mozilla-central/dom/media/test/test_hevc_support.html (file symbol)

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Test Info: Warnings

<!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.
*/
const contentType = 'video/mp4; codecs="hev1.1.6.L93.B0"';
const videoConfiguration = {
type: "file",
video: {
contentType,
width: 1920,
height: 1080,
bitrate: 1000000,
framerate: 30,
},
};
add_task(async function testHEVCSupport() {
// Disable fingerprinting resistance/protection to get an accurate result.
await SpecialPowers.pushPrefEnv({
set: [
["privacy.resistFingerprinting", false],
["privacy.fingerprintingProtection", false],
],
});
const os = SpecialPowers.Services.appinfo.OS;
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 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");
}
});
add_task(async function testHEVCPrefSupportOnWindows() {
if (SpecialPowers.Services.appinfo.OS != "WINNT") {
ok(true, "No need to run this task");
return;
}
// Enable HEVC for normal playback and media engine playback
await SpecialPowers.pushPrefEnv({
set: [
["media.wmf.hevc.enabled", 1],
],
});
let capability = await navigator.mediaCapabilities.decodingInfo(videoConfiguration);
ok(capability.supported, `HEVC is supported`);
// Enable HEVC for only media engine encrypted playback, which makes
// non-encrypted HEVC unsupported, but encrypted HEVC is still supported.
info(`Turn off HEVC for normal non-encrypted playback`);
await SpecialPowers.pushPrefEnv({
set: [
["media.wmf.hevc.enabled", 2],
["media.wmf.media-engine.enabled", 2],
["media.eme.playready.enabled", true],
["media.eme.mfcdm.origin-filter.enabled", 0],
],
});
capability = await navigator.mediaCapabilities.decodingInfo(videoConfiguration);
ok(!capability.supported, "Non-encrypted HEVC is not supported");
info(`Encrypted HEVC should still be supported via the media engine`);
const videoEncryptedConfig = {...videoConfiguration};
videoEncryptedConfig.keySystemConfiguration = {
keySystem: "com.microsoft.playready.recommendation",
};
capability = await navigator.mediaCapabilities.decodingInfo(videoEncryptedConfig);
ok(capability.supported, `Encrypted HEVC is supported`);
});
</script>
</head>
<body>
</body>
</html>