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ICM_DECOMPRESS_QUERY
The ICM_DECOMPRESS_QUERY message queries a video decompression driver to
determine if it supports a specific input format or if it can decompress a specific
input format to a specific output format. You can send this message explicitly
or by using the ICDecompressQuery macro.
ICM_DECOMPRESS_QUERY
wParam = (DWORD) (LPVOID) lpbiInput;
lParam = (DWORD) (LPVOID) lpbiOutput;
Parameters
lpbiInput
Address of a BITMAPINFO structure containing the input format.
lpbiOutput
Address of a BITMAPINFO structure containing the output format. You can specify zero for this
parameter to indicate any output format is acceptable.
Return Values
Returns ICERR_OK if the specified decompression is supported or
ICERR_BADFORMAT otherwise.
See Also
BITMAPINFO, ICDecompressQuery
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