| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Firefox/dom/media/test/reftest/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 1 kB |
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Quelle frame_order_mp4.html Sprache: HTML |
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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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2026-04-04