3 <title>Test media source config changes.</title>
5 <body onload="runTest();">
6 <video controls></video>
7 <script src="media_utils.js" type="text/javascript"></script>
8 <script src="media_source_utils.js" type="text/javascript"></script>
9 <script src="encrypted_media_utils.js" type="text/javascript"></script>
10 <script type="text/javascript">
11 var runEncrypted = QueryString.runEncrypted == 1;
12 var video = document.querySelector('video');
13 var mediaType = 'video/webm; codecs="vorbis, vp8"';
15 var MEDIA_1 = 'bear-320x240.webm';
16 var MEDIA_2 = 'bear-640x360.webm';
18 MEDIA_1 = 'bear-320x240-av-enc_av.webm';
19 MEDIA_2 = 'bear-640x360-av-enc_av.webm';
22 var MEDIA_1_WIDTH = 320;
23 var MEDIA_1_HEIGHT = 240;
25 var MEDIA_2_WIDTH = 640;
26 var MEDIA_2_HEIGHT = 360;
27 var MEDIA_2_LENGTH = 2.75;
29 // The time in secs to append the second media source.
31 // DELTA is the time after APPEND_TIME where the second video dimensions
32 // are guaranteed to take effect.
34 // Append MEDIA_2 source at APPEND_TIME, so expected total duration is:
35 var TOTAL_DURATION = APPEND_TIME + MEDIA_2_LENGTH;
37 function appendNextSource(mediaSource) {
38 console.log('Appending next media source at ' + APPEND_TIME + 'sec.');
39 var xhr = new XMLHttpRequest();
40 xhr.open("GET", MEDIA_2);
41 xhr.responseType = 'arraybuffer';
42 xhr.addEventListener('load', function(e) {
43 var onUpdateEnd = function(e) {
44 console.log('Second buffer append ended.');
45 srcBuffer.removeEventListener('updateend', onUpdateEnd);
46 mediaSource.endOfStream();
47 if (!mediaSource.duration ||
48 Math.abs(mediaSource.duration - TOTAL_DURATION) > DELTA) {
49 failTest('Unexpected mediaSource.duration = ' +
50 mediaSource.duration + ', expected duration = ' +
56 console.log('Appending next media source at ' + APPEND_TIME + 'sec.');
57 var srcBuffer = mediaSource.sourceBuffers[0];
58 srcBuffer.addEventListener('updateend', onUpdateEnd);
59 srcBuffer.timestampOffset = APPEND_TIME;
60 srcBuffer.appendBuffer(new Uint8Array(e.target.response));
65 function onTimeUpdate() {
67 //checkVideoProperties();
69 // Seek to APPEND_TIME because after a seek a timeUpdate event is fired
70 // before video width and height properties get updated.
71 if (video.currentTime < APPEND_TIME - DELTA) {
72 // Seek to save test execution time (about 1 secs) and to test seek
73 // on the first buffer.
74 video.currentTime = APPEND_TIME - DELTA;
75 } else if (video.currentTime > APPEND_TIME + DELTA) {
76 // Check video duration here to guarantee that second segment has been
77 // appended and video total duration is updated.
78 // Video duration is a float value so we check it within a range.
79 if (!video.duration ||
80 Math.abs(video.duration - TOTAL_DURATION) > DELTA) {
81 failTest('Unexpected video.duration = ' + video.duration +
82 ', expected duration = ' + TOTAL_DURATION);
86 video.removeEventListener('timeupdate', onTimeUpdate);
87 video.removeEventListener('ended', failTest);
88 installTitleEventHandler(video, 'ended');
89 // Seek to save test execution time and to test seek on second buffer.
90 video.currentTime = APPEND_TIME + MEDIA_2_LENGTH * 0.9;
94 function checkVideoProperties() {
95 if (video.currentTime <= APPEND_TIME) {
96 if (video.videoWidth != MEDIA_1_WIDTH ||
97 video.videoHeight != MEDIA_1_HEIGHT) {
99 failTest('Unexpected dimensions for first video segment.');
102 } else if (video.currentTime >= APPEND_TIME + DELTA) {
103 if (video.videoWidth != MEDIA_2_WIDTH ||
104 video.videoHeight != MEDIA_2_HEIGHT) {
105 logVideoDimensions();
106 failTest('Unexpected dimensions for second video segment.');
112 function logVideoDimensions() {
113 console.log('video.currentTime = ' + video.currentTime +
114 ', video dimensions = ' + video.videoWidth + 'x' +
115 video.videoHeight + '.');
119 video.addEventListener('timeupdate', onTimeUpdate);
120 video.addEventListener('ended', failTest);
122 loadEncryptedMedia(video, MEDIA_1, keySystem, KEY, true,
125 var mediaSource = loadMediaSource(MEDIA_1, mediaType,
127 video.src = window.URL.createObjectURL(mediaSource);