summaryrefslogtreecommitdiffstats
path: root/plugins/multimedia/directshow/camera/dscamerasession.h
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/multimedia/directshow/camera/dscamerasession.h')
-rw-r--r--plugins/multimedia/directshow/camera/dscamerasession.h208
1 files changed, 208 insertions, 0 deletions
diff --git a/plugins/multimedia/directshow/camera/dscamerasession.h b/plugins/multimedia/directshow/camera/dscamerasession.h
new file mode 100644
index 0000000000..72a0e5077e
--- /dev/null
+++ b/plugins/multimedia/directshow/camera/dscamerasession.h
@@ -0,0 +1,208 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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