gstqtglvideosinkbase.h

/*
    Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). <qt-info@nokia.com>
    Copyright (C) 2011-2012 Collabora Ltd. <info@collabora.com>

    This library is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License version 2.1
    as published by the Free Software Foundation.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
 * @file
 *   @brief Extracted from QtGstreamer to avoid overly complex dependency
 *   @author Gus Grubba <gus@auterion.com>
 */

#pragma once

#include "gstqtvideosinkbase.h"
#include <gst/video/colorbalance.h>

#ifndef GST_QT_VIDEO_SINK_NO_OPENGL

#define GST_TYPE_QT_GL_VIDEO_SINK_BASE \
  (GstQtGLVideoSinkBase::get_type())
#define GST_QT_GL_VIDEO_SINK_BASE(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_QT_GL_VIDEO_SINK_BASE, GstQtGLVideoSinkBase))

struct GstQtGLVideoSinkBase
{
public:
    GstQtVideoSinkBase parent;

    static GType get_type();

private:
    enum {
        PROP_0,
        PROP_CONTRAST,
        PROP_BRIGHTNESS,
        PROP_HUE,
        PROP_SATURATION
    };

    //index for s_colorbalance_labels
    enum {
        LABEL_CONTRAST = 0,
        LABEL_BRIGHTNESS,
        LABEL_HUE,
        LABEL_SATURATION,
        LABEL_LAST
    };

    static void init_interfaces(GType type);

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

    static void init(GTypeInstance *instance, gpointer g_class);
    static void finalize(GObject *object);

    static void colorbalance_init(GstColorBalanceInterface *balance_interface, gpointer data);
    static const GList *colorbalance_list_channels(GstColorBalance *balance);
    static void colorbalance_set_value(GstColorBalance *balance,
                                       GstColorBalanceChannel *channel,
                                       gint value);
    static gint colorbalance_get_value(GstColorBalance *balance,
                                       GstColorBalanceChannel *channel);
    static GstColorBalanceType colorbalance_get_balance_type(GstColorBalance *balance);

    static void set_property(GObject *object, guint prop_id,
                             const GValue *value, GParamSpec *pspec);
    static void get_property(GObject *object, guint prop_id,
                             GValue *value, GParamSpec *pspec);

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


    GList *m_channels_list;
    static const char * const s_colorbalance_labels[];
    static GstQtVideoSinkBaseClass *s_parent_class;
};


struct GstQtGLVideoSinkBaseClass
{
    GstQtVideoSinkBaseClass parent_class;
};

#endif // GST_QT_VIDEO_SINK_NO_OPENGL