ICCompressQuery macro (vfw.h)
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
void 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
None
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
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | vfw.h |