dsound.c File Reference

#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <dsound.h>
#include <cguid.h>
#include <mmreg.h>
#include <ks.h>
#include <ksmedia.h>
#include "alMain.h"
#include "alu.h"

Go to the source code of this file.

Macros
#define	DirectSoundCaptureCreate   pDirectSoundCaptureCreate
#define	DirectSoundCaptureEnumerateA   pDirectSoundCaptureEnumerateA
#define	DirectSoundCreate   pDirectSoundCreate
#define	DirectSoundEnumerateA   pDirectSoundEnumerateA
#define	LOAD_FUNC(f)
#define	MAX_UPDATES   128

Functions
void	alcDSoundDeinit (void)
ALCboolean	alcDSoundInit (BackendFuncs *FuncList)
void	alcDSoundProbe (enum DevProbe type)
	DEFINE_GUID (KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71)
	DEFINE_GUID (KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71)
static ALCuint	DSoundAvailableSamples (ALCdevice *Device)
static ALCenum	DSoundCaptureSamples (ALCdevice *Device, ALCvoid *pBuffer, ALCuint lSamples)
static void	DSoundCloseCapture (ALCdevice *device)
static void	DSoundClosePlayback (ALCdevice *device)
static BOOL CALLBACK	DSoundEnumCaptureDevices (LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
static BOOL CALLBACK	DSoundEnumPlaybackDevices (LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
static ALCboolean	DSoundLoad (void)
static ALCenum	DSoundOpenCapture (ALCdevice *device, const ALCchar *deviceName)
static ALCenum	DSoundOpenPlayback (ALCdevice *device, const ALCchar *deviceName)
static ALuint	DSoundPlaybackProc (ALvoid *ptr)
static ALCboolean	DSoundResetPlayback (ALCdevice *device)
static void	DSoundStartCapture (ALCdevice *device)
static ALCboolean	DSoundStartPlayback (ALCdevice *device)
static void	DSoundStopCapture (ALCdevice *device)
static void	DSoundStopPlayback (ALCdevice *device)
static	HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice

Variables
static DevMap *	CaptureDeviceList
static void *	ds_handle
static const BackendFuncs	DSoundFuncs
static ALuint	NumCaptureDevices
static ALuint	NumPlaybackDevices
static void *	pContext
static DevMap *	PlaybackDeviceList
static IDirectSound **	ppDS
static IDirectSoundCapture **	ppDSC
static IDirectSound IUnknown *	pUnkOuter

Macro Definition Documentation

#define DirectSoundCaptureCreate   pDirectSoundCaptureCreate

Definition at line 57 of file dsound.c.

Referenced by DSoundLoad(), and DSoundOpenCapture().

#define DirectSoundCaptureEnumerateA   pDirectSoundCaptureEnumerateA

Definition at line 58 of file dsound.c.

Referenced by alcDSoundProbe(), DSoundLoad(), and DSoundOpenCapture().

#define DirectSoundCreate   pDirectSoundCreate

Definition at line 55 of file dsound.c.

Referenced by DSoundLoad(), and DSoundOpenPlayback().

#define DirectSoundEnumerateA   pDirectSoundEnumerateA

Definition at line 56 of file dsound.c.

Referenced by alcDSoundProbe(), DSoundLoad(), and DSoundOpenPlayback().

#define LOAD_FUNC

(

f

)

Value:

do {                                                     \
    p##f = GetSymbol(ds_handle, #f);                                          \
    if(p##f == NULL) {                                                        \
        CloseLib(ds_handle);                                                  \
        ds_handle = NULL;                                                     \
        return ALC_FALSE;                                                     \
    }                                                                         \
} while(0)

Referenced by alsa_load(), DSoundLoad(), and pa_load().

#define MAX_UPDATES   128

Definition at line 93 of file dsound.c.

Referenced by DSoundResetPlayback().

Function Documentation

void alcDSoundDeinit

(

void

)

Definition at line 969 of file dsound.c.

References CaptureDeviceList, ds_handle, free, i, NULL, NumCaptureDevices, NumPlaybackDevices, and PlaybackDeviceList.

ALCboolean alcDSoundInit

(

BackendFuncs *

FuncList

)

Definition at line 961 of file dsound.c.

References ALC_FALSE, ALC_TRUE, DSoundFuncs, and DSoundLoad().

void alcDSoundProbe

(

enum DevProbe

type

)

Definition at line 990 of file dsound.c.

References ALL_DEVICE_PROBE, AppendAllDevicesList(), AppendCaptureDeviceList(), CAPTURE_DEVICE_PROBE, CaptureDeviceList, DirectSoundCaptureEnumerateA, DirectSoundEnumerateA, DSoundEnumCaptureDevices(), DSoundEnumPlaybackDevices(), ERR, free, HRESULT(), i, NULL, NumCaptureDevices, NumPlaybackDevices, and PlaybackDeviceList.

DEFINE_GUID	(	KSDATAFORMAT_SUBTYPE_PCM	,
		0x00000001	,
		0x0000	,
		0x0010	,
		0x80	,
		0x00	,
		0x00	,
		0xaa	,
		0x00	,
		0x38	,
		0x9b	,
		0x71
	)

OpenAL cross platform audio library Copyright (C) 1999-2007 by authors. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.

You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Or go to http://www.gnu.org/copyleft/lgpl.html

DEFINE_GUID	(	KSDATAFORMAT_SUBTYPE_IEEE_FLOAT	,
		0x00000003	,
		0x0000	,
		0x0010	,
		0x80	,
		0x00	,
		0x00	,
		0xaa	,
		0x00	,
		0x38	,
		0x9b	,
		0x71
	)

static ALCuint DSoundAvailableSamples ( ALCdevice *  Device )

static

Definition at line 895 of file dsound.c.

References aluHandleDisconnect(), ALCdevice_struct::Connected, DWORD(), ERR, ALCdevice_struct::ExtraData, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, FrameSizeFromDevFmt(), HRESULT(), NULL, RingBufferSize(), VOID(), and WriteRingBuffer().

static ALCenum DSoundCaptureSamples ( ALCdevice *  Device, ALCvoid *  pBuffer, ALCuint  lSamples  )

static

Definition at line 888 of file dsound.c.

References ALC_NO_ERROR, ALCdevice_struct::ExtraData, and ReadRingBuffer().

static void DSoundCloseCapture ( ALCdevice *  device )

static

Definition at line 841 of file dsound.c.

References DestroyRingBuffer(), ALCdevice_struct::ExtraData, free, and NULL.

static void DSoundClosePlayback ( ALCdevice *  device )

static

Definition at line 396 of file dsound.c.

References ALCdevice_struct::ExtraData, free, and NULL.

static BOOL CALLBACK DSoundEnumCaptureDevices ( LPGUID  guid, LPCSTR  desc, LPCSTR  drvname, LPVOID  data  )

static

Definition at line 174 of file dsound.c.

References CaptureDeviceList, HRESULT(), i, NULL, NumCaptureDevices, realloc, str, strdup(), TRACE, and TRUE.

Referenced by alcDSoundProbe(), and DSoundOpenCapture().

static BOOL CALLBACK DSoundEnumPlaybackDevices ( LPGUID  guid, LPCSTR  desc, LPCSTR  drvname, LPVOID  data  )

static

Definition at line 124 of file dsound.c.

References HRESULT(), i, NULL, NumPlaybackDevices, PlaybackDeviceList, realloc, str, strdup(), TRACE, and TRUE.

Referenced by alcDSoundProbe(), and DSoundOpenPlayback().

static ALCboolean DSoundLoad ( void  )

static

Definition at line 95 of file dsound.c.

References ALC_FALSE, ALC_TRUE, DirectSoundCaptureCreate, DirectSoundCaptureEnumerateA, DirectSoundCreate, DirectSoundEnumerateA, ds_handle, ERR, LOAD_FUNC, and NULL.

Referenced by alcDSoundInit().

static ALCenum DSoundOpenCapture ( ALCdevice *  device, const ALCchar *  deviceName  )

static

Definition at line 656 of file dsound.c.

References ALC_INVALID_ENUM, ALC_INVALID_VALUE, ALC_NO_ERROR, ALC_OUT_OF_MEMORY, BytesFromDevFmt(), calloc, CaptureDeviceList, tWAVEFORMATEX::cbSize, ChannelsFromDevFmt(), CreateRingBuffer(), DestroyRingBuffer(), DevFmtByte, DevFmtFloat, DevFmtInt, DevFmtMono, DevFmtQuad, DevFmtShort, DevFmtStereo, DevFmtTypeString(), DevFmtUByte, DevFmtUInt, DevFmtUShort, DevFmtX51, DevFmtX51Side, DevFmtX61, DevFmtX71, ALCdevice_struct::DeviceName, DirectSoundCaptureCreate, DirectSoundCaptureEnumerateA, DSoundEnumCaptureDevices(), WAVEFORMATEXTENSIBLE::dwChannelMask, ERR, ALCdevice_struct::ExtraData, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, WAVEFORMATEXTENSIBLE::Format, free, ALCdevice_struct::Frequency, HRESULT(), i, maxu(), memset, tWAVEFORMATEX::nAvgBytesPerSec, tWAVEFORMATEX::nBlockAlign, tWAVEFORMATEX::nChannels, tWAVEFORMATEX::nSamplesPerSec, NULL, NumCaptureDevices, ALCdevice_struct::NumUpdates, WAVEFORMATEXTENSIBLE::Samples, SetDefaultWFXChannelOrder(), SPEAKER_BACK_CENTER, SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, SPEAKER_FRONT_CENTER, SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT, SPEAKER_LOW_FREQUENCY, SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, strdup(), WAVEFORMATEXTENSIBLE::SubFormat, ALCdevice_struct::UpdateSize, WARN, WAVE_FORMAT_EXTENSIBLE, WAVE_FORMAT_PCM, tWAVEFORMATEX::wBitsPerSample, tWAVEFORMATEX::wFormatTag, and WAVEFORMATEXTENSIBLE::wValidBitsPerSample.

static ALCenum DSoundOpenPlayback ( ALCdevice *  device, const ALCchar *  deviceName  )

static

Definition at line 331 of file dsound.c.

References ALC_INVALID_VALUE, ALC_NO_ERROR, ALC_OUT_OF_MEMORY, calloc, ALCdevice_struct::DeviceName, DirectSoundCreate, DirectSoundEnumerateA, DSoundEnumPlaybackDevices(), ERR, ALCdevice_struct::ExtraData, FALSE, free, HRESULT(), i, NULL, NumPlaybackDevices, PlaybackDeviceList, and strdup().

static ALuint DSoundPlaybackProc ( ALvoid *  ptr )

static

Definition at line 224 of file dsound.c.

References ALCdevice_Lock, ALCdevice_Unlock, aluHandleDisconnect(), aluMixData(), BOOL(), DWORD(), ERR, ALCdevice_struct::ExtraData, FALSE, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, FrameSizeFromDevFmt(), HRESULT(), memset, NULL, SetRTPriority(), TRUE, ALCdevice_struct::UpdateSize, VOID(), and WARN.

Referenced by DSoundStartPlayback().

static ALCboolean DSoundResetPlayback ( ALCdevice *  device )

static

Definition at line 416 of file dsound.c.

References ALC_FALSE, ALC_TRUE, BytesFromDevFmt(), ChannelsFromDevFmt(), DevFmtByte, DevFmtFloat, DevFmtInt, DevFmtMono, DevFmtQuad, DevFmtShort, DevFmtStereo, DevFmtUByte, DevFmtUInt, DevFmtUShort, DevFmtX51, DevFmtX51Side, DevFmtX61, DevFmtX71, DEVICE_CHANNELS_REQUEST, DEVICE_SAMPLE_TYPE_REQUEST, DWORD(), ERR, ALCdevice_struct::ExtraData, ALCdevice_struct::Flags, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, ALCdevice_struct::Frequency, HRESULT(), i, LPVOID(), MAX_UPDATES, memset, NULL, ALCdevice_struct::NumUpdates, SetDefaultWFXChannelOrder(), SPEAKER_BACK_CENTER, SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, SPEAKER_FRONT_CENTER, SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT, SPEAKER_LOW_FREQUENCY, SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, ALCdevice_struct::UpdateSize, WAVE_FORMAT_EXTENSIBLE, and WAVE_FORMAT_PCM.

static void DSoundStartCapture ( ALCdevice *  device )

static

Definition at line 862 of file dsound.c.

References aluHandleDisconnect(), ERR, ALCdevice_struct::ExtraData, and HRESULT().

static ALCboolean DSoundStartPlayback ( ALCdevice *  device )

static

Definition at line 629 of file dsound.c.

References ALC_FALSE, ALC_TRUE, DSoundPlaybackProc(), ALCdevice_struct::ExtraData, NULL, and StartThread().

static void DSoundStopCapture ( ALCdevice *  device )

static

Definition at line 875 of file dsound.c.

References aluHandleDisconnect(), ERR, ALCdevice_struct::ExtraData, and HRESULT().

static void DSoundStopPlayback ( ALCdevice *  device )

static

Definition at line 640 of file dsound.c.

References ALCdevice_struct::ExtraData, NULL, and StopThread().

static HRESULT ( WINAPI *  pDirectSoundCreate )

static

Referenced by alcDSoundProbe(), DSoundAvailableSamples(), DSoundEnumCaptureDevices(), DSoundEnumPlaybackDevices(), DSoundOpenCapture(), DSoundOpenPlayback(), DSoundPlaybackProc(), DSoundResetPlayback(), DSoundStartCapture(), and DSoundStopCapture().

Variable Documentation

DevMap* CaptureDeviceList

static

Definition at line 90 of file dsound.c.

Referenced by alcDSoundDeinit(), alcDSoundProbe(), DSoundEnumCaptureDevices(), and DSoundOpenCapture().

void* ds_handle

static

Definition at line 49 of file dsound.c.

Referenced by alcDSoundDeinit(), and DSoundLoad().

const BackendFuncs DSoundFuncs

static

Initial value:

= {
    DSoundOpenPlayback,
    DSoundClosePlayback,
    DSoundResetPlayback,
    DSoundStartPlayback,
    DSoundStopPlayback,
    DSoundOpenCapture,
    DSoundCloseCapture,
    DSoundStartCapture,
    DSoundStopCapture,
    DSoundCaptureSamples,
    DSoundAvailableSamples,
    ALCdevice_LockDefault,
    ALCdevice_UnlockDefault,
    ALCdevice_GetLatencyDefault
}

Definition at line 943 of file dsound.c.

Referenced by alcDSoundInit().

ALuint NumCaptureDevices

static

Definition at line 91 of file dsound.c.

Referenced by alcDSoundDeinit(), alcDSoundProbe(), DSoundEnumCaptureDevices(), and DSoundOpenCapture().

ALuint NumPlaybackDevices

static

Definition at line 89 of file dsound.c.

Referenced by alcDSoundDeinit(), alcDSoundProbe(), DSoundEnumPlaybackDevices(), and DSoundOpenPlayback().

static void * pContext

Definition at line 51 of file dsound.c.

DevMap* PlaybackDeviceList

static

Definition at line 88 of file dsound.c.

Referenced by alcDSoundDeinit(), alcDSoundProbe(), DSoundEnumPlaybackDevices(), and DSoundOpenPlayback().

IDirectSound** ppDS

Definition at line 50 of file dsound.c.

IDirectSoundCapture** ppDSC

Definition at line 52 of file dsound.c.

static IDirectSoundCapture IUnknown * pUnkOuter

Definition at line 50 of file dsound.c.