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