Export (0) Print
Expand All
max
min
Expand Minimize

ICCompressQuery macro

The ICCompressQuery macro queries a video compression driver to determine if it supports a specific input format or if it can compress a specific input format to a specific output format. You can use this macro or explicitly call the ICM_COMPRESS_QUERY message.

Syntax


DWORD ICCompressQuery(
    hic,
    lpbiInput,
    lpbiOutput
);

Parameters

hic

Handle to a compressor.

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 compression is supported or ICERR_BADFORMAT otherwise.

Remarks

When a driver receives this message, it should examine the BITMAPINFO structure associated with lpbiInput to determine if it can compress the input format.

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

 

 

Community Additions

ADD
Show:
© 2015 Microsoft