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67 lines
2 KiB
C++
67 lines
2 KiB
C++
// Copyright (C) 2010 Dirk Vanden Boer <dirk.vdb@gmail.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "ffmpegthumbnailer.h"
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#include <kdebug.h>
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#include <kdemacros.h>
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#include <QImage>
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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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FFMpegThumbnailer::~FFMpegThumbnailer()
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{
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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 (Flags)(DrawFrame);
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}
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