AlsaData Struct Reference

#include <alsa.h>

Data Fields
AVClass *	class
snd_pcm_t *	h
int	frame_size
	bytes per sample * channels More...
int	period_size
	preferred size for reads and writes, in frames More...
int	sample_rate
	sample rate set by user More...
int	channels
	number of channels set by user More...
int	last_period
TimeFilter *	timefilter
void(*	reorder_func )(const void *, void *, int)
void *	reorder_buf
int	reorder_buf_size
	in frames More...
int64_t	timestamp
	current timestamp, without latency applied. More...

Detailed Description

Definition at line 48 of file alsa.h.

Field Documentation

AVClass* AlsaData::class

Definition at line 49 of file alsa.h.

snd_pcm_t* AlsaData::h

Definition at line 50 of file alsa.h.

Referenced by audio_get_output_timestamp(), audio_read_header(), audio_read_packet(), audio_write_header(), audio_write_packet(), ff_alsa_close(), ff_alsa_open(), and ff_alsa_xrun_recover().

int AlsaData::frame_size

bytes per sample * channels

Definition at line 51 of file alsa.h.

Referenced by audio_read_header(), audio_read_packet(), audio_write_frame(), audio_write_packet(), ff_alsa_extend_reorder_buf(), and ff_alsa_open().

int AlsaData::period_size

preferred size for reads and writes, in frames

Definition at line 52 of file alsa.h.

Referenced by audio_read_header(), audio_read_packet(), and ff_alsa_open().

int AlsaData::sample_rate

sample rate set by user

Definition at line 53 of file alsa.h.

Referenced by audio_read_header(), and audio_read_packet().

int AlsaData::channels

number of channels set by user

Definition at line 54 of file alsa.h.

Referenced by audio_read_header().

int AlsaData::last_period

Definition at line 55 of file alsa.h.

Referenced by audio_read_packet().

TimeFilter* AlsaData::timefilter

Definition at line 56 of file alsa.h.

Referenced by audio_read_header(), audio_read_packet(), and ff_alsa_close().

void(* AlsaData::reorder_func)(const void *, void *, int)

Definition at line 57 of file alsa.h.

Referenced by audio_write_packet(), ff_alsa_open(), and find_reorder_func().

void* AlsaData::reorder_buf

Definition at line 58 of file alsa.h.

Referenced by audio_write_packet(), ff_alsa_close(), ff_alsa_extend_reorder_buf(), and ff_alsa_open().

int AlsaData::reorder_buf_size

in frames

Definition at line 59 of file alsa.h.

Referenced by audio_write_packet(), ff_alsa_extend_reorder_buf(), and ff_alsa_open().

int64_t AlsaData::timestamp

current timestamp, without latency applied.

Definition at line 60 of file alsa.h.

Referenced by audio_get_output_timestamp(), and audio_write_packet().

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The documentation for this struct was generated from the following file:

• libavdevice/alsa.h