[Bug 764093] tag: exif: wrong parsing of ISO_SPEED and PHOTOGRAPHIC_SENSITIVITY tags

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=764093

Paulo Neves <ptsneves at gmail.com> changed:

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--- Comment #12 from Paulo Neves <ptsneves at gmail.com> ---
Created attachment 329877
  --> https://bugzilla.gnome.org/attachment.cgi?id=329877&action=edit
Required changes and test cases

Hello,

I have a new proposed patch where I add new gst_tags related to the sensitivity
of the sensor.

I also corrected the test not passing as well as integrated the test patch
provided by Tim-Muller. Additional checks were added to increase robustness of
the patch.

I also corrected what I think was a bug in the exif_long_parser where Big
Endian values were not correctly read. This was not being tested I think. This
was exactly what was making my code fail the tests in the big endian versions
of the exif_short_parser code, which was a replica of the exif_long_parser.

I am planning on launching a product that relies on these changes to be
integrated with the main code, so if there are further requirements needed,
please let me know and I will fix them.

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