Hi Dan,
> I'd just use masks to crop the top and bottom out, have you tried using
> masks (the "Edit Mask" button on the left side of the compositor window)?
Originally that's what I was doing, but found that adjusting the viewport
was more convenient. Turns out that the yuv4mpeg approach is pretty
simple and fits in with my existing pipeline. First, I render my
(deinterlaced) project to a yuv4mpeg stream and then either encode with
x264 into a qt7 compatible mp4 or encode back to DV.
For mp4:
x0="-B 2000 -b 2 --no-psnr --progress --stats .x264"
x1="-m 1 --me dia -A none"
x2="-m 6 --me umh -A p8x8,b8x8,i4x4,p4x4"
x264 $x0 $x1 --pass 1 -o /dev/null mymovie.y4m # 25fps
x264 $x0 $x2 --pass 2 -o mymovie-v.mp4 mymovie.y4m # 8fps
faac mymovie.wav -w -o mymovie-a.m4a # encode audio
MP4Box -add mymovie-v.mp4 -add mymovie-a.m4a -new mymovie.mp4 # mp4
For dv:
y4mscaler -O size=720x480 -O active=720x320+0+80 < myvideo.y4m |
ffmpeg -y -i - -i myvideo.wav -target ntsc-dv myvideo.dv
Alec
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