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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/media-source/mediasource-sequencemode-append-buffer.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
+<html>
+ <head>
+ <title>SourceBuffer.mode == "sequence" test cases.</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ <script src="mediasource-util.js"></script>
+ </head>
+ <body>
+ <div id="log"></div>
+ <script>
+ function mediasource_sequencemode_test(testFunction, description, options)
+ {
+ return mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.media.length, 3, "at least 3 media segments for supported type");
+ mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
+ sourceBuffer.mode = "sequence";
+ assert_equals(sourceBuffer.mode, "sequence", "mode after setting it to \"sequence\"");
+
+ var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
+ test.expectEvent(sourceBuffer, "updatestart", "initSegment append started.");
+ test.expectEvent(sourceBuffer, "update", "initSegment append success.");
+ test.expectEvent(sourceBuffer, "updateend", "initSegment append ended.");
+ sourceBuffer.appendBuffer(initSegment);
+ test.waitForExpectedEvents(function()
+ {
+ assert_equals(sourceBuffer.timestampOffset, 0, "timestampOffset initially 0");
+ testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData);
+ });
+ }, description, options);
+ }
+
+ function append_segment(test, sourceBuffer, mediaData, info, callback)
+ {
+ var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, info);
+ test.expectEvent(sourceBuffer, "updatestart", "media segment append started.");
+ test.expectEvent(sourceBuffer, "update", "media segment append success.");
+ test.expectEvent(sourceBuffer, "updateend", "media segment append ended.");
+ sourceBuffer.appendBuffer(mediaSegment);
+ test.waitForExpectedEvents(callback);
+ }
+
+ // Verifies expected times to 3 decimal places before and after mediaSource.endOfStream(),
+ // and calls |callback| on success.
+ function verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ expectedTimestampOffset, expectedBufferedRangeStartTime,
+ expectedBufferedRangeMaxEndTimeBeforeEOS,
+ expectedBufferedRangeEndTimeAfterEOS,
+ callback) {
+ assert_approx_equals(sourceBuffer.timestampOffset,
+ expectedTimestampOffset,
+ 0.001,
+ "expectedTimestampOffset");
+
+ // Prior to EOS, the buffered range end time may not have fully reached the next media
+ // segment's timecode (adjusted by any timestampOffset). It should not exceed it though.
+ // Therefore, an exact assertBufferedEquals() will not work here.
+ assert_greater_than(sourceBuffer.buffered.length, 0, "sourceBuffer.buffered has at least 1 range before EOS");
+ assert_approx_equals(sourceBuffer.buffered.start(0),
+ expectedBufferedRangeStartTime,
+ 0.001,
+ "sourceBuffer.buffered range begins where expected before EOS");
+ assert_less_than_equal(sourceBuffer.buffered.end(0),
+ expectedBufferedRangeMaxEndTimeBeforeEOS + 0.001,
+ "sourceBuffer.buffered range ends at or before expected upper bound before EOS");
+
+ test.expectEvent(mediaSource, "sourceended", "mediaSource endOfStream");
+ mediaSource.endOfStream();
+ test.waitForExpectedEvents(function()
+ {
+ assertBufferedEquals(sourceBuffer,
+ "{ [" + expectedBufferedRangeStartTime.toFixed(3) + ", " + expectedBufferedRangeEndTimeAfterEOS.toFixed(3) + ") }",
+ "sourceBuffer.buffered after EOS");
+ callback();
+ });
+ }
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ var offset = Math.min(segmentInfo.media[0].timev, segmentInfo.media[0].timea);
+ var expectedStart = Math.max(segmentInfo.media[0].timev, segmentInfo.media[0].timea) - offset;
+ var expectedEnd = Math.min(segmentInfo.media[0].endtimev, segmentInfo.media[0].endtimea) - offset;
+ var expectedEndEOS = Math.max(segmentInfo.media[0].endtimev, segmentInfo.media[0].endtimea) - offset;
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[0], function()
+ {
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ -offset, expectedStart,
+ expectedEnd, expectedEndEOS,
+ test.done);
+ });
+ }, "Test sequence AppendMode appendBuffer(first media segment)");
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ var offset = Math.min(segmentInfo.media[1].timev, segmentInfo.media[1].timea);
+ var expectedStart = Math.max(segmentInfo.media[1].timev, segmentInfo.media[1].timea) - offset;
+ var expectedEnd = Math.min(segmentInfo.media[1].endtimev, segmentInfo.media[1].endtimea) - offset;
+ var expectedEndEOS = Math.max(segmentInfo.media[1].endtimev, segmentInfo.media[1].endtimea) - offset;
+ assert_greater_than(Math.min(segmentInfo.media[1].timev, segmentInfo.media[1].timea), 0,
+ "segment starts after time 0");
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1], function()
+ {
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ -offset, expectedStart,
+ expectedEnd, expectedEndEOS,
+ test.done);
+ });
+ }, "Test sequence AppendMode appendBuffer(second media segment)");
+
+ mediasource_sequencemode_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(Math.min(segmentInfo.media[1].timev, segmentInfo.media[1].timea), 0,
+ "segment starts after time 0");
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1], function()
+ {
+ append_segment(test, sourceBuffer, mediaData, segmentInfo.media[0], function()
+ {
+ var firstOffset = Math.min(segmentInfo.media[1].timev, segmentInfo.media[1].timea);
+ var secondOffset = Math.max(segmentInfo.media[1].endtimev, segmentInfo.media[1].endtimea) - firstOffset;
+ var expectedStart = Math.max(segmentInfo.media[1].timev, segmentInfo.media[1].timea) - firstOffset;
+ var expectedEnd = Math.min(segmentInfo.media[0].endtimev, segmentInfo.media[0].endtimea) + secondOffset;
+ var expectedEndEOS = Math.max(segmentInfo.media[0].endtimev, segmentInfo.media[0].endtimea) + secondOffset;
+ // Current timestampOffset should reflect offset required to put media[0]
+ // immediately after media[1]'s highest frame end timestamp (as was adjusted
+ // by an earlier timestampOffset).
+ verify_offset_and_buffered(test, mediaSource, sourceBuffer,
+ secondOffset, expectedStart,
+ expectedEnd, expectedEndEOS,
+ test.done);
+ })
+ });
+ }, "Test sequence AppendMode appendBuffer(second media segment, then first media segment)");
+ </script>
+ </body>
+</html>
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