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[158/906] still working on mergin gstgleffects, add mirror effect. reorganize source tree.

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Filippo Argiolas 2008-08-13 20:58:49 +02:00 committed by Matthew Waters
parent fd192ec957
commit 7bbdcce721
5 changed files with 219 additions and 72 deletions
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8
gst/gl/Makefile.am
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@ -12,7 +12,6 @@ libgstopengl_la_SOURCES = \
gstglupload.h \
gstgldownload.c \
gstgldownload.h \
gstgleffects.c \
gstglfilterblur.c \
gstglfiltercube.c \
gstglfiltercube.h \
@ -25,7 +24,12 @@ libgstopengl_la_SOURCES = \
gltestsrc.c \
gltestsrc.h \
gstgltestsrc.c \
gstgltestsrc.h
gstgltestsrc.h \
gstgleffects.c \
effects/gstgleffects.h \
effects/gstgleffectsources.h \
effects/gstgleffectmirror.c
# check order of CFLAGS and LIBS, shouldn't the order be the other way around
# (like in AM_CFLAGS)?

73
gst/gl/effects/gstgleffectmirror.c Normal file
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@ -0,0 +1,73 @@
/*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstgleffects.h"
#include "gstgleffectssources.h"
static void
gst_gl_effects_mirror_callback (gint width, gint height, guint texture, gpointer data)
{
GstGLEffects* effects = GST_GL_EFFECTS (data);
GstGLShader *shader;
gfloat tex_size[2];
shader = g_hash_table_lookup (effects->shaderstable, "mirror0");
if (!shader) {
shader = gst_gl_shader_new ();
g_hash_table_insert (effects->shaderstable, "mirror0", shader);
}
g_return_if_fail (
gst_gl_shader_compile_and_check (shader, mirror_fragment_source,
GST_GL_SHADER_FRAGMENT_SOURCE));
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gst_gl_shader_use (shader);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
tex_size[0] = GST_GL_FILTER(effects)->width / 2.0;
tex_size[1] = GST_GL_FILTER(effects)->height / 2.0;
gst_gl_shader_set_uniform_1f (shader, "width", tex_size[0]);
gst_gl_shader_set_uniform_1f (shader, "height", tex_size[1]);
gst_gl_effects_draw_texture (effects, texture);
}
void
gst_gl_effects_mirror (GstGLEffects *effects) {
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, effects->intexture, effects->outtexture,
gst_gl_effects_mirror_callback, effects);
}

73
gst/gl/effects/gstgleffects.h Normal file
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@ -0,0 +1,73 @@
/*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_GL_EFFECTS_H__
#define __GST_GL_EFFECTS_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gstglfilter.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))
typedef struct _GstGLEffects GstGLEffects;
typedef struct _GstGLEffectsClass GstGLEffectsClass;
typedef void (* GstGLEffectProcessFunc) (GstGLEffects *effects);
#define NEEDED_TEXTURES 10
struct _GstGLEffects
{
GstGLFilter filter;
GstGLEffectProcessFunc effect;
gint current_effect;
GLuint intexture;
GLuint midtexture[NEEDED_TEXTURES];
GLuint outtexture;
GHashTable *shaderstable;
};
struct _GstGLEffectsClass
{
GstGLFilterClass filter_class;
};
GType gst_gl_effects_get_type (void);
void gst_gl_effects_draw_texture (GstGLEffects * effects, GLuint tex);
void gst_gl_effects_mirror (GstGLEffects *effects);
G_END_DECLS
#endif /*__GST_GL_EFFECTS_H__ */

40
gst/gl/effects/gstgleffectssources.h Normal file
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@ -0,0 +1,40 @@
/*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_GL_EFFECTS_SOURCES_H__
#define __GST_GL_EFFECTS_SOURCES_H__
/* Mirror effect */
static const gchar *mirror_fragment_source =
"#extension GL_ARB_texture_rectangle : enable\n"
"uniform sampler2DRect tex;"
"uniform float width, height;"
"void main () {"
" vec2 tex_size = vec2 (width, height);"
" vec2 texturecoord = gl_TexCoord[0].xy;"
" vec2 normcoord;"
" normcoord = texturecoord / tex_size - 1.0;"
" normcoord.x *= sign (normcoord.x);"
" texturecoord = (normcoord + 1.0) * tex_size;"
" vec4 color = texture2DRect (tex, texturecoord); "
" gl_FragColor = color * gl_Color;"
"}";
#endif /* __GST_GL_EFFECTS_SOURCES_H__ */

97
gst/gl/gstgleffects.c
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@ -18,13 +18,7 @@
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gstglfilter.h>
//#include "effects/shadersources.h"
//#include "effects/textures.h"
#include "effects/gstgleffects.h"
#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))
@ -33,53 +27,12 @@
#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))
typedef struct _GstGLEffects GstGLEffects;
typedef struct _GstGLEffectsClass GstGLEffectsClass;
typedef enum {
GST_GL_EFFECT_IDENTITY,
GST_GL_EFFECT_SQUEEZE,
GST_GL_EFFECT_STRETCH,
GST_GL_EFFECT_TUNNEL,
GST_GL_EFFECT_FISHEYE,
GST_GL_EFFECT_TWIRL,
GST_GL_EFFECT_BULGE,
GST_GL_EFFECT_SQUARE,
GST_GL_EFFECT_MIRROR,
GST_GL_EFFECT_HEAT,
GST_GL_EFFECT_SEPIA,
GST_GL_EFFECT_CROSS,
GST_GL_EFFECT_GLOW,
GST_GL_EFFECT_EMBOSS,
GST_GL_EFFECT_BACKGROUND,
GST_GL_EFFECT_TEST,
GST_GL_N_EFFECTS
} GstGLEffectsEffect;
#define NEEDED_TEXTURES 10
typedef void (* GstGLEffectProcessFunc) (GstGLEffects *effects);
struct _GstGLEffects
{
GstGLFilter filter;
GstGLEffectProcessFunc effect;
GLuint intexture;
GLuint midtexture[NEEDED_TEXTURES];
GLuint outtexture;
GHashTable *shaderstable;
};
struct _GstGLEffectsClass
{
GstGLFilterClass filter_class;
};
GType gst_gl_effects_get_type (void);
#define GST_CAT_DEFAULT gst_gl_effects_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
@ -93,7 +46,6 @@ static void gst_gl_effects_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_effects_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_gl_effects_draw_texture (GstGLEffects * effects, GLuint tex);
static void gst_gl_effects_init_resources (GstGLFilter* filter);
static void gst_gl_effects_reset_resources (GstGLFilter* filter);
@ -108,21 +60,7 @@ gst_gl_effects_effect_get_type (void)
static GType gl_effects_effect_type = 0;
static const GEnumValue effect_types [] = {
{ GST_GL_EFFECT_IDENTITY, "Do nothing Effect", "identity" },
{ GST_GL_EFFECT_SQUEEZE, "Squeeze Effect", "squeeze" },
{ GST_GL_EFFECT_STRETCH, "Stretch Effect", "stretch" },
{ GST_GL_EFFECT_FISHEYE, "FishEye Effect", "fisheye" },
{ GST_GL_EFFECT_TWIRL, "Twirl Effect", "twirl" },
{ GST_GL_EFFECT_BULGE, "Bulge Effect", "bulge" },
{ GST_GL_EFFECT_TUNNEL, "Light Tunnel Effect", "tunnel" },
{ GST_GL_EFFECT_SQUARE, "Square Effect", "square" },
{ GST_GL_EFFECT_MIRROR, "Mirror Effect", "mirror" },
{ GST_GL_EFFECT_HEAT, "Heat Signature Effect", "heat" },
{ GST_GL_EFFECT_SEPIA, "Sepia Tone Effect", "sepia" },
{ GST_GL_EFFECT_CROSS, "Cross Processing Effect", "cross" },
{ GST_GL_EFFECT_GLOW, "Glow Lighting Effect", "glow" },
{ GST_GL_EFFECT_EMBOSS, "Emboss Convolution Effect", "emboss" },
{ GST_GL_EFFECT_BACKGROUND, "Difference Matte Effect", "background" },
{ GST_GL_EFFECT_TEST, "Test Effect", "test" },
{ 0, NULL, NULL }
};
@ -209,7 +147,7 @@ gst_gl_effects_class_init (GstGLEffectsClass * klass)
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
void
gst_gl_effects_draw_texture (GstGLEffects * effects, GLuint tex)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
@ -287,16 +225,35 @@ gst_gl_effects_reset_resources (GstGLFilter* filter)
effects->shaderstable = NULL;
}
static void
gst_gl_effects_set_effect (GstGLEffects *effects, gint effect_type) {
switch (effect_type) {
case GST_GL_EFFECT_IDENTITY:
effects->effect = (GstGLEffectProcessFunc) gst_gl_effects_identity;
break;
case GST_GL_EFFECT_MIRROR:
effects->effect = (GstGLEffectProcessFunc) gst_gl_effects_mirror;
break;
default:
g_assert_not_reached ();
}
effects->current_effect = effect_type;
}
static void
gst_gl_effects_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
/* GstGLEffects *effects = GST_GL_EFFECTS (object); */
GstGLEffects *effects = GST_GL_EFFECTS (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case PROP_EFFECT:
gst_gl_effects_set_effect (effects, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
@ -304,11 +261,11 @@ static void
gst_gl_effects_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
//GstGLEffects *effects = GST_GL_EFFECTS (object);
GstGLEffects *effects = GST_GL_EFFECTS (object);
switch (prop_id) {
case PROP_EFFECT:
//gst_gl_effects_set_effect (effects, g_value_get_enum (value));
g_value_set_enum (value, effects->current_effect);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);