ICM_COMPRESS_FRAMES_INFO message

The ICM_COMPRESS_FRAMES_INFO message notifies a compression driver to set the parameters for the pending compression.

ICM_COMPRESS_FRAMES_INFO 
wParam = (DWORD) (LPVOID) &icf; 
lParam = sizeof(ICCOMPRESSFRAMES); 

Parameters

icf

Pointer to an ICCOMPRESSFRAMES structure. The GetData and PutData members of this structure are not used with this message.

lParam

Size, in bytes, of ICCOMPRESSFRAMES.

Return Value

Returns ICERR_OK if successful or an error otherwise.

Remarks

A compressor can use this message to determine how much space to allocate for each frame while compressing.

Requirements

Requirement Value
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 Messages