/***********************************************************************
* 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);
}
instance = hInstDLL;
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;
}
HRESULT
EnumerateAudioFilter(
LPFILTERINFO CurInfo,
OUT PULONG WaveInCount,
OUT PULONG WaveOutCount)
{
DWORD Status;
ULONG PinCount, WaveInPins, WaveOutPins;
/* first step open filter */
Status = OpenFilter((LPCWSTR)CurInfo->DevicePath, &CurInfo->hFilter);
if (Status != ERROR_SUCCESS)
{
DPRINT("Failed to open filter with %lx Path %ws\n", Status, CurInfo->DevicePath);
return E_FAIL;
}
/* get filter pin count */
Status = GetFilterPinCount(CurInfo->hFilter, &PinCount);
if (Status != ERROR_SUCCESS)
{
DPRINT("Failed to get pin count with %lx\n", Status);
return E_FAIL;
}
/* sanity check */
ASSERT(PinCount);
/* store pin count */
CurInfo->PinCount = PinCount;
/* now allocate an pin array */
CurInfo->Pin = HeapAlloc(GetProcessHeap(), 0, PinCount * sizeof(ULONG));
if (!CurInfo->Pin)
{
/* no memory */
return E_FAIL;
}
/* no try to find playback / recording pins */
FindAudioFilterPins(CurInfo, &WaveInPins, &WaveOutPins);
DPRINT("WaveInPins %u WaveOutPins %u %S\n", WaveInPins, WaveOutPins, CurInfo->DevicePath);
if (WaveOutPins)
{
/* create a unique guid for this playback device */
if (FindWinMMDeviceIndex(CurInfo, TRUE))
{
(*WaveOutCount)++;
INIT_GUID(CurInfo->DeviceGuid[0], 0xbd6dd71a, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + *WaveInCount);
}
}
if (WaveInPins)
{
if (FindWinMMDeviceIndex(CurInfo, FALSE))
{
/* create a unique guid for this record device */
(*WaveInCount)++;
INIT_GUID(CurInfo->DeviceGuid[1], 0xbd6dd71b, 0x3deb, 0x11d1, 0xb1, 0x71, 0x00, 0xc0, 0x4f, 0xc2, 0x00, 0x00 + *WaveOutCount);
}
}
return S_OK;
}
