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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html new file mode 100644 index 0000000000..570efebe22 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-convolvernode-interface/convolution-mono-mono.html @@ -0,0 +1,62 @@ +<!DOCTYPE html> +<html> + <head> + <title> + convolution-mono-mono.html + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + <script src="/webaudio/resources/convolution-testing.js"></script> + </head> + <body> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + + // description("Tests ConvolverNode processing a mono channel with mono + // impulse response."); + + // To test the convolver, we convolve two square pulses together to + // produce a triangular pulse. To verify the result is correct we + // check several parts of the result. First, we make sure the initial + // part of the result is zero (due to the latency in the convolver). + // Next, the triangular pulse should match the theoretical result to + // within some roundoff. After the triangular pulse, the result + // should be exactly zero, but round-off prevents that. We make sure + // the part after the pulse is sufficiently close to zero. Finally, + // the result should be exactly zero because the inputs are exactly + // zero. + audit.define('test', function(task, should) { + // Create offline audio context. + let context = new OfflineAudioContext( + 2, sampleRate * renderLengthSeconds, sampleRate); + + let squarePulse = createSquarePulseBuffer(context, pulseLengthFrames); + let trianglePulse = + createTrianglePulseBuffer(context, 2 * pulseLengthFrames); + + let bufferSource = context.createBufferSource(); + bufferSource.buffer = squarePulse; + + let convolver = context.createConvolver(); + convolver.normalize = false; + convolver.buffer = squarePulse; + + bufferSource.connect(convolver); + convolver.connect(context.destination); + + bufferSource.start(0); + + context.startRendering() + .then(buffer => { + checkConvolvedResult(buffer, trianglePulse, should); + }) + .then(task.done.bind(task)); + ; + }); + + audit.run(); + </script> + </body> +</html> |