[gstreamer-bugs] [Bug 486659] metadata parser for image files

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-bad | Ver: HEAD CVS




------- Comment #1 from Stefan Kost (gstreamer, gtkdoc dev)  2007-10-15 06:41 UTC -------
Right, so there should be a heperl-library under e.g.
  gst-plugins-base/gst-libs/gst/imagetags/
that provides support for each of the formats a la:

GstTagList *gst_tag_list_from_exif_chunk(const GstBuffer * buffer);
GstBuffer *gst_exif_chunk_from_tag_list(GstTagList *tag_list);

Then jpeg{enc,dec}, tiff{enc,dec}, png{enc/dec} can make use of those.

gst_XXX_from_tag_list() should return NULL if the taglist does not contain
suitable tags. For the future we should think about a useful interface that
allows applications to select what metadata-formats should be produced.


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