Phonon memory usage

Leo Spalteholz leo.spalteholz at
Wed Apr 2 22:35:21 BST 2008

On Wed, Apr 2, 2008 at 2:29 PM, Ian Monroe <ian at> wrote:
> On Wed, Apr 2, 2008 at 4:25 PM, Leo Spalteholz <leo.spalteholz at> wrote:
>  > Hi,
>  >
>  >  I've got a really simple little app that uses phonon to play an
>  >  internet radio stream and show past song titles on a timeline.  This
>  >  app uses delayed initialization of phonon (creates Phonon::MediaObject
>  >  when I hit play.  That's basically straight out of the phonon
>  >  example).  Before initializing phonon, exmap reports an effective
>  >  resident size of about 3MB. After hitting play, exmap reports
>  >  effective resident size of 28MB, with ~10000k in anon and ~8000 in
>  >  heap allocations.  Now I realize that some buffering is unavoidable,
>  >  but +25MB for handling an audio stream seems quite excessive.  Is this
>  >  typical or is it just an issue on my machine?
>  It's xine's fault, it allocates a bunch of stuff only used for video
>  playing regardless of video being played or not. The next version of
>  Xine should mostly fix this issue or try out phonon-gstreamer.

Thanks.  Good to know it will be fixed at some point.


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