How to use mediaSource method in wpt

Best JavaScript code snippet using wpt

mediasource.js

Source:mediasource.js Github

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1/**2 * @preserve Copyright (c) 2013-present British Broadcasting Corporation. All rights reserved.3 * @license See https://github.com/bbc/tal/blob/master/LICENSE for full licence4 */5(function() {6 this.MediaSourceTest = AsyncTestCase('MediaSource');7 this.MediaSourceTest.prototype.setUp = function() {8 };9 this.MediaSourceTest.prototype.tearDown = function() {10 };11 this.MediaSourceTest.prototype.testInterface = function(queue) {12 expectAsserts(2);13 queuedRequire(queue, ['antie/mediasource','antie/class'], function(MediaSource, Class) {14 assertEquals('MediaSource should be a function', 'function', typeof MediaSource);15 assert('MediaSource should extend from Class', new MediaSource() instanceof Class);16 });17 };18 this.MediaSourceTest.prototype.testConstructor = function(queue) {19 expectAsserts(2);20 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {21 var MEDIA_URL = 'http://endpoint.invalid/video.mp4';22 var MEDIA_TYPE = 'video/mp4';23 var mediaSource = new MediaSource(MEDIA_URL, MEDIA_TYPE);24 assertEquals('MediaSource.src set by constructor', MEDIA_URL, mediaSource.src);25 assertEquals('MediaSource.type set by constructor', MEDIA_TYPE, mediaSource.type);26 });27 };28 this.MediaSourceTest.prototype.testIsEqualReturnsTrueWhenSourcesAreEqual = function(queue) {29 expectAsserts(1);30 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {31 var MEDIA_URL = 'http://endpoint.invalid/video.mp4';32 var MEDIA_TYPE = 'video/mp4';33 var mediaSource1 = new MediaSource(MEDIA_URL, MEDIA_TYPE);34 var mediaSource2 = new MediaSource(MEDIA_URL, MEDIA_TYPE);35 assert('isEqual returns true for equal media sources', mediaSource1.isEqual(mediaSource2));36 });37 };38 this.MediaSourceTest.prototype.testIsEqualReturnsFalseWhenURLsDiffer = function(queue) {39 expectAsserts(1);40 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {41 var MEDIA_URL1 = 'http://endpoint.invalid/video_1.mp4';42 var MEDIA_URL2 = 'http://endpoint.invalid/video_2.mp4';43 var MEDIA_TYPE = 'video/mp4';44 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE);45 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE);46 assertFalse('isEqual returns false for differing media sources', mediaSource1.isEqual(mediaSource2));47 });48 };49 this.MediaSourceTest.prototype.testIsEqualReturnsFalseWhenTypesDiffer = function(queue) {50 expectAsserts(1);51 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {52 var MEDIA_URL = 'http://endpoint.invalid/video.mp4';53 var MEDIA_TYPE1 = 'video/mp4';54 var MEDIA_TYPE2 = 'audio/mp4';55 var mediaSource1 = new MediaSource(MEDIA_URL, MEDIA_TYPE1);56 var mediaSource2 = new MediaSource(MEDIA_URL, MEDIA_TYPE2);57 assertFalse('isEqual returns false for differing media sources', mediaSource1.isEqual(mediaSource2));58 });59 };60 this.MediaSourceTest.prototype.testIsEqualReturnsFalseWhenURLsAndTypesDiffer = function(queue) {61 expectAsserts(1);62 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {63 var MEDIA_URL1 = 'http://endpoint.invalid/video_1.mp4';64 var MEDIA_URL2 = 'http://endpoint.invalid/video_2.mp4';65 var MEDIA_TYPE1 = 'video/mp4';66 var MEDIA_TYPE2 = 'audio/mp4';67 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);68 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE2);69 assertFalse('isEqual returns false for differing media sources', mediaSource1.isEqual(mediaSource2));70 });71 };72 this.MediaSourceTest.prototype.testGetContentType = function(queue) {73 expectAsserts(2);74 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {75 var MEDIA_URL1 = 'http://endpoint.invalid/video_1.mp4';76 var MEDIA_URL2 = 'http://endpoint.invalid/video_2.mp4';77 var MEDIA_TYPE1 = 'video/mp4';78 var MEDIA_TYPE2 = 'audio/mp4';79 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);80 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE2);81 assertEquals(MEDIA_TYPE1, mediaSource1.getContentType());82 assertEquals(MEDIA_TYPE2, mediaSource2.getContentType());83 });84 };85 this.MediaSourceTest.prototype.testGetMediaType = function(queue) {86 expectAsserts(2);87 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {88 var MEDIA_URL1 = 'http://endpoint.invalid/video_1.mp4';89 var MEDIA_URL2 = 'http://endpoint.invalid/video_2.mp4';90 var MEDIA_TYPE1 = 'video/mp4';91 var MEDIA_TYPE2 = 'audio/mp4';92 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);93 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE2);94 assertEquals(MediaSource.MEDIA_TYPE_UNKNOWN, mediaSource1.getMediaType());95 assertEquals(MediaSource.MEDIA_TYPE_UNKNOWN, mediaSource2.getMediaType());96 });97 };98 this.MediaSourceTest.prototype.testGetURLUsesConfig = function(queue) {99 expectAsserts(1);100 var config = {'modules':{'base':'antie/devices/browserdevice','modifiers':[]},'streaming':{'video':{'mediaURIFormat':'VIDEO'}, 'audio':{'mediaURIFormat':'AUDIO'}}, 'input':{'map':{}},'layouts':[{'width':960,'height':540,'module':'fixtures/layouts/default','classes':['browserdevice540p']}],'deviceConfigurationKey':'devices-html5-1'};101 queuedApplicationInit(queue, 'lib/mockapplication', ['antie/mediasource'], function(application, MediaSource) {102 var MEDIA_URL1 = 'http://endpoint.invalid/video.mp4';103 var MEDIA_TYPE1 = 'video/mp4';104 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);105 var url = mediaSource1.getURL();106 application.destroy();107 assertEquals('VIDEO', url);108 }, config);109 };110 this.MediaSourceTest.prototype.testGetURL = function(queue) {111 expectAsserts(1);112 var config = {'modules':{'base':'antie/devices/browserdevice','modifiers':[]},'streaming':{'video':{'mediaURIFormat':'%href%'}, 'audio':{'mediaURIFormat':'%href%'}}, 'input':{'map':{}},'layouts':[{'width':960,'height':540,'module':'fixtures/layouts/default','classes':['browserdevice540p']}],'deviceConfigurationKey':'devices-html5-1'};113 queuedApplicationInit(queue, 'lib/mockapplication', ['antie/mediasource'], function(application, MediaSource) {114 var MEDIA_URL1 = 'http://endpoint.invalid/video.mp4';115 var MEDIA_TYPE1 = 'video/mp4';116 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);117 var url = mediaSource1.getURL();118 application.destroy();119 assertEquals(MEDIA_URL1, url);120 }, config);121 };122 this.MediaSourceTest.prototype.testGetURLLiveStreamUsesUsualFormatter = function(queue) {123 expectAsserts(1);124 var config = {'modules':{'base':'antie/devices/browserdevice','modifiers':[]},'streaming':{'video':{'mediaURIFormat':'%href%|normal'}, 'audio':{'mediaURIFormat':'%href%'}}, 'input':{'map':{}},'layouts':[{'width':960,'height':540,'module':'fixtures/layouts/default','classes':['browserdevice540p']}],'deviceConfigurationKey':'devices-html5-1'};125 queuedApplicationInit(queue, 'lib/mockapplication', ['antie/mediasource'], function(application, MediaSource) {126 var MEDIA_URL2 = 'http://endpoint.invalid/video.mp4';127 var MEDIA_TYPE2 = 'application/vnd.apple.mpegurl';128 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE2);129 var url2 = mediaSource2.getURL();130 application.destroy();131 assertEquals(MEDIA_URL2 + '%7Cnormal', url2);132 }, config);133 };134 this.MediaSourceTest.prototype.testGetURLWithTags = function(queue) {135 expectAsserts(1);136 var config = {'modules':{'base':'antie/devices/browserdevice','modifiers':[]},'streaming':{'video':{'mediaURIFormat':'%href%'}, 'audio':{'mediaURIFormat':'%href%'}}, 'input':{'map':{}},'layouts':[{'width':960,'height':540,'module':'fixtures/layouts/default','classes':['browserdevice540p']}],'deviceConfigurationKey':'devices-html5-1'};137 queuedApplicationInit(queue, 'lib/mockapplication', ['antie/mediasource'], function(application, MediaSource) {138 var MEDIA_URL1 = '---%a%%b%%c%---...---%x%%x%%z%!';139 var MEDIA_TYPE1 = 'video/mp4';140 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);141 var url = mediaSource1.getURL({142 '%a%': 'AAA',143 '%b%': 'BBB',144 '%y%': '_Y_',145 '%z%': '_Z_'146 });147 application.destroy();148 assertEquals('---AAABBB%25c%25---...---%25x%25%25x%25_Z_!', url);149 }, config);150 };151 this.MediaSourceTest.prototype.testIsLiveStreamStatic = function(queue) {152 expectAsserts(2);153 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {154 var MEDIA_TYPE1 = 'video/mp4';155 var MEDIA_TYPE2 = 'application/vnd.apple.mpegurl';156 assertFalse(MediaSource.isLiveStream(MEDIA_TYPE1));157 assertTrue(MediaSource.isLiveStream(MEDIA_TYPE2));158 });159 };160 this.MediaSourceTest.prototype.testIsLiveStream = function(queue) {161 expectAsserts(2);162 queuedRequire(queue, ['antie/mediasource'], function(MediaSource) {163 var MEDIA_URL1 = 'http://endpoint.invalid/video_1.mp4';164 var MEDIA_URL2 = 'http://endpoint.invalid/video_2.mp4';165 var MEDIA_TYPE1 = 'video/mp4';166 var MEDIA_TYPE2 = 'application/vnd.apple.mpegurl';167 var mediaSource1 = new MediaSource(MEDIA_URL1, MEDIA_TYPE1);168 var mediaSource2 = new MediaSource(MEDIA_URL2, MEDIA_TYPE2);169 assertFalse(mediaSource1.isLiveStream());170 assertTrue(mediaSource2.isLiveStream());171 });172 };...

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mse.js

Source:mse.js Github

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1function onSourceOpen(videoTag, e) {2 var mediaSource = e.target;3 if (mediaSource.sourceBuffers.length > 0)4 return;5 var sourceBuffer = mediaSource.addSourceBuffer('video/webm; codecs="vorbis,vp8"');6 videoTag.addEventListener('seeking', onSeeking.bind(videoTag, mediaSource));7 videoTag.addEventListener('progress', onProgress.bind(videoTag, mediaSource));8 var initSegment = GetInitializationSegment();9 if (initSegment == null) {10 // Error fetching the initialization segment. Signal end of stream with an error.11 mediaSource.endOfStream("network");12 return;13 }14 // Append the initialization segment.15 var firstAppendHandler = function(e) {16 var sourceBuffer = e.target;17 sourceBuffer.removeEventListener('updateend', firstAppendHandler);18 // Append some initial media data.19 appendNextMediaSegment(mediaSource);20 };21 sourceBuffer.addEventListener('updateend', firstAppendHandler);22 sourceBuffer.appendBuffer(initSegment);23}24function appendNextMediaSegment(mediaSource) {25 if (mediaSource.readyState == "closed")26 return;27 // If we have run out of stream data, then signal end of stream.28 if (!HaveMoreMediaSegments()) {29 mediaSource.endOfStream();30 return;31 }32 // Make sure the previous append is not still pending.33 if (mediaSource.sourceBuffers[0].updating)34 return;35 var mediaSegment = GetNextMediaSegment();36 if (!mediaSegment) {37 // Error fetching the next media segment.38 mediaSource.endOfStream("network");39 return;40 }41 // NOTE: If mediaSource.readyState == “ended”, this appendBuffer() call will42 // cause mediaSource.readyState to transition to "open". The web application43 // should be prepared to handle multiple “sourceopen” events.44 mediaSource.sourceBuffers[0].appendBuffer(mediaSegment);45}46function onSeeking(mediaSource, e) {47 var video = e.target;48 if (mediaSource.readyState == "open") {49 // Abort current segment append.50 mediaSource.sourceBuffers[0].abort();51 }52 // Notify the media segment loading code to start fetching data at the53 // new playback position.54 SeekToMediaSegmentAt(video.currentTime);55 // Append a media segment from the new playback position.56 appendNextMediaSegment(mediaSource);57}58function onProgress(mediaSource, e) {59 appendNextMediaSegment(mediaSource);60}61var video = document.getElementById('v');62var mediaSource = new MediaSource();63mediaSource.addEventListener('sourceopen', onSourceOpen.bind(this, video));64video.src = window.URL.createObjectURL(mediaSource);65var video = document.querySelector('video');66var assetURL = 'frag_bunny.mp4';67// Need to be specific for Blink regarding codecs68// ./mp4info frag_bunny.mp4 | grep Codec69var mimeCodec = 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"';70if ('MediaSource' in window && MediaSource.isTypeSupported(mimeCodec)) {71 var mediaSource = new MediaSource;72 //console.log(mediaSource.readyState); // closed73 video.src = URL.createObjectURL(mediaSource);74 mediaSource.addEventListener('sourceopen', sourceOpen);75} else {76 console.error('Unsupported MIME type or codec: ', mimeCodec);77}78function sourceOpen (_) {79 //console.log(this.readyState); // open80 var mediaSource = this;81 var sourceBuffer = mediaSource.addSourceBuffer(mimeCodec);82 fetchAB(assetURL, function (buf) {83 sourceBuffer.addEventListener('updateend', function (_) {84 mediaSource.endOfStream();85 video.play();86 //console.log(mediaSource.readyState); // ended87 });88 sourceBuffer.appendBuffer(buf);89 });90};91function fetchAB (url, cb) {92 console.log(url);93 var xhr = new XMLHttpRequest;94 xhr.open('get', url);95 xhr.responseType = 'arraybuffer';96 xhr.onload = function () {97 cb(xhr.response);98 };99 xhr.send();...

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mediaPlayer.js

Source:mediaPlayer.js Github

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1$(document).ready(function(){2 let media = new MediaService();3 let connection = new Connection();4 let service = new Services();5 let cache = 0;6 let lastRefresh = service.getData('Services/getLastRefresh');7 cache = lastRefresh.time;8 let sse = new EventSource(connection.BASE_URL+'broadcast.php');9 let result = service.getData('ComponentService/getMedia');10 let mediaSource = result.data;11 let mediaData = [];12 for (let i = 0; i < mediaSource.length; i++) {13 mediaData.push({14 src: connection.BASE_URL+mediaSource[i].source,15 type: mediaSource[i].type,16 mediaType: mediaSource[i].media_type,17 imageDuration: mediaSource[i].image_duration18 });19 }20 media.setData(mediaData);21 console.log(media.getData());22 sse.addEventListener('refresh',function (e) {23 if (e.data !== 'null'){24 let response = JSON.parse(e.data);25 if (response.time !== cache ){26 if (response.data === 'add-media'){27 pushMedia();28 }else{29 pullMedia();30 }31 cache = response.time;32 }33 }34 });35 function pushMedia()36 {37 let mediaStack = service.getData('ComponentService/getMedia');38 let topOfStack = mediaStack.data[(mediaStack.data.length-1)];39 media.pushData({40 'imageDuration' : topOfStack.image_duration,41 'mediaType' : topOfStack.media_type,42 'src' : connection.BASE_URL+topOfStack.source,43 'type' : topOfStack.type44 });45 console.log(media.getData());46 }47 function pullMedia()48 {49 let result = service.getData('ComponentService/getMedia');50 let mediaSource = result.data;51 let mediaData = [];52 for (let i = 0; i < mediaSource.length; i++) {53 mediaData.push({54 src: connection.BASE_URL+mediaSource[i].source,55 type: mediaSource[i].type,56 mediaType: mediaSource[i].media_type,57 imageDuration: mediaSource[i].image_duration58 });59 }60 media.setData(mediaData);61 console.log(media.getData());62 }63 media.play(mediaData[0]);...

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Using AI Code Generation

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1var mediaSource = new MediaSource();2mediaSource.addEventListener('sourceopen', function(e) {3 var sourceBuffer = mediaSource.addSourceBuffer('video/webm; codecs="vorbis,vp8"');4 sourceBuffer.addEventListener('updateend', function(e) {5 if (sourceBuffer.updating && mediaSource.readyState == 'open') {6 mediaSource.endOfStream();7 }8 });9 fetch('video.webm').then(function(response) {10 return response.arrayBuffer();11 }).then(function(arrayBuffer) {12 sourceBuffer.appendBuffer(arrayBuffer);13 });14});15var video = document.querySelector('video');16video.src = window.URL.createObjectURL(mediaSource);17var mediaSource = new MediaSource();18mediaSource.addEventListener('sourceopen', function(e) {19 var sourceBuffer = mediaSource.addSourceBuffer('video/webm; codecs="vorbis,vp8"');20 sourceBuffer.addEventListener('updateend', function(e) {21 if (sourceBuffer.updating && mediaSource.readyState == 'open') {22 mediaSource.endOfStream();23 }24 });25 fetch('video.webm').then(function(response) {26 return response.arrayBuffer();27 }).then(function(arrayBuffer) {28 sourceBuffer.appendBuffer(arrayBuffer);29 });30});31var video = document.createElement('video');32video.src = window.URL.createObjectURL(mediaSource);33document.body.appendChild(video);34var mediaSource = new MediaSource();35mediaSource.addEventListener('sourceopen', function(e) {36 var sourceBuffer = mediaSource.addSourceBuffer('video/webm; codecs="vorbis,vp8"');37 sourceBuffer.addEventListener('updateend', function(e) {38 if (sourceBuffer.updating && mediaSource.readyState == 'open') {39 mediaSource.endOfStream();40 }41 });42 fetch('video.webm').then(function(response) {43 return response.arrayBuffer();44 }).then(function(arrayBuffer) {45 sourceBuffer.appendBuffer(arrayBuffer);46 });47});

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Using AI Code Generation

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1var wpt = require('webpagetest');2var api = new wpt('www.webpagetest.org');3 videoParams: {4 }5}, function(err, data) {6 console.log(data.data.median.firstView.videoFrames);7 console.log(data.data.median.firstView.videoURL);8});

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Using AI Code Generation

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1var page = require('webpage').create();2var system = require('system');3var url = system.args[1];4var testId = system.args[2];5var testRun = system.args[3];6var testIndex = system.args[4];7var browser = system.args[5];8var location = system.args[6];9var connectivity = system.args[7];10var label = system.args[8];11var run = system.args[9];12var fvonly = system.args[10];13var timeout = system.args[11];14var tcpdump = system.args[12];15var netlog = system.args[13];16var netlogPrivate = system.args[14];17var block = system.args[15];18var video = system.args[16];19var videoFormat = system.args[17];20var videoCodec = system.args[18];21var videoWidth = system.args[19];22var videoHeight = system.args[20];23var videoFrameRate = system.args[21];24var videoBitrate = system.args[22];25var videoBuffer = system.args[23];26var videoPlaybackRate = system.args[24];27var videoRampUp = system.args[25];28var videoRampDown = system.args[26];29var videoTimeToBuffer = system.args[27];30var videoTimeToPlay = system.args[28];31var videoTimeToFirstFrame = system.args[29];32var videoTimeToFirstFrameStart = system.args[30];33var videoTimeToFirstFrameEnd = system.args[31];34var videoTimeToPlayStart = system.args[32];35var videoTimeToPlayEnd = system.args[33];36var videoTimeToBufferStart = system.args[34];37var videoTimeToBufferEnd = system.args[35];38var videoPlaybackRateStart = system.args[36];39var videoPlaybackRateEnd = system.args[37];40var videoBufferStart = system.args[38];41var videoBufferEnd = system.args[39];42var videoRampUpStart = system.args[40];43var videoRampUpEnd = system.args[41];44var videoRampDownStart = system.args[42];45var videoRampDownEnd = system.args[43];46var videoPlayTime = system.args[44];47var videoPlayTimeStart = system.args[45];48var videoPlayTimeEnd = system.args[46];49var videoBytes = system.args[47];

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Using AI Code Generation

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1var start = Date.now();2var mediaSource = new MediaSource();3mediaSource.addEventListener('sourceopen', function() {4 var sourceBuffer = mediaSource.addSourceBuffer('video/webm; codecs="vorbis,vp8"');5 var xhr = new XMLHttpRequest();6 xhr.open('GET', url);7 xhr.responseType = 'arraybuffer';8 xhr.onload = function() {9 sourceBuffer.appendBuffer(xhr.response);10 sourceBuffer.addEventListener('updateend', function() {11 console.log('Time to appendBuffer: ' + (Date.now() - start));12 mediaSource.endOfStream();13 console.log('Time to endOfStream: ' + (Date.now() - start));14 });15 };16 xhr.send();17});18var video = document.querySelector('video');19video.src = URL.createObjectURL(mediaSource);

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Using AI Code Generation

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1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org', 'A.4b4f4e4b4f4e4b4f4e4b4f4e4b4f4e4b');3 if (err) return console.error(err);4 console.log('Test submitted. View your test at %s%s', wpt.testUrl, data.data.testId);5 wpt.getTestResults(data.data.testId, function(err, data) {6 if (err) return console.error(err);7 console.log('Test completed. View your test at %s%s', wpt.testUrl, data.data.testId);8 console.log('Video available at %s', data.data.median.video);9 });10});

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