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