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Bug 1259788 - Add video content test for captureStream of MediaElement playing a MediaStream. r=jib

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MozReview-Commit-ID: F6X0E0VeqP9

--HG--
extra : rebase_source : d15ab649de706aa374112d8d7a99cb276de8343c
This commit is contained in:
Andreas Pehrson 2016-08-18 17:37:19 +02:00
parent 92ec66172a
commit dba71afe5e
3 changed files with 129 additions and 0 deletions
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8
dom/canvas/test/captureStream_common.js
View File

@ -102,6 +102,14 @@ CaptureStreamTestHelper.prototype = {
return px.some((ch, i) => Math.abs(ch - refColor.data[i]) > threshold);
},
/*
* Behaves like isPixelNot but ignores the alpha channel.
*/
isOpaquePixelNot: function(px, refColor, threshold) {
px[3] = refColor.data[3];
return h.isPixelNot(px, refColor, threshold);
},
/*
* Returns a promise that resolves when the provided function |test|
* returns true.

2
dom/media/tests/mochitest/mochitest.ini
View File

@ -70,6 +70,8 @@ skip-if = toolkit == 'gonk' || buildapp == 'mulet' # Bug 1063290, intermittent t
[test_getUserMedia_loadedmetadata.html]
[test_getUserMedia_mediaElementCapture_audio.html]
skip-if = toolkit == 'gonk' || buildapp == 'mulet' || android_version == '18' # b2g emulator seems to be too slow (Bug 1016498 and 1008080), android(Bug 1189784, timeouts on 4.3 emulator)
[test_getUserMedia_mediaElementCapture_video.html]
skip-if = toolkit == 'gonk' || buildapp == 'mulet' || android_version == '18' # b2g emulator seems to be too slow (Bug 1016498 and 1008080), android(Bug 1189784, timeouts on 4.3 emulator)
[test_getUserMedia_mediaStreamClone.html]
[test_getUserMedia_mediaStreamConstructors.html]
[test_getUserMedia_mediaStreamTrackClone.html]

119
dom/media/tests/mochitest/test_getUserMedia_mediaElementCapture_video.html Normal file
View File

@ -0,0 +1,119 @@
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
<script type="application/javascript" src="mediaStreamPlayback.js"></script>
<script type="application/javascript" src="head.js"></script>
</head>
<body>
<pre id="test">
<script>
createHTML({
bug: "1259788",
title: "Test CaptureStream video content on HTMLMediaElement playing a gUM MediaStream",
visible: true
});
var gUMVideoElement;
var captureStreamElement;
// We check a pixel somewhere away from the top left corner since
// MediaEngineDefault puts semi-transparent time indicators there.
const offsetX = 20;
const offsetY = 20;
const threshold = 16;
const pausedTimeout = 1000;
const h = new CaptureStreamTestHelper2D(50, 50);
var checkHasFrame = video => h.waitForPixel(video, offsetX, offsetY, px => {
let result = h.isOpaquePixelNot(px, h.black, threshold);
info("Checking that we have a frame, got [" +
Array.slice(px) + "]. Pass=" + result);
return result;
});
var checkVideoPlaying = video => checkHasFrame(video)
.then(() => {
let startPixel = { data: h.getPixel(video, offsetX, offsetY)
, name: "startcolor"
};
return h.waitForPixel(video, offsetX, offsetY, px => {
let result = h.isPixelNot(px, startPixel, threshold)
info("Checking playing, [" + Array.slice(px) + "] vs [" +
Array.slice(startPixel.data) + "]. Pass=" + result);
return result;
});
});
var checkVideoPaused = video => checkHasFrame(video)
.then(() => {
let startPixel = { data: h.getPixel(video, offsetX, offsetY)
, name: "startcolor"
};
return h.waitForPixel(video, offsetX, offsetY, px => {
let result = h.isOpaquePixelNot(px, startPixel, threshold);
info("Checking paused, [" + Array.slice(px) + "] vs [" +
Array.slice(startPixel.data) + "]. Pass=" + result);
return result;
}, pausedTimeout);
}).then(result => ok(!result, "Frame shouldn't change within " + pausedTimeout / 1000 + " seconds."));
runTest(() => getUserMedia({video: true, fake: true})
.then(stream => {
gUMVideoElement =
createMediaElement("gUMVideo", "local", "gUMVideo", false);
gUMVideoElement.srcObject = stream;
gUMVideoElement.play();
info("Capturing");
captureStreamElement =
createMediaElement("captureStream", "local", "captureStream", false);
captureStreamElement.srcObject = gUMVideoElement.mozCaptureStream();
captureStreamElement.play();
return checkVideoPlaying(captureStreamElement);
})
.then(() => {
info("Video flowing. Pausing.");
gUMVideoElement.pause();
return checkVideoPaused(captureStreamElement);
})
.then(() => {
info("Video stopped flowing. Playing.");
gUMVideoElement.play();
return checkVideoPlaying(captureStreamElement);
})
.then(() => {
info("Video flowing. Removing source.");
var stream = gUMVideoElement.srcObject;
gUMVideoElement.srcObject = null;
return checkVideoPaused(captureStreamElement).then(() => stream);
})
.then(stream => {
info("Video stopped flowing. Setting source.");
gUMVideoElement.srcObject = stream;
return checkVideoPlaying(captureStreamElement);
})
.then(() => {
info("Video flowing. Changing source by track manipulation. Remove first.");
var track = gUMVideoElement.srcObject.getTracks()[0];
gUMVideoElement.srcObject.removeTrack(track);
return checkVideoPaused(captureStreamElement).then(() => track);
})
.then(track => {
info("Video paused. Changing source by track manipulation. Add first.");
gUMVideoElement.srcObject.addTrack(track);
gUMVideoElement.play();
return checkVideoPlaying(captureStreamElement);
})
.then(() => ok(true, "Test passed."))
.catch(e => ok(false, "Test failed: " + e + (e.stack ? "\n" + e.stack : ""))));
</script>
</pre>
</body>
</html>