#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <sys/soundcard.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/select.h>
#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavcodec/avcodec.h"
#include "avdevice.h"
Go to the source code of this file.
Data Structures | |
struct | AudioData |
Defines | |
#define | AUDIO_BLOCK_SIZE 4096 |
Functions | |
static int | audio_open (AVFormatContext *s1, int is_output, const char *audio_device) |
static int | audio_close (AudioData *s) |
static int | audio_write_header (AVFormatContext *s1) |
static int | audio_write_packet (AVFormatContext *s1, AVPacket *pkt) |
static int | audio_write_trailer (AVFormatContext *s1) |
static int | audio_read_header (AVFormatContext *s1, AVFormatParameters *ap) |
static int | audio_read_packet (AVFormatContext *s1, AVPacket *pkt) |
static int | audio_read_close (AVFormatContext *s1) |
Variables | |
static const AVOption | options [] |
static const AVClass | oss_demuxer_class |
AVInputFormat | ff_oss_demuxer |
AVOutputFormat | ff_oss_muxer |
#define AUDIO_BLOCK_SIZE 4096 |
Definition at line 44 of file oss_audio.c.
Referenced by audio_write_packet().
static int audio_close | ( | AudioData * | s | ) | [static] |
Definition at line 152 of file oss_audio.c.
Referenced by audio_read_close(), and audio_write_trailer().
static int audio_open | ( | AVFormatContext * | s1, | |
int | is_output, | |||
const char * | audio_device | |||
) | [static] |
Definition at line 58 of file oss_audio.c.
Referenced by audio_read_header(), and audio_write_header().
static int audio_read_close | ( | AVFormatContext * | s1 | ) | [static] |
Definition at line 289 of file oss_audio.c.
static int audio_read_header | ( | AVFormatContext * | s1, | |
AVFormatParameters * | ap | |||
) | [static] |
Definition at line 213 of file oss_audio.c.
static int audio_read_packet | ( | AVFormatContext * | s1, | |
AVPacket * | pkt | |||
) | [static] |
Definition at line 246 of file oss_audio.c.
static int audio_write_header | ( | AVFormatContext * | s1 | ) | [static] |
Definition at line 159 of file oss_audio.c.
static int audio_write_packet | ( | AVFormatContext * | s1, | |
AVPacket * | pkt | |||
) | [static] |
Definition at line 176 of file oss_audio.c.
static int audio_write_trailer | ( | AVFormatContext * | s1 | ) | [static] |
Definition at line 203 of file oss_audio.c.
{ "oss", NULL_IF_CONFIG_SMALL("Open Sound System capture"), sizeof(AudioData), NULL, audio_read_header, audio_read_packet, audio_read_close, .flags = AVFMT_NOFILE, .priv_class = &oss_demuxer_class, }
Definition at line 311 of file oss_audio.c.
{ "oss", NULL_IF_CONFIG_SMALL("Open Sound System playback"), "", "", sizeof(AudioData), AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE), CODEC_ID_NONE, audio_write_header, audio_write_packet, audio_write_trailer, .flags = AVFMT_NOFILE, }
Definition at line 325 of file oss_audio.c.
{ { "sample_rate", "", 0x42, FF_OPT_TYPE_INT, {.dbl = 48000}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, { "channels", "", 0x42, FF_OPT_TYPE_INT, {.dbl = 2}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }, { NULL }, }
Definition at line 298 of file oss_audio.c.
const AVClass oss_demuxer_class [static] |
{ .class_name = "OSS demuxer", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }
Definition at line 304 of file oss_audio.c.