[mythtv-users] Minimum backend specs?

Cristo Saulo Bolaņos Trujillo cbolanos at telefonica.net
Wed Apr 5 19:51:27 UTC 2006


I run mythbackend in a amd k7 at 700 and runs perfectly version 0.18 (0.19
introduces a delay like the one you're experimenting).

Really, if you don't use transcoding, don't need a powerfull system.

On Wed, Apr 05, 2006 at 05:45:26PM +0000, Dom H wrote:
> It seems my issues are more with my Nova-T card and 0.19 than physical 
> hardware specs. I'd still be intrested to hear what specs I should aim for 
> building a backend machine though.
> 
> Regards
> 
> Dom
> 
> 
> >From: "Dom H" <speedsix80 at hotmail.com>
> >Reply-To: Discussion about mythtv <mythtv-users at mythtv.org>
> >To: mythtv-users at mythtv.org
> >Subject: [mythtv-users] Minimum backend specs?
> >Date: Wed, 05 Apr 2006 17:12:24 +0000
> >
> >Hi,
> >
> >I setup a Knoppmyth (based on Mythtv 0.19) backend on an old dell Celeron
> >700mhz/384MB system and streaming recordings worked great but streaming 
> >live
> >tv to my frontend (amd64) was terribley slow. Changing channels took
> >20-30secs. Console log was as follows..
> >
> >
> >2006-03-31 23:25:54.293 TV: Attempting to change from None to 
> >WatchingLiveTV
> >2006-03-31 23:25:54.302 Using protocol version 26
> >2006-03-31 23:25:58.127
> >RingBuf(myth://10.0.0.4:6543/1035_20060331232554.mpg): Waited 2 seconds for
> >data to become available...
> >2006-03-31 23:25:59.565
> >RingBuf(myth://10.0.0.4:6543/1035_20060331232554.mpg): Timing out wait due
> >to impending livetv switch.
> >0: start_time: -9223372036854.775 duration: -9223372036854.775
> >stream: start_time: -9223372036854.775 duration: -9223372036854.775
> >bitrate=0 kb/s
> >2006-03-31 23:26:02.558 AFD: Opened codec 0x8326b70, id(MPEG1VIDEO)
> >type(Video)
> >2006-03-31 23:26:02.558 NVP: Disabling Audio, params(-1,-1,-1)
> >2006-03-31 23:26:02.558 NVP: Disabling Audio, params(0,-1,-1)
> >2006-03-31 23:26:03.475 TV: Changing from None to WatchingLiveTV
> >2006-03-31 23:26:03.477 New DB connection, total: 3
> >2006-03-31 23:26:03.567 Connected to database 'mythconverg' at host:
> >10.0.0.4
> >2006-03-31 23:26:03.610 Realtime priority would require SUID as root.
> >[mpeg1video @ 0xb74e87c4]qscale == 0
> >[mpeg1video @ 0xb74e87c4]Warning MVs not available
> >2006-03-31 23:26:04.344 LiveTV forcing JumpTo 1
> >2006-03-31 23:26:04.475 Video timing method: USleep with busy wait
> >2006-03-31 23:26:04.837 NVP: prebuffering pause
> >2006-03-31 23:26:05.656 NVP: Prebuffer wait timed out 10 times.
> >2006-03-31 23:26:06.306 rebuffering (1 32768)
> >2006-03-31 23:26:06.479 NVP: Prebuffer wait timed out 10 times.
> >0: start_time: 7073.167 duration: 0.900
> >1: start_time: 7073.159 duration: 0.842
> >2: start_time: 7073.159 duration: 0.909
> >3: start_time: 7073.159 duration: 0.909
> >stream: start_time: 78590.652 duration: 10.096 bitrate=3395 kb/s
> >2006-03-31 23:26:07.489 AFD: Opened codec 0xac7164e0, id(MPEG2VIDEO)
> >type(Video)2006-03-31 23:26:07.538 AFD: Opened codec 0xac716a60, id(MP3)
> >type(Audio)
> >2006-03-31 23:26:07.538 AFD: Opened codec 0xac716fe0, id(DVB_SUBTITLE)
> >type(Subtitle)
> >2006-03-31 23:26:07.538 AFD: Opened codec 0xac717560, id(MP3) type(Audio)
> >2006-03-31 23:26:07.559 Opening audio device '/dev/dsp'.
> >2006-03-31 23:26:07.559 Opening OSS audio device '/dev/dsp'.
> >2006-03-31 23:26:07.622 NVP: Enabling Audio
> >2006-03-31 23:26:07.783 NVP: Prebuffer wait timed out 10 times.
> >2006-03-31 23:27:10.894 NVP: prebuffering pause
> >
> >
> >Thanks
> >
> >
> >_______________________________________________
> >mythtv-users mailing list
> >mythtv-users at mythtv.org
> >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> 
> 
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