72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/******************************************************************************
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VideoRendererTypes: type id and manually id register function
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Copyright (C) 2015 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#ifndef QTAV_VIDEOPREVIEWWIDGET_H
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#define QTAV_VIDEOPREVIEWWIDGET_H
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#include "global.h"
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#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
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#include <QtWidgets/QWidget>
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#else
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#include <QtGui/QWidget>
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#endif
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#define REMOVE_VIDEO_PREVIEW_WIDGET 1
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#if !(REMOVE_VIDEO_PREVIEW_WIDGET)
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namespace FAV {
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class VideoFrame;
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class VideoOutput;
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class VideoFrameExtractor;
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class Q_AVWIDGETS_EXPORT VideoPreviewWidget : public QWidget
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{
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Q_OBJECT
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public:
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explicit VideoPreviewWidget(QWidget *parent = 0);
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void setTimestamp(qint64 msec);
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qint64 timestamp() const;
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void preview();
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void setFile(const QString& file);
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QString file() const;
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// default is false
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void setKeepAspectRatio(bool value = true);
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bool isKeepAspectRatio() const;
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Q_SIGNALS:
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void timestampChanged();
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void fileChanged();
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protected:
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virtual void resizeEvent(QResizeEvent *);
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private Q_SLOTS:
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void displayFrame(const FAV::VideoFrame& frame); //parameter VideoFrame
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void displayNoFrame();
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private:
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bool m_keep_ar;
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QString m_file;
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VideoFrameExtractor *m_extractor;
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VideoOutput *m_out;
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};
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} //namespace FAV
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#endif // QTAV_VIDEOPREVIEWWIDGET_H
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#endif #if !(REMOVE_VIDEO_PREVIEW_WIDGET)
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