[Bug 796680] New: Supporting GLMemory in playbin

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796680

            Bug ID: 796680
           Summary: Supporting GLMemory in playbin
    Classification: Platform
           Product: GStreamer
           Version: unspecified
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: ssheribe at redhat.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Hi,

When the only available decoder for playbin is a decoder that uses GLMemory,
playbin fails to build the pipeline if its sink does not support GlMemory
(complains about missing components)

for example:

Assuming the only available h264\h265\vp8... decoder is nvdec (its src pad
supports only GLMemory)

Trying:
"gst-launch-1.0 playbin uri=file:///path/to/h264/file video-sink=ximagesink"
will fail (although building it manually could work)

while trying:
"gst-launch-1.0 playbin uri=file:///path/to/h264/file (video-sink=glimagesink)"
will work.



I may be wrong with addressing this issue (opened it under gstreamer core) but
seems to me its the lack of GLMemory support in playsink (cannot
download/upload from gl input) is this a missing feature? bug? expected
behavior?

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