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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<script type="application/javascript" src="pc.js"></script>
<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
</head>
<body>
<pre id="test">
<script type="application/javascript">
createHTML({
bug: "1166832",
title: "Canvas(2D)::Multiple CaptureStream as video-only input to peerconnection",
visible: true
});
/**
* Test to verify using multiple capture streams concurrently.
*/
runNetworkTest(async () => {
if (navigator.userAgent.includes("Android")) {
await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false]);
await pushPrefs(["media.webrtc.hw.h264.enabled", false]);
}
var test = new PeerConnectionTest();
var h = new CaptureStreamTestHelper2D(50, 50);
var vremote1;
var stream1;
var canvas1 = h.createAndAppendElement('canvas', 'source_canvas1');
var vremote2;
var stream2;
var canvas2 = h.createAndAppendElement('canvas', 'source_canvas2');
const threshold = 128;
test.setMediaConstraints([{video: true}, {video: true}], []);
test.chain.replace("PC_LOCAL_GUM", [
function PC_LOCAL_CANVAS_CAPTURESTREAM(test) {
h.drawColor(canvas1, h.green);
h.drawColor(canvas2, h.blue);
stream1 = canvas1.captureStream(0); // fps = 0 to capture single frame
test.pcLocal.attachLocalStream(stream1);
stream2 = canvas2.captureStream(0); // fps = 0 to capture single frame
test.pcLocal.attachLocalStream(stream2);
var i = 0;
return setInterval(function() {
try {
info("draw " + i ? "green" : "red/blue");
h.drawColor(canvas1, i ? h.green : h.red);
h.drawColor(canvas2, i ? h.green : h.blue);
i = 1 - i;
stream1.requestFrame();
stream2.requestFrame();
} catch (e) {
// ignore; stream might have shut down, and we don't bother clearing
// the setInterval.
}
}, 500);
}
]);
test.chain.append([
function CHECK_REMOTE_VIDEO() {
is(test.pcRemote.remoteMediaElements.length, 2, "pcRemote Should have 2 remote media elements");
vremote1 = test.pcRemote.remoteMediaElements[0];
vremote2 = test.pcRemote.remoteMediaElements[1];
// since we don't know which remote video is created first, we don't know
// which should be blue or red, but this will make sure that one is
// green and one is blue
return Promise.race([
Promise.all([
h.pixelMustBecome(vremote1, h.red, {
threshold,
infoString: "pcRemote's remote1 should become red",
}),
h.pixelMustBecome(vremote2, h.blue, {
threshold,
infoString: "pcRemote's remote2 should become blue",
}),
]),
Promise.all([
h.pixelMustBecome(vremote2, h.red, {
threshold,
infoString: "pcRemote's remote2 should become red",
}),
h.pixelMustBecome(vremote1, h.blue, {
threshold,
infoString: "pcRemote's remote1 should become blue",
}),
])
]);
},
function WAIT_FOR_REMOTE_BOTH_GREEN() {
return Promise.all([
h.pixelMustBecome(vremote1, h.green, {
threshold,
infoString: "pcRemote's remote1 should become green",
}),
h.pixelMustBecome(vremote2, h.green, {
threshold,
infoString: "pcRemote's remote2 should become green",
}),
])
},
]);
await test.run();
});
</script>
</pre>
</body>
</html>