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[154/906] added first skeleton of gstgleffects, imported basic stuff from cvs branch.

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Filippo Argiolas 2008-08-12 11:09:37 +02:00 committed by Matthew Waters
parent a595635904
commit 4fc5dab530
3 changed files with 347 additions and 4 deletions
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2
gst/gl/Makefile.am
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@ -12,8 +12,8 @@ libgstopengl_la_SOURCES = \
gstglupload.h \
gstgldownload.c \
gstgldownload.h \
gstgleffects.c \
gstglfilterblur.c \
gstglfilterblur.h \
gstglfiltercube.c \
gstglfiltercube.h \
gstglfilterlaplacian.c \

337
gst/gl/gstgleffects.c Normal file
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@ -0,0 +1,337 @@
/*
* 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 <gstglfilter.h>
//#include "effects/shadersources.h"
//#include "effects/textures.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(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 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);
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_gl_effects_debug, "gleffects", 0, "gleffects element");
GST_BOILERPLATE_FULL (GstGLEffects, gst_gl_effects, GstGLFilter,
GST_TYPE_GL_FILTER, DEBUG_INIT);
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);
static gboolean gst_gl_effects_filter (GstGLFilter * filter,
GstGLBuffer * inbuf, GstGLBuffer * outbuf);
#define GST_TYPE_GL_EFFECTS_EFFECT (gst_gl_effects_effect_get_type ())
static GType
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 }
};
if (!gl_effects_effect_type) {
gl_effects_effect_type =
g_enum_register_static ("GstGLEffectsEffect", effect_types);
}
return gl_effects_effect_type;
}
static const GstElementDetails element_details = GST_ELEMENT_DETAILS (
"Gstreamer OpenGL Effects",
"Filter/Effect",
"GL Shading Language effects",
"Filippo Argiolas <filippo.argiolas@gmail.com>");
enum
{
PROP_0,
PROP_EFFECT
};
static void
gst_gl_effects_init_gl_resources (GstGLFilter *filter)
{
GstGLEffects *effects = GST_GL_EFFECTS (filter);
gint i;
for (i=0; i<NEEDED_TEXTURES; i++) {
glGenTextures (1, &effects->midtexture[i]);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, effects->midtexture[i]);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
filter->width, filter->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
}
static void
gst_gl_effects_reset_gl_resources (GstGLFilter *filter)
{
GstGLEffects *effects = GST_GL_EFFECTS (filter);
gint i;
for (i=0; i<10; i++) {
glDeleteTextures (1, &effects->midtexture[i]);
effects->midtexture[i] = 0;
}
}
static void
gst_gl_effects_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &element_details);
}
static void
gst_gl_effects_class_init (GstGLEffectsClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_effects_set_property;
gobject_class->get_property = gst_gl_effects_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_effects_filter;
GST_GL_FILTER_CLASS (klass)->display_init_cb = gst_gl_effects_init_gl_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb = gst_gl_effects_reset_gl_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_effects_init_resources;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_effects_reset_resources;
g_object_class_install_property (
gobject_class,
PROP_EFFECT,
g_param_spec_enum ("effect",
"Effect",
"Select which effect apply to GL video texture",
GST_TYPE_GL_EFFECTS_EFFECT,
GST_GL_EFFECT_IDENTITY,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_gl_effects_draw_texture (GstGLEffects * effects, GLuint tex)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, tex);
glBegin (GL_QUADS);
glTexCoord2f (0.0, 0.0);
glVertex2f (-1.0, -1.0);
glTexCoord2f (filter->width, 0.0);
glVertex2f (1.0, -1.0);
glTexCoord2f (filter->width, filter->height);
glVertex2f (1.0, 1.0);
glTexCoord2f (0.0, filter->height);
glVertex2f (-1.0, 1.0);
glEnd ();
}
static void
gst_gl_effects_identity_callback (gint width, gint height, guint texture, gpointer data)
{
GstGLEffects* effects = GST_GL_EFFECTS (data);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gst_gl_effects_draw_texture (effects, texture);
}
static void
change_view (GstGLDisplay *display, gpointer data)
{
// GstGLEffects *effects = GST_GL_EFFECTS (data);
const double mirrormatrix[16] = {
-1.0, 0.0, 0.0, 0.0,
0.0, 1.0, 0.0, 0.0,
0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 0.0, 1.0
};
glMatrixMode (GL_MODELVIEW);
glLoadMatrixd (mirrormatrix);
}
static void
gst_gl_effects_identity (GstGLEffects *effects) {
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_display_thread_add (filter->display, change_view, effects);
gst_gl_filter_render_to_target (filter, effects->intexture, effects->outtexture,
gst_gl_effects_identity_callback, effects);
}
static void
gst_gl_effects_init (GstGLEffects * effects, GstGLEffectsClass * klass)
{
effects->shaderstable = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
g_object_unref);
effects->effect = gst_gl_effects_identity;
}
static void
gst_gl_effects_reset_resources (GstGLFilter* filter)
{
GstGLEffects* effects = GST_GL_EFFECTS(filter);
g_hash_table_unref (effects->shaderstable);
effects->shaderstable = NULL;
}
static void
gst_gl_effects_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
/* GstGLEffects *effects = GST_GL_EFFECTS (object); */
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_effects_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLEffects *effects = GST_GL_EFFECTS (object);
switch (prop_id) {
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;
}
}
static void
gst_gl_effects_init_resources (GstGLFilter* filter)
{
// GstGLEffects* blur_filter = GST_GL_EFFECTS (filter);
}
static gboolean
gst_gl_effects_filter (GstGLFilter* filter, GstGLBuffer* inbuf,
GstGLBuffer* outbuf)
{
GstGLEffects* effects = GST_GL_EFFECTS(filter);
effects->intexture = inbuf->texture;
effects->outtexture = outbuf->texture;
effects->effect (effects);
return TRUE;
}

6
gst/gl/gstopengl.c
View file

@ -31,6 +31,7 @@
#include "gstglimagesink.h"
#include "gstglcolorscale.h"
GType gst_gl_effects_get_type (void);
GType gst_gl_filter_app_get_type (void);
GType gst_gl_filter_cube_get_type (void);
GType gst_gl_filterblur_get_type (void);
@ -61,6 +62,11 @@ plugin_init (GstPlugin * plugin)
return FALSE;
}
if (!gst_element_register (plugin, "gleffects",
GST_RANK_NONE, gst_gl_effects_get_type())) {
return FALSE;
}
if (!gst_element_register (plugin, "glfilterblur",
GST_RANK_NONE, gst_gl_filterblur_get_type())) {
return FALSE;