#include <windows.h>#include "iasiodrv.h"#include "asiolist.h" #define ASIODRV_DESC "description"#define INPROC_SERVER "InprocServer32"#define ASIO_PATH "software\\asio"#define COM_CLSID "clsid" // ******************************************************************// Local Functions // ******************************************************************static LONG findDrvPath (char *clsidstr,char *dllpath,int dllpathsize){ HKEY hkEnum,hksub,hkpath; char databuf[512]; LONG cr,rc = -1; DWORD datatype,datasize; DWORD index; OFSTRUCT ofs; HFILE hfile; BOOL found = FALSE; #ifdef UNICODE CharLowerBuffA(clsidstr,strlen(clsidstr)); if ((cr = RegOpenKeyA(HKEY_CLASSES_ROOT,COM_CLSID,&hkEnum)) == ERROR_SUCCESS) { index = 0; while (cr == ERROR_SUCCESS && !found) { cr = RegEnumKeyA(hkEnum,index++,databuf,512); if (cr == ERROR_SUCCESS) { CharLowerBuffA(databuf,strlen(databuf)); if (!(strcmp(databuf,clsidstr))) { if ((cr = RegOpenKeyExA(hkEnum,databuf,0,KEY_READ,&hksub)) == ERROR_SUCCESS) { if ((cr = RegOpenKeyExA(hksub,INPROC_SERVER,0,KEY_READ,&hkpath)) == ERROR_SUCCESS) { datatype = REG_SZ; datasize = (DWORD)dllpathsize; cr = RegQueryValueEx(hkpath,0,0,&datatype,(LPBYTE)dllpath,&datasize); if (cr == ERROR_SUCCESS) { memset(&ofs,0,sizeof(OFSTRUCT)); ofs.cBytes = sizeof(OFSTRUCT); hfile = OpenFile(dllpath,&ofs,OF_EXIST); if (hfile) rc = 0; } RegCloseKey(hkpath); } RegCloseKey(hksub); } found = TRUE; // break out } } } RegCloseKey(hkEnum); }#else CharLowerBuff(clsidstr,strlen(clsidstr)); if ((cr = RegOpenKey(HKEY_CLASSES_ROOT,COM_CLSID,&hkEnum)) == ERROR_SUCCESS) { index = 0; while (cr == ERROR_SUCCESS && !found) { cr = RegEnumKey(hkEnum,index++,databuf,512); if (cr == ERROR_SUCCESS) { CharLowerBuff(databuf,strlen(databuf)); if (!(strcmp(databuf,clsidstr))) { if ((cr = RegOpenKeyEx(hkEnum,databuf,0,KEY_READ,&hksub)) == ERROR_SUCCESS) { if ((cr = RegOpenKeyEx(hksub,INPROC_SERVER,0,KEY_READ,&hkpath)) == ERROR_SUCCESS) { datatype = REG_SZ; datasize = (DWORD)dllpathsize; cr = RegQueryValueEx(hkpath,0,0,&datatype,(LPBYTE)dllpath,&datasize); if (cr == ERROR_SUCCESS) { memset(&ofs,0,sizeof(OFSTRUCT)); ofs.cBytes = sizeof(OFSTRUCT); hfile = OpenFile(dllpath,&ofs,OF_EXIST); if (hfile) rc = 0; } RegCloseKey(hkpath); } RegCloseKey(hksub); } found = TRUE; // break out } } } RegCloseKey(hkEnum); }#endif return rc;} static LPASIODRVSTRUCT newDrvStruct (HKEY hkey,char *keyname,int drvID,LPASIODRVSTRUCT lpdrv){ HKEY hksub; char databuf[256]; char dllpath[MAXPATHLEN]; WORD wData[100]; CLSID clsid; DWORD datatype,datasize; LONG cr,rc; if (!lpdrv) { if ((cr = RegOpenKeyExA(hkey,keyname,0,KEY_READ,&hksub)) == ERROR_SUCCESS) { datatype = REG_SZ; datasize = 256; cr = RegQueryValueExA(hksub,COM_CLSID,0,&datatype,(LPBYTE)databuf,&datasize); if (cr == ERROR_SUCCESS) { rc = findDrvPath (databuf,dllpath,MAXPATHLEN); if (rc == 0) { lpdrv = new ASIODRVSTRUCT[1]; if (lpdrv) { memset(lpdrv,0,sizeof(ASIODRVSTRUCT)); lpdrv->drvID = drvID; MultiByteToWideChar(CP_ACP,0,(LPCSTR)databuf,-1,(LPWSTR)wData,100); if ((cr = CLSIDFromString((LPOLESTR)wData,(LPCLSID)&clsid)) == S_OK) { memcpy(&lpdrv->clsid,&clsid,sizeof(CLSID)); } datatype = REG_SZ; datasize = 256; cr = RegQueryValueExA(hksub,ASIODRV_DESC,0,&datatype,(LPBYTE)databuf,&datasize); if (cr == ERROR_SUCCESS) { strcpy(lpdrv->drvname,databuf); } else strcpy(lpdrv->drvname,keyname); } } } RegCloseKey(hksub); } } else lpdrv->next = newDrvStruct(hkey,keyname,drvID+1,lpdrv->next); return lpdrv;} static void deleteDrvStruct (LPASIODRVSTRUCT lpdrv){ IASIO *iasio; if (lpdrv != 0) { deleteDrvStruct(lpdrv->next); if (lpdrv->asiodrv) { iasio = (IASIO *)lpdrv->asiodrv; iasio->Release(); } delete lpdrv; }} static LPASIODRVSTRUCT getDrvStruct (int drvID,LPASIODRVSTRUCT lpdrv){ while (lpdrv) { if (lpdrv->drvID == drvID) return lpdrv; lpdrv = lpdrv->next; } return 0;}// ****************************************************************** // ******************************************************************// AsioDriverList// ******************************************************************AsioDriverList::AsioDriverList (){ HKEY hkEnum = 0; char keyname[MAXDRVNAMELEN]; LPASIODRVSTRUCT pdl; LONG cr; DWORD index = 0; numdrv = 0; lpdrvlist = 0; #ifdef UNICODE cr = RegOpenKeyA(HKEY_LOCAL_MACHINE,ASIO_PATH,&hkEnum);#else cr = RegOpenKey(HKEY_LOCAL_MACHINE,ASIO_PATH,&hkEnum);#endif while (cr == ERROR_SUCCESS) {#ifdef UNICODE if ((cr = RegEnumKeyA(hkEnum,index++,keyname,MAXDRVNAMELEN))== ERROR_SUCCESS) {#else if ((cr = RegEnumKey(hkEnum,index++,keyname,MAXDRVNAMELEN))== ERROR_SUCCESS) {#endif lpdrvlist = newDrvStruct (hkEnum,keyname,0,lpdrvlist); } } if (hkEnum) RegCloseKey(hkEnum); pdl = lpdrvlist; while (pdl) { numdrv++; pdl = pdl->next; } if (numdrv) CoInitialize(0); // initialize COM} AsioDriverList::~AsioDriverList (){ if (numdrv) { deleteDrvStruct(lpdrvlist); CoUninitialize(); }} LONG AsioDriverList::asioGetNumDev (VOID){ return (LONG)numdrv;} LONG AsioDriverList::asioOpenDriver (int drvID,LPVOID *asiodrv){ LPASIODRVSTRUCT lpdrv = 0; long rc; if (!asiodrv) return DRVERR_INVALID_PARAM; if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) { if (!lpdrv->asiodrv) { rc = CoCreateInstance(lpdrv->clsid,0,CLSCTX_INPROC_SERVER,lpdrv->clsid,asiodrv); if (rc == S_OK) { lpdrv->asiodrv = *asiodrv; return 0; } // else if (rc == REGDB_E_CLASSNOTREG) // strcpy (info->messageText, "Driver not registered in the Registration Database!"); } else rc = DRVERR_DEVICE_ALREADY_OPEN; } else rc = DRVERR_DEVICE_NOT_FOUND; return rc;} LONG AsioDriverList::asioCloseDriver (int drvID){ LPASIODRVSTRUCT lpdrv = 0; IASIO *iasio; if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) { if (lpdrv->asiodrv) { iasio = (IASIO *)lpdrv->asiodrv; iasio->Release(); lpdrv->asiodrv = 0; } } return 0;} LONG AsioDriverList::asioGetDriverName (int drvID,char *drvname,int drvnamesize){ LPASIODRVSTRUCT lpdrv = 0; if (!drvname) return DRVERR_INVALID_PARAM; if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) { if (strlen(lpdrv->drvname) < (unsigned int)drvnamesize) { strcpy(drvname,lpdrv->drvname); } else { memcpy(drvname,lpdrv->drvname,drvnamesize-4); drvname[drvnamesize-4] = '.'; drvname[drvnamesize-3] = '.'; drvname[drvnamesize-2] = '.'; drvname[drvnamesize-1] = 0; } return 0; } return DRVERR_DEVICE_NOT_FOUND;} LONG AsioDriverList::asioGetDriverPath (int drvID,char *dllpath,int dllpathsize){ LPASIODRVSTRUCT lpdrv = 0; if (!dllpath) return DRVERR_INVALID_PARAM; if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) { if (strlen(lpdrv->dllpath) < (unsigned int)dllpathsize) { strcpy(dllpath,lpdrv->dllpath); return 0; } dllpath[0] = 0; return DRVERR_INVALID_PARAM; } return DRVERR_DEVICE_NOT_FOUND;} LONG AsioDriverList::asioGetDriverCLSID (int drvID,CLSID *clsid){ LPASIODRVSTRUCT lpdrv = 0; if (!clsid) return DRVERR_INVALID_PARAM; if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) { memcpy(clsid,&lpdrv->clsid,sizeof(CLSID)); return 0; } return DRVERR_DEVICE_NOT_FOUND;}
#include <windows.h>
#include "iasiodrv.h"
#include "asiolist.h"
#define ASIODRV_DESC "description"
#define INPROC_SERVER "InprocServer32"
#define ASIO_PATH "software\\asio"
#define COM_CLSID "clsid"
// ******************************************************************
// Local Functions
// ******************************************************************
static LONG findDrvPath (char *clsidstr,char *dllpath,int dllpathsize)
{
HKEY hkEnum,hksub,hkpath;
char databuf[512];
LONG cr,rc = -1;
DWORD datatype,datasize;
DWORD index;
OFSTRUCT ofs;
HFILE hfile;
BOOL found = FALSE;
#ifdef UNICODE
CharLowerBuffA(clsidstr,strlen(clsidstr));
if ((cr = RegOpenKeyA(HKEY_CLASSES_ROOT,COM_CLSID,&hkEnum)) == ERROR_SUCCESS) {
index = 0;
while (cr == ERROR_SUCCESS && !found) {
cr = RegEnumKeyA(hkEnum,index++,databuf,512);
if (cr == ERROR_SUCCESS) {
CharLowerBuffA(databuf,strlen(databuf));
if (!(strcmp(databuf,clsidstr))) {
if ((cr = RegOpenKeyExA(hkEnum,databuf,0,KEY_READ,&hksub)) == ERROR_SUCCESS) {
if ((cr = RegOpenKeyExA(hksub,INPROC_SERVER,0,KEY_READ,&hkpath)) == ERROR_SUCCESS) {
datatype = REG_SZ; datasize = (DWORD)dllpathsize;
cr = RegQueryValueEx(hkpath,0,0,&datatype,(LPBYTE)dllpath,&datasize);
if (cr == ERROR_SUCCESS) {
memset(&ofs,0,sizeof(OFSTRUCT));
ofs.cBytes = sizeof(OFSTRUCT);
hfile = OpenFile(dllpath,&ofs,OF_EXIST);
if (hfile) rc = 0;
}
RegCloseKey(hkpath);
}
RegCloseKey(hksub);
}
found = TRUE; // break out
}
}
}
RegCloseKey(hkEnum);
}
#else
CharLowerBuff(clsidstr,strlen(clsidstr));
if ((cr = RegOpenKey(HKEY_CLASSES_ROOT,COM_CLSID,&hkEnum)) == ERROR_SUCCESS) {
index = 0;
while (cr == ERROR_SUCCESS && !found) {
cr = RegEnumKey(hkEnum,index++,databuf,512);
if (cr == ERROR_SUCCESS) {
CharLowerBuff(databuf,strlen(databuf));
if (!(strcmp(databuf,clsidstr))) {
if ((cr = RegOpenKeyEx(hkEnum,databuf,0,KEY_READ,&hksub)) == ERROR_SUCCESS) {
if ((cr = RegOpenKeyEx(hksub,INPROC_SERVER,0,KEY_READ,&hkpath)) == ERROR_SUCCESS) {
datatype = REG_SZ; datasize = (DWORD)dllpathsize;
cr = RegQueryValueEx(hkpath,0,0,&datatype,(LPBYTE)dllpath,&datasize);
if (cr == ERROR_SUCCESS) {
memset(&ofs,0,sizeof(OFSTRUCT));
ofs.cBytes = sizeof(OFSTRUCT);
hfile = OpenFile(dllpath,&ofs,OF_EXIST);
if (hfile) rc = 0;
}
RegCloseKey(hkpath);
}
RegCloseKey(hksub);
}
found = TRUE; // break out
}
}
}
RegCloseKey(hkEnum);
}
#endif
return rc;
}
static LPASIODRVSTRUCT newDrvStruct (HKEY hkey,char *keyname,int drvID,LPASIODRVSTRUCT lpdrv)
{
HKEY hksub;
char databuf[256];
char dllpath[MAXPATHLEN];
WORD wData[100];
CLSID clsid;
DWORD datatype,datasize;
LONG cr,rc;
if (!lpdrv) {
if ((cr = RegOpenKeyExA(hkey,keyname,0,KEY_READ,&hksub)) == ERROR_SUCCESS) {
datatype = REG_SZ; datasize = 256;
cr = RegQueryValueExA(hksub,COM_CLSID,0,&datatype,(LPBYTE)databuf,&datasize);
if (cr == ERROR_SUCCESS) {
rc = findDrvPath (databuf,dllpath,MAXPATHLEN);
if (rc == 0) {
lpdrv = new ASIODRVSTRUCT[1];
if (lpdrv) {
memset(lpdrv,0,sizeof(ASIODRVSTRUCT));
lpdrv->drvID = drvID;
MultiByteToWideChar(CP_ACP,0,(LPCSTR)databuf,-1,(LPWSTR)wData,100);
if ((cr = CLSIDFromString((LPOLESTR)wData,(LPCLSID)&clsid)) == S_OK) {
memcpy(&lpdrv->clsid,&clsid,sizeof(CLSID));
}
datatype = REG_SZ; datasize = 256;
cr = RegQueryValueExA(hksub,ASIODRV_DESC,0,&datatype,(LPBYTE)databuf,&datasize);
if (cr == ERROR_SUCCESS) {
strcpy(lpdrv->drvname,databuf);
}
else strcpy(lpdrv->drvname,keyname);
}
}
}
RegCloseKey(hksub);
}
}
else lpdrv->next = newDrvStruct(hkey,keyname,drvID+1,lpdrv->next);
return lpdrv;
}
static void deleteDrvStruct (LPASIODRVSTRUCT lpdrv)
{
IASIO *iasio;
if (lpdrv != 0) {
deleteDrvStruct(lpdrv->next);
if (lpdrv->asiodrv) {
iasio = (IASIO *)lpdrv->asiodrv;
iasio->Release();
}
delete lpdrv;
}
}
static LPASIODRVSTRUCT getDrvStruct (int drvID,LPASIODRVSTRUCT lpdrv)
{
while (lpdrv) {
if (lpdrv->drvID == drvID) return lpdrv;
lpdrv = lpdrv->next;
}
return 0;
}
// ******************************************************************
// ******************************************************************
// AsioDriverList
// ******************************************************************
AsioDriverList::AsioDriverList ()
{
HKEY hkEnum = 0;
char keyname[MAXDRVNAMELEN];
LPASIODRVSTRUCT pdl;
LONG cr;
DWORD index = 0;
numdrv = 0;
lpdrvlist = 0;
#ifdef UNICODE
cr = RegOpenKeyA(HKEY_LOCAL_MACHINE,ASIO_PATH,&hkEnum);
#else
cr = RegOpenKey(HKEY_LOCAL_MACHINE,ASIO_PATH,&hkEnum);
#endif
while (cr == ERROR_SUCCESS) {
#ifdef UNICODE
if ((cr = RegEnumKeyA(hkEnum,index++,keyname,MAXDRVNAMELEN))== ERROR_SUCCESS) {
#else
if ((cr = RegEnumKey(hkEnum,index++,keyname,MAXDRVNAMELEN))== ERROR_SUCCESS) {
#endif
lpdrvlist = newDrvStruct (hkEnum,keyname,0,lpdrvlist);
}
}
if (hkEnum) RegCloseKey(hkEnum);
pdl = lpdrvlist;
while (pdl) {
numdrv++;
pdl = pdl->next;
}
if (numdrv) CoInitialize(0); // initialize COM
}
AsioDriverList::~AsioDriverList ()
{
if (numdrv) {
deleteDrvStruct(lpdrvlist);
CoUninitialize();
}
}
LONG AsioDriverList::asioGetNumDev (VOID)
{
return (LONG)numdrv;
}
LONG AsioDriverList::asioOpenDriver (int drvID,LPVOID *asiodrv)
{
LPASIODRVSTRUCT lpdrv = 0;
long rc;
if (!asiodrv) return DRVERR_INVALID_PARAM;
if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) {
if (!lpdrv->asiodrv) {
rc = CoCreateInstance(lpdrv->clsid,0,CLSCTX_INPROC_SERVER,lpdrv->clsid,asiodrv);
if (rc == S_OK) {
lpdrv->asiodrv = *asiodrv;
return 0;
}
// else if (rc == REGDB_E_CLASSNOTREG)
// strcpy (info->messageText, "Driver not registered in the Registration Database!");
}
else rc = DRVERR_DEVICE_ALREADY_OPEN;
}
else rc = DRVERR_DEVICE_NOT_FOUND;
return rc;
}
LONG AsioDriverList::asioCloseDriver (int drvID)
{
LPASIODRVSTRUCT lpdrv = 0;
IASIO *iasio;
if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) {
if (lpdrv->asiodrv) {
iasio = (IASIO *)lpdrv->asiodrv;
iasio->Release();
lpdrv->asiodrv = 0;
}
}
return 0;
}
LONG AsioDriverList::asioGetDriverName (int drvID,char *drvname,int drvnamesize)
{
LPASIODRVSTRUCT lpdrv = 0;
if (!drvname) return DRVERR_INVALID_PARAM;
if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) {
if (strlen(lpdrv->drvname) < (unsigned int)drvnamesize) {
strcpy(drvname,lpdrv->drvname);
}
else {
memcpy(drvname,lpdrv->drvname,drvnamesize-4);
drvname[drvnamesize-4] = '.';
drvname[drvnamesize-3] = '.';
drvname[drvnamesize-2] = '.';
drvname[drvnamesize-1] = 0;
}
return 0;
}
return DRVERR_DEVICE_NOT_FOUND;
}
LONG AsioDriverList::asioGetDriverPath (int drvID,char *dllpath,int dllpathsize)
{
LPASIODRVSTRUCT lpdrv = 0;
if (!dllpath) return DRVERR_INVALID_PARAM;
if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) {
if (strlen(lpdrv->dllpath) < (unsigned int)dllpathsize) {
strcpy(dllpath,lpdrv->dllpath);
return 0;
}
dllpath[0] = 0;
return DRVERR_INVALID_PARAM;
}
return DRVERR_DEVICE_NOT_FOUND;
}
LONG AsioDriverList::asioGetDriverCLSID (int drvID,CLSID *clsid)
{
LPASIODRVSTRUCT lpdrv = 0;
if (!clsid) return DRVERR_INVALID_PARAM;
if ((lpdrv = getDrvStruct(drvID,lpdrvlist)) != 0) {
memcpy(clsid,&lpdrv->clsid,sizeof(CLSID));
return 0;
}
return DRVERR_DEVICE_NOT_FOUND;
}