1cabdff1aSopenharmony_ci/*
2cabdff1aSopenharmony_ci * This file is part of FFmpeg.
3cabdff1aSopenharmony_ci *
4cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or
5cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public
6cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either
7cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version.
8cabdff1aSopenharmony_ci *
9cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful,
10cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of
11cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12cabdff1aSopenharmony_ci * Lesser General Public License for more details.
13cabdff1aSopenharmony_ci *
14cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public
15cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software
16cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17cabdff1aSopenharmony_ci */
18cabdff1aSopenharmony_ci
19cabdff1aSopenharmony_ci#ifndef AVDEVICE_OSS_H
20cabdff1aSopenharmony_ci#define AVDEVICE_OSS_H
21cabdff1aSopenharmony_ci
22cabdff1aSopenharmony_ci#include <stdint.h>
23cabdff1aSopenharmony_ci#include "libavutil/log.h"
24cabdff1aSopenharmony_ci#include "libavcodec/codec_id.h"
25cabdff1aSopenharmony_ci#include "libavformat/avformat.h"
26cabdff1aSopenharmony_ci
27cabdff1aSopenharmony_ci#define OSS_AUDIO_BLOCK_SIZE 4096
28cabdff1aSopenharmony_ci
29cabdff1aSopenharmony_citypedef struct OSSAudioData {
30cabdff1aSopenharmony_ci    AVClass *class;
31cabdff1aSopenharmony_ci    int fd;
32cabdff1aSopenharmony_ci    int sample_rate;
33cabdff1aSopenharmony_ci    int sample_size; /* in bytes ! */
34cabdff1aSopenharmony_ci    int channels;
35cabdff1aSopenharmony_ci    int frame_size; /* in bytes ! */
36cabdff1aSopenharmony_ci    enum AVCodecID codec_id;
37cabdff1aSopenharmony_ci    unsigned int flip_left : 1;
38cabdff1aSopenharmony_ci    uint8_t buffer[OSS_AUDIO_BLOCK_SIZE];
39cabdff1aSopenharmony_ci    int buffer_ptr;
40cabdff1aSopenharmony_ci} OSSAudioData;
41cabdff1aSopenharmony_ci
42cabdff1aSopenharmony_ciint ff_oss_audio_open(AVFormatContext *s1, int is_output,
43cabdff1aSopenharmony_ci                      const char *audio_device);
44cabdff1aSopenharmony_ci
45cabdff1aSopenharmony_ciint ff_oss_audio_close(OSSAudioData *s);
46cabdff1aSopenharmony_ci
47cabdff1aSopenharmony_ci#endif /* AVDEVICE_OSS_H */
48