[mythtv-users] Extracting QAM streams outside of Myth

[Preston Crow]

On Wed, 2006-06-14 at 12:28 -0600, Brian Wood wrote:
> On Jun 14, 2006, at 12:17 PM, Preston Crow wrote:
> 
> > 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.
> 
> 
> I thought you could generate a channel list with the scan command  
> from dvb-apps, which would give you a list of each individual stream,  
> you would then tune the individual stream with azap and play it with  
> mplayer.

Not all of the streams are watchable channels.  I still want to extract
them to find out what they are.