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pulse_audio_dec.c File Reference
#include <pulse/rtclock.h>
#include <pulse/error.h>
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavformat/avformat.h"
#include "libavformat/internal.h"
#include "pulse_audio_common.h"
#include "timefilter.h"

Go to the source code of this file.

Data Structures

struct  PulseData
 

Macros

#define DEFAULT_CODEC_ID   AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE)
 
#define CHECK_SUCCESS_GOTO(rerror, expression, label)
 
#define CHECK_DEAD_GOTO(p, rerror, label)
 
#define OFFSET(a)   offsetof(PulseData, a)
 
#define D   AV_OPT_FLAG_DECODING_PARAM
 

Functions

static void context_state_cb (pa_context *c, void *userdata)
 
static void stream_state_cb (pa_stream *s, void *userdata)
 
static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
 
static void stream_latency_update_cb (pa_stream *s, void *userdata)
 
static av_cold int pulse_close (AVFormatContext *s)
 
static av_cold int pulse_read_header (AVFormatContext *s)
 
static int pulse_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static int pulse_get_device_list (AVFormatContext *h, AVDeviceInfoList *device_list)
 

Variables

static const AVOption options []
 
static const AVClass pulse_demuxer_class
 
AVInputFormat ff_pulse_demuxer
 

Macro Definition Documentation

#define DEFAULT_CODEC_ID   AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE)

Definition at line 36 of file pulse_audio_dec.c.

Referenced by pulse_read_header(), and pulse_read_packet().

#define CHECK_SUCCESS_GOTO (   rerror,
  expression,
  label 
)
Value:
do { \
if (!(expression)) { \
rerror = AVERROR_EXTERNAL; \
goto label; \
} \
} while (0)
if
if(ret< 0)
Definition: vf_mcdeint.c:279
AVERROR_EXTERNAL
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57

Definition at line 58 of file pulse_audio_dec.c.

Referenced by pulse_read_packet().

#define CHECK_DEAD_GOTO (   p,
  rerror,
  label 
)
Value:
do { \
if (!(p)->context || !PA_CONTEXT_IS_GOOD(pa_context_get_state((p)->context)) || \
!(p)->stream || !PA_STREAM_IS_GOOD(pa_stream_get_state((p)->stream))) { \
rerror = AVERROR_EXTERNAL; \
goto label; \
} \
} while (0)
if
if(ret< 0)
Definition: vf_mcdeint.c:279
AVERROR_EXTERNAL
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57

Definition at line 66 of file pulse_audio_dec.c.

Referenced by pulse_read_packet().

#define OFFSET (   a)    offsetof(PulseData, a)

Definition at line 346 of file pulse_audio_dec.c.

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 347 of file pulse_audio_dec.c.

Function Documentation

static void context_state_cb ( pa_context *  c,
void *  userdata 
)
static

Definition at line 75 of file pulse_audio_dec.c.

Referenced by pulse_read_header().

static void stream_state_cb ( pa_stream *  s,
void *  userdata 
)
static

Definition at line 87 of file pulse_audio_dec.c.

Referenced by pulse_read_header().

static void stream_request_cb ( pa_stream *  s,
size_t  length,
void *  userdata 
)
static

Definition at line 99 of file pulse_audio_dec.c.

Referenced by pulse_read_header().

static void stream_latency_update_cb ( pa_stream *  s,
void *  userdata 
)
static

Definition at line 105 of file pulse_audio_dec.c.

Referenced by pulse_read_header().

static av_cold int pulse_close ( AVFormatContext *  s)
static

Definition at line 111 of file pulse_audio_dec.c.

Referenced by pulse_read_header().

static av_cold int pulse_read_header ( AVFormatContext *  s)
static

Definition at line 138 of file pulse_audio_dec.c.

static int pulse_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 271 of file pulse_audio_dec.c.

static int pulse_get_device_list ( AVFormatContext *  h,
AVDeviceInfoList *  device_list 
)
static

Definition at line 340 of file pulse_audio_dec.c.

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{ "server", "set PulseAudio server", OFFSET(server), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, D },
{ "name", "set application name", OFFSET(name), AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT}, 0, 0, D },
{ "stream_name", "set stream description", OFFSET(stream_name), AV_OPT_TYPE_STRING, {.str = "record"}, 0, 0, D },
{ "sample_rate", "set sample rate in Hz", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = 48000}, 1, INT_MAX, D },
{ "channels", "set number of audio channels", OFFSET(channels), AV_OPT_TYPE_INT, {.i64 = 2}, 1, INT_MAX, D },
{ "frame_size", "set number of bytes per frame", OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = 1024}, 1, INT_MAX, D },
{ "fragment_size", "set buffering size, affects latency and cpu usage", OFFSET(fragment_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D },
{ "wallclock", "set the initial pts using the current time", OFFSET(wallclock), AV_OPT_TYPE_INT, {.i64 = 1}, -1, 1, D },
{ NULL },
}
NULL
#define NULL
Definition: coverity.c:32
D
#define D
Definition: pulse_audio_dec.c:347
AV_OPT_TYPE_INT
Definition: opt.h:223
channels
channels
Definition: aptx.c:30
AV_OPT_TYPE_STRING
Definition: opt.h:227
LIBAVFORMAT_IDENT
#define LIBAVFORMAT_IDENT
Definition: version.h:46
OFFSET
#define OFFSET(a)
Definition: pulse_audio_dec.c:346
sample_rate
sample_rate
Definition: ffmpeg_filter.c:191
frame_size
int frame_size
Definition: mxfenc.c:2092
name
const char * name
Definition: opengl_enc.c:103

Definition at line 349 of file pulse_audio_dec.c.

const AVClass pulse_demuxer_class
static
Initial value:
= {
.class_name = "Pulse demuxer",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
}
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
options
static const AVOption options[]
Definition: pulse_audio_dec.c:349

Definition at line 361 of file pulse_audio_dec.c.

AVInputFormat ff_pulse_demuxer
Initial value:
= {
.name = "pulse",
.long_name = NULL_IF_CONFIG_SMALL("Pulse audio input"),
.priv_data_size = sizeof(PulseData),
.read_header = pulse_read_header,
.read_packet = pulse_read_packet,
.read_close = pulse_close,
.get_device_list = pulse_get_device_list,
.flags = AVFMT_NOFILE,
.priv_class = &pulse_demuxer_class,
}
pulse_close
static av_cold int pulse_close(AVFormatContext *s)
Definition: pulse_audio_dec.c:111
pulse_demuxer_class
static const AVClass pulse_demuxer_class
Definition: pulse_audio_dec.c:361
read_close
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
read_header
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:530
read_packet
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
pulse_read_header
static av_cold int pulse_read_header(AVFormatContext *s)
Definition: pulse_audio_dec.c:138
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:596
AVFMT_NOFILE
#define AVFMT_NOFILE
Demuxer will use avio_open, no opened file should be provided by the caller.
Definition: avformat.h:465
pulse_get_device_list
static int pulse_get_device_list(AVFormatContext *h, AVDeviceInfoList *device_list)
Definition: pulse_audio_dec.c:340
pulse_read_packet
static int pulse_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: pulse_audio_dec.c:271

Definition at line 369 of file pulse_audio_dec.c.

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