[gstreamer-bugs] [Bug 583098] Add jpegparse element

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=583098
  GStreamer | gst-plugins-good | git

--- Comment #13 from Stefan Kost (gstreamer, gtkdoc dev) <ensonic at sonicpulse.de> 2010-01-28 08:06:59 UTC ---
I would be interested in having a plugin containing both parser and formatter
(muxer). See discussion in bug #486659. the idea is to be able to have
different jpeg encoders/decoders, but reuse the APP Segment Parsing and
metadata handling.

The current jpegparse seems to already has the code to scan for the markers (in
gst_jpeg_parse_read_header()) from there we could easily hook up the exif/xmp
parsing code (pass the whole segment to a function and get the taglist back).
jpegparse coudl also emit the metadata then. Would be nice if it could also
handle the COM marker and add that to the metadata (use 'exiv2 -c "test
comment" testimage.jpeg' to add a comment.

I am a bit unsure how to call the plugin (if it gets a formatter as well) -
 jpeg is already used by the libjpeg based codec plugin. Could be jpegformat.

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