[mythtv-users] Minimum backend specs?

[Dom H]

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