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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef __VideoProvider_h__
#define __VideoProvider_h__
#include <QObject>
#include <QList>
class QPixmap;
class QTimer;
class VideoInput;
/**
@brief Video broker: initializes all the video inputs and streams pixmaps
*/
class VideoProvider : public QObject
{
Q_OBJECT
public:
/// options
static bool Disable;
/// singleton
static VideoProvider * instance();
VideoProvider();
~VideoProvider();
// how many inputs
int inputCount() const;
// register to an input
bool connectInput(int input, QObject * receiver, const char * method);
void disconnectReceiver(QObject * receiver);
// enable swapping of an input
void setSwapped(int input, bool swapped);
bool swapped(int input) const;
Q_SIGNALS:
void inputCountChanged(int count);
private:
QTimer * m_snapTimer;
QList<VideoInput *> m_inputs;
bool m_swapVideo;
private Q_SLOTS:
void initDevices();
void slotCaptureFromDevices();
};
#if defined(HAS_VIDEOCAPTURE)
namespace VideoCapture { class VideoDevice; }
#endif
/// @internal not in cpp for MOC-ing purpose only
class VideoInput : public QObject
{
Q_OBJECT
public:
VideoInput();
~VideoInput();
int channels;
bool active;
bool swapped;
QList<QObject *> receivers;
#if defined(HAS_VIDEOCAPTURE)
VideoCapture::VideoDevice * device;
#endif
Q_SIGNALS:
friend class VideoProvider;
void newPixmap(const QPixmap & pixmap);
};
#endif
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