On 7/2/11, Eric Wescott <wescotte@gmail.com> wrote:

I'm currently using mplayer/mencoder SVN build 33766 (2011-06-28) and the same date build on ffmpeg. I've tried many other builds over the past year or so and have the same result.

You can obtain the two source clips I use to demo the issue here

https://pantherfile.uwm.edu/wescott/public/Tape047-0115.m2t https://pantherfile.uwm.edu/wescott/public/Tape047-0116.m2t

Basically, I have a ton (70hours or so) of footage I'm using mencoder to perform a inverse telecine on. Then I'm taking this footage and transcoding to ProRes 422HQ for optimal performance in my NLE and composting software.

Anyway, here is the method I've used FFVHuffy: mencoder Tape047-0115.m2t -fps 30000/1001 -vf pullup,softskip,harddup,scale=1920:1080 -ofps 24000/1001 -ovc lavc -lavcopts vcodec=ffvhuff:aspect=16/9 -demuxer lavf -oac pcm -o Tape047-0115-FFVHUFF.avi

Huffyuv: mencoder Tape047-0115.m2t -fps 30000/1001 -vf pullup,softskip,harddup,scale=1920:1080 -ofps 24000/1001 -ovc lavc -lavcopts vcodec=huffyuv:pred=2:format=422P:vstrict=-1 -demuxer lavf -oac pcm -o Tape047-0115-HUFFYUV.avi

Most of the files appear to be correct but maybe 5-10% of them have strange noise issues. The links above are two such examples. The strange thing is sometimes both produce the noise and sometimes it's just one or the other. Any idea what's causing this issue and how I can resolve it?

Thanks Eric Wescott

Thank you for providing samples. r33795 should fix it for you.