[Mp4-tech] .avi or .y4m files to .yuv (4:2:0)

["김진영"]

Hi,
I want to convert some sequences in .y4m, .mov, .avi or .mpeg formats
into .yuv format (4:2:0)
Yong, 
I couldn't get to this page 
http://www.ee.columbia.edu/~ywang/Research/VisGenie
As Tuukka told,
"You could convert the .y4m files into uncompressed headerless
yuv files with Mencoder:
mencoder /video/stefan_sif.y4m -ovc raw -of rawvideo -vf format=i420 -o /tmp/xx.yuv
http://www.mplayerhq.hu"
I went to the above page and couldn't find 'Mencoder' downloadable.
Please help me,
janis
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