[gstreamer-bugs] [Bug 616923] New: camerabin: remove photography interface implementation

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=616923
  GStreamer | gst-plugins-bad | git

           Summary: camerabin: remove photography interface implementation
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: ext-lasse.2.laukkanen at nokia.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=159671)
 View: https://bugzilla.gnome.org/attachment.cgi?id=159671
 Review: https://bugzilla.gnome.org/review?bug=616923&attachment=159671

0001-camerabin-remove-photography-interface-implementatio.patch

This set of patches removes photography implementation from camerabin.

Rationale for this change is that currently camerabin is mostly just proxying 
the photography interface properties to video-source and thus photography 
interface implementation is causing additional maintenance and implementation 
work for camerabin when changing the interface. Currently only setting
scene-mode as 'night' requires special handling in camerabin to select lower
framerate 
for video.

Also, supporting photography interface functionality requires special hardware 
and a video-source implementing the interface. If such hardware and video-
source are not in place then setting photography interface properties using 
camerabin do not have any effect. And vice versa, photography interface 
properties can be used directly using the video-source when support is in 
place. The used video-source can be queried from camerabin using the video-
source property.

First patch removes the photography interface implementation and notification 
signal proxy.

Second patch adds monitoring the scene-mode change for video-source to update 
the framerate.

The last three patches update camerabin unit tests and examples to use 
photography interface through video-source if available.

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