Red Hat Bugzilla – Bug 149694
Amarok pauses for several secons on track change
Last modified: 2007-11-30 17:11:00 EST
Description of problem: When changing the current track (manually or by advancing the playlist), amarok pauses for several seconds, eating 100% CPU in the process. Happens with OGG and MP3 tracks. The last few seconds of the previous track and the first seconds of the new track are being cut off. Output plugin is gstreamer. Version-Release number of selected component (if applicable): amarok-1.2-2 How reproducible: Always Steps to Reproduce: 1. Populate playlist 2. Wait until track change or change track manually 3. Actual results: amarok pauses for several seconds, eating 100% CPU Expected results: Smooth track change Additional info:
I'd say it's either a bug in amarok's crossfading, or in gstreamer. Can you please try to disable crossfading, and see if the bug is still there ? And then, can you choose another engine (xine for example), with crossfading enabled, and see if the bug is still there ? Thanks
Still happens with crossfade disabled. Fade in/out is set to 0 msec, also. gstreamer is the only engine presented to me by amarok although I have xine installed (from freshrpms).
Yes, the xine plugin cannot be distributed with Fedora, because xine depends on patented software. You need the amarok-xine package to get support for the xine engine. You can activate it by rebuilding the amarok srpm with the --with xine switch, or you can tell me which version of Fedora you use, and I'll send it to you.
I am running FC devel.
OK, you'll have to rebuild the amarok srpm then. rpmbuild --rebuild --with xine amarok-*.src.rpm should do it. Then, please install the amarok-xine rpm and test with this engine. Or you could try the arts engine if you are running KDE. Thanks
Rebuild done, the effect does not occur with the xine-engine, so this seems to be a gstreamer thing. Any hints how to construct a gstreamer pipe to recreate the effect on the command line?
I know gstreamer very little, sorry. But if you find the right pipe, I'd be happy to know :)
Have you checked out the "With GStreamer-engine I'm getting 100% CPU usage while playing. How can I fix it?" part in the FAQ of the handbook? http://amarok.kde.org/component/option,com_staticxt/Itemid,0/xt_item,1/staticfile,playback.html#id250796
My default sound device is aliased to dmix, bit I will check this again.
OK, removing some gstreamer plugins makes the gstreamer-engine behave. Almost. However, this is no longer a amarok issue, so I am closing this.