1a8aa0dd05
Builds libwvmdrmengine.so, which is loaded by the new MediaDrm APIs to support playback of Widevine/CENC protected content. Change-Id: I6f57dd37083dfd96c402cb9dd137c7d74edc8f1c
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
// Copyright 2012 Google Inc. All Rights Reserved.
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//
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// OEMCrypto Client - wrapper class for C-style OEMCrypto interface
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//
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#ifndef CDM_BASE_CRYPTO_ENGINE_H_
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#define CDM_BASE_CRYPTO_ENGINE_H_
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#include "crypto_session.h"
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#include "lock.h"
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#include "wv_cdm_types.h"
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namespace wvcdm {
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typedef std::map<CdmSessionId,CryptoSession*> CryptoSessionMap;
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class CryptoEngine {
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friend class CryptoSession;
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private:
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CryptoEngine();
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~CryptoEngine();
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public:
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// get an instance of Crypto engine
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static CryptoEngine* GetInstance();
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bool Init();
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bool Terminate();
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bool ValidateKeybox();
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CryptoSession* CreateSession(const CdmSessionId& session_id);
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CryptoSession* FindSession(const CdmSessionId& session_id);
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bool DestroySession(const CdmSessionId& session_id);
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bool DestroySessions();
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bool GetToken(std::string* token);
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private:
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void DeleteInstance();
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static CryptoEngine* CreateSingleton();
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CryptoSession* FindSessionInternal(const CdmSessionId& session_id);
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static CryptoEngine* crypto_engine_;
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static Lock crypto_engine_lock_;
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bool initialized_;
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mutable Lock crypto_lock_;
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mutable Lock sessions_lock_;
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CryptoSessionMap sessions_;
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CORE_DISALLOW_COPY_AND_ASSIGN(CryptoEngine);
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};
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}; // namespace wvcdm
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#endif // CDM_BASE_CRYPTO_ENGINE_H_
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