test_mediacapabilities_drm_hardware_encryption.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>Hardware DRM powerEfficient</title>

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

  <script type="application/javascript" src="manifest.js"></script>

  <script type="application/javascript" src="mediacapabilities_drm_utils.js"></script>

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

</head>

<body>

<script type="application/javascript">

// Verify that hardware-DRM (PlayReady robustness=3000 via the WMF media engine

// mock CDM) sets powerEfficient=true, and that RFP suppresses the entire

// hardware-DRM result (supported=false, smooth=false, powerEfficient=false).

const kPlayReady = "com.microsoft.playready.recommendation";

add_task(async function setupPrefs() {

  await SpecialPowers.pushPrefEnv({

    set: [

      ["media.wmf.media-engine.enabled", 2],

      ["media.eme.playready.enabled", true],

      ["media.eme.wmf.clearkey.enabled", true],

      ["media.eme.wmf.use-mock-cdm-for-external-cdms", true],

],

});

});

const kVideoConfig = {

  contentType: 'video/mp4; codecs="avc1.640028"',

  width: 1280,

  height: 720,

  bitrate: 3000,

  framerate: 30,

};

add_task(async function testPlayReadyHardwareEncryption() {

  const result = await createEMEDecodingInfo({

    keySystem: kPlayReady,

    robustness: "3000",

    videoConfig: kVideoConfig,

    resistFingerprinting: false,

});

  is(result.supported, true, "PlayReady 3000 should be supported");

  is(result.powerEfficient, true,

     "Hardware DRM must report powerEfficient=true");

});

add_task(async function testPlayReadyHardwareEncryptionRFP() {

  const result = await createEMEDecodingInfo({

    keySystem: kPlayReady,

    robustness: "3000",

    videoConfig: kVideoConfig,

    resistFingerprinting: true,

});

  is(result.supported, false,

     "Hardware DRM under RFP must report supported=false");

  is(result.smooth, false,

     "Hardware DRM under RFP must report smooth=false");

  is(result.powerEfficient, false,

     "Hardware DRM under RFP must report powerEfficient=false");

});

</script>

</body>

</html>