Red Hat Bugzilla – Bug 431783
totem/gstreamer super slow with DRI enabled
Last modified: 2018-04-11 11:16:25 EDT
I have two Intel X servers running on vt7 and vt8. On vt7 DRI is disabled, on
vt8 it is enabled.
When I run totem-gstreamer (NOT totem-xine, totem-xine is fine) on vt7 without
DRI, it's fast. When I run it on vt8 with DRI enabled, it's super, super slow
(like 1 fps or worse).
I don't know if it's the DRI setting or vt7 vs. vt8 causing it.
The example in clutter-gst (clutter-gst/examples/video-player.c) has the same
problem. Which is odd, since it uses a GL texture to upload the frames, and I
doubt Totem does that. So there are a couple codepaths involved. Maybe they both
use the same underlying feature such as shared mem, don't know.
I'm testing with "Birdsong" from http://www.redhat.com/videos/
OK, let's blame Xv
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