[MPlayer-users] Seeking in MPEG2/MPEG4 streams

[Barnabas Hajas]

My computer is a 800MHz Celeron and yes I did test it and the
performance loss is noticeable. Monitor's refresh rate is not my
limiting factor at all. It runs at 60Hz and if I play a double (or
triple) speed video it looks a lot smoother when seeking forward.
MPlayer was always very famous of being efficient on hardwares very
different from each other. This is the number one property I really
like it for. I don't use FFMpeg, but libmpeg2, never used FFMpeg for
MPEG-2 decoding because it's slow as hell for this purpose including
seeking as well. So I was talking about libmpeg2 producing "incorrect
frames like that".

2010/1/4 Uoti Urpala <uoti.urpala at pp1.inet.fi>:
> On Mon, 2010-01-04 at 23:18 +0100, Barnabas Hajas wrote:
>> Answering to your idea - compiling Mplayer from git will give me fast
>> seeking - I don't care about picture being accurate for performance
>> loss. I do want those nasty blocks :) like in 1.0pre7 or 1.0rc1
>> because the more picture I see the more efficiently I can look for a
>> part in a movie clip, also I think they look cool. Do I need to mess
>> around with libmpeg2 if I want this "feature" or is there another
>> tricky command line option? ;)
>
> Is your machine really slow enough that any "performance loss" is
> noticeable? Did you actually test it? Most machines should be fast
> enough decoding mpeg2/4 video frames that monitor refresh rate is more
> likely to be the actual limiting factor on number of frames you can see.
>
> I think there's no way to make the FFmpeg decoder produce incorrect
> frames like that, so if you actually want to see them then you'll have
> to use libmpeg2.
>
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