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WM_CAP_PAL_AUTOCREATE
The WM_CAP_PAL_AUTOCREATE message requests that the capture driver sample
video frames and automatically create a new palette. You can send this message
explicitly or by using the capPaletteAuto macro.
WM_CAP_PAL_AUTOCREATE
wParam = (WPARAM) (iFrames);
lParam = (LPARAM) (DWORD) (iColors);
Parameters
iFrames
Number of frames to sample.
iColors
Number of colors in the palette. The maximum value for this parameter is 256.
Return Values
Returns TRUE if successful or FALSE otherwise.
If an error occurs and an error callback function is set using the WM_CAP_SET_CALLBACK_ERROR message, the error callback function is called.
Remarks
The sampled video sequence should include all the colors you want in the
palette. To obtain the best palette, you might have to sample the whole sequence
rather than a portion of it.
See Also
capPaletteAuto, WM_CAP_SET_CALLBACK_ERROR
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