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b3b4d52c97
ffmpegthumbs and gsthumbnail thumbnailers were rewritten by me Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
65 lines
2 KiB
C++
65 lines
2 KiB
C++
/* This file is part of the KDE project
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Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "ffmpegthumbnailer.h"
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#include <QImage>
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#include <kdebug.h>
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#include <kdemacros.h>
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extern "C"
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{
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KDE_EXPORT ThumbCreator* new_creator()
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{
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return new FFMpegThumbnailer();
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}
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}
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FFMpegThumbnailer::FFMpegThumbnailer()
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{
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m_Thumbnailer.addFilter(&m_FilmStrip);
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}
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bool FFMpegThumbnailer::create(const QString& path, int width, int /*heigth*/, QImage& img)
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{
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std::vector<uint8_t> pixelBuffer;
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m_Thumbnailer.setThumbnailSize(width);
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// 20% seek inside the video to generate the preview
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m_Thumbnailer.setSeekPercentage(20);
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try {
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//Smart frame selection is very slow compared to the fixed detection
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//TODO: Use smart detection if the image is single colored.
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//m_Thumbnailer.setSmartFrameSelection(true);
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m_Thumbnailer.generateThumbnail(std::string(path.toUtf8()), Png, pixelBuffer);
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} catch(std::exception &err) {
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kWarning() << err.what();
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return false;
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} catch (...) {
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return false;
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}
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return img.loadFromData(reinterpret_cast<char*>(&pixelBuffer.front()), pixelBuffer.size(), "PNG");
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}
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ThumbCreator::Flags FFMpegThumbnailer::flags() const
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{
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return ThumbCreator::DrawFrame;
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}
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