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waveInGetPosition function

[waveInGetPosition is no longer supported for use as of Windows Vista. Instead, use IAudioClock::GetPosition.]

The waveInGetPosition function retrieves the current input position of the given waveform-audio input device.

Syntax


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 value

Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.

Return codeDescription
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

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

End of client support

Windows Vista

End of server support

Windows Server 2008

Header

Mmsystem.h (include Windows.h)

Library

Winmm.lib

DLL

Winmm.dll

See also

Waveform Audio
Waveform Functions

 

 

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