Studdering video
#1
I keep seeing a hickup in video and when i look at my log i see:

05:28:15 T:47522816 M: 69246976 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:15 T:47522816 M: 69242880 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:24 T:47522816 M: 77340672 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:57 T:47522816 M: 78397440 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:29:10 T:43468288 M: 78774272 NOTICE: ES: Client from 127.0.0.1 timed out
05:29:41 T:47522816 M: 78807040 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:30:12 T:47522816 M: 77238272 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:30:20 T:47522816 M: 77377536 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:31:18 T:47522816 M: 77955072 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.

Obviously looks like a audio issue, any ideas?
If you want to see the whole log i will post it to pastebin
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#2
drwickman Wrote:I keep seeing a hickup in video and when i look at my log i see:

05:28:15 T:47522816 M: 69246976 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:15 T:47522816 M: 69242880 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:24 T:47522816 M: 77340672 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:28:57 T:47522816 M: 78397440 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:29:10 T:43468288 M: 78774272 NOTICE: ES: Client from 127.0.0.1 timed out
05:29:41 T:47522816 M: 78807040 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:30:12 T:47522816 M: 77238272 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:30:20 T:47522816 M: 77377536 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.
05:31:18 T:47522816 M: 77955072 ERROR: [PortAudio] ERROR[/Users/d4rk/Code/XBMC/XBMC/xbmc/cores/dvdplayer/PortaudioDirectSound.cpp:238]: Output underflowed.

Obviously looks like a audio issue, any ideas?
If you want to see the whole log i will post it to pastebin

I'd first like to see if the cpu is saturated or not. run top via "sudo /usr/bin/top" and watch the percent cpu when playing your video content.
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#3
When not playing any video (xbmc sitting in tv show library) the cpu usage sits around 38-52%

When playing video it started at 19% and sits around 22-23%

On exit of video cpu spikes to 90% then settles down to 50-60% for about 30 secs then goes back to 38-52%

Let me know if you need anything else.
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#4
so running 22-23 percent while viewing video content and you say you see a hickup. Must be an OSX box. what video content, use MediaInfo to qualify it.

pastebin xbmc.log so we can see which version you are running.
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#5
Apple tv actually, playing a small avi from the mash series. Its 173 Mb in size.

Still want a mediainfo?
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#6
Im starting to believe that this isnt an appletv related issue, i think its an issue with the hard drive that the videos are on.

Cheers
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