Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
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Michael Goddard
208
src/plugins/directshow/camera/dscamerasession.h
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208
src/plugins/directshow/camera/dscamerasession.h
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DSCAMERASESSION_H
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#define DSCAMERASESSION_H
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#include <QtCore/qobject.h>
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#include <QTime>
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#include <QUrl>
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#include <QMutex>
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#include <qcamera.h>
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#include <QtMultimedia/qvideoframe.h>
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#include <QtMultimedia/qabstractvideosurface.h>
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#include <QtMultimedia/qvideosurfaceformat.h>
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#include <tchar.h>
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#include <dshow.h>
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#include <objbase.h>
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#include <initguid.h>
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#pragma comment(lib, "strmiids.lib")
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#pragma comment(lib, "ole32.lib")
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#include <windows.h>
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#pragma include_alias("dxtrans.h","qedit.h")
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#define __IDxtCompositor_INTERFACE_DEFINED__
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#define __IDxtAlphaSetter_INTERFACE_DEFINED__
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#define __IDxtJpeg_INTERFACE_DEFINED__
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#define __IDxtKey_INTERFACE_DEFINED__
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#include <qedit.h>
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struct ICaptureGraphBuilder2;
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struct ISampleGrabber;
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class DSVideoRenderer;
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class SampleGrabberCallbackPrivate;
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struct video_buffer {
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unsigned char* buffer;
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int length;
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qint64 time;
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};
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typedef QMap<unsigned int, QList<QSize> > FormatResolutionMap;
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class DSCameraSession : public QObject
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{
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Q_OBJECT
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public:
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DSCameraSession(QObject *parent = 0);
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~DSCameraSession();
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bool deviceReady();
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bool pictureInProgress();
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// camera controls
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int framerate() const;
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void setFrameRate(int rate);
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int brightness() const;
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void setBrightness(int b);
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int contrast() const;
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void setContrast(int c);
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int saturation() const;
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void setSaturation(int s);
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int hue() const;
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void setHue(int h);
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int sharpness() const;
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void setSharpness(int s);
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int zoom() const;
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void setZoom(int z);
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bool backlightCompensation() const;
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void setBacklightCompensation(bool);
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int whitelevel() const;
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void setWhitelevel(int w);
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int rotation() const;
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void setRotation(int r);
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bool flash() const;
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void setFlash(bool f);
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bool autofocus() const;
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void setAutofocus(bool f);
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QSize frameSize() const;
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void setFrameSize(const QSize& s);
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void setDevice(const QString &device);
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QList<QVideoFrame::PixelFormat> supportedPixelFormats();
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QVideoFrame::PixelFormat pixelFormat() const;
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void setPixelFormat(QVideoFrame::PixelFormat fmt);
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QList<QSize> supportedResolutions(QVideoFrame::PixelFormat format);
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// media control
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bool setOutputLocation(const QUrl &sink);
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QUrl outputLocation() const;
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qint64 position() const;
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int state() const;
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void record();
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void pause();
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void stop();
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void setSurface(QAbstractVideoSurface* surface);
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int captureImage(const QString &fileName);
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AM_MEDIA_TYPE StillMediaType;
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QList<video_buffer*> frames;
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SampleGrabberCallbackPrivate* StillCapCB;
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QMutex mutex;
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Q_SIGNALS:
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void stateChanged(QCamera::State);
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void imageCaptured(int id, const QImage &preview);
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void imageSaved(int id, const QString &fileName);
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void readyForCaptureChanged(bool);
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private Q_SLOTS:
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void captureFrame();
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private:
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QVideoSurfaceFormat actualFormat;
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QList<QVideoFrame::PixelFormat> types;
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QTime timeStamp;
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bool graph;
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bool active;
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bool opened;
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bool available;
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QCamera::State m_state;
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QByteArray m_device;
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QUrl m_sink;
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DSVideoRenderer* m_output;
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QAbstractVideoSurface* m_surface;
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QVideoFrame::PixelFormat pixelF;
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QSize m_windowSize;
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FormatResolutionMap resolutions;
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ICaptureGraphBuilder2* pBuild;
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IGraphBuilder* pGraph;
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IBaseFilter* pCap;
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IBaseFilter* pSG_Filter;
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ISampleGrabber *pSG;
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QString m_snapshot;
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int m_currentImageId;
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protected:
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HRESULT getPin(IBaseFilter *pFilter, PIN_DIRECTION PinDir, IPin **ppPin);
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bool createFilterGraph();
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void updateProperties();
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bool setProperties();
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bool openStream();
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void closeStream();
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bool startStream();
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void stopStream();
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void suspendStream();
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void resumeStream();
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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