opencdmsession.h

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/*
 * If not stated otherwise in this file or this component's license file the
 * following copyright and licenses apply:
 *
 * Copyright 2018 RDK Management
 *
 * 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.
*/
 
/**
 * @file opencdmsession.h
 * @brief DRM Session management for Aamp
 *
 */
 
#ifndef OpenCDMSession_h
#define OpenCDMSession_h
 
#include "AampDrmSession.h"
#include "aampoutputprotection.h"
#include <open_cdm.h>
using namespace std;
 
/**
 * @class AAMPOCDMSession
 * @brief Open CDM DRM session
 */
class AAMPOCDMSession : public AampDrmSession
{
 
private:
        pthread_mutex_t decryptMutex;
 
        AampOutputProtection* m_pOutputProtection;
        KeyState m_eKeyState;
        media::OpenCdm* m_pOpencdm;
        media::OpenCdm* m_pOpencdmDecrypt;
        string m_sessionID;
        void initAampDRMSession();
 
public:
        AAMPOCDMSession(AampLogManager *logObj, const string& keySystem);
        ~AAMPOCDMSession();
        AAMPOCDMSession(const AAMPOCDMSession&) = delete;
        AAMPOCDMSession& operator=(const AAMPOCDMSession&) = delete;
        void generateAampDRMSession(const uint8_t *f_pbInitData,
        uint32_t f_cbInitData, std::string &customData);
        DrmData * aampGenerateKeyRequest(string& destinationURL, uint32_t timeout);
        int aampDRMProcessKey(DrmData* key, uint32_t timeout);
        int decrypt(const uint8_t *f_pbIV, uint32_t f_cbIV,
        const uint8_t *payloadData, uint32_t payloadDataSize, uint8_t **ppOpaqueData);
        KeyState getState();
        void clearDecryptContext();
};
 
#endif