[Bug 729861] New: glfilter: lose some caps informations like the framerate

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729861
  GStreamer | gst-plugins-bad | git

           Summary: glfilter: lose some caps informations like the
                    framerate
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: julien.isorce at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


gst-launch-1.0 filesrc  location=bbb.mp4 ! qtdemux ! h264parse ! avdec_h264 ! 
gleffects !  glimagesink

gleffects sink caps:

video/x-raw, format=(string)I420, width=(int)640, height=(int)360,
pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive,
colorimetry=(string)bt601, framerate=(fraction)24/1


gleffects src caps:

video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)640,
height=(int)360, framerate=(fraction)0/1

The 0/1 framerate is not really great :)

I guess we should keep pixel-aspect-ratio, interlace-mode and colorimetry too
by default.

(Same remarks when downloading the frame by connection an encoder after a
glfilter. i.e. avenc_X sink caps:
video/x-raw, format=(string)I420, width=(int)640, height=(int)360,
framerate=(fraction)0/1 )

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