patrick wrote: > hi, > > i am trying to find the good resize (-Z) / crop (-Y) for transcoding > this format: > > [transcode] V: import frame | 720x480 1.50:1 encoded @ 16:9 > > to a 640x480 fullscreen. of course i will loose information (right / > left). but i am wondering if i do the right thing: > > -Z 854x480 > [transcode] V: zoom | 854x480 1.78:1 (Lanczos3) > [transcode] warning: left/right clip must be even in YUV/YUV422 mode > > -Y 0,107,0,108 > [transcode] V: clip frame (->) | 640x480 > [transcode] V: bits/pixel | 0.196 > > i don't like the warning... but the result is a 640x480 and it looks > like the aspect ratio (16:9) has been kept. any advice on this?
--pre_clip 0,104,0,104 -Z 640x480 --zoom_filter Mitchell