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/stagefright/DataSource.h"
23 
24 namespace android {
25 
26 class MidiIoWrapper : public RefBase {
27 public:
28     MidiIoWrapper(const char *path);
29     MidiIoWrapper(int fd, off64_t offset, int64_t size);
30     MidiIoWrapper(const sp<DataSource> &source);
31 
32     ~MidiIoWrapper();
33 
34     int readAt(void *buffer, int offset, int size);
35     int size();
36 
37     EAS_FILE_LOCATOR getLocator();
38 
39 private:
40     int mFd;
41     off64_t mBase;
42     int64_t  mLength;
43     sp<DataSource> mDataSource;
44     EAS_FILE mEasFile;
45 };
46 
47 
48 }  // namespace android
49 
50 #endif // MIDI_IO_WRAPPER_H_
51