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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-analysernode-interface/test-analyser-scale.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.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-analysernode-interface/test-analyser-scale.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analyser-scale.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analyser-scale.html b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analyser-scale.html new file mode 100644 index 0000000000..904b14bede --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analyser-scale.html @@ -0,0 +1,51 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <title>Test AnalyserNode when the input is scaled</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script> + setup({ single_test: true }); + + var context = new AudioContext(); + + var gain = context.createGain(); + var analyser = context.createAnalyser(); + var osc = context.createOscillator(); + + osc.connect(gain); + gain.connect(analyser); + + osc.start(); + + var array = new Uint8Array(analyser.frequencyBinCount); + + function getAnalyserData() { + gain.gain.setValueAtTime(currentGain, context.currentTime); + analyser.getByteTimeDomainData(array); + var inrange = true; + var max = -1; + for (var i = 0; i < array.length; i++) { + if (array[i] > max) { + max = Math.abs(array[i] - 128); + } + } + if (max <= currentGain * 128) { + assert_true(true, "Analyser got scaled data for " + currentGain); + currentGain = tests.shift(); + if (currentGain == undefined) { + done(); + return; + } + } + requestAnimationFrame(getAnalyserData); + } + + var tests = [1.0, 0.5, 0.0]; + var currentGain = tests.shift(); + requestAnimationFrame(getAnalyserData); + </script> +</head> +</body> +</html> |