[Bug 709312] New: videoflip: Add an automatic method that flip base on image-orientation tag

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=709312
  GStreamer | gst-plugins-good | unspecified

           Summary: videoflip: Add an automatic method that flip base on
                    image-orientation tag
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: nicolas.dufresne at collabora.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=256319)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=256319)
videoflip: Add automatic flip mode driven by image-orientation tag

It's not particularly useful right now, as we don't have any ranked jpeg
parser, though I wanted to be able to display jpegs with the corrected
orientation. So I added an automatic method to videoflip.

The general idea is that when we receive the GST_TAG_IMAGE_ORIENTATION, we
automatically choose the right transformation. The value of this tag is a
perfect match with the videoflip methods.

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