waveInGetPosition
The waveInGetPosition function retrieves the current input position of the given waveform-audio input device.
MMRESULT waveInGetPosition(
HWAVEIN hwi,
LPMMTIME pmmt,
UINT cbmmt
);
Parameters
hwi
Handle to the waveform-audio input device.
pmmt
Pointer to an MMTIME structure.
cbmmt
Size, in bytes, of the MMTIME structure.
Return Values
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.
Value | Description |
MMSYSERR_INVALHANDLE | Specified device handle is invalid. |
MMSYSERR_NODRIVER | No device driver is present. |
MMSYSERR_NOMEM | Unable to allocate or lock memory. |
Remarks
Before calling this function, set the wType member of the MMTIME structure to indicate the time format you want. After calling this function, check wType to determine whether the desired time format is supported. If the format is not supported, the member will specify an alternative format.
The position is set to zero when the device is opened or reset.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.
** Library:** Use Winmm.lib.
See Also