[gstreamer-bugs] [Bug 605594] relatively high cpu usage compared to other players

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Feb 22 12:19:38 PST 2010


https://bugzilla.gnome.org/show_bug.cgi?id=605594
  GStreamer | gstreamer (core) | 0.10.x

--- Comment #9 from Olaf Leidinger <leidola at web.de> 2010-02-22 20:19:30 UTC ---

I'm sorry, I'm currently a bit busy. But I managed to run the wav tests :D
The machine changed a bit, so the times are a bit different, so I re-run
mplayer vs. gstreamer/playbin2 wo asserts for ogg/vorbis too:

runtime [sec]   | vorbis | wav
------------------------------
playbin2 wo ass | 20.8   | 7.1
mplayer         |  8.0   | 5.8

cpu usage [%]   | vorbis | wav
------------------------------
playbin2 wo ass |  6.5   | 2.2
mplayer         |  2.5   | 1.8

So it seems as if playing a wav file isn't that costly using gstreamer. Most
overhead really seems to come from the codecs used. But on the other hand:
playing a wav file using gstreamer is nearly as "costly" as playing an vorbis
stream using mplayer.

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