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204 lines
6.8 KiB
C++
204 lines
6.8 KiB
C++
17 years ago
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// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004-2009 Andreas Huggel <ahuggel@gmx.net>
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*
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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File: easyaccess.cpp
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Version: $Rev$
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Author(s): Carsten Pfeiffer <pfeiffer@kde.org>
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Andreas Huggel (ahu) <ahuggel@gmx.net>
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History: 28-Feb-09, gis: created
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*/
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// *****************************************************************************
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#include "rcsid.hpp"
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EXIV2_RCSID("@(#) $Id$")
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// *****************************************************************************
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// included header files
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#include "easyaccess.hpp"
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// *****************************************************************************
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namespace {
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using namespace Exiv2;
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/*!
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@brief Search \em ed for a Metadatum specified by the \em keys.
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The \em keys are searched in the order of their appearance, the
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first available Metadatum is returned.
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@param ed The %Exif metadata container to search
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@param keys Array of keys to look for
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@param count Number of elements in the array
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*/
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ExifData::const_iterator findMetadatum(const ExifData& ed,
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const char* keys[],
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int count)
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{
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for (int i = 0; i < count; ++i) {
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ExifData::const_iterator pos = ed.findKey(ExifKey(keys[i]));
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if (pos != ed.end()) return pos;
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}
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return ed.end();
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} // findMetadatum
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} // anonymous namespace
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// *****************************************************************************
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// class member definitions
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namespace Exiv2 {
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ExifData::const_iterator orientation(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Image.Orientation",
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"Exif.Panasonic.Rotation",
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"Exif.MinoltaCs5D.Rotation",
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"Exif.MinoltaCs7D.Rotation"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator isoSpeed(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.ISOSpeedRatings",
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"Exif.CanonSi.ISOSpeed",
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"Exif.CanonCs.ISOSpeed",
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"Exif.Nikon1.ISOSpeed",
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"Exif.Nikon2.ISOSpeed",
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"Exif.Nikon3.ISOSpeed",
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"Exif.MinoltaCsNew.ISOSpeed",
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"Exif.MinoltaCsOld.ISOSpeed",
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"Exif.MinoltaCs5D.ISOSpeed",
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"Exif.MinoltaCs7D.ISOSpeed",
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"Exif.Pentax.ISO",
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"Exif.Olympus.ISOSpeed"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator flashBias(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonSi.FlashBias",
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"Exif.Panasonic.FlashBias",
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"Exif.Olympus.FlashBias",
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"Exif.OlympusCs.FlashExposureComp"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator exposureMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.Photo.ExposureProgram",
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"Exif.CanonCs.ExposureProgram",
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"Exif.MinoltaCs7D.ExposureMode",
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"Exif.MinoltaCs5D.ExposureMode",
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"Exif.MinoltaCsNew.ExposureMode",
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"Exif.MinoltaCsOld.ExposureMode",
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"Exif.Sigma.ExposureMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator sceneMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.EasyMode",
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"Exif.Fujifilm.PictureMode",
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"Exif.MinoltaCsNew.SubjectProgram",
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"Exif.OlympusCs.SceneMode",
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"Exif.Panasonic.ShootingMode",
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"Exif.Panasonic.SceneMode",
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"Exif.Pentax.PictureMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator macroMode(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.Macro",
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"Exif.Fujifilm.Macro",
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"Exif.Olympus.Macro",
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"Exif.OlympusCs.MacroMode",
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"Exif.Panasonic.Macro",
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"Exif.MinoltaCsNew.MacroMode",
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"Exif.MinoltaCsOld.MacroMode"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator imageQuality(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.Quality",
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"Exif.Fujifilm.Quality",
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"Exif.Sigma.Quality",
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"Exif.Nikon1.Quality",
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"Exif.Nikon2.Quality",
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"Exif.Nikon3.Quality",
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"Exif.Olympus.Quality",
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"Exif.OlympusCs.Quality",
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"Exif.Panasonic.Quality",
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"Exif.Minolta.Quality",
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"Exif.MinoltaCsNew.Quality",
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"Exif.MinoltaCsOld.Quality",
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"Exif.MinoltaCs5D.Quality",
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"Exif.MinoltaCs7D.Quality"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator whiteBalance(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonSi.WhiteBalance",
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"Exif.Fujifilm.WhiteBalance",
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"Exif.Sigma.WhiteBalance",
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"Exif.Nikon1.WhiteBalance",
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"Exif.Nikon2.WhiteBalance",
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"Exif.Nikon3.WhiteBalance",
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"Exif.Olympus.WhiteBalance",
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"Exif.OlympusCs.WhiteBalance",
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"Exif.Panasonic.WhiteBalance",
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"Exif.MinoltaCs5D.WhiteBalance",
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"Exif.MinoltaCs7D.WhiteBalance",
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"Exif.MinoltaCsNew.WhiteBalance",
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"Exif.MinoltaCsOld.WhiteBalance",
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"Exif.Photo.WhiteBalance"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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ExifData::const_iterator lensName(const ExifData& ed)
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{
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static const char* keys[] = {
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"Exif.CanonCs.LensType",
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"Exif.Nikon3.LensData",
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"Exif.Minolta.LensID",
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"Exif.Pentax.LensType"
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};
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return findMetadatum(ed, keys, EXV_COUNTOF(keys));
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}
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} // namespace Exiv2
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