<!DOCTYPE HTML> <html> <head> <title>MSE: append initialization only</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script type="text/javascript" src="mediasource.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <pre id="test"> <script class="testbody" type="text/javascript"> SimpleTest.waitForExplicitFinish(); runWithMSE(async (ms, v) => { await once(ms, "sourceopen"); const sb = ms.addSourceBuffer("video/mp4"); sb.appendBuffer(new Uint8Array(await fetchWithXHR("bipbop/bipbop2s.mp4"), 0, 1395)); v.play(); await once(v, "loadedmetadata"); ok(true, "Got loadedmetadata event"); is(v.videoWidth, 400, "videoWidth has correct initial value"); is(v.videoHeight, 300, "videoHeight has correct initial value"); SimpleTest.finish(); }); </script> </pre> </body> </html>