[MEncoder-users] removing duplicate frames from avi mp4 source file

[ted morris]

thanks Laine--

I'll give it a try.

t


On Thu, Sep 8, 2011 at 10:37 PM, L. Lee <llee040 at sbcglobal.net> wrote:

> Most of what I encode has to incorporate some kind of pullup, but when the
> duplicates are consistent, I can use "-vf framestep=2...". In other cases I
> force the  frame rate, such as "-fps 30000/1001 -ofps 24000/1001 -mc 0.1".
> That in of itself is not enough to accomplish pullup, but you might use the
> strategy if no pullup is required (maybe "-fps 15 -ofps 15" or something).
>
> Laine Lee
>
>
> On 9/8/11 8:27 PM, "ted morris" <ted.morris at gmail.com> wrote:
>
> > Greetings,
> >
> > I have these really big *.avi contained mp4 video files,
> > that were originally captured via OpenRTSP/live555 @
> > 15 fps. (1970x1440). x 1 hr .
> >
> > mencoder determines that there are duplicate frames
> > and then proceeds to encode the duplicates. Then, when playing
> > back the video, the video has these annoying little pauses
> > due to the duplicate frames -- and ofcourse makes the file
> > larger than it should be (~3 GB).
> >
> > I tried the -noencodeduplicat option but I get the same
> > result. I also use the -nosound option because
> > the videos don't have audio.(nor do I want it).
> >
> > I would prefer to still use lavc (ffmpeg codec) for my
> > processed avi file.
> >
> > Would anyone know a trick to get rid of the duplicate
> > frames?
> >
> > thanks for any suggestions in advance,
> >
> > t
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>
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