reactos/dll/directx/dsound_new/devicelist.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Configuration of network devices
* FILE: dll/directx/dsound_new/devicelist.c
* PURPOSE: Enumeration of audio devices
*
* PROGRAMMERS: Johannes Anderwald (janderwald@reactos.org)
*/
#include "precomp.h"
ULONG
GetPinIdFromFilter(
LPFILTERINFO Filter,
BOOL bCapture,
ULONG Offset)
{
ULONG Index;
for(Index = Offset; Index < Filter->PinCount; Index++)
{
if (Filter->Pin[Index] == PIN_TYPE_PLAYBACK && !bCapture)
return Index;
if (Filter->Pin[Index] == PIN_TYPE_RECORDING && bCapture)
return Index;
}
return ULONG_MAX;
}
DWORD
OpenDeviceList(
IN LPGUID InterfaceGuid,
OUT HDEVINFO * OutHandle)
{
HDEVINFO DeviceHandle;
DeviceHandle = SetupDiGetClassDevs(InterfaceGuid,
NULL,
NULL,
DIGCF_DEVICEINTERFACE); //DIGCF_PRESENT
/* check for success */
if (DeviceHandle == INVALID_HANDLE_VALUE)
{
/* failed to create device list */
return GetLastError();
}
/* store result */
*OutHandle = DeviceHandle;
return ERROR_SUCCESS;
}
BOOL
CloseDeviceList(
HDEVINFO Handle)
{
return SetupDiDestroyDeviceInfoList(Handle);
}
BOOL
GetDeviceListInterfaces(
HDEVINFO DeviceHandle,
IN LPGUID InterfaceGuid,
LPFILTERINFO *OutPath)
{
ULONG Length, Index = 0;
SP_DEVICE_INTERFACE_DATA InterfaceData;
PSP_DEVICE_INTERFACE_DETAIL_DATA_W DetailData;
SP_DEVINFO_DATA DeviceData;
LPFILTERINFO LastDevice = NULL, RootDevice = NULL, CurDevice;
BOOL Result;
do
{
InterfaceData.cbSize = sizeof(InterfaceData);
InterfaceData.Reserved = 0;
/* query device interface */
Result = SetupDiEnumDeviceInterfaces(DeviceHandle,
NULL,
InterfaceGuid,
Index,
&InterfaceData);
if (!Result)
{
/* failed */
DPRINT("SetupDiEnumDeviceInterfaces Index %u failed with %lx\n", Index, GetLastError());
break;
}
/* allocate device interface struct */
Length = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W) + MAX_PATH * sizeof(WCHAR);
DetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA_W)HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
Length);
if (!DetailData)
{
/* insufficient memory */
break;
}
/* initialize device interface detail struct */
DetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W);
DeviceData.cbSize = sizeof(DeviceData);
DeviceData.Reserved = 0;
Result = SetupDiGetDeviceInterfaceDetailW(DeviceHandle,
&InterfaceData,
DetailData,
Length,
NULL,
&DeviceData);
if (!Result)
{
/* failed */
DPRINT("SetupDiGetDeviceInterfaceDetail failed with %x\n", GetLastError());
HeapFree(GetProcessHeap(), 0, DetailData);
break;
}
/* allocate device path struct */
CurDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(FILTERINFO));
if (!CurDevice)
{
/* no memory */
HeapFree(GetProcessHeap(), 0, DetailData);
break;
}
/* store device path */
CopyMemory(&CurDevice->DeviceData, &DeviceData, sizeof(SP_DEVINFO_DATA));
wcscpy(CurDevice->DevicePath, DetailData->DevicePath);
CurDevice->MappedId[0] = ULONG_MAX;
CurDevice->MappedId[1] = ULONG_MAX;
DPRINT("DevicePath %S\n", CurDevice->DevicePath);
if (!RootDevice)
RootDevice = CurDevice;
if (LastDevice)
{
LastDevice->lpNext = CurDevice;
}
/* set as last device */
LastDevice = CurDevice;
/* free device interface struct */
HeapFree(GetProcessHeap(), 0, DetailData);
/* increment device interface index */
Index++;
}while(TRUE);
/* store result */
*OutPath = RootDevice;
if (!RootDevice)
return FALSE;
return TRUE;
}
DWORD
OpenDeviceKey(
HDEVINFO Handle,
PSP_DEVINFO_DATA FILTERINFOData,
DWORD KeyType,
REGSAM DesiredAccess,
OUT HKEY * OutKey)
{
HKEY hKey;
/* try open device registry key */
hKey = SetupDiOpenDevRegKey(Handle, FILTERINFOData, DICS_FLAG_CONFIGSPECIFIC, 0, KeyType, DesiredAccess);
if (hKey == INVALID_HANDLE_VALUE)
return GetLastError();
/* store result */
*OutKey = hKey;
return ERROR_SUCCESS;
}
VOID
FindAudioFilterPins(
LPFILTERINFO CurInfo,
OUT PULONG WaveInPins,
OUT PULONG WaveOutPins)
{
ULONG Index;
KSPIN_COMMUNICATION Communication;
KSPIN_DATAFLOW DataFlow;
*WaveInPins = 0;
*WaveOutPins = 0;
/* traverse all pins */
for(Index = 0; Index < CurInfo->PinCount; Index++)
{
if (GetFilterPinCommunication(CurInfo->hFilter, Index, &Communication) == ERROR_SUCCESS &&
GetFilterPinDataFlow(CurInfo->hFilter, Index, &DataFlow) == ERROR_SUCCESS)
{
if (Communication == KSPIN_COMMUNICATION_SINK && DataFlow == KSPIN_DATAFLOW_IN)
{
/* found a wave out device */
CurInfo->Pin[Index] = PIN_TYPE_PLAYBACK;
(*WaveOutPins)++;
}
else if (Communication == KSPIN_COMMUNICATION_SINK && DataFlow == KSPIN_DATAFLOW_OUT)
{
/* found a wave in device */
CurInfo->Pin[Index] = PIN_TYPE_RECORDING;
(*WaveInPins)++;
}
else
{
/* bridge pin / topology pin etc */
CurInfo->Pin[Index] = PIN_TYPE_NONE;
}
}
else
{
/* bridge pin / topology pin etc */
CurInfo->Pin[Index] = PIN_TYPE_NONE;
}
}
}
BOOL
FindWinMMDeviceIndex(
LPFILTERINFO CurInfo,
BOOL bRecord)
{
ULONG DeviceCount, Index;
WCHAR Buffer[MAX_PATH];
DWORD Size, dwResult;
if (bRecord)
DeviceCount = waveInGetNumDevs();
else
DeviceCount = waveOutGetNumDevs();
/* sanity check */
//ASSERT(DeviceCount);
for(Index = 0; Index < DeviceCount; Index++)
{
Size = 0;
/* query device interface size */
if (bRecord)
dwResult = waveInMessage(UlongToHandle(Index), DRV_QUERYDEVICEINTERFACESIZE, (DWORD_PTR)&Size, 0);
else
dwResult = waveOutMessage(UlongToHandle(Index), DRV_QUERYDEVICEINTERFACESIZE, (DWORD_PTR)&Size, 0);
if (dwResult != MMSYSERR_NOERROR)
{
DPRINT("Failed DRV_QUERYDEVICEINTERFACESIZE with %lx bRecord %u Index %u\n", dwResult, bRecord, Index);
continue;
}
/* sanity check */
ASSERT(Size < MAX_PATH);
/* now get the device interface string */
if (bRecord)
dwResult = waveInMessage(UlongToHandle(Index), DRV_QUERYDEVICEINTERFACE, (DWORD_PTR)Buffer, MAX_PATH);
else
dwResult = waveOutMessage(UlongToHandle(Index), DRV_QUERYDEVICEINTERFACE, (DWORD_PTR)Buffer, MAX_PATH);
if (dwResult != MMSYSERR_NOERROR)
{
DPRINT("Failed DRV_QUERYDEVICEINTERFACE with %lx bRecord %u Index %u\n", dwResult, bRecord, Index);
continue;
}
if (!wcsicmp(CurInfo->DevicePath, Buffer))
{
if (bRecord)
CurInfo->MappedId[0] = Index;
else
CurInfo->MappedId[1] = Index;
return TRUE;
}
}
DPRINT1("Failed to find device %ws bRecord %u Count %u\n", CurInfo->DevicePath, bRecord, DeviceCount);
// HACK
if (bRecord)
CurInfo->MappedId[0] = 0;
else
CurInfo->MappedId[1] = 0;
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;
}
HRESULT
EnumAudioDeviceInterfaces(
LPFILTERINFO *OutRootInfo)
{
HDEVINFO hList;
DWORD Status;
HRESULT hResult;
ULONG WaveOutCount, WaveInCount;
GUID AudioDeviceGuid = {STATIC_KSCATEGORY_AUDIO};
LPFILTERINFO CurInfo;
/* try open the device list */
Status = OpenDeviceList(&AudioDeviceGuid, &hList);
if (Status != ERROR_SUCCESS)
{
DPRINT1("OpenDeviceList failed with %lx\n", Status);
return E_FAIL;
}
if (!GetDeviceListInterfaces(hList, &AudioDeviceGuid, OutRootInfo))
{
DPRINT1("No devices found\n");
CloseDeviceList(hList);
return S_FALSE;
}
/* sanity check */
ASSERT(*OutRootInfo);
CurInfo = *OutRootInfo;
WaveOutCount = 0;
WaveInCount = 0;
/* now check all audio filters */
while(CurInfo)
{
/* now check details of the audio filter */
hResult = EnumerateAudioFilter(CurInfo, &WaveInCount, &WaveOutCount);
if (hResult != S_OK)
{
DPRINT1("EnumerateAudioFilter failed with %lx\n", Status);
break;
}
/* move to next filter */
CurInfo = CurInfo->lpNext;
}
/* close device list */
CloseDeviceList(hList);
/* done */
return hResult;
}
BOOL
FindDeviceByMappedId(
IN ULONG DeviceID,
LPFILTERINFO *Filter,
BOOL bPlayback)
{
LPFILTERINFO CurInfo;
if (!RootInfo)
return FALSE;
/* get first entry */
CurInfo = RootInfo;
while(CurInfo)
{
if ((bPlayback && CurInfo->MappedId[1] == DeviceID) ||
(!bPlayback && CurInfo->MappedId[0] == DeviceID))
{
/* found filter */
*Filter = CurInfo;
return TRUE;
}
CurInfo = CurInfo->lpNext;
}
return FALSE;
}
BOOL
FindDeviceByGuid(
LPCGUID pGuidSrc,
LPFILTERINFO *Filter)
{
LPFILTERINFO CurInfo;
if (!RootInfo)
return FALSE;
/* get first entry */
CurInfo = RootInfo;
while(CurInfo)
{
if (IsEqualGUID(&CurInfo->DeviceGuid[0], pGuidSrc) ||
IsEqualGUID(&CurInfo->DeviceGuid[1], pGuidSrc))
{
/* found filter */
*Filter = CurInfo;
return TRUE;
}
CurInfo = CurInfo->lpNext;
}
return FALSE;
}