1 /* GStreamer GdkPixbuf overlay
2 * Copyright (C) 2012-2014 Tim-Philipp Müller <tim centricular net>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
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 GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef _GST_GDK_PIXBUF_OVERLAY_H_
21 #define _GST_GDK_PIXBUF_OVERLAY_H_
23 #include <gst/video/video.h>
24 #include <gst/video/gstvideofilter.h>
25 #include <gst/video/video-overlay-composition.h>
27 #include <gdk-pixbuf/gdk-pixbuf.h>
31 #define GST_TYPE_GDK_PIXBUF_OVERLAY (gst_gdk_pixbuf_overlay_get_type())
32 #define GST_GDK_PIXBUF_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GDK_PIXBUF_OVERLAY,GstGdkPixbufOverlay))
33 #define GST_GDK_PIXBUF_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GDK_PIXBUF_OVERLAY,GstGdkPixbufOverlayClass))
34 #define GST_IS_GDK_PIXBUF_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GDK_PIXBUF_OVERLAY))
35 #define GST_IS_GDK_PIXBUF_OVERLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GDK_PIXBUF_OVERLAY))
37 typedef struct _GstGdkPixbufOverlay GstGdkPixbufOverlay;
38 typedef struct _GstGdkPixbufOverlayClass GstGdkPixbufOverlayClass;
41 GST_GDK_PIXBUF_POSITIONING_PIXELS_RELATIVE_TO_EDGES,
42 GST_GDK_PIXBUF_POSITIONING_PIXELS_ABSOLUTE
43 } GstGdkPixbufPositioningMode;
46 * GstGdkPixbufOverlay:
48 * The opaque element instance structure.
50 struct _GstGdkPixbufOverlay
52 GstVideoFilter videofilter;
57 /* pixbuf set via pixbuf property */
69 GstGdkPixbufPositioningMode positioning_mode;
76 /* the loaded image, as BGRA/ARGB pixels, with GstVideoMeta */
77 GstBuffer * pixels; /* OBJECT_LOCK */
79 GstVideoOverlayComposition * comp;
81 /* render position or dimension has changed */
82 gboolean update_composition;
85 struct _GstGdkPixbufOverlayClass
87 GstVideoFilterClass videofilter_class;
90 GType gst_gdk_pixbuf_overlay_get_type (void);