File indexing completed on 2025-03-09 03:55:10

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2006-02-23
  * Description : item metadata interface - Exiftool helpers.
  *
  * SPDX-FileCopyrightText: 2006-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2006-2013 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
  * SPDX-FileCopyrightText: 2011      by Leif Huhn <leif at dkstat dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "dmetadata.h"
 
 // Qt includes
 
 #include <QString>
 #include <QFileInfo>
 #include <QMimeDatabase>
 #include <QScopedPointer>
 
 // Local includes
 
 #include "digikam_config.h"
 #include "digikam_debug.h"
 #include "exiftoolparser.h"
 
 namespace Digikam
 {
 
 bool DMetadata::loadUsingExifTool(const QString& filePath, bool merge)
 {
     QMimeDatabase mimeDB;
     QFileInfo info(filePath);
 
     QString mimeType  = mimeDB.mimeTypeForFile(info).name();
     bool    copyToAll = (mimeType.startsWith(QLatin1String("video/"))     ||
                          (info.suffix().toUpper() == QLatin1String("FITS")));
 
     QScopedPointer<ExifToolParser> const parser(new ExifToolParser(nullptr));
 
     if (!parser->exifToolAvailable())
     {
         qCWarning(DIGIKAM_METAENGINE_LOG) << "ExifTool is not available to load metadata...";
 
         return false;
     }
 
     if (!parser->loadChunk(filePath, copyToAll))
     {
         qCCritical(DIGIKAM_METAENGINE_LOG) << "Load metadata using ExifTool failed...";
 
         return false;
     }
 
     ExifToolParser::ExifToolData chunk = parser->currentData();
 
     qCDebug(DIGIKAM_METAENGINE_LOG) << "Metadata chunk loaded with ExifTool";
 
     ExifToolParser::ExifToolData::iterator it = chunk.find(QLatin1String("EXV"));
 
     if (it == chunk.end())
     {
         qCWarning(DIGIKAM_METAENGINE_LOG) << "Metadata chunk loaded with ExifTool is empty";
 
         return false;
     }
 
     QVariantList varLst = it.value();
     QByteArray exv      = varLst[0].toByteArray();
 
     if (exv.isEmpty())
     {
         qCDebug(DIGIKAM_METAENGINE_LOG) << "Metadata chunk loaded with ExifTool has no data";
 
         return false;
     }
 
     if (merge)
     {
         QStringList exclude;
 
         // Remove Exif.Image.Orientation from the ExifTool container,
         // we already got the correct orientation with the FFmpeg backend.
 
         exclude << QLatin1String("Exif.Image.Orientation");
 
         loadFromDataAndMerge(exv, exclude);
     }
     else
     {
         loadFromData(exv);
     }
 
     // Restore file path.
 
     setFilePath(filePath);
     loadFromSidecarAndMerge(filePath);
 
     return true;
 }
 
 } // namespace Digikam