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/* GStreamer GdkPixbuf overlay
* Copyright (C) 2012-2014 Tim-Philipp Müller <tim centricular net>
*
* 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 _GST_GDK_PIXBUF_OVERLAY_H_
#define _GST_GDK_PIXBUF_OVERLAY_H_
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
#include <gst/video/video-overlay-composition.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
G_BEGIN_DECLS
#define GST_TYPE_GDK_PIXBUF_OVERLAY (gst_gdk_pixbuf_overlay_get_type())
G_DECLARE_FINAL_TYPE (GstGdkPixbufOverlay, gst_gdk_pixbuf_overlay,
GST, GDK_PIXBUF_OVERLAY, GstVideoFilter)
typedef enum {
GST_GDK_PIXBUF_POSITIONING_PIXELS_RELATIVE_TO_EDGES,
GST_GDK_PIXBUF_POSITIONING_PIXELS_ABSOLUTE
} GstGdkPixbufPositioningMode;
/**
* GstGdkPixbufOverlay:
*
* The opaque element instance structure.
*/
struct _GstGdkPixbufOverlay
{
GstVideoFilter videofilter;
/* properties */
gchar * location;
/* pixbuf set via pixbuf property */
GdkPixbuf * pixbuf;
gint offset_x;
gint offset_y;
gdouble relative_x;
gdouble relative_y;
gdouble coef_x;
gdouble coef_y;
GstGdkPixbufPositioningMode positioning_mode;
gint overlay_width;
gint overlay_height;
gdouble alpha;
/* the loaded image, as BGRA/ARGB pixels, with GstVideoMeta */
GstBuffer * pixels; /* OBJECT_LOCK */
GstVideoOverlayComposition * comp;
/* render position or dimension has changed */
gboolean update_composition;
};
G_END_DECLS
#endif
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