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waveInAddBuffer
The waveInAddBuffer function sends an input buffer to the given waveform-audio input device. When
the buffer is filled, the application is notified.
MMRESULT waveInAddBuffer(
HWAVEIN hwi,
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| LPWAVEHDR pwh,
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| UINT cbwh
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| );
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Parameters
hwi
Handle of the waveform-audio input device.
pwh
Address of a WAVEHDR structure that identifies the buffer.
cbwh
Size, in bytes, of the WAVEHDR 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.
| WAVERR_UNPREPARED
| The buffer pointed to by the pwh parameter hasn't been prepared.
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Remarks
When the buffer is filled, the WHDR_DONE bit is set in the dwFlags member of the WAVEHDR structure.
The buffer must be prepared with the waveInPrepareHeader function before it is passed to this function.
See Also
WAVEHDR, waveInPrepareHeader
Related Links
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