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Bug 1878039 - part2 : add test for mfcdm. r=jolin

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Differential Revision: https://phabricator.services.mozilla.com/D200985
This commit is contained in:
alwu 2024-02-10 00:24:33 +00:00
parent 4ab0545847
commit 28ab226d21
3 changed files with 146 additions and 2 deletions
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2
dom/media/test/mochitest_media_engine.toml
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@ -6,3 +6,5 @@ skip-if = ["!wmfme"]
["test_eme_mfcdm_generate_request.html"]
["test_eme_wideinve_l1_installation.html"]
["test_eme_mfcdm_getstatusforpolicy.html"]

115
dom/media/test/test_eme_mfcdm_getstatusforpolicy.html Normal file
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@ -0,0 +1,115 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Test getStatusForPolicy on MFCDM</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<script type="text/javascript" src="eme.js"></script>
</head>
<body>
<pre id="test">
<video id="v" controls></video>
<script class="testbody" type="text/javascript">
add_task(async function setupTestingPrefs() {
await SpecialPowers.pushPrefEnv({
set: [
["media.eme.hdcp-policy-check.enabled", true],
["media.wmf.media-engine.enabled", 2],
["media.eme.playready.enabled", true],
["media.eme.widevine.experiment.enabled", true],
// This is used to trigger Widevine CDM installation check
["media.gmp-widevinecdm-l1.enabled", true],
["media.eme.wmf.clearkey.enabled", true],
// Use the mock clearkey CDM to create cdm for all other key systems.
["media.eme.wmf.use-mock-cdm-for-external-cdms", true],
// Our mock CDM doesn't implement 'IsTypeSupportedEx()', only 'IsTypeSupported()'
["media.eme.playready.istypesupportedex", false],
],
});
});
// We expect that all key system have HDCP 2.1 compliant, which is pre-defined
// in `WMFClearKeyCDMFactory::IsTypeSupported`.
const expectedResults = [
{
minHdcpVersion : "1.0",
expectedResult : "usable"
},
{
minHdcpVersion : "1.1",
expectedResult : "usable"
},
{
minHdcpVersion : "1.2",
expectedResult : "usable"
},
{
minHdcpVersion : "1.3",
expectedResult : "usable"
},
{
minHdcpVersion : "1.4",
expectedResult : "usable"
},
{
minHdcpVersion : "2.0",
expectedResult : "usable"
},
{
minHdcpVersion : "2.1",
expectedResult : "usable"
},
{
minHdcpVersion : "2.2",
expectedResult : "output-restricted"
},
{
minHdcpVersion : "2.3",
expectedResult : "output-restricted"
},
];
const kKeySystems = [
"com.microsoft.playready.recommendation",
"com.microsoft.playready.recommendation.3000",
"com.microsoft.playready.recommendation.3000.clearlead",
"com.widevine.alpha.experiment",
"com.widevine.alpha.experiment2",
"org.w3.clearkey",
];
add_task(async function testGetStatusForPolicy() {
for (let keySystem of kKeySystems) {
for (let result of expectedResults) {
let mediaKey = await createMediaKeysAndSet(keySystem);
let video = document.getElementById("v");
is(video.mediaKeys, mediaKey,
"Should have set MediaKeys on media element");
let keyStatus = await
video.mediaKeys.getStatusForPolicy({minHdcpVersion : result.minHdcpVersion})
.catch(e => ok(false, "getStatusForPolicy failed!"));
info(`getStatusForPolicy for HDCP ${result.minHdcpVersion} : ${keyStatus}`);
is(keyStatus, result.expectedResult,
`Expected ${result.expectedResult}, got ${keyStatus}`);
}
}
});
// Helper function
function createMediaKeysAndSet(keySystem) {
return navigator.requestMediaKeySystemAccess(keySystem, gCencMediaKeySystemConfig)
.then(function (access) {
return access.createMediaKeys();
})
.then(function (mediaKeys) {
document.getElementById("v").setMediaKeys(mediaKeys);
return mediaKeys;
});
}
</script>
</pre>
</body>
</html>

31
media/wmf-clearkey/WMFClearKeyCDMFactory.cpp
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@ -4,6 +4,8 @@
#include "WMFClearKeyCDMFactory.h"
#include <string>
#include <Mferror.h>
#include "WMFClearKeyCDMAccess.h"
@ -15,11 +17,36 @@ using Microsoft::WRL::MakeAndInitialize;
ActivatableClass(WMFClearKeyCDMFactory);
bool isRequiringHDCP22OrAbove(LPCWSTR aType) {
if (aType == nullptr || *aType == L'\0') {
return false;
}
// The HDCP value follows the feature value in
// https://docs.microsoft.com/en-us/uwp/api/windows.media.protection.protectioncapabilities.istypesupported?view=winrt-19041
// - 1 (on without HDCP 2.2 Type 1 restriction)
// - 2 (on with HDCP 2.2 Type 1 restriction)
std::wstring wstr(aType);
std::string hdcpStr(wstr.begin(), wstr.end());
return wstr.find(L"hdcp=2") != std::string::npos;
}
STDMETHODIMP_(BOOL)
WMFClearKeyCDMFactory::IsTypeSupported(_In_ LPCWSTR aKeySystem,
_In_opt_ LPCWSTR aContentType) {
// For testing, always return support. Maybe we can block support for certain
// type if needed?
// For testing, return support for most of cases. Only returns false for some
// special cases.
bool needHDCP22OrAbove = isRequiringHDCP22OrAbove(aContentType);
ENTRY_LOG_ARGS("Need-HDCP2.2+=%d", needHDCP22OrAbove);
// As the API design of the Media Foundation, we can only know whether the
// requester is asking for HDCP 2.2+ or not, we can't know the exact HDCP
// version which is used in getStatusPolicy web api. Therefore, we pretend
// ourselves only having HDCP 2.1 compliant.
if (needHDCP22OrAbove) {
return false;
}
return true;
}