| <html> |
| <head> |
| <title>requestVideoFrameCallback with playing webm</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="video-test.js"></script> |
| <script src="utilities.js"></script> |
| <script> |
| var lastPresentationTime = -Number.MAX_NUMBER; |
| var lastDisplayTime = -Number.MAX_NUMBER; |
| var lastPresentedFrames = -Number.MAX_NUMBER; |
| var lastMediaTime = -Number.MAX_NUMBER; |
| var frame; |
| |
| async function init() |
| { |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| findMediaElement(); |
| |
| video.src = "content/test-vp8.webm"; |
| const tooLongTimeout = setTimeout(failTest.bind(null, "timeout"), 5000); |
| |
| await waitFor(video, 'loadedmetadata'); |
| video.play(); |
| |
| let counter = 0; |
| while (counter++ < 10) { |
| frame = await waitForVideoFrame(video); |
| if (frame[1].presentationTime <= lastPresentationTime) { |
| testExpected(frame[1].presentationTime, lastPresentationTime, ">"); |
| failTest("presentationTime isn't monotonically increasing"); |
| } |
| lastPresentationTime = frame[1].presentationTime; |
| |
| if (frame[1].expectedDisplayTime <= lastDisplayTime) { |
| testExpected(frame[1].expectedDisplayTime, lastDisplayTime, ">"); |
| failTest("expectedDisplayTime isn't monotonically increasing"); |
| } |
| lastDisplayTime = frame[1].expectedDisplayTime; |
| |
| if (frame[1].presentedFrames <= lastPresentedFrames) { |
| testExpected(frame[1].presentedFrames, lastPresentedFrames, ">"); |
| failTest("mediaTime isn't monotonically increasing"); |
| } |
| lastPresentedFrames = frame[1].presentedFrames; |
| |
| if (frame[1].mediaTime <= lastMediaTime) { |
| testExpected(frame[1].mediaTime, lastMediaTime, ">"); |
| failTest("mediaTime isn't monotonically increasing"); |
| } |
| lastMediaTime = frame[1].mediaTime; |
| } |
| |
| clearTimeout(tooLongTimeout); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| </head> |
| <body onload="init();"> |
| <video muted/> |
| </body> |
| </html> |
