diff options
Diffstat (limited to 'src/multimedia/gsttools_headers/qx11videosurface_p.h')
-rw-r--r-- | src/multimedia/gsttools_headers/qx11videosurface_p.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/multimedia/gsttools_headers/qx11videosurface_p.h b/src/multimedia/gsttools_headers/qx11videosurface_p.h new file mode 100644 index 000000000..243c06907 --- /dev/null +++ b/src/multimedia/gsttools_headers/qx11videosurface_p.h @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 QX11VIDEOSURFACE_H +#define QX11VIDEOSURFACE_H + +#include <QtWidgets/qwidget.h> +#include <qabstractvideosurface.h> + +#include <X11/Xlib.h> +#include <X11/extensions/Xv.h> +#include <X11/extensions/Xvlib.h> + +QT_BEGIN_NAMESPACE + +class QX11VideoSurface : public QAbstractVideoSurface +{ + Q_OBJECT +public: + QX11VideoSurface(QObject *parent = 0); + ~QX11VideoSurface(); + + WId winId() const; + void setWinId(WId id); + + QRect displayRect() const; + void setDisplayRect(const QRect &rect); + + QRect viewport() const; + void setViewport(const QRect &rect); + + int brightness() const; + void setBrightness(int brightness); + + int contrast() const; + void setContrast(int contrast); + + int hue() const; + void setHue(int hue); + + int saturation() const; + void setSaturation(int saturation); + + QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const; + + bool start(const QVideoSurfaceFormat &format); + void stop(); + + bool present(const QVideoFrame &frame); + +private: + Display *display() const; + + WId m_winId; + XvPortID m_portId; + GC m_gc; + XvImage *m_image; + QList<QVideoFrame::PixelFormat> m_supportedPixelFormats; + QVector<int> m_formatIds; + QRect m_viewport; + QRect m_displayRect; + QPair<int, int> m_brightnessRange; + QPair<int, int> m_contrastRange; + QPair<int, int> m_hueRange; + QPair<int, int> m_saturationRange; + + bool findPort(); + void querySupportedFormats(); + + int getAttribute(const char *attribute, int minimum, int maximum) const; + void setAttribute(const char *attribute, int value, int minimum, int maximum); + + static int redistribute(int value, int fromLower, int fromUpper, int toLower, int toUpper); +}; + +QT_END_NAMESPACE + +#endif |