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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({
title: "Canvas(2D)::CaptureStream as video-only input to peerconnection with no a=ssrc",
visible: true
});
var test;
runNetworkTest(async (options) => {
if (navigator.userAgent.includes("Android")) {
await pushPrefs(["media.navigator.mediadatadecoder_vpx_enabled", false],
["media.webrtc.hw.h264.enabled", false]);
}
options = options || { };
options.ssrc = false;
test = new PeerConnectionTest(options);
var mediaElement;
var h = new CaptureStreamTestHelper2D();
var canvas = document.createElement('canvas');
var stream;
canvas.id = 'source_canvas';
canvas.width = canvas.height = 16;
document.getElementById('content').appendChild(canvas);
test.setMediaConstraints([{video: true}], []);
test.chain.replace("PC_LOCAL_GUM", [
function PC_LOCAL_CANVAS_CAPTURESTREAM(test) {
h.drawColor(canvas, h.green);
stream = canvas.captureStream(0);
test.pcLocal.attachLocalStream(stream);
stream.requestFrame();
var i = 0;
return setInterval(function() {
try {
info("draw " + i ? "green" : "red");
h.drawColor(canvas, i ? h.green : h.red);
i = 1 - i;
stream.requestFrame();
} catch (e) {
// ignore; stream might have shut down, and we don't bother clearing
// the setInterval.
}
}, 500);
}
]);
test.chain.append([
function PC_REMOTE_WAIT_FOR_REMOTE_GREEN() {
mediaElement = test.pcRemote.remoteMediaElements[0];
ok(!!mediaElement, "Should have remote video element for pcRemote");
return h.pixelMustBecome(mediaElement, h.green, {
threshold: 128,
infoString: "pcRemote's remote should become green",
});
},
function PC_LOCAL_DRAW_LOCAL_RED() {
// After requesting a frame it will be captured at the time of next render.
// Next render will happen at next stable state, at the earliest,
// i.e., this order of `requestFrame(); draw();` should work.
stream.requestFrame();
h.drawColor(canvas, h.red);
},
function PC_REMOTE_WAIT_FOR_REMOTE_RED() {
return h.pixelMustBecome(mediaElement, h.red, {
threshold: 128,
infoString: "pcRemote's remote should become red",
});
}
]);
await test.run();
});
</script>
</pre>
</body>
</html>