[mythtv-users] problem converting files

[Gary Dawes]

On 24/09/06, Paul Harrison <mythtv at dsl.pipex.com> wrote:
>
> Gary Dawes wrote:
> > Whenever I export a recording from my analogue (bt878) card, the
> > converted video is extremely blocky and pixilated, like a very low res
> > video at a high zoom. Doesn't matter if it's mpeg-4 or rtjpeg, or if
> > I'm converting to mpeg-2, or divx the result is the same. Nuvexport
> > and mytharchive produce the same output. I've tried various
> > combinations of settings covering most options with nuvexport.
> >
> > I've tried playing the files in a variety of players on linux and
> > windows, and a dvd made using mytharchive, on a standalone dvd player.
> >
> > I've never had a problem previously, I have several mpeg-2 files which
> > have been converted in the past. The problem is apparent on
> > recordings  recorded with either myth 0.20 or 0.19
> >
> > I'm running the latest release of knoppmyth, along with myth 0.20, the
> > latest ffmpeg from svn (updated yesterday), and the the latest
> nuvexport.
> >
> > Has anybody else had similar problems or any ideas?
> >
> > thanks
> >
> > gary
> >
>
> ffmpeg changed the meaning of the bitrate parameter -b from meaning
> Kbits/sec to bits/sec which is going to cause a few people some
> headaches I think. If you add the k suffix to the -b parameter then that
> should correct things. eg -b 5000 becomes -b 5000k
>
> I wonder if the k and M suffixes will also work for older versions of
> ffmpeg? Would make the fix a lot easier if it does otherwise it means
> having to detect what version of ffmpeg is available and change the
> parameter accordingly.
>
> Paul H.
>
>
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thanks paul, that did the trick. much appreciated

gary
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