948 lines
26 KiB
C++
948 lines
26 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2016 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file VideoSubWindow.cpp
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* \brief Video Sub windows handling
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*/
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#include <QStaticText>
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#include "VideoSubWindow.h"
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#include "ModulesHandle.h"
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#include "ConfigureFormatDialog.h"
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#include "SubWindowAbstract.h"
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#include <QScrollArea>
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#if( QT_VERSION_PLAYUVER == 5 )
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#include "QtConcurrent/qtconcurrentrun.h"
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#endif
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/**
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* \brief Functions to control data stream from stream information
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*/
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QDataStream& operator<<( QDataStream& out, const PlaYUVerStreamInfoVector& array )
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{
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PlaYUVerStreamInfo d;
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out << array.size();
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for( Int i = 0; i < array.size(); i++ )
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{
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d = array.at( i );
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out << d.m_cFilename
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<< d.m_uiWidth
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<< d.m_uiHeight
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<< d.m_iPelFormat
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<< d.m_uiBitsPelPixel
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<< d.m_iEndianness
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<< d.m_uiFrameRate
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<< d.m_uiFileSize;
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}
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return out;
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}
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QDataStream& operator>>( QDataStream& in, PlaYUVerStreamInfoVector& array )
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{
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PlaYUVerStreamInfo d;
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Int array_size;
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in >> array_size;
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for( Int i = 0; i < array_size; i++ )
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{
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in >> d.m_cFilename;
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in >> d.m_uiWidth;
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in >> d.m_uiHeight;
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in >> d.m_iPelFormat;
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in >> d.m_uiBitsPelPixel;
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in >> d.m_iEndianness;
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in >> d.m_uiFrameRate;
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in >> d.m_uiFileSize;
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array.append( d );
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}
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return in;
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}
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Int findPlaYUVerStreamInfo( PlaYUVerStreamInfoVector array, QString filename )
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{
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for( Int i = 0; i < array.size(); i++ )
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if( array.at( i ).m_cFilename == filename )
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return i;
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return -1;
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}
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/**
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* \class VideoInformation
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* \brief Shows information about video sub window
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*/
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class VideoInformation: public QWidget
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{
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private:
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QList<QStaticText> m_cTopLeftTextList;
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QFont m_cTopLeftTextFont;
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QFont m_cCenterTextFont;
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Bool m_bBusyWindow;
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public:
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VideoInformation( QWidget *parent ) :
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QWidget( parent ),
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m_bBusyWindow( false )
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{
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setPalette( Qt::transparent );
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setAttribute( Qt::WA_TransparentForMouseEvents );
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m_cTopLeftTextFont.setPointSize( 8 );
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m_cCenterTextFont.setPointSize( 12 );
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}
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Void setInformationTopLeft( const QStringList& textLines )
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{
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m_cTopLeftTextList.clear();
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for( Int i = 0; i < textLines.size(); i++ )
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{
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m_cTopLeftTextList.append( textLines.at( i ) );
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}
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}
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Void setBusyWindow( Bool bFlag )
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{
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m_bBusyWindow = bFlag;
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}
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protected:
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void paintEvent( QPaintEvent *event )
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{
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QPainter painter( this );
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painter.setFont( m_cTopLeftTextFont );
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if( !m_cTopLeftTextList.isEmpty() && size().width() > 300 )
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{
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QPoint topLeftCorner( 10, 10 );
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for( Int i = 0; i < m_cTopLeftTextList.size(); i++ )
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{
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painter.drawStaticText( topLeftCorner, m_cTopLeftTextList.at( i ) );
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topLeftCorner += QPoint( 0, 15 );
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}
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}
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if( m_bBusyWindow )
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{
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painter.setFont( m_cCenterTextFont );
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painter.drawText( rect(), Qt::AlignHCenter | Qt::AlignVCenter, QStringLiteral( "Refreshing..." ) );
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painter.fillRect( rect(), QBrush( QColor::fromRgb( 255, 255, 255, 50 ), Qt::SolidPattern ) );
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}
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}
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};
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VideoSubWindow::VideoSubWindow( enum VideoSubWindowCategories category, QWidget * parent ) :
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SubWindowAbstract( parent, SubWindowAbstract::VIDEO_SUBWINDOW | category ),
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m_bWindowBusy( false ),
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m_pCurrStream( NULL ),
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m_pcCurrFrame( NULL ),
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m_pcCurrentDisplayModule( NULL ),
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m_pcReferenceSubWindow( NULL ),
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m_bIsPlaying( false )
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{
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// Create a new scroll area inside the sub-window
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m_pcScrollArea = new QScrollArea;
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connect( m_pcScrollArea->horizontalScrollBar(), SIGNAL( actionTriggered( int ) ), this, SLOT( updateCurScrollValues() ) );
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connect( m_pcScrollArea->verticalScrollBar(), SIGNAL( actionTriggered( int ) ), this, SLOT( updateCurScrollValues() ) );
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// Create a new interface to show images
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m_cViewArea = new ViewArea;
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connect( m_cViewArea, SIGNAL( zoomFactorChanged_byWheel( double , QPoint) ), this, SLOT( adjustScrollBarByScale( double, QPoint ) ) );
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connect( m_cViewArea, SIGNAL( zoomFactorChanged_byWheel( double , QPoint) ), this, SIGNAL( zoomFactorChanged_SWindow( double, QPoint ) ) );
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connect( m_cViewArea, SIGNAL( scrollBarMoved( QPoint ) ), this, SLOT( adjustScrollBarByOffset( QPoint ) ) );
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connect( m_cViewArea, SIGNAL( scrollBarMoved( QPoint ) ), this, SIGNAL( scrollBarMoved_SWindow( QPoint ) ) );
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connect( m_cViewArea, SIGNAL( selectionChanged( QRect ) ), this, SLOT( updateSelectedArea( QRect ) ) );
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connect( m_cViewArea, SIGNAL( positionChanged( const QPoint & ) ), this, SLOT( updatePixelValueStatusBar( const QPoint & ) ) );
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m_pcScrollArea->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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m_pcScrollArea->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
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// Define the cViewArea as the widget inside the scroll area
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m_pcScrollArea->setWidget( m_cViewArea );
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m_pcScrollArea->setWidgetResizable( true );
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setWidget( m_pcScrollArea );
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m_cLastScroll = QPoint();
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m_apcCurrentModule.clear();
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m_pcUpdateTimer = new QTimer();
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m_pcUpdateTimer->setInterval( 800 );
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connect( m_pcUpdateTimer, SIGNAL( timeout() ), this, SLOT( updateWindowOnTimeout() ) );
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//! Add video information
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m_pcVideoInfo = new VideoInformation( this );
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}
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VideoSubWindow::~VideoSubWindow()
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{
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m_pcCurrFrame = NULL;
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disableModule();
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delete m_cViewArea;
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if( m_pCurrStream )
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delete m_pCurrStream;
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}
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/**
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* Events handlers
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*/
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Void VideoSubWindow::keyPressEvent( QKeyEvent* event )
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{
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if( m_pcCurrentDisplayModule )
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{
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if( m_pcCurrentDisplayModule->getModuleRequirements() & MODULE_USES_KEYS )
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{
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Bool bRet = false;
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switch( event->key() )
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{
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case Qt::Key_A:
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bRet = m_pcCurrentDisplayModule->getModule()->keyPressed( MODULE_KEY_LEFT );
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break;
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case Qt::Key_D:
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bRet = m_pcCurrentDisplayModule->getModule()->keyPressed( MODULE_KEY_RIGHT );
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break;
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case Qt::Key_W:
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bRet = m_pcCurrentDisplayModule->getModule()->keyPressed( MODULE_KEY_UP );
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break;
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case Qt::Key_S:
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bRet = m_pcCurrentDisplayModule->getModule()->keyPressed( MODULE_KEY_DOWN );
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break;
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}
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if( bRet )
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{
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refreshFrame();
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return;
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}
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}
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}
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QWidget::keyPressEvent( event );
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}
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Void VideoSubWindow::resizeEvent( QResizeEvent* event )
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{
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m_pcVideoInfo->resize( event->size() );
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}
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/**
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* Size related handlers
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*/
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QSize VideoSubWindow::sizeHint() const
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{
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QSize maxSize;
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QWidget *p = parentWidget();
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if( p )
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{
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maxSize = p->size();
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}
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else
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{
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maxSize = QApplication::desktop()->availableGeometry().size();
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}
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return sizeHint( maxSize );
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}
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QSize VideoSubWindow::sizeHint( const QSize & maxSize ) const
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{
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QSize isize;
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if( m_pcCurrFrame )
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isize = QSize( m_pcCurrFrame->getWidth() + 50, m_pcCurrFrame->getHeight() + 50 );
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else if( m_pCurrStream )
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isize = QSize( m_pCurrStream->getWidth() + 50, m_pCurrStream->getHeight() + 50 );
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// If the VideoSubWindow needs more space that the avaiable, we'll give
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// to the subwindow a reasonable size preserving the image aspect ratio.
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if( !( isize.width() < maxSize.width() && isize.height() < maxSize.height() ) )
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{
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isize.scale( maxSize, Qt::KeepAspectRatio );
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}
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return isize;
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}
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Void VideoSubWindow::updateWindowOnTimeout()
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{
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m_pcVideoInfo->update();
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}
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Void VideoSubWindow::loadAll()
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{
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QApplication::setOverrideCursor( Qt::WaitCursor );
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m_pCurrStream->loadAll();
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refreshFrame();
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QApplication::restoreOverrideCursor();
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}
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Void VideoSubWindow::refreshSubWindow()
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{
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if( getCategory() & SubWindowAbstract::VIDEO_STREAM_SUBWINDOW )
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{
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if( !m_pCurrStream->reload() )
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{
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close();
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return;
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}
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//seekAbsoluteEvent( currFrameNum );
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}
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updateVideoWindowInfo();
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refreshFrame();
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}
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Bool VideoSubWindow::loadFile( QString cFilename, Bool bForceDialog )
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{
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ConfigureFormatDialog formatDialog( this );
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UInt Width = 0, Height = 0, BitsPel = 8, FrameRate = 30;
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Int Endianness = 0;
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Int InputFormat = PlaYUVerFrame::YUV420p;
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if( m_pCurrStream )
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m_pCurrStream->getFormat( Width, Height, InputFormat, BitsPel, Endianness, FrameRate );
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if( !m_pCurrStream )
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{
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m_pCurrStream = new PlaYUVerStream;
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}
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if( guessFormat( cFilename, Width, Height, InputFormat, FrameRate ) || bForceDialog )
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{
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if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate )
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== QDialog::Rejected )
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{
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return false;
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}
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}
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try
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{
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m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate, true );
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}
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catch( ... )
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{
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if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate )
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== QDialog::Rejected )
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{
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return false;
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}
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m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate, true );
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}
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m_sStreamInfo.m_cFilename = cFilename;
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m_sStreamInfo.m_uiWidth = Width;
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m_sStreamInfo.m_uiHeight = Height;
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m_sStreamInfo.m_iPelFormat = InputFormat;
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m_sStreamInfo.m_uiBitsPelPixel = BitsPel;
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m_sStreamInfo.m_iEndianness = Endianness;
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m_sStreamInfo.m_uiFrameRate = FrameRate;
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m_sStreamInfo.m_uiFileSize = QFileInfo( cFilename ).size();
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QApplication::restoreOverrideCursor();
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refreshFrame();
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m_cFilename = cFilename;
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updateVideoWindowInfo();
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setWindowName( QFileInfo( m_cFilename ).fileName() );
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return true;
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}
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Bool VideoSubWindow::loadFile( PlaYUVerStreamInfo* streamInfo )
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{
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if( !m_pCurrStream )
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{
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m_pCurrStream = new PlaYUVerStream;
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}
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if( !m_pCurrStream->open( streamInfo->m_cFilename.toStdString(), streamInfo->m_uiWidth, streamInfo->m_uiHeight, streamInfo->m_iPelFormat,
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streamInfo->m_uiBitsPelPixel, streamInfo->m_iEndianness, streamInfo->m_uiFrameRate, true ) )
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{
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return false;
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}
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m_sStreamInfo = *streamInfo;
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QApplication::restoreOverrideCursor();
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refreshFrame();
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m_cFilename = streamInfo->m_cFilename;
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updateVideoWindowInfo();
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setWindowName( QFileInfo( m_cFilename ).fileName() );
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return true;
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}
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Void VideoSubWindow::updateVideoWindowInfo()
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{
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m_cStreamInformation = "";
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if( m_pcCurrentDisplayModule )
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{
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m_cStreamInformation = "Module";
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QList<VideoSubWindow*> arraySubWindows = m_pcCurrentDisplayModule->getSubWindowList();
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QStringList sourceWindowList;
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if( arraySubWindows.size() > 0 )
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{
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for( Int i = 0; i < arraySubWindows.size(); i++ )
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{
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if( arraySubWindows.at( i )->getWindowName() != getWindowName() )
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{
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sourceWindowList.append( QString( "Input %1 - " + arraySubWindows.at( i )->getWindowName() ).arg( i + 1 ) );
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}
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}
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}
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//qDebug( ) << sourceWindowList;
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if( sourceWindowList.size() > 0 )
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{
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m_pcVideoInfo->setInformationTopLeft( sourceWindowList );
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}
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}
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else if( m_pCurrStream )
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{
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QString m_cFormatName = QString::fromStdString( m_pCurrStream->getFormatName() );
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QString m_cCodedName = QString::fromStdString( m_pCurrStream->getCodecName() );
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m_cStreamInformation = m_cFormatName + " | " + m_cCodedName;
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}
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//#if 0
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if( m_pcCurrFrame )
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{
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QString m_cPelFmtName = QString::fromStdString( m_pcCurrFrame->getPelFmtName() );
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m_cStreamInformation += " | " + m_cPelFmtName;
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}
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//#endif
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if( m_cStreamInformation.isEmpty() )
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{
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m_cStreamInformation = " ";
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}
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}
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Bool VideoSubWindow::guessFormat( QString filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rFrameRate )
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{
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std::vector<PlaYUVerStdResolution> stdResList = PlaYUVerStream::stdResolutionSizes();
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Bool bGuessed = true;
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Bool bGuessedByFilesize = false;
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QString FilenameShort = QFileInfo( filename ).fileName();
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QString fileExtension = QFileInfo( filename ).suffix();
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if( filename.startsWith( "/dev/" ) )
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{
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return false;
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}
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if( !fileExtension.compare( "yuv" ) )
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{
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bGuessed = false;
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// Guess pixel format
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QVector<String> formats_list = QVector<String>::fromStdVector( PlaYUVerFrame::supportedPixelFormatListNames() );
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for( Int i = 0; i < formats_list.size(); i++ )
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{
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if( FilenameShort.contains( formats_list.at( i ).c_str(), Qt::CaseInsensitive ) )
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{
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rInputFormat = i;
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break;
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}
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}
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if( rWidth == 0 || rHeight == 0 )
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{
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// Guess resolution - match resolution name
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Int iMatch = -1;
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for( UInt i = 0; i < stdResList.size(); i++ )
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{
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if( FilenameShort.contains( QString::fromStdString( stdResList[i].shortName ) ) )
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{
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iMatch = i;
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}
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}
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if( iMatch >= 0 )
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{
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rWidth = stdResList[iMatch].uiWidth;
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rHeight = stdResList[iMatch].uiHeight;
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}
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// Guess resolution - match %dx%d
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#if( QT_VERSION_PLAYUVER == 5 )
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QRegularExpressionMatch resolutionMatch = QRegularExpression( "_\\d*x\\d*" ).match( FilenameShort );
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if( resolutionMatch.hasMatch() )
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{
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QString resolutionString = resolutionMatch.captured( 0 );
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if( resolutionString.startsWith( "_" ) || resolutionString.endsWith( "_" ) )
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{
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resolutionString.remove( "_" );
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QStringList resolutionArgs = resolutionString.split( "x" );
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if( resolutionArgs.size() == 2 )
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{
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rWidth = resolutionArgs.at( 0 ).toUInt();
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rHeight = resolutionArgs.at( 1 ).toUInt();
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}
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}
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}
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#endif
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}
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|
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// Guess resolution by file size
|
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if( rWidth == 0 && rHeight == 0 )
|
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{
|
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Char *filename_char = new char[filename.length() + 1];
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memcpy( filename_char, filename.toUtf8().constData(), filename.length() + 1 * sizeof(char) );
|
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FILE* pF = fopen( filename_char, "rb" );
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if( pF )
|
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{
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fseek( pF, 0, SEEK_END );
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UInt64 uiFileSize = ftell( pF );
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fclose( pF );
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delete[] filename_char;
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|
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Int count = 0, module, frame_bytes, match;
|
|
for( UInt i = 0; i < stdResList.size(); i++ )
|
|
{
|
|
frame_bytes = PlaYUVerFrame::getBytesPerFrame( stdResList[i].uiWidth, stdResList[i].uiHeight, rInputFormat, 8 );
|
|
module = uiFileSize % frame_bytes;
|
|
if( module == 0 )
|
|
{
|
|
match = i;
|
|
count++;
|
|
}
|
|
}
|
|
if( count == 1 )
|
|
{
|
|
rWidth = stdResList[match].uiWidth;
|
|
rHeight = stdResList[match].uiHeight;
|
|
bGuessedByFilesize = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( rWidth > 0 && rHeight > 0 && rInputFormat >= 0 )
|
|
bGuessed = true && !bGuessedByFilesize;
|
|
}
|
|
return !bGuessed;
|
|
}
|
|
|
|
Void VideoSubWindow::updateSelectedArea( QRect area )
|
|
{
|
|
m_cSelectedArea = area;
|
|
}
|
|
|
|
/**
|
|
* Functions to enable a module in the
|
|
* current SubWindow
|
|
*/
|
|
Void VideoSubWindow::enableModule( PlaYUVerAppModuleIf* pcModule )
|
|
{
|
|
if( m_pcCurrentDisplayModule )
|
|
{
|
|
disableModule( m_pcCurrentDisplayModule );
|
|
}
|
|
m_pcCurrentDisplayModule = pcModule;
|
|
updateVideoWindowInfo();
|
|
}
|
|
|
|
Void VideoSubWindow::disableModule( PlaYUVerAppModuleIf* pcModule )
|
|
{
|
|
Bool bRefresh = false;
|
|
if( pcModule )
|
|
{
|
|
Int modIdx = m_apcCurrentModule.indexOf( pcModule );
|
|
if( modIdx != -1 )
|
|
{
|
|
m_apcCurrentModule.removeAt( modIdx );
|
|
ModulesHandle::destroyModuleIf( pcModule );
|
|
bRefresh |= true;
|
|
}
|
|
if( pcModule == m_pcCurrentDisplayModule )
|
|
{
|
|
pcModule = m_pcCurrentDisplayModule;
|
|
m_pcCurrentDisplayModule = 0;
|
|
ModulesHandle::destroyModuleIf( pcModule );
|
|
setWindowName( QFileInfo( m_cFilename ).fileName() );
|
|
bRefresh |= true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
QList<PlaYUVerAppModuleIf*> apcCurrentModule = m_apcCurrentModule;
|
|
for( Int i = 0; i < apcCurrentModule.size(); i++ )
|
|
{
|
|
m_apcCurrentModule.removeOne( apcCurrentModule.at( i ) );
|
|
ModulesHandle::destroyModuleIf( apcCurrentModule.at( i ) );
|
|
bRefresh |= true;
|
|
}
|
|
assert( m_apcCurrentModule.size() == 0 );
|
|
if( m_pcCurrentDisplayModule )
|
|
{
|
|
pcModule = m_pcCurrentDisplayModule;
|
|
m_pcCurrentDisplayModule = 0;
|
|
ModulesHandle::destroyModuleIf( pcModule );
|
|
setWindowName( QFileInfo( m_cFilename ).fileName() );
|
|
bRefresh |= true;
|
|
}
|
|
}
|
|
if( bRefresh )
|
|
{
|
|
refreshFrame();
|
|
updateVideoWindowInfo();
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::associateModule( PlaYUVerAppModuleIf* pcModule )
|
|
{
|
|
m_apcCurrentModule.append( pcModule );
|
|
}
|
|
|
|
Void VideoSubWindow::setFillWindow( Bool bFlag )
|
|
{
|
|
m_pcVideoInfo->setBusyWindow( bFlag );
|
|
}
|
|
|
|
Void VideoSubWindow::setCurrFrame( PlaYUVerFrame* pcCurrFrame )
|
|
{
|
|
m_pcCurrFrame = pcCurrFrame;
|
|
m_cViewArea->setImage( m_pcCurrFrame );
|
|
}
|
|
|
|
Void VideoSubWindow::refreshFrameOperation()
|
|
{
|
|
Bool bSetFrame = false;
|
|
if( m_pCurrStream )
|
|
{
|
|
m_pcCurrFrame = m_pCurrStream->getCurrFrame();
|
|
bSetFrame = m_pcCurrFrame ? true : false;
|
|
}
|
|
if( m_pcCurrentDisplayModule )
|
|
{
|
|
m_bWindowBusy = true;
|
|
m_pcCurrentDisplayModule->apply( m_bIsPlaying, !m_bIsPlaying && m_apcCurrentModule.size() );
|
|
bSetFrame = false;
|
|
}
|
|
if( bSetFrame )
|
|
{
|
|
m_cViewArea->setImage( m_pcCurrFrame );
|
|
}
|
|
for( Int i = 0; i < m_apcCurrentModule.size() && !m_bIsPlaying; i++ )
|
|
{
|
|
m_apcCurrentModule.at( i )->update();
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::refreshFrame( Bool bThreaded )
|
|
{
|
|
#ifndef QT_NO_CONCURRENT
|
|
m_cRefreshResult.waitForFinished();
|
|
if( bThreaded )
|
|
{
|
|
m_cRefreshResult = QtConcurrent::run( this, &VideoSubWindow::refreshFrameOperation );
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
refreshFrameOperation();
|
|
}
|
|
}
|
|
|
|
Bool VideoSubWindow::save( QString filename )
|
|
{
|
|
Bool iRet = false;
|
|
QApplication::setOverrideCursor( Qt::WaitCursor );
|
|
|
|
PlaYUVerFrame* saveFrame = m_pcCurrFrame;
|
|
if( m_cSelectedArea.isValid() )
|
|
{
|
|
saveFrame = new PlaYUVerFrame( m_pcCurrFrame, m_cSelectedArea.x(), m_cSelectedArea.y(), m_cSelectedArea.width(), m_cSelectedArea.height() );
|
|
}
|
|
if( !saveFrame )
|
|
{
|
|
return false;
|
|
}
|
|
iRet = PlaYUVerStream::saveFrame( filename.toStdString(), saveFrame );
|
|
QApplication::restoreOverrideCursor();
|
|
return iRet;
|
|
}
|
|
|
|
Bool VideoSubWindow::play()
|
|
{
|
|
if( m_pCurrStream && m_pCurrStream->getFrameNum() > 1 )
|
|
{
|
|
m_bIsPlaying = true;
|
|
}
|
|
else
|
|
{
|
|
m_bIsPlaying = false;
|
|
}
|
|
return m_bIsPlaying;
|
|
}
|
|
|
|
Bool VideoSubWindow::playEvent()
|
|
{
|
|
Bool bEndOfSeq = false;
|
|
if( m_pCurrStream && m_bIsPlaying )
|
|
{
|
|
#ifndef QT_NO_CONCURRENT
|
|
m_cRefreshResult.waitForFinished();
|
|
m_cReadResult.waitForFinished();
|
|
#endif
|
|
bEndOfSeq = m_pCurrStream->setNextFrame();
|
|
if( !bEndOfSeq )
|
|
{
|
|
refreshFrame();
|
|
#ifndef QT_NO_CONCURRENT
|
|
m_cReadResult = QtConcurrent::run( m_pCurrStream, &PlaYUVerStream::readFrameFillRGBBuffer );
|
|
#else
|
|
m_pCurrStream->readFrameFillRGBBuffer();
|
|
#endif
|
|
}
|
|
}
|
|
return bEndOfSeq;
|
|
}
|
|
|
|
Void VideoSubWindow::pause()
|
|
{
|
|
m_bIsPlaying = false;
|
|
refreshFrame();
|
|
}
|
|
|
|
Void VideoSubWindow::seekAbsoluteEvent( UInt new_frame_num )
|
|
{
|
|
if( m_pCurrStream )
|
|
{
|
|
if( m_pCurrStream->seekInput( new_frame_num ) )
|
|
{
|
|
refreshFrame();
|
|
}
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::seekRelativeEvent( Bool bIsFoward )
|
|
{
|
|
if( m_pCurrStream )
|
|
{
|
|
if( m_pCurrStream->seekInputRelative( bIsFoward ) )
|
|
{
|
|
refreshFrame();
|
|
}
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::stop()
|
|
{
|
|
m_bIsPlaying = false;
|
|
seekAbsoluteEvent( 0 );
|
|
return;
|
|
}
|
|
|
|
QSize VideoSubWindow::getScrollSize()
|
|
{
|
|
return QSize( m_pcScrollArea->viewport()->size().width() - 5, m_pcScrollArea->viewport()->size().height() - 5 );
|
|
}
|
|
|
|
Void VideoSubWindow::adjustScrollBarByOffset( QPoint Offset )
|
|
{
|
|
QPoint cLastScroll = m_cCurrScroll;
|
|
QScrollBar *scrollBarH, *scrollBarV;
|
|
Int valueX, valueY;
|
|
|
|
valueX = int( cLastScroll.x() + Offset.x() );
|
|
valueY = int( cLastScroll.y() + Offset.y() );
|
|
|
|
scrollBarH = m_pcScrollArea->horizontalScrollBar();
|
|
if( valueX > scrollBarH->maximum() )
|
|
valueX = scrollBarH->maximum();
|
|
if( valueX < scrollBarH->minimum() )
|
|
valueX = scrollBarH->minimum();
|
|
m_cCurrScroll.setX( valueX );
|
|
|
|
scrollBarV = m_pcScrollArea->verticalScrollBar();
|
|
if( valueY > scrollBarV->maximum() )
|
|
valueY = scrollBarV->maximum();
|
|
if( valueY < scrollBarV->minimum() )
|
|
valueY = scrollBarV->minimum();
|
|
m_cCurrScroll.setY( valueY );
|
|
|
|
// Update window scroll
|
|
scrollBarH->setValue( m_cCurrScroll.x() );
|
|
scrollBarV->setValue( m_cCurrScroll.y() );
|
|
}
|
|
|
|
// This function was developed with help of the schematics presented in
|
|
// http://stackoverflow.com/questions/13155382/jscrollpane-zoom-relative-to-mouse-position
|
|
Void VideoSubWindow::adjustScrollBarByScale( Double scale, QPoint center )
|
|
{
|
|
QPoint cLastScroll = m_cCurrScroll;
|
|
QScrollBar *scrollBarH, *scrollBarV;
|
|
|
|
scrollBarH = m_pcScrollArea->horizontalScrollBar();
|
|
if( center.isNull() )
|
|
{
|
|
m_cCurrScroll.setX( int( scale * cLastScroll.x() + ( ( scale - 1 ) * scrollBarH->pageStep() / 2 ) ) );
|
|
}
|
|
else
|
|
{
|
|
Int x = center.x() - cLastScroll.x();
|
|
Int value = int( scale * cLastScroll.x() + ( ( scale - 1 ) * x ) );
|
|
if( value > scrollBarH->maximum() )
|
|
value = scrollBarH->maximum();
|
|
if( value < scrollBarH->minimum() )
|
|
value = scrollBarH->minimum();
|
|
m_cCurrScroll.setX( value );
|
|
}
|
|
|
|
scrollBarV = m_pcScrollArea->verticalScrollBar();
|
|
if( center.isNull() )
|
|
{
|
|
m_cCurrScroll.setY( int( scale * cLastScroll.y() + ( ( scale - 1 ) * scrollBarV->pageStep() / 2 ) ) );
|
|
}
|
|
else
|
|
{
|
|
Int y = center.y() - cLastScroll.y();
|
|
Int value = int( scale * cLastScroll.y() + ( ( scale - 1 ) * y ) );
|
|
if( value > scrollBarV->maximum() )
|
|
value = scrollBarV->maximum();
|
|
if( value < scrollBarV->minimum() )
|
|
value = scrollBarV->minimum();
|
|
m_cCurrScroll.setY( value );
|
|
}
|
|
|
|
// Update window scroll
|
|
scrollBarH->setValue( m_cCurrScroll.x() );
|
|
scrollBarV->setValue( m_cCurrScroll.y() );
|
|
|
|
}
|
|
|
|
Void VideoSubWindow::updateCurScrollValues()
|
|
{
|
|
QScrollBar *scrollBar = m_pcScrollArea->horizontalScrollBar();
|
|
m_cCurrScroll.setX( scrollBar->value() );
|
|
scrollBar = m_pcScrollArea->verticalScrollBar();
|
|
m_cCurrScroll.setY( scrollBar->value() );
|
|
}
|
|
|
|
Void VideoSubWindow::setCurScrollValues()
|
|
{
|
|
QScrollBar *scrollBar = m_pcScrollArea->horizontalScrollBar();
|
|
scrollBar->setValue( m_cCurrScroll.x() );
|
|
scrollBar = m_pcScrollArea->verticalScrollBar();
|
|
scrollBar->setValue( m_cCurrScroll.y() );
|
|
}
|
|
|
|
Void VideoSubWindow::normalSize()
|
|
{
|
|
Double factor = 1.0;
|
|
Double curFactor = getScaleFactor();
|
|
if( factor != curFactor )
|
|
{
|
|
Double usedScale;
|
|
usedScale = m_cViewArea->scaleZoomFactor( factor / curFactor, QPoint(), QSize() );
|
|
adjustScrollBarByScale( usedScale, QPoint() );
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::zoomToFit()
|
|
{
|
|
// Scale to a smaller size that the real to a nicer look
|
|
scaleView( getScrollSize() );
|
|
}
|
|
|
|
Void VideoSubWindow::zoomToFactor( Double factor, QPoint center )
|
|
{
|
|
Double curFactor;
|
|
curFactor = getScaleFactor();
|
|
if( factor != curFactor )
|
|
{
|
|
Double usedScale;
|
|
usedScale = m_cViewArea->scaleZoomFactor( factor / curFactor, center, QSize() );
|
|
adjustScrollBarByScale( usedScale, center );
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::scaleView( Double scale, QPoint center )
|
|
{
|
|
Q_ASSERT( !m_cViewArea->image().isNull() );
|
|
if( scale != 1.0 )
|
|
{
|
|
Double usedScale;
|
|
usedScale = m_cViewArea->scaleZoomFactor( scale, center, getScrollSize() );
|
|
adjustScrollBarByScale( usedScale, center );
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::scaleView( const QSize & size, QPoint center )
|
|
{
|
|
QSize imgViewSize;
|
|
if( m_pcCurrFrame )
|
|
imgViewSize = QSize( m_pcCurrFrame->getWidth(), m_pcCurrFrame->getHeight() );
|
|
else
|
|
imgViewSize = QSize( m_pCurrStream->getWidth(), m_pCurrStream->getHeight() );
|
|
QSize newSize = imgViewSize;
|
|
newSize.scale( size, Qt::KeepAspectRatio );
|
|
|
|
// Calc the zoom factor
|
|
Double wfactor = 1;
|
|
Double hfactor = 1;
|
|
Double factor;
|
|
|
|
wfactor = ( Double )newSize.width() / imgViewSize.width();
|
|
hfactor = ( Double )newSize.height() / imgViewSize.height();
|
|
|
|
if( wfactor < hfactor )
|
|
factor = wfactor;
|
|
else
|
|
factor = hfactor;
|
|
|
|
Double curFactor = getScaleFactor();
|
|
if( factor != curFactor )
|
|
{
|
|
Double usedScale;
|
|
usedScale = m_cViewArea->scaleZoomFactor( factor / curFactor, center, getScrollSize() );
|
|
adjustScrollBarByScale( usedScale, center );
|
|
}
|
|
}
|
|
|
|
Void VideoSubWindow::updatePixelValueStatusBar( const QPoint& pos )
|
|
{
|
|
if( m_pcCurrFrame )
|
|
{
|
|
PlaYUVerPixel sPixelValue;
|
|
Int iWidth, iHeight;
|
|
Int posX = pos.x();
|
|
Int posY = pos.y();
|
|
QString strStatus;
|
|
|
|
iWidth = m_pcCurrFrame->getWidth();
|
|
iHeight = m_pcCurrFrame->getHeight();
|
|
|
|
if( ( posX < iWidth ) && ( posX >= 0 ) && ( posY < iHeight ) && ( posY >= 0 ) )
|
|
{
|
|
strStatus = QString( "(%1,%2) " ).arg( posX ).arg( posY );
|
|
|
|
Int ColorSpace = m_pcCurrFrame->getColorSpace();
|
|
if( ColorSpace == PlaYUVerPixel::COLOR_GRAY )
|
|
{
|
|
sPixelValue = m_pcCurrFrame->getPixelValue( pos.x(), pos.y() );
|
|
strStatus.append( QString( "Y: %1" ).arg( sPixelValue.Y() ) );
|
|
}
|
|
if( ColorSpace == PlaYUVerPixel::COLOR_YUV )
|
|
{
|
|
sPixelValue = m_pcCurrFrame->getPixelValue( pos.x(), pos.y() );
|
|
strStatus.append( QString( "Y: %1 U: %2 V: %3" ).arg( sPixelValue.Y() ).arg( sPixelValue.Cb() ).arg( sPixelValue.Cr() ) );
|
|
}
|
|
|
|
if( ( ColorSpace == PlaYUVerPixel::COLOR_RGB ) )
|
|
{
|
|
sPixelValue = m_pcCurrFrame->getPixelValue( pos.x(), pos.y() );
|
|
strStatus.append( QString( "R: %1 G: %2 B: %3" ).arg( sPixelValue.R() ).arg( sPixelValue.G() ).arg( sPixelValue.B() ) );
|
|
}
|
|
emit updateStatusBar( strStatus );
|
|
}
|
|
}
|
|
}
|