jiaojiu/node_modules/_video.js@7.11.8@video.js/dist/alt/video.novtt.min.js

/**
 * @license
 * Video.js 7.11.8 <http://videojs.com/>
 * Copyright Brightcove, Inc. <https://www.brightcove.com/>
 * Available under Apache License Version 2.0
 * <https://github.com/videojs/video.js/blob/main/LICENSE>
 *
 * Includes vtt.js <https://github.com/mozilla/vtt.js>
 * Available under Apache License Version 2.0
 * <https://github.com/mozilla/vtt.js/blob/main/LICENSE>
 */
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function(e){return e.subarray(0,e.byteLength-e[e.byteLength-1])}(s))})}return u.prototype.decryptChunk_=function(t,i,n,r){return function(){var e=function(e,t,i){var n,r,a,s,o,u,l,c,d,h=new Int32Array(e.buffer,e.byteOffset,e.byteLength>>2),p=new v(Array.prototype.slice.call(t)),f=new Uint8Array(e.byteLength),m=new Int32Array(f.buffer);for(n=i[0],r=i[1],a=i[2],s=i[3],d=0;d<h.length;d+=4)o=g(h[d]),u=g(h[d+1]),l=g(h[d+2]),c=g(h[d+3]),p.decrypt(o,u,l,c,m,d),m[d]=g(m[d]^n),m[d+1]=g(m[d+1]^r),m[d+2]=g(m[d+2]^a),m[d+3]=g(m[d+3]^s),n=o,r=u,a=l,s=c;return f}(t,i,n);r.set(e,t.byteOffset)}},e(u,null,[{key:"STEP",get:function(){return 32e3}}]),u}();self.onmessage=function(e){var i=e.data,t=new Uint8Array(i.encrypted.bytes,i.encrypted.byteOffset,i.encrypted.byteLength),n=new Uint32Array(i.key.bytes,i.key.byteOffset,i.key.byteLength/4),r=new Uint32Array(i.iv.bytes,i.iv.byteOffset,i.iv.byteLength/4);new s(t,n,r,function(e,t){self.postMessage(function(i){var n={};return Object.keys(i).forEach(function(e){var t=i[e];ArrayBuffer.isView(t)?n[e]={bytes:t.buffer,byteOffset:t.byteOffset,byteLength:t.byteLength}:n[e]=t}),n}({source:i.source,decrypted:t}),[t.buffer])})}}))),xd={AUDIO:function(u,l){return function(){var e=l.segmentLoaders[u],t=l.mediaTypes[u],i=l.blacklistCurrentPlaylist;rd(e,t);var n=t.activeTrack(),r=t.activeGroup(),a=(r.filter(function(e){return e.default})[0]||r[0]).id,s=t.tracks[a];if(n!==s){for(var o in qr.log.warn("Problem encountered loading the alternate audio track.Switching back to default."),t.tracks)t.tracks[o].enabled=t.tracks[o]===s;t.onTrackChanged()}else i({message:"Problem encountered loading the default audio track."})}},SUBTITLES:function(n,r){return function(){var e=r.segmentLoaders[n],t=r.mediaTypes[n];qr.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track."),rd(e,t);var i=t.activeTrack();i&&(i.mode="disabled"),t.onTrackChanged()}}},Pd={AUDIO:function(e,t,i){if(t){var n=i.tech,r=i.requestOptions,a=i.segmentLoaders[e];t.on("loadedmetadata",function(){var e=t.media();a.playlist(e,r),(!n.paused()||e.endList&&"none"!==n.preload())&&a.load()}),t.on("loadedplaylist",function(){a.playlist(t.media(),r),n.paused()||a.load()}),t.on("error",xd[e](e,i))}},SUBTITLES:function(e,t,i){var n=i.tech,r=i.requestOptions,a=i.segmentLoaders[e],s=i.mediaTypes[e];t.on("loadedmetadata",function(){var e=t.media();a.playlist(e,r),a.track(s.activeTrack()),(!n.paused()||e.endList&&"none"!==n.preload())&&a.load()}),t.on("loadedplaylist",function(){a.playlist(t.media(),r),n.paused()||a.load()}),t.on("error",xd[e](e,i))}},Ad={AUDIO:function(s,o){var u=o.vhs,l=o.sourceType,e=o.segmentLoaders[s],c=o.requestOptions,t=o.master,d=t.mediaGroups,i=t.playlists,n=o.mediaTypes[s],h=n.groups,p=n.tracks,f=o.masterPlaylistLoader;d[s]&&0!==Object.keys(d[s]).length||(d[s]={main:{default:{default:!0}}});function r(r){function e(e){var t=d[s][r][e];!a.filter(function(e){return e.resolvedUri!==t.resolvedUri}).length&&a.length&&delete t.resolvedUri;var i=void 0;if(i="vhs-json"===l&&t.playlists?new xc(t.playlists[0],u,c):t.resolvedUri?new xc(t.resolvedUri,u,c):t.playlists&&"dash"===l?new Nc(t.playlists[0],u,c,f):null,t=qr.mergeOptions({id:e,playlistLoader:i},t),Pd[s](s,t.playlistLoader,o),h[r].push(t),"undefined"==typeof p[e]){var n=new qr.AudioTrack({id:e,kind:function(e){var t=e.default?"main":"alternative";return e.characteristics&&0<=e.characteristics.indexOf("public.accessibility.describes-video")&&(t="main-desc"),t}(t),enabled:!1,language:t.language,default:t.default,label:e});p[e]=n}}h[r]||(h[r]=[]);var a=i.filter(function(e){return e.attributes[s]===r});for(var t in d[s][r])e(t)}for(var a in d[s])r(a);e.on("error",xd[s](s,o))},SUBTITLES:function(e,t){var i=t.tech,n=t.vhs,r=t.sourceType,a=t.segmentLoaders[e],s=t.requestOptions,o=t.master.mediaGroups,u=t.mediaTypes[e],l=u.groups,c=u.tracks,d=t.masterPlaylistLoader;for(var h in o[e])for(var p in l[h]||(l[h]=[]),o[e][h])if(!o[e][h][p].forced){var f=o[e][h][p],m=void 0;if("hls"===r)m=new xc(f.resolvedUri,n,s);else if("dash"===r){if(!f.playlists.filter(function(e){return e.ex