decode(e,{type:2,ts:t,isIFrame:!0,cts:0}),C.sps=null,C.pps=null}var r,i,s;Ie(t)?(r=Pe(t),i=C.getNaluDts(),s=function(e,t){let r=[];r[0]=t?23:39,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r),C.doDecode(s,{type:2,ts:i,isIFrame:r,cts:0})):I.debug.warn("work","handleVideoH264Nalu Avc Seq Head is "+t)}else if(C.sps&&C.pps){C.isSendSeqHeader=!0;const e=Ce({sps:C.sps,pps:C.pps});I.decode(e,{type:2,ts:0,isIFrame:!0,cts:0}),C.sps=null,C.pps=null}},handleVideoH264NaluList(e,t,r){var i,s;C.isSendSeqHeader?(i=C.getNaluDts(),s=Fe(e.reduce((e,t)=>{const r=ne(e),i=ne(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s}),t),C.doDecode(s,{type:2,ts:i,isIFrame:t,cts:0}),I.debug.log("worker",`handleVideoH264NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is `+i)):I.debug.warn("worker","handleVideoH264NaluList isSendSeqHeader is false")},handleVideoH265Nalu(e){const t=ae(e);switch(t){case te.vps:C.vps=e;break;case te.sps:C.sps=e;break;case te.pps:C.pps=e}if(C.isSendSeqHeader){if(C.vps&&C.sps&&C.pps){const e=Me({vps:C.vps,sps:C.sps,pps:C.pps}),t=C.getNaluDts();I.decode(e,{type:2,ts:t,isIFrame:!0,cts:0}),C.vps=null,C.sps=null,C.pps=null}var r,i,s;Oe(t)?(r=Ge(t),i=C.getNaluDts(),s=function(e,t){let r=[];r[0]=t?28:44,r[1]=1,r[2]=0,r[3]=0,r[4]=0,r[5]=e.byteLength>>24&255,r[6]=e.byteLength>>16&255,r[7]=e.byteLength>>8&255,r[8]=255&e.byteLength;const i=new Uint8Array(r.length+e.byteLength);return i.set(r,0),i.set(e,r.length),i}(e,r),C.doDecode(s,{type:2,ts:i,isIFrame:r,cts:0})):I.debug.warn("work","handleVideoH265Nalu HevcSeqHead is "+t)}else if(C.vps&&C.sps&&C.pps){C.isSendSeqHeader=!0;const e=Me({vps:C.vps,sps:C.sps,pps:C.pps});I.decode(e,{type:2,ts:0,isIFrame:!0,cts:0}),C.vps=null,C.sps=null,C.pps=null}},handleVideoH265NaluList(e,t,r){var i,s;C.isSendSeqHeader?(i=C.getNaluDts(),s=Ne(e.reduce((e,t)=>{const r=ne(e),i=ne(t),s=new Uint8Array(r.byteLength+i.byteLength);return s.set(r,0),s.set(i,r.byteLength),s}),t),C.doDecode(s,{type:2,ts:i,isIFrame:t,cts:0}),I.debug.log("worker",`handleVideoH265NaluList list size is ${e.length} package length is ${s.byteLength} isIFrame is ${t},nalu type is ${r}, dts is `+i)):I.debug.warn("worker","handleVideoH265NaluList isSendSeqHeader is false")},doDecode(e,t){I.calcNetworkDelay(t.ts),t.isIFrame&&I.calcIframeIntervalTimestamp(t.ts),I._opt.isEmitSEI&&I.findSei(e,t.ts),postMessage({cmd:q,type:K,value:e.byteLength}),postMessage({cmd:q,type:X,value:t.ts}),I.decode(e,t)}}),F={LOG_NAME:"worker fmp4Demuxer",mp4Box:oe.createFile(),offset:0,videoTrackId:null,audioTrackId:null,isHevc:!1,listenMp4Box(){F.mp4Box.onReady=F.onReady,F.mp4Box.onError=F.onError,F.mp4Box.onSamples=F.onSamples},initTransportDescarmber(){F.transportDescarmber=new st},_getSeqHeader(t){const r=F.mp4Box.getTrackById(t.id);for(const t of r.mdia.minf.stbl.stsd.entries)if(t.avcC||t.hvcC){const r=new oe.DataStream(void 0,0,oe.DataStream.BIG_ENDIAN);let e=[];e=t.avcC?(t.avcC.write(r),[23,0,0,0,0]):(F.isHevc=!0,t.hvcC.write(r),[28,0,0,0,0]);const i=new Uint8Array(r.buffer,8),s=new Uint8Array(e.length+i.length);return s.set(e,0),s.set(i,e.length),s}return null},onReady(e){I.debug.log(F.LOG_NAME,"onReady()",e);const t=e.videoTracks[0],r=e.audioTracks[0];if(t){F.videoTrackId=t.id;const e=F._getSeqHeader(t);e&&(I.debug.log(F.LOG_NAME,"seqHeader"),I.decodeVideo(e,0,!0,0)),F.mp4Box.setExtractionOptions(t.id)}if(r){F.audioTrackId=r.id;const e=r.audio||{},t=ue.indexOf(e.sample_rate),s=r.codec.replace("mp4a.40.","");F.mp4Box.setExtractionOptions(r.id);var i=function(e){var{profile:e,sampleRate:t,channel:r}=e;return new Uint8Array([175,0,e<<3|(14&t)>>1,(1&t)<<7|r<<3])}({profile:parseInt(s,10),sampleRate:t,channel:e.channel_count});I.debug.log(F.LOG_NAME,"aacADTSHeader"),I.decodeAudio(i,0)}F.mp4Box.start()},onError(e){I.debug.error(F.LOG_NAME,"mp4Box onError",e)},onSamples(e,t,r){if(e===F.videoTrackId)for(const e of r){const t=e.data,r=e.is_sync,s=1e3*e.cts/e.timescale;e.duration,e.timescale,r&&I.calcIframeIntervalTimestamp(s);var i=(F.isHevc?Ne:Fe)(t,r);I._opt.isEmitSEI&&I.findSei(i,s),postMessage({cmd:q,type:K,value:i.byteLength}),postMessage({cmd:q,type:X,value:s}),I.decode(i,{type:2,ts:s,isIFrame:r,cts:0})}else if(e===F.audioTrackId){if(I._opt.hasAudio)for(const e of r){const t=e.data,r=1e3*e.cts/e.timescale,n=(e.duration,e.timescale,new Uint8Array(t.byteLength+2));n.set([175,1],0),n.set(t,2),postMessage({cmd:q,type:xe,value:n.byteLength}),I.decode(n,{type:1,ts:r,isIFrame:!1,cts:0})}}else I.debug.warn(F.LOG_NAME,"onSamples() trackId error",e)},dispatch(e){let t=e;"string"!=typeof e?"object"==typeof e?((t=F.transportDescarmber?F.transportDescarmber.transport(t):t).buffer.fileStart=F.offset,F.offset+=t.byteLength,F.mp4Box.appendBuffer(t.buffer)):I.debug.warn(F.LOG_NAME,"dispatch()","data is not object",e):I.debug.warn(F.LOG_NAME,"dispatch()","data is string",e)},destroy(){F.mp4Box&&(F.mp4Box.flush(),F.mp4Box=null),F.transportDescarmber&&(F.transportDescarmber.destroy(),F.transportDescarmber=null),F.offset=0,F.videoTrackId=null,F.audioTrackId=null,F.isHevc=!1}},D={LOG_NAME:"worker mpeg4Demuxer",lastBuffer:new Uint8Array(0),parsedOffset:0,firstStartCodeOffset:0,secondStartCodeOffset:0,state:"init",hasInitVideoCodec:!1,localDts:0,dispatch(e){e=new Uint8Array(e);D.extractNALu(e)},destroy(){D.lastBuffer=new Uint8Array(0),D.parsedOffset=0,D.firstStartCodeOffset=0,D.secondStartCodeOffset=0,D.state="init",D.hasInitVideoCodec=!1,D.localDts=0},extractNALu(e){if(!e||e.byteLength<1)I.debug.warn(D.LOG_NAME,"extractNALu() buffer error",e);else{const t=new Uint8Array(D.lastBuffer.length+e.length);for(t.set(D.lastBuffer,0),t.set(new Uint8Array(e),D.lastBuffer.length),D.lastBuffer=t;;){if("init"===D.state){let e=!1;for(;4<=D.lastBuffer.length-D.parsedOffset;)if(0===D.lastBuffer[D.parsedOffset])if(0===D.lastBuffer[D.parsedOffset+1])if(1===D.lastBuffer[D.parsedOffset+2]){if(182===D.lastBuffer[D.parsedOffset+3]){D.state="findFirstStartCode",D.firstStartCodeOffset=D.parsedOffset,D.parsedOffset+=4,e=!0;break}D.parsedOffset++}else D.parsedOffset++;else D.parsedOffset++;else D.parsedOffset++;if(e)continue;break}if("findFirstStartCode"===D.state){let e=!1;for(;4<=D.lastBuffer.length-D.parsedOffset;)if(0===D.lastBuffer[D.parsedOffset])if(0===D.lastBuffer[D.parsedOffset+1])if(1===D.lastBuffer[D.parsedOffset+2]){if(182===D.lastBuffer[D.parsedOffset+3]){D.state="findSecondStartCode",D.secondStartCodeOffset=D.parsedOffset,D.parsedOffset+=4,e=!0;break}D.parsedOffset++}else D.parsedOffset++;else D.parsedOffset++;else D.parsedOffset++;if(e)continue;break}if("findSecondStartCode"===D.state){if(!(0<D.lastBuffer.length-D.parsedOffset))break;{let e,t,r=192&D.lastBuffer[D.parsedOffset];e=0==r?D.secondStartCodeOffset-14:D.secondStartCodeOffset;var i=0==(192&D.lastBuffer[D.firstStartCodeOffset+4]);if(i){if(D.firstStartCodeOffset-14<0)return void I.debug.warn(D.LOG_NAME,"firstStartCodeOffset -14 is",D.firstStartCodeOffset-14);D.hasInitVideoCodec||(D.hasInitVideoCodec=!0,I.debug.log(D.LOG_NAME,"setCodec"),L.setCodec(99,"")),t=D.lastBuffer.subarray(D.firstStartCodeOffset-14,e)}else t=D.lastBuffer.subarray(D.firstStartCodeOffset,e);var s=D.getNaluDts();D.hasInitVideoCodec?(postMessage({cmd:q,type:K,value:t.byteLength}),postMessage({cmd:q,type:X,value:s}),L.decode(t,i?1:0,s)):I.debug.warn(D.LOG_NAME,"has not init video codec"),D.lastBuffer=D.lastBuffer.subarray(e),D.firstStartCodeOffset=0==r?14:0,D.parsedOffset=D.firstStartCodeOffset+4,D.state="findFirstStartCode"}}}}},getNaluDts(){var e=D.localDts;return D.localDts=D.localDts+40,e}},I={isPlayer:!0,isPlayback:!1,isPushDropping:!1,isDestroyed:!1,_opt:G(),mp3Demuxer:null,startStreamRateAndStatsInterval:function(){I.stopStreamRateAndStatsInterval(),e=setInterval(()=>{h&&h(0);var e=JSON.stringify({demuxBufferDelay:I.getVideoBufferLength(),audioDemuxBufferDelay:I.getAudioBufferLength(),flvBufferByteLength:I.getFlvBufferLength(),netBuf:I.networkDelay||0,pushLatestDelay:I.pushLatestDelay||0,isDropping:j(I.dropping)||j(I.isPushDropping),isStreamTsMoreThanLocal:i});postMessage({cmd:q,type:"streamStats",value:e})},1e3)},stopStreamRateAndStatsInterval:function(){e&&(clearInterval(e),e=null)},useOffscreen:function(){return I._opt.useOffscreen&&"undefined"!=typeof OffscreenCanvas},getDelay:function(e){return!e||I._opt.hasVideo&&!_?-1:(I.preDelayTimestamp&&I.preDelayTimestamp>e?1e3<I.preDelayTimestamp-e&&I.debug.warn("worker",`getDelay() and preDelayTimestamp is ${I.preDelayTimestamp} > timestamp is ${e} more than ${I.preDelayTimestamp-e}ms`):I.firstTimestamp?e&&(t=Date.now()-I.startTimestamp,(r=e-I.firstTimestamp)<=t?(i=!1,I.delay=t-r):(i=!0,I.delay=r-t)):(I.firstTimestamp=e,I.startTimestamp=Date.now(),I.delay=-1),I.preDelayTimestamp=e,I.delay);var t,r},getDelayNotUpdateDelay:function(t){if(!t||I._opt.hasVideo&&!_)return-1;if(I.preDelayTimestamp&&1e3<I.preDelayTimestamp-t)return I.debug.warn("worker",`getDelayNotUpdateDelay and preDelayTimestamp is ${I.preDelayTimestamp} > timestamp is ${t} more than ${I.preDelayTimestamp-t}ms`),-1;if(I.firstTimestamp){let e=-1;var r;return t&&(r=Date.now()-I.startTimestamp,t=t-I.firstTimestamp,e=t<=r?(i=!1,r-t):(i=!0,t-r)),e}return-1},resetDelay:function(){I.firstTimestamp=null,I.startTimestamp=null,I.delay=-1},resetAllDelay:function(){I.resetDelay(),I.preDelayTimestamp=null},doDecode:function(e){I._opt.useWCS&&I.useOffscreen()&&2===e.type&&s.decode?s.decode(e.payload,e.ts,e.cts):e.decoder.decode(e.payload,e.ts,e.isIFrame,e.cts)},decodeNext(e){if(0!==o.length&&!I.isPlayback){var t=e.ts,r=o[0],i=2===e.type&&$(e.payload);if(me(a))i&&(I.debug.log("worker",`decode data type is ${e.type} and
ts is ${t} next data type is ${r.type} ts is ${r.ts}
isVideoSqeHeader is `+i),o.shift(),I.doDecode(r));else{const a=r.ts-t,s=1===r.type&&2===e.type;(a<=20||s||i)&&(I.debug.log("worker",`decode data type is ${e.type} and
ts is ${t} next data type is ${r.type} ts is ${r.ts}
diff is ${a} and isVideoAndNextAudio is ${s} and isVideoSqeHeader is `+i),o.shift(),I.doDecode(r))}}},init:function(){I.debug.log("worker","init and opt is",JSON.stringify(I._opt));const t=I._opt.playType===ge,r="playbackTF"===I._opt.playType;if(C.init(),I.isPlayer=t,I.isPlayback=r,I.isPlaybackCacheBeforeDecodeForFpsRender())I.debug.log("worker","playback and playbackIsCacheBeforeDecodeForFpsRender is true");else{const r=()=>{let e=null;if(o.length)if(I.isPushDropping)I.debug.warn("worker","loop() isPushDropping is true and bufferList length is "+o.length);else if(I.dropping){for(e=o.shift(),I.debug.warn("worker",`loop() dropBuffer is dropping and isIFrame ${e.isIFrame} and delay is ${I.delay} and bufferlist is `+o.length);!e.isIFrame&&o.length;)e=o.shift();const t=I.getDelayNotUpdateDelay(e.ts);e.isIFrame&&t<=I.getNotDroppingDelayTs()&&(I.debug.log("worker","loop() is dropping = false, is iFrame"),I.dropping=!1,I.doDecode(e),I.decodeNext(e))}else if(e=o[0],-1===I.getDelay(e.ts)||I.isPlayback)I.isPlayer&&I.debug.log("worker","loop() common dumex delay is -1 ,data.ts is",e.ts),o.shift(),I.doDecode(e),I.decodeNext(e);else if(I.delay>I._opt.videoBuffer+I._opt.videoBufferDelay&&t)I.hasIframeInBufferList()?(I.debug.log("worker",`delay is ${I.delay}, set dropping is true`),I.resetAllDelay(),I.dropping=!0):(o.shift(),I.doDecode(e),I.decodeNext(e));else for(;o.length;){if(e=o[0],!(I.getDelay(e.ts)>I._opt.videoBuffer)){I.delay<0&&I.debug.warn("worker",`loop() do not decode and delay is ${I.delay}, bufferList is `+o.length);break}o.shift(),I.doDecode(e)}else-1!==I.delay&&I.debug.log("worker","loop() bufferList is empty and reset delay"),I.resetAllDelay()};I.stopId=setInterval(()=>{var e=(new Date).getTime(),e=e-(g=g||e);100<e&&I.debug.warn("worker","loop demux diff time is "+e),r(),g=(new Date).getTime()},20)}me(I._opt.checkFirstIFrame)&&(_=!0)},playbackCacheLoop:function(){I.stopId&&(clearInterval(I.stopId),I.stopId=null);var e=()=>{var e;o.length&&(e=o.shift(),I.doDecode(e))},t=(e(),Math.ceil(1e3/(I.streamFps*I._opt.playbackRate)));I.debug.log("worker",`playbackCacheLoop fragDuration is ${t}, streamFps is ${I.streamFps}, playbackRate is `+I._opt.playbackRate),I.stopId=setInterval(e,t)},close:function(){if(I.debug.log("worker","close"),I.isDestroyed=!0,I.stopStreamRateAndStatsInterval(),I.stopId&&(clearInterval(I.stopId),I.stopId=null),I.mp3Demuxer&&(I.mp3Demuxer.destroy(),I.mp3Demuxer=null),P)try{P.clear&&P.clear(),P=null}catch(e){I.debug.warn("worker","close() and audioDecoder.clear error",e)}if(L)try{L.clear&&L.clear(),L=null}catch(e){I.debug.warn("worker","close() and videoDecoder.clear error",e)}h=null,g=null,i=!1,s&&(s.reset&&s.reset(),s=null),I.firstTimestamp=null,I.startTimestamp=null,I.networkDelay=0,I.streamFps=null,I.streamAudioFps=null,I.streamVideoFps=null,I.delay=-1,I.pushLatestDelay=-1,I.preDelayTimestamp=null,I.dropping=!1,I.isPushDropping=!1,I.isPlayer=!0,I.isPlayback=!1,I._opt=G(),I.webglObj&&(I.webglObj.destroy(),I.offscreenCanvas.removeEventListener("webglcontextlost",I.onOffscreenCanvasWebglContextLost),I.offscreenCanvas.removeEventListener("webglcontextrestored",I.onOffscreenCanvasWebglContextRestored),I.offscreenCanvas=null,I.offscreenCanvasGL=null,I.offscreenCanvasCtx=null),o=[],d=[],n(),u=null,r&&(r.close(1e3,"Client disconnecting"),r=null),f=null,p=null,c=!1,m=!1,_=!1,k=!1,M=!1,N=!1,T=!1,v=[],E=0,U=0,y=null,b=null,x=null,B=null,O=null,A=0,R=0,w=null,S=null,C.destroy(),F.destroy(),D.destroy(),postMessage({cmd:"closeEnd"})},pushBuffer:function(e,t){if(1===t.type&&de(e)){if(I.debug.log("worker",`pushBuffer audio ts is ${t.ts}, isAacCodecPacket is true`),I._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:"aacSequenceHeader",buffer:t},[t.buffer])}I.decodeAudio(e,t.ts)}else if(2===t.type&&t.isIFrame&&$(e)){if(I.debug.log("worker",`pushBuffer video ts is ${t.ts}, isVideoSequenceHeader is true`),I._opt.isRecordTypeFlv){const t=new Uint8Array(e);postMessage({cmd:"videoSequenceHeader",buffer:t},[t.buffer])}I.decodeVideo(e,t.ts,t.isIFrame,t.cts)}else{if(I._opt.isRecording)if(I._opt.isRecordTypeFlv){const o=new Uint8Array(e);postMessage({cmd:"flvBufferData",type:t.type,buffer:o,ts:t.ts},[o.buffer])}else if(I._opt.recordType===W)if(2===t.type){const o=new Uint8Array(e).slice(5);postMessage({cmd:"videoNalu",buffer:o,isIFrame:t.isIFrame,ts:t.ts,cts:t.cts},[o.buffer])}else if(1===t.type&&I._opt.isWasmMp4){const o=new Uint8Array(e),r=he(o)?o.slice(2):o.slice(1);postMessage({cmd:"audioNalu",buffer:r,ts:t.ts},[r.buffer])}if(I.isPlayer&&0<A&&0<B&&2===t.type){const e=t.ts-B;e>2*A-5&&I.debug.warn("worker",`pushBuffer video
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diff is ${e} and preTimestampDuration is ${A}
maybe trigger black screen or flower screen
`)}if(I.isPlayer&&0<B&&2===t.type&&t.ts<B&&36e5<B-t.ts&&(I.debug.warn("worker",`pushBuffer,
preTimestamp is ${B}, options.ts is ${t.ts},
diff is ${B-t.ts} more than 3600000,
and resetAllDelay`),I.resetAllDelay()),I.isPlayer&&t.ts<=B&&0<B&&2===t.type&&I.debug.warn("worker",`pushBuffer,
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e=I.streamVideoFps,t=I.streamAudioFps;V(I.streamVideoFps)&&((e=ce(o,2))&&(I.streamVideoFps=e,postMessage({cmd:"playbackStreamVideoFps",value:I.streamVideoFps}),I.streamFps=t?e+t:e,I.playbackCacheLoop())),V(I.streamAudioFps)&&((t=ce(o,1))&&(I.streamAudioFps=t,I.streamFps=e?e+t:t,I.playbackCacheLoop())),V(I.streamVideoFps)&&V(I.streamAudioFps)&&I.debug.log("worker",`playbackCacheBeforeDecodeForFpsRender, calc streamAudioFps is ${t}, streamVideoFps is ${e}, bufferListLength is `+o.length)}}},getVideoBufferLength(){let t=0;return o.forEach(e=>{2===e.type&&(t+=1)}),t},hasIframeInBufferList:()=>o.some(e=>2===e.type&&e.isIFrame),isAllIframeInBufferList(){var e=I.getVideoBufferLength();let t=0;return o.forEach(e=>{2===e.type&&e.isIFrame&&(t+=1)}),e===t},getNotDroppingDelayTs:()=>I._opt.videoBuffer+I._opt.videoBufferDelay/2,getAudioBufferLength(){let t=0;return o.forEach(e=>{1===e.type&&(t+=1)}),t},getFlvBufferLength(){let e=0;return u&&u.buffer&&(e=u.buffer.byteLength),e=I._opt.isNakedFlow&&C.lastBuf?C.lastBuf.byteLength:e},fetchStream:function(e,s){I.debug.log("worker","fetchStream, url is "+e,"options:",JSON.stringify(s)),s.isFlv?I._opt.isFlv=!0:s.isFmp4?I._opt.isFmp4=!0:s.isMpeg4?I._opt.isMpeg4=!0:s.isNakedFlow&&(I._opt.isNakedFlow=!0),h=function(r){let i=0,s=fe();return e=>{var t;"[object Number]"===Object.prototype.toString.call(e)&&(i+=e,1e3<=(t=(e=fe())-s)&&(r(i/t*1e3),s=e,i=0))}}(e=>{postMessage({cmd:q,type:"streamRate",value:e})}),I.startStreamRateAndStatsInterval(),s.isFmp4&&(F.listenMp4Box(),I._opt.isFmp4Private&&F.initTransportDescarmber()),2===s.protocol?(u=new re(I.demuxFlv()),fetch(e,{signal:t.signal}).then(e=>{if(!((t=e).ok&&200<=t.status&&t.status<=299))return I.debug.warn("worker",`fetch response status is ${e.status} and ok is ${e.ok} and emit error and next abort()`),n(),void postMessage({cmd:q,type:Z,value:`fetch response status is ${e.status} and ok is `+e.ok});var t;if(postMessage({cmd:q,type:Be}),"undefined"!=typeof WritableStream)e.body.pipeTo(new WritableStream({write:e=>{h(e.byteLength),s.isFlv?u.write(e):s.isFmp4?I.demuxFmp4(e):s.isMpeg4&&I.demuxMpeg4(e)},close:()=>{u=null,n(),postMessage({cmd:q,type:Ue,value:_e})},abort:e=>{u=null,e.name!==Ae&&(n(),postMessage({cmd:q,type:Z,value:e.toString()}))}}));else{const r=e.body.getReader(),i=()=>{r.read().then(e=>{var{done:e,value:t}=e;if(e)return u=null,n(),void postMessage({cmd:q,type:Ue,value:_e});h(t.byteLength),s.isFlv?u.write(t):s.isFmp4?I.demuxFmp4(t):s.isMpeg4&&I.demuxMpeg4(t),i()}).catch(e=>{u=null,e.name!==Ae&&(n(),postMessage({cmd:q,type:Z,value:e.toString()}))})};i()}}).catch(e=>{e.name!==Ae&&(n(),postMessage({cmd:q,type:Z,value:e.toString()}),u=null)})):1===s.protocol&&(s.isFlv&&(u=new re(I.demuxFlv())),(r=new WebSocket(e)).binaryType="arraybuffer",r.onopen=()=>{I.debug.log("worker","fetchStream, WebsocketStream socket 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8:I.decode(n,{type:1,ts:s});break;case 9:if(0<n.byteLength){const r=n[0]>>4==1;I.isPlayer&&(I.calcNetworkDelay(s),r&&I.calcIframeIntervalTimestamp(s)),i[0]=n[4],i[1]=n[3],i[2]=n[2],i[3]=0;let e=i[0],t=n;I._opt.isCrypto?I._opt.cryptoIV&&0<I._opt.cryptoIV.byteLength&&I._opt.cryptoKey&&0<I._opt.cryptoKey.byteLength?t=function(t,r,i){r=new Uint8Array(r),i=new Uint8Array(i);const s=t.byteLength;let n=5;for(;n<s;){o=(o=t.slice(n,n+4))[3]|o[2]<<8|o[1]<<16|o[0]<<24;if(o>s)break;var a=t[n+4];if(1==(a&=31)||5==a){const s=t.slice(n+4+2,n+4+o);let e=new tt.ModeOfOperation.ctr(r,new tt.Counter(i));a=e.decrypt(s);e=null,t.set(a,n+4+2)}n=n+4+o}var o;return t}(n,I._opt.cryptoKey,I._opt.cryptoIV):I.debug.error("worker",`cryptoKey.length is ${I._opt.cryptoKey&&I._opt.cryptoKey.byteLength} or cryptoIV.length is ${I._opt.cryptoIV&&I._opt.cryptoIV.byteLength} null`):I._opt.isSm4Crypto&&I._opt.sm4CryptoKey&&r&&(t=function(e,t){const r=e.byteLength;let i=5;for(;i<r;){n=(n=e.slice(i,i+4))[3]|n[2]<<8|n[1]<<16|n[0]<<24;if(n>r)break;var s=e[i+4];if(1==(s&=31)||5==s){const r=ht(e.slice(i+4+2,i+4+n),t,0,{padding:"none",output:"array"});e.set(r,i+4+2)}i=i+4+n}var n;return e}(n,I._opt.sm4CryptoKey)),I._opt.isEmitSEI&&I.findSei(t,s),I.decode(t,{type:2,ts:s,isIFrame:r,cts:e})}break;case 18:postMessage({cmd:"flvScriptData",buffer:n},[n.buffer]);break;default:I.debug.log("worker","demuxFlv() type is "+a)}}},decode:function(e,t){1===t.type?I._opt.hasAudio&&(postMessage({cmd:q,type:xe,value:e.byteLength}),I.isPlayer?I.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):I.isPlayback&&(I.isPlaybackCacheBeforeDecodeForFpsRender()||1===I._opt.playbackRate?I.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts}):I.decodeAudio(e,t.ts))):2===t.type&&I._opt.hasVideo&&(postMessage({cmd:q,type:K,value:e.byteLength}),postMessage({cmd:q,type:X,value:t.ts}),I.isPlayer?I.pushBuffer(e,{type:t.type,ts:t.ts,isIFrame:t.isIFrame,cts:t.cts}):I.isPlayback&&(I.isPlaybackOnlyDecodeIFrame()?t.isIFrame&&I.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}):(I.isPlaybackCacheBeforeDecodeForFpsRender(),I.pushBuffer(e,{type:t.type,ts:t.ts,cts:t.cts,isIFrame:t.isIFrame}))))},setCodecAudio:function(e,t){const r=e[0]>>4,i=e[0]>>1&1;if(O=r===Q.AAC?i?16:8:0===i?8:16,P&&P.setCodec)if(de(e)||r===Q.ALAW||r===Q.MULAW||r===Q.MP3){I.debug.log("worker","setCodecAudio: init audio codec, codeId is "+r);const i=r===Q.AAC?e.slice(2):new Uint8Array(0);P.setCodec(r,I._opt.sampleRate,i),postMessage({cmd:"audioAACSequenceHeader",buffer:i},[i.buffer]),m=!0,r!==Q.AAC&&(r===Q.MP3?(I.mp3Demuxer||(I.mp3Demuxer=new ut(I),I.mp3Demuxer.on("data",(e,t)=>{P.decode(e,t)})),I.mp3Demuxer.dispatch(e.slice(1),t)):P.decode(e.slice(1),t));{const e=Number("1")||1;setTimeout(()=>{I.debug.error("worker","jessibuca pro 体验结束,请刷新页面再次体验，如需要购买商业授权，可以联系微信：bosswancheng"),I.close(),postMessage({cmd:Ee})},60*e*60*1e3)}}else I.debug.warn("worker","setCodecAudio: hasInitAudioCodec is false, codecId is ",r);else I.debug.error("worker","setCodecAudio: audioDecoder or audioDecoder.setCodec is null")},decodeAudio:function(e,t){var r=e[0]>>4;m?r===Q.MP3?I.mp3Demuxer.dispatch(e.slice(1),t):P.decode(r===Q.AAC?e.slice(2):e.slice(1),t):I.setCodecAudio(e,t)},setCodecVideo:function(e){var t=15&e[0];if(L&&L.setCodec)if($(e))if(7==t||12==t){T=12==t,I.debug.log("worker","setCodecVideo: init video codec , codecId is "+t);var r=e.slice(5);if(7==t&&I._opt.useSIMD){const e=Te(r);if(4080<e.codecWidth||4080<e.codecHeight)return postMessage({cmd:"simdH264DecodeVideoWidthIsTooLarge"}),void I.debug.warn("worker",`setCodecVideo: SIMD H264 decode video width is too large, width is ${e.codecWidth}, height is `+e.codecHeight)}c=!0,L.setCodec(t,r),I._opt.recordType===W&&postMessage({cmd:Se,buffer:e,codecId:t},[e.buffer])}else I.debug.warn("worker",`setCodecVideo: hasInitVideoCodec is false, codecId is ${t} is not H264 or H265`);else I.debug.warn("worker",`decodeVideo: hasInitVideoCodec is false, codecId is ${t} and frameType is ${e[0]>>4} and packetType is `+e[1]);else I.debug.error("worker","setCodecVideo: videoDecoder or videoDecoder.setCodec is null")},decodeVideo:function(t,e,r){var i=3<arguments.length&&void 0!==arguments[3]?arguments[3]:0;if(j(a))postMessage({cmd:"videoPayload",payload:t,isIFrame:r,ts:e,cts:i,delay:I.delay},[t.buffer]);else if(c)if(_=!_&&r?!0:_){if(r&&$(t)){const a=15&t[0];let e={};7==a?e=Te(t.slice(5)):12==a&&(e=Re(t)),e.codecWidth&&e.codecHeight&&f&&p&&(e.codecWidth!==f||e.codecHeight!==p)&&(I.debug.warn("worker",`
decodeVideo: video width or height is changed,
old width is ${f}, old height is ${p},
new width is ${e.codecWidth}, new height is ${e.codecHeight},
and emit change event`),M=!0,postMessage({cmd:"wasmWidthOrHeightChange"}))}if(M)I.debug.warn("worker","decodeVideo: video width or height is changed, and return");else if(N)I.debug.warn("worker","decodeVideo: simd decode error, and return");else if($(t))I.debug.warn("worker","decodeVideo and payload is video sequence header so drop this frame");else if(t.byteLength<12)I.debug.warn("worker","decodeVideo and payload is too small , payload length is "+t.byteLength);else{const a=t.slice(5);L.decode(a,r?1:0,e)}}else I.debug.warn("worker","decodeVideo: first frame is not iframe");else I.setCodecVideo(t)},clearBuffer:function(){var e=0<arguments.length&&void 0!==arguments[0]&&arguments[0];I.debug.log("worker",`clearBuffer,bufferList length is ${o.length}, need clear is `+e),e&&(o=[]),I.resetAllDelay(),I.dropping=!0},dropBuffer$2:function(){if(0<o.length){I.isPushDropping=!0;let t=o.findIndex(e=>j(e.isIFrame)&&2===e.type);if(I.isAllIframeInBufferList())for(let e=0;e<o.length;e++){var r=o[e],r=I.getDelayNotUpdateDelay(r.ts);if(r>=I.getNotDroppingDelayTs()){I.debug.log("worker",`dropBuffer$2() isAllIframeInBufferList() is true, and index is ${e} and tempDelay is ${r} and notDroppingDelayTs is `+I.getNotDroppingDelayTs()),t=e;break}}var e,i,s;0<=t?(e=o.length,i=(o=o.slice(t)).shift(),s=I.getDelayNotUpdateDelay(i.ts),I.doDecode(i),I.isPushDropping=!1,I.debug.log("worker",`dropBuffer$2() iFrameIndex is ${t},and prev bufferList length is ${e} ,new bufferList is ${o.length} and tempDelay is ${s} ,delay is ${I.delay} `)):I.isPushDropping=!1}0===o.length&&(I.isPushDropping=!1)},demuxM7s:function(e){const t=new DataView(e),r=t.getUint32(1,!1);switch(t.getUint8(0)){case 1:I.decode(new Uint8Array(e,5),{type:1,ts:r});break;case 2:var i,s;5<t.byteLength&&(i=new Uint8Array(e,5),s=t.getUint8(5)>>4==1,I.isPlayer&&(I.calcNetworkDelay(r),s&&I.calcIframeIntervalTimestamp(r)),I._opt.isEmitSEI&&I.findSei(i,r),I.decode(i,{type:2,ts:r,isIFrame:s}))}},demuxNakedFlow:function(e){C.dispatch(e)},demuxFmp4:function(e){e=new Uint8Array(e);F.dispatch(e)},demuxMpeg4:function(e){D.dispatch(e)},findSei:function(e,r){ze(e.slice(5)).forEach(e=>{var t=T?e[0]>>>1&63:31&e[0];(T&&(t===te.suffixSei||t===te.prefixSei)||me(T)&&t===ee.kSliceSEI)&&postMessage({cmd:"videoSEI",buffer:e,ts:r},[e.buffer])})},calcNetworkDelay:function(e){var t,r,i;_&&0<e&&(null===y?(y=e,b=H()):e<y&&(I.debug.warn("worker",`calcNetworkDelay, dts is ${e} less than bufferStartDts is `+y),y=e,b=H()),i=(t=e-y)<(r=H()-b)?r-t:0,(I.networkDelay=i)>I._opt.networkDelay&&I._opt.playType===ge&&(I.debug.warn("worker",`calcNetworkDelay now dts:${e}, start dts is ${y} vs start is ${t},local diff is ${r} ,delay is 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