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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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17a33cd19a
Settle with 7x7 gaussian convolution kernels, maybe slightly less accurate than previous 9x9 but fast enough to be able to use it on i915. About a 20% percent speed gain (again, roughly measured with videotestsrc and glimagesink sync=false). No noticeable rendering difference with current effects.
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GST_GL_DIFFERENCEMATTE_H_
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#define _GST_GL_DIFFERENCEMATTE_H_
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#include <gstglfilter.h>
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#define GST_TYPE_GL_DIFFERENCEMATTE (gst_gl_differencematte_get_type())
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#define GST_GL_DIFFERENCEMATTE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatte))
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#define GST_IS_GL_DIFFERENCEMATTE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_DIFFERENCEMATTE))
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#define GST_GL_DIFFERENCEMATTE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatteClass))
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#define GST_IS_GL_DIFFERENCEMATTE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_DIFFERENCEMATTE))
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#define GST_GL_DIFFERENCEMATTE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_DIFFERENCEMATTE,GstGLDifferenceMatteClass))
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typedef struct _GstGLDifferenceMatte GstGLDifferenceMatte;
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typedef struct _GstGLDifferenceMatteClass GstGLDifferenceMatteClass;
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struct _GstGLDifferenceMatte
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{
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GstGLFilter filter;
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GstGLShader *shader[4];
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gchar *location;
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gboolean bg_has_changed;
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guchar *pixbuf;
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gint pbuf_width, pbuf_height;
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GLuint savedbgtexture;
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GLuint newbgtexture;
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GLuint midtexture[4];
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GLuint intexture;
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float kernel[7];
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};
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struct _GstGLDifferenceMatteClass
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{
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GstGLFilterClass filter_class;
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};
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#endif /* _GST_GL_DIFFERENCEMATTE_H_ */
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