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 of the
waveform-audio input device.
pmmt
Address of 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:
|
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.
See Also