Line data    Source code

       1              : /*
       2              :  * If not stated otherwise in this file or this component's LICENSE file the
       3              :  * following copyright and licenses apply:
       4              :  *
       5              :  * Copyright 2023 Sky UK
       6              :  *
       7              :  * Licensed under the Apache License, Version 2.0 (the "License");
       8              :  * you may not use this file except in compliance with the License.
       9              :  * You may obtain a copy of the License at
      10              :  *
      11              :  * http://www.apache.org/licenses/LICENSE-2.0
      12              :  *
      13              :  * Unless required by applicable law or agreed to in writing, software
      14              :  * distributed under the License is distributed on an "AS IS" BASIS,
      15              :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      16              :  * See the License for the specific language governing permissions and
      17              :  * limitations under the License.
      18              :  */
      19              : 
      20              : #ifndef CDM_BACKEND_H_
      21              : #define CDM_BACKEND_H_
      22              : 
      23              : #include "ICdmBackend.h"
      24              : #include "Logger.h"
      25              : #include "MessageDispatcher.h"
      26              : #include <IControlClient.h>
      27              : #include <IMediaKeys.h>
      28              : #include <condition_variable>
      29              : #include <memory>
      30              : #include <mutex>
      31              : #include <string>
      32              : #include <vector>
      33              : 
      34              : class CdmBackend : public ICdmBackend, public firebolt::rialto::IControlClient
      35              : {
      36              : public:
      37              :     CdmBackend(const std::string &keySystem, const std::shared_ptr<firebolt::rialto::IMediaKeysClient> &mediaKeysClient,
      38              :                const std::shared_ptr<firebolt::rialto::IMediaKeysFactory> &mediaKeysFactory);
      39           85 :     ~CdmBackend() override = default;
      40              : 
      41              :     void notifyApplicationState(firebolt::rialto::ApplicationState state) override;
      42              : 
      43              :     bool initialize(const firebolt::rialto::ApplicationState &initialState) override;
      44              : 
      45              :     bool selectKeyId(int32_t keySessionId, const std::vector<uint8_t> &keyId) override;
      46              :     bool containsKey(int32_t keySessionId, const std::vector<uint8_t> &keyId) override;
      47              :     bool createKeySession(firebolt::rialto::KeySessionType sessionType, bool isLDL, int32_t &keySessionId) override;
      48              :     bool generateRequest(int32_t keySessionId, firebolt::rialto::InitDataType initDataType,
      49              :                          const std::vector<uint8_t> &initData) override;
      50              :     bool loadSession(int32_t keySessionId) override;
      51              :     bool updateSession(int32_t keySessionId, const std::vector<uint8_t> &responseData) override;
      52              :     bool setDrmHeader(int32_t keySessionId, const std::vector<uint8_t> &requestData) override;
      53              :     bool closeKeySession(int32_t keySessionId) override;
      54              :     bool removeKeySession(int32_t keySessionId) override;
      55              :     bool deleteDrmStore() override;
      56              :     bool deleteKeyStore() override;
      57              :     bool getDrmStoreHash(std::vector<unsigned char> &drmStoreHash) override;
      58              :     bool getKeyStoreHash(std::vector<unsigned char> &keyStoreHash) override;
      59              :     bool getLdlSessionsLimit(uint32_t &ldlLimit) override;
      60              :     bool getLastDrmError(int32_t keySessionId, uint32_t &errorCode) override;
      61              :     bool getDrmTime(uint64_t &drmTime) override;
      62              :     bool getCdmKeySessionId(int32_t keySessionId, std::string &cdmKeySessionId) override;
      63              :     bool releaseKeySession(int32_t keySessionId) override;
      64              :     bool getMetricSystemData(std::vector<uint8_t> &buffer) override;
      65              : 
      66              : private:
      67              :     bool createMediaKeys();
      68              : 
      69              : private:
      70              :     Logger m_log;
      71              :     std::mutex m_mutex;
      72              :     std::condition_variable m_cv;
      73              :     firebolt::rialto::ApplicationState m_appState;
      74              :     const std::string m_keySystem;
      75              :     std::shared_ptr<firebolt::rialto::IMediaKeysClient> m_mediaKeysClient;
      76              :     std::shared_ptr<firebolt::rialto::IMediaKeysFactory> m_mediaKeysFactory;
      77              :     std::unique_ptr<firebolt::rialto::IMediaKeys> m_mediaKeys;
      78              : };
      79              : 
      80              : #endif // CDM_BACKEND_H_