ICDecompressQuery macro

The ICDecompressQuery macro 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 use this macro or explicitly call the ICM_DECOMPRESS_QUERY message.

Syntax


DWORD ICDecompressQuery(
    hic,
    lpbiInput,
    lpbiOutput
);

Parameters

hic

Handle to a decompressor.

lpbiInput

Pointer to a BITMAPINFO structure containing the input format.

lpbiOutput

Pointer to a BITMAPINFO structure containing the output format. You can specify zero for this parameter to indicate any output format is acceptable.

Return value

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

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Vfw.h

See also

Video Compression Manager
Video Compression Macros

 

 

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