ICM_COMPRESS_FRAMES_INFO

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

Notifies a compression driver to set the parameters for the pending compression.

• Returns ICERR_OK if successful or an error otherwise.

wParam

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

lParam

Size of the ICCOMPRESSFRAMES structure referenced by wParam.

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

See Also

ICCOMPRESSFRAMES, ICM_COMPRESS_BEGIN