mediaplayer.h Example File

demos/qmediaplayer/mediaplayer.h
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
***************************************************************************/

#ifndef MEDIALAYER_H
#define MEDIAPLAYER_H

#include <QtGui/QWidget>
#include <QtGui/QApplication>
#include <QtCore/QTimerEvent>
#include <QtGui/QShowEvent>
#include <QtGui/QIcon>
#include <QtCore/QBasicTimer>
#include <QtGui/QAction>

#include <phonon/audiooutput.h>
#include <phonon/backendcapabilities.h>
#include <phonon/effect.h>
#include <phonon/effectparameter.h>
#include <phonon/effectwidget.h>
#include <phonon/mediaobject.h>
#include <phonon/seekslider.h>
#include <phonon/videowidget.h>
#include <phonon/volumeslider.h>

class QPushButton;
class QLabel;
class QSlider;
class QTextEdit;
class QMenu;
class Ui_settings;

class MediaPlayer;

class MediaVideoWidget : public Phonon::VideoWidget
{
    Q_OBJECT

public:
    MediaVideoWidget(MediaPlayer *player, QWidget *parent = 0);

public slots:
    // Over-riding non-virtual Phonon::VideoWidget slot
    void setFullScreen(bool);

signals:
    void fullScreenChanged(bool);

protected:
    void mouseDoubleClickEvent(QMouseEvent *e);
    void keyPressEvent(QKeyEvent *e);
    bool event(QEvent *e);
    void timerEvent(QTimerEvent *e);
    void dropEvent(QDropEvent *e);
    void dragEnterEvent(QDragEnterEvent *e);

private:
    MediaPlayer *m_player;
    QBasicTimer m_timer;
    QAction m_action;
};

class MediaPlayer :
            public QWidget
{
    Q_OBJECT
public:
    MediaPlayer();

    void dragEnterEvent(QDragEnterEvent *e);
    void dragMoveEvent(QDragMoveEvent *e);
    void dropEvent(QDropEvent *e);
    void handleDrop(QDropEvent *e);
    void setFile(const QString &text);
    void setLocation(const QString &location);
    void initVideoWindow();
    void initSettingsDialog();
    void setVolume(qreal volume);
    void setSmallScreen(bool smallScreen);

public slots:
    void openFile();
    void rewind();
    void forward();
    void updateInfo();
    void updateTime();
    void finished();
    void playPause();
    void scaleChanged(QAction *);
    void aspectChanged(QAction *);

private slots:
    void setAspect(int);
    void setScale(int);
    void setSaturation(int);
    void setContrast(int);
    void setHue(int);
    void setBrightness(int);
    void stateChanged(Phonon::State newstate, Phonon::State oldstate);
    void effectChanged();
    void showSettingsDialog();
    void showContextMenu(const QPoint& point);
    void bufferStatus(int percent);
    void openUrl();
#ifdef Q_OS_SYMBIAN
    void selectIAP();
#endif
    void openRamFile();
    void configureEffect();
    void hasVideoChanged(bool);

private:
    bool playPauseForDialog();
#ifdef Q_OS_SYMBIAN
    void selectIAPL();
#endif

    QIcon playIcon;
    QIcon pauseIcon;
    QMenu *fileMenu;
    QPushButton *playButton;
    QPushButton *rewindButton;
    QPushButton *forwardButton;
    Phonon::SeekSlider *slider;
    QLabel *timeLabel;
    QLabel *progressLabel;
    Phonon::VolumeSlider *volume;
    QSlider *m_hueSlider;
    QSlider *m_satSlider;
    QSlider *m_contSlider;
    QLabel *info;
    Phonon::Effect *nextEffect;
    QDialog *settingsDialog;
    Ui_settings *ui;
    QAction *m_fullScreenAction;

    QWidget m_videoWindow;
    Phonon::MediaObject m_MediaObject;
    Phonon::AudioOutput m_AudioOutput;
    MediaVideoWidget *m_videoWidget;
    Phonon::Path m_audioOutputPath;
    bool m_smallScreen;
};

#endif //MEDIAPLAYER_H

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.