| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| <canvas id="canvas_source"></canvas> |
| <script> |
| description("Exercises the potential events on CanvasCaptureMediaStream."); |
| |
| window.jsTestIsAsync = true; |
| |
| var canvas = document.getElementById('canvas_source'); |
| var stream; |
| var track; |
| |
| function onVideoPlay() { |
| testPassed('Video play callback succeeded.'); |
| drawToCanvas(canvas); |
| }; |
| |
| function onVideoCanPlayThrough() { |
| testPassed('Video canplaythrough callback succeeded.'); |
| finishJSTest(); |
| }; |
| |
| function drawToCanvas(canvas) { |
| testPassed('Drawing to canvas.'); |
| var ctx = canvas.getContext("2d"); |
| ctx.strokeStyle="#FF0204"; |
| ctx.beginPath(); |
| ctx.moveTo(0,0); |
| ctx.lineTo(100, 100); |
| ctx.stroke(); |
| }; |
| |
| function playMediaStream() { |
| shouldBe('stream.getVideoTracks().length', '1'); |
| track = stream.getVideoTracks()[0]; |
| shouldBeEqualToString('track.readyState', 'live'); |
| |
| var video = document.createElement('video'); |
| try { |
| video.srcObject = stream; |
| testPassed('Plugged stream to video tag.'); |
| } catch(e) { |
| testFailed('Exception plugging stream to <video>: ' + e); |
| finishJSTest(); |
| } |
| video.addEventListener("play", onVideoPlay); |
| video.addEventListener("canplaythrough", onVideoCanPlayThrough); |
| video.play(); |
| }; |
| |
| try { |
| stream = canvas.captureStream(); |
| testPassed('Got a stream from canvas.'); |
| } catch (e) { |
| testFailed('Exception calling captureStream(): ' + e); |
| finishJSTest(); |
| } |
| if (stream) { |
| playMediaStream(); |
| } |
| |
| </script> |
| </body> |
| </html> |
