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 MIDI_IO_WRAPPER_H_ 18 #define MIDI_IO_WRAPPER_H_ 19 20 #include <libsonivox/eas_types.h> 21 22 #include <media/DataSourceBase.h> 23 24 namespace android { 25 26 struct CDataSource; 27 class DataSourceUnwrapper; 28 29 class MidiIoWrapper { 30 public: 31 explicit MidiIoWrapper(const char *path); 32 explicit MidiIoWrapper(int fd, off64_t offset, int64_t size); 33 explicit MidiIoWrapper(CDataSource *csource); 34 35 ~MidiIoWrapper(); 36 37 int readAt(void *buffer, int offset, int size); 38 int size(); 39 40 EAS_FILE_LOCATOR getLocator(); 41 42 private: 43 int mFd; 44 off64_t mBase; 45 int64_t mLength; 46 DataSourceUnwrapper *mDataSource; 47 EAS_FILE mEasFile; 48 }; 49 50 51 } // namespace android 52 53 #endif // MIDI_IO_WRAPPER_H_ 54