1 /* 2 * Copyright (C) 2009 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 PLAYER_SERVICE_FILE_SOURCE_H_ 18 19 #define PLAYER_SERVICE_FILE_SOURCE_H_ 20 21 #include <stdio.h> 22 23 #include <datasource/FileSource.h> 24 #include <media/stagefright/MediaErrors.h> 25 #include <utils/threads.h> 26 #include <drm/DrmManagerClient.h> 27 28 namespace android { 29 30 // FileSource implementation which works on MediaPlayerService. 31 // Supports OMA(forword-lock) files. 32 class PlayerServiceFileSource : public FileSource { 33 public: 34 PlayerServiceFileSource(const char *filename); 35 // PlayerServiceFileSource takes ownership and will close the fd 36 PlayerServiceFileSource(int fd, int64_t offset, int64_t length); 37 38 virtual ssize_t readAt(off64_t offset, void *data, size_t size); 39 40 static bool requiresDrm(int fd, int64_t offset, int64_t length, const char *mime); 41 42 protected: 43 virtual ~PlayerServiceFileSource(); 44 45 private: 46 /*for DRM*/ 47 sp<DecryptHandle> mDecryptHandle; 48 DrmManagerClient *mDrmManagerClient; 49 int64_t mDrmBufOffset; 50 ssize_t mDrmBufSize; 51 unsigned char *mDrmBuf; 52 53 sp<DecryptHandle> DrmInitialization(const char *mime); 54 ssize_t readAtDRM_l(off64_t offset, void *data, size_t size); 55 56 PlayerServiceFileSource(const PlayerServiceFileSource &); 57 PlayerServiceFileSource &operator=(const PlayerServiceFileSource &); 58 }; 59 60 } // namespace android 61 62 #endif // PLAYER_SERVICE_FILE_SOURCE_H_ 63 64