LONG APIENTRY
DriverProc(
DWORD DriverId,
HANDLE DriverHandle,
UINT Message,
LONG Parameter1,
LONG Parameter2)
{
MMRESULT Result;
switch ( Message )
{
case DRV_LOAD :
{
SND_TRACE(L"DRV_LOAD\n");
Result = InitEntrypointMutexes();
if ( ! MMSUCCESS(Result) )
return 0L;
Result = EnumerateNt4ServiceSoundDevices(L"sndblst",
0,
FoundDevice);
if ( ! MMSUCCESS(Result) )
{
CleanupEntrypointMutexes();
UnlistAllSoundDevices();
return 0L;
}
/*
PSOUND_DEVICE snd;
GetSoundDevice(WAVE_OUT_DEVICE_TYPE, 0, &snd);
GetSoundDevice(AUX_DEVICE_TYPE, 0, &snd);
GetSoundDevice(AUX_DEVICE_TYPE, 1, &snd);
GetSoundDevice(AUX_DEVICE_TYPE, 2, &snd);
*/
SND_TRACE(L"Initialisation complete\n");
return 1L;
}
case DRV_FREE :
{
SND_TRACE(L"DRV_FREE\n");
/* TODO: Clean up the path names! */
UnlistAllSoundDevices();
CleanupEntrypointMutexes();
SND_TRACE(L"Unfreed memory blocks: %d\n",
GetMemoryAllocationCount());
return 1L;
}
case DRV_ENABLE :
case DRV_DISABLE :
{
SND_TRACE(L"DRV_ENABLE / DRV_DISABLE\n");
return 1L;
}
case DRV_OPEN :
case DRV_CLOSE :
{
SND_TRACE(L"DRV_OPEN / DRV_CLOSE\n");
return 1L;
}
case DRV_QUERYCONFIGURE :
{
SND_TRACE(L"DRV_QUERYCONFIGURE");
return 0L;
}
case DRV_CONFIGURE :
return DRVCNF_OK;
default :
SND_TRACE(L"Unhandled message %d\n", Message);
return DefDriverProc(DriverId,
DriverHandle,
Message,
Parameter1,
Parameter2);
}
}
MMRESULT
GetSoundBlasterDeviceCapabilities(
IN PSOUND_DEVICE SoundDevice,
IN DWORD DeviceId,
OUT PVOID Capabilities,
IN DWORD CapabilitiesSize)
{
MMRESULT Result;
MMDEVICE_TYPE DeviceType;
SND_ASSERT( SoundDevice );
SND_ASSERT( Capabilities );
SND_TRACE(L"Sndblst - GetSoundBlasterDeviceCapabilities\n");
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
/* Use the default method of obtaining device capabilities */
Result = GetNt4SoundDeviceCapabilities(SoundDevice,
Capabilities,
CapabilitiesSize);
if ( ! MMSUCCESS(Result) )
return Result;
/* Inject the appropriate device name */
switch ( DeviceType )
{
case WAVE_OUT_DEVICE_TYPE :
{
LPWAVEOUTCAPS WaveOutCaps = (LPWAVEOUTCAPS) Capabilities;
CopyWideString(WaveOutCaps->szPname, SBWaveOutDeviceName);
break;
}
case WAVE_IN_DEVICE_TYPE :
{
LPWAVEINCAPS WaveInCaps = (LPWAVEINCAPS) Capabilities;
CopyWideString(WaveInCaps->szPname, SBWaveInDeviceName);
break;
}
case MIDI_OUT_DEVICE_TYPE :
{
LPMIDIOUTCAPS MidiOutCaps = (LPMIDIOUTCAPS) Capabilities;
CopyWideString(MidiOutCaps->szPname, SBMidiOutDeviceName);
break;
}
case MIDI_IN_DEVICE_TYPE :
{
LPMIDIINCAPS MidiInCaps = (LPMIDIINCAPS) Capabilities;
CopyWideString(MidiInCaps->szPname, SBMidiInDeviceName);
break;
}
case AUX_DEVICE_TYPE :
{
LPAUXCAPS AuxCaps = (LPAUXCAPS) Capabilities;
CopyWideString(AuxCaps->szPname, SBAuxDeviceName);
break;
}
case MIXER_DEVICE_TYPE :
{
LPMIXERCAPS MixerCaps = (LPMIXERCAPS) Capabilities;
CopyWideString(MixerCaps->szPname, SBMixerDeviceName);
break;
}
}
return MMSYSERR_NOERROR;
}
/*
Standard MME driver entry-point for messages relating to MIDI output.
*/
DWORD
APIENTRY
modMessage(
UINT DeviceId,
UINT Message,
DWORD_PTR PrivateHandle,
DWORD_PTR Parameter1,
DWORD_PTR Parameter2)
{
MMRESULT Result = MMSYSERR_NOTSUPPORTED;
AcquireEntrypointMutex(MIDI_OUT_DEVICE_TYPE);
SND_TRACE(L"modMessage - Message type %d\n", Message);
switch ( Message )
{
case MODM_GETNUMDEVS :
{
Result = GetSoundDeviceCount(MIDI_OUT_DEVICE_TYPE);
break;
}
case MODM_GETDEVCAPS :
{
Result = MmeGetSoundDeviceCapabilities(MIDI_OUT_DEVICE_TYPE,
DeviceId,
(PVOID) Parameter1,
Parameter2);
break;
}
case DRV_QUERYDEVICEINTERFACESIZE :
{
Result = MmeGetDeviceInterfaceString(MIDI_OUT_DEVICE_TYPE, DeviceId, NULL, 0, (DWORD*)Parameter1); //FIXME DWORD_PTR
break;
}
case DRV_QUERYDEVICEINTERFACE :
{
Result = MmeGetDeviceInterfaceString(MIDI_OUT_DEVICE_TYPE, DeviceId, (LPWSTR)Parameter1, Parameter2, NULL); //FIXME DWORD_PTR
break;
}
case MODM_OPEN :
{
Result = MmeOpenDevice(MIDI_OUT_DEVICE_TYPE,
DeviceId,
(LPWAVEOPENDESC) Parameter1, /* unused */
Parameter2,
(DWORD_PTR*)PrivateHandle);
break;
}
case MODM_CLOSE :
{
Result = MmeCloseDevice(PrivateHandle);
break;
}
}
SND_TRACE(L"modMessage returning MMRESULT %d\n", Result);
ReleaseEntrypointMutex(MIDI_OUT_DEVICE_TYPE);
return Result;
}
/*
Open one of the Device sub-keys belonging to the sound driver.
NT4 only.
*/
MMRESULT
OpenSoundDeviceRegKey(
IN LPWSTR ServiceName,
IN DWORD DeviceIndex,
OUT PHKEY KeyHandle)
{
SIZE_T PathLength;
PWCHAR RegPath;
VALIDATE_MMSYS_PARAMETER( ServiceName );
VALIDATE_MMSYS_PARAMETER( KeyHandle );
/*
Work out the space required to hold the path:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
sndblst\
Parameters\
Device123\
*/
PathLength = wcslen(REG_SERVICES_KEY_NAME_U) + 1
+ wcslen(ServiceName) + 1
+ wcslen(REG_PARAMETERS_KEY_NAME_U) + 1
+ wcslen(REG_DEVICE_KEY_NAME_U)
+ GetDigitCount(DeviceIndex);
/* Allocate storage for the string */
RegPath = AllocateWideString(PathLength);
if ( ! RegPath )
{
return MMSYSERR_NOMEM;
}
/* Write the path */
wsprintf(RegPath,
L"%ls\\%ls\\%ls\\%ls%d",
REG_SERVICES_KEY_NAME_U,
ServiceName,
REG_PARAMETERS_KEY_NAME_U,
REG_DEVICE_KEY_NAME_U,
DeviceIndex);
SND_TRACE(L"Opening reg key: %wS\n", RegPath);
/* Perform the open */
if ( RegOpenKeyEx(HKEY_LOCAL_MACHINE,
RegPath,
0,
KEY_READ,
KeyHandle) != ERROR_SUCCESS )
{
/* Couldn't open the key */
SND_ERR(L"Failed to open reg key: %wS\n", RegPath);
FreeMemory(RegPath);
return MMSYSERR_ERROR;
}
FreeMemory(RegPath);
return MMSYSERR_NOERROR;
}
MMRESULT
DestroySoundDeviceInstance(
IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance)
{
MMRESULT Result;
PMMFUNCTION_TABLE FunctionTable;
PSOUND_DEVICE SoundDevice;
PVOID Handle;
SND_TRACE(L"Destroying a sound device instance\n");
VALIDATE_MMSYS_PARAMETER( IsValidSoundDeviceInstance(SoundDeviceInstance) );
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
Result = GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
/* Get the "close" routine from the function table, and validate it */
Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
SND_ASSERT( FunctionTable->Close );
if ( FunctionTable->Close == NULL )
{
/* This indicates bad practice, really! If you can open, why not close?! */
return MMSYSERR_NOTSUPPORTED;
}
/* Stop the streaming thread */
if ( SoundDeviceInstance->Thread )
{
Result = DestroySoundThread(SoundDeviceInstance->Thread);
SND_ASSERT( MMSUCCESS(Result) ); /* It should succeed! */
if ( ! MMSUCCESS(Result ) )
{
return TranslateInternalMmResult(Result);
}
}
/* Blank this out here */
SoundDeviceInstance->Thread = NULL;
/* Try and close the device */
Result = FunctionTable->Close(SoundDeviceInstance, Handle);
SND_ASSERT( MMSUCCESS(Result) ); /* It should succeed! */
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
/* Drop it from the list */
Result = UnlistSoundDeviceInstance(SoundDeviceInstance);
SND_ASSERT( MMSUCCESS(Result) ); /* It should succeed! */
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
FreeSoundDeviceInstance(SoundDeviceInstance);
return MMSYSERR_NOERROR;
}
/*
Provides an implementation for the "get capabilities" request,
using the standard IOCTLs used by NT4 sound drivers.
*/
MMRESULT
GetNt4SoundDeviceCapabilities(
IN PSOUND_DEVICE SoundDevice,
OUT PVOID Capabilities,
IN DWORD CapabilitiesSize)
{
MMRESULT Result;
MMDEVICE_TYPE DeviceType;
DWORD IoCtl;
HANDLE DeviceHandle;
/* If these are bad there's an internal error with MME-Buddy! */
SND_ASSERT( SoundDevice );
SND_ASSERT( Capabilities );
SND_ASSERT( CapabilitiesSize > 0 );
SND_TRACE(L"NT4 get-capabilities routine called\n");
/* Get the device type */
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
/* Choose the appropriate IOCTL */
if ( IS_WAVE_DEVICE_TYPE(DeviceType) )
{
IoCtl = IOCTL_WAVE_GET_CAPABILITIES;
}
else if ( IS_MIDI_DEVICE_TYPE(DeviceType) )
{
IoCtl = IOCTL_MIDI_GET_CAPABILITIES;
}
else
{
/* FIXME - need to support AUX and mixer devices */
SND_ASSERT( FALSE );
IoCtl = 0;
}
/* Get the capabilities information from the driver */
Result = OpenNt4KernelSoundDevice(SoundDevice, TRUE, &DeviceHandle);
if ( ! MMSUCCESS(Result) )
{
SND_ERR(L"Failed to open device");
return TranslateInternalMmResult(Result);
}
Result = SyncOverlappedDeviceIoControl(DeviceHandle,
IoCtl,
Capabilities,
CapabilitiesSize,
NULL,
0,
NULL);
CloseKernelSoundDevice(DeviceHandle);
if ( ! MMSUCCESS(Result) )
{
SND_ERR(L"Retrieval of capabilities information failed\n");
Result = TranslateInternalMmResult(Result);
}
return Result;
}
MMRESULT
CreateSoundDeviceInstance(
IN PSOUND_DEVICE SoundDevice,
OUT PSOUND_DEVICE_INSTANCE* SoundDeviceInstance)
{
MMRESULT Result;
PMMFUNCTION_TABLE FunctionTable;
SND_TRACE(L"Creating a sound device instance\n");
VALIDATE_MMSYS_PARAMETER( IsValidSoundDevice(SoundDevice) );
VALIDATE_MMSYS_PARAMETER( SoundDeviceInstance != NULL );
Result = AllocateSoundDeviceInstance(SoundDeviceInstance);
if ( ! MMSUCCESS(Result) )
return TranslateInternalMmResult(Result);
/* Get the "open" routine from the function table, and validate it */
Result = GetSoundDeviceFunctionTable(SoundDevice, &FunctionTable);
if ( ! MMSUCCESS(Result) )
{
FreeSoundDeviceInstance(*SoundDeviceInstance);
return TranslateInternalMmResult(Result);
}
if ( FunctionTable->Open == NULL )
{
FreeSoundDeviceInstance(*SoundDeviceInstance);
return MMSYSERR_NOTSUPPORTED;
}
/* Set up the members of the structure */
(*SoundDeviceInstance)->Next = NULL;
(*SoundDeviceInstance)->Device = SoundDevice;
(*SoundDeviceInstance)->Handle = NULL;
(*SoundDeviceInstance)->Thread = NULL;
(*SoundDeviceInstance)->WinMM.Handle = INVALID_HANDLE_VALUE;
(*SoundDeviceInstance)->WinMM.ClientCallback = 0;
(*SoundDeviceInstance)->WinMM.ClientCallbackInstanceData = 0;
(*SoundDeviceInstance)->WinMM.Flags = 0;
/* Initialise the members of the struct used by the sound thread */
(*SoundDeviceInstance)->HeadWaveHeader = NULL;
(*SoundDeviceInstance)->TailWaveHeader = NULL;
(*SoundDeviceInstance)->OutstandingBuffers = 0;
(*SoundDeviceInstance)->LoopsRemaining = 0;
/* Create the streaming thread (TODO - is this for wave only?) */
Result = CreateSoundThread(&(*SoundDeviceInstance)->Thread);
if ( ! MMSUCCESS(Result) )
{
FreeSoundDeviceInstance(*SoundDeviceInstance);
return TranslateInternalMmResult(Result);
}
/* Add the instance to the list */
Result = ListSoundDeviceInstance(SoundDevice, *SoundDeviceInstance);
if ( ! MMSUCCESS(Result) )
{
FreeSoundDeviceInstance(*SoundDeviceInstance);
return TranslateInternalMmResult(Result);
}
/* Try and open the device */
Result = FunctionTable->Open(SoundDevice, (&(*SoundDeviceInstance)->Handle));
if ( ! MMSUCCESS(Result) )
{
UnlistSoundDeviceInstance(*SoundDeviceInstance);
FreeSoundDeviceInstance(*SoundDeviceInstance);
return TranslateInternalMmResult(Result);
}
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudQueryMixerInfoByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN DWORD DeviceId,
IN UINT uMsg,
IN LPVOID Parameter,
IN DWORD Flags)
{
MMRESULT Result;
WDMAUD_DEVICE_INFO DeviceInfo;
HANDLE Handle;
DWORD IoControlCode;
LPMIXERLINEW MixLine;
LPMIXERLINECONTROLSW MixControls;
LPMIXERCONTROLDETAILS MixDetails;
SND_TRACE(L"uMsg %x Flags %x\n", uMsg, Flags);
Result = GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.hDevice = Handle;
DeviceInfo.DeviceIndex = DeviceId;
DeviceInfo.DeviceType = MIXER_DEVICE_TYPE;
DeviceInfo.Flags = Flags;
MixLine = (LPMIXERLINEW)Parameter;
MixControls = (LPMIXERLINECONTROLSW)Parameter;
MixDetails = (LPMIXERCONTROLDETAILS)Parameter;
switch(uMsg)
{
case MXDM_GETLINEINFO:
RtlCopyMemory(&DeviceInfo.u.MixLine, MixLine, sizeof(MIXERLINEW));
IoControlCode = IOCTL_GETLINEINFO;
break;
case MXDM_GETLINECONTROLS:
RtlCopyMemory(&DeviceInfo.u.MixControls, MixControls, sizeof(MIXERLINECONTROLSW));
IoControlCode = IOCTL_GETLINECONTROLS;
break;
case MXDM_SETCONTROLDETAILS:
RtlCopyMemory(&DeviceInfo.u.MixDetails, MixDetails, sizeof(MIXERCONTROLDETAILS));
IoControlCode = IOCTL_SETCONTROLDETAILS;
break;
case MXDM_GETCONTROLDETAILS:
RtlCopyMemory(&DeviceInfo.u.MixDetails, MixDetails, sizeof(MIXERCONTROLDETAILS));
IoControlCode = IOCTL_GETCONTROLDETAILS;
break;
default:
SND_ASSERT(0);
return MMSYSERR_NOTSUPPORTED;
}
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IoControlCode,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS(Result) )
{
return Result;
}
switch(uMsg)
{
case MXDM_GETLINEINFO:
{
RtlCopyMemory(MixLine, &DeviceInfo.u.MixLine, sizeof(MIXERLINEW));
break;
}
}
return Result;
}
MMRESULT
WdmAudSetWaveDeviceFormatByLegacy(
IN PSOUND_DEVICE_INSTANCE Instance,
IN DWORD DeviceId,
IN PWAVEFORMATEX WaveFormat,
IN DWORD WaveFormatSize)
{
MMRESULT Result;
PSOUND_DEVICE SoundDevice;
PVOID Identifier;
WDMAUD_DEVICE_INFO DeviceInfo;
MMDEVICE_TYPE DeviceType;
Result = GetSoundDeviceFromInstance(Instance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
Result = GetSoundDeviceIdentifier(SoundDevice, &Identifier);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
if (Instance->Handle != NULL)
{
/* device is already open */
return MMSYSERR_NOERROR;
}
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.DeviceIndex = DeviceId;
DeviceInfo.u.WaveFormatEx.cbSize = sizeof(WAVEFORMATEX); //WaveFormat->cbSize;
DeviceInfo.u.WaveFormatEx.wFormatTag = WaveFormat->wFormatTag;
#ifdef USERMODE_MIXER
DeviceInfo.u.WaveFormatEx.nChannels = 2;
DeviceInfo.u.WaveFormatEx.nSamplesPerSec = 44100;
DeviceInfo.u.WaveFormatEx.nBlockAlign = 4;
DeviceInfo.u.WaveFormatEx.nAvgBytesPerSec = 176400;
DeviceInfo.u.WaveFormatEx.wBitsPerSample = 16;
#else
DeviceInfo.u.WaveFormatEx.nChannels = WaveFormat->nChannels;
DeviceInfo.u.WaveFormatEx.nSamplesPerSec = WaveFormat->nSamplesPerSec;
DeviceInfo.u.WaveFormatEx.nBlockAlign = WaveFormat->nBlockAlign;
DeviceInfo.u.WaveFormatEx.nAvgBytesPerSec = WaveFormat->nAvgBytesPerSec;
DeviceInfo.u.WaveFormatEx.wBitsPerSample = (DeviceInfo.u.WaveFormatEx.nAvgBytesPerSec * 8) / (DeviceInfo.u.WaveFormatEx.nSamplesPerSec * DeviceInfo.u.WaveFormatEx.nChannels);
#endif
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_OPEN_WDMAUD,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
if (WaveFormatSize >= sizeof(WAVEFORMAT))
{
/* Store format */
Instance->WaveFormatEx.wFormatTag = WaveFormat->wFormatTag;
Instance->WaveFormatEx.nChannels = WaveFormat->nChannels;
Instance->WaveFormatEx.nSamplesPerSec = WaveFormat->nSamplesPerSec;
Instance->WaveFormatEx.nBlockAlign = WaveFormat->nBlockAlign;
Instance->WaveFormatEx.nAvgBytesPerSec = WaveFormat->nAvgBytesPerSec;
}
/* store details */
Instance->WaveFormatEx.cbSize = sizeof(WAVEFORMATEX);
Instance->WaveFormatEx.wBitsPerSample = (DeviceInfo.u.WaveFormatEx.nAvgBytesPerSec * 8) / (DeviceInfo.u.WaveFormatEx.nSamplesPerSec * DeviceInfo.u.WaveFormatEx.nChannels);
/* Store sound device handle instance handle */
Instance->Handle = (PVOID)DeviceInfo.hDevice;
/* Now determine framing requirements */
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_GETFRAMESIZE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( MMSUCCESS(Result) )
{
if (DeviceInfo.u.FrameSize)
{
Instance->FrameSize = DeviceInfo.u.FrameSize * 2;
Instance->BufferCount = WaveFormat->nAvgBytesPerSec / Instance->FrameSize;
SND_TRACE(L"FrameSize %u BufferCount %u\n", Instance->FrameSize, Instance->BufferCount);
}
}
else
{
// use a default of 100 buffers
Instance->BufferCount = 100;
}
/* Now acquire resources */
DeviceInfo.u.State = KSSTATE_ACQUIRE;
SyncOverlappedDeviceIoControl(KernelHandle, IOCTL_SETDEVICE_STATE, (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), NULL);
/* pause the pin */
DeviceInfo.u.State = KSSTATE_PAUSE;
SyncOverlappedDeviceIoControl(KernelHandle, IOCTL_SETDEVICE_STATE, (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), NULL);
/* start the pin */
DeviceInfo.u.State = KSSTATE_RUN;
SyncOverlappedDeviceIoControl(KernelHandle, IOCTL_SETDEVICE_STATE, (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPVOID) &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), NULL);
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudOpenSoundDeviceByLegacy(
IN PSOUND_DEVICE SoundDevice,
OUT PVOID *Handle)
{
HDEVINFO hDevInfo;
SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;
GUID SWBusGuid = {STATIC_KSCATEGORY_WDMAUD};
PSP_DEVICE_INTERFACE_DETAIL_DATA_W DeviceInterfaceDetailData;
if ( KernelHandle == INVALID_HANDLE_VALUE )
{
hDevInfo = SetupDiGetClassDevsW(&SWBusGuid, NULL, NULL, DIGCF_DEVICEINTERFACE| DIGCF_PRESENT);
if (!hDevInfo)
{
// failed
return MMSYSERR_ERROR;
}
DeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
if (!SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &SWBusGuid, 0, &DeviceInterfaceData))
{
// failed
SetupDiDestroyDeviceInfoList(hDevInfo);
return MMSYSERR_ERROR;
}
DeviceInterfaceDetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA_W)HeapAlloc(GetProcessHeap(), 0, MAX_PATH * sizeof(WCHAR) + sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W));
if (!DeviceInterfaceDetailData)
{
// failed
SetupDiDestroyDeviceInfoList(hDevInfo);
return MMSYSERR_ERROR;
}
DeviceInterfaceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W);
if (!SetupDiGetDeviceInterfaceDetailW(hDevInfo, &DeviceInterfaceData, DeviceInterfaceDetailData,MAX_PATH * sizeof(WCHAR) + sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W), NULL, NULL))
{
// failed
HeapFree(GetProcessHeap(), 0, DeviceInterfaceDetailData);
SetupDiDestroyDeviceInfoList(hDevInfo);
return MMSYSERR_ERROR;
}
SND_TRACE(L"Opening wdmaud device '%s'\n",DeviceInterfaceDetailData->DevicePath);
KernelHandle = CreateFileW(DeviceInterfaceDetailData->DevicePath,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
HeapFree(GetProcessHeap(), 0, DeviceInterfaceDetailData);
SetupDiDestroyDeviceInfoList(hDevInfo);
}
if ( KernelHandle == INVALID_HANDLE_VALUE )
return MMSYSERR_ERROR;
++ OpenCount;
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudGetCapabilitiesByLegacy(
IN PSOUND_DEVICE SoundDevice,
IN DWORD DeviceId,
OUT PVOID Capabilities,
IN DWORD CapabilitiesSize)
{
MMRESULT Result;
MMDEVICE_TYPE DeviceType;
WDMAUD_DEVICE_INFO DeviceInfo;
SND_ASSERT( SoundDevice );
SND_ASSERT( Capabilities );
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
if ( ! MMSUCCESS(Result) )
return Result;
SND_TRACE(L"WDMAUD - GetWdmDeviceCapabilities DeviceType %u DeviceId %u\n", DeviceType, DeviceId);
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.DeviceIndex = DeviceId;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_GETCAPABILITIES,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
/* This is pretty much a big hack right now */
switch ( DeviceType )
{
case MIXER_DEVICE_TYPE:
{
LPMIXERCAPSW MixerCaps = (LPMIXERCAPSW) Capabilities;
DeviceInfo.u.MixCaps.szPname[MAXPNAMELEN-1] = L'\0';
CopyWideString(MixerCaps->szPname, DeviceInfo.u.MixCaps.szPname);
MixerCaps->cDestinations = DeviceInfo.u.MixCaps.cDestinations;
MixerCaps->fdwSupport = DeviceInfo.u.MixCaps.fdwSupport;
MixerCaps->vDriverVersion = DeviceInfo.u.MixCaps.vDriverVersion;
MixerCaps->wMid = DeviceInfo.u.MixCaps.wMid;
MixerCaps->wPid = DeviceInfo.u.MixCaps.wPid;
break;
}
case WAVE_OUT_DEVICE_TYPE :
{
LPWAVEOUTCAPSW WaveOutCaps = (LPWAVEOUTCAPSW) Capabilities;
DeviceInfo.u.WaveOutCaps.szPname[MAXPNAMELEN-1] = L'\0';
WaveOutCaps->wMid = DeviceInfo.u.WaveOutCaps.wMid;
WaveOutCaps->wPid = DeviceInfo.u.WaveOutCaps.wPid;
WaveOutCaps->vDriverVersion = DeviceInfo.u.WaveOutCaps.vDriverVersion;
CopyWideString(WaveOutCaps->szPname, DeviceInfo.u.WaveOutCaps.szPname);
WaveOutCaps->dwFormats = DeviceInfo.u.WaveOutCaps.dwFormats;
WaveOutCaps->wChannels = DeviceInfo.u.WaveOutCaps.wChannels;
WaveOutCaps->dwSupport = DeviceInfo.u.WaveOutCaps.dwSupport;
break;
}
case WAVE_IN_DEVICE_TYPE :
{
LPWAVEINCAPSW WaveInCaps = (LPWAVEINCAPSW) Capabilities;
DeviceInfo.u.WaveInCaps.szPname[MAXPNAMELEN-1] = L'\0';
WaveInCaps->wMid = DeviceInfo.u.WaveInCaps.wMid;
WaveInCaps->wPid = DeviceInfo.u.WaveInCaps.wPid;
WaveInCaps->vDriverVersion = DeviceInfo.u.WaveInCaps.vDriverVersion;
CopyWideString(WaveInCaps->szPname, DeviceInfo.u.WaveInCaps.szPname);
WaveInCaps->dwFormats = DeviceInfo.u.WaveInCaps.dwFormats;
WaveInCaps->wChannels = DeviceInfo.u.WaveInCaps.wChannels;
WaveInCaps->wReserved1 = 0;
break;
}
case MIDI_IN_DEVICE_TYPE :
{
LPMIDIINCAPSW MidiInCaps = (LPMIDIINCAPSW)Capabilities;
DeviceInfo.u.MidiInCaps.szPname[MAXPNAMELEN-1] = L'\0';
MidiInCaps->vDriverVersion = DeviceInfo.u.MidiInCaps.vDriverVersion;
MidiInCaps->wMid = DeviceInfo.u.MidiInCaps.wMid;
MidiInCaps->wPid = DeviceInfo.u.MidiInCaps.wPid;
MidiInCaps->dwSupport = DeviceInfo.u.MidiInCaps.dwSupport;
CopyWideString(MidiInCaps->szPname, DeviceInfo.u.MidiInCaps.szPname);
break;
}
case MIDI_OUT_DEVICE_TYPE :
{
LPMIDIOUTCAPSW MidiOutCaps = (LPMIDIOUTCAPSW)Capabilities;
DeviceInfo.u.MidiOutCaps.szPname[MAXPNAMELEN-1] = L'\0';
MidiOutCaps->vDriverVersion = DeviceInfo.u.MidiOutCaps.vDriverVersion;
MidiOutCaps->wMid = DeviceInfo.u.MidiOutCaps.wMid;
MidiOutCaps->wPid = DeviceInfo.u.MidiOutCaps.wPid;
MidiOutCaps->dwSupport = DeviceInfo.u.MidiOutCaps.dwSupport;
CopyWideString(MidiOutCaps->szPname, DeviceInfo.u.MidiOutCaps.szPname);
break;
}
}
return MMSYSERR_NOERROR;
}
