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Bug 581572 - Music skips during playback
Music skips during playback
Status: RESOLVED NOTGNOME
Product: GStreamer
Classification: Platform
Component: dont know
0.10.x
Other All
: Normal major
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2009-05-06 10:09 UTC by casey.mcginty
Modified: 2009-05-10 10:06 UTC
See Also:
GNOME target: ---
GNOME version: ---



Description casey.mcginty 2009-05-06 10:09:44 UTC
Please describe the problem:
Music is skipping during playback, kind of like a CD skipping. Each skip lasts a fraction of a second and usually occurs every 5 - 10 seconds. CPU load on the system is nill (Intel Core 2, 3 GHZ, 4GB RAM).

I believe this issue is related to rTorret running in background (only uploading 20-100KB/s, no downloading)



Steps to reproduce:
1. Run rTorrent in backround
2. Play music
3. 


Actual results:
Playback skips intermittently.

Expected results:


Does this happen every time?
No. I'm not sure exactly what is causing the playback issue.

Other information:
It would be nice if there was an option to increase the audio buffer size.
Comment 1 Jonathan Matthew 2009-05-07 02:24:57 UTC
Why do you think this is related to a completely different application that (as far as I know) doesn't use sound at all?

Does this happen in any other applications, particularly GStreamer applications?  Which output device do you have configured for 'music and movies' in the GNOME sound preferences?  Do you have crossfading enabled in rhythmbox?
Comment 2 casey.mcginty 2009-05-07 07:21:52 UTC
Well, as rtorrent goes, clearly it is just a guess, but basically that is the only thing that has changed on my system in the last day or so. I also have the network monitor applet running, and it seems that whenever I notice a skip there is some amount of network activity. Also, the rtorrent and music files are source from the same XFS volume.

Not sure about Gstreamer applications in generally. I really don't use any others except Pidgin I believe. Can you recommend any other ones to try?

"Music and Movies" is set to Autodetect. I will try selecting PulseAudio directly and see if I notice any improvement.

Crossfading is disabled.
Comment 3 Jonathan Matthew 2009-05-07 07:33:10 UTC
You could try totem, or just run 'gst-launch-0.10 playbin uri=file:///path/to/file.mp3' in a terminal.
Comment 4 casey.mcginty 2009-05-07 09:42:42 UTC
Yes, skipping is present in Totem as well.
Comment 5 Jonathan Matthew 2009-05-07 13:08:04 UTC
OK, sounds like this is a GStreamer problem.  What version of GStreamer and the various plugin packages are you using?
Comment 6 casey.mcginty 2009-05-10 10:06:09 UTC
Please close this issue. Looks like it was caused by a bad PulseAudio config on Ubuntu.

The following link outlines the steps to fix this issue.
http://ubuntuforums.org/showthread.php?t=789578

Also, there was a problem of not belonging the the 'pulse-rt' group.