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diff --git a/testing/web-platform/tests/media-source/mediasource-sequencemode-append-buffer.html b/testing/web-platform/tests/media-source/mediasource-sequencemode-append-buffer.html new file mode 100644 index 000000000..92a01abcc --- /dev/null +++ b/testing/web-platform/tests/media-source/mediasource-sequencemode-append-buffer.html @@ -0,0 +1,140 @@ +<!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); + } + + function threeDecimalPlaces(number) + { + return Number(number.toFixed(3)); + } + + // 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_equals(threeDecimalPlaces(sourceBuffer.timestampOffset), + threeDecimalPlaces(expectedTimestampOffset), + "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_equals(threeDecimalPlaces(sourceBuffer.buffered.start(0)), + threeDecimalPlaces(expectedBufferedRangeStartTime), + "sourceBuffer.buffered range begins where expected before EOS"); + assert_less_than_equal(threeDecimalPlaces(sourceBuffer.buffered.end(0)), + threeDecimalPlaces(expectedBufferedRangeMaxEndTimeBeforeEOS), + "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> |