[MEncoder-users] Near-lossless MPEG-2 (Was: High bitrate mpeg2 encoding problem)

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Mon Sep 3 11:13:37 CEST 2007


Hello,
On Mon, Sep 03, 2007 at 10:49:25AM +0200, Moritz Barsnick wrote:
> Are there any encoding (lavc) options recommended for least-lossy
> MPEG-2 compression, or do I just need to let mencoder do its best job
> (with whatever tweaks) within the given rate? Bitrate is not really an
> issue, as hinted above, but it should be possible in realtime (as it's
> TV capture) on a 2.8 GHz Pentium 4. Though encoding to MPEG-2 has never
> really max'd out my CPU.

vqscale=2 for high quality. vqscale=1 is also possible but the
documentation suggests it might lead to encoding errors.
keyint=1 encodes all frames as I-frames which usually increases quality
and encoding speed, but also size (by a lot).

Greetings,
Reimar Döffinger



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