audio_directx_out.c File Reference

#include <windows.h>
#include <dsound.h>
#include <xine/audio_out.h>
#include <xine/xine_internal.h>

Data Structures
struct	ao_directx_t
struct	audiox_class_t

Macros
#define	LOG_MODULE   "audio_directx_out"
#define	LOG_VERBOSE
#define	MAX_CHANNELS   6
#define	MAX_BITS   16
#define	MAX_SAMPLE_RATE   44100
#define	SOUND_BUFFER_DIV   32
#define	SOUND_BUFFER_MAX   MAX_CHANNELS * (MAX_BITS / 8) * (((MAX_SAMPLE_RATE / SOUND_BUFFER_DIV) + 1) & ~1)
#define	DSBUFF_INIT   0
#define	DSBUFF_LEFT   1
#define	DSBUFF_RIGHT   2
#define	AO_DIRECTX_IFACE_VERSION   9
#define	IID_IDirectSoundNotify   xine_IID_IDirectSoundNotify

Typedefs
typedef unsigned char	boolean

Functions
static void	Error (HWND hwnd, LPCSTR szfmt,...)
static boolean	CreateDirectSound (ao_directx_t *ao_directx)
static void	DestroyDirectSound (ao_directx_t *ao_directx)
static uint32_t	FillSoundBuffer (ao_directx_t *ao_directx, int code, unsigned char *samples)
static void	DestroySoundBuffer (ao_directx_t *ao_directx)
static boolean	CreateSoundBuffer (ao_directx_t *ao_directx)
static int	ao_directx_control (ao_driver_t *this_gen, int cmd,...)
static int	ao_directx_open (ao_driver_t *ao_driver, uint32_t bits, uint32_t rate, int mode)
static int	ao_directx_num_channels (ao_driver_t *ao_driver)
static int	ao_directx_bytes_per_frame (ao_driver_t *ao_driver)
static int	ao_directx_get_gap_tolerance (ao_driver_t *ao_driver)
static int	ao_directx_delay (ao_driver_t *ao_driver)
static int	ao_directx_write (ao_driver_t *ao_driver, int16_t *frame_buffer, uint32_t num_frames)
static void	ao_directx_close (ao_driver_t *ao_driver)
static uint32_t	ao_directx_get_capabilities (ao_driver_t *ao_driver)
static void	ao_directx_exit (ao_driver_t *ao_driver)
static int	ao_directx_get_property (ao_driver_t *ao_driver, int property)
static int	ao_directx_set_property (ao_driver_t *ao_driver, int property, int value)
static ao_driver_t *	open_plugin (audio_driver_class_t *class_gen, const void *data)
static void *	init_class (xine_t *xine, const void *data)

Variables
static const GUID	xine_IID_IDirectSoundNotify
static const ao_info_t	ao_info_directx
const plugin_info_t xine_plugin_info[]	EXPORTED

Macro Definition Documentation

AO_DIRECTX_IFACE_VERSION

#define AO_DIRECTX_IFACE_VERSION   9

DSBUFF_INIT

#define DSBUFF_INIT   0

DSBUFF_LEFT

#define DSBUFF_LEFT   1

DSBUFF_RIGHT

#define DSBUFF_RIGHT   2

IID_IDirectSoundNotify

#define IID_IDirectSoundNotify   xine_IID_IDirectSoundNotify

LOG_MODULE

#define LOG_MODULE   "audio_directx_out"

LOG_VERBOSE

#define LOG_VERBOSE

MAX_BITS

#define MAX_BITS   16

MAX_CHANNELS

#define MAX_CHANNELS   6

MAX_SAMPLE_RATE

#define MAX_SAMPLE_RATE   44100

SOUND_BUFFER_DIV

#define SOUND_BUFFER_DIV   32

SOUND_BUFFER_MAX

#define SOUND_BUFFER_MAX   MAX_CHANNELS * (MAX_BITS / 8) * (((MAX_SAMPLE_RATE / SOUND_BUFFER_DIV) + 1) & ~1)

Typedef Documentation

boolean

typedef unsigned char boolean

Function Documentation

ao_directx_bytes_per_frame()

static int ao_directx_bytes_per_frame ( ao_driver_t *  ao_driver )

static

References ao_directx_t::frsz.

Referenced by open_plugin().

ao_directx_close()

static void ao_directx_close ( ao_driver_t *  ao_driver )

static

References DestroySoundBuffer(), and lprintf.

Referenced by open_plugin().

ao_directx_control()

static int ao_directx_control ( ao_driver_t *  this_gen, int  cmd,   ...  )

static

References AO_CTRL_FLUSH_BUFFERS, AO_CTRL_PLAY_PAUSE, and AO_CTRL_PLAY_RESUME.

Referenced by open_plugin().

ao_directx_delay()

static int ao_directx_delay ( ao_driver_t *  ao_driver )

static

References lprintf.

Referenced by open_plugin().

ao_directx_exit()

static void ao_directx_exit ( ao_driver_t *  ao_driver )

static

References DestroyDirectSound(), DestroySoundBuffer(), and lprintf.

Referenced by open_plugin().

ao_directx_get_capabilities()

static uint32_t ao_directx_get_capabilities ( ao_driver_t *  ao_driver )

static

References AO_CAP_MIXER_VOL, AO_CAP_MODE_STEREO, AO_CAP_MUTE_VOL, and AO_CAP_PCM_VOL.

Referenced by open_plugin().

ao_directx_get_gap_tolerance()

static int ao_directx_get_gap_tolerance ( ao_driver_t *  ao_driver )

static

Referenced by open_plugin().

ao_directx_get_property()

static int ao_directx_get_property ( ao_driver_t *  ao_driver, int  property  )

static

Referenced by open_plugin().

ao_directx_num_channels()

static int ao_directx_num_channels ( ao_driver_t *  ao_driver )

static

References ao_directx_t::chnn.

Referenced by open_plugin().

ao_directx_open()

static int ao_directx_open ( ao_driver_t *  ao_driver, uint32_t  bits, uint32_t  rate, int  mode  )

static

References AO_CAP_MODE_4CHANNEL, AO_CAP_MODE_5_1CHANNEL, AO_CAP_MODE_5CHANNEL, AO_CAP_MODE_A52, AO_CAP_MODE_AC5, AO_CAP_MODE_MONO, AO_CAP_MODE_STEREO, bits, CreateSoundBuffer(), lprintf, mode(), XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by open_plugin().

ao_directx_set_property()

static int ao_directx_set_property ( ao_driver_t *  ao_driver, int  property, int  value  )

static

References AO_PROP_MIXER_VOL, AO_PROP_MUTE_VOL, AO_PROP_PCM_VOL, lprintf, XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by open_plugin().

ao_directx_write()

static int ao_directx_write ( ao_driver_t *  ao_driver, int16_t *  frame_buffer, uint32_t  num_frames  )

static

References DSBUFF_LEFT, DSBUFF_RIGHT, FillSoundBuffer(), and lprintf.

Referenced by open_plugin().

CreateDirectSound()

static boolean CreateDirectSound ( ao_directx_t *  ao_directx )

static

References Error(), and lprintf.

Referenced by open_plugin().

CreateSoundBuffer()

static boolean CreateSoundBuffer ( ao_directx_t *  ao_directx )

static

References DestroySoundBuffer(), DSBUFF_INIT, Error(), FillSoundBuffer(), IID_IDirectSoundNotify, lprintf, NULL, and SOUND_BUFFER_DIV.

Referenced by ao_directx_open().

DestroyDirectSound()

static void DestroyDirectSound ( ao_directx_t *  ao_directx )

static

References lprintf.

Referenced by ao_directx_exit().

DestroySoundBuffer()

static void DestroySoundBuffer ( ao_directx_t *  ao_directx )

static

References DSBUFF_INIT, FillSoundBuffer(), and lprintf.

Referenced by ao_directx_close(), ao_directx_exit(), and CreateSoundBuffer().

Error()

static void Error ( HWND  hwnd, LPCSTR  szfmt,   ...  )

static

Referenced by CreateDirectSound(), CreateSoundBuffer(), and FillSoundBuffer().

FillSoundBuffer()

static uint32_t FillSoundBuffer ( ao_directx_t *  ao_directx, int  code, unsigned char *  samples  )

static

References code, DSBUFF_INIT, DSBUFF_LEFT, DSBUFF_RIGHT, Error(), lprintf, and NULL.

Referenced by ao_directx_write(), CreateSoundBuffer(), and DestroySoundBuffer().

init_class()

static void* init_class ( xine_t *  xine, const void *  data  )

static

References default_audio_driver_class_dispose, audio_driver_class_s::description, audio_driver_class_s::dispose, audiox_class_t::driver_class, audio_driver_class_s::identifier, lprintf, N_, NULL, audio_driver_class_s::open_plugin, open_plugin(), and audiox_class_t::xine.

open_plugin()

static ao_driver_t* open_plugin ( audio_driver_class_t *  class_gen, const void *  data  )

static

References ao_directx_bytes_per_frame(), ao_directx_close(), ao_directx_control(), ao_directx_delay(), ao_directx_exit(), ao_directx_get_capabilities(), ao_directx_get_gap_tolerance(), ao_directx_get_property(), ao_directx_num_channels(), ao_directx_open(), ao_directx_set_property(), ao_directx_write(), CreateDirectSound(), lprintf, and NULL.

Referenced by init_class().

Variable Documentation

ao_info_directx

const ao_info_t ao_info_directx

static

Initial value:

= {
  .priority = 1,
}

EXPORTED

const plugin_info_t xine_plugin_info [] EXPORTED

Initial value:

= {
  
  { PLUGIN_AUDIO_OUT,  9 , "directx", XINE_VERSION_CODE, &ao_info_directx, init_class },
  { PLUGIN_NONE, 0, NULL, 0, NULL, NULL }
}

xine_IID_IDirectSoundNotify

const GUID xine_IID_IDirectSoundNotify

static

Initial value:

= {
        0xB0210783,0x89CD,0x11D0,{0xAF,0x08,0x00,0xA0,0xC9,0x25,0xCD,0x16}
}