xref: /aosp_15_r20/frameworks/av/media/libnbaio/LibsndfileSink.cpp (revision ec779b8e0859a360c3d303172224686826e6e0e1)
1*ec779b8eSAndroid Build Coastguard Worker /*
2*ec779b8eSAndroid Build Coastguard Worker  * Copyright (C) 2012 The Android Open Source Project
3*ec779b8eSAndroid Build Coastguard Worker  *
4*ec779b8eSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*ec779b8eSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*ec779b8eSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*ec779b8eSAndroid Build Coastguard Worker  *
8*ec779b8eSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*ec779b8eSAndroid Build Coastguard Worker  *
10*ec779b8eSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*ec779b8eSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*ec779b8eSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*ec779b8eSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*ec779b8eSAndroid Build Coastguard Worker  * limitations under the License.
15*ec779b8eSAndroid Build Coastguard Worker  */
16*ec779b8eSAndroid Build Coastguard Worker 
17*ec779b8eSAndroid Build Coastguard Worker #define LOG_TAG "LibsndfileSink"
18*ec779b8eSAndroid Build Coastguard Worker //#define LOG_NDEBUG 0
19*ec779b8eSAndroid Build Coastguard Worker 
20*ec779b8eSAndroid Build Coastguard Worker #include <utils/Errors.h>
21*ec779b8eSAndroid Build Coastguard Worker #include <utils/Log.h>
22*ec779b8eSAndroid Build Coastguard Worker #include <media/nbaio/LibsndfileSink.h>
23*ec779b8eSAndroid Build Coastguard Worker 
24*ec779b8eSAndroid Build Coastguard Worker namespace android {
25*ec779b8eSAndroid Build Coastguard Worker 
LibsndfileSink(SNDFILE * sndfile,const SF_INFO & sfinfo)26*ec779b8eSAndroid Build Coastguard Worker LibsndfileSink::LibsndfileSink(SNDFILE *sndfile, const SF_INFO &sfinfo) :
27*ec779b8eSAndroid Build Coastguard Worker     NBAIO_Sink(Format_from_SR_C(sfinfo.samplerate, sfinfo.channels)),
28*ec779b8eSAndroid Build Coastguard Worker     mSndfile(sndfile)
29*ec779b8eSAndroid Build Coastguard Worker {
30*ec779b8eSAndroid Build Coastguard Worker }
31*ec779b8eSAndroid Build Coastguard Worker 
~LibsndfileSink()32*ec779b8eSAndroid Build Coastguard Worker LibsndfileSink::~LibsndfileSink()
33*ec779b8eSAndroid Build Coastguard Worker {
34*ec779b8eSAndroid Build Coastguard Worker     // do not close mSndfile; we don't own it
35*ec779b8eSAndroid Build Coastguard Worker }
36*ec779b8eSAndroid Build Coastguard Worker 
write(const void * buffer,size_t count)37*ec779b8eSAndroid Build Coastguard Worker ssize_t LibsndfileSink::write(const void *buffer, size_t count)
38*ec779b8eSAndroid Build Coastguard Worker {
39*ec779b8eSAndroid Build Coastguard Worker     if (!mNegotiated) {
40*ec779b8eSAndroid Build Coastguard Worker         return (ssize_t) NEGOTIATE;
41*ec779b8eSAndroid Build Coastguard Worker     }
42*ec779b8eSAndroid Build Coastguard Worker     if (mSndfile == NULL) {
43*ec779b8eSAndroid Build Coastguard Worker         return (ssize_t) NO_INIT;
44*ec779b8eSAndroid Build Coastguard Worker     }
45*ec779b8eSAndroid Build Coastguard Worker     sf_count_t actual = sf_writef_short(mSndfile, (short *) buffer, (sf_count_t) count);
46*ec779b8eSAndroid Build Coastguard Worker     mFramesWritten += actual;
47*ec779b8eSAndroid Build Coastguard Worker     return actual;
48*ec779b8eSAndroid Build Coastguard Worker }
49*ec779b8eSAndroid Build Coastguard Worker 
50*ec779b8eSAndroid Build Coastguard Worker }   // namespace android
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