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Diffstat (limited to 'dom/media/webrtc/tests/mochitests/test_getUserMedia_mediaElementCapture_tracks.html')
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diff --git a/dom/media/webrtc/tests/mochitests/test_getUserMedia_mediaElementCapture_tracks.html b/dom/media/webrtc/tests/mochitests/test_getUserMedia_mediaElementCapture_tracks.html new file mode 100644 index 0000000000..a747e75de9 --- /dev/null +++ b/dom/media/webrtc/tests/mochitests/test_getUserMedia_mediaElementCapture_tracks.html @@ -0,0 +1,179 @@ +<!DOCTYPE HTML> +<html> +<head> + <script type="application/javascript" src="mediaStreamPlayback.js"></script> +</head> +<body> +<pre id="test"> +<script> + +createHTML({ + bug: "1259788", + title: "Test CaptureStream track output on HTMLMediaElement playing a gUM MediaStream", + visible: true +}); + +let audioElement; +let audioCaptureStream; +let videoElement; +let videoCaptureStream; +let untilEndedElement; +let streamUntilEnded; +const tracks = []; +runTest(async () => { + try { + let stream = await getUserMedia({audio: true, video: true}); + // We need to test with multiple tracks. We add an extra of each kind. + for (const track of stream.getTracks()) { + stream.addTrack(track.clone()); + } + + audioElement = createMediaElement("audio", "gUMAudio"); + audioElement.srcObject = stream; + + await haveEvent(audioElement, "loadedmetadata", wait(50000, new Error("Timeout"))); + + info("Capturing audio element (loadedmetadata -> captureStream)"); + audioCaptureStream = audioElement.mozCaptureStream(); + + is(audioCaptureStream.getAudioTracks().length, 2, + "audio element should capture two audio tracks"); + is(audioCaptureStream.getVideoTracks().length, 0, + "audio element should not capture any video tracks"); + + await haveNoEvent(audioCaptureStream, "addtrack"); + + videoElement = createMediaElement("video", "gUMVideo"); + + info("Capturing video element (captureStream -> loadedmetadata)"); + videoCaptureStream = videoElement.mozCaptureStream(); + videoElement.srcObject = audioElement.srcObject.clone(); + + is(videoCaptureStream.getTracks().length, 0, + "video element should have no tracks before metadata known"); + + await haveEventsButNoMore( + videoCaptureStream, "addtrack", 3, wait(50000, new Error("No event"))); + + is(videoCaptureStream.getAudioTracks().length, 2, + "video element should capture two audio tracks"); + is(videoCaptureStream.getVideoTracks().length, 1, + "video element should capture one video track at most"); + + info("Testing dynamically adding audio track to audio element"); + audioElement.srcObject.addTrack( + audioElement.srcObject.getAudioTracks()[0].clone()); + await haveEventsButNoMore( + audioCaptureStream, "addtrack", 1, wait(50000, new Error("No event"))); + + is(audioCaptureStream.getAudioTracks().length, 3, + "Audio element should have three audio tracks captured."); + + info("Testing dynamically adding video track to audio element"); + audioElement.srcObject.addTrack( + audioElement.srcObject.getVideoTracks()[0].clone()); + await haveNoEvent(audioCaptureStream, "addtrack"); + + is(audioCaptureStream.getVideoTracks().length, 0, + "Audio element should have no video tracks captured."); + + info("Testing dynamically adding audio track to video element"); + videoElement.srcObject.addTrack( + videoElement.srcObject.getAudioTracks()[0].clone()); + await haveEventsButNoMore( + videoCaptureStream, "addtrack", 1, wait(50000, new Error("Timeout"))); + + is(videoCaptureStream.getAudioTracks().length, 3, + "Captured video stream should have three audio tracks captured."); + + info("Testing dynamically adding video track to video element"); + videoElement.srcObject.addTrack( + videoElement.srcObject.getVideoTracks()[0].clone()); + await haveNoEvent(videoCaptureStream, "addtrack"); + + is(videoCaptureStream.getVideoTracks().length, 1, + "Captured video stream should have at most one video tracks captured."); + + info("Testing track removal."); + tracks.push(...videoElement.srcObject.getTracks()); + for (const track of videoElement.srcObject.getVideoTracks().reverse()) { + videoElement.srcObject.removeTrack(track); + } + is(videoCaptureStream.getVideoTracks().length, 1, + "Captured video should have still have one video track."); + + await haveEvent(videoCaptureStream.getVideoTracks()[0], "ended", + wait(50000, new Error("Timeout"))); + await haveEvent(videoCaptureStream, "removetrack", + wait(50000, new Error("Timeout"))); + + is(videoCaptureStream.getVideoTracks().length, 0, + "Captured video stream should have no video tracks after removal."); + + + info("Testing source reset."); + stream = await getUserMedia({audio: true, video: true}); + videoElement.srcObject = stream; + for (const track of videoCaptureStream.getTracks()) { + await Promise.race(videoCaptureStream.getTracks().map( + t => haveEvent(t, "ended", wait(50000, new Error("Timeout")))) + ); + await haveEvent(videoCaptureStream, "removetrack", wait(50000, new Error("Timeout"))); + } + await haveEventsButNoMore( + videoCaptureStream, "addtrack", 2, wait(50000, new Error("Timeout"))); + is(videoCaptureStream.getAudioTracks().length, 1, + "Captured video stream should have one audio track"); + + is(videoCaptureStream.getVideoTracks().length, 1, + "Captured video stream should have one video track"); + + info("Testing CaptureStreamUntilEnded"); + untilEndedElement = + createMediaElement("video", "gUMVideoUntilEnded"); + untilEndedElement.srcObject = audioElement.srcObject; + + await haveEvent(untilEndedElement, "loadedmetadata", + wait(50000, new Error("Timeout"))); + + streamUntilEnded = untilEndedElement.mozCaptureStreamUntilEnded(); + + is(streamUntilEnded.getAudioTracks().length, 3, + "video element should capture all 3 audio tracks until ended"); + is(streamUntilEnded.getVideoTracks().length, 1, + "video element should capture only 1 video track until ended"); + + for (const track of untilEndedElement.srcObject.getTracks()) { + track.stop(); + } + + await haveEvent(untilEndedElement, "ended", wait(50000, new Error("Timeout"))); + for (const track of streamUntilEnded.getTracks()) { + await Promise.race(streamUntilEnded.getTracks().map( + t => haveEvent(t, "ended", wait(50000, new Error("Timeout")))) + ); + await haveEvent(streamUntilEnded, "removetrack", wait(50000, new Error("Timeout"))); + } + + info("Element and tracks ended. Ensuring that new tracks aren't created."); + untilEndedElement.srcObject = videoElement.srcObject; + await haveEventsButNoMore( + untilEndedElement, "loadedmetadata", 1, wait(50000, new Error("Timeout"))); + + is(streamUntilEnded.getTracks().length, 0, "Should have no tracks"); + } catch(e) { + ok(false, "Test failed: " + e + (e && e.stack ? "\n" + e.stack : "")); + } finally { + if (videoElement) { + tracks.push(...videoElement.srcObject.getTracks()); + } + for(const track of tracks) { + track.stop(); + } + } +}); + +</script> +</pre> +</body> +</html> |