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qmpwidget.h
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qmpwidget.h
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/*
* CloudClient - A Qt cloud client for lixian.vip.xunlei.com
* Copyright (C) 2012 by Aaron Lewis <the.warl0ck.1989@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* qmpwidget - A Qt widget for embedding MPlayer
* Copyright (C) 2010 by Jonas Gehring
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QMPWIDGET_H_
#define QMPWIDGET_H_
#include <QHash>
#include <QPointer>
#include <QTimer>
#include <QWidget>
class QAbstractSlider;
class QImage;
class QProcess;
class QStringList;
class QMPProcess;
class QMPwidget : public QWidget
{
Q_OBJECT
Q_PROPERTY(State state READ state)
Q_PROPERTY(double streamPosition READ tell)
Q_PROPERTY(QString videoOutput READ videoOutput WRITE setVideoOutput)
Q_PROPERTY(QString mplayerPath READ mplayerPath WRITE setMPlayerPath)
Q_PROPERTY(QString mplayerVersion READ mplayerVersion)
Q_ENUMS(state)
public:
enum State {
NotStartedState = -1,
IdleState,
LoadingState,
StoppedState,
PlayingState,
BufferingState,
PausedState,
ErrorState
};
struct MediaInfo {
QString videoFormat;
int videoBitrate;
QSize size;
double framesPerSecond;
QString audioFormat;
double audioBitrate;
int sampleRate;
int numChannels;
QHash<QString, QString> tags;
bool ok;
double length;
bool seekable;
MediaInfo();
};
enum Mode {
EmbeddedMode = 0,
PipeMode
};
enum SeekMode {
RelativeSeek = 0,
PercentageSeek,
AbsoluteSeek
};
public:
QMPwidget(QWidget *parent = 0);
virtual ~QMPwidget();
State state() const;
MediaInfo mediaInfo() const;
double tell() const;
QProcess *process() const;
void setMode(Mode mode);
Mode mode() const;
void setVideoOutput(const QString &output);
QString videoOutput() const;
void setMPlayerPath(const QString &path);
QString mplayerPath() const;
QString mplayerVersion();
void setSeekSlider(QAbstractSlider *slider);
void setVolumeSlider(QAbstractSlider *slider);
void showImage(const QImage &image);
virtual QSize sizeHint() const;
public slots:
void start(const QStringList &args = QStringList());
void load(const QString &url);
void play();
void pause();
void stop();
bool seek(int offset, int whence = AbsoluteSeek);
bool seek(double offset, int whence = AbsoluteSeek);
void toggleFullScreen();
void writeCommand(const QString &command);
protected:
virtual void mouseDoubleClickEvent(QMouseEvent *event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void resizeEvent(QResizeEvent *event);
private:
void updateWidgetSize();
private slots:
void setVolume(int volume);
void mpStateChanged(int state);
void mpStreamPositionChanged(double position);
void mpVolumeChanged(int volume);
void delayedSeek();
signals:
void stateChanged(int state);
void error(const QString &reason);
void readStandardOutput(const QString &line);
void readStandardError(const QString &line);
private:
QMPProcess *m_process;
QWidget *m_widget;
QPointer<QAbstractSlider> m_seekSlider;
QPointer<QAbstractSlider> m_volumeSlider;
Qt::WindowFlags m_windowFlags;
QRect m_geometry;
QTimer m_seekTimer;
QString m_seekCommand;
};
#endif // QMPWIDGET_H_