2017-05-31 12:19:57 -07:00
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define(["browser"],function(browser){"use strict";function canPlayH264(videoTestElement){return!(!videoTestElement.canPlayType||!videoTestElement.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"').replace(/no/,""))}function canPlayH265(videoTestElement,options){if(browser.tizen||browser.orsay||browser.xboxOne||options.supportsHevc)return!0;var userAgent=navigator.userAgent.toLowerCase(),isChromecast=userAgent.indexOf("crkey")!==-1;if(isChromecast){var isChromecastUltra=userAgent.indexOf("aarch64")!==-1;if(isChromecastUltra)return!0}return!(!videoTestElement.canPlayType||!videoTestElement.canPlayType('video/hevc; codecs="hevc, aac"').replace(/no/,""))}function supportsTextTracks(){return!(!browser.tizen&&!browser.orsay)||(null==_supportsTextTracks&&(_supportsTextTracks=null!=document.createElement("video").textTracks),_supportsTextTracks)}function canPlayHls(src){return null==_canPlayHls&&(_canPlayHls=canPlayNativeHls()||canPlayHlsWithMSE()),_canPlayHls}function canPlayNativeHls(){if(browser.tizen||browser.orsay)return!0;var media=document.createElement("video");return!(!media.canPlayType("application/x-mpegURL").replace(/no/,"")&&!media.canPlayType("application/vnd.apple.mpegURL").replace(/no/,""))}function canPlayHlsWithMSE(){return null!=window.MediaSource}function canPlayAudioFormat(format){var typeString;if("flac"===format){if(browser.tizen||browser.orsay)return!0;if(browser.edgeUwp)return!0}else if("wma"===format){if(browser.tizen||browser.orsay)return!0;if(browser.edgeUwp)return!0}else if("opus"===format)return typeString='audio/ogg; codecs="opus"',!!document.createElement("audio").canPlayType(typeString).replace(/no/,"");return typeString="webma"===format?"audio/webm":"audio/"+format,!!document.createElement("audio").canPlayType(typeString).replace(/no/,"")}function testCanPlayMkv(videoTestElement){if(browser.tizen||browser.orsay)return!0;if(videoTestElement.canPlayType("video/x-matroska").replace(/no/,"")||videoTestElement.canPlayType("video/mkv").replace(/no/,""))return!0;var userAgent=navigator.userAgent.toLowerCase();return browser.chrome?!browser.operaTv&&(userAgent.indexOf("vivaldi")===-1&&userAgent.indexOf("opera")===-1):!!browser.edgeUwp}function testCanPlayTs(){return browser.tizen||browser.orsay||browser.web0s||browser.edgeUwp}function supportsMpeg2Video(){return browser.orsay||browser.tizen||browser.edgeUwp}function supportsVc1(){return browser.orsay||browser.tizen||browser.edgeUwp}function getDirectPlayProfileForVideoContainer(container,videoAudioCodecs,videoTestElement,options){var supported=!1,profileContainer=container,videoCodecs=[];switch(container){case"asf":supported=browser.tizen||browser.orsay||browser.edgeUwp,videoAudioCodecs=[];break;case"avi":supported=browser.tizen||browser.orsay||browser.edgeUwp;break;case"mpg":case"mpeg":supported=browser.edgeUwp||browser.tizen||browser.orsay;break;case"3gp":case"flv":case"mts":case"trp":case"vob":case"vro":supported=browser.tizen||browser.orsay;break;case"mov":supported=browser.tizen||browser.orsay||browser.chrome||browser.edgeUwp,videoCodecs.push("h264");break;case"m2ts":supported=browser.tizen||browser.orsay||browser.web0s||browser.edgeUwp,videoCodecs.push("h264"),supportsVc1()&&videoCodecs.push("vc1"),supportsMpeg2Video()&&videoCodecs.push("mpeg2video");break;case"wmv":supported=browser.tizen||browser.orsay||browser.web0s||browser.edgeUwp,videoAudioCodecs=[];break;case"ts":supported=testCanPlayTs(),videoCodecs.push("h264"),canPlayH265(videoTestElement,options)&&(videoCodecs.push("h265"),videoCodecs.push("hevc")),supportsVc1()&&videoCodecs.push("vc1"),supportsMpeg2Video()&&videoCodecs.push("mpeg2video"),profileContainer="ts,mpegts"}return supported?{Container:profileContainer,Type:"Video",VideoCodec:videoCodecs.join(","),AudioCodec:videoAudioCodecs.join(",")}:null}function getMaxBitrate(){return 12e7}function getGlobalMaxVideoBitrate(){var userAgent=navigator.userAgent.toLowerCase();if(browser.chromecast){var isChromecastUltra=userAgent.indexOf("aarch64")!==-1;return isChromecastUltra?4e7:1e7}var isTizenFhd=!1;if(browser.tizen)try{var isTizenU
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