Chromium Code Reviews Chromium Code Reviews
Issue 273153002:
MSE: Add basic sequence AppendMode layout tests (Closed)
Base URL: svn://svn.chromium.org/blink/trunk| OLD | NEW |
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| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <script src="/w3c/resources/testharness.js"></script> | |
| 5 <script src="/w3c/resources/testharnessreport.js"></script> | |
| 6 <script src="mediasource-util.js"></script> | |
| 7 <link rel='stylesheet' href='/w3c/resources/testharness.css'> | |
| 8 </head> | |
| 9 <body> | |
| 10 <div id="log"></div> | |
| 11 <script> | |
| 12 function mediasource_sequencemode_test(testFunction, description, opti ons) | |
| 13 { | |
| 14 return mediasource_testafterdataloaded(function(test, mediaElement , mediaSource, segmentInfo, sourceBuffer, mediaData) | |
| 15 { | |
| 16 assert_greater_than(segmentInfo.media.length, 3, 'at least 3 m edia segments for supported type'); | |
| 17 test.failOnEvent(mediaElement, 'error'); | |
| 18 sourceBuffer.mode = 'sequence'; | |
| 19 assert_equals(sourceBuffer.mode, 'sequence', 'mode after setti ng it to \'sequence\''); | |
| 20 | |
| 21 var initSegment = MediaSourceUtil.extractSegmentData(mediaData , segmentInfo.init); | |
| 22 test.expectEvent(sourceBuffer, 'updatestart', 'initSegment app end started.'); | |
| 23 test.expectEvent(sourceBuffer, 'update', 'initSegment append s uccess.'); | |
| 24 test.expectEvent(sourceBuffer, 'updateend', 'initSegment appen d ended.'); | |
| 25 sourceBuffer.appendBuffer(initSegment); | |
| 26 test.waitForExpectedEvents(function() | |
| 27 { | |
| 28 assert_equals(sourceBuffer.timestampOffset, 0, 'timestampO ffset initially 0'); | |
| 29 testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData); | |
| 30 }); | |
| 31 }, description, options); | |
| 32 } | |
| 33 | |
| 34 function append_segment(test, sourceBuffer, mediaData, info, callback) | |
| 35 { | |
| 36 var mediaSegment = MediaSourceUtil.extractSegmentData(mediaData, i nfo); | |
| 37 test.expectEvent(sourceBuffer, 'updatestart', 'media segment appen d started.'); | |
| 38 test.expectEvent(sourceBuffer, 'update', 'media segment append suc cess.'); | |
| 39 test.expectEvent(sourceBuffer, 'updateend', 'media segment append ended.'); | |
| 40 sourceBuffer.appendBuffer(mediaSegment); | |
| 41 test.waitForExpectedEvents(function() { callback(); }); | |
| 42 } | |
| 43 | |
| 44 mediasource_sequencemode_test(function(test, mediaElement, mediaSource , segmentInfo, sourceBuffer, mediaData) | |
| 45 { | |
| 46 assert_equals(segmentInfo.media[0].timecode, 0, 'segment starts at time 0'); | |
| 47 append_segment(test, sourceBuffer, mediaData, segmentInfo.media[0] , function() | |
| 48 { | |
| 49 assert_equals(sourceBuffer.timestampOffset, 0, 'timestampOffse t remains 0'); | |
| 50 assert_equals(sourceBuffer.buffered.length, 1, 'sourceBuffer.b uffered has 1 range'); | |
| 51 assert_equals(sourceBuffer.buffered.start(0), 0, 'sourceBuffer .buffered range begins at time 0'); | |
| 52 assert_less_than_equal(sourceBuffer.buffered.end(0), segmentIn fo.media[1].timecode, 'sourceBuffer.buffered range ends at or before next segmen t timecode') | |
| 53 test.done(); | |
| 54 }); | |
| 55 }, 'Test sequence AppendMode appendBuffer(first media segment)'); | |
| 56 | |
| 57 mediasource_sequencemode_test(function(test, mediaElement, mediaSource , segmentInfo, sourceBuffer, mediaData) | |
| 58 { | |
| 59 assert_greater_than(segmentInfo.media[1].timecode, 0, 'segment sta rts after time 0'); | |
| 60 append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1] , function() | |
| 61 { | |
| 62 // Muxed stream processing causes the offset to not always mat ch expectation based on | |
| 63 // segment timecodes, hence allowance of up to 10% deviation f rom expectation here. | |
|
acolwell GONE FROM CHROMIUM
2014/05/12 14:00:09
What? Why is this the case? If the timecode info i
wolenetz
2014/05/19 21:20:43
Done.
| |
| 64 assert_approx_equals(sourceBuffer.timestampOffset, | |
| 65 -segmentInfo.media[1].timecode, | |
| 66 segmentInfo.media[1].timecode / 10, | |
| 67 'timestampOffset near -(segment timecode) '); | |
| 68 assert_equals(sourceBuffer.buffered.length, 1, 'sourceBuffer.b uffered has 1 range'); | |
| 69 assert_equals(sourceBuffer.buffered.start(0), 0, 'sourceBuffer .buffered range begins at time 0'); | |
| 70 assert_less_than_equal(sourceBuffer.buffered.end(0), | |
| 71 segmentInfo.media[2].timecode - segment Info.media[1].timecode, | |
| 72 'sourceBuffer.buffered range ends at or before duration appended'); | |
| 73 test.done(); | |
| 74 }); | |
| 75 }, 'Test sequence AppendMode appendBuffer(second media segment)'); | |
| 76 | |
| 77 mediasource_sequencemode_test(function(test, mediaElement, mediaSource , segmentInfo, sourceBuffer, mediaData) | |
| 78 { | |
| 79 assert_greater_than(segmentInfo.media[1].timecode, 0, 'segment sta rts after time 0'); | |
| 80 | |
| 81 append_segment(test, sourceBuffer, mediaData, segmentInfo.media[1] , function() | |
| 82 { | |
| 83 assert_equals(segmentInfo.media[0].timecode, 0, 'segment start s at time 0'); | |
| 84 append_segment(test, sourceBuffer, mediaData, segmentInfo.medi a[0], function() | |
| 85 { | |
| 86 // timestampOffset should now have been re-adjusted to put media[0] immediately after media[1]. | |
| 87 // Muxed stream processing causes the offset to not always exactly match expectation based on | |
| 88 // segment timecodes, hence allowance of up to 10% deviati on from expectation here. | |
|
acolwell GONE FROM CHROMIUM
2014/05/12 14:00:09
ditto re: time bound instead of percentage
wolenetz
2014/05/19 21:20:43
Done.
| |
| 89 var expected_offset = segmentInfo.media[2].timecode - segm entInfo.media[1].timecode; | |
| 90 assert_greater_than(expected_offset, 0, 'media[2] timecode is after media[1] timecode'); | |
| 91 assert_approx_equals(sourceBuffer.timestampOffset, | |
| 92 expected_offset, | |
| 93 expected_offset / 10, | |
| 94 'timestampOffset adjusted again'); | |
| 95 | |
| 96 assert_equals(sourceBuffer.buffered.length, 1, 'sourceBuff er.buffered has 1 range'); | |
| 97 assert_equals(sourceBuffer.buffered.start(0), 0, 'sourceBu ffer.buffered range begins at time 0'); | |
| 98 | |
| 99 // Similarly allow for small variation in resulting length of buffered media. | |
| 100 assert_approx_equals(sourceBuffer.buffered.end(0), | |
| 101 segmentInfo.media[2].timecode, | |
| 102 expected_offset / 10, | |
|
acolwell GONE FROM CHROMIUM
2014/05/12 14:00:09
ditto.
wolenetz
2014/05/19 21:20:43
Done.
| |
| 103 'sourceBuffer.buffered range ends nea r sum of appended segment durations'); | |
| 104 assert_greater_than(sourceBuffer.buffered.end(0), | |
| 105 segmentInfo.media[2].timecode - segmen tInfo.media[1].timecode, | |
| 106 'sourceBuffer.buffered range is larger than the duration of the first appended segment'); | |
| 107 test.done(); | |
| 108 }) | |
| 109 }); | |
| 110 }, 'Test sequence AppendMode appendBuffer(second media segment, then f irst media segment)'); | |
| 111 </script> | |
| 112 </body> | |
| 113 </html> | |
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