ICM_DECOMPRESSEX_QUERY

	Overview

	Group

	Quick Info

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.

wParam = (DWORD) (LPVOID) &icdex;

lParam = sizeof(ICDECOMPRESSEX);

Parameters
icdex

Address of a ICDECOMPRESSEX structure containing the input format.

lParam

Size, in bytes, of ICDECOMPRESSEX.

Return Values
Returns ICERR_OK if the specified decompression is supported or ICERR_BADFORMAT otherwise.