[Mp4-tech] how to convert cif to qcif

[Tuukka Toivonen]

On Fri, 15 Apr 2005, Amy, Mei-Hsuan Lu wrote:
> Does any one know any good algorithm/utility to convert CIF format to
> QCIF format (yuv file)?

Mencoder can do it on command line, something like:
mencoder -rawvideo on:w=352:h=288:fourcc=i420 -vf scale=176:144,format=i420 
-ovc raw -of rawvideo input.cif -o output.qcif
I haven't tested this, so you need read the documentation and add
any parameters I forgot:
http://www.mplayerhq.hu