1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QXVIDEOSURFACE_MAEMO5_H

    43 #define QXVIDEOSURFACE_MAEMO5_H

    44 

    45 #include <QtCore/qhash.h>

    46 #include <QtGui/qwidget.h>

    47 #include <qabstractvideosurface.h>

    48 

    49 #include <X11/Xlib.h>

    50 #include <sys/ipc.h>

    51 #include <sys/shm.h>

    52 #include <X11/extensions/XShm.h>

    53 #include <X11/Xlib.h>

    54 #include <X11/extensions/Xv.h>

    55 #include <X11/extensions/Xvlib.h>

    56 

    57 QT_USE_NAMESPACE

    58 

    59 class QXVideoSurface : public QAbstractVideoSurface

    60 {

    61     Q_OBJECT

    62 public:

    63     QXVideoSurface(QObject *parent = 0);

    64     ~QXVideoSurface();

    65 

    66     WId winId() const;

    67     void setWinId(WId id);

    68 

    69     QRect displayRect() const;

    70     void setDisplayRect(const QRect &rect);

    71 

    72     QColor colorKey() const;

    73     void setColorKey(QColor key);

    74 

    75     QList<QVideoFrame::PixelFormat> supportedPixelFormats(

    76             QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;

    77 

    78     QVideoFrame lastFrame() const { return m_lastFrame; }

    79 

    80 public slots:

    81     bool start(const QVideoSurfaceFormat &format);

    82     void stop();

    83 

    84     bool present(const QVideoFrame &frame);

    85     void repaintLastFrame();

    86 

    87 private:

    88     WId m_winId;

    89     XvPortID m_portId;

    90     int m_xvFormatId;

    91     GC m_gc;

    92     XvImage *m_image;

    93     XShmSegmentInfo	m_shminfo;

    94     QList<QVideoFrame::PixelFormat> m_supportedPixelFormats;

    95     QVector<int> m_formatIds;

    96     QRect m_viewport;

    97     QRect m_displayRect;

    98     QColor m_colorKey;

    99 

   100     QVideoFrame m_lastFrame;

   101 

   102     bool findPort();

   103     void querySupportedFormats();

   104 

   105     int getAttribute(const char *attribute) const;

   106     void setAttribute(const char *attribute, int value);

   107 };

   108 

   109 Q_DECLARE_METATYPE(XvImage*)

   110 

   111 #endif