[mythtv-users] HDHR QAM: Streams ok to VLC but not Mythtv
guierrmo at gmail.com
Wed Jan 3 14:46:30 UTC 2007
On 1/3/07, R. G. Newbury <newbury at mandamus.org> wrote:
> P S wrote:
> > On 1/2/07, R. G. Newbury <newbury at mandamus.org> wrote:
> >> P S wrote:
> >>> I'm using and HDHomerun to tune QAM256 on comcast. Most channels are
> >>> fine but there are a few that will tune and lock but will not display
> >>> in live TV or recorded programs. Xine will play, but there is not
> >>> audio.
> >>> I'm running trunk svn 12306.
> >> Did you run a channel scan recently? When you did the SVN upgrade?
> >> Geoff
> >> _______________________________________________
> >> mythtv-users mailing list
> >> mythtv-users at mythtv.org
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> > I ran a scan many times, even deleting the source and starting from scratch.
> > I think I upgraded 12/20/2006
> Try this:
> Make a backup of the mythconverg database.
> Make a separate backup of the cardinput, capturecard, dtv_multiplex and
> channel tables.
> Then delete all your cards and sources and start again in mythtv-setup.
> Confirm that cardinput, capturecard, dtv_multiplex and channel tables
> are empty,
> When you get to 3> Input Connections, assign the source to your
> HDhomeRun, and do a channel scan using your HDHR. Make sure NOT to check
> the 'Unencrypted Channels' box. This worked for me recently (hat tip to
> JW. for the pointer). You do end up with a channel table containing
> entries for EVERY digital stream, however. I had 454. Then you have to
> check every channel to find the ones you can actually receive...very boring.
> Between cable co's. changing how they transmit channels, and something
> going on with the scanner, cards are being set up improperly, in part
> because the scanner is being given garbage by the cableco. For example
> it appears that Rogers Cable in Toronto is marking all channels as
> encrypted... So a 'Unencrypted' only scan gets nothing and an
> 'Encrypted' scan gets every stream, but not necessarily correctly.
> It is unconfirmed but I think that certain settings in capturecard and
> cardinput get set wrongly too, if you do an 'Unencrypted' scan.
> Keep your backups please. They may be useful to those who actually
> understand how the code works.
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> mythtv-users at mythtv.org
Doing this I'll have to readd all my xmlids, right? As my provider
does not have them defined for QAM.
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