switch_audio.c File Reference

#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <stdint.h>
#include "switch_audio_compat.h"
#include "../audio_driver.h"
#include "../../verbosity.h"

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Classes
struct	switch_audio_t

Macros
#define	BUFFER_COUNT   3

Functions
static uint32_t	switch_audio_data_size (void)
static size_t	switch_audio_buffer_size (void *data)
static ssize_t	switch_audio_write (void *data, const void *buf, size_t size)
static bool	switch_audio_stop (void *data)
static bool	switch_audio_start (void *data, bool is_shutdown)
static bool	switch_audio_alive (void *data)
static void	switch_audio_free (void *data)
static bool	switch_audio_use_float (void *data)
static size_t	switch_audio_write_avail (void *data)
static void	switch_audio_set_nonblock_state (void *data, bool state)
static void *	switch_audio_init (const char *device, unsigned rate, unsigned latency, unsigned block_frames, unsigned *new_rate)

Variables
static const int	sample_rate = 48000
static const int	max_num_samples = sample_rate
static const int	num_channels = 2
static const size_t	sample_buffer_size = ((max_num_samples * num_channels * sizeof(uint16_t)) + 0xfff) & ~0xfff
audio_driver_t	audio_switch

Macro Definition Documentation

BUFFER_COUNT

#define BUFFER_COUNT   3

Function Documentation

switch_audio_alive()

static bool switch_audio_alive ( void *  data )

static

switch_audio_buffer_size()

static size_t switch_audio_buffer_size ( void *  data )

static

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switch_audio_data_size()

static uint32_t switch_audio_data_size ( void  )

static

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switch_audio_free()

static void switch_audio_free ( void *  data )

static

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switch_audio_init()

static void* switch_audio_init ( const char *  device, unsigned  rate, unsigned  latency, unsigned  block_frames, unsigned *  new_rate  )

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switch_audio_set_nonblock_state()

static void switch_audio_set_nonblock_state ( void *  data, bool  state  )

static

switch_audio_start()

static bool switch_audio_start ( void *  data, bool  is_shutdown  )

static

switch_audio_stop()

static bool switch_audio_stop ( void *  data )

static

switch_audio_use_float()

static bool switch_audio_use_float ( void *  data )

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switch_audio_write()

static ssize_t switch_audio_write ( void *  data, const void *  buf, size_t  size  )

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switch_audio_write_avail()

static size_t switch_audio_write_avail ( void *  data )

static

Variable Documentation

audio_switch

audio_driver_t audio_switch

Initial value:

= {
   switch_audio_init,
   switch_audio_write,
   switch_audio_stop,
   switch_audio_start,
   switch_audio_alive,
   switch_audio_set_nonblock_state,
   switch_audio_free,
   switch_audio_use_float,
   "switch",
   NULL, 
   NULL, 
   switch_audio_write_avail,
   switch_audio_buffer_size, 
}

max_num_samples

const int max_num_samples = sample_rate

static

num_channels

const int num_channels = 2

static

sample_buffer_size

const size_t sample_buffer_size = ((max_num_samples * num_channels * sizeof(uint16_t)) + 0xfff) & ~0xfff

static

sample_rate

const int sample_rate = 48000

static