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<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
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<head>
<title>SourceBuffer.buffered test cases.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
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<body>
<div id="log"></div>
<script>
var subType = MediaSourceUtil.getSubType(MediaSourceUtil.AUDIO_ONLY_TYPE);
var manifestFilenameA = subType + "/test-a-128k-44100Hz-1ch-manifest.json";
var manifestFilenameB = subType + "/test-v-128k-320x240-30fps-10kfr-manifest.json";
// Audio track expectations
var expectationsA = {
webm: "{ [0.000, 2.023) }",
mp4: "{ [0.000, 2.043) }",
};
// Video track expectations
var expectationsB = {
webm: "{ [0.000, 2.001) }",
mp4: "{ [0.067, 2.067) }",
};
// Audio and Video intersection expectations.
// https://w3c.github.io/media-source/index.html#dom-sourcebuffer-buffered
// When mediaSource.readyState is "ended", then set the end time on the last range in track ranges to highest end time.
var expectationsC = {
webm: ["{ [0.000, 2.001) }", "{ [0.000, 2.023) }"],
mp4: ["{ [0.067, 2.043) }", "{ [0.067, 2.067) }"]
};
function mediaSourceDemuxedTest(callback, description)
{
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.pause();
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
mediaElement.addEventListener("ended", test.step_func_done());
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameA, function(typeA, dataA)
{
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameB, function(typeB, dataB)
{
mediaSource.addSourceBuffer(typeA);
mediaSource.addSourceBuffer(typeB);
assert_equals(mediaSource.sourceBuffers.length, 2);
callback(test, mediaElement, mediaSource, dataA, dataB);
});
});
}, description);
};
function appendData(test, mediaSource, dataA, dataB, callback)
{
var sourceBufferA = mediaSource.sourceBuffers[0];
var sourceBufferB = mediaSource.sourceBuffers[1];
test.expectEvent(sourceBufferA, "update");
test.expectEvent(sourceBufferA, "updateend");
sourceBufferA.appendBuffer(dataA);
test.expectEvent(sourceBufferB, "update");
test.expectEvent(sourceBufferB, "updateend");
sourceBufferB.appendBuffer(dataB);
test.waitForExpectedEvents(function()
{
callback();
});
}
mediaSourceDemuxedTest(function(test, mediaElement, mediaSource, dataA, dataB) {
test.expectEvent(mediaElement, "loadedmetadata");
appendData(test, mediaSource, dataA, dataB, function()
{
var expectedBeforeEndOfStreamIntersection = expectationsC[subType][0];
var expectedAfterEndOfStreamIntersection = expectationsC[subType][1];
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectationsA[subType], "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaSource.activeSourceBuffers[1], expectationsB[subType], "mediaSource.activeSourceBuffers[1]");
assertBufferedEquals(mediaElement, expectedBeforeEndOfStreamIntersection, "mediaElement.buffered");
mediaSource.endOfStream();
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectationsA[subType], "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaSource.activeSourceBuffers[1], expectationsB[subType], "mediaSource.activeSourceBuffers[1]");
assertBufferedEquals(mediaElement, expectedAfterEndOfStreamIntersection, "mediaElement.buffered");
test.done();
});
}, "Demuxed content with different lengths");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.pause();
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
mediaElement.addEventListener("ended", test.step_func_done());
MediaSourceUtil.fetchManifestAndData(test, subType + "/test-av-384k-44100Hz-1ch-320x240-30fps-10kfr-manifest.json", function(type, data)
{
var sourceBuffer = mediaSource.addSourceBuffer(type);
test.expectEvent(sourceBuffer, "update");
test.expectEvent(sourceBuffer, "updateend");
sourceBuffer.appendBuffer(data);
test.waitForExpectedEvents(function()
{
var expectationsAV = {
webm: ["{ [0.003, 2.004) }", "{ [0.003, 2.023) }"],
mp4: ["{ [0.067, 2.043) }", "{ [0.067, 2.067) }"],
};
var expectedBeforeEndOfStream = expectationsAV[subType][0];
var expectedAfterEndOfStream = expectationsAV[subType][1];
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectedBeforeEndOfStream, "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaElement, expectedBeforeEndOfStream, "mediaElement.buffered");
mediaSource.endOfStream();
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectedAfterEndOfStream, "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaElement, expectedAfterEndOfStream, "mediaElement.buffered");
test.done();
});
});
}, "Muxed content with different lengths");
mediaSourceDemuxedTest(function(test, mediaElement, mediaSource, dataA, dataB) {
var dataBSize = {
webm: 318,
mp4: 835,
};
test.expectEvent(mediaElement, "loadedmetadata");
appendData(test, mediaSource, dataA, dataB.subarray(0, dataBSize[subType]), function()
{
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectationsA[subType], "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaSource.activeSourceBuffers[1], "{ }", "mediaSource.activeSourceBuffers[1]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
mediaSource.endOfStream();
assertBufferedEquals(mediaSource.activeSourceBuffers[0], expectationsA[subType], "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaSource.activeSourceBuffers[1], "{ }", "mediaSource.activeSourceBuffers[1]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
test.done();
});
}, "Demuxed content with an empty buffered range on one SourceBuffer");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.pause();
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
mediaElement.addEventListener("ended", test.step_func_done());
MediaSourceUtil.fetchManifestAndData(test, subType + "/test-av-384k-44100Hz-1ch-320x240-30fps-10kfr-manifest.json", function(type, data)
{
var sourceBuffer = mediaSource.addSourceBuffer(type);
test.expectEvent(mediaElement, "loadedmetadata");
test.expectEvent(sourceBuffer, "update");
test.expectEvent(sourceBuffer, "updateend");
sourceBuffer.appendBuffer(data.subarray(0, 4052));
test.waitForExpectedEvents(function()
{
assertBufferedEquals(mediaSource.activeSourceBuffers[0], "{ }", "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
mediaSource.endOfStream();
assertBufferedEquals(mediaSource.activeSourceBuffers[0], "{ }", "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
test.done();
});
});
}, "Muxed content empty buffered ranges.");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.pause();
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
mediaElement.addEventListener("ended", test.step_func_done());
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
assertBufferedEquals(mediaSource.sourceBuffers[0], "{ }", "mediaSource.sourceBuffers[0]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
test.done();
}, "Get buffered range when sourcebuffer is empty.");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
test.expectEvent(mediaElement, "loadedmetadata");
test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
sourceBuffer.appendBuffer(initSegment);
test.waitForExpectedEvents(function()
{
assertBufferedEquals(mediaSource.sourceBuffers[0], "{ }", "mediaSource.sourceBuffers[0]");
assertBufferedEquals(mediaSource.activeSourceBuffers[0], "{ }", "mediaSource.activeSourceBuffers[0]");
assertBufferedEquals(mediaElement, "{ }", "mediaElement.buffered");
test.done();
});
}, "Get buffered range when only init segment is appended.");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
test.expectEvent(mediaSource.sourceBuffers, "removesourcebuffer", "SourceBuffer removed.");
mediaSource.removeSourceBuffer(sourceBuffer);
test.waitForExpectedEvents(function()
{
assert_throws_dom("InvalidStateError",
function() { sourceBuffer.buffered; },
"get sourceBuffer.buffered throws an exception for InvalidStateError.");
test.done();
});
}, "Get buffered range after removing sourcebuffer.");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.pause();
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
mediaElement.addEventListener("ended", test.step_func_done());
var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_ONLY_TYPE);
assert_equals(mediaSource.sourceBuffers[0].buffered , mediaSource.sourceBuffers[0].buffered);
test.done();
}, "buffered return the same object over multiple calls.");
</script>
</body>
</html>
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