[mythtv-users] 0.25 - livetv fails when starting on a specific channel

R. G. Newbury newbury at mandamus.org
Sun Mar 18 20:04:24 UTC 2012

On 03/18/2012 03:57 PM, Ronald Frazier wrote:
> On Sun, Mar 18, 2012 at 1:25 PM, Ronald Frazier<ron at ronfrazier.net>  wrote:
>> I'm running 0.25 from about a week ago. Today I discovered a case
>> where livetv consistently won't work if I start on a particular
>> channel. If I start on another channel and switch to that channel, it
>> works fine. However if I start on that channel it hangs for about 10
>> seconds before dumping back to the menu with the "error opening
>> jumpfile" message. However, I've noticed that even though it doesn't
>> playback, the 10 second file is created, and if I go into the
>> "recorded programs" screen and switch to the livetv group, the
>> recording is there and it plays fine. I also did some testing with
>> mplayer, where as soon as I start mythtv in livetv and it's waiting
>> for the video to start, I quickly switch to mplayer and begin to play
>> the mpg file, and the file works fine. So it's not a case where the
>> data isn't making into the file (or the data isn't being flushed) in a
>> timely manner, because mplayer is seeing it just fine at the same time
>> that myth can't.
> I did some more debugging on this. Turning off the AlwaysStreamFiles
> setting files seems to let playback work on this channel. I couldn't
> find that setting in the setup screens (was it removed in 0.25?) so I
> just disabled in the database and that took care of it. Still don't
> know why it's just that one channel that fails for streaming. Any
> ideas?

Which channel is it? And do you have any other info about that channel. 
Off the top of my head (ie a WAG), the channel does not correctly 
broadcast a PAT, PMT, PDA, ADA, IRS, CIA or other 3-letter acronym in 
the stream.

              R. Geoffrey Newbury			

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