[mythtv-users] No Livetv on frontend without backend

Noah Swint nswint at hotmail.com
Mon Apr 23 20:26:25 UTC 2007


> On 23/04/07, Noah Swint <nswint at hotmail.com> wrote:
>> I can't watch livetv on any of my frontends unless there is a backend
>> running on the machine.  When I select Watch TV. The screen flashes then
>> goes back to the main menu.  Below is what is logged on my master
>> backend
>>
>> 2007-04-23 13:57:03.052 MainServer::HandleAnnounce Monitor
>> 2007-04-23 13:57:03.058 adding: sucrose as a client (events: 0)
>> 2007-04-23 13:57:03.059 MainServer::HandleAnnounce Monitor
>> 2007-04-23 13:57:03.060 adding: sucrose as a client (events: 1)
>>
>>
>> This is from the backend of slave machine that has a frontend as well.
>> Nothing shows up on the master backend.
>>
>> 2007-04-23 14:23:27.498 MainServer::HandleAnnounce Playback
>> 2007-04-23 14:23:27.516 adding: mothra as a client (events: 0)
>> 2007-04-23 14:23:27.617 TVRec(17): Changing from None to WatchingLiveTV
>> 2007-04-23 14:23:27.628 TVRec(17): HW Tuner: 17->17
>> VIDIOCGCHAN: Invalid argument
>> strange error flushing buffer ...
>
> You appear to have had very many (at least 17 from the TVRec msg)
> capture cards defined in MythTV. If you are trying to launch LiveTV
> and MythTV is picking a capture card that is not working properly -
> there seems to be an ivtv? error message in the log above - then
> LiveTV will fail. There is an option to avoid LiveTV/recording clashes
> which will choose the lowest priority TV card for watching LiveTV.

It it working properly. It is a bit problematic with lost sound
occasionaly but was working while I was testing it.

> How many capture cards do you have in all of your systems? When you
> try to watch LiveTV on a frontend and it fails, what do you see in the
> *frontend* logfile. Turn on playback logging in your frontends and
> record logging in your backends on your MythTV network.

6 Total.  I have logging enabled on all of the frontends The only saw of
the failing remote frontends was from below

2007-04-23 13:57:03.052 MainServer::HandleAnnounce Monitor
2007-04-23 13:57:03.058 adding: sucrose as a client (events: 0)
2007-04-23 13:57:03.059 MainServer::HandleAnnounce Monitor
2007-04-23 13:57:03.060 adding: sucrose as a client (events: 1

> If you are using an ivtv card, does it work outside of MythTV (i.e.
> command line or in mplayer)?

Right now I have 1 PVR350 and 1 HDHomerun on the Master backend (Inputs
1,15,16)  Making 3 tuners(2 for the hd homerun)
I have 3 slave backends each with 1 wintv card (Inputs 14,17,18). For a
total of 6  I've had problems with 0.19 where my one of my cards would
stop working and it would have to be deleted and setup again in in mythtv
setup.  That stopped with 0.20 and after 13 failures.

The ivtv pvr350 captures data using mplayer.. as last I tested 2 years ago
when I setup mythtv.


*** Something different happened just now *** Tuner 1 was in use and it
sent me to Tuner 16, which is my hdhomerun.  I was able to view on my
remote frontend without a backend.

2007-04-23 16:16:22.306 MainServer::HandleAnnounce Monitor
2007-04-23 16:16:22.334 adding: sucrose as a client (events: 0)
2007-04-23 16:16:22.337 MainServer::HandleAnnounce Monitor
2007-04-23 16:16:22.338 adding: sucrose as a client (events: 1)
2007-04-23 16:16:22.340 Reloading backend settings
2007-04-23 16:16:22.344 Received a remote 'Clear Cache' request
2007-04-23 16:19:54.836 MainServer::HandleAnnounce Monitor
2007-04-23 16:19:54.865 adding: sucrose as a client (events: 0)
2007-04-23 16:19:54.875 MainServer::HandleAnnounce Monitor
2007-04-23 16:19:54.893 adding: sucrose as a client (events: 1)
2007-04-23 16:19:54.920 MainServer::HandleAnnounce Playback
2007-04-23 16:19:54.922 adding: sucrose as a client (events: 0)
2007-04-23 16:19:55.035 TVRec(16): Changing from None to WatchingLiveTV
2007-04-23 16:19:55.045 TVRec(16): HW Tuner: 16->16
2007-04-23 16:19:57.981 Finished recording Who Wants to Be a Millionaire:
channel 4081
2007-04-23 16:19:58.084 scheduler: Finished recording: Who Wants to Be a
Millionaire: channel 4081
2007-04-23 16:19:58.167 Finished recording Who Wants to Be a Millionaire:
channel 4081
2007-04-23 16:19:58.204 Preview Error: Previewer file
'/mnt/store//4081_20070423161955.mpg' is not valid.
2007-04-23 16:20:15.712 TVRec(16): Changing from WatchingLiveTV to None
2007-04-23 16:20:15.945 Finished recording Who Wants to Be a Millionaire:
channel 4081
2007-04-23 16:21:57.789 MainServer::HandleAnnounce Monitor
2007-04-23 16:21:57.795 adding: sucrose as a client (events: 0)
2007-04-23 16:21:57.802 MainServer::HandleAnnounce Monitor
2007-04-23 16:21:57.803 adding: sucrose as a client (events: 1)
2007-04-23 16:21:57.816 MainServer::HandleAnnounce Playback
2007-04-23 16:21:57.850 adding: sucrose as a client (events: 0)
2007-04-23 16:21:57.855 TVRec(16): Changing from None to WatchingLiveTV
2007-04-23 16:21:57.884 TVRec(16): HW Tuner: 16->16
2007-04-23 16:21:57.891 HDHRChan(1010c8a4/1): device found at address
192.168.2.178
2007-04-23 16:22:00.064 Finished recording Who Wants to Be a Millionaire:
channel 4081
2007-04-23 16:22:00.160 Finished recording Who Wants to Be a Millionaire:
channel 4081
2007-04-23 16:22:00.242 Preview Error: Previewer file
'/mnt/store//4081_20070423162157.mpg' is not valid.
2007-04-23 16:22:03.964 TVRec(16): Changing from WatchingLiveTV to None
2007-04-23 16:22:04.098 Finished recording Who Wants to Be a Millionaire:
channel 4081



> Nick
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