Module 265486

function(e,t,n){"use strict";n.d(t,{At:()=>l,BZ:()=>o,K:()=>m,YQ:()=>u});let r=new(n(626584)).A("mp4box"),i={videoCodec:null,audioCodec:null,videoCodecDescription:null,audioCodecDescription:null,videoBitrate:null,audioBitrate:null,audioChannels:null,audioSampleRate:null,frameRate:null,videoWidth:null,videoHeight:null,isProgressive:null,isFragmented:null,containerFormat:null};function s(e){if(e.startsWith("avc1"))return"H.264/AVC";if(e.startsWith("hev1")||e.startsWith("hvc1"))return"H.265/HEVC";if(e.startsWith("vp08"))return"VP8";if(e.startsWith("vp09"))return"VP9";if(e.startsWith("av01"))return"AV1";return e}function a(e){if(e.startsWith("mp4a.40.2"))return"AAC-LC";if(e.startsWith("mp4a.40.5"))return"HE-AAC";if(e.startsWith("mp4a.40.29"))return"HE-AACv2";if(e.startsWith("mp4a.40"))return"AAC";if("opus"===e)return"Opus";else if("vorbis"===e)return"Vorbis";return e}function o(e){return null===e?"N/A":e<1e3?`${e} bps`:e<1e6?`${(e/1e3).toFixed(1)} Kbps`:`${(e/1e6).toFixed(2)} Mbps`}function l(e){if(null===e)return"N/A";switch(e){case 1:return"Mono";case 2:return"Stereo";case 6:return"5.1 Surround";case 8:return"7.1 Surround";default:return`${e} channels`}}function u(e){return null===e?"N/A":e<1e3?`${e} Hz`:`${(e/1e3).toFixed(1)} kHz`}function c(e){if(0===e.length)return"MP4";let t=e[0];if("isom"===t)return"MP4 (ISO Base Media)";if("mp41"===t)return"MP4 v1";if("mp42"===t)return"MP4 v2";if(t.startsWith("M4V"))return"M4V (iTunes Video)";if(t.startsWith("M4A"))return"M4A (iTunes Audio)";else if(t.startsWith("qt"))return"QuickTime";else if("dash"===t)return"DASH";else if("iso5"===t)return"MP4 (ISO/IEC 14496-12:2005)";else if("iso6"===t)return"MP4 (ISO/IEC 14496-12:2012)";return`MP4 (${t})`}function d(e){let t=e;if(null!=t.nb_samples&&null!=t.duration&&null!=t.timescale&&0!==t.timescale){let e=t.duration/t.timescale;if(e>0)return Math.round(t.nb_samples/e)}return null}let _=524288,f=524288,p=5e3,h=5e3;async function m(e){try{let t;if("u"<typeof fetch)return i;let{default:o}=await n.e("25777").then(n.t.bind(n,293384,19)),l=null;try{let t=await fetch(e,{method:"HEAD"});if(t.ok){let e=t.headers.get("Content-Length");null!=e&&(l=parseInt(e,10))}}catch{}try{t=await fetch(e,{method:"GET",headers:{Range:`bytes=0-${_-1}`}})}catch(e){return r.warn("Range request failed, likely CORS issue:",e),i}if(!t.ok&&206!==t.status)return r.warn("Unexpected response status:",t.status),i;if("opaque"===t.type)return r.warn("Opaque response, CORS headers may be missing"),i;let u=await t.arrayBuffer(),m=o.createFile();return new Promise(t=>{let n=!1,o=!1,E=null,g=null,A=()=>{n||(n=!0,clearTimeout(I),null!=g&&clearTimeout(g),t(i))},I=setTimeout(()=>{r.warn("Timeout after",p,"ms, moov atom not found"),A()},p);m.onReady=e=>{if(n)return;n=!0,clearTimeout(I),null!=g&&clearTimeout(g);let r=e.videoTracks[0],i=e.audioTracks[0],o={videoCodec:r?.codec??null,audioCodec:i?.codec??null,videoCodecDescription:null!=r?s(r.codec):null,audioCodecDescription:null!=i?a(i.codec):null,videoBitrate:r?.bitrate??null,audioBitrate:i?.bitrate??null,audioChannels:i?.audio?.channel_count??null,audioSampleRate:i?.audio?.sample_rate??null,frameRate:null!=r?d(r):null,videoWidth:r?.video?.width??null,videoHeight:r?.video?.height??null,isProgressive:e.isProgressive??null,isFragmented:e.isFragmented??null,containerFormat:c(e.brands??[])};t(o)},m.onError=()=>{A()},m.onSeek=async t=>{if(n||o||null==l||!(l>_)){if(o){if(null!=E&&performance.now()-E<h)return;A();return}}else{o=!0,r.log("Fetching end chunk for moov atom");try{let t=await fetch(e,{method:"GET",headers:{Range:`bytes=${l-f}-${l-1}`}});if(t.ok||206===t.status){let e,n=await t.arrayBuffer();200===t.status&&n.byteLength===l?(n=n.slice(l-f),e=Math.max(0,l-f)):e=206===t.status?Math.max(0,l-f):0;let i=n;i.fileStart=e;try{m.appendBuffer(i),m.flush(),E=performance.now();return}catch(e){r.warn("Failed to append end chunk:",e),A();return}}}catch(e){r.warn("Failed to fetch end chunk:",e)}A();return}(null==l||l<=_)&&A()};let T=u;T.fileStart=0;try{m.appendBuffer(T),m.flush(),g=setTimeout(()=>{n||o||null==m.onSeek||m.onSeek({offset:0,isLast:!1})},500)}catch(e){A()}})}catch(e){return i}}}