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/*
* GStreamer
* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_EFFECTS_H__
#define __GST_GL_EFFECTS_H__
#include <gst/gl/gstglfilter.h>
#include "effects/gstgleffectssources.h"
G_BEGIN_DECLS
#define GST_TYPE_GL_EFFECTS (gst_gl_effects_get_type())
#define GST_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_EFFECTS,GstGLEffects))
#define GST_IS_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_EFFECTS))
#define GST_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
#define GST_IS_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_EFFECTS))
#define GST_GL_EFFECTS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
#define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
#define USING_OPENGL3(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL3, 3, 1))
#define USING_GLES(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES, 1, 0))
#define USING_GLES2(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 2, 0))
#define USING_GLES3(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 3, 0))
typedef struct _GstGLEffects GstGLEffects;
typedef struct _GstGLEffectsClass GstGLEffectsClass;
typedef struct {
gint effect;
guint supported_properties;
const gchar *filter_name;
} GstGLEffectsFilterDescriptor;
typedef void (* GstGLEffectProcessFunc) (GstGLEffects *effects);
#define NEEDED_TEXTURES 5
enum {
GST_GL_EFFECTS_CURVE_HEAT,
GST_GL_EFFECTS_CURVE_SEPIA,
GST_GL_EFFECTS_CURVE_XPRO,
GST_GL_EFFECTS_CURVE_LUMA_XPRO,
GST_GL_EFFECTS_CURVE_XRAY,
GST_GL_EFFECTS_N_CURVES
};
struct _GstGLEffects
{
GstGLFilter filter;
GstGLEffectProcessFunc effect;
gint current_effect;
GLuint intexture;
GLuint midtexture[NEEDED_TEXTURES];
GLuint outtexture;
GLuint curve[GST_GL_EFFECTS_N_CURVES];
GHashTable *shaderstable;
gboolean horizontal_swap; /* switch left to right */
gboolean invert; /* colours */
};
struct _GstGLEffectsClass
{
GstGLFilterClass filter_class;
const GstGLEffectsFilterDescriptor *filter_descriptor;
};
GType gst_gl_effects_get_type (void);
gboolean gst_gl_effects_register_filters (GstPlugin *, GstRank);
GstGLShader* gst_gl_effects_get_fragment_shader (GstGLEffects *effects,
const gchar * shader_name, const gchar * shader_source_gles2);
void gst_gl_effects_identity (GstGLEffects *effects);
void gst_gl_effects_mirror (GstGLEffects *effects);
void gst_gl_effects_squeeze (GstGLEffects *effects);
void gst_gl_effects_stretch (GstGLEffects *effects);
void gst_gl_effects_tunnel (GstGLEffects *effects);
void gst_gl_effects_fisheye (GstGLEffects *effects);
void gst_gl_effects_twirl (GstGLEffects *effects);
void gst_gl_effects_bulge (GstGLEffects *effects);
void gst_gl_effects_square (GstGLEffects *effects);
void gst_gl_effects_heat (GstGLEffects *effects);
void gst_gl_effects_sepia (GstGLEffects *effects);
void gst_gl_effects_xpro (GstGLEffects *effects);
void gst_gl_effects_xray (GstGLEffects *effects);
void gst_gl_effects_luma_xpro (GstGLEffects *effects);
void gst_gl_effects_sin (GstGLEffects *effects);
void gst_gl_effects_glow (GstGLEffects *effects);
void gst_gl_effects_sobel (GstGLEffects *effects);
void gst_gl_effects_blur (GstGLEffects *effects);
void gst_gl_effects_laplacian (GstGLEffects *effects);
G_END_DECLS
#endif /*__GST_GL_EFFECTS_H__ */
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