571 lines
18 KiB
C++
571 lines
18 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2015 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 VideoHandle.h
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* \brief Class to handle video playback
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*/
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#include "lib/PlaYUVerDefs.h"
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#include <QtGui>
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#include "PlaYUVerSubWindowHandle.h"
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#include "VideoHandle.h"
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#include "DialogSubWindowSelector.h"
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namespace plaYUVer
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{
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VideoHandle::VideoHandle( QWidget* parent, PlaYUVerSubWindowHandle* windowManager ) :
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m_pcParet( parent ),
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m_pcMainWindowManager( windowManager )
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{
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m_pcCurrentVideoSubWindow = NULL;
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m_bIsPlaying = false;
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m_pcPlayingTimer = new QTimer;
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#if( QT_VERSION_PLAYUVER == 5 )
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m_pcPlayingTimer->setTimerType( Qt::CoarseTimer );
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#endif
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connect( m_pcPlayingTimer, SIGNAL( timeout() ), this, SLOT( playEvent() ) );
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m_acPlayingSubWindows.clear();
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}
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VideoHandle::~VideoHandle()
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{
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}
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Void VideoHandle::createActions()
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{
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m_arrayActions.resize( TOTAL_ACT );
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m_arrayActions[PLAY_ACT] = new QAction( "Play", this );
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m_arrayActions[PLAY_ACT]->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaPlay ) ) );
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m_arrayActions[PLAY_ACT]->setShortcut( Qt::Key_Space );
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connect( m_arrayActions[PLAY_ACT], SIGNAL( triggered() ), this, SLOT( play() ) );
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m_arrayActions[STOP_ACT] = new QAction( "Stop", this );
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m_arrayActions[STOP_ACT]->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaStop ) ) );
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connect( m_arrayActions[STOP_ACT], SIGNAL( triggered() ), this, SLOT( stop() ) );
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m_mapperVideoSeek = new QSignalMapper( this );
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connect( m_mapperVideoSeek, SIGNAL( mapped(int) ), this, SLOT( seekEvent(int) ) );
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m_arrayActions[VIDEO_BACKWARD_ACT] = new QAction( "Video Backward", this );
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m_arrayActions[VIDEO_BACKWARD_ACT]->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaSeekBackward ) ) );
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m_arrayActions[VIDEO_BACKWARD_ACT]->setShortcut( Qt::Key_Left );
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connect( m_arrayActions[VIDEO_BACKWARD_ACT], SIGNAL( triggered() ), m_mapperVideoSeek, SLOT( map() ) );
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m_mapperVideoSeek->setMapping( m_arrayActions[VIDEO_BACKWARD_ACT], 0 );
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m_arrayActions[VIDEO_FORWARD_ACT] = new QAction( "Video Forward", this );
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m_arrayActions[VIDEO_FORWARD_ACT]->setIcon( QIcon( style()->standardIcon( QStyle::SP_MediaSeekForward ) ) );
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m_arrayActions[VIDEO_FORWARD_ACT]->setShortcut( Qt::Key_Right );
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connect( m_arrayActions[VIDEO_FORWARD_ACT], SIGNAL( triggered() ), m_mapperVideoSeek, SLOT( map() ) );
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m_mapperVideoSeek->setMapping( m_arrayActions[VIDEO_FORWARD_ACT], 1 );
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m_arrayActions[VIDEO_LOOP_ACT] = new QAction( "Repeat", this );
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m_arrayActions[VIDEO_LOOP_ACT]->setCheckable( true );
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m_arrayActions[VIDEO_LOOP_ACT]->setChecked( false );
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m_arrayActions[VIDEO_ZOOM_LOCK_ACT] = new QAction( "Video Zoom Lock", this );
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m_arrayActions[VIDEO_ZOOM_LOCK_ACT]->setCheckable( true );
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m_arrayActions[VIDEO_ZOOM_LOCK_ACT]->setChecked( false );
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m_arrayActions[VIDEO_LOCK_SELECTION_ACT] = new QAction( "Video Lock Window Selection", this );
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connect( m_arrayActions[VIDEO_LOCK_SELECTION_ACT], SIGNAL( triggered() ), this, SLOT( videoSelectionButtonEvent() ) );
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m_pcFrameSlider = new QSlider;
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m_pcFrameSlider->setOrientation( Qt::Horizontal );
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m_pcFrameSlider->setMaximumWidth( 100 );
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m_pcFrameSlider->setMaximumWidth( /* 300 */2000 );
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m_pcFrameSlider->setSizePolicy( QSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Fixed ) );
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m_pcFrameSlider->setEnabled( false );
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connect( m_pcFrameSlider, SIGNAL( sliderMoved(int) ), this, SLOT( seekSliderEvent(int) ) );
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}
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QMenu* VideoHandle::createMenu()
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{
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m_pcMenuVideo = new QMenu( "Video", this );
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m_pcMenuVideo->addAction( m_arrayActions[PLAY_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[STOP_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[VIDEO_BACKWARD_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[VIDEO_FORWARD_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[VIDEO_LOOP_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[VIDEO_ZOOM_LOCK_ACT] );
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m_pcMenuVideo->addAction( m_arrayActions[VIDEO_LOCK_SELECTION_ACT] );
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return m_pcMenuVideo;
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}
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QToolBar* VideoHandle::createToolBar()
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{
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m_toolbarVideo = new QToolBar( tr( "Video" ) );
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m_toolbarVideo->setAllowedAreas( Qt::TopToolBarArea | Qt::BottomToolBarArea );
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m_toolbarVideo->addAction( m_arrayActions[PLAY_ACT] );
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m_toolbarVideo->addAction( m_arrayActions[STOP_ACT] );
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QLabel* pcLockLabel = new QLabel( "PlayingLock", this );
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m_arrayActions[VIDEO_LOCK_ACT] = m_toolbarVideo->addWidget( pcLockLabel );
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m_arrayActions[VIDEO_LOCK_ACT]->setVisible( false );
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m_toolbarVideo->addAction( m_arrayActions[VIDEO_BACKWARD_ACT] );
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m_toolbarVideo->addWidget( m_pcFrameSlider );
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m_toolbarVideo->addAction( m_arrayActions[VIDEO_FORWARD_ACT] );
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m_toolbarVideo->addWidget( new QLabel );
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m_pcFrameNumInfo = new WidgetFrameNumber;
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m_toolbarVideo->addWidget( m_pcFrameNumInfo );
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return m_toolbarVideo;
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}
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QDockWidget* VideoHandle::createDock()
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{
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m_pcFramePropertiesSideBar = new FramePropertiesSideBar( this, &m_bIsPlaying );
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m_pcFramePropertiesDock = new QDockWidget( tr( "Frame Information" ), this );
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m_pcFramePropertiesDock->setAllowedAreas( Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea );
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m_pcFramePropertiesDock->setWidget( m_pcFramePropertiesSideBar );
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connect( m_pcFramePropertiesDock, SIGNAL( visibilityChanged(bool) ), this, SLOT( update() ) );
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return m_pcFramePropertiesDock;
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}
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QWidget* VideoHandle::createStatusBarMessage()
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{
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QWidget* pcStatusBarWidget = new QWidget;
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QHBoxLayout* mainlayout = new QHBoxLayout;
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m_pcVideoFormatLabel = new QLabel;
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m_pcVideoFormatLabel->setText( " " );
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m_pcVideoFormatLabel->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
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m_pcVideoFormatLabel->setMinimumWidth( 150 );
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m_pcVideoFormatLabel->setAlignment( Qt::AlignCenter );
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m_pcResolutionLabel = new QLabel;
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m_pcResolutionLabel->setText( " " );
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m_pcResolutionLabel->setSizePolicy( QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ) );
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m_pcResolutionLabel->setMinimumWidth( 90 );
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m_pcResolutionLabel->setAlignment( Qt::AlignCenter );
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mainlayout->addWidget( m_pcVideoFormatLabel );
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mainlayout->addWidget( m_pcResolutionLabel );
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pcStatusBarWidget->setLayout( mainlayout );
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return pcStatusBarWidget;
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}
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Void VideoHandle::updateMenus()
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{
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VideoSubWindow* pcSubWindow = qobject_cast<VideoSubWindow *>( m_pcMainWindowManager->activeSubWindow() );
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Bool hasSubWindow = pcSubWindow ? true : false;
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m_arrayActions[PLAY_ACT]->setEnabled( hasSubWindow );
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//m_arrayActions[PAUSE_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[STOP_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[VIDEO_BACKWARD_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[VIDEO_FORWARD_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[VIDEO_LOOP_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[VIDEO_ZOOM_LOCK_ACT]->setEnabled( hasSubWindow );
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m_arrayActions[VIDEO_LOCK_SELECTION_ACT]->setEnabled( hasSubWindow );
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m_pcFrameSlider->setEnabled( hasSubWindow );
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if( !hasSubWindow )
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{
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m_pcFrameSlider->setValue( 0 );
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m_pcFrameNumInfo->clear();
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}
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}
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Void VideoHandle::readSettings()
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{
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QSettings appSettings;
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m_arrayActions[VIDEO_LOOP_ACT]->setChecked( appSettings.value( "VideoHandle/Repeat", false ).toBool() );
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if( !appSettings.value( "VideoHandle/FrameProperties", true ).toBool() )
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m_pcFramePropertiesDock->close();
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}
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Void VideoHandle::writeSettings()
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{
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QSettings appSettings;
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appSettings.setValue( "VideoHandle/Repeat", m_arrayActions[VIDEO_LOOP_ACT]->isChecked() );
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appSettings.setValue( "VideoHandle/FrameProperties", m_pcFramePropertiesSideBar->isVisible() );
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}
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Void VideoHandle::update()
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{
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if( m_pcCurrentVideoSubWindow )
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{
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PlaYUVerStream* pcStream = m_pcCurrentVideoSubWindow->getInputStream();
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PlaYUVerFrame* pcFrame = m_pcCurrentVideoSubWindow->getCurrFrame();
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Int frame_num = 0;
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UInt64 total_frame_num = 1;
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m_pcVideoFormatLabel->setText( m_pcCurrentVideoSubWindow->getStreamInformation() );
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QString resolution;
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if( pcFrame )
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{
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resolution.append( QString( "%1x%2" ).arg( pcFrame->getWidth() ).arg( pcFrame->getHeight() ) );
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}
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if( pcStream )
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{
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frame_num = pcStream->getCurrFrameNum();
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m_pcFrameNumInfo->setCurrFrameNum( frame_num );
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total_frame_num = getMaxFrameNumber();
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resolution.append( QString( "@%1" ).arg( pcStream->getFrameRate() ) );
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}
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else
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{
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m_pcFrameNumInfo->setCurrFrameNum( 0 );
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}
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if( pcFrame )
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m_pcResolutionLabel->setText( resolution );
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m_pcFramePropertiesSideBar->setData( pcFrame, m_pcCurrentVideoSubWindow->isPlaying() );
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m_pcFrameSlider->setValue( frame_num );
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m_pcFrameSlider->setMaximum( total_frame_num - 1 );
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m_pcFrameNumInfo->setTotalFrameNum( total_frame_num );
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if( m_pcCurrentVideoSubWindow->isPlaying() )
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m_arrayActions[PLAY_ACT]->setIcon( style()->standardIcon( QStyle::SP_MediaPause ) );
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else
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m_arrayActions[PLAY_ACT]->setIcon( style()->standardIcon( QStyle::SP_MediaPlay ) );
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}
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else
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{
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m_pcFramePropertiesSideBar->setData( NULL, false );
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m_pcFrameSlider->setValue( 0 );
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m_pcFrameNumInfo->clear();
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}
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}
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Void VideoHandle::update( VideoSubWindow* currSubWindow )
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{
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m_pcCurrentVideoSubWindow = currSubWindow;
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update();
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}
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Void VideoHandle::updateSelectionArea( QRect area )
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{
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if( m_pcCurrentVideoSubWindow )
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{
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m_pcFramePropertiesSideBar->setSelection( area );
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}
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}
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Void VideoHandle::closeSubWindow( VideoSubWindow* currSubWindow )
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{
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if( m_acPlayingSubWindows.contains( currSubWindow ) )
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{
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Int pos = m_acPlayingSubWindows.indexOf( currSubWindow );
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m_acPlayingSubWindows.at( pos )->stop();
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m_acPlayingSubWindows.remove( pos );
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if( m_acPlayingSubWindows.size() < 2 )
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{
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m_arrayActions[VIDEO_LOCK_ACT]->setVisible( false );
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}
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}
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}
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Void VideoHandle::zoomToFactorAll( const Double scale, const QPoint center )
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{
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Double factor;
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if( m_arrayActions[VIDEO_ZOOM_LOCK_ACT]->isChecked() )
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{
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factor = m_pcCurrentVideoSubWindow->getScaleFactor();
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SubWindowHandle *subWindow;
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QList<SubWindowHandle*> subWindowList = m_pcMainWindowManager->findSubWindow( SubWindowHandle::VIDEO_SUBWINDOW );
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for( Int i = 0; i < subWindowList.size(); i++ )
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{
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subWindow = subWindowList.at( i );
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if( m_pcCurrentVideoSubWindow == subWindow )
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continue;
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else
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{
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subWindow->zoomToFactor( factor, center );
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}
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}
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}
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}
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Void VideoHandle::moveAllScrollBars( const QPoint offset )
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{
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if( m_arrayActions[VIDEO_ZOOM_LOCK_ACT]->isChecked() )
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{
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QList<SubWindowHandle*> subWindowList = m_pcMainWindowManager->findSubWindow( SubWindowHandle::VIDEO_SUBWINDOW );
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for( Int i = 0; i < subWindowList.size(); i++ )
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{
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if( m_pcCurrentVideoSubWindow == subWindowList.at( i ) )
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continue;
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else
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subWindowList.at( i )->adjustScrollBarByOffset( offset );
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}
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}
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}
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UInt64 VideoHandle::getMaxFrameNumber()
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{
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UInt currFrames;
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UInt64 maxFrames = INT_MAX;
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if( m_pcCurrentVideoSubWindow )
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{
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if( m_acPlayingSubWindows.contains( m_pcCurrentVideoSubWindow ) )
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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currFrames = m_acPlayingSubWindows.at( i )->getInputStream()->getFrameNum();
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if( currFrames < maxFrames )
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maxFrames = currFrames;
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}
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}
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else
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{
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maxFrames = m_pcCurrentVideoSubWindow->getInputStream()->getFrameNum();
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}
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}
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return maxFrames;
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}
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Void VideoHandle::setTimerStatus()
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{
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Bool status = false;
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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status |= m_acPlayingSubWindows.at( i )->isPlaying();
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}
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if( m_pcCurrentVideoSubWindow )
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{
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status |= m_pcCurrentVideoSubWindow->isPlaying();
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}
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if( status )
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{
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if( !m_bIsPlaying )
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{
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m_pcPlayingTimer->start();
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m_bIsPlaying = true;
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}
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}
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else
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{
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m_pcPlayingTimer->stop();
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m_bIsPlaying = false;
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}
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}
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Void VideoHandle::play()
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{
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if( !m_pcCurrentVideoSubWindow )
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return;
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if( !m_pcCurrentVideoSubWindow->getInputStream() )
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return;
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if( !m_pcCurrentVideoSubWindow->isPlaying() ) // Not playing
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{
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UInt frameRate;
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UInt timeInterval;
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if( m_acPlayingSubWindows.size() < 2 )
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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m_acPlayingSubWindows.at( i )->pause();
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}
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m_acPlayingSubWindows.clear();
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m_acPlayingSubWindows.append( m_pcCurrentVideoSubWindow );
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}
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if( m_acPlayingSubWindows.contains( m_pcCurrentVideoSubWindow ) )
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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m_acPlayingSubWindows.at( i )->play();
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}
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frameRate = m_acPlayingSubWindows.at( 0 )->getInputStream()->getFrameRate();
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timeInterval = ( UInt )( 1000.0 / frameRate + 0.5 );
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m_pcPlayingTimer->setInterval( timeInterval );
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}
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}
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else
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{
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if( m_acPlayingSubWindows.contains( m_pcCurrentVideoSubWindow ) )
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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m_acPlayingSubWindows.at( i )->pause();
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}
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}
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else
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{
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m_pcCurrentVideoSubWindow->pause();
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}
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}
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setTimerStatus();
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emit changed();
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//update();
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}
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Void VideoHandle::stop()
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{
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if( m_acPlayingSubWindows.size() > 0 )
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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m_acPlayingSubWindows.at( i )->stop();
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}
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m_acPlayingSubWindows.clear();
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setTimerStatus();
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}
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else
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{
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if( m_pcCurrentVideoSubWindow )
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{
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m_pcCurrentVideoSubWindow->stop();
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}
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}
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emit changed();
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//update();
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m_arrayActions[VIDEO_LOCK_ACT]->setVisible( false );
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}
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Void VideoHandle::playEvent()
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{
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Bool bEndOfSequence = false;
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try
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{
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for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
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{
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bEndOfSequence |= m_acPlayingSubWindows.at( i )->playEvent();
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}
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if( bEndOfSequence && !m_arrayActions[VIDEO_LOOP_ACT]->isChecked() )
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{
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stop();
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}
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}
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catch( const char *msg )
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{
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QString warningMsg = "Error while playing " + QFileInfo( m_pcCurrentVideoSubWindow->getCurrentFileName() ).fileName() + " with the following error: \n"
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+ msg;
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QMessageBox::warning( this, QApplication::applicationName(), warningMsg );
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//statusBar()->showMessage( warningMsg, 2000 );
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qDebug( ) << warningMsg;
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stop();
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m_pcCurrentVideoSubWindow->close();
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}
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emit changed();
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//update();
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}
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Void VideoHandle::seekEvent( Int direction )
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{
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if( m_pcCurrentVideoSubWindow )
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{
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if( m_acPlayingSubWindows.contains( m_pcCurrentVideoSubWindow ) )
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{
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if( !( ( UInt )( m_pcCurrentVideoSubWindow->getInputStream()->getCurrFrameNum() + 1 ) >= getMaxFrameNumber() && direction > 0 ) )
|
|
{
|
|
for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
|
|
{
|
|
m_acPlayingSubWindows.at( i )->seekRelativeEvent( direction > 0 ? true : false );
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_pcCurrentVideoSubWindow->seekRelativeEvent( direction > 0 ? true : false );
|
|
}
|
|
emit changed();
|
|
//update();
|
|
}
|
|
}
|
|
|
|
Void VideoHandle::seekSliderEvent( Int new_frame_num )
|
|
{
|
|
if( m_pcCurrentVideoSubWindow )
|
|
{
|
|
if( m_acPlayingSubWindows.contains( m_pcCurrentVideoSubWindow ) )
|
|
{
|
|
for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
|
|
{
|
|
m_acPlayingSubWindows.at( i )->seekAbsoluteEvent( ( UInt )new_frame_num );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
m_pcCurrentVideoSubWindow->seekAbsoluteEvent( ( UInt )new_frame_num );
|
|
}
|
|
emit changed();
|
|
//update();
|
|
}
|
|
}
|
|
|
|
Void VideoHandle::videoSelectionButtonEvent()
|
|
{
|
|
DialogSubWindowSelector dialogWindowsSelection( this, m_pcMainWindowManager, SubWindowHandle::VIDEO_STREAM_SUBWINDOW );
|
|
QStringList cWindowListNames;
|
|
for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
|
|
{
|
|
cWindowListNames.append( m_acPlayingSubWindows.at( i )->getWindowName() );
|
|
dialogWindowsSelection.setSubWindowList( cWindowListNames );
|
|
}
|
|
if( dialogWindowsSelection.exec() == QDialog::Accepted )
|
|
{
|
|
QStringList selectedWindows = dialogWindowsSelection.getSelectedWindows();
|
|
m_acPlayingSubWindows.clear();
|
|
VideoSubWindow *videoSubWindow;
|
|
QString windowName;
|
|
QList<SubWindowHandle*> subWindowList = m_pcMainWindowManager->findSubWindow( SubWindowHandle::VIDEO_STREAM_SUBWINDOW );
|
|
for( Int i = 0; i < subWindowList.size(); i++ )
|
|
{
|
|
videoSubWindow = qobject_cast<VideoSubWindow*>( subWindowList.at( i ) );
|
|
windowName = videoSubWindow->getWindowName();
|
|
if( selectedWindows.contains( windowName ) )
|
|
{
|
|
m_acPlayingSubWindows.append( videoSubWindow );
|
|
videoSubWindow->seekAbsoluteEvent( m_acPlayingSubWindows.at( 0 )->getInputStream()->getCurrFrameNum() );
|
|
}
|
|
}
|
|
if( m_acPlayingSubWindows.size() > 0 )
|
|
{
|
|
m_acPlayingSubWindows.at( 0 )->activateWindow();
|
|
if( m_acPlayingSubWindows.size() > 1 )
|
|
{
|
|
m_arrayActions[VIDEO_LOCK_ACT]->setVisible( true );
|
|
}
|
|
if( m_bIsPlaying )
|
|
{
|
|
for( Int i = 0; i < m_acPlayingSubWindows.size(); i++ )
|
|
{
|
|
m_acPlayingSubWindows.at( i )->play();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
stop();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
} // NAMESPACE
|
|
|