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Issue 2732523003:
Make ConvolverNode conform to spec (Closed)
| Index: third_party/WebKit/LayoutTests/webaudio/Convolver/convolver-cascade.html |
| diff --git a/third_party/WebKit/LayoutTests/webaudio/Convolver/convolver-cascade.html b/third_party/WebKit/LayoutTests/webaudio/Convolver/convolver-cascade.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..c7d7d96baa565ec6149add97a155bcc0ed24598a |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/webaudio/Convolver/convolver-cascade.html |
| @@ -0,0 +1,60 @@ |
| +<!doctype html> |
| +<html> |
| + <head> |
| + <title>Test Cascade of Mono Convolvers</title> |
| + <script src="../../resources/testharness.js"></script> |
| + <script src="../../resources/testharnessreport.js"></script> |
| + <script src="../resources/audit-util.js"></script> |
| + <script src="../resources/audit.js"></script> |
| + </head> |
| + |
| + <body> |
| + <script> |
| + let audit = Audit.createTaskRunner(); |
| + |
| + // Arbitrary sample rate and reasonably short duration |
| + let sampleRate = 8000; |
| + let duration = 0.25; |
| + let renderFrames = duration * sampleRate; |
| + |
| + audit.define( |
| + {label: 'test', description: 'Cascaded mono convolvers'}, |
|
hongchan
2017/03/28 16:44:34
test => cascade-mono
|
| + (task, should) => { |
| + // Cascade two convolvers with mono responses and verify that the |
| + // output is not silent. |
| + let context = new OfflineAudioContext(1, renderFrames, sampleRate); |
| + |
| + let b0 = |
| + new AudioBuffer({length: 5, sampleRate: context.sampleRate}); |
| + b0.getChannelData(0)[1] = 1; |
| + let c0 = new ConvolverNode( |
| + context, {disableNormalization: true, buffer: b0}); |
| + |
| + let b1 = |
| + new AudioBuffer({length: 5, sampleRate: context.sampleRate}); |
| + b1.getChannelData(0)[2] = 1; |
| + |
| + let c1 = new ConvolverNode( |
| + context, {disableNormalization: true, buffer: b1}); |
| + |
| + let src = new OscillatorNode(context); |
| + |
| + src.connect(c0).connect(c1).connect(context.destination); |
| + |
| + src.start(); |
| + |
| + context.startRendering() |
| + .then(audioBuffer => { |
| + // Just verify the output is not silent |
| + let audio = audioBuffer.getChannelData(0); |
| + |
| + should(audio, 'Output of cascaded mono convolvers') |
| + .notBeConstantValueOf(0); |
| + }) |
| + .then(() => task.done()); |
| + }); |
| + |
| + audit.run(); |
| + </script> |
| + </body> |
| +</html> |
