1/* Gstreamer video blending utility functions
2 *
3 * Copyright (C) <2011> Intel Corporation
4 * Copyright (C) <2011> Collabora Ltd.
5 * Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23
24#ifndef __GST_VIDEO_BLEND__
25#define __GST_VIDEO_BLEND__
26
27#include <gst/gst.h>
28#include <gst/video/video.h>
29
30G_BEGIN_DECLS
31
32GST_VIDEO_API
33void gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer,
34 gint dest_height, gint dest_width,
35 GstVideoInfo * dest, GstBuffer ** dest_buffer);
36
37GST_VIDEO_API
38gboolean gst_video_blend (GstVideoFrame * dest,
39 GstVideoFrame * src,
40 gint x, gint y,
41 gfloat global_alpha);
42
43G_END_DECLS
44
45#endif
46

source code of include/gstreamer-1.0/gst/video/video-blend.h