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Bug 1752351 - Test throttled frame capture with a slower TimerDriver. r=jib

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Differential Revision: https://phabricator.services.mozilla.com/D137291
This commit is contained in:
Andreas Pehrson 2022-02-02 22:30:32 +00:00
parent 13fa64b511
commit 29c2042c1c
1 changed files with 5 additions and 2 deletions
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7
dom/canvas/test/test_capture_throttled.html
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@ -46,7 +46,7 @@ async function measureSetTimeoutRate() {
return COUNT / ((performance.now() - start) / 1000);
}
async function measureCanvasCaptureFrameRate() {
async function measureCanvasCaptureFrameRate(captureRate) {
// Canvas element captured by streams.
const c = h.createAndAppendElement('canvas', 'c');
@ -58,7 +58,7 @@ async function measureCanvasCaptureFrameRate() {
// Add the canvas.captureStream track.
const ctx = c.getContext('2d');
const [track] = c.captureStream().getTracks();
const [track] = c.captureStream(captureRate).getTracks();
const sender = pc1.addTrack(track);
// Ice candidates signaling
@ -139,6 +139,9 @@ async function measureCanvasCaptureFrameRate() {
const autoRate = await measureCanvasCaptureFrameRate();
ok(autoRate > 5, `captureStream() framerate is at ${autoRate} fps`);
const cappedRate = await measureCanvasCaptureFrameRate(10);
ok(cappedRate > 5, `captureStream(10) framerate is at ${cappedRate} fps`);
foregroundTab.close();
SimpleTest.finish();
})();