[Bug 703955] New: High CPU load using osxvideosink

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=703955
  GStreamer | gst-plugins-good | git

           Summary: High CPU load using osxvideosink
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: 4ernov at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I found that osxvideosink eats too much of CPU even with quite simple
pipelines. For instance, videotestsrc pipeline like this:

gst-launch-0.10 videotestsrc !
video/x-raw-yuv,width=1920,height=1080,framerate=\(fraction\)25/1 !
osxvideosink

gives 70% of CPU load and unfortunately the main impact is from
glTexSubImage2D() GL method which I don't know how to optimize.

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