pulse_audio_enc.c File Reference

#include <math.h>
#include <pulse/pulseaudio.h>
#include <pulse/error.h>
#include "libavformat/avformat.h"
#include "libavformat/internal.h"
#include "libavformat/mux.h"
#include "libavformat/version.h"
#include "libavutil/channel_layout.h"
#include "libavutil/frame.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavutil/log.h"
#include "libavutil/attributes.h"
#include "pulse_audio_common.h"

Go to the source code of this file.

Data Structures
struct	PulseData

Macros
#define	OFFSET(a)   offsetof(PulseData, a)
#define	E   AV_OPT_FLAG_ENCODING_PARAM

Functions
static void	pulse_audio_sink_device_cb (pa_context *ctx, const pa_sink_info *dev, int eol, void *userdata)
static int	pulse_update_sink_info (AVFormatContext *h)
static void	pulse_audio_sink_input_cb (pa_context *ctx, const pa_sink_input_info *i, int eol, void *userdata)
static int	pulse_update_sink_input_info (AVFormatContext *h)
static void	pulse_event (pa_context *ctx, pa_subscription_event_type_t t, uint32_t idx, void *userdata)
static void	pulse_stream_writable (pa_stream *stream, size_t nbytes, void *userdata)
static void	pulse_overflow (pa_stream *stream, void *userdata)
static void	pulse_underflow (pa_stream *stream, void *userdata)
static void	pulse_stream_state (pa_stream *stream, void *userdata)
static int	pulse_stream_wait (PulseData *s)
static void	pulse_context_state (pa_context *ctx, void *userdata)
static int	pulse_context_wait (PulseData *s)
static void	pulse_stream_result (pa_stream *stream, int success, void *userdata)
static int	pulse_finish_stream_operation (PulseData *s, pa_operation *op, const char *name)
static int	pulse_set_pause (PulseData *s, int pause)
static int	pulse_flash_stream (PulseData *s)
static void	pulse_context_result (pa_context *ctx, int success, void *userdata)
static int	pulse_finish_context_operation (PulseData *s, pa_operation *op, const char *name)
static int	pulse_set_mute (PulseData *s)
static int	pulse_set_volume (PulseData *s, double volume)
static int	pulse_subscribe_events (PulseData *s)
static void	pulse_map_channels_to_pulse (const AVChannelLayout *channel_layout, pa_channel_map *channel_map)
static av_cold int	pulse_write_trailer (AVFormatContext *h)
static av_cold int	pulse_write_header (AVFormatContext *h)
static int	pulse_write_packet (AVFormatContext *h, AVPacket *pkt)
static int	pulse_write_frame (AVFormatContext *h, int stream_index, AVFrame **frame, unsigned flags)
static void	pulse_get_output_timestamp (AVFormatContext *h, int stream, int64_t *dts, int64_t *wall)
static int	pulse_get_device_list (AVFormatContext *h, AVDeviceInfoList *device_list)
static int	pulse_control_message (AVFormatContext *h, int type, void *data, size_t data_size)

Variables
static const AVOption	options []
static const AVClass	pulse_muxer_class
const FFOutputFormat	ff_pulse_muxer

Macro Definition Documentation

OFFSET

#define OFFSET

(

a

)

offsetof(PulseData, a)

Definition at line 763 of file pulse_audio_enc.c.

E

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 764 of file pulse_audio_enc.c.

Function Documentation

pulse_audio_sink_device_cb()

static void pulse_audio_sink_device_cb ( pa_context *  ctx, const pa_sink_info *  dev, int  eol, void *  userdata  )

static

Definition at line 58 of file pulse_audio_enc.c.

Referenced by pulse_update_sink_info().

pulse_update_sink_info()

static int pulse_update_sink_info ( AVFormatContext *  h )

static

Definition at line 78 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_audio_sink_input_cb()

static void pulse_audio_sink_input_cb ( pa_context *  ctx, const pa_sink_input_info *  i, int  eol, void *  userdata  )

static

Definition at line 93 of file pulse_audio_enc.c.

Referenced by pulse_update_sink_input_info().

pulse_update_sink_input_info()

static int pulse_update_sink_input_info ( AVFormatContext *  h )

static

Definition at line 121 of file pulse_audio_enc.c.

Referenced by pulse_control_message(), pulse_event(), and pulse_write_header().

pulse_event()

static void pulse_event ( pa_context *  ctx, pa_subscription_event_type_t  t, uint32_t  idx, void *  userdata  )

static

Definition at line 154 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_stream_writable()

static void pulse_stream_writable ( pa_stream *  stream, size_t  nbytes, void *  userdata  )

static

Definition at line 170 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_overflow()

static void pulse_overflow ( pa_stream *  stream, void *  userdata  )

static

Definition at line 183 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_underflow()

static void pulse_underflow ( pa_stream *  stream, void *  userdata  )

static

Definition at line 189 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_stream_state()

static void pulse_stream_state ( pa_stream *  stream, void *  userdata  )

static

Definition at line 195 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_stream_wait()

static int pulse_stream_wait ( PulseData *  s )

static

Definition at line 212 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_context_state()

static void pulse_context_state ( pa_context *  ctx, void *  userdata  )

static

Definition at line 224 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_context_wait()

static int pulse_context_wait ( PulseData *  s )

static

Definition at line 241 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_stream_result()

static void pulse_stream_result ( pa_stream *  stream, int  success, void *  userdata  )

static

Definition at line 253 of file pulse_audio_enc.c.

Referenced by pulse_flash_stream(), and pulse_set_pause().

pulse_finish_stream_operation()

static int pulse_finish_stream_operation ( PulseData *  s, pa_operation *  op, const char *  name  )

static

Definition at line 264 of file pulse_audio_enc.c.

Referenced by pulse_flash_stream(), and pulse_set_pause().

pulse_set_pause()

static int pulse_set_pause ( PulseData *  s, int  pause  )

static

Definition at line 281 of file pulse_audio_enc.c.

Referenced by pulse_control_message().

pulse_flash_stream()

static int pulse_flash_stream ( PulseData *  s )

static

Definition at line 289 of file pulse_audio_enc.c.

Referenced by pulse_write_packet().

pulse_context_result()

static void pulse_context_result ( pa_context *  ctx, int  success, void *  userdata  )

static

Definition at line 297 of file pulse_audio_enc.c.

Referenced by pulse_set_mute(), pulse_set_volume(), and pulse_subscribe_events().

pulse_finish_context_operation()

static int pulse_finish_context_operation ( PulseData *  s, pa_operation *  op, const char *  name  )

static

Definition at line 308 of file pulse_audio_enc.c.

Referenced by pulse_set_mute(), pulse_set_volume(), and pulse_subscribe_events().

pulse_set_mute()

static int pulse_set_mute ( PulseData *  s )

static

Definition at line 325 of file pulse_audio_enc.c.

Referenced by pulse_control_message().

pulse_set_volume()

static int pulse_set_volume ( PulseData *  s, double  volume  )

static

Definition at line 334 of file pulse_audio_enc.c.

Referenced by pulse_control_message().

pulse_subscribe_events()

static int pulse_subscribe_events ( PulseData *  s )

static

Definition at line 350 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_map_channels_to_pulse()

static void pulse_map_channels_to_pulse ( const AVChannelLayout *  channel_layout, pa_channel_map *  channel_map  )

static

Definition at line 359 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_write_trailer()

static av_cold int pulse_write_trailer ( AVFormatContext *  h )

static

Definition at line 414 of file pulse_audio_enc.c.

Referenced by pulse_write_header().

pulse_write_header()

static av_cold int pulse_write_header ( AVFormatContext *  h )

static

Definition at line 445 of file pulse_audio_enc.c.

pulse_write_packet()

static int pulse_write_packet ( AVFormatContext *  h, AVPacket *  pkt  )

static

Definition at line 628 of file pulse_audio_enc.c.

Referenced by pulse_write_frame().

pulse_write_frame()

static int pulse_write_frame ( AVFormatContext *  h, int  stream_index, AVFrame **  frame, unsigned  flags  )

static

Definition at line 677 of file pulse_audio_enc.c.

pulse_get_output_timestamp()

static void pulse_get_output_timestamp ( AVFormatContext *  h, int  stream, int64_t *  dts, int64_t *  wall  )

static

Definition at line 695 of file pulse_audio_enc.c.

pulse_get_device_list()

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

static

Definition at line 709 of file pulse_audio_enc.c.

pulse_control_message()

static int pulse_control_message ( AVFormatContext *  h, int  type, void *  data, size_t  data_size  )

static

Definition at line 715 of file pulse_audio_enc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "server",          "set PulseAudio server",            OFFSET(server),          AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
    { "name",            "set application name",             OFFSET(name),            AV_OPT_TYPE_STRING, {.str = LIBAVFORMAT_IDENT},  0, 0, E },
    { "stream_name",     "set stream description",           OFFSET(stream_name),     AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
    { "device",          "set device name",                  OFFSET(device),          AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, E },
    { "buffer_size",     "set buffer size in bytes",         OFFSET(buffer_size),     AV_OPT_TYPE_INT,    {.i64 = 0}, 0, INT_MAX, E },
    { "buffer_duration", "set buffer duration in millisecs", OFFSET(buffer_duration), AV_OPT_TYPE_INT,    {.i64 = 0}, 0, INT_MAX, E },
    { "prebuf",          "set pre-buffering size",           OFFSET(prebuf),          AV_OPT_TYPE_INT,    {.i64 = 0}, 0, INT_MAX, E },
    { "minreq",          "set minimum request size",         OFFSET(minreq),          AV_OPT_TYPE_INT,    {.i64 = 0}, 0, INT_MAX, E },
    { NULL }
}

Definition at line 765 of file pulse_audio_enc.c.

pulse_muxer_class

const AVClass pulse_muxer_class

static

Initial value:

= {
    .class_name     = "PulseAudio outdev",
    .item_name      = av_default_item_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
    .category       = AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
}

Definition at line 777 of file pulse_audio_enc.c.

ff_pulse_muxer

const FFOutputFormat ff_pulse_muxer

Initial value:

= {
    .p.name               = "pulse",
    .p.long_name          = NULL_IF_CONFIG_SMALL("Pulse audio output"),
    .priv_data_size       = sizeof(PulseData),
    .p.audio_codec        = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
    .p.video_codec        = AV_CODEC_ID_NONE,
    .write_header         = pulse_write_header,
    .write_packet         = pulse_write_packet,
    .write_uncoded_frame  = pulse_write_frame,
    .write_trailer        = pulse_write_trailer,
    .get_output_timestamp = pulse_get_output_timestamp,
    .get_device_list      = pulse_get_device_list,
    .control_message      = pulse_control_message,
 
 
 
    .p.flags              = AVFMT_NOFILE,
 
    .p.priv_class         = &pulse_muxer_class,
    .flags_internal       = FF_OFMT_FLAG_ALLOW_FLUSH,
}

Definition at line 785 of file pulse_audio_enc.c.