ICM_DECOMPRESSEX_QUERY message
The ICM_DECOMPRESSEX_QUERY message queries a video compression driver to determine if it supports a specific input format or if it can decompress a specific input format to a specific output format.
ICM_DECOMPRESSEX_QUERY
wParam = (DWORD_PTR) (LPVOID) &icdex;
lParam = sizeof(ICDECOMPRESSEX);
Parameters
-
icdex
-
Pointer to a ICDECOMPRESSEX structure containing the input format.
-
lParam
-
Size, in bytes, of ICDECOMPRESSEX.
Return Value
Returns ICERR_OK if the specified decompression is supported or ICERR_BADFORMAT otherwise.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
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See also
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