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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html new file mode 100644 index 0000000000..2ed076cccf --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/set-target-conv.html @@ -0,0 +1,93 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<html> + <head> + <title>Test convergence of setTargetAtTime</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit.js"></script> + <script src='/webaudio/resources/audio-param.js'></script> + </head> + + <body> + <script> + let audit = Audit.createTaskRunner(); + + audit.define( + {task: 'setTargetAtTime', label: 'convergence handled correctly'}, + (task, should) => { + // Two channels: + // 0 - actual result + // 1 - expected result + const context = new OfflineAudioContext( + {numberOfChannels: 2, sampleRate: 8000, length: 8000}); + + const merger = new ChannelMergerNode( + context, {numberOfChannels: context.destination.channelCount}); + merger.connect(context.destination); + + // Construct test source that will have tha AudioParams being tested + // to verify that the AudioParams are working correctly. + let src; + + should( + () => src = new ConstantSourceNode(context), + 'src = new ConstantSourceNode(context)') + .notThrow(); + + src.connect(merger, 0, 0); + src.offset.setValueAtTime(1, 0); + + const timeConstant = 0.01; + + // testTime must be at least 10*timeConstant. Also, this must not + // lie on a render boundary. + const testTime = 0.15; + const rampEnd = testTime + 0.001; + + should( + () => src.offset.setTargetAtTime(0.5, 0.01, timeConstant), + `src.offset.setTargetAtTime(0.5, 0.01, ${timeConstant})`) + .notThrow(); + should( + () => src.offset.setValueAtTime(0.5, testTime), + `src.offset.setValueAtTime(0.5, ${testTime})`) + .notThrow(); + should( + () => src.offset.linearRampToValueAtTime(1, rampEnd), + `src.offset.linearRampToValueAtTime(1, ${rampEnd})`) + .notThrow(); + + // The reference node that will generate the expected output. We do + // the same automations, except we don't apply the setTarget + // automation. + const refSrc = new ConstantSourceNode(context); + refSrc.connect(merger, 0, 1); + + refSrc.offset.setValueAtTime(0.5, 0); + refSrc.offset.setValueAtTime(0.5, testTime); + refSrc.offset.linearRampToValueAtTime(1, rampEnd); + + src.start(); + refSrc.start(); + + context.startRendering() + .then(audio => { + const actual = audio.getChannelData(0); + const expected = audio.getChannelData(1); + + // Just verify that the actual output matches the expected + // starting a little bit before testTime. + let testFrame = + Math.floor(testTime * context.sampleRate) - 128; + should(actual.slice(testFrame), `output[${testFrame}:]`) + .beCloseToArray( + expected.slice(testFrame), + {relativeThreshold: 4.1724e-6}); + }) + .then(() => task.done()); + }); + + audit.run(); + </script> + </body> +</html> |