[mythtv-users] Help converting HD recording to burn to dvd

Byron Poland wpoland at gmail.com
Fri Oct 14 21:37:07 UTC 2005


On 10/14/05, Steve Adeff <adeffs at gmail.com> wrote:
> On Friday 14 October 2005 16:53, Byron Poland wrote:
> > On 10/13/05, Steve Adeff <adeffs at gmail.com> wrote:
> > > On Wednesday 12 October 2005 20:27, Byron Poland wrote:
> > > > I am recording something for a friend.  I have an HD only back end.
> > > > Does anyone have a formula for going from a HD mpeg2 stream to a DVD
> > > > compatible mpeg2 stream?
> > > >
> > > > Thanks.
> > >
> > > run through ProjectX, edit and convert in avidemux2.
> > >
> > > Steve
> >
> > Thanks for the tip.
> >
> > I recorded the nova einstein e=mc2 program from pbs, and ran it
> > through  the demuxer on ProjectX, and got a ton of errors, and an
> > audio stream only.  full program stream plays fine on my  frontend.
> >
> > I'm currently running the mpeg through mplayer to rescale, and dump to
> > yuv and piping the yuv output to mpeg2enc to encode back to the dvd
> > complient stream.
> >
> > I'm a little baffled though as the original program stream seems to be
> > a mix of 24fps and 30fps.  Mplayer is dumping the following messages
> > as it dumps to yuv:
> >
> > demux_mpg: 24fps progressive NTSC content detected, switching framerate.
> > V:71858.3 20301/19944 36% 98%  0.0% 0 0 43%
> > demux_mpg: 30fps NTSC content detected, switching framerate.
> > Warning! FPS changed 23.976 -> 29.970  (-5.994000) [4]
> > V:71863.9 20468/20107 36% 98%  0.0% 0 0 36%
> > demux_mpg: 24fps progressive NTSC content detected, switching framerate.
> >
> > The errors in ProjectX and then the multiple fps all seem strange to me.
>
>
> are you performing any inverse telecine or deinterlacing? I use avidemux2, and
> am not too familiar with what mencoder has, but I'm sure it has a deint
> capable of handling mixed interlacing methods.
>
> Steve
>


Not that I know of...

Maybe I'm missing something.. when you demux in projectX, do you then
bring the seperate audio and video streams into avidemux2?  Also with
this program I I didn't even get a video stream output from demuxing
in projectX.


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