File indexing completed on 2025-04-27 03:58:10

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2016-04-21
  * Description : video thumbnails extraction based on ffmpeg
  *
  * SPDX-FileCopyrightText: 2010      by Dirk Vanden Boer <dirk dot vdb at gmail dot com>
  * SPDX-FileCopyrightText: 2016-2018 by Maik Qualmann <metzpinguin at gmail dot com>
  * SPDX-FileCopyrightText: 2016-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_VIDEO_THUMBNAILER_H
 #define DIGIKAM_VIDEO_THUMBNAILER_H
 
 // Qt includes
 
 #include <QString>
 #include <QImage>
 
 // Local includes
 
 #include "digikam_export.h"
 
 namespace Digikam
 {
 
 class VideoFrame;
 class VideoThumbWriter;
 class VideoThumbDecoder;
 class VideoStripFilter;
 
 class DIGIKAM_EXPORT VideoThumbnailer
 {
 public:
 
     VideoThumbnailer();
     VideoThumbnailer(int thumbnailSize,
                      bool workaroundIssues,
                      bool maintainAspectRatio,
                      bool smartFrameSelection);
     ~VideoThumbnailer();
 
 public:
 
     void generateThumbnail(const QString& videoFile, QImage& image);
 
     void setThumbnailSize(int size);
     void setSeekPercentage(int percentage);
     void setSeekTime(const QString& seekTime);
     void setWorkAroundIssues(bool workAround);
     void setMaintainAspectRatio(bool enabled);
     void setSmartFrameSelection(bool enabled);
     void addFilter(VideoStripFilter* const filter);
     void removeFilter(const VideoStripFilter* const filter);
     void clearFilters();
 
 private:
 
     void generateThumbnail(const QString& videoFile, VideoThumbWriter& imageWriter, QImage& image);
     void generateSmartThumbnail(VideoThumbDecoder& movieDecoder, VideoFrame& videoFrame);
 
     void applyFilters(VideoFrame& frameData);
     int  timeToSeconds(const QString& time) const;
 
 private:
 
     // Disable
     VideoThumbnailer(const VideoThumbnailer&)            = delete;
     VideoThumbnailer& operator=(const VideoThumbnailer&) = delete;
 
 private:
 
     class Private;
     Private* const d;
 };
 
 } // namespace Digikam
 
 #endif // DIGIKAM_VIDEO_THUMBNAILER_H