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- Implement retrieving position

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svn path=/trunk/; revision=41900
This commit is contained in:
Johannes Anderwald 2009-07-11 23:21:41 +00:00
parent 85cde828b2
commit 14ecd271ba
1 changed files with 50 additions and 1 deletions
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51
reactos/dll/win32/wdmaud.drv/wdmaud.c
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@ -238,6 +238,7 @@ QueryWdmWaveDeviceFormatSupport(
MMRESULT
SetWdmWaveDeviceFormat(
IN PSOUND_DEVICE_INSTANCE Instance,
IN DWORD DeviceId,
IN PWAVEFORMATEX WaveFormat,
IN DWORD WaveFormatSize)
{
@ -273,7 +274,7 @@ SetWdmWaveDeviceFormat(
ZeroMemory(&DeviceInfo, sizeof(WDMAUD_DEVICE_INFO));
DeviceInfo.DeviceType = DeviceType;
DeviceInfo.DeviceIndex = 0; //FIXME
DeviceInfo.DeviceIndex = DeviceId;
DeviceInfo.u.WaveFormatEx.cbSize = WaveFormat->cbSize;
DeviceInfo.u.WaveFormatEx.wFormatTag = WaveFormat->wFormatTag;
DeviceInfo.u.WaveFormatEx.nChannels = WaveFormat->nChannels;
@ -342,6 +343,53 @@ WriteFileEx_Committer2(
return MMSYSERR_NOERROR;
}
MMRESULT
GetWdmPosition(
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
PopulateWdmDeviceList(
@ -386,6 +434,7 @@ PopulateWdmDeviceList(
FuncTable.Open = OpenWdmSoundDevice;
FuncTable.Close = CloseWdmSoundDevice;
FuncTable.CommitWaveBuffer = WriteFileEx_Committer2;
FuncTable.GetPos = GetWdmPosition;
SetSoundDeviceFunctionTable(SoundDevice, &FuncTable);
}