wiiu_audio.c File Reference

#include <string.h>
#include <malloc.h>
#include <stdint.h>
#include <wiiu/os.h>
#include <wiiu/ax.h>
#include "wiiu/wiiu_dbg.h"
#include "wiiu/system/memory.h"
#include "audio/audio_driver.h"

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Classes
struct	ax_audio_t

Macros
#define	AX_AUDIO_COUNT   3072
#define	AX_AUDIO_SIZE   (AX_AUDIO_COUNT << 1u)
#define	AX_AUDIO_SAMPLE_COUNT   144 /* 3ms */
#define	AX_AUDIO_SAMPLE_MIN   (AX_AUDIO_SAMPLE_COUNT * 3) /* 9ms */
#define	AX_AUDIO_SAMPLE_LOAD   (AX_AUDIO_SAMPLE_COUNT * 10)/* 30ms */
#define	AX_AUDIO_MAX_FREE   (AX_AUDIO_COUNT - (AX_AUDIO_SAMPLE_COUNT * 2))
#define	AX_AUDIO_RATE   48000

Functions
void	wiiu_ax_callback (void)
void	AXRegisterFrameCallback (void *cb)
static void *	ax_audio_init (const char *device, unsigned rate, unsigned latency, unsigned block_frames, unsigned *new_rate)
static void	ax_audio_free (void *data)
static bool	ax_audio_stop (void *data)
static int	ax_audio_limit (int in)
static bool	ax_audio_start (void *data, bool is_shutdown)
static ssize_t	ax_audio_write (void *data, const void *buf, size_t size)
static bool	ax_audio_alive (void *data)
static void	ax_audio_set_nonblock_state (void *data, bool state)
static bool	ax_audio_use_float (void *data)
static size_t	ax_audio_write_avail (void *data)
static size_t	ax_audio_buffer_size (void *data)

Variables
static volatile ax_audio_t *	wiiu_cb_ax = NULL
audio_driver_t	audio_ax

Macro Definition Documentation

AX_AUDIO_COUNT

#define AX_AUDIO_COUNT   3072

AX_AUDIO_MAX_FREE

#define AX_AUDIO_MAX_FREE   (AX_AUDIO_COUNT - (AX_AUDIO_SAMPLE_COUNT * 2))

AX_AUDIO_RATE

#define AX_AUDIO_RATE   48000

AX_AUDIO_SAMPLE_COUNT

#define AX_AUDIO_SAMPLE_COUNT   144 /* 3ms */

AX_AUDIO_SAMPLE_LOAD

#define AX_AUDIO_SAMPLE_LOAD   (AX_AUDIO_SAMPLE_COUNT * 10)/* 30ms */

AX_AUDIO_SAMPLE_MIN

#define AX_AUDIO_SAMPLE_MIN   (AX_AUDIO_SAMPLE_COUNT * 3) /* 9ms */

AX_AUDIO_SIZE

#define AX_AUDIO_SIZE   (AX_AUDIO_COUNT << 1u)

Function Documentation

ax_audio_alive()

static bool ax_audio_alive ( void *  data )

static

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ax_audio_buffer_size()

static size_t ax_audio_buffer_size ( void *  data )

static

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ax_audio_free()

static void ax_audio_free ( void *  data )

static

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ax_audio_init()

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

static

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ax_audio_limit()

static int ax_audio_limit ( int  in )

static

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ax_audio_set_nonblock_state()

static void ax_audio_set_nonblock_state ( void *  data, bool  state  )

static

ax_audio_start()

static bool ax_audio_start ( void *  data, bool  is_shutdown  )

static

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ax_audio_stop()

static bool ax_audio_stop ( void *  data )

static

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ax_audio_use_float()

static bool ax_audio_use_float ( void *  data )

static

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ax_audio_write()

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

static

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ax_audio_write_avail()

static size_t ax_audio_write_avail ( void *  data )

static

AXRegisterFrameCallback()

void AXRegisterFrameCallback

(

void *

cb

)

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wiiu_ax_callback()

void wiiu_ax_callback

(

void

)

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Variable Documentation

audio_ax

audio_driver_t audio_ax

Initial value:

=
{
   ax_audio_init,
   ax_audio_write,
   ax_audio_stop,
   ax_audio_start,
   ax_audio_alive,
   ax_audio_set_nonblock_state,
   ax_audio_free,
   ax_audio_use_float,
   "AX",
   NULL, 
   NULL, 
   NULL, 
   NULL, 
}

wiiu_cb_ax

volatile ax_audio_t* wiiu_cb_ax = NULL

static