[vdr] Ring Buffer Overflow with streamdev

Simon Baxter linuxtv at nzbaxters.com
Tue Apr 6 08:14:42 CEST 2010


> Hi
>
> Am running the latest streamdev cvs, patched with
> http://cobradevil.org/downloads/streamdev-xbmc.patch
> but am getting frozen live video (recordings are fine) in XBMC and the 
> following:
>
> Mar 30 06:27:35 freddy vdr: [12662] ERROR: 1 ring buffer overflow (188 
> bytes dropped)
> Mar 30 06:27:41 freddy vdr: [12662] ERROR: 51 ring buffer overflows (9588 
> bytes dropped)
> Mar 30 06:27:47 freddy vdr: [12662] ERROR: 60 ring buffer overflows (11280 
> bytes dropped)
> Mar 30 06:27:53 freddy vdr: [12662] ERROR: 60 ring buffer overflows (11280 
> bytes dropped)
> Mar 30 06:27:59 freddy vdr: [12662] ERROR: 60 ring buffer overflows (11280 
> bytes dropped)
> Mar 30 06:28:05 freddy vdr: [12662] ERROR: 60 ring buffer overflows (11280 
> bytes dropped)
> Mar 30 06:28:10 freddy vdr: [12856] streamdev-livestreaming thread ended 
> (pid=12656, tid=12856)
> Mar 30 06:28:10 freddy vdr: [12855] streamdev-writer thread ended 
> (pid=12656, tid=12855)
> Mar 30 06:28:10 freddy vdr: [12674] buffer stats: 63920 (1%) used
>
> How do I diagnose?
>
> Can I expand the buffer (even temporarily) to see if this is what's 
> causing the frozen video?
>
> Any other ideas?


I've just tried running vdr-1.7.14 with (s2-liplianin drivers) the same 
version on streamdev and xbmc, all on the local machine running 
2.6.27.30-170.2.82.fc10.x86_64.  Have also installed on another machine 
running 2.6.27.29-170.2.78.fc10.x86_64.

Am still getting the same results, with "ring buffer overflow" messages and 
frozen picture after 3-5 seconds.  Again, playing recordings works fine.

Any ideas? 




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