On Mon, 1 Aug 2005, Fredrik Karlsson wrote:
On 8/1/05, Cory Papenfuss <[EMAIL PROTECTED]> wrote:
I just looked through this a bit. I must admit I haven't tried
it, but as far as I can tell from reading through the code, it starts out
by demuxing/remuxing the MPEG stream. That will break audio sync on
arbitrary ivtv captures.
Hi,
Ok, I had not realized this.. although I have acctually used these
scripts and my recordings are all IVTV captures, so I am not sure how
big a problem this is..
Changing strategy would probably be wise though..
/Fredrik
It's a very insidious problem. The ivtv chip will hiccup once
in awhile, and generated A/V offsets in the capture that break standard
demux/remux utilities. It doesn't happen most of the time. It does seem
to happen more often from tape captures (where I found it).
Unfortunately, all of the cut and/or burn scripts (nuvexport as a
big example) use this technique. It works 99% for 90% of the people out
there who never capture tapes. It works probably 60% of the time for the
8% of the people who don't do tapes, but have marginal reception. It
works 10% of the time for the 2% who capture from tapes.
In other words, most people don't notice the problem... but some
day they likely will... :)
-Cory
*************************************************************************
* Cory Papenfuss *
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
*************************************************************************
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