1 /*  This file is part of the KDE project.

     2 

     3     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5     This library is free software: you can redistribute it and/or modify

     6     it under the terms of the GNU Lesser General Public License as published by

     7     the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9     This library is distributed in the hope that it will be useful,

    10     but WITHOUT ANY WARRANTY; without even the implied warranty of

    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12     GNU Lesser General Public License for more details.

    13 

    14     You should have received a copy of the GNU Lesser General Public License

    15     along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef Phonon_GSTREAMER_VIDEOSINK_H

    19 #define Phonon_GSTREAMER_VIDEOSINK_H

    20 

    21 #include "common.h"

    22 

    23 #include <QtCore/QByteArray>

    24 #include <QtCore/QEvent>

    25 

    26 #include <gst/video/gstvideosink.h>

    27 

    28 QT_BEGIN_NAMESPACE

    29 

    30 class NewFrameEvent : public QEvent

    31 {

    32 public:

    33     NewFrameEvent(const QByteArray &newFrame, int w, int h) :

    34         QEvent(QEvent::User),

    35         frame(newFrame),

    36         width(w),

    37         height(h)

    38     {

    39     }

    40 

    41     QByteArray frame;

    42     int width;

    43     int height;

    44 };

    45 

    46 namespace Phonon

    47 {

    48 namespace Gstreamer

    49 {

    50 

    51 enum VideoFormat {

    52     VideoFormat_YUV,

    53     VideoFormat_RGB

    54 };

    55 

    56 class QWidgetVideoSinkBase

    57 {

    58 public:

    59     GstVideoSink    videoSink;

    60 

    61     QWidget *       renderWidget;

    62     gint            width;

    63     gint            height;

    64     gint            bpp;

    65     gint            depth;

    66 };

    67 

    68 template <VideoFormat FMT>

    69 class QWidgetVideoSink : public QWidgetVideoSinkBase

    70 {

    71 public:

    72     static GstCaps* get_caps(GstBaseSink* sink);

    73     static gboolean set_caps(GstBaseSink* sink, GstCaps* caps);

    74     static GstStateChangeReturn change_state(GstElement* element, GstStateChange transition);

    75     static GstFlowReturn render(GstBaseSink* sink, GstBuffer* buf);

    76     static void base_init(gpointer g_class);

    77     static void instance_init(GTypeInstance *instance, gpointer g_class);

    78 };

    79 

    80 template <VideoFormat FMT>

    81 struct QWidgetVideoSinkClass

    82 {

    83     GstVideoSinkClass   parent_class;

    84     static void class_init(gpointer g_class, gpointer class_data);

    85     static GType get_type();

    86     static const char* get_name();

    87 };

    88 

    89 GType get_type_YUV();

    90 GType get_type_RGB();

    91 

    92 }

    93 } //namespace Phonon::Gstreamer

    94 

    95 QT_END_NAMESPACE

    96 

    97 #endif // Phonon_GSTREAMER_VIDEOSINK_H