third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-detune-modulation.html - Issue 2728613003: Add support creating and saving a new reference file.

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Issue 2728613003: Add support creating and saving a new reference file. (Closed)

Patch Set: Fix typo Created 3 years, 9 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/audio-testing.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

16 var sampleRate = 44100;	15 var sampleRate = 44100;

17 var duration = 0.25;	16 var duration = 0.25;

18	17

19 var context = new OfflineAudioContext(1, sampleRate * duration, sampleRate);	18 var context = new OfflineAudioContext(1, sampleRate * duration, sampleRate);

20 var referenceBuffer;	19 var referenceBuffer;

	20 var audioBufferResult;

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.defineTask('load-reference', function (done) {

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

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

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

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

31 done();	31 done();

32 });	32 });

33	33

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

35 });	35 });

36	36

37	37

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

39 audit.defineTask('generate-verify', function (done) {	39 audit.defineTask('generate-verify', function (done) {

40	40

41 // With this setting, the detune will be changing continuously and	41 // With this setting, the detune will be changing continuously and

42 // repeatedly within the range of [-1200, 1200] around 440Hz, based on the	42 // repeatedly within the range of [-1200, 1200] around 440Hz, based on the

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

44 createSawtoothWithModulation(context, 'detune', 440, 1200);	44 createSawtoothWithModulation(context, 'detune', 440, 1200);

45	45

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

	47 audioBufferResult = 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(actual, expected, {

53 thresholdSNR: 93.31,	54 thresholdSNR: 93.31,

54 thresholdDiffULP: 1.01,	55 thresholdDiffULP: 1.01,

55 thresholdDiffCount: 0,	56 thresholdDiffCount: 0,

56 bitDepth: 16	57 bitDepth: 16});

57 });

58	58

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

	60 if (downloadAudioBuffer(renderedBuffer, filename))

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

59 }).then(done);	62 }).then(done);

60 });	63 });

61	64

62 // Task: Create a new reference audio file. See .runTasks() below to run	65 audit.runTasks();

63 // this task.

64 audit.defineTask('generate-reference', function (done) {

65 if (!window.testRunner) {

66 done();

67 return;

68 }

69

70 // With this setting, the detune will be changing continuously and

71 // repeatedly within the range of [-1200, 1200] around 440Hz, based on the

72 // input from the oscillator.

73 createSawtoothWithModulation(context, 'detune', 440, 1200);

74

75 // \|finishAudioTest\| will automatically create a reference audio file from

76 // the OAC rendering if the reference file does not exist.

77 context.oncomplete = finishAudioTest;

78 context.startRendering();

79 testRunner.waitUntilDone();

80

81 done();

82 });

83

84 audit.defineTask('finish', function (done) {

85 done();

86 });

87

88 window.onload = function () {

89 audit.runTasks(

90 'load-reference',

91 'generate-verify',

92 'finish'

93 );

94 };

95

96 // Use this task to generate a new reference audio file. Make sure to

97 // comment out .runTasks() above before use this.

98 // audit.runTasks('generate-reference');

99

100 successfullyParsed = true;

101 </script>	66 </script>

102 </body>	67 </body>

103	68

104 </html>	69 </html>

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