2018-01-19 03:59:58 +08:00
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<!DOCTYPE HTML>
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<html>
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<head>
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<script type="application/javascript" src="pc.js"></script>
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<script type="application/javascript" src="/tests/dom/canvas/test/captureStream_common.js"></script>
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</head>
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<body>
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<pre id="test">
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<script type="application/javascript;version=1.8">
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createHTML({
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bug: "1032848",
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title: "Canvas(2D)::CaptureStream as video-only input to peerconnection",
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visible: true
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});
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runNetworkTest(() => {
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var test = new PeerConnectionTest();
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var mediaElement;
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var h = new CaptureStreamTestHelper2D();
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var canvas = document.createElement('canvas');
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var stream;
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canvas.id = 'source_canvas';
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canvas.width = canvas.height = 10;
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document.getElementById('content').appendChild(canvas);
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test.setMediaConstraints([{video: true}], []);
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test.chain.replace("PC_LOCAL_GUM", [
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function PC_LOCAL_DRAW_INITIAL_LOCAL_GREEN(test) {
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h.drawColor(canvas, h.green);
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},
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function PC_LOCAL_CANVAS_CAPTURESTREAM(test) {
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stream = canvas.captureStream(0);
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test.pcLocal.attachLocalStream(stream);
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}
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]);
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test.chain.append([
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function PC_REMOTE_WAIT_FOR_REMOTE_GREEN() {
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mediaElement = test.pcRemote.remoteMediaElements[0];
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ok(!!mediaElement, "Should have remote video element for pcRemote");
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return h.waitForPixelColor(mediaElement, h.green, 128,
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"pcRemote's remote should become green");
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},
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function PC_LOCAL_DRAW_LOCAL_RED() {
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// After requesting a frame it will be captured at the time of next render.
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// Next render will happen at next stable state, at the earliest,
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// i.e., this order of `requestFrame(); draw();` should work.
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stream.requestFrame();
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h.drawColor(canvas, h.red);
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2021-10-01 10:48:39 +08:00
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var i = 0;
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return setInterval(function() {
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try {
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info("draw " + i ? "green" : "red");
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h.drawColor(canvas, i ? h.green : h.red);
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i = 1 - i;
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stream.requestFrame();
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} catch (e) {
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// ignore; stream might have shut down, and we don't bother clearing
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// the setInterval.
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}
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}, 500);
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2018-01-19 03:59:58 +08:00
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},
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function PC_REMOTE_WAIT_FOR_REMOTE_RED() {
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return h.waitForPixelColor(mediaElement, h.red, 128,
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"pcRemote's remote should become red");
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}
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]);
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test.run();
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});
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</script>
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</pre>
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</body>
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</html>
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