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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-audiobuffersourcenode-interface/audiobuffersource-grain.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-audiobuffersourcenode-interface/audiobuffersource-grain.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-grain.html | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-grain.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-grain.html new file mode 100644 index 0000000000..f554304a21 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-grain.html @@ -0,0 +1,71 @@ +<!DOCTYPE html> +<html> + <head> + <title> + Test Start Grain with Delayed Buffer Setting + </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> + </head> + <body> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + let context; + let source; + let buffer; + let renderedData; + + let sampleRate = 44100; + + let testDurationSec = 1; + let testDurationSamples = testDurationSec * sampleRate; + let startTime = 0.9 * testDurationSec; + + audit.define( + 'Test setting the source buffer after starting the grain', + function(task, should) { + context = + new OfflineAudioContext(1, testDurationSamples, sampleRate); + + buffer = createConstantBuffer(context, testDurationSamples, 1); + source = context.createBufferSource(); + source.connect(context.destination); + + // Start the source BEFORE we set the buffer. The grain offset and + // duration aren't important, as long as we specify some offset. + source.start(startTime, .1); + source.buffer = buffer; + + // Render it! + context.startRendering() + .then(function(buffer) { + checkResult(buffer, should); + }) + .then(task.done.bind(task)); + ; + }); + + function checkResult(buffer, should) { + let success = false; + + renderedData = buffer.getChannelData(0); + + // Check that the rendered data is not all zeroes. Any non-zero data + // means the test passed. + let startFrame = Math.round(startTime * sampleRate); + for (k = 0; k < renderedData.length; ++k) { + if (renderedData[k]) { + success = true; + break; + } + } + + should(success, 'Buffer was played').beTrue(); + } + + audit.run(); + </script> + </body> +</html> |