[mythtv-users] LiveTV is not playing

[Felix]

mythbackend.log was indeed my friend. here is what I saw:
2006-02-23 00:03:27.668 TVRec(1): Changing from None to WatchingLiveTV
2006-02-23 00:03:27.669 ChannelBase: Could not find input: Tuner 0 on 
card when setting channel 64

2006-02-23 00:03:27.669 TVRec(1) Error: Failed to set channel to 64.
2006-02-23 00:03:27.672 New DB connection, total: 3
2006-02-23 00:03:27.690 Connected to database 'mythconverg' at host: 
192.168.1.104
2006-02-23 00:03:27.697 TVRec(1) Error: Channel: '' was not found in the 
database.
                        Most likely, your DefaultTVChannel setting is wrong.
                        Could not start livetv.
2006-02-23 00:03:27.697 TVRec(1) Error: CreateLiveTVRingBuffer() failed
2006-02-23 00:03:27.697 TVRec(1) Error: Failed to create RingBuffer 2

And indeed, when I went to setup, Capture Card Setup - my default input 
was setup for Tuner0. If I pull down the available options - it doesn't 
show Tuner0 - just Tuner (and Composites, etc.). So, once I changed it 
to Tuner - everything started working!

Thank you very much for your help!
Felix

Ajay Sharma wrote:

>Felix wrote:
>  
>
>>I had MythTV working until about a month or so ago. Then I upgraded the 
>>kernel, and didn't have corresponding video drivers, and was lazy to 
>>compile myself, etc... So, I wasn't using much of video for awhile.
>>
>>Anyway, I recently upgraded everything to the latest that FC4 has to 
>>offer. So, I have MythTV 0.19, kernel 2.6.15-1.1831_FC4, latest ivtv, 
>>nvidia, etc. I can watch TV through "gmplayer -vo xv /dev/video0" with 
>>no problems. However, when I try to use MythTV to watch LiveTV I am 
>>getting the following erros in the log:
>>
>>22:59:33.351 TV: Attempting to change from None to WatchingLiveTV
>>22:59:33.356 Using protocol version 26
>>22:59:33.417 GetEntryAt(-1) failed.
>>22:59:33.418 EntryToProgram(0 at Wed Dec 31 16:00:00 1969) failed to get pginfo
>>22:59:33.418 TV Error: LiveTV not successfully started
>>22:59:33.418 TV Error: LiveTV not successfully started
>>22:59:33.432 TV: Deleting TV Chain in destructor
>>22:59:33.433 Disable DPMS
>>22:59:33.433 Enable DPMS
>>    
>>
>
>[snip ivtv info]
>
>  
>
>>any ideas what can be causing this problem?
>>    
>>
>
>I had the same 'failed to get pginfo' problem.  Did you go through
>myth-setup to reconfigure the cards?  When I did that I was getting some
>message about myth not being able to probe the cards.
>
>The difference (for me) is that myth is running as a 'mythtv' user
>instead of root.  So my /dev/v4l/* directory was owned by user 'root'
>and group 'video'.  I added the mythtv user to the video group, from my
>/etc/group file:
>
>video:x:27:root,mythtv
>
>And I rebooted just to make sure that the changes would take (very
>un-linux like, I know) and myth-setup was able to see the cards after
>that.  I reconfigured them, and was then able to get video.
>
>I was also getting some other permission problems like not being able to
>access /dev/ttyS0 to change the channel on my Dish receiver.  So I added
>the mythtv user to the tty group as well and that solved that.
>
>the mythbackend.log file is your friend.  :)
>
>--Ajay
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