File indexing completed on 2025-04-27 03:58:10
0001 /* ============================================================ 0002 * 0003 * This file is a part of digiKam project 0004 * https://www.digikam.org 0005 * 0006 * Date : 2016-04-21 0007 * Description : video thumbnails extraction based on ffmpeg 0008 * 0009 * SPDX-FileCopyrightText: 2010 by Dirk Vanden Boer <dirk dot vdb at gmail dot com> 0010 * SPDX-FileCopyrightText: 2016-2018 by Maik Qualmann <metzpinguin at gmail dot com> 0011 * SPDX-FileCopyrightText: 2016-2024 by Gilles Caulier <caulier dot gilles at gmail dot com> 0012 * 0013 * SPDX-License-Identifier: GPL-2.0-or-later 0014 * 0015 * ============================================================ */ 0016 0017 #ifndef DIGIKAM_VIDEO_THUMB_DECODER_H 0018 #define DIGIKAM_VIDEO_THUMB_DECODER_H 0019 0020 // Qt includes 0021 0022 #include <QString> 0023 0024 // Local includes 0025 0026 #include "videothumbwriter.h" 0027 0028 namespace Digikam 0029 { 0030 0031 class VideoThumbDecoder 0032 { 0033 public: 0034 0035 explicit VideoThumbDecoder(const QString& filename); 0036 ~VideoThumbDecoder(); 0037 0038 public: 0039 0040 QString getCodec() const; 0041 int getWidth() const; 0042 int getHeight() const; 0043 int getDuration() const; 0044 bool getInitialized() const; 0045 0046 void seek(int timeInSeconds); 0047 bool decodeVideoFrame() const; 0048 void getScaledVideoFrame(int scaledSize, 0049 bool maintainAspectRatio, 0050 VideoFrame& videoFrame); 0051 0052 void initialize(const QString& filename); 0053 void destroy(); 0054 0055 private: 0056 0057 // Disable 0058 VideoThumbDecoder(const VideoThumbDecoder&) = delete; 0059 VideoThumbDecoder& operator=(const VideoThumbDecoder&) = delete; 0060 0061 private: 0062 0063 class Private; 0064 Private* const d; 0065 }; 0066 0067 } // namespace Digikam 0068 0069 #endif // DIGIKAM_VIDEO_THUMB_DECODER_H