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 30 GST_VIDEO_API 31 void gst_video_blend_scale_linear_RGBA (GstVideoInfo * src, GstBuffer * src_buffer, 32 gint dest_height, gint dest_width, 33 GstVideoInfo * dest, GstBuffer ** dest_buffer); 34 35 GST_VIDEO_API 36 gboolean gst_video_blend (GstVideoFrame * dest, 37 GstVideoFrame * src, 38 gint x, gint y, 39 gfloat global_alpha); 40 41 #endif 42