1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef CLEARKEY_CRYPTO_PLUGIN_H_ 18 #define CLEARKEY_CRYPTO_PLUGIN_H_ 19 20 #include <media/hardware/CryptoAPI.h> 21 #include <media/stagefright/foundation/ABase.h> 22 #include <media/stagefright/foundation/AString.h> 23 #include <utils/Errors.h> 24 #include <utils/StrongPointer.h> 25 26 #include "ClearKeyTypes.h" 27 #include "Session.h" 28 #include "Utils.h" 29 30 namespace clearkeydrm { 31 32 class CryptoPlugin : public android::CryptoPlugin { 33 public: CryptoPlugin(const android::Vector<uint8_t> & sessionId)34 CryptoPlugin(const android::Vector<uint8_t>& sessionId) { 35 mInitStatus = setMediaDrmSession(sessionId); 36 } 37 ~CryptoPlugin()38 virtual ~CryptoPlugin() {} 39 requiresSecureDecoderComponent(const char * mime)40 virtual bool requiresSecureDecoderComponent(const char* mime) const { 41 UNUSED(mime); 42 return false; 43 } 44 45 virtual ssize_t decrypt( 46 bool secure, const KeyId keyId, const Iv iv, 47 Mode mode, const Pattern &pattern, const void* srcPtr, 48 const SubSample* subSamples, size_t numSubSamples, 49 void* dstPtr, android::AString* errorDetailMsg); 50 51 virtual android::status_t setMediaDrmSession( 52 const android::Vector<uint8_t>& sessionId); 53 getInitStatus()54 android::status_t getInitStatus() const {return mInitStatus;} 55 56 private: 57 DISALLOW_EVIL_CONSTRUCTORS(CryptoPlugin); 58 59 android::sp<Session> mSession; 60 android::status_t mInitStatus; 61 }; 62 63 } // namespace clearkeydrm 64 65 #endif // CLEARKEY_CRYPTO_PLUGIN_H_ 66