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oss_audio.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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;
32  int channels;
33  int frame_size; /* in bytes ! */
35  unsigned int flip_left : 1;
38 } OSSAudioData;
39 
40 int ff_oss_audio_open(AVFormatContext *s1, int is_output,
41  const char *audio_device);
42 
44 
45 #endif /* AVDEVICE_OSS_AUDIO_H */