reactos/dll/win32/wdmaud.drv/legacy.c

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/*
* PROJECT: ReactOS Sound System
* LICENSE: GPL - See COPYING in the top level directory
* FILE: dll/win32/wdmaud.drv/wdmaud.c
*
* PURPOSE: WDM Audio Driver (User-mode part)
* PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
Johannes Anderwald
*
* NOTES: Looking for wodMessage & co? You won't find them here. Try
* the MME Buddy library, which is where these routines are
* actually implemented.
*
*/
#include "wdmaud.h"
#include <stdio.h>
#define KERNEL_DEVICE_NAME L"\\\\.\\wdmaud"
HANDLE KernelHandle = INVALID_HANDLE_VALUE;
DWORD OpenCount = 0;
DWORD
WINAPI
MixerEventThreadRoutine(
LPVOID Parameter)
{
HANDLE WaitObjects[2];
DWORD dwResult;
MMRESULT Result;
WDMAUD_DEVICE_INFO DeviceInfo;
PSOUND_DEVICE_INSTANCE Instance = (PSOUND_DEVICE_INSTANCE)Parameter;
/* setup wait objects */
WaitObjects[0] = Instance->hNotifyEvent;
WaitObjects[1] = Instance->hStopEvent;
/* zero device info */
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.hDevice = Instance->Handle;
DeviceInfo.DeviceType = MIXER_DEVICE_TYPE;
do
{
dwResult = WaitForMultipleObjects(2, WaitObjects, FALSE, INFINITE);
if (dwResult == WAIT_OBJECT_0 + 1)
{
/* stop event was signalled */
break;
}
do
{
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_GET_MIXER_EVENT,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if (Result == MMSYSERR_NOERROR)
{
DriverCallback(Instance->WinMM.ClientCallback,
HIWORD(Instance->WinMM.Flags),
Instance->WinMM.Handle,
DeviceInfo.u.MixerEvent.NotificationType,
Instance->WinMM.ClientCallbackInstanceData,
(DWORD_PTR)DeviceInfo.u.MixerEvent.Value,
0);
}
}while(Result == MMSYSERR_NOERROR);
}while(TRUE);
/* done */
return 0;
}
MMRESULT
WdmAudCleanupByLegacy()
{
if (KernelHandle != INVALID_HANDLE_VALUE)
{
CloseHandle(KernelHandle);
KernelHandle = INVALID_HANDLE_VALUE;
}
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudGetNumWdmDevsByLegacy(
IN MMDEVICE_TYPE DeviceType,
OUT DWORD* DeviceCount)
{
MMRESULT Result;
WDMAUD_DEVICE_INFO DeviceInfo;
VALIDATE_MMSYS_PARAMETER( KernelHandle != INVALID_HANDLE_VALUE );
VALIDATE_MMSYS_PARAMETER( IS_VALID_SOUND_DEVICE_TYPE(DeviceType) );
VALIDATE_MMSYS_PARAMETER( DeviceCount );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_GETNUMDEVS_TYPE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS( Result ) )
{
SND_ERR(L"Call to IOCTL_GETNUMDEVS_TYPE failed\n");
*DeviceCount = 0;
return TranslateInternalMmResult(Result);
}
*DeviceCount = DeviceInfo.DeviceCount;
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:
{
LPMIXERCAPS MixerCaps = (LPMIXERCAPS) 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 :
{
LPWAVEOUTCAPS WaveOutCaps = (LPWAVEOUTCAPS) Capabilities;
DeviceInfo.u.WaveOutCaps.szPname[MAXPNAMELEN-1] = L'\0';
WaveOutCaps->wMid = DeviceInfo.u.WaveOutCaps.wMid;
WaveOutCaps->wPid = DeviceInfo.u.WaveOutCaps.wPid;
WaveOutCaps->vDriverVersion = 0x0001;
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 = 0x0001;
CopyWideString(WaveInCaps->szPname, DeviceInfo.u.WaveInCaps.szPname);
WaveInCaps->dwFormats = DeviceInfo.u.WaveInCaps.dwFormats;
WaveInCaps->wChannels = DeviceInfo.u.WaveInCaps.wChannels;
WaveInCaps->wReserved1 = 0;
break;
}
}
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudOpenSoundDeviceByLegacy()
{
/* Only open this if it's not already open */
if ( KernelHandle == INVALID_HANDLE_VALUE )
{
SND_TRACE(L"Opening wdmaud device\n");
KernelHandle = CreateFileW(KERNEL_DEVICE_NAME,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
}
if ( KernelHandle == INVALID_HANDLE_VALUE )
return MMSYSERR_ERROR;
++ OpenCount;
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudCloseSoundDeviceByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN PVOID Handle)
{
WDMAUD_DEVICE_INFO DeviceInfo;
MMRESULT Result;
MMDEVICE_TYPE DeviceType;
PSOUND_DEVICE SoundDevice;
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
if ( OpenCount == 0 )
{
return MMSYSERR_NOERROR;
}
SND_ASSERT( KernelHandle != INVALID_HANDLE_VALUE );
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
if (SoundDeviceInstance->Handle != (PVOID)KernelHandle)
{
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.hDevice = SoundDeviceInstance->Handle;
/* First stop the stream */
if (DeviceType != MIXER_DEVICE_TYPE)
{
DeviceInfo.u.State = KSSTATE_PAUSE;
SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_SETDEVICE_STATE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
DeviceInfo.u.State = KSSTATE_ACQUIRE;
SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_SETDEVICE_STATE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
DeviceInfo.u.State = KSSTATE_STOP;
SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_SETDEVICE_STATE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
}
SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_CLOSE_WDMAUD,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
}
if (DeviceType == MIXER_DEVICE_TYPE)
{
SetEvent(SoundDeviceInstance->hStopEvent);
CloseHandle(SoundDeviceInstance->hStopEvent);
CloseHandle(SoundDeviceInstance->hNotifyEvent);
}
--OpenCount;
if ( OpenCount < 1 )
{
CloseHandle(KernelHandle);
KernelHandle = INVALID_HANDLE_VALUE;
}
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudSetMixerDeviceFormatByLegacy(
IN PSOUND_DEVICE_INSTANCE Instance,
IN DWORD DeviceId,
IN PWAVEFORMATEX WaveFormat,
IN DWORD WaveFormatSize)
{
MMRESULT Result;
WDMAUD_DEVICE_INFO DeviceInfo;
HANDLE hThread;
Instance->hNotifyEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if ( ! Instance->hNotifyEvent )
return MMSYSERR_NOMEM;
if (Instance->Handle != NULL)
{
/* device is already open */
return MMSYSERR_NOERROR;
}
Instance->hStopEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if ( ! Instance->hStopEvent )
return MMSYSERR_NOMEM;
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = MIXER_DEVICE_TYPE;
DeviceInfo.DeviceIndex = DeviceId;
DeviceInfo.u.hNotifyEvent = Instance->hNotifyEvent;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_OPEN_WDMAUD,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS(Result) )
{
CloseHandle(Instance->hNotifyEvent);
CloseHandle(Instance->hStopEvent);
return TranslateInternalMmResult(Result);
}
hThread = CreateThread(NULL, 0, MixerEventThreadRoutine, (LPVOID)Instance, 0, NULL);
if ( hThread )
{
CloseHandle(hThread);
}
/* Store sound device handle instance handle */
Instance->Handle = (PVOID)DeviceInfo.hDevice;
return MMSYSERR_NOERROR;
}
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 = WaveFormat->wBitsPerSample;
#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);
}
/* Store format */
Instance->WaveFormatEx.cbSize = WaveFormat->cbSize;
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;
Instance->WaveFormatEx.wBitsPerSample = WaveFormat->wBitsPerSample;
/* 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;
}
if (DeviceType == WAVE_OUT_DEVICE_TYPE)
{
/* Now start the stream */
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
WdmAudCommitWaveBufferByLegacy(
IN PSOUND_DEVICE_INSTANCE SoundDeviceInstance,
IN PVOID OffsetPtr,
IN DWORD Length,
IN PSOUND_OVERLAPPED Overlap,
IN LPOVERLAPPED_COMPLETION_ROUTINE CompletionRoutine)
{
HANDLE Handle;
MMRESULT Result;
WDMAUD_DEVICE_INFO DeviceInfo;
PSOUND_DEVICE SoundDevice;
MMDEVICE_TYPE DeviceType;
BOOL Ret;
VALIDATE_MMSYS_PARAMETER( SoundDeviceInstance );
VALIDATE_MMSYS_PARAMETER( OffsetPtr );
VALIDATE_MMSYS_PARAMETER( Overlap );
VALIDATE_MMSYS_PARAMETER( CompletionRoutine );
GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
SND_ASSERT(Handle);
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.Header.FrameExtent = Length;
if (DeviceType == WAVE_OUT_DEVICE_TYPE)
{
DeviceInfo.Header.DataUsed = Length;
}
DeviceInfo.Header.Data = OffsetPtr;
DeviceInfo.Header.Size = sizeof(WDMAUD_DEVICE_INFO);
DeviceInfo.Header.PresentationTime.Numerator = 1;
DeviceInfo.Header.PresentationTime.Denominator = 1;
DeviceInfo.hDevice = Handle;
DeviceInfo.DeviceType = DeviceType;
Overlap->Standard.hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if (DeviceType == WAVE_OUT_DEVICE_TYPE)
{
Ret = WriteFileEx(KernelHandle, &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPOVERLAPPED)Overlap, CompletionRoutine);
if (Ret)
WaitForSingleObjectEx (KernelHandle, INFINITE, TRUE);
}
else if (DeviceType == WAVE_IN_DEVICE_TYPE)
{
Ret = ReadFileEx(KernelHandle, &DeviceInfo, sizeof(WDMAUD_DEVICE_INFO), (LPOVERLAPPED)Overlap, CompletionRoutine);
//if (Ret)
// WaitForSingleObjectEx (KernelHandle, INFINITE, TRUE);
}
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudSetWaveStateByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN BOOL bStart)
{
MMRESULT Result;
PSOUND_DEVICE SoundDevice;
WDMAUD_DEVICE_INFO DeviceInfo;
MMDEVICE_TYPE DeviceType;
HANDLE Handle;
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
Result = GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.hDevice = Handle;
DeviceInfo.DeviceType = DeviceType;
if (bStart)
DeviceInfo.u.State = KSSTATE_RUN;
else
DeviceInfo.u.State = KSSTATE_PAUSE;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_SETDEVICE_STATE,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
return Result;
}
MMRESULT
WdmAudGetDeviceInterfaceStringByLegacy(
IN MMDEVICE_TYPE DeviceType,
IN DWORD DeviceId,
IN LPWSTR Interface,
IN DWORD InterfaceLength,
OUT DWORD * InterfaceSize)
{
WDMAUD_DEVICE_INFO DeviceInfo;
MMRESULT Result;
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.DeviceIndex = DeviceId;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_QUERYDEVICEINTERFACESTRING,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
if (!Interface)
{
SND_ASSERT(InterfaceSize);
*InterfaceSize = DeviceInfo.u.Interface.DeviceInterfaceStringSize;
return MMSYSERR_NOERROR;
}
if (InterfaceLength < DeviceInfo.u.Interface.DeviceInterfaceStringSize)
{
/* buffer is too small */
return MMSYSERR_MOREDATA;
}
DeviceInfo.u.Interface.DeviceInterfaceStringSize = InterfaceLength;
DeviceInfo.u.Interface.DeviceInterfaceString = Interface;
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_QUERYDEVICEINTERFACESTRING,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
if ( MMSUCCESS(Result) && InterfaceLength > 2)
{
Interface[1] = L'\\';
Interface[InterfaceLength-1] = L'\0';
}
return Result;
}
MMRESULT
WdmAudGetWavePositionByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN MMTIME* Time)
{
MMRESULT Result;
PSOUND_DEVICE SoundDevice;
WDMAUD_DEVICE_INFO DeviceInfo;
MMDEVICE_TYPE DeviceType;
HANDLE Handle;
Result = GetSoundDeviceFromInstance(SoundDeviceInstance, &SoundDevice);
if ( ! MMSUCCESS(Result) )
{
return TranslateInternalMmResult(Result);
}
Result = GetSoundDeviceType(SoundDevice, &DeviceType);
SND_ASSERT( Result == MMSYSERR_NOERROR );
Result = GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.hDevice = Handle;
DeviceInfo.DeviceType = DeviceType;
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);
}
Time->wType = TIME_BYTES;
Time->u.cb = (DWORD)DeviceInfo.u.Position;
return MMSYSERR_NOERROR;
}
MMRESULT
WdmAudResetStreamByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
IN MMDEVICE_TYPE DeviceType,
IN BOOLEAN bStartReset)
{
MMRESULT Result;
HANDLE Handle;
WDMAUD_DEVICE_INFO DeviceInfo;
Result = GetSoundDeviceInstanceHandle(SoundDeviceInstance, &Handle);
SND_ASSERT( Result == MMSYSERR_NOERROR );
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.hDevice = Handle;
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.u.ResetStream = (bStartReset ? KSRESET_BEGIN : KSRESET_END);
Result = SyncOverlappedDeviceIoControl(KernelHandle,
IOCTL_RESET_STREAM,
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
(LPVOID) &DeviceInfo,
sizeof(WDMAUD_DEVICE_INFO),
NULL);
return Result;
}
MMRESULT
WdmAudQueryMixerInfoByLegacy(
IN struct _SOUND_DEVICE_INSTANCE* SoundDeviceInstance,
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.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;
}