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gleffects: Merge sobel filter into effects

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=746209
This commit is contained in:
Michał Dębski 2015-03-22 11:20:49 +01:00 committed by Tim-Philipp Müller
parent 208b5f999e
commit befbf3733b
7 changed files with 207 additions and 340 deletions
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3
ext/gl/Makefile.am
View file

@ -29,6 +29,7 @@ libgstopengl_la_SOURCES = \
effects/gstgleffectxray.c \
effects/gstgleffectglow.c \
effects/gstgleffectblur.c \
effects/gstgleffectsobel.c \
gstglcolorscale.c \
gstglmixer.c \
gstglvideomixer.c \
@ -57,7 +58,6 @@ noinst_HEADERS = \
# full opengl required
if USE_OPENGL
libgstopengl_la_SOURCES += \
gstglfiltersobel.c \
gstglfilterlaplacian.c \
gstglfilterglass.c \
gstgldeinterlace.c \
@ -66,7 +66,6 @@ libgstopengl_la_SOURCES += \
gstglmosaic.c
noinst_HEADERS += \
gstglfiltersobel.h \
gstglfilterlaplacian.h \
gstglfilterglass.h \
gstgldeinterlace.h \

180
ext/gl/effects/gstgleffectsobel.c Normal file
View file

@ -0,0 +1,180 @@
/*
* GStreamer
* Copyright (C) 2008-2010 Filippo Argiolas <filippo.argiolas@gmail.com>
* Copyright (C) 2015 Michał Dębski <debski.mi.zd@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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "../gstgleffects.h"
static void
gst_gl_effects_sobel_callback_desaturate (gint width, gint height,
guint texture, gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "desat0",
desaturate_fragment_source_gles2,
desaturate_fragment_source_opengl))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Disable (GL_TEXTURE_2D);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
}
static void
gst_gl_effects_sobel_callback_hconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "hconv0",
sep_sobel_hconv3_fragment_source_gles2,
sep_sobel_hconv3_fragment_source_opengl))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Disable (GL_TEXTURE_2D);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
}
static void
gst_gl_effects_sobel_callback_vconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "vconv0",
sep_sobel_vconv3_fragment_source_gles2,
sep_sobel_vconv3_fragment_source_opengl))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Disable (GL_TEXTURE_2D);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
}
static void
gst_gl_effects_sobel_callback_length (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "len0",
sep_sobel_length_fragment_source_gles2,
sep_sobel_length_fragment_source_opengl))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Disable (GL_TEXTURE_2D);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
gst_gl_filter_draw_texture (filter, texture, width, height);
}
}
void
gst_gl_effects_sobel (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE,
effects->intexture, effects->midtexture[0],
gst_gl_effects_sobel_callback_desaturate, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[0], effects->midtexture[1],
gst_gl_effects_sobel_callback_hconv, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[1], effects->midtexture[0],
gst_gl_effects_sobel_callback_vconv, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[0], effects->outtexture,
gst_gl_effects_sobel_callback_length, effects);
}

22
ext/gl/gstgleffects.c
View file

@ -90,6 +90,7 @@ typedef enum
GST_GL_EFFECT_XRAY,
GST_GL_EFFECT_SIN,
GST_GL_EFFECT_GLOW,
GST_GL_EFFECT_SOBEL,
GST_GL_EFFECT_BLUR,
GST_GL_N_EFFECTS
} GstGLEffectsEffect;
@ -116,6 +117,7 @@ gst_gl_effects_effect_get_type (void)
{GST_GL_EFFECT_XRAY, "Glowing negative effect", "xray"},
{GST_GL_EFFECT_SIN, "All Grey but Red Effect", "sin"},
{GST_GL_EFFECT_GLOW, "Glow Lighting Effect", "glow"},
{GST_GL_EFFECT_SOBEL, "Sobel edge detection Effect", "sobel"},
{GST_GL_EFFECT_BLUR, "Blur with 9x9 separable convolution Effect", "blur"},
{0, NULL, NULL}
};
@ -229,6 +231,12 @@ gst_gl_effects_set_effect (GstGLEffects * effects, gint effect_type)
GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
effects->current_effect = effect_type;
break;
case GST_GL_EFFECT_SOBEL:
effects->effect = (GstGLEffectProcessFunc) gst_gl_effects_sobel;
filter_class->supported_gl_api =
GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
effects->current_effect = effect_type;
break;
case GST_GL_EFFECT_BLUR:
effects->effect = (GstGLEffectProcessFunc) gst_gl_effects_blur;
filter_class->supported_gl_api =
@ -322,6 +330,13 @@ gst_gl_effects_class_init (GstGLEffectsClass * klass)
"Horizontal Swap",
"Switch video texture left to right, useful with webcams",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* FIXME: make it work on every effect */
g_object_class_install_property (gobject_class,
PROP_INVERT,
g_param_spec_boolean ("invert",
"Invert the colours for sobel effect",
"Invert colors to get dark edges on bright background when using sobel effect",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"Gstreamer OpenGL Effects", "Filter/Effect/Video",
@ -355,6 +370,7 @@ gst_gl_effects_init (GstGLEffects * effects)
{
effects->effect = gst_gl_effects_identity;
effects->horizontal_swap = FALSE;
effects->invert = FALSE;
}
static void
@ -398,6 +414,9 @@ gst_gl_effects_set_property (GObject * object, guint prop_id,
case PROP_HSWAP:
effects->horizontal_swap = g_value_get_boolean (value);
break;
case PROP_INVERT:
effects->invert = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -417,6 +436,9 @@ gst_gl_effects_get_property (GObject * object, guint prop_id,
case PROP_HSWAP:
g_value_set_boolean (value, effects->horizontal_swap);
break;
case PROP_INVERT:
g_value_set_boolean (value, effects->invert);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;

5
ext/gl/gstgleffects.h
View file

@ -72,6 +72,7 @@ struct _GstGLEffects
GHashTable *shaderstable;
gboolean horizontal_swap; /* switch left to right */
gboolean invert; /* colours */
};
struct _GstGLEffectsClass
@ -83,7 +84,8 @@ enum
{
PROP_0,
PROP_EFFECT,
PROP_HSWAP
PROP_HSWAP,
PROP_INVERT
};
@ -107,6 +109,7 @@ 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);
G_END_DECLS

275
ext/gl/gstglfiltersobel.c
View file

@ -1,275 +0,0 @@
/*
* GStreamer
* Copyright (C) 2008-2010 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.
*/
/**
* SECTION:element-glfiltersobel.
*
* Sobel Edge Detection.
*
* <refsect2>
* <title>Examples</title>
* |[
* gst-launch videotestsrc ! glupload ! glfiltersobel ! glimagesink
* ]|
* FBO (Frame Buffer Object) and GLSL (OpenGL Shading Language) are required.
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstglfiltersobel.h"
#include "effects/gstgleffectssources.h"
enum
{
PROP_0,
PROP_INVERT
};
#define GST_CAT_DEFAULT gst_gl_filtersobel_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_gl_filtersobel_debug, "glfiltersobel", 0, "glfiltersobel element");
G_DEFINE_TYPE_WITH_CODE (GstGLFilterSobel, gst_gl_filtersobel,
GST_TYPE_GL_FILTER, DEBUG_INIT);
static void gst_gl_filtersobel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_gl_filtersobel_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_gl_filter_filtersobel_reset (GstGLFilter * filter);
static gboolean gst_gl_filtersobel_init_shader (GstGLFilter * filter);
static gboolean gst_gl_filtersobel_filter_texture (GstGLFilter * filter,
guint in_tex, guint out_tex);
static void gst_gl_filtersobel_length (gint width, gint height, guint texture,
gpointer stuff);
static void
gst_gl_filtersobel_init_resources (GstGLFilter * filter)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
int i;
for (i = 0; i < 2; i++) {
gl->GenTextures (1, &filtersobel->midtexture[i]);
gl->BindTexture (GL_TEXTURE_2D, filtersobel->midtexture[i]);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGBA8,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
}
static void
gst_gl_filtersobel_reset_resources (GstGLFilter * filter)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
int i;
for (i = 0; i < 2; i++) {
gl->DeleteTextures (1, &filtersobel->midtexture[i]);
}
}
static void
gst_gl_filtersobel_class_init (GstGLFilterSobelClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_filtersobel_set_property;
gobject_class->get_property = gst_gl_filtersobel_get_property;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_filtersobel_filter_texture;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_filtersobel_init_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_filtersobel_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filtersobel_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_filtersobel_reset;
g_object_class_install_property (gobject_class,
PROP_INVERT,
g_param_spec_boolean ("invert",
"Invert the colors",
"Invert colors to get dark edges on bright background",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"Gstreamer OpenGL Sobel", "Filter/Effect/Video", "Sobel edge detection",
"Filippo Argiolas <filippo.argiolas@gmail.com>");
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL;
}
static void
gst_gl_filtersobel_init (GstGLFilterSobel * filtersobel)
{
int i;
filtersobel->hconv = NULL;
filtersobel->vconv = NULL;
filtersobel->invert = FALSE;
for (i = 0; i < 2; i++) {
filtersobel->midtexture[i] = 0;
}
}
static void
gst_gl_filter_filtersobel_reset (GstGLFilter * filter)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
//blocking call, wait the opengl thread has destroyed the shader
if (filtersobel->desat)
gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context,
filtersobel->desat);
filtersobel->desat = NULL;
if (filtersobel->hconv)
gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context,
filtersobel->hconv);
filtersobel->hconv = NULL;
if (filtersobel->vconv)
gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context,
filtersobel->vconv);
filtersobel->vconv = NULL;
if (filtersobel->len)
gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context,
filtersobel->len);
filtersobel->len = NULL;
}
static void
gst_gl_filtersobel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (object);
switch (prop_id) {
case PROP_INVERT:
filtersobel->invert = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_gl_filtersobel_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (object);
switch (prop_id) {
case PROP_INVERT:
g_value_set_boolean (value, filtersobel->invert);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
gst_gl_filtersobel_init_shader (GstGLFilter * filter)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
gboolean ret = TRUE;
//blocking call, wait the opengl thread has compiled the shader
ret =
gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
desaturate_fragment_source_opengl, &filtersobel->desat);
ret &=
gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
sep_sobel_hconv3_fragment_source_opengl, &filtersobel->hconv);
ret &=
gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
sep_sobel_vconv3_fragment_source_opengl, &filtersobel->vconv);
ret &=
gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
sep_sobel_length_fragment_source_opengl, &filtersobel->len);
return ret;
}
static gboolean
gst_gl_filtersobel_filter_texture (GstGLFilter * filter, guint in_tex,
guint out_tex)
{
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
gst_gl_filter_render_to_target_with_shader (filter, TRUE, in_tex,
filtersobel->midtexture[0], filtersobel->desat);
gst_gl_filter_render_to_target_with_shader (filter, FALSE,
filtersobel->midtexture[0], filtersobel->midtexture[1],
filtersobel->hconv);
gst_gl_filter_render_to_target_with_shader (filter, FALSE,
filtersobel->midtexture[1], filtersobel->midtexture[0],
filtersobel->vconv);
gst_gl_filter_render_to_target (filter, FALSE, filtersobel->midtexture[0],
out_tex, gst_gl_filtersobel_length, filtersobel);
return TRUE;
}
static void
gst_gl_filtersobel_length (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLFilterSobel *filtersobel = GST_GL_FILTERSOBEL (filter);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gst_gl_shader_use (filtersobel->len);
gl->ActiveTexture (GL_TEXTURE1);
gl->Enable (GL_TEXTURE_2D);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Disable (GL_TEXTURE_2D);
gst_gl_shader_set_uniform_1i (filtersobel->len, "tex", 1);
gst_gl_shader_set_uniform_1i (filtersobel->len, "invert",
filtersobel->invert);
gst_gl_filter_draw_texture (filter, texture, width, height);
}

56
ext/gl/gstglfiltersobel.h
View file

@ -1,56 +0,0 @@
/*
* 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_FILTERSOBEL_H_
#define _GST_GL_FILTERSOBEL_H_
#include <gst/gl/gstglfilter.h>
#define GST_TYPE_GL_FILTERSOBEL (gst_gl_filtersobel_get_type())
#define GST_GL_FILTERSOBEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTERSOBEL,GstGLFilterSobel))
#define GST_IS_GL_FILTERSOBEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTERSOBEL))
#define GST_GL_FILTERSOBEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTERSOBEL,GstGLFilterSobelClass))
#define GST_IS_GL_FILTERSOBEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTERSOBEL))
#define GST_GL_FILTERSOBEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTERSOBEL,GstGLFilterSobelClass))
typedef struct _GstGLFilterSobel GstGLFilterSobel;
typedef struct _GstGLFilterSobelClass GstGLFilterSobelClass;
struct _GstGLFilterSobel
{
GstGLFilter filter;
GstGLShader *hconv;
GstGLShader *vconv;
GstGLShader *len;
GstGLShader *desat;
GLuint midtexture[5];
gboolean invert;
};
struct _GstGLFilterSobelClass
{
GstGLFilterClass filter_class;
};
GType gst_gl_filtersobel_get_type (void);
#endif /* _GST_GL_FILTERSOBEL_H_ */

6
ext/gl/gstopengl.c
View file

@ -72,7 +72,6 @@
#include "gstglfilterlaplacian.h"
#include "gstglfilterglass.h"
/* #include "gstglfilterreflectedscreen.h" */
#include "gstglfiltersobel.h"
#include "gstgldeinterlace.h"
#include "gstglmosaic.h"
#if HAVE_PNG
@ -201,11 +200,6 @@ plugin_init (GstPlugin * plugin)
return FALSE;
}
if (!gst_element_register (plugin, "glfiltersobel",
GST_RANK_NONE, gst_gl_filtersobel_get_type ())) {
return FALSE;
}
if (!gst_element_register (plugin, "glfilterlaplacian",
GST_RANK_NONE, GST_TYPE_GL_FILTER_LAPLACIAN)) {
return FALSE;