[kde-freebsd] non-linear arts playback

Michael Nottebrock lofi at freebsd.org
Thu Sep 27 20:28:37 CEST 2007

Christian Gusenbauer schrieb:
> Hi!
> On Monday, 24. September 2007, Michael Nottebrock wrote:
>> Harald Schmalzbauer schrieb:
>>> Dear KDE maintainers,
>>> I have problems with arts playback since KDE 3.5.7
>>> Before I could perfectly use any KDE application to liten to my music but
>>> since KDE 3.5.7 programs like noatune or amarok are skipping samples.
>>> When playing back, also the time counter jumps together with the sound.
>>> I guess the jumps are about a quarter of a second.
>>> When using OSS programs like mplayer I don't have that problem, so I
>>> don't think it has anything to do with my sound hardware.
>>> I also discovered this problamy on every other machine I set up since KDE
>>> 3.5.7 (some UP, some SMP, some SCHED_4BSD, some SCHED_ULDE, that doesn't
>>> matter)
>>> I guess this is a known problem to you, so I'd like to ask if you have
>>> some patches for me to test.
>> No, this problem has not been reported before and I personally haven't
>> encountered anything similar either. If these problems occur regardless
>> of the format of the sound files you play, you can try experimenting
>> with the artsd buffer size and the realtime priority setting or try
>> manually downgrading arts to versions prior to 1.5.7 to see if the
>> problem is with arts itself. If the problem only occurs with a
>> particular kind of data (e.g. only mp3 files or only ogg vorbis files),
>> you should look at the respective akode port and the libraries it uses.
>> Cheers,
> Sorry Michael, that's not correct. I reported this problem on July 14th, and 
> you gave me the same hint as above to play with buffer sizes and priorities - 
> which I did and which did not help :-(.
Okay, sorry about that. As it stands, I am not able to reproduce it
however and have no patches to offer either.

   ,_,   | Michael Nottebrock               | lofi at freebsd.org
 (/^ ^\) | FreeBSD - The Power to Serve     | http://www.freebsd.org
   \u/   | K Desktop Environment on FreeBSD | http://freebsd.kde.org

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