third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate-modulation.html - Issue 2783553002: Convert AudioBufferSource tests to new Audit

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Issue 2783553002: Convert AudioBufferSource tests to new Audit (Closed)

Patch Set: Indent neatly. Created 3 years, 8 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <html>	2 <html>

3	3

4 <head>	4 <head>

5 <script src="../../resources/testharness.js"></script>	5 <script src="../../resources/testharness.js"></script>

6 <script src="../../resources/testharnessreport.js"></script>	6 <script src="../../resources/testharnessreport.js"></script>

7 <script src="../resources/audit-util.js"></script>	7 <script src="../resources/audit-util.js"></script>

8 <script src="../resources/audio-testing.js"></script>	8 <script src="../resources/audit.js"></script>

9 <script src="../resources/audiobuffersource-testing.js"></script>	9 <script src="../resources/audiobuffersource-testing.js"></script>

10 <script src="../resources/buffer-loader.js"></script>	10 <script src="../resources/buffer-loader.js"></script>

11 </head>	11 </head>

12	12

13 <body>	13 <body>

14 <script>	14 <script>

15	15

16 var sampleRate = 44100;	16 var sampleRate = 44100;

17 var duration = 0.25;	17 var duration = 0.25;

18	18

19 var context = new OfflineAudioContext(1, sampleRate * duration, sampleRate);	19 var context = new OfflineAudioContext(1, sampleRate * duration, sampleRate);

20 var referenceBuffer;	20 var referenceBuffer;

21	21

22 var audit = Audit.createTaskRunner();	22 var audit = Audit.createTaskRunner();

23	23

24 // Task: Load the reference file asynchronously. In order to create a new	24 // Task: Load the reference file asynchronously. In order to create a new

25 // reference file, use the task 'generate-reference' below.	25 // reference file, use the task 'generate-reference' below.

26 audit.defineTask('load-reference', function (done) {	26 audit.define('load-reference', (task, should) => {

27 var loader = new BufferLoader(context, [	27 var loader = new BufferLoader(context, [

28 'audiobuffersource-playbackrate-modulation-expected.wav'	28 'audiobuffersource-playbackrate-modulation-expected.wav'

29 ], function (bufferList) {	29 ], function (bufferList) {

30 referenceBuffer = bufferList[0];	30 referenceBuffer = bufferList[0];

31 done();	31 should(true, "Loaded reference file").beTrue();

	32 task.done();

32 });	33 });

33	34

34 loader.load();	35 loader.load();

35 });	36 });

36	37

37	38

38 // Task: Render the actual buffer and compare with the reference.	39 // Task: Render the actual buffer and compare with the reference.

39 audit.defineTask('generate-verify', function (done) {	40 audit.define('generate-verify', (task, should) => {

40	41

41 // With this setting, the playback rate will be changing continuously and	42 // With this setting, the playback rate will be changing continuously and

42 // repeatedly within the range of [0, 200] around 100Hz, based on the	43 // repeatedly within the range of [0, 200] around 100Hz, based on the

43 // input from the oscillator.	44 // input from the oscillator.

44 createSawtoothWithModulation(context, 'playbackRate', 100, 100);	45 createSawtoothWithModulation(context, 'playbackRate', 100, 100);

45	46

46 context.startRendering().then(function (renderedBuffer) {	47 context.startRendering().then(function (renderedBuffer) {

47 var actual = renderedBuffer.getChannelData(0);	48 var actual = renderedBuffer.getChannelData(0);

48 var expected = referenceBuffer.getChannelData(0);	49 var expected = referenceBuffer.getChannelData(0);

49	50

50 // Compare two buffers with arbitrary (yet reasonable) constraints.	51 // Compare two buffers with arbitrary (yet reasonable) constraints.

51 // There parameters are determined by try bot experiments.	52 // There parameters are determined by try bot experiments.

52 compareBuffersWithConstraints(actual, expected, {	53 compareBuffersWithConstraints(should, actual, expected, {

	54 prefix: "Verify",

53 thresholdSNR: 92.72,	55 thresholdSNR: 92.72,

54 thresholdDiffULP: 0.985,	56 thresholdDiffULP: 0.985,

55 thresholdDiffCount: 0,	57 thresholdDiffCount: 0,

56 bitDepth: 16	58 bitDepth: 16

57 });	59 });

58	60

59 var filename = 'audiobuffersource-playbackrate-modulation-actual.wav';	61 var filename = 'audiobuffersource-playbackrate-modulation-actual.wav';

60 if (downloadAudioBuffer(renderedBuffer, filename))	62 if (downloadAudioBuffer(renderedBuffer, filename))

61 Should("Saved reference file", true).summarize(filename, "");	63 should(true, "Saved reference file").message(filename, "");

62 }).then(done);	64 }).then(() => task.done());

63 });	65 });

64	66

65 audit.runTasks();	67 audit.run();

66 </script>	68 </script>

67 </body>	69 </body>

68	70

69 </html>	71 </html>

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