Thanks for this! I had been waiting for ffmpegx to come out in universal. I thought that isquint was just for ipod (small format) conversion. I just checked it out, and it is perfect for what I want to do.
I'm using the command line of the nightlies (4/6/06 build) to transcode from mpeg2 to .mp4. On one run, it generates a perfect quicktime file (m4v, m4a). Then, I change the cropping from (croptop=48, cropbottom =48) to (croptop=56, cropbottom=56), and the resulting file no longer opens. The first ou...