diff options
Diffstat (limited to 'media/gmp-clearkey/0.1/ClearKeySession.cpp')
-rw-r--r-- | media/gmp-clearkey/0.1/ClearKeySession.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/media/gmp-clearkey/0.1/ClearKeySession.cpp b/media/gmp-clearkey/0.1/ClearKeySession.cpp new file mode 100644 index 0000000000..b5454d1d0e --- /dev/null +++ b/media/gmp-clearkey/0.1/ClearKeySession.cpp @@ -0,0 +1,67 @@ +/* + * Copyright 2015, Mozilla Foundation and contributors + * + * 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. + */ + +#include <assert.h> +#include <string.h> + +#include "BigEndian.h" +#include "ClearKeyDecryptionManager.h" +#include "ClearKeySession.h" +#include "ClearKeyStorage.h" +#include "ClearKeyUtils.h" +#include "psshparser/PsshParser.h" + +using namespace mozilla; +using namespace cdm; + +ClearKeySession::ClearKeySession(const std::string& aSessionId, + SessionType aSessionType) + : mSessionId(aSessionId), mSessionType(aSessionType) { + CK_LOGD("ClearKeySession ctor %p", this); +} + +ClearKeySession::~ClearKeySession() { + CK_LOGD("ClearKeySession dtor %p", this); +} + +bool ClearKeySession::Init(InitDataType aInitDataType, const uint8_t* aInitData, + uint32_t aInitDataSize) { + CK_LOGD("ClearKeySession::Init"); + + if (aInitDataType == InitDataType::kCenc) { + ParseCENCInitData(aInitData, aInitDataSize, mKeyIds); + } else if (aInitDataType == InitDataType::kKeyIds) { + ClearKeyUtils::ParseKeyIdsInitData(aInitData, aInitDataSize, mKeyIds); + } else if (aInitDataType == InitDataType::kWebM && + aInitDataSize <= kMaxWebmInitDataSize) { + // "webm" initData format is simply the raw bytes of the keyId. + std::vector<uint8_t> keyId; + keyId.assign(aInitData, aInitData + aInitDataSize); + mKeyIds.push_back(keyId); + } + + if (mKeyIds.empty()) { + return false; + } + + return true; +} + +SessionType ClearKeySession::Type() const { return mSessionType; } + +void ClearKeySession::AddKeyId(const KeyId& aKeyId) { + mKeyIds.push_back(aKeyId); +} |