[Bug 745107] New: glimagesink: bad performance when used with textoverlay

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Feb 24 10:03:16 PST 2015


            Bug ID: 745107
           Summary: glimagesink: bad performance when used with
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: xclaesse at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When using this pipeline on android device, I get really bad performance:
  playbin ! gltransformation ! textoverlay ! glimagesink

If I remove the textoverlay the video plays perfectly.

As far as I can tell, the problem is that the video buffers are going
gpu->cpu->gpu instead of composing the overlay on gpu.

According to what people said on #gstreamer, this can be fixed using

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