diff options
Diffstat (limited to 'src/deps/rtaudio-mod/include/asiolist.cpp')
| -rw-r--r-- | src/deps/rtaudio-mod/include/asiolist.cpp | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/deps/rtaudio-mod/include/asiolist.cpp b/src/deps/rtaudio-mod/include/asiolist.cpp new file mode 100644 index 0000000..e4c73c2 --- /dev/null +++ b/src/deps/rtaudio-mod/include/asiolist.cpp @@ -0,0 +1,308 @@ +#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; + BOOL fin = FALSE; + + 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); + } + else fin = TRUE; + } + 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; +} + + |