[mythtv-users] MPEG2 Editing

[Brian May]

>>>>> "Ed" == Ed Wildgoose <lists at wildgooses.com> writes:

    Ed> Jason Lee wrote:
    >> This may be slightly off-topic, but I'm curious as to what
    >> others are using to edit videos.  I have a PVR-250, so I have
    >> MPEG2 files to edit.

    Ed> I think you will find that Avidemux2 (recent versions) works
    Ed> well for basic editing.  It can create DVD format vobs for
    Ed> output as well.  It's no good for adding fades, etc though.
    Ed> See some of the windows software once you want to go past the
    Ed> basics.

Whether true or not, it isn't the first time I have heard open source
video editing software is behind compared with windows/proprietary
alternatives.

What software (regardless of OS and license) would you use for this
advanced editing? 

Is this software clever enough to allow key-frame/I frame only edits,
and then only recompress stuff that needs to be recompressed, or will
it blindingly recompress everything?

Also, a limitation of avidemux2 seems to be that it can't edit DVB
shows (MPEG4 I believe).

What is the difference between MPEG4 and MPEG2? So far I gather MPEG4
is for low bit rates, I assume some compromises were made to allow for
lower bit rates?
-- 
Brian May <bam at snoopy.apana.org.au>