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waveOutGetPosition.md

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waveOutGetPosition.md

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Function name : waveOutGetPosition

Group: Windows Multimedia - Library: winmm

The waveOutGetPosition function retrieves the current playback position of the given waveform-audio output device.

Code examples:

WAV file player

Declaration:

MMRESULT waveOutGetPosition(
  HWAVEOUT hwo,
  LPMMTIME pmmt,
  UINT cbmmt
);

FoxPro declaration:

DECLARE LONG waveOutGetPosition IN winmm;
	INTEGER   hwi,;
	STRING  @ pmmt,;
	INTEGER   cbmmt

Parameters:

hwo Handle to the waveform-audio output device.

pmmt Pointer to an MMTIME structure.

cbmmt Size, in bytes, of the MMTIME structure.

Return value:

Returns MMSYSERR_NOERROR (0) if successful or an error otherwise.

Comments:

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 time format is supported. If the format is not supported, wType will specify an alternative format.

The position is set to zero when the device is opened or reset.