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
24namespace android {
25
26LibsndfileSink::LibsndfileSink(SNDFILE *sndfile, const SF_INFO &sfinfo) :
27    NBAIO_Sink(Format_from_SR_C(sfinfo.samplerate, sfinfo.channels)),
28    mSndfile(sndfile)
29{
30}
31
32LibsndfileSink::~LibsndfileSink()
33{
34    // do not close mSndfile; we don't own it
35}
36
37ssize_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