[mythtv-users] Extracting QAM streams outside of Myth
Preston Crow
pc-mythtv06a at crowcastle.net
Wed Jun 14 18:17:42 UTC 2006
On Tue, 2006-06-13 at 14:17 -0600, Brian Wood wrote:
> On Jun 13, 2006, at 2:13 PM, Preston Crow wrote:
>
> > I've got Myth recording from QAM, but in going through and looking for
> > channels, I see dvbtraffic reporting a number of different streams,
> > and
> > I would like to be able to save a bit of each stream and try to figure
> > out what it is. (Might some of the low-bandwidth streams have useful
> > data?)
> >
>
> You can tune the card with azap or the like and then just save the
> output of the device to a file, or just watch it directly with
> mplayer or your favorite substitute.
Yes, I tune with azap, and then the device file puts out the entire
channel, not just one of the many streams. I want to find out how to
extract one of those streams. Obviously mplayer has some way of doing
this internally, but unless it can act as a pass-through without looking
at the data, that doesn't help me for streams that it might not
recognize.
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