Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions
--- a/src/plugins/gstreamer/qx11videosurface.h
+++ b/src/plugins/gstreamer/qx11videosurface.h
@@ -0,0 +1,117 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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 QX11VIDEOSURFACE_H
+#define QX11VIDEOSURFACE_H
+
+#include <QtGui/qwidget.h>
+#include <qabstractvideosurface.h>
+
+#ifndef QT_NO_XVIDEO
+
+#include <X11/Xlib.h>
+#include <X11/extensions/Xv.h>
+#include <X11/extensions/Xvlib.h>
+
+QT_USE_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:   
+    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);
+};
+
+#endif //QT_NO_XVIDEO
+
+#endif