dsound.c File Reference

#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <windows.h>
#include <mmsystem.h>
#include <mmreg.h>
#include <dsound.h>
#include <boolean.h>
#include <retro_inline.h>
#include <retro_miscellaneous.h>
#include <retro_timers.h>
#include <queues/fifo_queue.h>
#include "../audio_driver.h"
#include "../../verbosity.h"

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Classes
struct	dsound
struct	audio_lock
struct	dsound_dev

Macros
#define	CHUNK_SIZE   256

Typedefs
typedef struct dsound	dsound_t

Functions
static INLINE unsigned	write_avail (unsigned read_ptr, unsigned write_ptr, unsigned buffer_size)
static INLINE void	get_positions (dsound_t *ds, DWORD *read_ptr, DWORD *write_ptr)
static INLINE bool	grab_region (dsound_t *ds, uint32_t write_ptr, struct audio_lock *region)
static INLINE void	release_region (dsound_t *ds, const struct audio_lock *region)
static DWORD CALLBACK	dsound_thread (PVOID data)
static void	dsound_stop_thread (dsound_t *ds)
static bool	dsound_start_thread (dsound_t *ds)
static void	dsound_clear_buffer (dsound_t *ds)
static void	dsound_free (void *data)
static BOOL CALLBACK	enumerate_cb (LPGUID guid, LPCSTR desc, LPCSTR module, LPVOID context)
static void *	dsound_init (const char *device, unsigned rate, unsigned latency, unsigned block_frames, unsigned *new_rate)
static bool	dsound_stop (void *data)
static bool	dsound_start (void *data, bool is_shutdown)
static bool	dsound_alive (void *data)
static void	dsound_set_nonblock_state (void *data, bool state)
static ssize_t	dsound_write (void *data, const void *buf_, size_t size)
static size_t	dsound_write_avail (void *data)
static size_t	dsound_buffer_size (void *data)
static bool	dsound_use_float (void *data)

Variables
audio_driver_t	audio_dsound

Macro Definition Documentation

CHUNK_SIZE

#define CHUNK_SIZE   256

Typedef Documentation

dsound_t

typedef struct dsound dsound_t

Function Documentation

dsound_alive()

static bool dsound_alive ( void *  data )

static

dsound_buffer_size()

static size_t dsound_buffer_size ( void *  data )

static

dsound_clear_buffer()

static void dsound_clear_buffer ( dsound_t *  ds )

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dsound_free()

static void dsound_free ( void *  data )

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dsound_init()

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

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dsound_set_nonblock_state()

static void dsound_set_nonblock_state ( void *  data, bool  state  )

static

dsound_start()

static bool dsound_start ( void *  data, bool  is_shutdown  )

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dsound_start_thread()

static bool dsound_start_thread ( dsound_t *  ds )

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dsound_stop()

static bool dsound_stop ( void *  data )

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dsound_stop_thread()

static void dsound_stop_thread ( dsound_t *  ds )

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dsound_thread()

static DWORD CALLBACK dsound_thread ( PVOID  data )

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dsound_use_float()

static bool dsound_use_float ( void *  data )

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dsound_write()

static ssize_t dsound_write ( void *  data, const void *  buf_, size_t  size  )

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dsound_write_avail()

static size_t dsound_write_avail ( void *  data )

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enumerate_cb()

static BOOL CALLBACK enumerate_cb ( LPGUID  guid, LPCSTR  desc, LPCSTR  module, LPVOID  context  )

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get_positions()

static INLINE void get_positions ( dsound_t *  ds, DWORD *  read_ptr, DWORD *  write_ptr  )

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grab_region()

static INLINE bool grab_region ( dsound_t *  ds, uint32_t  write_ptr, struct audio_lock *  region  )

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release_region()

static INLINE void release_region ( dsound_t *  ds, const struct audio_lock *  region  )

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write_avail()

static INLINE unsigned write_avail ( unsigned  read_ptr, unsigned  write_ptr, unsigned  buffer_size  )

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Variable Documentation

audio_dsound

audio_driver_t audio_dsound

Initial value:

= {
   dsound_init,
   dsound_write,
   dsound_stop,
   dsound_start,
   dsound_alive,
   dsound_set_nonblock_state,
   dsound_free,
   dsound_use_float,
   "dsound",
   NULL,
   NULL,
   dsound_write_avail,
   dsound_buffer_size,
}