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<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
</head>
<body>
<video id="v" style="position:absolute; left:0; top:0"></video>
<canvas id="canvas" style="position:absolute; left:0; top:0"></video>
<script type="text/javascript">
/**
* Do seek multiple times and check the video frame on 0.3s.
*/
async function testFrameOrderAfterSeeking() {
const video = document.getElementById("v");
video.src = "frame_order.mp4";
await new Promise(r => video.oncanplay = r);
// The issue won't happen on the first seek, because the decoder hasn't been
// created yet.
video.currentTime = 0.1;
await new Promise(r => video.onseeked = r);
video.currentTime = 0.3;
await new Promise(r => video.onseeked = r);
// Since our media pipeline sends the frame to imageBridge, then fires
// a seeked event, the target frame may not be shown on the screen.
// So using canvas to access the target frame in the imageContainer in
// videoElement.
const canvas = document.getElementById("canvas");
canvas.width = video.videoWidth;
canvas.height = video.videoHeight;
const ctx = canvas.getContext("2d");
ctx.drawImage(video, 0, 0, video.videoWidth, video.videoHeight);
document.documentElement.removeAttribute('class');
};
window.addEventListener("MozReftestInvalidate", testFrameOrderAfterSeeking);
</script>
</body>
</html>
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