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problems with TS files.
PostPosted: Mon Jan 19, 2004 5:45 pm Reply with quote
bopfer
 
Joined: 20 Nov 2003
Posts: 5




I am having problems with the TS files that are saved to my hard drive. I am using "getatsc" to record and sometimes the TS files will be good but most of the time they seem to be corrupt in some way. I am trying to convert to MPEG program streams, but all the tools I use don't work. I have tried the DVB tools 'dvb-mplex" and I get errors like this:

Warning pts difference seems too large.You may have to set audio or video
delay by hand

Other tools tell me that the TS file is an MPEG1 file. Tools on Windows like HDTVtoMPEG2 don't work either.

The only thing I have been able to do is use the -dumpvideo and -dumpaudio options of mplayer. That gives me an mpeg2 and ac3 file. But if I try to encode them from there the audio delay is off.

So, I basically have 2 questions.

1. Is anyone else having problems with their TS files? and does anyone know how to fix them?

2. If I can't fix the TS files, does anyone know how I can get the audio delay from the TS files so that I can use it when I encode the demuxed audio and video files? I have been guessing and I can get the sync right sometimes, but it is a pain.

I am using Redhat 9.0 with the updated drivers from the website.

Thanks,
Bryan Opfer
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PostPosted: Tue Sep 28, 2004 6:38 pm Reply with quote
kb7oeb
 
Joined: 23 Mar 2004
Posts: 32




You could try converting it with mencoder, it comes with mplayer and uses most of the same options as mplayer
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Re: problems with TS files.
PostPosted: Tue Sep 28, 2004 6:55 pm Reply with quote
pdicamillo
 
Joined: 09 Mar 2004
Posts: 68
Location: Needham, MA




If you have access to a Mac running OS X, MPEG Streamclip at http://www.alfanet.it/squared5/mpegstreamclip.html works very well for extracting audio and video files that are in sync.

I don't know how to determine the audio offset, but if you can determine it, there are programs which will apply the offset correction to an AC-3 file, such as AC3 Delay Corrector here: http://home.t-online.de/home/520072193568-0001/
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Re: problems with TS files.
PostPosted: Thu Sep 30, 2004 11:08 pm Reply with quote
inkling
 
Joined: 05 Feb 2004
Posts: 342




getatsc isn't robust enough to do what you want.

Without a robust capture tool, you will not get the results you are looking for.

You should look at other tools.

Try dtvstream, pchdtvr or mythTV.

Read the latest messages on the forums for information about all of these.

Good Luck!
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problems with TS files.
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