[ ... ] > This 4:2:0 format is of special importance as it is the input > format used for D2-MAC and MPEG-2 (MP@ML) coding. Encoders for mpeg2, H.263 + friends usually accept *planar* 4:2:0 as input. > I've tried but failed to find the ITU specification itself online The ITU wants $$$ for the recommendations, they are not available online. You might find the lastest draft version for some of them if you know where to look. videoconferencing related stuff can be found on ftp://standards.pictel.com for example. Gerd -- Gerd Knorr <kraxel@xxxxxxxxxxx>
