DrmEngineBase.h revision 2272ee27d9022d173b6eab45c409b3c3f57f30ec
127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi/* 227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Copyright (C) 2010 The Android Open Source Project 327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Licensed under the Apache License, Version 2.0 (the "License"); 527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * you may not use this file except in compliance with the License. 627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * You may obtain a copy of the License at 727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * http://www.apache.org/licenses/LICENSE-2.0 927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 1027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Unless required by applicable law or agreed to in writing, software 1127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * distributed under the License is distributed on an "AS IS" BASIS, 1227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * See the License for the specific language governing permissions and 1427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * limitations under the License. 1527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 1627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 1727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi#ifndef __DRM_ENGINE_BASE_H__ 1827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi#define __DRM_ENGINE_BASE_H__ 1927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 2027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi#include <drm/drm_framework_common.h> 2127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi#include "IDrmEngine.h" 2227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 2327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshinamespace android { 2427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 2527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi/** 2627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * This class is an interface for plug-in developers 2727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 2827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Responsibility of this class is control the sequence of actual plug-in. 2927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * All each plug-in developer has to do is implement onXXX() type virtual interfaces. 3027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 3127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshiclass DrmEngineBase : public IDrmEngine { 3227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshipublic: 3327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmEngineBase(); 3427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual ~DrmEngineBase(); 3527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 3627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshipublic: 3727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmConstraints* getConstraints(int uniqueId, const String8* path, int action); 3827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 3927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi status_t initialize(int uniqueId); 4027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 4127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi status_t setOnInfoListener(int uniqueId, const IDrmEngine::OnInfoListener* infoListener); 4227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 4327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi status_t terminate(int uniqueId); 4427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 4527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi bool canHandle(int uniqueId, const String8& path); 4627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 4727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo); 4827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 492272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t saveRights(int uniqueId, const DrmRights& drmRights, 5027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi const String8& rightsPath, const String8& contentPath); 5127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 5227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInfoRequest); 5327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 5427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi String8 getOriginalMimeType(int uniqueId, const String8& path); 5527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 5627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType); 5727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 5827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int checkRightsStatus(int uniqueId, const String8& path, int action); 5927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 602272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve); 6127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 622272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t setPlaybackStatus( 6327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position); 6427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 6527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi bool validateAction( 6627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, const String8& path, int action, const ActionDescription& description); 6727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 682272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t removeRights(int uniqueId, const String8& path); 6927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 702272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t removeAllRights(int uniqueId); 7127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 722272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t openConvertSession(int uniqueId, int convertId); 7327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 7427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData); 7527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 7627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId); 7727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 7827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi DrmSupportInfo* getSupportInfo(int uniqueId); 7927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 8027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi status_t openDecryptSession( 8127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length); 8227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 832272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle); 8427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 852272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 8627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int decryptUnitId, const DrmBuffer* headerInfo); 8727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 882272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 892272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); 9027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 912272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId); 9227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 9327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 9427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi void* buffer, ssize_t numBytes, off_t offset); 9527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 9627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshiprotected: 9727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi ///////////////////////////////////////////////////// 9827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi // Interface for plug-in developers // 9927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi // each plug-in has to implement following method // 10027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi ///////////////////////////////////////////////////// 10127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 10227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Get constraint information associated with input content 10327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 10427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 10527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the protected content 10627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] action Actions defined such as, 10727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Action::DEFAULT, Action::PLAY, etc 10827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return DrmConstraints 10927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * key-value pairs of constraint are embedded in it 11027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @note 11127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * In case of error, return NULL 11227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 11327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmConstraints* onGetConstraints( 11427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, const String8* path, int action) = 0; 11527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 11627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 11727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Initialize plug-in 11827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 11927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 12027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return status_t 12127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 12227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 12327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual status_t onInitialize(int uniqueId) = 0; 12427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 12527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 12627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Register a callback to be invoked when the caller required to 12727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * receive necessary information 12827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 12927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 13027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] infoListener Listener 13127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return status_t 13227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 13327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 13427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual status_t onSetOnInfoListener( 13527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, const IDrmEngine::OnInfoListener* infoListener) = 0; 13627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 13727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 13827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Terminate the plug-in 13927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * and release resource bound to plug-in 14027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 14127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 14227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return status_t 14327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 14427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 14527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual status_t onTerminate(int uniqueId) = 0; 14627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 14727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 14827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Get whether the given content can be handled by this plugin or not 14927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 15027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 15127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path the protected object 15227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return bool 15327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns true if this plugin can handle , false in case of not able to handle 15427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 15527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual bool onCanHandle(int uniqueId, const String8& path) = 0; 15627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 15727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 15827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Executes given drm information based on its type 15927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 16027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 16127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] drmInfo Information needs to be processed 16227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return DrmInfoStatus 16327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * instance as a result of processing given input 16427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 16527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmInfoStatus* onProcessDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0; 16627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 16727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 16827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Save DRM rights to specified rights path 16927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * and make association with content path 17027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 17127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 17227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] drmRights DrmRights to be saved 17327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] rightsPath File path where rights to be saved 17427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] contentPath File path where content was saved 1752272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 1762272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 17727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 1782272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onSaveRights(int uniqueId, const DrmRights& drmRights, 17927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi const String8& rightspath, const String8& contentPath) = 0; 18027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 18127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 18227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Retrieves necessary information for registration, unregistration or rights 18327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * acquisition information. 18427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 18527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 18627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] drmInfoRequest Request information to retrieve drmInfo 18727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return DrmInfo 18827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * instance as a result of processing given input 18927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 19027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmInfo* onAcquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0; 19127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 19227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 19327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Retrieves the mime type embedded inside the original content 19427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 19527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 19627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the protected content 19727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return String8 19827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns mime-type of the original content, such as "video/mpeg" 19927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 20027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual String8 onGetOriginalMimeType(int uniqueId, const String8& path) = 0; 20127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 20227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 20327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Retrieves the type of the protected object (content, rights, etc..) 20427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * using specified path or mimetype. At least one parameter should be non null 20527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * to retrieve DRM object type 20627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 20727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 20827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the content or null. 20927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] mimeType Mime type of the content or null. 21027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return type of the DRM content, 21127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * such as DrmObjectType::CONTENT, DrmObjectType::RIGHTS_OBJECT 21227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 21327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual int onGetDrmObjectType( 21427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, const String8& path, const String8& mimeType) = 0; 21527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 21627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 21727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Check whether the given content has valid rights or not 21827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 21927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 22027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the protected content 22127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] action Action to perform (Action::DEFAULT, Action::PLAY, etc) 22227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return the status of the rights for the protected content, 22327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * such as RightsStatus::RIGHTS_VALID, RightsStatus::RIGHTS_EXPIRED, etc. 22427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 22527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual int onCheckRightsStatus(int uniqueId, const String8& path, int action) = 0; 22627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 22727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 22827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Consumes the rights for a content. 22927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * If the reserve parameter is true the rights is reserved until the same 23027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * application calls this api again with the reserve parameter set to false. 23127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 23227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 23327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the decryption session 23427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] action Action to perform. (Action::DEFAULT, Action::PLAY, etc) 23527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] reserve True if the rights should be reserved. 2362272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 2372272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 23827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 2392272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onConsumeRights(int uniqueId, DecryptHandle* decryptHandle, 24027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int action, bool reserve) = 0; 24127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 24227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 24327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Informs the DRM Engine about the playback actions performed on the DRM files. 24427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 24527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 24627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the decryption session 24727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] playbackStatus Playback action (Playback::START, Playback::STOP, Playback::PAUSE) 24827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] position Position in the file (in milliseconds) where the start occurs. 24927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Only valid together with Playback::START. 2502272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 2512272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 25227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 2532272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onSetPlaybackStatus( 25427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position) = 0; 25527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 25627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 25727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Validates whether an action on the DRM content is allowed or not. 25827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 25927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 26027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the protected content 26127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] action Action to validate (Action::PLAY, Action::TRANSFER, etc) 26227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] description Detailed description of the action 26327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return true if the action is allowed. 26427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 26527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual bool onValidateAction(int uniqueId, const String8& path, 26627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int action, const ActionDescription& description) = 0; 26727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 26827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 26927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Removes the rights associated with the given protected content 27027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 27127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 27227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] path Path of the protected content 2732272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 2742272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 27527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 2762272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onRemoveRights(int uniqueId, const String8& path) = 0; 27727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 27827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 27927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Removes all the rights information of each plug-in associated with 28027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * DRM framework. Will be used in master reset 28127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 28227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 2832272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 2842272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 28527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 2862272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onRemoveAllRights(int uniqueId) = 0; 28727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 28827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 28927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * This API is for Forward Lock based DRM scheme. 29027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Each time the application tries to download a new DRM file 29127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * which needs to be converted, then the application has to 29227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * begin with calling this API. 29327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 29427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 29527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] convertId Handle for the convert session 2962272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 2972272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 29827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 2992272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onOpenConvertSession(int uniqueId, int convertId) = 0; 30027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 30127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 30227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Accepts and converts the input data which is part of DRM file. 30327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * The resultant converted data and the status is returned in the DrmConvertedInfo 30427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * object. This method will be called each time there are new block 30527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * of data received by the application. 30627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 30727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 30827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] convertId Handle for the convert session 30927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] inputData Input Data which need to be converted 31027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return Return object contains the status of the data conversion, 31127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * the output converted data and offset. In this case the 31227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * application will ignore the offset information. 31327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 31427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmConvertedStatus* onConvertData( 31527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, int convertId, const DrmBuffer* inputData) = 0; 31627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 31727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 31827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Informs the Drm Agent when there is no more data which need to be converted 31927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * or when an error occurs. Upon successful conversion of the complete data, 32027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * the agent will inform that where the header and body signature 32127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * should be added. This signature appending is needed to integrity 32227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * protect the converted file. 32327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 32427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 32527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] convertId Handle for the convert session 32627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return Return object contains the status of the data conversion, 32727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * the header and body signature data. It also informs 32827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * the application on which offset these signature data 32927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * should be appended. 33027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 33127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmConvertedStatus* onCloseConvertSession(int uniqueId, int convertId) = 0; 33227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 33327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 33427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns the information about the Drm Engine capabilities which includes 33527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * supported MimeTypes and file suffixes. 33627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 33727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 33827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return DrmSupportInfo 33927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * instance which holds the capabilities of a plug-in 34027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 34127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual DrmSupportInfo* onGetSupportInfo(int uniqueId) = 0; 34227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 34327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 34427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Open the decrypt session to decrypt the given protected content 34527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 34627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 34727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the current decryption session 34827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] fd File descriptor of the protected content to be decrypted 34927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] offset Start position of the content 35027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] length The length of the protected content 35127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return 35227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * DRM_ERROR_CANNOT_HANDLE for failure and DRM_NO_ERROR for success 35327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 35427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual status_t onOpenDecryptSession( 35527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, DecryptHandle* decryptHandle, int fd, int offset, int length) = 0; 35627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 35727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 35827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Close the decrypt session for the given handle 35927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 36027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 36127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the decryption session 3622272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 3632272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 36427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 3652272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onCloseDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0; 36627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 36727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 36827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Initialize decryption for the given unit of the protected content 36927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 37027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 37127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptId Handle for the decryption session 37227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID 37327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] headerInfo Information for initializing decryption of this decrypUnit 3742272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 3752272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 37627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 3772272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onInitializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 37827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int decryptUnitId, const DrmBuffer* headerInfo) = 0; 37927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 38027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 38127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Decrypt the protected content buffers for the given unit 38227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * This method will be called any number of times, based on number of 38327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * encrypted streams received from application. 38427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 38527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 38627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptId Handle for the decryption session 38727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID 38827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] encBuffer Encrypted data block 38927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[out] decBuffer Decrypted data block 3902272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @param[in] IV Optional buffer 39127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return status_t 39227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Returns the error code for this API 39327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * DRM_NO_ERROR for success, and one of DRM_ERROR_UNKNOWN, DRM_ERROR_LICENSE_EXPIRED 39427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * DRM_ERROR_SESSION_NOT_OPENED, DRM_ERROR_DECRYPT_UNIT_NOT_INITIALIZED, 39527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * DRM_ERROR_DECRYPT for failure. 39627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 3972272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onDecrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 3982272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) = 0; 39927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 40027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 40127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Finalize decryption for the given unit of the protected content 40227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 40327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 40427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the decryption session 40527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptUnitId ID Specifies decryption unit, such as track ID 4062272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * @return status_t 4072272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi * Returns DRM_NO_ERROR for success, DRM_ERROR_UNKNOWN for failure 40827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 4092272ee27d9022d173b6eab45c409b3c3f57f30ecTakeshi Aimi virtual status_t onFinalizeDecryptUnit( 41027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0; 41127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 41227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi /** 41327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * Reads the specified number of bytes from an open DRM file. 41427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 41527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] uniqueId Unique identifier for a session 41627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] decryptHandle Handle for the decryption session 41727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[out] buffer Reference to the buffer that should receive the read data. 41827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] numBytes Number of bytes to read. 41927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @param[in] offset Offset with which to update the file position. 42027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * 42127ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi * @return Number of bytes read. Returns -1 for Failure. 42227ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi */ 42327ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi virtual ssize_t onPread(int uniqueId, DecryptHandle* decryptHandle, 42427ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi void* buffer, ssize_t numBytes, off_t offset) = 0; 42527ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi}; 42627ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 42727ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi}; 42827ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 42927ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi#endif /* __DRM_ENGINE_BASE_H__ */ 43027ed8ad2db653f6ac07dcf8bcc05e2409c8bb024aimitakeshi 431