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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0ac54fdc55
Add xray effect. Maps luma to a negative, slightly cyan tinted, curve, applies some light gaussian blur and multiplies it with its sobel edges. Not sure about the name, likely to change. Probably still needs some tuning.
111 lines
3.3 KiB
C
111 lines
3.3 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_EFFECTS_H__
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#define __GST_GL_EFFECTS_H__
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gstglfilter.h>
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#include <gstgleffectssources.h>
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G_BEGIN_DECLS
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#define GST_TYPE_GL_EFFECTS (gst_gl_effects_get_type())
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#define GST_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_EFFECTS,GstGLEffects))
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#define GST_IS_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_EFFECTS))
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#define GST_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
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#define GST_IS_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_EFFECTS))
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#define GST_GL_EFFECTS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
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typedef struct _GstGLEffects GstGLEffects;
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typedef struct _GstGLEffectsClass GstGLEffectsClass;
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typedef void (* GstGLEffectProcessFunc) (GstGLEffects *effects);
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#define NEEDED_TEXTURES 4
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enum {
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GST_GL_EFFECTS_CURVE_HEAT,
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GST_GL_EFFECTS_CURVE_SEPIA,
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GST_GL_EFFECTS_CURVE_XPRO,
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GST_GL_EFFECTS_CURVE_LUMA_XPRO,
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GST_GL_EFFECTS_CURVE_XRAY,
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GST_GL_EFFECTS_N_CURVES
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};
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struct _GstGLEffects
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{
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GstGLFilter filter;
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GstGLEffectProcessFunc effect;
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gint current_effect;
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GLuint intexture;
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GLuint midtexture[NEEDED_TEXTURES];
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GLuint outtexture;
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GLuint curve[GST_GL_EFFECTS_N_CURVES];
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GHashTable *shaderstable;
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gboolean horizontal_swap; /* switch left to right */
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};
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struct _GstGLEffectsClass
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{
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GstGLFilterClass filter_class;
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};
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enum
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{
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PROP_0,
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PROP_EFFECT,
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PROP_HSWAP
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};
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GType gst_gl_effects_get_type (void);
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void gst_gl_effects_draw_texture (GstGLEffects * effects, GLuint tex);
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void gst_gl_effects_identity (GstGLEffects *effects);
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void gst_gl_effects_mirror (GstGLEffects *effects);
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void gst_gl_effects_squeeze (GstGLEffects *effects);
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void gst_gl_effects_stretch (GstGLEffects *effects);
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void gst_gl_effects_tunnel (GstGLEffects *effects);
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void gst_gl_effects_fisheye (GstGLEffects *effects);
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void gst_gl_effects_twirl (GstGLEffects *effects);
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void gst_gl_effects_bulge (GstGLEffects *effects);
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void gst_gl_effects_square (GstGLEffects *effects);
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void gst_gl_effects_heat (GstGLEffects *effects);
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void gst_gl_effects_sepia (GstGLEffects *effects);
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void gst_gl_effects_xpro (GstGLEffects *effects);
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void gst_gl_effects_xray (GstGLEffects *effects);
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void gst_gl_effects_luma_xpro (GstGLEffects *effects);
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void gst_gl_effects_sin (GstGLEffects *effects);
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void gst_gl_effects_glow (GstGLEffects *effects);
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G_END_DECLS
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#endif /*__GST_GL_EFFECTS_H__ */
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