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wine/dlls/dsound/dsound_main.c
Maarten Lankhorst 2a117a2017 dsound: Add support for WAVEFORMATEXTENSIBLE format.
2007-11-07 11:48:56 +01:00

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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Most thread locking is complete. There may be a few race
* conditions still lurking.
*
* 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 for 3d buffers
* Remove DS_HEL_FRAGS and use mixer fragment length for it
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winnls.h"
#include "winreg.h"
#include "mmsystem.h"
#include "winternl.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsconf.h"
#include "ks.h"
#include "initguid.h"
#include "ksmedia.h"
#include "dsdriver.h"
#include "dsound_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
#define DS_HEL_BUFLEN 0x8000 /* HEL: The buffer length of the emulated buffer */
#define DS_SND_QUEUE_MAX 10 /* max number of fragments to prebuffer, each fragment is approximately 10 ms long */
#define DS_SND_QUEUE_MIN 6 /* If the minimum of prebuffered fragments go below this, forcibly take all locks to prevent underruns */
DirectSoundDevice* DSOUND_renderer[MAXWAVEDRIVERS];
GUID DSOUND_renderer_guids[MAXWAVEDRIVERS];
GUID DSOUND_capture_guids[MAXWAVEDRIVERS];
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 = 0;
int ds_hel_buflen = DS_HEL_BUFLEN;
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;
int ds_default_sample_rate = 44100;
int ds_default_bits_per_sample = 16;
/*
* Get a config key from either the app-specific or the default config
*/
static inline DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
char *buffer, DWORD size )
{
if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size )) return 0;
return ERROR_FILE_NOT_FOUND;
}
/*
* Setup the dsound options.
*/
void setup_dsound_options(void)
{
char buffer[MAX_PATH+16];
HKEY hkey, appkey = 0;
DWORD len;
buffer[MAX_PATH]='\0';
/* @@ Wine registry key: HKCU\Software\Wine\DirectSound */
if (RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\DirectSound", &hkey )) hkey = 0;
len = GetModuleFileNameA( 0, buffer, MAX_PATH );
if (len && len < MAX_PATH)
{
HKEY tmpkey;
/* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\DirectSound */
if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey ))
{
char *p, *appname = buffer;
if ((p = strrchr( appname, '/' ))) appname = p + 1;
if ((p = strrchr( appname, '\\' ))) appname = p + 1;
strcat( appname, "\\DirectSound" );
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, "HelBuflen", buffer, MAX_PATH ))
ds_hel_buflen = 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 (!get_config_key( hkey, appkey, "DefaultSampleRate", buffer, MAX_PATH ))
ds_default_sample_rate = atoi(buffer);
if (!get_config_key( hkey, appkey, "DefaultBitsPerSample", buffer, MAX_PATH ))
ds_default_bits_per_sample = atoi(buffer);
if (appkey) RegCloseKey( appkey );
if (hkey) RegCloseKey( hkey );
if (ds_emuldriver)
WARN("ds_emuldriver = %d (default=0)\n",ds_emuldriver);
if (ds_hel_buflen != DS_HEL_BUFLEN)
WARN("ds_hel_buflen = %d (default=%d)\n",ds_hel_buflen ,DS_HEL_BUFLEN);
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);
if (ds_default_sample_rate != 44100)
WARN("ds_default_sample_rate = %d (default=44100)\n",ds_default_sample_rate);
if (ds_default_bits_per_sample != 16)
WARN("ds_default_bits_per_sample = %d (default=16)\n",ds_default_bits_per_sample);
}
static const char * get_device_id(LPCGUID pGuid)
{
if (IsEqualGUID(&DSDEVID_DefaultPlayback, pGuid))
return "DSDEVID_DefaultPlayback";
else if (IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuid))
return "DSDEVID_DefaultVoicePlayback";
else if (IsEqualGUID(&DSDEVID_DefaultCapture, pGuid))
return "DSDEVID_DefaultCapture";
else if (IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuid))
return "DSDEVID_DefaultVoiceCapture";
return debugstr_guid(pGuid);
}
/***************************************************************************
* 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("(%s,%p)\n", get_device_id(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 ) ) {
CopyMemory(pGuidDest, &DSOUND_renderer_guids[ds_default_playback], sizeof(GUID));
TRACE("returns %s\n", get_device_id(pGuidDest));
return DS_OK;
}
if ( IsEqualGUID( &DSDEVID_DefaultCapture, pGuidSrc ) ||
IsEqualGUID( &DSDEVID_DefaultVoiceCapture, pGuidSrc ) ) {
CopyMemory(pGuidDest, &DSOUND_capture_guids[ds_default_capture], sizeof(GUID));
TRACE("returns %s\n", get_device_id(pGuidDest));
return DS_OK;
}
CopyMemory(pGuidDest, pGuidSrc, sizeof(GUID));
TRACE("returns %s\n", get_device_id(pGuidDest));
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) {
for (wod = 0; wod < devs; ++wod) {
if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod]) ) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
"Primary Sound Driver",desc.szDrvname,lpContext);
if (lpDSEnumCallback(NULL, "Primary Sound Driver", desc.szDrvname, lpContext) == FALSE)
return DS_OK;
}
}
}
}
}
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&DSOUND_renderer_guids[wod]),desc.szDesc,desc.szDrvname,lpContext);
if (lpDSEnumCallback(&DSOUND_renderer_guids[wod], 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) {
for (wod = 0; wod < devs; ++wod) {
if (IsEqualGUID( &guid, &DSOUND_renderer_guids[wod] ) ) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(NULL,\"%s\",\"%s\",%p)\n",
"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(NULL, wDesc, wName, lpContext) == FALSE)
return DS_OK;
}
}
}
}
}
for (wod = 0; wod < devs; ++wod) {
err = mmErr(waveOutMessage((HWAVEOUT)wod,DRV_QUERYDSOUNDDESC,(DWORD_PTR)&desc,0));
if (err == DS_OK) {
TRACE("calling lpDSEnumCallback(%s,\"%s\",\"%s\",%p)\n",
debugstr_guid(&DSOUND_renderer_guids[wod]),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(&DSOUND_renderer_guids[wod], wDesc, wName, lpContext) == FALSE)
return DS_OK;
}
}
return DS_OK;
}
/*******************************************************************************
* DirectSound ClassFactory
*/
typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
typedef struct {
const IClassFactoryVtbl *lpVtbl;
LONG ref;
REFCLSID rclsid;
FnCreateInstance pfnCreateInstance;
} IClassFactoryImpl;
static HRESULT WINAPI
DSCF_QueryInterface(LPCLASSFACTORY iface, REFIID riid, LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
if (ppobj == NULL)
return E_POINTER;
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IClassFactory))
{
*ppobj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
*ppobj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref - 1);
return ref;
}
static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref was %d\n", This, ref + 1);
/* static class, won't be freed */
return ref;
}
static HRESULT WINAPI DSCF_CreateInstance(
LPCLASSFACTORY iface,
LPUNKNOWN pOuter,
REFIID riid,
LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
if (pOuter)
return CLASS_E_NOAGGREGATION;
if (ppobj == NULL) {
WARN("invalid parameter\n");
return DSERR_INVALIDPARAM;
}
*ppobj = NULL;
return This->pfnCreateInstance(riid, ppobj);
}
static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
FIXME("(%p, %d) stub!\n", This, dolock);
return S_OK;
}
static const IClassFactoryVtbl DSCF_Vtbl = {
DSCF_QueryInterface,
DSCF_AddRef,
DSCF_Release,
DSCF_CreateInstance,
DSCF_LockServer
};
static IClassFactoryImpl DSOUND_CF[] = {
{ &DSCF_Vtbl, 1, &CLSID_DirectSound, (FnCreateInstance)DSOUND_Create },
{ &DSCF_Vtbl, 1, &CLSID_DirectSound8, (FnCreateInstance)DSOUND_Create8 },
{ &DSCF_Vtbl, 1, &CLSID_DirectSoundCapture, (FnCreateInstance)DSOUND_CaptureCreate },
{ &DSCF_Vtbl, 1, &CLSID_DirectSoundCapture8, (FnCreateInstance)DSOUND_CaptureCreate8 },
{ &DSCF_Vtbl, 1, &CLSID_DirectSoundFullDuplex, (FnCreateInstance)DSOUND_FullDuplexCreate },
{ &DSCF_Vtbl, 1, &CLSID_DirectSoundPrivate, (FnCreateInstance)IKsPrivatePropertySetImpl_Create },
{ NULL, 0, NULL, NULL }
};
/*******************************************************************************
* DllGetClassObject [DSOUND.@]
* 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
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
int i = 0;
TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
if (ppv == NULL) {
WARN("invalid parameter\n");
return E_INVALIDARG;
}
*ppv = NULL;
if (!IsEqualIID(riid, &IID_IClassFactory) &&
!IsEqualIID(riid, &IID_IUnknown)) {
WARN("no interface for %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
while (NULL != DSOUND_CF[i].rclsid) {
if (IsEqualGUID(rclsid, DSOUND_CF[i].rclsid)) {
DSCF_AddRef((IClassFactory*) &DSOUND_CF[i]);
*ppv = &DSOUND_CF[i];
return S_OK;
}
i++;
}
WARN("(%s, %s, %p): no class 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
*/
HRESULT WINAPI DllCanUnloadNow(void)
{
FIXME("(void): stub\n");
return S_FALSE;
}
#define INIT_GUID(guid, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
guid.Data1 = l; guid.Data2 = w1; guid.Data3 = w2; \
guid.Data4[0] = b1; guid.Data4[1] = b2; guid.Data4[2] = b3; \
guid.Data4[3] = b4; guid.Data4[4] = b5; guid.Data4[5] = b6; \
guid.Data4[6] = b7; guid.Data4[7] = b8;
/***********************************************************************
* DllMain (DSOUND.init)
*/
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
int i;
TRACE("(%p %d %p)\n", hInstDLL, fdwReason, lpvReserved);
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
TRACE("DLL_PROCESS_ATTACH\n");
for (i = 0; i < MAXWAVEDRIVERS; i++) {
DSOUND_renderer[i] = NULL;
DSOUND_capture[i] = NULL;
INIT_GUID(DSOUND_renderer_guids[i], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
INIT_GUID(DSOUND_capture_guids[i], 0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + i);
}
DisableThreadLibraryCalls(hInstDLL);
/* Increase refcount on dsound by 1 */
GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, (LPCWSTR)hInstDLL, &hInstDLL);
break;
case DLL_PROCESS_DETACH:
TRACE("DLL_PROCESS_DETACH\n");
break;
default:
TRACE("UNKNOWN REASON\n");
break;
}
return TRUE;
}
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