[mythtv-users] NUV to DVD, at last!

[Steven Adeff]

On 5/9/06, Donn Lee <sharky at gmail.com> wrote:
> I just want to report that I have refined my HD2DVD process such that
> it is completely GUI-less. This allows me to cron all my HD to DVD
> conversions.
>
> I easily spent over 12 hours researching, testing, and troubleshooting
> projectx and ffmpeg to do this. After getting no where for hours, I
> found one gem of information inside a mytharchive script. Thank you
> mytharchive/mythburn :)
>
> A final issue was resolved with a search on this list (projectx not
> demuxing hd correctly).
>
> I have documented my process on my blog. Hopefully this info will save
> others all the hours I burned.
>
> Donn
>
> On 5/4/06, Donn Lee <sharky at gmail.com> wrote:
> > Thanks to the bits of info from this fine list and articles I googled
> > on the web, and after much trial and error, I finally have a recipe
> > for NUV/ATSC--->DVD that works reliably for me.
> >
> > I've documented my recipe as a HOWTO in my blog
> > (http://mymythtv.blogspot.com). Maybe it will be helpful to others.  I
> > know that several helpful folks have posted their recipes and I have
> > learned from each of them.  There were some "learnings" that I
> > encountered that I did not see elsewhere and I tried to document this
> > issues and solutions.
> >
> > Quick synopsis:
> >
> > The biggest problem I had was audio/lip sync. This is fixed with
> > ProjectX. ProjectX took me a while to get installed & running and I
> > documented it on my blog. I have spent hours (days?) trying various
> > tools to 'fix' the hdtv .nuv mpeg files, and so far only projectx does
> > the corrections automagically. Awesome tool.
> >
> > PX demuxes & creates two files (from the nuv/atsc hidef files created
> > by MythTV): One for video, one for audio. This presented a new
> > problem, what tool(s) to use to convert the video file to the DVD
> > standard. After much reading, I settled on avidemux2. The next problem
> > was that I needed to run avidemux2 on my fast P4 server (because
> > encoding takes a lot of cpu), but my fast server is my myth frontend
> > and that has a plasma monitor. The plasma monitor does not support the
> > high resolutions that PC monitors have, and this is important because
> > when you load a HD file in avidemux the window is sometimes so large
> > that you can't see all of the controls/buttons! So, I ran avidemux
> > remotely via X11 over ssh. To get around a weird error with GTK (used
> > by avidemux), I hunted and learned that I needed to run ssh with the
> > "-Y" switch. sheesh.
> >
> > Back to video: Following one of the many guides on avidemux, I
> > converted the hdtv mpg video to dvd format. You can also edit out
> > commercials in this tool. Then I used mplex to mux the dvd format
> > video with the ac3 audio file created by projectx. This .mpg file is
> > ready for dvdauthor, and after that it's showtime..
> >
> > I really wanted to use other recipes I saw, but was forced to use
> > projectx due to the typical glitches that will be in most atsc/hdtv
> > recordings. If anyone has suggestions on optimizing my steps, please
> > post.
> >
> > I'm now able to free up disk space on my mythtv backend by archiving
> > (compressing) to DVD. Audio sync is perfect and video quality is very
> > good for the archiving I need. Thanks to the discussions here, I would
> > not have been inspired to climb this mountain.
> >
> > I have not tried avidemux in command line mode and would be very
> > interested if anyone here does this.


thanks for Top-Posting...

Did you disable B-frames for xvid? From my understanding the B-frame
problems have not been fixed.

--
Steve
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