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05-Nov-2009, 11:26
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No audio for some players
Hi,
I am using openSUSE 11.0. After getting some upgrades from packman repo, amarok, banshee, alsaplayer have stopped playing mp3. Rebooting has not helped. But mplayer, smplayer, audacious2 play them. For example amarok gives the error: Quote:
Thanks. Some additional info: Code:
speaker-test -Dplug:front -c2 -l5 -twav Code:
speaker-test -c2 -l5 -twav Quote:
__________________
openSUSE 11.0 
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05-Nov-2009, 12:07
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Re: No audio for some players
Quote:
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06-Nov-2009, 00:36
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Re: No audio for some players
Hi,
The repos enabled are: Quote:
I am not sure of the engines, but as per the guides in: Check your multimedia problem in ten steps - openSUSE Forums and Multi-media and Restricted Format Installation Guide - openSUSE Forums i have Quote:
Code:
rpm --verify --query --all '*gst*' Quote:
Code:
rpm --query --all 'libav*' 'libpostproc*' 'libswscale*' '*xine*' '*gst*' MPlayer '*vlc*' | grep -v avahi | sort Quote:
Quote:
__________________
openSUSE 11.0
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06-Nov-2009, 00:59
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Re: No audio for some players
Quote:
Quote:
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06-Nov-2009, 01:22
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Re: No audio for some players
Hi,
For amarok the engine is GStreamer/Yauap. Right now amarok is mplaying mp3, but alsaplayer is not (it was running a little while ago). Moreover now mplayer, smplayer have also stopped giving audio while vlc is now working !! The entire output of Code:
rpm --query --all 'libav*' 'libpostproc*' 'libswscale*' '*xine*' '*gst*' MPlayer '*vlc*' | grep -v avahi | sort Quote:
Code:
speaker-test -c2 -l5 -twav Quote:
__________________
openSUSE 11.0
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06-Nov-2009, 02:17
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Re: No audio for some players
I rebooted the system and am now back to same stage as post #1.
__________________
openSUSE 11.0
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06-Nov-2009, 03:16
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Re: No audio for some players
Quote:
But its reading to me that for you, sometimes the audio works, and sometimes the audio does not work. IMHO that is more likely due to one application seizing the audio device, and not letting go of the device, so that other applications can not access the audio device. If you look at the openSUSE audio troubleshooting guide here: SDB:AudioTroubleshooting - determining which application is using the sound device - openSUSE you will note you can determine what application is using your audio sound device at any one time by typing: Code:
lsof /dev/dsp* /dev/audio* /dev/mixer* /dev/snd/* To get a look at the sort of investigation one can do, please examine this thread: sound stop working after updating on asus k50in - openSUSE Forums Now its not as complex as that thread might make you think. Some basics you need to know wrt Linux sound. Typically Linux sound daemons/servers ONLY allow one application at a time to access the sound device/hardware. If that application is badly behaved, and does not let go of the device (when the application is closed) then no other applications can access the device. It may be worth your reading up on some sound concepts: Sound-concepts - openSUSE Note that the alsa application is both an audio driver, and also provides an API (the alsa API). Not all desktops nor multimedia applications will use the alsa API. They ALL use the alsa sound driver. One advantage of the alsa API is it will allow sharing of audio between applications. ie if multimedia application-a is using the alsa API and multimedia application-b is using the alsa API, then they both will be able to access the audio device at the same time and hence they both will be able to play sound at the same time. Pulse audio was supposed to provide the same capability, but pulse audio has bugs (especially the earlier versions of pulse, such as are in openSUSE-11.0). On my PCs, I have changed the output sound engines in all applications to use the "xine" sound engine and where selectable to use the alsa API (sometimes just labelled "alsa" or "advanced linux sound architecture" as opposed to OSS, or aRts, or esound). I have also used the application xine-ui to ensure my xine is using the alsa API. Hence when I play amarok, I get audio. I can also launch smplayer, and get audio playing out of smplayer at the same time as amarok. I am forming a view point (albeit I have not been able to check the details of the application versions you provided because I am not at a linux PC) that your difficulty is more likely due to the sound engines and/or sound server/daemon's you have chosen. Linux is all about choice, but unfortunately that plethora of choices can be confusing and can lead to misconfigurations.
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08-Nov-2009, 05:03
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Re: No audio for some players
Quote:
Code:
rpm -qa *pulse* Quote:
Code:
rpm -qa *alsa* Quote:
__________________
openSUSE 11.0
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08-Nov-2009, 05:36
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Re: No audio for some players
Quote:
Quote:
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08-Nov-2009, 06:59
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Re: No audio for some players
Quote:
Quote:
__________________
openSUSE 11.0
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