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21252d450c
- correct the matrix multiplication - Use column-major matrices - reverse order of matrix multiplications https://bugzilla.gnome.org/show_bug.cgi?id=785980
34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2017 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_UTILS_PRIVATE_H__
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#define __GST_GL_UTILS_PRIVATE_H__
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#include <gst/gl/gstgl_fwd.h>
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G_BEGIN_DECLS
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G_GNUC_INTERNAL gboolean gst_gl_run_query (GstElement * element, GstQuery * query, GstPadDirection direction);
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G_GNUC_INTERNAL void gst_gl_get_affine_transformation_meta_as_ndc (GstVideoAffineTransformationMeta * meta, gfloat * matrix);
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G_GNUC_INTERNAL void gst_gl_set_affine_transformation_meta_from_ndc (GstVideoAffineTransformationMeta * meta, const gfloat * matrix);
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G_END_DECLS
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#endif /* __GST_GL_UTILS_H__ */
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