xaudio.c File Reference

#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include <boolean.h>
#include <compat/msvc.h>
#include <retro_miscellaneous.h>
#include "xaudio.h"
#include "../audio_driver.h"
#include "../../verbosity.h"

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Classes
struct	xa_t
struct	xaudio2

Macros
#define	MAX_BUFFERS   16
#define	MAX_BUFFERS_MASK   (MAX_BUFFERS - 1)
#define	COINIT_MULTITHREADED   0x00
#define	XAUDIO2_WRITE_AVAILABLE(handle)   ((handle)->bufsize * (MAX_BUFFERS - (handle)->buffers - 1))

Typedefs
typedef struct xaudio2	xaudio2_t

Functions
static void WINAPI	voice_on_buffer_end (IXAudio2VoiceCallback *handle_, void *data)
static void WINAPI	dummy_voidp (IXAudio2VoiceCallback *handle, void *data)
static void WINAPI	dummy_nil (IXAudio2VoiceCallback *handle)
static void WINAPI	dummy_uint32 (IXAudio2VoiceCallback *handle, UINT32 dummy)
static void WINAPI	dummy_voidp_hresult (IXAudio2VoiceCallback *handle, void *data, HRESULT dummy)
static void	xaudio2_set_wavefmt (WAVEFORMATEX *wfx, unsigned channels, unsigned samplerate)
static void	xaudio2_free (xaudio2_t *handle)
static xaudio2_t *	xaudio2_new (unsigned samplerate, unsigned channels, size_t size, unsigned device)
static size_t	xaudio2_write (xaudio2_t *handle, const uint8_t *buffer, size_t bytes_)
static void *	xa_init (const char *device, unsigned rate, unsigned latency, unsigned block_frames, unsigned *new_rate)
static ssize_t	xa_write (void *data, const void *buf, size_t size)
static bool	xa_stop (void *data)
static bool	xa_alive (void *data)
static void	xa_set_nonblock_state (void *data, bool state)
static bool	xa_start (void *data, bool is_shutdown)
static bool	xa_use_float (void *data)
static void	xa_free (void *data)
static size_t	xa_write_avail (void *data)
static size_t	xa_buffer_size (void *data)

Variables
const struct IXAudio2VoiceCallbackVtbl	voice_vtable
audio_driver_t	audio_xa

Macro Definition Documentation

COINIT_MULTITHREADED

#define COINIT_MULTITHREADED   0x00

MAX_BUFFERS

#define MAX_BUFFERS   16

MAX_BUFFERS_MASK

#define MAX_BUFFERS_MASK   (MAX_BUFFERS - 1)

XAUDIO2_WRITE_AVAILABLE

#define XAUDIO2_WRITE_AVAILABLE

(

handle

)

((handle)->bufsize * (MAX_BUFFERS - (handle)->buffers - 1))

Typedef Documentation

xaudio2_t

typedef struct xaudio2 xaudio2_t

Function Documentation

dummy_nil()

static void WINAPI dummy_nil ( IXAudio2VoiceCallback *  handle )

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dummy_uint32()

static void WINAPI dummy_uint32 ( IXAudio2VoiceCallback *  handle, UINT32  dummy  )

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dummy_voidp()

static void WINAPI dummy_voidp ( IXAudio2VoiceCallback *  handle, void *  data  )

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dummy_voidp_hresult()

static void WINAPI dummy_voidp_hresult ( IXAudio2VoiceCallback *  handle, void *  data, HRESULT  dummy  )

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voice_on_buffer_end()

static void WINAPI voice_on_buffer_end ( IXAudio2VoiceCallback *  handle_, void *  data  )

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xa_alive()

static bool xa_alive ( void *  data )

static

xa_buffer_size()

static size_t xa_buffer_size ( void *  data )

static

xa_free()

static void xa_free ( void *  data )

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xa_init()

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

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xa_set_nonblock_state()

static void xa_set_nonblock_state ( void *  data, bool  state  )

static

xa_start()

static bool xa_start ( void *  data, bool  is_shutdown  )

static

xa_stop()

static bool xa_stop ( void *  data )

static

xa_use_float()

static bool xa_use_float ( void *  data )

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xa_write()

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

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xa_write_avail()

static size_t xa_write_avail ( void *  data )

static

xaudio2_free()

static void xaudio2_free ( xaudio2_t *  handle )

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xaudio2_new()

static xaudio2_t* xaudio2_new ( unsigned  samplerate, unsigned  channels, size_t  size, unsigned  device  )

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xaudio2_set_wavefmt()

static void xaudio2_set_wavefmt ( WAVEFORMATEX *  wfx, unsigned  channels, unsigned  samplerate  )

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xaudio2_write()

static size_t xaudio2_write ( xaudio2_t *  handle, const uint8_t *  buffer, size_t  bytes_  )

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Variable Documentation

audio_xa

audio_driver_t audio_xa

Initial value:

= {
   xa_init,
   xa_write,
   xa_stop,
   xa_start,
   xa_alive,
   xa_set_nonblock_state,
   xa_free,
   xa_use_float,
   "xaudio",
   NULL,
   NULL,
   xa_write_avail,
   xa_buffer_size,
}

voice_vtable

const struct IXAudio2VoiceCallbackVtbl voice_vtable

Initial value:

= {
   dummy_uint32,
   dummy_nil,
   dummy_nil,
   dummy_voidp,
   voice_on_buffer_end,
   dummy_voidp,
   dummy_voidp_hresult,
}