gstreamer/gst-libs/gst/video/video-blend.h

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/* Gstreamer video blending utility functions
*
* Copyright (C) <2011> Intel Corporation
* Copyright (C) <2011> Collabora Ltd.
* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.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 __GST_VIDEO_BLEND__
#define __GST_VIDEO_BLEND__
#include <gst/gst.h>
#include <gst/video/video.h>
GST_VIDEO_API
void gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer,
gint dest_height, gint dest_width,
GstVideoInfo * dest, GstBuffer ** dest_buffer);
GST_VIDEO_API
gboolean gst_video_blend (GstVideoFrame * dest,
GstVideoFrame * src,
gint x, gint y,
gfloat global_alpha);
#endif