[Bug 676542] [jpegdec] JPEG decoder doesn't expose EXIF tags, XAP tags, or comments

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Jul 23 04:25:21 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=676542
  GStreamer | gst-plugins-good | git

--- Comment #8 from Mathias Hasselmann (IRC: tbf) <mathias.hasselmann at gmx.de> 2012-07-23 11:25:17 UTC ---
(In reply to comment #6)
> Bit undecided whether this should be done in the decoder in 0.11. It's the
> fastest way to make it work at the moment of course, but generally we've moved
> metadata extraction from decoders to parsers. I'd like to see a new jpegparse
> element written on top of GstBaseParse and using the API from bug #673925,
> which can then also do the metadata extraction.

No I am a bit surprised since I got told to try exactly this (extracting the
tags in jpegparse) to avoid all the unforeseeable side effects from messing
with element priorities. Goal of this patch is to enable GstDiscoverer for JPEG
images.

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