1 /*
2  * Copyright (C) 2012 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 ANDROID_AUDIO_LIBSNDFILE_SINK_H
18 #define ANDROID_AUDIO_LIBSNDFILE_SINK_H
19 
20 #include <media/nbaio/NBAIO.h>
21 
22 #include "sndfile.h"
23 
24 // Implementation of NBAIO_Sink that wraps a libsndfile opened in SFM_WRITE mode
25 
26 namespace android {
27 
28 class LibsndfileSink : public NBAIO_Sink {
29 
30 public:
31     LibsndfileSink(SNDFILE *sndfile, const SF_INFO &sfinfo);
32     virtual ~LibsndfileSink();
33 
34     // NBAIO_Port interface
35 
36     //virtual ssize_t negotiate(const NBAIO_Format offers[], size_t numOffers,
37     //                          NBAIO_Format counterOffers[], size_t& numCounterOffers);
38     //virtual NBAIO_Format format() const;
39 
40     // NBAIO_Sink interface
41 
42     //virtual size_t framesWritten() const;
43     //virtual size_t framesUnderrun() const;
44     //virtual size_t underruns() const;
45     //virtual ssize_t availableToWrite();
46     virtual ssize_t write(const void *buffer, size_t count);
47     //virtual ssize_t writeVia(writeVia_t via, size_t total, void *user, size_t block);
48 
49 private:
50     SNDFILE *                   mSndfile;
51 };
52 
53 }   // namespace android
54 
55 #endif  // ANDROID_AUDIO_LIBSNDFILE_SINK_H
56