[MEncoder-users] mencoder size and aspect ratios for H.264 video

[John Ratliff]

Brian Penick wrote:
> Just out of curiousity did you run a crop detect on the video first?
> Cropping to 720:352 before the scale seems like the wrong numbers.  At most
> you would need to crop to 720:464:0:X (where X is the off set suggested by
> the cropdetect filter). Check your numbers for the crop again and adjust
> them or leave the crop out altogether and go for a
> scale=640:352,dsize=640:360.  That should take care of your incorrect aspect
> ratio.  Your problems aren't with mkv-merge, currently you are most likely
> cropping out huge chunks of actual video. Also you can probably leave out
> the force aspect ratio.
>   
I will look into the dsize option, but yes, I did do cropdetect. I think
perhaps the movie was letterboxed into 16:9.
> [CROP] Crop area: X: 0..719  Y: 58..417  (-vf crop=720:352:0:62)

--John Ratliff