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
LibsndfileSink(SNDFILE * sndfile,const SF_INFO & sfinfo)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
~LibsndfileSink()32 LibsndfileSink::~LibsndfileSink()
33 {
34 // do not close mSndfile; we don't own it
35 }
36
write(const void * buffer,size_t count)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