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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 #define LOG_TAG "LibsndfileSink"
     18 //#define LOG_NDEBUG 0
     19 
     20 #include <utils/Errors.h>
     21 #include <utils/Log.h>
     22 #include <media/nbaio/LibsndfileSink.h>
     23 
     24 namespace android {
     25 
     26 LibsndfileSink::LibsndfileSink(SNDFILE *sndfile, const SF_INFO &sfinfo) :
     27     NBAIO_Sink(Format_from_SR_C(sfinfo.samplerate, sfinfo.channels)),
     28     mSndfile(sndfile)
     29 {
     30 }
     31 
     32 LibsndfileSink::~LibsndfileSink()
     33 {
     34     // do not close mSndfile; we don't own it
     35 }
     36 
     37 ssize_t LibsndfileSink::write(const void *buffer, size_t count)
     38 {
     39     if (!mNegotiated) {
     40         return (ssize_t) NEGOTIATE;
     41     }
     42     if (mSndfile == NULL) {
     43         return (ssize_t) NO_INIT;
     44     }
     45     sf_count_t actual = sf_writef_short(mSndfile, (short *) buffer, (sf_count_t) count);
     46     mFramesWritten += actual;
     47     return actual;
     48 }
     49 
     50 }   // namespace android
     51