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wine/dlls/dsound/dsound_main.c
Robert Reif 9dacf206fe 3D buffer and listener reference counts should be fixed. 
3D sound now plays in 3D.
COM interfaces should be correct for buffers and 3D stuff. The COM
interface is broken on notifications but I will fix that next.
Fixed the bug when closing and opening the same or another sound
device quickly.
Fixed some locking but there is a lot of work left yet.
2003-06-27 22:22:15 +00:00

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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
/*
* Most thread locking is complete. There may be a few race
* conditions still lurking.
*
* Tested with a Soundblaster clone, a Gravis UltraSound Classic,
* and a Turtle Beach Tropez+.
*
* TODO:
* Implement SetCooperativeLevel properly (need to address focus issues)
* Implement DirectSound3DBuffers (stubs in place)
* Use hardware 3D support if available
* Add critical section locking inside Release and AddRef methods
* Handle static buffers - put those in hardware, non-static not in hardware
* Hardware DuplicateSoundBuffer
* Proper volume calculation, and setting volume in HEL primary buffer
* Optimize WINMM and negotiate fragment size, decrease DS_HEL_MARGIN
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/fcntl.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "mmsystem.h"
#include "winternl.h"
#include "mmddk.h"
#include "wine/windef16.h"
#include "wine/winbase16.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsdriver.h"
#include "dsound_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
/* these are eligible for tuning... they must be high on slow machines... */
/* some stuff may get more responsive with lower values though... */
#define DS_EMULDRIVER 0 /* some games (Quake 2, UT) refuse to accept
emulated dsound devices. set to 0 ! */
#define DS_HEL_MARGIN 5 /* HEL only: number of waveOut fragments ahead to mix in new buffers
* (keep this close or equal to DS_HEL_QUEUE for best results) */
#define DS_HEL_QUEUE 5 /* HEL only: number of waveOut fragments ahead to queue to driver
* (this will affect HEL sound reliability and latency) */
#define DS_SND_QUEUE_MAX 28 /* max number of fragments to prebuffer */
#define DS_SND_QUEUE_MIN 12 /* min number of fragments to prebuffer */
IDirectSoundImpl* dsound = NULL;
HRESULT mmErr(UINT err)
{
switch(err) {
case MMSYSERR_NOERROR:
return DS_OK;
case MMSYSERR_ALLOCATED:
return DSERR_ALLOCATED;
case MMSYSERR_ERROR:
case MMSYSERR_INVALHANDLE:
case WAVERR_STILLPLAYING:
return DSERR_GENERIC; /* FIXME */
case MMSYSERR_NODRIVER:
return DSERR_NODRIVER;
case MMSYSERR_NOMEM:
return DSERR_OUTOFMEMORY;
case MMSYSERR_INVALPARAM:
case WAVERR_BADFORMAT:
case WAVERR_UNPREPARED:
return DSERR_INVALIDPARAM;
case MMSYSERR_NOTSUPPORTED:
return DSERR_UNSUPPORTED;
default:
FIXME("Unknown MMSYS error %d\n",err);
return DSERR_GENERIC;
}
}
int ds_emuldriver = DS_EMULDRIVER;
int ds_hel_margin = DS_HEL_MARGIN;
int ds_hel_queue = DS_HEL_QUEUE;
int ds_snd_queue_max = DS_SND_QUEUE_MAX;
int ds_snd_queue_min = DS_SND_QUEUE_MIN;
int ds_hw_accel = DS_HW_ACCEL_FULL;
int ds_default_playback = 0;
int ds_default_capture = 0;
/*
* Get a config key from either the app-specific or the default config
*/
inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
char *buffer, DWORD size )
{
if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
}
/*
* Setup the dsound options.
*/
void setup_dsound_options(void)
{
char buffer[MAX_PATH+1];
HKEY hkey, appkey = 0;
buffer[MAX_PATH]='\0';
if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\dsound", 0, NULL,
REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
{
ERR("Cannot create config registry key\n" );
ExitProcess(1);
}
if (GetModuleFileNameA( 0, buffer, MAX_PATH ))
{
HKEY tmpkey;
if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
{
char appname[MAX_PATH+16];
char *p = strrchr( buffer, '\\' );
if (p!=NULL) {
appname[MAX_PATH]='\0';
strncpy(appname,p+1,MAX_PATH);
strcat(appname,"\\dsound");
TRACE("appname = [%s] \n",appname);
if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
RegCloseKey( tmpkey );
}
}
}
/* get options */
if (!get_config_key( hkey, appkey, "EmulDriver", buffer, MAX_PATH ))
ds_emuldriver = strcmp(buffer, "N");
if (!get_config_key( hkey, appkey, "HELmargin", buffer, MAX_PATH ))
ds_hel_margin = atoi(buffer);
if (!get_config_key( hkey, appkey, "HELqueue", buffer, MAX_PATH ))
ds_hel_queue = atoi(buffer);
if (!get_config_key( hkey, appkey, "SndQueueMax", buffer, MAX_PATH ))
ds_snd_queue_max = atoi(buffer);
if (!get_config_key( hkey, appkey, "SndQueueMin", buffer, MAX_PATH ))
ds_snd_queue_min = atoi(buffer);
if (!get_config_key( hkey, appkey, "HardwareAcceleration", buffer, MAX_PATH )) {
if (strcmp(buffer, "Full") == 0)
ds_hw_accel = DS_HW_ACCEL_FULL;
else if (strcmp(buffer, "Standard") == 0)
ds_hw_accel = DS_HW_ACCEL_STANDARD;
else if (strcmp(buffer, "Basic") == 0)
ds_hw_accel = DS_HW_ACCEL_BASIC;
else if (strcmp(buffer, "Emulation") == 0)
ds_hw_accel = DS_HW_ACCEL_EMULATION;
}
if (!get_config_key( hkey, appkey, "DefaultPlayback", buffer, MAX_PATH ))
ds_default_playback = atoi(buffer);
if (!get_config_key( hkey, appkey, "DefaultCapture", buffer, MAX_PATH ))
ds_default_capture = atoi(buffer);
if (appkey) RegCloseKey( appkey );
RegCloseKey( hkey );
if (ds_emuldriver != DS_EMULDRIVER )
WARN("ds_emuldriver = %d (default=%d)\n",ds_emuldriver, DS_EMULDRIVER);
if (ds_hel_margin != DS_HEL_MARGIN )
WARN("ds_hel_margin = %d (default=%d)\n",ds_hel_margin, DS_HEL_MARGIN );
if (ds_hel_queue != DS_HEL_QUEUE )
WARN("ds_hel_queue = %d (default=%d)\n",ds_hel_queue, DS_HEL_QUEUE );
if (ds_snd_queue_max != DS_SND_QUEUE_MAX)
WARN("ds_snd_queue_max = %d (default=%d)\n",ds_snd_queue_max ,DS_SND_QUEUE_MAX);
if (ds_snd_queue_min != DS_SND_QUEUE_MIN)
WARN("ds_snd_queue_min = %d (default=%d)\n",ds_snd_queue_min ,DS_SND_QUEUE_MIN);
if (ds_hw_accel != DS_HW_ACCEL_FULL)
WARN("ds_hw_accel = %s (default=Full)\n",
ds_hw_accel==DS_HW_ACCEL_FULL ? "Full" :
ds_hw_accel==DS_HW_ACCEL_STANDARD ? "Standard" :
ds_hw_accel==DS_HW_ACCEL_BASIC ? "Basic" :
ds_hw_accel==DS_HW_ACCEL_EMULATION ? "Emulation" :
"Unknown");
if (ds_default_playback != 0)
WARN("ds_default_playback = %d (default=0)\n",ds_default_playback);
if (ds_default_capture != 0)
WARN("ds_default_capture = %d (default=0)\n",ds_default_playback);
}
/***************************************************************************
* GetDeviceID [DSOUND.9]
*
* Retrieves unique identifier of default device specified
*
* PARAMS
* pGuidSrc [I] Address of device GUID.
* pGuidDest [O] Address to receive unique device GUID.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*
* NOTES
* pGuidSrc is a valid device GUID or DSDEVID_DefaultPlayback,
* DSDEVID_DefaultCapture, DSDEVID_DefaultVoicePlayback, or
* DSDEVID_DefaultVoiceCapture.
* Returns pGuidSrc if pGuidSrc is a valid device or the device
* GUID for the specified constants.
*/
HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
{
TRACE("(%p,%p)\n",pGuidSrc,pGuidDest);
if ( pGuidSrc == NULL) {
WARN("invalid parameter: pGuidSrc == NULL\n");
return DSERR_INVALIDPARAM;
}
if ( pGuidDest == NULL ) {
WARN("invalid parameter: pGuidDest == NULL\n");
return DSERR_INVALIDPARAM;
}
if ( IsEqualGUID( &DSDEVID_DefaultPlayback, pGuidSrc ) ||
IsEqualGUID( &DSDEVID_DefaultVoicePlayback, pGuidSrc ) ) {
GUID guid;
int err = mmErr(waveOutMessage((HWAVEOUT)ds_default_playback,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
if (err == DS_OK) {
memcpy(pGuidDest, &guid, sizeof(GUID));
return DS_OK;
}
}
if ( IsEqualGUID( &DSDEVID_DefaultCapture, pGuidSrc ) ||
IsEqualGUID( &DSDEVID_DefaultVoiceCapture, pGuidSrc ) ) {
GUID guid;
int err = mmErr(waveInMessage((HWAVEIN)ds_default_capture,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
if (err == DS_OK) {
memcpy(pGuidDest, &guid, sizeof(GUID));
return DS_OK;
}
}
memcpy(pGuidDest, pGuidSrc, sizeof(GUID));
return DS_OK;
}
/***************************************************************************
* DirectSoundEnumerateA [DSOUND.2]
*
* Enumerate all DirectSound drivers installed in the system
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DirectSoundEnumerateA(
LPDSENUMCALLBACKA lpDSEnumCallback,
LPVOID lpContext)
{
unsigned devs, wod;
DSDRIVERDESC desc;
GUID guid;
int err;
TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
lpDSEnumCallback, lpContext);
if (lpDSEnumCallback == NULL) {
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
devs = waveOutGetNumDevs();
if (devs > 0) {
if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
GUID temp;
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&temp,0));
if (err == DS_OK) {
if (IsEqualGUID( &guid, &temp ) ) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&DSDEVID_DefaultPlayback),"Primary Sound Driver",desc.szDrvName,lpContext);
if (lpDSEnumCallback((LPGUID)&DSDEVID_DefaultPlayback, "Primary Sound Driver", desc.szDrvName, lpContext) == FALSE)
return DS_OK;
}
}
}
}
}
}
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
if (err == DS_OK) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&guid),desc.szDesc,desc.szDrvName,lpContext);
if (lpDSEnumCallback(&guid, desc.szDesc, desc.szDrvName, lpContext) == FALSE)
return DS_OK;
}
}
}
return DS_OK;
}
/***************************************************************************
* DirectSoundEnumerateW [DSOUND.3]
*
* Enumerate all DirectSound drivers installed in the system
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DirectSoundEnumerateW(
LPDSENUMCALLBACKW lpDSEnumCallback,
LPVOID lpContext )
{
unsigned devs, wod;
DSDRIVERDESC desc;
GUID guid;
int err;
WCHAR wDesc[MAXPNAMELEN];
WCHAR wName[MAXPNAMELEN];
TRACE("lpDSEnumCallback = %p, lpContext = %p\n",
lpDSEnumCallback, lpContext);
if (lpDSEnumCallback == NULL) {
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
devs = waveOutGetNumDevs();
if (devs > 0) {
if (GetDeviceID(&DSDEVID_DefaultPlayback, &guid) == DS_OK) {
GUID temp;
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&temp,0));
if (err == DS_OK) {
if (IsEqualGUID( &guid, &temp ) ) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&DSDEVID_DefaultPlayback),"Primary Sound Driver",desc.szDrvName,lpContext);
MultiByteToWideChar( CP_ACP, 0, "Primary Sound Driver", -1,
wDesc, sizeof(wDesc)/sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, desc.szDrvName, -1,
wName, sizeof(wName)/sizeof(WCHAR) );
if (lpDSEnumCallback((LPGUID)&DSDEVID_DefaultPlayback, wDesc, wName, lpContext) == FALSE)
return DS_OK;
}
}
}
}
}
}
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD)&desc,0));
if (err == DS_OK) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)&guid,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&guid),desc.szDesc,desc.szDrvName,lpContext);
MultiByteToWideChar( CP_ACP, 0, desc.szDesc, -1,
wDesc, sizeof(wDesc)/sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, desc.szDrvName, -1,
wName, sizeof(wName)/sizeof(WCHAR) );
if (lpDSEnumCallback(&guid, wDesc, wName, lpContext) == FALSE)
return DS_OK;
}
}
}
return DS_OK;
}
static void _dump_DSBCAPS(DWORD xmask) {
struct {
DWORD mask;
char *name;
} flags[] = {
#define FE(x) { x, #x },
FE(DSBCAPS_PRIMARYBUFFER)
FE(DSBCAPS_STATIC)
FE(DSBCAPS_LOCHARDWARE)
FE(DSBCAPS_LOCSOFTWARE)
FE(DSBCAPS_CTRL3D)
FE(DSBCAPS_CTRLFREQUENCY)
FE(DSBCAPS_CTRLPAN)
FE(DSBCAPS_CTRLVOLUME)
FE(DSBCAPS_CTRLPOSITIONNOTIFY)
FE(DSBCAPS_CTRLDEFAULT)
FE(DSBCAPS_CTRLALL)
FE(DSBCAPS_STICKYFOCUS)
FE(DSBCAPS_GLOBALFOCUS)
FE(DSBCAPS_GETCURRENTPOSITION2)
FE(DSBCAPS_MUTE3DATMAXDISTANCE)
#undef FE
};
int i;
for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
if ((flags[i].mask & xmask) == flags[i].mask)
DPRINTF("%s ",flags[i].name);
}
/*******************************************************************************
* IDirectSound
*/
static HRESULT WINAPI IDirectSoundImpl_SetCooperativeLevel(
LPDIRECTSOUND8 iface,HWND hwnd,DWORD level
) {
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p,%08lx,%ld)\n",This,(DWORD)hwnd,level);
if (level==DSSCL_PRIORITY || level==DSSCL_EXCLUSIVE) {
FIXME("level=%s not fully supported\n",
level==DSSCL_PRIORITY ? "DSSCL_PRIORITY" : "DSSCL_EXCLUSIVE");
}
This->priolevel = level;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_CreateSoundBuffer(
LPDIRECTSOUND8 iface,LPDSBUFFERDESC dsbd,LPLPDIRECTSOUNDBUFFER8 ppdsb,LPUNKNOWN lpunk
) {
ICOM_THIS(IDirectSoundImpl,iface);
LPWAVEFORMATEX wfex;
HRESULT hres = DS_OK;
TRACE("(%p,%p,%p,%p)\n",This,dsbd,ppdsb,lpunk);
if (This == NULL) {
WARN("invalid parameter: This == NULL\n");
return DSERR_INVALIDPARAM;
}
if (dsbd == NULL) {
WARN("invalid parameter: dsbd == NULL\n");
return DSERR_INVALIDPARAM;
}
if (ppdsb == NULL) {
WARN("invalid parameter: ppdsb == NULL\n");
return DSERR_INVALIDPARAM;
}
if (TRACE_ON(dsound)) {
TRACE("(structsize=%ld)\n",dsbd->dwSize);
TRACE("(flags=0x%08lx:\n",dsbd->dwFlags);
_dump_DSBCAPS(dsbd->dwFlags);
DPRINTF(")\n");
TRACE("(bufferbytes=%ld)\n",dsbd->dwBufferBytes);
TRACE("(lpwfxFormat=%p)\n",dsbd->lpwfxFormat);
}
wfex = dsbd->lpwfxFormat;
if (wfex)
TRACE("(formattag=0x%04x,chans=%d,samplerate=%ld,"
"bytespersec=%ld,blockalign=%d,bitspersamp=%d,cbSize=%d)\n",
wfex->wFormatTag, wfex->nChannels, wfex->nSamplesPerSec,
wfex->nAvgBytesPerSec, wfex->nBlockAlign,
wfex->wBitsPerSample, wfex->cbSize);
if (dsbd->dwFlags & DSBCAPS_PRIMARYBUFFER) {
*ppdsb=(LPDIRECTSOUNDBUFFER8)This->primary;
if (*ppdsb==NULL)
WARN("PrimaryBuffer_Create failed\n");
else {
This->dsbd = *dsbd;
IDirectSoundBuffer_AddRef(*ppdsb);
}
} else {
hres = SecondaryBuffer_Create(This, (IDirectSoundBufferImpl**)ppdsb, dsbd);
if (hres != DS_OK)
WARN("SecondaryBuffer_Create failed\n");
else
IDirectSoundBuffer_AddRef(*ppdsb);
}
return hres;
}
static HRESULT WINAPI IDirectSoundImpl_DuplicateSoundBuffer(
LPDIRECTSOUND8 iface,LPDIRECTSOUNDBUFFER8 pdsb,LPLPDIRECTSOUNDBUFFER8 ppdsb
) {
ICOM_THIS(IDirectSoundImpl,iface);
IDirectSoundBufferImpl* ipdsb=(IDirectSoundBufferImpl*)pdsb;
IDirectSoundBufferImpl* dsb;
TRACE("(%p,%p,%p)\n",This,pdsb,ppdsb);
if (This == NULL) {
WARN("invalid parameter: This == NULL\n");
return DSERR_INVALIDPARAM;
}
if (pdsb == NULL) {
WARN("invalid parameter: pdsb == NULL\n");
return DSERR_INVALIDPARAM;
}
if (ppdsb == NULL) {
WARN("invalid parameter: ppdsb == NULL\n");
return DSERR_INVALIDPARAM;
}
if (ipdsb->dsbd.dwFlags & DSBCAPS_PRIMARYBUFFER) {
ERR("trying to duplicate primary buffer\n");
*ppdsb = NULL;
return DSERR_INVALIDCALL;
}
if (ipdsb->hwbuf) {
FIXME("need to duplicate hardware buffer\n");
*ppdsb = NULL;
return DSERR_INVALIDCALL;
}
dsb = (IDirectSoundBufferImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*dsb));
if (dsb == NULL) {
WARN("out of memory\n");
*ppdsb = NULL;
return DSERR_OUTOFMEMORY;
}
memcpy(dsb, ipdsb, sizeof(IDirectSoundBufferImpl));
dsb->ref = 1;
dsb->state = STATE_STOPPED;
dsb->playpos = 0;
dsb->buf_mixpos = 0;
dsb->dsound = This;
dsb->buffer->ref++;
dsb->hwbuf = NULL;
dsb->ds3db = NULL;
dsb->iks = NULL; /* FIXME? */
memcpy(&(dsb->wfx), &(ipdsb->wfx), sizeof(dsb->wfx));
InitializeCriticalSection(&(dsb->lock));
/* register buffer */
RtlAcquireResourceExclusive(&(This->lock), TRUE);
{
IDirectSoundBufferImpl **newbuffers = (IDirectSoundBufferImpl**)HeapReAlloc(GetProcessHeap(),0,This->buffers,sizeof(IDirectSoundBufferImpl**)*(This->nrofbuffers+1));
if (newbuffers) {
This->buffers = newbuffers;
This->buffers[This->nrofbuffers] = dsb;
This->nrofbuffers++;
TRACE("buffer count is now %d\n", This->nrofbuffers);
} else {
ERR("out of memory for buffer list! Current buffer count is %d\n", This->nrofbuffers);
IDirectSoundBuffer8_Release(pdsb);
DeleteCriticalSection(&(dsb->lock));
RtlReleaseResource(&(This->lock));
HeapFree(GetProcessHeap(),0,dsb);
*ppdsb = 0;
return DSERR_OUTOFMEMORY;
}
}
RtlReleaseResource(&(This->lock));
IDirectSound_AddRef(iface);
*ppdsb = (LPDIRECTSOUNDBUFFER8)dsb;
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_GetCaps(LPDIRECTSOUND8 iface,LPDSCAPS lpDSCaps) {
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p,%p)\n",This,lpDSCaps);
if (This == NULL) {
WARN("invalid parameter: This == NULL\n");
return DSERR_INVALIDPARAM;
}
if (lpDSCaps == NULL) {
WARN("invalid parameter: lpDSCaps = NULL\n");
return DSERR_INVALIDPARAM;
}
/* check is there is enough room */
if (lpDSCaps->dwSize < sizeof(*lpDSCaps)) {
WARN("invalid parameter: lpDSCaps->dwSize = %ld < %d\n",
lpDSCaps->dwSize, sizeof(*lpDSCaps));
return DSERR_INVALIDPARAM;
}
lpDSCaps->dwFlags = This->drvcaps.dwFlags;
TRACE("(flags=0x%08lx)\n",lpDSCaps->dwFlags);
/* FIXME: copy caps from This->drv */
lpDSCaps->dwMinSecondarySampleRate = DSBFREQUENCY_MIN;
lpDSCaps->dwMaxSecondarySampleRate = DSBFREQUENCY_MAX;
lpDSCaps->dwPrimaryBuffers = 1;
lpDSCaps->dwMaxHwMixingAllBuffers = 0;
lpDSCaps->dwMaxHwMixingStaticBuffers = 0;
lpDSCaps->dwMaxHwMixingStreamingBuffers = 0;
lpDSCaps->dwFreeHwMixingAllBuffers = 0;
lpDSCaps->dwFreeHwMixingStaticBuffers = 0;
lpDSCaps->dwFreeHwMixingStreamingBuffers = 0;
lpDSCaps->dwMaxHw3DAllBuffers = 0;
lpDSCaps->dwMaxHw3DStaticBuffers = 0;
lpDSCaps->dwMaxHw3DStreamingBuffers = 0;
lpDSCaps->dwFreeHw3DAllBuffers = 0;
lpDSCaps->dwFreeHw3DStaticBuffers = 0;
lpDSCaps->dwFreeHw3DStreamingBuffers = 0;
lpDSCaps->dwTotalHwMemBytes = 0;
lpDSCaps->dwFreeHwMemBytes = 0;
lpDSCaps->dwMaxContigFreeHwMemBytes = 0;
lpDSCaps->dwUnlockTransferRateHwBuffers = 4096; /* But we have none... */
lpDSCaps->dwPlayCpuOverheadSwBuffers = 1; /* 1% */
return DS_OK;
}
static ULONG WINAPI IDirectSoundImpl_AddRef(LPDIRECTSOUND8 iface) {
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p) ref was %ld, thread is %04lx\n", This, This->ref, GetCurrentThreadId());
return InterlockedIncrement(&This->ref);
}
static ULONG WINAPI IDirectSoundImpl_Release(LPDIRECTSOUND8 iface) {
ICOM_THIS(IDirectSoundImpl,iface);
ULONG ulReturn;
TRACE("(%p) ref was %ld, thread is %04lx\n", This, This->ref, GetCurrentThreadId());
ulReturn = InterlockedDecrement(&This->ref);
if (ulReturn == 0) {
HRESULT hres;
UINT i;
timeKillEvent(This->timerID);
timeEndPeriod(DS_TIME_RES);
/* wait for timer to expire */
Sleep(DS_TIME_RES+1);
RtlAcquireResourceShared(&(This->lock), TRUE);
if (This->buffers) {
for( i=0;i<This->nrofbuffers;i++)
IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)This->buffers[i]);
}
RtlReleaseResource(&(This->lock));
IDirectSoundBuffer8_Release((LPDIRECTSOUNDBUFFER8)This->primary);
hres = DSOUND_PrimaryDestroy(This);
if (hres != DS_OK)
WARN("DSOUND_PrimaryDestroy failed\n");
if (This->driver)
IDsDriver_Close(This->driver);
if (This->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
waveOutClose(This->hwo);
if (This->driver)
IDsDriver_Release(This->driver);
RtlDeleteResource(&This->lock);
DeleteCriticalSection(&This->mixlock);
DeleteCriticalSection(&This->ds3dl_lock);
HeapFree(GetProcessHeap(),0,This);
dsound = NULL;
return 0;
}
return ulReturn;
}
static HRESULT WINAPI IDirectSoundImpl_SetSpeakerConfig(
LPDIRECTSOUND8 iface,DWORD config
) {
ICOM_THIS(IDirectSoundImpl,iface);
FIXME("(%p,0x%08lx):stub\n",This,config);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_QueryInterface(
LPDIRECTSOUND8 iface,REFIID riid,LPVOID *ppobj
) {
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
*ppobj = NULL; /* assume failure */
if ( IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IDirectSound) ||
IsEqualGUID(riid, &IID_IDirectSound8) ) {
IDirectSound8_AddRef((LPDIRECTSOUND8)This);
*ppobj = This;
return S_OK;
}
if ( IsEqualGUID( &IID_IDirectSound3DListener, riid ) ) {
WARN("app requested IDirectSound3DListener on dsound object\n");
return E_NOINTERFACE;
}
FIXME( "Unknown IID %s\n", debugstr_guid( riid ) );
return E_NOINTERFACE;
}
static HRESULT WINAPI IDirectSoundImpl_Compact(
LPDIRECTSOUND8 iface)
{
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p)\n", This);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_GetSpeakerConfig(
LPDIRECTSOUND8 iface,
LPDWORD lpdwSpeakerConfig)
{
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p, %p)\n", This, lpdwSpeakerConfig);
*lpdwSpeakerConfig = DSSPEAKER_STEREO | (DSSPEAKER_GEOMETRY_NARROW << 16);
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_Initialize(
LPDIRECTSOUND8 iface,
LPCGUID lpcGuid)
{
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p, %s)\n", This, debugstr_guid(lpcGuid));
return DS_OK;
}
static HRESULT WINAPI IDirectSoundImpl_VerifyCertification(
LPDIRECTSOUND8 iface,
LPDWORD pdwCertified)
{
ICOM_THIS(IDirectSoundImpl,iface);
TRACE("(%p, %p)\n", This, pdwCertified);
*pdwCertified = DS_CERTIFIED;
return DS_OK;
}
static ICOM_VTABLE(IDirectSound8) dsvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectSoundImpl_QueryInterface,
IDirectSoundImpl_AddRef,
IDirectSoundImpl_Release,
IDirectSoundImpl_CreateSoundBuffer,
IDirectSoundImpl_GetCaps,
IDirectSoundImpl_DuplicateSoundBuffer,
IDirectSoundImpl_SetCooperativeLevel,
IDirectSoundImpl_Compact,
IDirectSoundImpl_GetSpeakerConfig,
IDirectSoundImpl_SetSpeakerConfig,
IDirectSoundImpl_Initialize,
IDirectSoundImpl_VerifyCertification
};
/*******************************************************************************
* DirectSoundCreate (DSOUND.1)
*
* Creates and initializes a DirectSound interface.
*
* PARAMS
* lpcGUID [I] Address of the GUID that identifies the sound device.
* ppDS [O] Address of a variable to receive the interface pointer.
* pUnkOuter [I] Must be NULL.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_ALLOCATED, DSERR_INVALIDPARAM, DSERR_NOAGGREGATION,
* DSERR_NODRIVER, DSERR_OUTOFMEMORY
*/
HRESULT WINAPI DirectSoundCreate8(LPCGUID lpcGUID,LPDIRECTSOUND8 *ppDS,IUnknown *pUnkOuter )
{
IDirectSoundImpl** ippDS=(IDirectSoundImpl**)ppDS;
PIDSDRIVER drv = NULL;
unsigned wod, wodn;
HRESULT err = DSERR_INVALIDPARAM;
GUID devGuid;
BOOLEAN found = FALSE;
TRACE("(%s,%p,%p)\n",debugstr_guid(lpcGUID),ippDS,pUnkOuter);
if (ippDS == NULL) {
WARN("invalid parameter: ippDS == NULL\n");
return DSERR_INVALIDPARAM;
}
/* Get dsound configuration */
setup_dsound_options();
/* Default device? */
if (!lpcGUID || IsEqualGUID(lpcGUID, &GUID_NULL))
lpcGUID = &DSDEVID_DefaultPlayback;
if (GetDeviceID(lpcGUID, &devGuid) != DS_OK) {
WARN("invalid parameter: lpcGUID\n");
*ippDS = NULL;
return DSERR_INVALIDPARAM;
}
if (dsound) {
if (IsEqualGUID(&devGuid, &dsound->guid) ) {
ERR("dsound already opened\n");
IDirectSound_AddRef((LPDIRECTSOUND)dsound);
*ippDS = dsound;
return DS_OK;
} else {
ERR("different dsound already opened\n");
}
}
/* Enumerate WINMM audio devices and find the one we want */
wodn = waveOutGetNumDevs();
if (!wodn) {
WARN("no driver\n");
*ippDS = NULL;
return DSERR_NODRIVER;
}
TRACE(" expecting GUID %s.\n", debugstr_guid(&devGuid));
for (wod=0; wod<wodn; wod++) {
GUID guid;
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDGUID,(DWORD)(&guid),0));
if (err != DS_OK) {
WARN("waveOutMessage failed; err=%lx\n",err);
*ippDS = NULL;
return err;
}
TRACE("got GUID %s for wod %d.\n", debugstr_guid(&guid), wod);
if (IsEqualGUID( &devGuid, &guid) ) {
err = DS_OK;
found = TRUE;
break;
}
}
if (err != DS_OK) {
WARN("invalid parameter\n");
*ippDS = NULL;
return DSERR_INVALIDPARAM;
}
if (found == FALSE) {
WARN("No device found matching given ID - trying with default one !\n");
wod = ds_default_playback;
}
/* DRV_QUERYDSOUNDIFACE is a "Wine extension" to get the DSound interface */
waveOutMessage((HWAVEOUT)wod, DRV_QUERYDSOUNDIFACE, (DWORD)&drv, 0);
/* Disable the direct sound driver to force emulation if requested. */
if (ds_hw_accel == DS_HW_ACCEL_EMULATION)
drv = NULL;
/* Allocate memory */
*ippDS = (IDirectSoundImpl*)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirectSoundImpl));
if (*ippDS == NULL) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
(*ippDS)->lpVtbl = &dsvt;
(*ippDS)->ref = 1;
(*ippDS)->driver = drv;
(*ippDS)->priolevel = DSSCL_NORMAL;
(*ippDS)->fraglen = 0;
(*ippDS)->hwbuf = NULL;
(*ippDS)->buffer = NULL;
(*ippDS)->buflen = 0;
(*ippDS)->writelead = 0;
(*ippDS)->state = STATE_STOPPED;
(*ippDS)->nrofbuffers = 0;
(*ippDS)->buffers = NULL;
(*ippDS)->primary = NULL;
/* 3D listener initial parameters */
(*ippDS)->listener = NULL;
(*ippDS)->ds3dl.dwSize = sizeof(DS3DLISTENER);
(*ippDS)->ds3dl.vPosition.u1.x = 0.0;
(*ippDS)->ds3dl.vPosition.u2.y = 0.0;
(*ippDS)->ds3dl.vPosition.u3.z = 0.0;
(*ippDS)->ds3dl.vVelocity.u1.x = 0.0;
(*ippDS)->ds3dl.vVelocity.u2.y = 0.0;
(*ippDS)->ds3dl.vVelocity.u3.z = 0.0;
(*ippDS)->ds3dl.vOrientFront.u1.x = 0.0;
(*ippDS)->ds3dl.vOrientFront.u2.y = 0.0;
(*ippDS)->ds3dl.vOrientFront.u3.z = 1.0;
(*ippDS)->ds3dl.vOrientTop.u1.x = 0.0;
(*ippDS)->ds3dl.vOrientTop.u2.y = 1.0;
(*ippDS)->ds3dl.vOrientTop.u3.z = 0.0;
(*ippDS)->ds3dl.flDistanceFactor = DS3D_DEFAULTDISTANCEFACTOR;
(*ippDS)->ds3dl.flRolloffFactor = DS3D_DEFAULTROLLOFFFACTOR;
(*ippDS)->ds3dl.flDopplerFactor = DS3D_DEFAULTDOPPLERFACTOR;
InitializeCriticalSection(&(*ippDS)->ds3dl_lock);
(*ippDS)->prebuf = ds_snd_queue_max;
(*ippDS)->guid = devGuid;
/* Get driver description */
if (drv) {
err = IDsDriver_GetDriverDesc(drv,&((*ippDS)->drvdesc));
if (err != DS_OK) {
WARN("IDsDriver_GetDriverDesc failed\n");
HeapFree(GetProcessHeap(),0,*ippDS);
*ippDS = NULL;
return err;
}
} else {
/* if no DirectSound interface available, use WINMM API instead */
(*ippDS)->drvdesc.dwFlags = DSDDESC_DOMMSYSTEMOPEN | DSDDESC_DOMMSYSTEMSETFORMAT;
}
(*ippDS)->drvdesc.dnDevNode = wod;
/* Set default wave format (may need it for waveOutOpen) */
(*ippDS)->wfx.wFormatTag = WAVE_FORMAT_PCM;
/* We rely on the sound driver to return the actual sound format of
* the device if it does not support 22050x8x2 and is given the
* WAVE_DIRECTSOUND flag.
*/
(*ippDS)->wfx.nSamplesPerSec = 22050;
(*ippDS)->wfx.wBitsPerSample = 8;
(*ippDS)->wfx.nChannels = 2;
(*ippDS)->wfx.nBlockAlign = (*ippDS)->wfx.wBitsPerSample * (*ippDS)->wfx.nChannels / 8;
(*ippDS)->wfx.nAvgBytesPerSec = (*ippDS)->wfx.nSamplesPerSec * (*ippDS)->wfx.nBlockAlign;
(*ippDS)->wfx.cbSize = 0;
/* If the driver requests being opened through MMSYSTEM
* (which is recommended by the DDK), it is supposed to happen
* before the DirectSound interface is opened */
if ((*ippDS)->drvdesc.dwFlags & DSDDESC_DOMMSYSTEMOPEN)
{
DWORD flags = CALLBACK_FUNCTION;
/* disable direct sound if requested */
if (ds_hw_accel != DS_HW_ACCEL_EMULATION)
flags |= WAVE_DIRECTSOUND;
err = mmErr(waveOutOpen(&((*ippDS)->hwo),
(*ippDS)->drvdesc.dnDevNode, &((*ippDS)->wfx),
(DWORD)DSOUND_callback, (DWORD)(*ippDS),
flags));
if (err != DS_OK) {
WARN("waveOutOpen failed\n");
HeapFree(GetProcessHeap(),0,*ippDS);
*ippDS = NULL;
return err;
}
}
if (drv) {
err = IDsDriver_Open(drv);
if (err != DS_OK) {
WARN("IDsDriver_Open failed\n");
HeapFree(GetProcessHeap(),0,*ippDS);
*ippDS = NULL;
return err;
}
/* the driver is now open, so it's now allowed to call GetCaps */
err = IDsDriver_GetCaps(drv,&((*ippDS)->drvcaps));
if (err != DS_OK) {
WARN("IDsDriver_GetCaps failed\n");
HeapFree(GetProcessHeap(),0,*ippDS);
*ippDS = NULL;
return err;
}
} else {
WAVEOUTCAPSA woc;
err = mmErr(waveOutGetDevCapsA((*ippDS)->drvdesc.dnDevNode, &woc, sizeof(woc)));
if (err != DS_OK) {
WARN("waveOutGetDevCaps failed\n");
HeapFree(GetProcessHeap(),0,*ippDS);
*ippDS = NULL;
return err;
}
(*ippDS)->drvcaps.dwFlags = 0;
if ((woc.dwFormats & WAVE_FORMAT_1M08) ||
(woc.dwFormats & WAVE_FORMAT_2M08) ||
(woc.dwFormats & WAVE_FORMAT_4M08) ||
(woc.dwFormats & WAVE_FORMAT_48M08) ||
(woc.dwFormats & WAVE_FORMAT_96M08)) {
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT;
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARYMONO;
}
if ((woc.dwFormats & WAVE_FORMAT_1M16) ||
(woc.dwFormats & WAVE_FORMAT_2M16) ||
(woc.dwFormats & WAVE_FORMAT_4M16) ||
(woc.dwFormats & WAVE_FORMAT_48M16) ||
(woc.dwFormats & WAVE_FORMAT_96M16)) {
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT;
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARYMONO;
}
if ((woc.dwFormats & WAVE_FORMAT_1S08) ||
(woc.dwFormats & WAVE_FORMAT_2S08) ||
(woc.dwFormats & WAVE_FORMAT_4S08) ||
(woc.dwFormats & WAVE_FORMAT_48S08) ||
(woc.dwFormats & WAVE_FORMAT_96S08)) {
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARY8BIT;
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARYSTEREO;
}
if ((woc.dwFormats & WAVE_FORMAT_1S16) ||
(woc.dwFormats & WAVE_FORMAT_2S16) ||
(woc.dwFormats & WAVE_FORMAT_4S16) ||
(woc.dwFormats & WAVE_FORMAT_48S16) ||
(woc.dwFormats & WAVE_FORMAT_96S16)) {
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARY16BIT;
(*ippDS)->drvcaps.dwFlags |= DSCAPS_PRIMARYSTEREO;
}
if (ds_emuldriver)
(*ippDS)->drvcaps.dwFlags |= DSCAPS_EMULDRIVER;
}
DSOUND_RecalcVolPan(&((*ippDS)->volpan));
InitializeCriticalSection(&((*ippDS)->mixlock));
RtlInitializeResource(&((*ippDS)->lock));
if (!dsound) {
HRESULT hres;
dsound = (*ippDS);
hres = DSOUND_PrimaryCreate(dsound);
if (hres != DS_OK) {
WARN("DSOUND_PrimaryCreate failed\n");
return hres;
}
timeBeginPeriod(DS_TIME_RES);
dsound->timerID = timeSetEvent(DS_TIME_DEL, DS_TIME_RES, DSOUND_timer,
(DWORD)dsound, TIME_PERIODIC | TIME_CALLBACK_FUNCTION);
}
/* create a user accessable primary buffer */
(*ippDS)->dsbd.dwSize = sizeof((*ippDS)->dsbd);
err = PrimaryBuffer_Create((*ippDS), (PrimaryBufferImpl**)&((*ippDS)->primary), &((*ippDS)->dsbd));
if ((*ippDS)->primary)
IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER8)(*ippDS)->primary);
return err;
}
/*******************************************************************************
* DirectSound ClassFactory
*/
typedef struct
{
/* IUnknown fields */
ICOM_VFIELD(IClassFactory);
DWORD ref;
} IClassFactoryImpl;
static HRESULT WINAPI
DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
ICOM_THIS(IClassFactoryImpl,iface);
FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI
DSCF_AddRef(LPCLASSFACTORY iface) {
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p) ref was %ld\n", This, This->ref);
return ++(This->ref);
}
static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
ICOM_THIS(IClassFactoryImpl,iface);
/* static class, won't be freed */
TRACE("(%p) ref was %ld\n", This, This->ref);
return --(This->ref);
}
static HRESULT WINAPI DSCF_CreateInstance(
LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
) {
ICOM_THIS(IClassFactoryImpl,iface);
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
if ( IsEqualGUID( &IID_IDirectSound, riid ) ||
IsEqualGUID( &IID_IDirectSound8, riid ) ) {
/* FIXME: reuse already created dsound if present? */
return DirectSoundCreate8(0,(LPDIRECTSOUND8*)ppobj,pOuter);
}
if ( IsEqualGUID( &IID_IDirectSoundCapture, riid ) ||
IsEqualGUID( &IID_IDirectSoundCapture8, riid ) ) {
return DirectSoundCaptureCreate8(0,(LPDIRECTSOUNDCAPTURE8*)ppobj,pOuter);
}
if ( IsEqualGUID( &IID_IKsPropertySet, riid ) ) {
return IKsPropertySetImpl_Create(0,(IKsPropertySetImpl**)ppobj);
}
FIXME("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
ICOM_THIS(IClassFactoryImpl,iface);
FIXME("(%p)->(%d),stub!\n",This,dolock);
return S_OK;
}
static ICOM_VTABLE(IClassFactory) DSCF_Vtbl = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
static IClassFactoryImpl DSOUND_CF = {&DSCF_Vtbl, 1 };
/*******************************************************************************
* DllGetClassObject [DSOUND.5]
* Retrieves class object from a DLL object
*
* NOTES
* Docs say returns STDAPI
*
* PARAMS
* rclsid [I] CLSID for the class object
* riid [I] Reference to identifier of interface for class object
* ppv [O] Address of variable to receive interface pointer for riid
*
* RETURNS
* Success: S_OK
* Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
* E_UNEXPECTED
*/
DWORD WINAPI DSOUND_DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID *ppv)
{
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
*ppv = (LPVOID)&DSOUND_CF;
IClassFactory_AddRef((IClassFactory*)*ppv);
return S_OK;
}
FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
return CLASS_E_CLASSNOTAVAILABLE;
}
/*******************************************************************************
* DllCanUnloadNow [DSOUND.4]
* Determines whether the DLL is in use.
*
* RETURNS
* Success: S_OK
* Failure: S_FALSE
*/
DWORD WINAPI DSOUND_DllCanUnloadNow(void)
{
FIXME("(void): stub\n");
return S_FALSE;
}
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