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| prebuffering pause - stuttering http://forum.linhes.org/viewtopic.php?f=2&t=5697 |
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| Author: | troy [ Tue Aug 16, 2005 3:03 pm ] |
| Post subject: | prebuffering pause - stuttering |
Help - I just installed R5A16 and I am experiencing a lot of stuttering during playback. When I run the frontend with output going to a file, the log is full of prebuffering pause messages. My setup is this: Backend --------------- 2 x PVR250 intel P4 2.8GHz 512MB ram 4x250GB WD SATA drives Frontend --------------- intel P4 3GHZ 512MB ram 80GB UIDE drive nvidia FX5200 video ASUS P4P800-E Deluxe motherboard onboard Marvel/Yukon Gigabit ethernet controller the frontend and backend are connected via 100BT ethernet through a netgear switch. I have tried setting the frontend to +s for setuid, and re-nicing the frontend process, but no luck I have put a packet sniffer on the lan, but see nothing out of the ordinary, the CPU on the frontend seems fine, and any shows captured on the backend do not contain any stutter or freeze, so it seems to be isolated to the frontend, but I am out of ideas any help is appreciated |
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| Author: | tjc [ Tue Aug 16, 2005 7:54 pm ] |
| Post subject: | |
Have you tried turning on agressive buffering for the FE? |
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| Author: | troy [ Tue Aug 16, 2005 9:52 pm ] |
| Post subject: | |
for playback settings I am using libmpeg2, realtime priority threads, and extra audio buffering. in looking at the system itself, there appears to be lots of memory available, and the cpu never gets above 20% |
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| Author: | SlyOne [ Sun Oct 23, 2005 6:35 am ] |
| Post subject: | |
I'm having exactly the same problem. The box used to handle recording / playback fine, I'm not sure when it started to go pear shaped. Here is the ouput of top on this system. Code: top - 13:03:55 up 11:49, 2 users, load average: 2.85, 2.78, 2.25
Tasks: 70 total, 2 running, 68 sleeping, 0 stopped, 0 zombie Cpu(s): 41.5% us, 7.0% sy, 0.0% ni, 49.8% id, 1.0% wa, 0.0% hi, 0.7% si Mem: 514000k total, 508372k used, 5628k free, 1048k buffers Swap: 619408k total, 0k used, 619408k free, 313508k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3470 mythtv 15 0 232m 113m 33m S 36.2 22.6 34:46.51 mythfrontend 3372 root 15 0 310m 51m 18m S 7.6 10.4 6:33.07 XFree86 2619 mythtv 15 0 148m 23m 11m S 5.3 4.7 1:59.14 mythbackend 2584 root 5 -10 0 0 0 S 0.3 0.0 0:37.10 ivtv-enc 4181 root 16 0 2200 1088 852 R 0.3 0.2 0:00.74 top --<<SNIP>>-- |
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