[mythtv-users] Problem with selecting channels on a composite input to an HVR-1300
Michael T. Dean
mtdean at thirdcontact.com
Sun Sep 19 19:08:47 UTC 2010
On 09/19/2010 12:51 PM, George Poulson wrote:
>
> I have a fully working system of two frontend MythTV boxes and single
> backend using a Hauppauge Nova DVB-S2 card .. all works fine - live
> tv, recording, playback .. no problems at all.
> I'd now like to be able to record some programmes from 'pay' channels
> which we receive via a subscription service on a separate DVB-S
> receiver, and to (hopefully!) achieve this I have added a Hauppauge
> WinTV HVR-1300 card that I had lying around to the backend, and this
> is detected correctly by the kernel on boot.
>
> I have connected the composite video output from the external receiver
> to the input of the HVR-1300 and if I run 'tvtime' on the backend I
> can select it ("tvtime -d /dev/video1") and watch it with no problems,
> but my problem is how to configure the input to this card in Myth.
http://www.gossamer-threads.com/lists/mythtv/users/232857#232857
> I may at some point also like to also use the DVB-T input on this
> card, but for now I don't have a good enough antenna, so that can wait.
>
> I have read countless howtos and FAQs and set up the card as best I
> can, but I can't work out how to associate any new channels with the
> card. Ultimately I will probably use something like the 'dusky
> control' to change channels on the external receiver, but for now I'd
> be happy to be able to change channels manually and just be able to
> watch/record the input in Myth.
>
> The card is identified as [V4L:/dev/video1] , Analogue V4L Capture
> Card, with the default input set to 'Composite1'. I use 'Radio Times
> XML' as my [only] video source and have my current DVB-S channels from
> the Nova card correctly linked to these schedules, and for now I also
> have the HVR-1300 linked to this ('Input Connections :
> [V4L:/dev/video1] (Composite) -> RadioTimes XML') but I cannot figure
> out how to add some new channels in the channel editor such that when
> I select them Myth knows that a particular chanel is to be found on
> the external Composite input and not on the DVB-S2 card. I have left
> the 'External channel change command' box blank,
Can't be blank. See post above.
> though ultimately I will have an entry in here to change channel on
> the external sat box; I also have no clue what to enter into the
> 'Preset tuner to channel' or 'Starting channel' boxes. I have also
> tried scanning for channels in the 'Connect source to input' screen,
> but I get a whole list of unidentified channels which when I try to
> select one from the front end, the screen goes blank (black) for a
> while and then the error message "Irrecoverable recorder error" and
> the backend log shows:
>
> 2010-09-19 17:25:39.403 TVRec(5): HW Tuner: 5->5
> 2010-09-19 17:25:39.601 DVBChan(5:/dev/dvb/adapter0/frontend0)
> Error: SetChannelByString(9999): Failed to initialize multiplex options
> 2010-09-19 17:25:39.609 TVRec(5) Error: Failed to set channel to
> 9999. Reverting to kState_None
See above.
>
> This tells me that Myth is trying to tune to this channel (which I
> have set up using 'Create new channel' as Channel 9999) on Tuner 5
> (/dev/dvb/adapter0/frontend0 - my internal DVB-S2 card) and not on the
> HVR-1300's composite input. In mythweb my DVB-S2 input appears as
> Encoder 5 and the second input as Encoder 11 ((as a complete aside,
> these numbers seem to increment every time I remove and re-add a card
> - is there any way to reset them to (say) 1 and 2?))
Video sources portion of
http://www.gossamer-threads.com/lists/mythtv/users/264034#264034 .
> So: How do I tell Myth that certain channels (which I will probably
> want to set up manually rather than scanning for) are on the external
> composite input to the HVR-1300, and that to tune this specific
> channel I will need to use a comand or script run outside of Myth to
> send a command to the external receiver to tune to (say) Animal Planet
> on channel '525', whereas other channels are already set up and
> working on the internal DVB-S2 card?
>
> I can see where I define the command to run to change the channel; I
> just can't see where to associate certain channels with certain input
> cards.
>
> Sorry if this turns out to be a 'dumb' question, but I've been
> battling with this for the whole weekend :-s
I think those links should answer all your questions. They're
definitely not dumb questions--it's not an intuitive process.
Mike
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