ICM_COMPRESS_FRAMES_INFO

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

wParam = (DWORD) (LPVOID) &icf;

lParam = sizeof(ICCOMPRESSFRAMES);

Parameters
icf

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

lParam

Size, in bytes, of ICCOMPRESSFRAMES.

Return Values
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.