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/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GTK_GST_BASE_WIDGET_H__
#define __GTK_GST_BASE_WIDGET_H__
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#define GTK_GST_BASE_WIDGET(w) ((GtkGstBaseWidget *)(w))
#define GTK_GST_BASE_WIDGET_CLASS(k) ((GtkGstBaseWidgetClass *)(k))
#define GTK_GST_BASE_WIDGET_LOCK(w) g_mutex_lock(&((GtkGstBaseWidget*)(w))->lock)
#define GTK_GST_BASE_WIDGET_UNLOCK(w) g_mutex_unlock(&((GtkGstBaseWidget*)(w))->lock)
G_BEGIN_DECLS
typedef struct _GtkGstBaseWidget GtkGstBaseWidget;
typedef struct _GtkGstBaseWidgetClass GtkGstBaseWidgetClass;
struct _GtkGstBaseWidget
{
union {
GtkDrawingArea drawing_area;
#if GTK_CHECK_VERSION(3, 15, 0)
GtkGLArea gl_area;
#endif
} parent;
/* properties */
gboolean force_aspect_ratio;
gint par_n, par_d;
gboolean ignore_alpha;
gint display_width;
gint display_height;
gboolean negotiated;
GstBuffer *pending_buffer;
GstBuffer *buffer;
GstVideoInfo v_info;
/* resize */
gboolean pending_resize;
GstVideoInfo pending_v_info;
guint display_ratio_num;
guint display_ratio_den;
/*< private >*/
GMutex lock;
GWeakRef element;
/* Pending draw idles callback */
guint draw_id;
};
struct _GtkGstBaseWidgetClass
{
union {
GtkDrawingAreaClass drawing_area_class;
#if GTK_CHECK_VERSION(3, 15, 0)
GtkGLAreaClass gl_area_class;
#endif
} parent_class;
};
/* For implementer */
void gtk_gst_base_widget_class_init (GtkGstBaseWidgetClass * klass);
void gtk_gst_base_widget_init (GtkGstBaseWidget * widget);
void gtk_gst_base_widget_finalize (GObject * object);
/* API */
gboolean gtk_gst_base_widget_set_format (GtkGstBaseWidget * widget, GstVideoInfo * v_info);
void gtk_gst_base_widget_set_buffer (GtkGstBaseWidget * widget, GstBuffer * buffer);
void gtk_gst_base_widget_set_element (GtkGstBaseWidget * widget, GstElement * element);
G_END_DECLS
#endif /* __GTK_GST_BASE_WIDGET_H__ */
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