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 FILE_SOURCE_H_ 18 19 #define FILE_SOURCE_H_ 20 21 #include <stdio.h> 22 23 #include <media/stagefright/DataSource.h> 24 #include <media/stagefright/MediaErrors.h> 25 #include <utils/threads.h> 26 #include <drm/DrmManagerClient.h> 27 28 namespace android { 29 30 class FileSource : public DataSource { 31 public: 32 FileSource(const char *filename); 33 FileSource(int fd, int64_t offset, int64_t length); 34 35 virtual status_t initCheck() const; 36 37 virtual ssize_t readAt(off64_t offset, void *data, size_t size); 38 39 virtual status_t getSize(off64_t *size); 40 41 virtual sp<DecryptHandle> DrmInitialization(const char *mime); 42 43 virtual void getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client); 44 45 protected: 46 virtual ~FileSource(); 47 48 private: 49 int mFd; 50 int64_t mOffset; 51 int64_t mLength; 52 Mutex mLock; 53 54 /*for DRM*/ 55 sp<DecryptHandle> mDecryptHandle; 56 DrmManagerClient *mDrmManagerClient; 57 int64_t mDrmBufOffset; 58 int64_t mDrmBufSize; 59 unsigned char *mDrmBuf; 60 61 ssize_t readAtDRM(off64_t offset, void *data, size_t size); 62 63 FileSource(const FileSource &); 64 FileSource &operator=(const FileSource &); 65 }; 66 67 } // namespace android 68 69 #endif // FILE_SOURCE_H_ 70 71
