diff options
author | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
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committer | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
commit | 2a34e88c1e1ced28e75c487cd13402e1c9cf9fa3 (patch) | |
tree | e6c1b770c5c47212792a1f9344fa034ea3e54c44 /src/plugins/directshow/camera/dscamerasession.h |
Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2
Diffstat (limited to 'src/plugins/directshow/camera/dscamerasession.h')
-rw-r--r-- | src/plugins/directshow/camera/dscamerasession.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/plugins/directshow/camera/dscamerasession.h b/src/plugins/directshow/camera/dscamerasession.h new file mode 100644 index 000000000..72a0e5077 --- /dev/null +++ b/src/plugins/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 |