#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/internal.h"
#include "libavutil/opt.h"
#include "libavutil/time.h"
#include "libavutil/log.h"
#include "libavutil/attributes.h"
#include "pulse_audio_common.h"

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 AVOutputFormat	ff_pulse_muxer

Macro Definition Documentation

◆ OFFSET

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

Definition at line 762 of file pulse_audio_enc.c.

◆ E

#define E AV_OPT_FLAG_ENCODING_PARAM

Definition at line 763 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 57 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 77 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 92 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 120 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 153 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 169 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 182 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 188 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 194 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 211 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 223 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 240 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 252 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 263 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 280 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 288 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 296 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 307 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 324 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 333 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 349 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 358 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 413 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 444 of file pulse_audio_enc.c.

◆ pulse_write_packet()

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

static

Definition at line 627 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 676 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 694 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 708 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 714 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 764 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 776 of file pulse_audio_enc.c.

◆ ff_pulse_muxer

const AVOutputFormat ff_pulse_muxer

Initial value:

= {
    .name                 = "pulse",
    .long_name            = NULL_IF_CONFIG_SMALL("Pulse audio output"),
    .priv_data_size       = sizeof(PulseData),
    .audio_codec          = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
    .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,
    .flags                = AVFMT_NOFILE | AVFMT_ALLOW_FLUSH,
    .priv_class           = &pulse_muxer_class,
}

Definition at line 784 of file pulse_audio_enc.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ OFFSET

◆ E

Function Documentation

◆ pulse_audio_sink_device_cb()

◆ pulse_update_sink_info()

◆ pulse_audio_sink_input_cb()

◆ pulse_update_sink_input_info()

◆ pulse_event()

◆ pulse_stream_writable()

◆ pulse_overflow()

◆ pulse_underflow()

◆ pulse_stream_state()

◆ pulse_stream_wait()

◆ pulse_context_state()

◆ pulse_context_wait()

◆ pulse_stream_result()

◆ pulse_finish_stream_operation()

◆ pulse_set_pause()

◆ pulse_flash_stream()

◆ pulse_context_result()

◆ pulse_finish_context_operation()

◆ pulse_set_mute()

◆ pulse_set_volume()

◆ pulse_subscribe_events()

◆ pulse_map_channels_to_pulse()

◆ pulse_write_trailer()

◆ pulse_write_header()

◆ pulse_write_packet()

◆ pulse_write_frame()

◆ pulse_get_output_timestamp()

◆ pulse_get_device_list()

◆ pulse_control_message()

Variable Documentation

◆ options

◆ pulse_muxer_class

◆ ff_pulse_muxer