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Diffstat (limited to 'testing/web-platform/tests/media-source/mediasource-util.js')
| -rw-r--r-- | testing/web-platform/tests/media-source/mediasource-util.js | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/testing/web-platform/tests/media-source/mediasource-util.js b/testing/web-platform/tests/media-source/mediasource-util.js new file mode 100644 index 000000000..15a56e83f --- /dev/null +++ b/testing/web-platform/tests/media-source/mediasource-util.js @@ -0,0 +1,407 @@ +(function(window) { + var SEGMENT_INFO_LIST = [ + { + url: 'mp4/test.mp4', + type: 'video/mp4; codecs="mp4a.40.2,avc1.4d400d"', + duration: 6.549, + init: { offset: 0, size: 1413 }, + media: [ + { offset: 1413, size: 24034, timev: 0.095000, timea: 0, endtimev: 0.896666, endtimea: 0.882358 }, + { offset: 25447, size: 21757, timev: 0.896666, timea: 0.882358, endtimev: 1.696666, endtimea: 1.671836 }, + { offset: 47204, size: 23591, timev: 1.696666, timea: 1.671836, endtimev: 2.498333, endtimea: 2.461315 }, + { offset: 70795, size: 22614, timev: 2.498333, timea: 2.461315, endtimev: 3.298333, endtimea: 3.297233 }, + { offset: 93409, size: 18353, timev: 3.298333, timea: 3.297233, endtimev: 4.100000, endtimea: 4.086712}, + { offset: 111762, size: 23935, timev: 4.100000, timea: 4.086712, endtimev: 4.900000, endtimea: 4.876190 }, + { offset: 135697, size: 21911, timev: 4.900000, timea: 4.876190, endtimev: 5.701666, endtimea: 5.665668 }, + { offset: 157608, size: 23776, timev: 5.701666, timea: 5.665668, endtimev: 6.501666, endtimea: 6.501587 }, + { offset: 181384, size: 5843, timev: 6.501666, timea: 6.501587, endtimev: 6.501666, endtimea: 6.501678 }, + ] + }, + { + url: 'webm/test.webm', + type: 'video/webm; codecs="vp8, vorbis"', + duration: 6.552, + init: { offset: 0, size: 4116 }, + media: [ + { offset: 4116, size: 26583, timev: 0.112000, timea: 0, endtimev: 0.913000, endtimea: 0.912000 }, + { offset: 30699, size: 20555, timev: 0.913000, timea: 0.912000, endtimev: 1.714000, endtimea: 1.701000 }, + { offset: 51254, size: 22668, timev: 1.714000, timea: 1.701000, endtimev: 2.515000, endtimea: 2.514000 }, + { offset: 73922, size: 21943, timev: 2.515000, timea: 2.514000, endtimev: 3.315000, endtimea: 3.303000 }, + { offset: 95865, size: 23015, timev: 3.315000, timea: 3.303000, endtimev: 4.116000, endtimea: 4.093000}, + { offset: 118880, size: 20406, timev: 4.116000, timea: 4.093000, endtimev: 4.917000, endtimea: 4.906000 }, + { offset: 139286, size: 21537, timev: 4.917000, timea: 4.906000, endtimev: 5.718000, endtimea: 5.695000 }, + { offset: 160823, size: 24027, timev: 5.718000, timea: 5.695000, endtimev: 6.519000, endtimea: 6.508000 }, + { offset: 184850, size: 5955, timev: 6.519000, timea: 6.508000, endtimev: 6.577000, endtimea: 6.577000}, + ], + } + ]; + EventExpectationsManager = function(test) + { + this.test_ = test; + this.eventTargetList_ = []; + this.waitCallbacks_ = []; + }; + + EventExpectationsManager.prototype.expectEvent = function(object, eventName, description) + { + var eventInfo = { 'target': object, 'type': eventName, 'description': description}; + var expectations = this.getExpectations_(object); + expectations.push(eventInfo); + + var t = this; + var waitHandler = this.test_.step_func(this.handleWaitCallback_.bind(this)); + var eventHandler = this.test_.step_func(function(event) + { + object.removeEventListener(eventName, eventHandler); + var expected = expectations[0]; + assert_equals(event.target, expected.target, "Event target match."); + assert_equals(event.type, expected.type, "Event types match."); + assert_equals(eventInfo.description, expected.description, "Descriptions match for '" + event.type + "'."); + + expectations.shift(1); + if (t.waitCallbacks_.length > 1) + setTimeout(waitHandler, 0); + else if (t.waitCallbacks_.length == 1) { + // Immediately call the callback. + waitHandler(); + } + }); + object.addEventListener(eventName, eventHandler); + }; + + EventExpectationsManager.prototype.waitForExpectedEvents = function(callback) + { + this.waitCallbacks_.push(callback); + setTimeout(this.test_.step_func(this.handleWaitCallback_.bind(this)), 0); + }; + + EventExpectationsManager.prototype.expectingEvents = function() + { + for (var i = 0; i < this.eventTargetList_.length; ++i) { + if (this.eventTargetList_[i].expectations.length > 0) { + return true; + } + } + return false; + } + + EventExpectationsManager.prototype.handleWaitCallback_ = function() + { + if (this.waitCallbacks_.length == 0 || this.expectingEvents()) + return; + var callback = this.waitCallbacks_.shift(1); + callback(); + }; + + EventExpectationsManager.prototype.getExpectations_ = function(target) + { + for (var i = 0; i < this.eventTargetList_.length; ++i) { + var info = this.eventTargetList_[i]; + if (info.target == target) { + return info.expectations; + } + } + var expectations = []; + this.eventTargetList_.push({ 'target': target, 'expectations': expectations }); + return expectations; + }; + + function loadData_(test, url, callback, isBinary) + { + var request = new XMLHttpRequest(); + request.open("GET", url, true); + if (isBinary) { + request.responseType = 'arraybuffer'; + } + request.onload = test.step_func(function(event) + { + if (request.status != 200) { + assert_unreached("Unexpected status code : " + request.status); + return; + } + var response = request.response; + if (isBinary) { + response = new Uint8Array(response); + } + callback(response); + }); + request.onerror = test.step_func(function(event) + { + assert_unreached("Unexpected error"); + }); + request.send(); + } + + function openMediaSource_(test, mediaTag, callback) + { + var mediaSource = new MediaSource(); + var mediaSourceURL = URL.createObjectURL(mediaSource); + + var eventHandler = test.step_func(onSourceOpen); + function onSourceOpen(event) + { + mediaSource.removeEventListener('sourceopen', eventHandler); + URL.revokeObjectURL(mediaSourceURL); + callback(mediaSource); + } + + mediaSource.addEventListener('sourceopen', eventHandler); + mediaTag.src = mediaSourceURL; + } + + var MediaSourceUtil = {}; + + MediaSourceUtil.loadTextData = function(test, url, callback) + { + loadData_(test, url, callback, false); + }; + + MediaSourceUtil.loadBinaryData = function(test, url, callback) + { + loadData_(test, url, callback, true); + }; + + MediaSourceUtil.fetchManifestAndData = function(test, manifestFilename, callback) + { + var baseURL = ''; + var manifestURL = baseURL + manifestFilename; + MediaSourceUtil.loadTextData(test, manifestURL, function(manifestText) + { + var manifest = JSON.parse(manifestText); + + assert_true(MediaSource.isTypeSupported(manifest.type), manifest.type + " is supported."); + + var mediaURL = baseURL + manifest.url; + MediaSourceUtil.loadBinaryData(test, mediaURL, function(mediaData) + { + callback(manifest.type, mediaData); + }); + }); + }; + + MediaSourceUtil.extractSegmentData = function(mediaData, info) + { + var start = info.offset; + var end = start + info.size; + return mediaData.subarray(start, end); + } + + MediaSourceUtil.getMediaDataForPlaybackTime = function(mediaData, segmentInfo, playbackTimeToAdd) + { + assert_less_than_equal(playbackTimeToAdd, segmentInfo.duration); + var mediaInfo = segmentInfo.media; + var start = mediaInfo[0].offset; + var numBytes = 0; + var segmentIndex = 0; + while (segmentIndex < mediaInfo.length + && Math.min(mediaInfo[segmentIndex].timev, mediaInfo[segmentIndex].timea) <= playbackTimeToAdd) + { + numBytes += mediaInfo[segmentIndex].size; + ++segmentIndex; + } + return mediaData.subarray(start, numBytes + start); + } + + function getFirstSupportedType(typeList) + { + for (var i = 0; i < typeList.length; ++i) { + if (window.MediaSource && MediaSource.isTypeSupported(typeList[i])) + return typeList[i]; + } + return ""; + } + + function getSegmentInfo() + { + for (var i = 0; i < SEGMENT_INFO_LIST.length; ++i) { + var segmentInfo = SEGMENT_INFO_LIST[i]; + if (window.MediaSource && MediaSource.isTypeSupported(segmentInfo.type)) { + return segmentInfo; + } + } + return null; + } + + var audioOnlyTypes = ['audio/mp4;codecs="mp4a.40.2"', 'audio/webm;codecs="vorbis"']; + var videoOnlyTypes = ['video/mp4;codecs="avc1.4D4001"', 'video/webm;codecs="vp8"']; + var audioVideoTypes = ['video/mp4;codecs="avc1.4D4001,mp4a.40.2"', 'video/webm;codecs="vp8,vorbis"']; + MediaSourceUtil.AUDIO_ONLY_TYPE = getFirstSupportedType(audioOnlyTypes); + MediaSourceUtil.VIDEO_ONLY_TYPE = getFirstSupportedType(videoOnlyTypes); + MediaSourceUtil.AUDIO_VIDEO_TYPE = getFirstSupportedType(audioVideoTypes); + MediaSourceUtil.SEGMENT_INFO = getSegmentInfo(); + + MediaSourceUtil.getSubType = function(mimetype) { + var slashIndex = mimetype.indexOf("/"); + var semicolonIndex = mimetype.indexOf(";"); + if (slashIndex <= 0) { + assert_unreached("Invalid mimetype '" + mimetype + "'"); + return; + } + + var start = slashIndex + 1; + if (semicolonIndex >= 0) { + if (semicolonIndex <= start) { + assert_unreached("Invalid mimetype '" + mimetype + "'"); + return; + } + + return mimetype.substr(start, semicolonIndex - start) + } + + return mimetype.substr(start); + }; + + MediaSourceUtil.append = function(test, sourceBuffer, data, callback) + { + function onUpdate() { + sourceBuffer.removeEventListener("update", onUpdate); + callback(); + } + sourceBuffer.addEventListener("update", onUpdate); + + sourceBuffer.addEventListener('error', test.unreached_func("Unexpected event 'error'")); + + sourceBuffer.appendBuffer(data); + }; + + MediaSourceUtil.appendUntilEventFires = function(test, mediaElement, eventName, sourceBuffer, mediaData, segmentInfo, startingIndex) + { + var eventFired = false; + function onEvent() { + mediaElement.removeEventListener(eventName, onEvent); + eventFired = true; + } + mediaElement.addEventListener(eventName, onEvent); + + var i = startingIndex; + var onAppendDone = function() { + if (eventFired || (i >= (segmentInfo.media.length - 1))) + return; + + i++; + if (i < segmentInfo.media.length) + { + MediaSourceUtil.append(test, sourceBuffer, MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[i]), onAppendDone); + } + }; + MediaSourceUtil.append(test, sourceBuffer, MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[i]), onAppendDone); + + }; + + function addExtraTestMethods(test) + { + test.eventExpectations_ = new EventExpectationsManager(test); + test.expectEvent = function(object, eventName, description) + { + test.eventExpectations_.expectEvent(object, eventName, description); + }; + + test.waitForExpectedEvents = function(callback) + { + test.eventExpectations_.waitForExpectedEvents(callback); + }; + + test.waitForCurrentTimeChange = function(mediaElement, callback) + { + var initialTime = mediaElement.currentTime; + + var onTimeUpdate = test.step_func(function() + { + if (mediaElement.currentTime != initialTime) { + mediaElement.removeEventListener('timeupdate', onTimeUpdate); + callback(); + } + }); + + mediaElement.addEventListener('timeupdate', onTimeUpdate); + } + + var oldTestDone = test.done.bind(test); + test.done = function() + { + if (test.status == test.PASS) { + assert_false(test.eventExpectations_.expectingEvents(), "No pending event expectations."); + } + oldTestDone(); + }; + }; + + window['MediaSourceUtil'] = MediaSourceUtil; + window['media_test'] = function(testFunction, description, options) + { + options = options || {}; + return async_test(function(test) + { + addExtraTestMethods(test); + testFunction(test); + }, description, options); + }; + window['mediasource_test'] = function(testFunction, description, options) + { + return media_test(function(test) + { + var mediaTag = document.createElement("video"); + if (!document.body) { + document.body = document.createElement("body"); + } + document.body.appendChild(mediaTag); + + test.removeMediaElement_ = true; + test.add_cleanup(function() + { + if (test.removeMediaElement_) { + document.body.removeChild(mediaTag); + test.removeMediaElement_ = false; + } + }); + + openMediaSource_(test, mediaTag, function(mediaSource) + { + testFunction(test, mediaTag, mediaSource); + }); + }, description, options); + }; + + window['mediasource_testafterdataloaded'] = function(testFunction, description, options) + { + mediasource_test(function(test, mediaElement, mediaSource) + { + var segmentInfo = MediaSourceUtil.SEGMENT_INFO; + + if (!segmentInfo) { + assert_unreached("No segment info compatible with this MediaSource implementation."); + return; + } + + mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'")); + + var sourceBuffer = mediaSource.addSourceBuffer(segmentInfo.type); + MediaSourceUtil.loadBinaryData(test, segmentInfo.url, function(mediaData) + { + testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData); + }); + }, description, options); + } + + function timeRangesToString(ranges) + { + var s = "{"; + for (var i = 0; i < ranges.length; ++i) { + s += " [" + ranges.start(i).toFixed(3) + ", " + ranges.end(i).toFixed(3) + ")"; + } + return s + " }"; + } + + window['assertBufferedEquals'] = function(obj, expected, description) + { + var actual = timeRangesToString(obj.buffered); + assert_equals(actual, expected, description); + }; + + window['assertSeekableEquals'] = function(obj, expected, description) + { + var actual = timeRangesToString(obj.seekable); + assert_equals(actual, expected, description); + }; + +})(window); |