gstglupload.h \
gstgldownload.c \
gstgldownload.h \
- gstgleffects.c \
gstglfilterblur.c \
gstglfiltercube.c \
gstglfiltercube.h \
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)?
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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__ */
--- /dev/null
+/*
+ * 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__ */
* 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))
#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);
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);
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 }
};
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);
}
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;
}
}
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);
projects / platform / upstream / gstreamer.git / commitdiff