FFmpeg
oss.h
Go to the documentation of this file.
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_H
20 #define AVDEVICE_OSS_H
21 
22 #include <stdint.h>
23 #include "libavutil/log.h"
24 #include "libavcodec/codec_id.h"
25 #include "libavformat/avformat.h"
26 
27 #define OSS_AUDIO_BLOCK_SIZE 4096
28 
29 typedef struct OSSAudioData {
30  AVClass *class;
31  int fd;
33  int channels;
34  int frame_size; /* in bytes ! */
36  unsigned int flip_left : 1;
39 } OSSAudioData;
40 
41 int ff_oss_audio_open(AVFormatContext *s1, int is_output,
42  const char *audio_device);
43 
45 
46 #endif /* AVDEVICE_OSS_H */
ff_oss_audio_open
int ff_oss_audio_open(AVFormatContext *s1, int is_output, const char *audio_device)
Definition: oss.c:39
codec_id.h
s
#define s(width, name)
Definition: cbs_vp9.c:257
s1
#define s1
Definition: regdef.h:38
AVFormatContext
Format I/O context.
Definition: avformat.h:1109
OSSAudioData::channels
int channels
Definition: oss.h:33
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
OSSAudioData::buffer_ptr
int buffer_ptr
Definition: oss.h:38
OSSAudioData::codec_id
enum AVCodecID codec_id
Definition: oss.h:35
OSSAudioData::buffer
uint8_t buffer[OSS_AUDIO_BLOCK_SIZE]
Definition: oss.h:37
OSS_AUDIO_BLOCK_SIZE
#define OSS_AUDIO_BLOCK_SIZE
Definition: oss.h:27
OSSAudioData
Definition: oss.h:29
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:47
log.h
OSSAudioData::frame_size
int frame_size
Definition: oss.h:34
avformat.h
ff_oss_audio_close
int ff_oss_audio_close(OSSAudioData *s)
Definition: oss.c:134
OSSAudioData::sample_rate
int sample_rate
Definition: oss.h:32
OSSAudioData::fd
int fd
Definition: oss.h:31
OSSAudioData::flip_left
unsigned int flip_left
Definition: oss.h:36