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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DSCAMERASESSION_H
#define DSCAMERASESSION_H
#include <QtCore/qobject.h>
#include <QTime>
#include <QUrl>
#include <QMutex>
#include <qcamera.h>
#include <QtMultimedia/qvideoframe.h>
#include <QtMultimedia/qabstractvideosurface.h>
#include <QtMultimedia/qvideosurfaceformat.h>
#include <tchar.h>
#include <dshow.h>
#include <objbase.h>
#include <initguid.h>
#pragma comment(lib, "strmiids.lib")
#pragma comment(lib, "ole32.lib")
#include <windows.h>
#pragma include_alias("dxtrans.h","qedit.h")
#define __IDxtCompositor_INTERFACE_DEFINED__
#define __IDxtAlphaSetter_INTERFACE_DEFINED__
#define __IDxtJpeg_INTERFACE_DEFINED__
#define __IDxtKey_INTERFACE_DEFINED__
#include <qedit.h>
struct ICaptureGraphBuilder2;
struct ISampleGrabber;
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class DSVideoRenderer;
class SampleGrabberCallbackPrivate;
struct video_buffer {
unsigned char* buffer;
int length;
qint64 time;
};
typedef QMap<unsigned int, QList<QSize> > FormatResolutionMap;
class DSCameraSession : public QObject
{
Q_OBJECT
public:
DSCameraSession(QObject *parent = 0);
~DSCameraSession();
bool deviceReady();
bool pictureInProgress();
// camera controls
int framerate() const;
void setFrameRate(int rate);
int brightness() const;
void setBrightness(int b);
int contrast() const;
void setContrast(int c);
int saturation() const;
void setSaturation(int s);
int hue() const;
void setHue(int h);
int sharpness() const;
void setSharpness(int s);
int zoom() const;
void setZoom(int z);
bool backlightCompensation() const;
void setBacklightCompensation(bool);
int whitelevel() const;
void setWhitelevel(int w);
int rotation() const;
void setRotation(int r);
bool flash() const;
void setFlash(bool f);
bool autofocus() const;
void setAutofocus(bool f);
QSize frameSize() const;
void setFrameSize(const QSize& s);
void setDevice(const QString &device);
QList<QVideoFrame::PixelFormat> supportedPixelFormats();
QVideoFrame::PixelFormat pixelFormat() const;
void setPixelFormat(QVideoFrame::PixelFormat fmt);
QList<QSize> supportedResolutions(QVideoFrame::PixelFormat format);
// media control
bool setOutputLocation(const QUrl &sink);
QUrl outputLocation() const;
qint64 position() const;
int state() const;
void record();
void pause();
void stop();
void setSurface(QAbstractVideoSurface* surface);
int captureImage(const QString &fileName);
AM_MEDIA_TYPE StillMediaType;
QList<video_buffer*> frames;
SampleGrabberCallbackPrivate* StillCapCB;
QMutex mutex;
Q_SIGNALS:
void stateChanged(QCamera::State);
void imageCaptured(int id, const QImage &preview);
void imageSaved(int id, const QString &fileName);
void readyForCaptureChanged(bool);
private Q_SLOTS:
void captureFrame();
private:
QVideoSurfaceFormat actualFormat;
QList<QVideoFrame::PixelFormat> types;
QTime timeStamp;
bool graph;
bool active;
bool opened;
bool available;
QCamera::State m_state;
QByteArray m_device;
QUrl m_sink;
DSVideoRenderer* m_output;
QAbstractVideoSurface* m_surface;
QVideoFrame::PixelFormat pixelF;
QSize m_windowSize;
FormatResolutionMap resolutions;
ICaptureGraphBuilder2* pBuild;
IGraphBuilder* pGraph;
IBaseFilter* pCap;
IBaseFilter* pSG_Filter;
ISampleGrabber *pSG;
QString m_snapshot;
int m_currentImageId;
protected:
HRESULT getPin(IBaseFilter *pFilter, PIN_DIRECTION PinDir, IPin **ppPin);
bool createFilterGraph();
void updateProperties();
bool setProperties();
bool openStream();
void closeStream();
bool startStream();
void stopStream();
void suspendStream();
void resumeStream();
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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