third_party/WebKit/LayoutTests/webaudio/AudioBufferSource/audiobuffersource-playbackrate.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 <head>	3 <head>

4 <title>AudioBufferSourceNode - playbackRate test</title>	4 <title>AudioBufferSourceNode - playbackRate test</title>

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 </head>	9 </head>

10 <body>	10 <body>

11 <script>	11 <script>

12 let audit = Audit.createTaskRunner();	12 let audit = Audit.createTaskRunner();

13	13

14 // Any sample rate mutiple of 128 is valid for this test, but here it uses	14 // Any sample rate mutiple of 128 is valid for this test, but here it uses

15 // 48000Hz because it is a commonly used number that happens to be multiple	15 // 48000Hz because it is a commonly used number that happens to be multiple

16 // of 128.	16 // of 128.

17 let sampleRate = 48000;	17 let sampleRate = 48000;

18	18

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84	84

85 actualSrc.start(noteStart);	85 actualSrc.start(noteStart);

86 actualSrc.stop(noteStart + noteDuration);	86 actualSrc.stop(noteStart + noteDuration);

87 expectedSrc.start(noteStart);	87 expectedSrc.start(noteStart);

88 expectedSrc.stop(noteStart + noteDuration);	88 expectedSrc.stop(noteStart + noteDuration);

89 }	89 }

90	90

91	91

92 // Test if AudioBufferSourceNode.playbackRate can playback at different rates	92 // Test if AudioBufferSourceNode.playbackRate can playback at different rates

93 // properly.	93 // properly.

94 audit.defineTask("playbackrate-test", function (taskDone) {	94 audit.define("playbackrate-test", (task, should) => {

95 let context = new OfflineAudioContext(2, totalDuration *	95 let context = new OfflineAudioContext(2, totalDuration *

96 sampleRate,	96 sampleRate,

97 sampleRate);	97 sampleRate);

98 fundamentalBuffer = createSineWaveBuffer(context,	98 fundamentalBuffer = createSineWaveBuffer(context,

99 pitchToFrequency(fundamentalPitch), totalDuration);	99 pitchToFrequency(fundamentalPitch), totalDuration);

100	100

101 // Schedule tests up to 60 pitches above from the fundamental pitch.	101 // Schedule tests up to 60 pitches above from the fundamental pitch.

102 for (let iteration = 0; iteration < numberOfPitches; iteration++)	102 for (let iteration = 0; iteration < numberOfPitches; iteration++)

103 runUnitTest(context, noteDuration * iteration, fundamentalPitch +	103 runUnitTest(context, noteDuration * iteration, fundamentalPitch +

104 iteration);	104 iteration);

105	105

106 // Once the rendering is complete, split the buffer into 5 octaves. Then	106 // Once the rendering is complete, split the buffer into 5 octaves. Then

107 // perform the SNR and the maximum difference ULP check for each octave	107 // perform the SNR and the maximum difference ULP check for each octave

108 // with different constraints.	108 // with different constraints.

109 context.startRendering()	109 context.startRendering()

110 .then(function (renderedBuffer) {	110 .then(function (renderedBuffer) {

111 let actual = renderedBuffer.getChannelData(0);	111 let actual = renderedBuffer.getChannelData(0);

112 let expected = renderedBuffer.getChannelData(1);	112 let expected = renderedBuffer.getChannelData(1);

113 let octaveLength = Math.floor(noteDuration * 12 * sampleRate);	113 let octaveLength = Math.floor(noteDuration * 12 * sampleRate);

114	114

115 for (let i = 0; i < numberOfPitches / 12; i++) {	115 for (let i = 0; i < numberOfPitches / 12; i++) {

116 let start = i * octaveLength;	116 let start = i * octaveLength;

117 let end = (i + 1) * octaveLength;	117 let end = (i + 1) * octaveLength;

118 let octaveActual = actual.subarray(start, end);	118 let octaveActual = actual.subarray(start, end);

119 let octaveExpected = expected.subarray(start, end);	119 let octaveExpected = expected.subarray(start, end);

120	120

121 compareBuffersWithConstraints(octaveActual, octaveExpected,	121 compareBuffersWithConstraints(should, octaveActual, octaveExpected,

122 {	122 {

123 prefix: i,	123 prefix: i,

124 thresholdSNR: testConstraints[i].thresholdSNR,	124 thresholdSNR: testConstraints[i].thresholdSNR,

125 thresholdDiffULP: testConstraints[i].thresholdDiffULP	125 thresholdDiffULP: testConstraints[i].thresholdDiffULP

126 });	126 });

127 }	127 }

128	128

129 })	129 })

130 .then(taskDone);	130 .then(() => task.done());

131 });	131 });

132	132

133 audit.runTasks();	133 audit.run();

134 </script>	134 </script>

135 </body>	135 </body>

136 </html>	136 </html>

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