[mythtv-users] Extracting Mpeg2 streams from NUV (for DVD playback)

Aaron Stewart acs at hourglassone.com
Mon Sep 15 12:59:58 EDT 2003


There's an option in test_ioctl from ivtv to output in dvd compliant
mpeg2 rather than the default MPEG2-PS..

Use:

/usr/bin/test_ioctl -c stream_type=10

Or something to that effect.. Don't know if it'll help, but it's a step.

Cheerz,
Aaron

On Mon, 2003-09-15 at 10:43, Roy Hooper wrote:
> Hi!
> 
> I'm starting to work on the ability to extract PVR-250 Mpeg-2 streams 
> from .NUV and prepare them for burning to DVD in a format playable by 
> any DVD player.  Ideally, I want to do this without re-encoding the files.
> 
> I've been digging around in google, the list archives, looked at 
> mythtranscode, and nuvexport, and see nothing that will do what I want 
> (reliably).  Mythtransocde/nuvexport, while very promising, decode the 
> streams. 
> 
> I've successfully extracted the mp2/3 audio and the mpeg2 video from the 
> .nuv using tcextract, however when remuxing them with tcmplex, the audio 
> is usually out of sync.  dcdemux always barfs with
> (demuxer.c) invalid program stream packet size (1984/2048)
> and the result, while "file" says its an mpeg system stream, the result 
> is unplayable under windows where I have a known working and fairly 
> picky Mpeg-2 player (good for testing pre-dvd creation)...  However, the 
> tcextract and then remuxed versions play fine, but with audio sync issues.
> 
> Any advice on where to look/start would be hugely appreciated.  I'm sure 
> I can't be the only person who wants to archive PVR-250 recorded shows 
> to regular DVD format?
> 
> Roy
> 
> 
> 
> 
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