capSetCallbackOnWaveStream
The capSetCallbackOnWaveStream
macro sets a callback function in the application. AVICap calls this procedure
during streaming capture when a new audio buffer becomes available. You can use
this macro or explicitly call the WM_CAP_SET_CALLBACK_WAVESTREAM message.
BOOL capSetCallbackOnWaveStream(
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hwnd, |
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|
fpProc |
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); |
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Parameters
hwnd
Handle of a
capture window.
fpProc
Address of
the wave stream callback function. Specify NULL for this parameter to disable a
previously installed wave stream callback function.
Return Values
Returns TRUE
if successful or FALSE if streaming capture or a single-frame capture session
is in progress.
Remarks
The capture
window calls the procedure before writing the audio buffer to disk. This allows
applications to modify the audio buffer if desired.
If a wave
stream callback function is used, it must be installed before starting the
capture session and it must remain enabled for the duration of the session. It
can be disabled after streaming capture ends.
See Also