[MEncoder-users] How to join avi files with x264 streams?

Josef Wolf jw at raven.inka.de
Fri May 7 08:00:15 CEST 2010


I have captured my old VHS recordings with mencoder and created x264 avi's
using two-pass with those options:

  -ovc x264 -x264encopts bitrate=800:pass=2:subq=7:frameref=15:subq=6:frameref=15:me=umh:partitions=all:8x8dct:direct_pred=auto:me_range=64:trellis=2:bframes=5:b_pyramid:weight_b:threads=auto:nr=1000

In the next step, I want to join some of those files. I tried:

  mencoder -ovc copy -oac copy -o outfile.avi file1.avi file2.avi 

But the resulting file has some strange artefacts in the first ten seconds
after the join position (that is, in the first ten seconds of file2.avi)
which are _not_ present in the original file2.avi.

Why does "-ovc copy" do any manipulations on the stream?

Any ideas?

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