[Bug 728107] New: gl: No surface resizing logic on Android/iOS

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=728107
  GStreamer | gst-plugins-bad | git

           Summary: gl: No surface resizing logic on Android/iOS
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: slomo at coaxion.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


On Android and iOS when the surface is resized, glimagesink does not notice
this and continues to render for the old surface size. Especially this means
that the video is only rendered in the original size.

Both platforms seem to provide nothing for getting notified about such changes,
so in eglglessink we were polling for changes before rendering each frame.

On Android (EGL) you can query the EGL_WIDTH and EGL_HEIGHT of the surface, on
iOS you can get the CAEAGLLayer's frame.size.

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