122 lines
6.0 KiB
C++
122 lines
6.0 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2014)
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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_VIDEOOUTPUT_H
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#define QTAV_VIDEOOUTPUT_H
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#include <QtCore/QObject>
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#include "VideoRenderer.h"
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namespace FAV {
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class VideoOutputPrivate;
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/*!
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* \brief The VideoOutput class
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* A VideoRenderer wrapper with QObject features. If create VideoOutput without a given renderer id, QtAV will try to create a widget based renderer, and dynamically load QtAVWidgets module if it's not loaded.
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*/
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class Q_AV_EXPORT VideoOutput : public QObject, public VideoRenderer
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{
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DPTR_DECLARE_PRIVATE(VideoOutput)
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Q_OBJECT
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Q_PROPERTY(qreal brightness READ brightness WRITE setBrightness NOTIFY brightnessChanged)
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Q_PROPERTY(qreal contrast READ contrast WRITE setContrast NOTIFY contrastChanged)
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Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged)
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Q_PROPERTY(qreal saturation READ saturation WRITE setSaturation NOTIFY saturationChanged)
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Q_PROPERTY(QColor backgroundColor READ backgroundColor WRITE setBackgroundColor NOTIFY backgroundColorChanged)
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Q_PROPERTY(QRectF regionOfInterest READ regionOfInterest WRITE setRegionOfInterest NOTIFY regionOfInterestChanged)
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Q_PROPERTY(qreal sourceAspectRatio READ sourceAspectRatio NOTIFY sourceAspectRatioChanged)
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Q_PROPERTY(qreal outAspectRatio READ outAspectRatio WRITE setOutAspectRatio NOTIFY outAspectRatioChanged)
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//fillMode
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// TODO: how to use enums in base class as property or Q_ENUM
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Q_PROPERTY(OutAspectRatioMode outAspectRatioMode READ outAspectRatioMode WRITE setOutAspectRatioMode NOTIFY outAspectRatioModeChanged)
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Q_ENUMS(OutAspectRatioMode)
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Q_PROPERTY(int orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
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Q_PROPERTY(QRect videoRect READ videoRect NOTIFY videoRectChanged)
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Q_PROPERTY(QSize videoFrameSize READ videoFrameSize NOTIFY videoFrameSizeChanged)
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Q_ENUMS(Quality)
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public:
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/*!
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* \brief VideoOutput
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* Create a QWidget based renderer. Result can be a QOpenGLWidget or QGLWidget based renderer if possible. Otherwise fallback to a software renderer
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*/
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VideoOutput(QObject *parent = 0);
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/*!
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* \brief VideoOutput
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* Create a renderer with given rendererId. MUST check VideoOutput::isAvailable() later!
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*/
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VideoOutput(VideoRendererId rendererId, QObject *parent = 0);
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~VideoOutput();
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VideoRendererId id() const Q_DECL_OVERRIDE;
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VideoFormat::PixelFormat preferredPixelFormat() const Q_DECL_OVERRIDE;
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bool isSupported(VideoFormat::PixelFormat pixfmt) const Q_DECL_OVERRIDE;
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QWindow* qwindow() Q_DECL_OVERRIDE Q_DECL_FINAL;
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QWidget* widget() Q_DECL_OVERRIDE Q_DECL_FINAL;
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QGraphicsItem* graphicsItem() Q_DECL_OVERRIDE Q_DECL_FINAL;
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OpenGLVideo* opengl() const Q_DECL_OVERRIDE;
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Q_SIGNALS:
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void sourceAspectRatioChanged(qreal value) Q_DECL_OVERRIDE Q_DECL_FINAL;
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void regionOfInterestChanged() Q_DECL_OVERRIDE;
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void outAspectRatioChanged() Q_DECL_OVERRIDE;
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void outAspectRatioModeChanged() Q_DECL_OVERRIDE;
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void brightnessChanged(qreal value) Q_DECL_OVERRIDE;
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void contrastChanged(qreal) Q_DECL_OVERRIDE;
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void hueChanged(qreal) Q_DECL_OVERRIDE;
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void saturationChanged(qreal) Q_DECL_OVERRIDE;
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void backgroundColorChanged() Q_DECL_OVERRIDE;
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void orientationChanged() Q_DECL_OVERRIDE;
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void videoRectChanged() Q_DECL_OVERRIDE;
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void videoFrameSizeChanged() Q_DECL_OVERRIDE;
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protected:
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bool eventFilter(QObject *obj, QEvent *event) Q_DECL_OVERRIDE;
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bool receiveFrame(const VideoFrame& frame) Q_DECL_OVERRIDE;
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void drawBackground() Q_DECL_OVERRIDE;
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void drawFrame() Q_DECL_OVERRIDE;
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void handlePaintEvent() Q_DECL_OVERRIDE;
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private:
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virtual bool onSetPreferredPixelFormat(VideoFormat::PixelFormat pixfmt) Q_DECL_OVERRIDE;
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virtual bool onForcePreferredPixelFormat(bool force = true) Q_DECL_OVERRIDE;
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virtual void onSetOutAspectRatioMode(OutAspectRatioMode mode) Q_DECL_OVERRIDE;
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virtual void onSetOutAspectRatio(qreal ratio) Q_DECL_OVERRIDE;
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virtual bool onSetQuality(Quality q) Q_DECL_OVERRIDE;
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virtual bool onSetOrientation(int value) Q_DECL_OVERRIDE;
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virtual void onResizeRenderer(int width, int height) Q_DECL_OVERRIDE;
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virtual bool onSetRegionOfInterest(const QRectF& roi) Q_DECL_OVERRIDE;
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virtual QPointF onMapToFrame(const QPointF& p) const Q_DECL_OVERRIDE;
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virtual QPointF onMapFromFrame(const QPointF& p) const Q_DECL_OVERRIDE;
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virtual bool onSetBrightness(qreal brightness) Q_DECL_OVERRIDE;
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virtual bool onSetContrast(qreal contrast) Q_DECL_OVERRIDE;
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virtual bool onSetHue(qreal hue) Q_DECL_OVERRIDE;
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virtual bool onSetSaturation(qreal saturation) Q_DECL_OVERRIDE;
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virtual void onSetBackgroundColor(const QColor& color) Q_DECL_OVERRIDE;
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// from AVOutput
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virtual void setStatistics(Statistics* statistics) Q_DECL_OVERRIDE; //called by friend AVPlayer
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virtual bool onInstallFilter(Filter *filter, int index) Q_DECL_OVERRIDE;
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virtual bool onUninstallFilter(Filter *filter) Q_DECL_OVERRIDE;
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virtual bool onHanlePendingTasks() Q_DECL_OVERRIDE;
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};
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} //namespace FAV
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#endif // QTAV_VIDEOOUTPUT_H
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