Hi! A Anopheles wrote: > Hi there > > dvbcut is a great success at allowing me to chop ads etc from programs > that I capture from terrestrial digital television via mythtv. I usually > * chop captured material into useful MPG files. > * convert to xvid > * view xvid files on the computer or on my mpeg4-compatible domestic dvd > player. > > I would like to be able to avoid the conversion to xvid - it just takes too > long. So I'm trying to go to DVD as 'directly' as possible.
That should work on most DVD players. > I just captured from a channel that transmits in 720x576 @25fps (PAL), so I > was able to use dvbcut to slice it up, then make VOB files from the resulting > MPG without having to re-render or mess with anything else. > > The MPG files play ok on linux or windows, using mplayer, mediaplayerclassic, > and other players. > > However, the corresponding VOB files gradually (or stepwise) lose audio sync; > both when playing the VOB files on the computer, and after burning a DVD and > trying to watch it in my domestic DVD player. Did you remux the stream? And how did you create the VOBs? > I guess this might be because of occasional mangled blocks - the MPG players > seem to be able to handle these and stay in sync (though while playing the > MPG files I do notice occasional jumps or frozen frames). That's usually the reason, right. > I am using TMPGEnc to create the VOB files. I'm using a Windows software that came with my DVB-T receiver (Ulead Movie Factory 3, aka Filmbrennerei 2), and my A&V are perfectly in sync on the DVDs it generates. > Question: should I suspect that TMPGEnc is buggy, and that a different DVD > authoring system would be better at maintaining sync? > or > Should I give up on the idea of storing captured TV programs 'directly' to > DVD because imperfections in the recorded stream will always lead to loss of > sync somewhere in the processing chain? > or > Am I doing something wrong/forgetting some important step? I vote for the first option. But I don't know if TMPGEnc is buggy; I never used it myself. > Incidentally: > 1) sync loss: on the DVD eventually the video is progressively _delayed_, > i.e. the speech comes first and then the lips move. In the case of loss of > signal due to poor reception I imagine the video signal would be more likely > lost than the audio, and I would have expected the video to eventually end up > preceeding the audio (because of missing video frames). Or am I completely > confused? No you're right. Most packets are video packets, so the probability that the video stream is damaged is much higher. -- Michael "Tired" Riepe <[EMAIL PROTECTED]> X-Tired: Each morning I get up I die a little ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ DVBCUT-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dvbcut-user
