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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "ClearKeyCryptoPlugin"
#include <utils/Log.h>
#include <media/stagefright/MediaErrors.h>
#include <utils/StrongPointer.h>
#include "DrmPlugin.h"
#include "Session.h"
namespace clearkeydrm {
using android::sp;
status_t DrmPlugin::openSession(Vector<uint8_t>& sessionId) {
sp<Session> session = mSessionLibrary->createSession();
sessionId = session->sessionId();
return android::OK;
}
status_t DrmPlugin::closeSession(const Vector<uint8_t>& sessionId) {
sp<Session> session = mSessionLibrary->findSession(sessionId);
mSessionLibrary->destroySession(session);
return android::OK;
}
status_t DrmPlugin::getKeyRequest(
const Vector<uint8_t>& scope,
const Vector<uint8_t>& initData,
const String8& initDataType,
KeyType keyType,
const KeyedVector<String8, String8>& optionalParameters,
Vector<uint8_t>& request,
String8& defaultUrl) {
UNUSED(optionalParameters);
if (keyType != kKeyType_Streaming) {
return android::ERROR_DRM_CANNOT_HANDLE;
}
sp<Session> session = mSessionLibrary->findSession(scope);
defaultUrl.clear();
return session->getKeyRequest(initData, initDataType, &request);
}
status_t DrmPlugin::provideKeyResponse(
const Vector<uint8_t>& scope,
const Vector<uint8_t>& response,
Vector<uint8_t>& keySetId) {
sp<Session> session = mSessionLibrary->findSession(scope);
status_t res = session->provideKeyResponse(response);
if (res == android::OK) {
keySetId.clear();
}
return res;
}
status_t DrmPlugin::getPropertyString(
const String8& name, String8& value) const {
if (name == "vendor") {
value = "Google";
} else if (name == "version") {
value = "1.0";
} else if (name == "description") {
value = "ClearKey CDM";
} else if (name == "algorithms") {
value = "";
} else {
ALOGE("App requested unknown string property %s", name.string());
return android::ERROR_DRM_CANNOT_HANDLE;
}
return android::OK;
}
} // namespace clearkeydrm
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