File indexing completed on 2024-05-12 04:54:57 

0001 /*
0002     SPDX-FileCopyrightText: 2006-2008 Marco Gulino <marco@kmobiletools.org>
0003     adapted for MLT video preview by Jean-Baptiste Mardelle
0004     SPDX-FileCopyrightText: Jean-Baptiste Mardelle <jb@kdenlive.org>
0005 
0006     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0007 */
0008 
0009 #pragma once
0010 
0011 #include <kio/thumbcreator.h>
0012 #include <memory>
0013 #include <mlt++/Mlt.h>
0014 
0015 #include <QObject>
0016 
0017 class MltPreview : public ThumbCreator
0018 {
0019 public:
0020     MltPreview();
0021     ~MltPreview() override;
0022     bool create(const QString &path, int width, int height, QImage &img) override;
0023     Flags flags() const override;
0024 
0025 protected:
0026     static int imageVariance(const QImage &image);
0027     QImage getFrame(std::shared_ptr<Mlt::Producer> producer, int framepos, int width, int height);
0028 };