From mpeg to flv: ffmpeg -i infile.mpeg -deinterlace -ar 44100 -r 25 -qmin 3 -qmax 6 outfile.flv
ffmpeg -i infile.mpeg -deinterlace -ar 44100 -r 25 -qmin 3 -qmax 6 outfile.flv
From ogg to flv: ffmpeg -i yum.ogg -b 384000 -pass 1 yum.flv
ffmpeg -i yum.ogg -b 384000 -pass 1 yum.flv