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