test_hevc_support.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<head>

<title>Test HEVC video support</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

<script type="application/javascript">

/**

 * This test is used to check we can get correct HEVC support information from

 * `canPlayType` and mediaCapabilities API on different platforms.

*/

add_task(async function testHEVCSupport() {

  const os = SpecialPowers.Services.appinfo.OS;

  const contentType = 'video/mp4; codecs="hev1.1.6.L93.B0"';

  const canPlay = document.createElement('video').canPlayType(contentType);

  if (os == "WINNT") {

    ok(canPlay != "", `HEVC is supported`);

  } else {

    ok(canPlay == "", "HEVC is not supported on current platform");

  const videoConfiguration = {

    type: "file",

    video: {

      contentType,

      width: 1920,

      height: 1080,

      bitrate: 1000000,

      framerate: 30,

},

};

  const capability = await navigator.mediaCapabilities.decodingInfo(videoConfiguration);

  if (os == "WINNT") {

    ok(capability.supported, `HEVC is supported`);

    ok(capability.powerEfficient, `HEVC is powerEfficient`);

  } else {

    ok(!capability.supported, "HEVC is not supported on current platform");

});

</script>

</head>

<body>

</body>

</html>