effects/gstgleffectglow.c \
effects/gstgleffectblur.c \
effects/gstgleffectsobel.c \
+ effects/gstgleffectlaplacian.c \
gstglcolorscale.c \
gstglmixer.c \
gstglvideomixer.c \
# full opengl required
if USE_OPENGL
libgstopengl_la_SOURCES += \
- gstglfilterlaplacian.c \
gstglfilterglass.c \
gstgldeinterlace.c \
gltestsrc.c \
gstglmosaic.c
noinst_HEADERS += \
- gstglfilterlaplacian.h \
gstglfilterglass.h \
gstgldeinterlace.h \
gltestsrc.h \
--- /dev/null
+/*
+ * 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_laplacian_callback (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, "conv0",
+ conv9_fragment_source_gles2, conv9_fragment_source_opengl))) {
+ GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
+ static gfloat kernel[9] = { 0.0, -1.0, 0.0,
+ -1.0, 4.0, -1.0,
+ 0.0, -1.0, 0.0
+ };
+
+#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_shader_set_uniform_1f (shader, "width", width);
+ gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, kernel);
+ gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
+
+ gst_gl_filter_draw_texture (filter, texture, width, height);
+ }
+}
+
+void
+gst_gl_effects_laplacian (GstGLEffects * effects)
+{
+ gst_gl_filter_render_to_target (GST_GL_FILTER (effects), TRUE,
+ effects->intexture, effects->outtexture,
+ gst_gl_effects_laplacian_callback, effects);
+}
"gl_FragColor = vec4 (step (0.12, length (savedcolor - currentcolor)));"
"}";
+/* This filter is meant as a demo of gst-plugins-gl + glsl
+ capabilities. So I'm keeping this shader readable enough. If and
+ when this shader will be used in production be careful to hard code
+ kernel into the shader and remove unneeded zero multiplications in
+ the convolution */
+const gchar *conv9_fragment_source_opengl =
+ "uniform sampler2D tex;"
+ "uniform float kernel[9];"
+ "uniform float width, height;"
+ "uniform bool invert;"
+ "void main () {"
+ " float w = 1.0 / width;"
+ " float h = 1.0 / height;"
+ " vec2 texturecoord[9];"
+ " texturecoord[4] = gl_TexCoord[0].st;" /* 0 0 */
+ " texturecoord[5] = texturecoord[4] + vec2(w, 0.0);" /* 1 0 */
+ " texturecoord[2] = texturecoord[5] - vec2(0.0, h);" /* 1 -1 */
+ " texturecoord[1] = texturecoord[2] - vec2(w, 0.0);" /* 0 -1 */
+ " texturecoord[0] = texturecoord[1] - vec2(w, 0.0);" /* -1 -1 */
+ " texturecoord[3] = texturecoord[0] + vec2(0.0, h);" /* -1 0 */
+ " texturecoord[6] = texturecoord[3] + vec2(0.0, h);" /* -1 1 */
+ " texturecoord[7] = texturecoord[6] + vec2(w, 0.0);" /* 0 1 */
+ " texturecoord[8] = texturecoord[7] + vec2(w, 0.0);" /* 1 1 */
+ " int i;"
+ " vec3 sum = vec3 (0.0);"
+ " for (i = 0; i < 9; i++) { "
+ " vec4 neighbor = texture2D (tex, texturecoord[i]);"
+ " sum += neighbor.xyz * kernel[i];"
+ " }"
+ " gl_FragColor = vec4 (abs(sum - vec3(float(invert))), 1.0);"
+ "}";
+
+const gchar *conv9_fragment_source_gles2 =
+ "#ifdef GL_ES\n"
+ "precision mediump float;\n"
+ "#endif\n"
+ "varying vec2 v_texcoord;"
+ "uniform sampler2D tex;"
+ "uniform float kernel[9];"
+ "uniform float width, height;"
+ "void main () {"
+ " float w = 1.0 / width;"
+ " float h = 1.0 / height;"
+ " vec2 texturecoord[9];"
+ " texturecoord[4] = v_texcoord.xy;" /* 0 0 */
+ " texturecoord[5] = texturecoord[4] + vec2(w, 0.0);" /* 1 0 */
+ " texturecoord[2] = texturecoord[5] - vec2(0.0, h);" /* 1 -1 */
+ " texturecoord[1] = texturecoord[2] - vec2(w, 0.0);" /* 0 -1 */
+ " texturecoord[0] = texturecoord[1] - vec2(w, 0.0);" /* -1 -1 */
+ " texturecoord[3] = texturecoord[0] + vec2(0.0, h);" /* -1 0 */
+ " texturecoord[6] = texturecoord[3] + vec2(0.0, h);" /* -1 1 */
+ " texturecoord[7] = texturecoord[6] + vec2(w, 0.0);" /* 0 1 */
+ " texturecoord[8] = texturecoord[7] + vec2(w, 0.0);" /* 1 1 */
+ " int i;"
+ " vec3 sum = vec3 (0.0);"
+ " for (i = 0; i < 9; i++) { "
+ " vec4 neighbor = texture2D (tex, texturecoord[i]);"
+ " sum += neighbor.xyz * kernel[i];"
+ " }"
+ " gl_FragColor = vec4 (abs(sum - vec3(float(invert))), 1.0);"
+ "}";
+
/* *INDENT-ON* */
extern const gchar *sep_sobel_vconv3_fragment_source_opengl;
extern const gchar *sep_sobel_length_fragment_source_opengl;
extern const gchar *multiply_fragment_source_opengl;
+extern const gchar *conv9_fragment_source_opengl;
extern const gchar *mirror_fragment_source_gles2;
extern const gchar *squeeze_fragment_source_gles2;
extern const gchar *sep_sobel_vconv3_fragment_source_gles2;
extern const gchar *sep_sobel_length_fragment_source_gles2;
extern const gchar *multiply_fragment_source_gles2;
+extern const gchar *conv9_fragment_source_gles2;
extern const gchar *interpolate_fragment_source;
extern const gchar *texture_interp_fragment_source;
GST_GL_EFFECT_GLOW,
GST_GL_EFFECT_SOBEL,
GST_GL_EFFECT_BLUR,
+ GST_GL_EFFECT_LAPLACIAN,
GST_GL_N_EFFECTS
} GstGLEffectsEffect;
{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"},
+ {GST_GL_EFFECT_LAPLACIAN, "Laplacian Convolution Demo Effect", "laplacian"},
{0, NULL, NULL}
};
GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
effects->current_effect = effect_type;
break;
+ case GST_GL_EFFECT_LAPLACIAN:
+ effects->effect = (GstGLEffectProcessFunc) gst_gl_effects_laplacian;
+ filter_class->supported_gl_api =
+ GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
+ effects->current_effect = effect_type;
+ break;
default:
g_assert_not_reached ();
}
g_object_class_install_property (gobject_class,
PROP_INVERT,
g_param_spec_boolean ("invert",
- "Invert the colours for sobel effect",
+ "Invert the colours for sobel and laplacian effect",
"Invert colors to get dark edges on bright background when using sobel effect",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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
+++ /dev/null
-/*
- * 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-glfilterlaplacian
- *
- * Laplacian Convolution Demo Filter.
- *
- * <refsect2>
- * <title>Examples</title>
- * |[
- * gst-launch videotestsrc ! glupload ! glfilterlaplacian ! glimagesink
- * ]|
- * FBO (Frame Buffer Object) and GLSL (OpenGL Shading Language) are required.
- * </refsect2>
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstglfilterlaplacian.h"
-
-#define GST_CAT_DEFAULT gst_gl_filter_laplacian_debug
-GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-
-enum
-{
- PROP_0
-};
-
-#define DEBUG_INIT \
- GST_DEBUG_CATEGORY_INIT (gst_gl_filter_laplacian_debug, "glfilterlaplacian", 0, "glfilterlaplacian element");
-
-G_DEFINE_TYPE_WITH_CODE (GstGLFilterLaplacian, gst_gl_filter_laplacian,
- GST_TYPE_GL_FILTER, DEBUG_INIT);
-
-static void gst_gl_filter_laplacian_set_property (GObject * object,
- guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_gl_filter_laplacian_get_property (GObject * object,
- guint prop_id, GValue * value, GParamSpec * pspec);
-
-static void gst_gl_filter_laplacian_reset (GstGLFilter * filter);
-static gboolean gst_gl_filter_laplacian_init_shader (GstGLFilter * filter);
-static gboolean gst_gl_filter_laplacian_filter_texture (GstGLFilter * filter,
- guint in_tex, guint out_tex);
-static void gst_gl_filter_laplacian_callback (gint width, gint height,
- guint texture, gpointer stuff);
-
-/* *INDENT-OFF* */
-
-/* This filter is meant as a demo of gst-plugins-gl + glsl
- capabilities. So I'm keeping this shader readable enough. If and
- when this shader will be used in production be careful to hard code
- kernel into the shader and remove unneeded zero multiplications in
- the convolution */
-static const gchar *convolution_fragment_source =
- "uniform sampler2D tex;"
- "uniform float kernel[9];"
- "uniform float width, height;"
- "void main () {"
- " float w = 1.0 / width;"
- " float h = 1.0 / height;"
- " vec2 texturecoord[9];"
- " texturecoord[4] = gl_TexCoord[0].st;" /* 0 0 */
- " texturecoord[5] = texturecoord[4] + vec2(w, 0.0);" /* 1 0 */
- " texturecoord[2] = texturecoord[5] - vec2(0.0, h);" /* 1 -1 */
- " texturecoord[1] = texturecoord[2] - vec2(w, 0.0);" /* 0 -1 */
- " texturecoord[0] = texturecoord[1] - vec2(w, 0.0);" /* -1 -1 */
- " texturecoord[3] = texturecoord[0] + vec2(0.0, h);" /* -1 0 */
- " texturecoord[6] = texturecoord[3] + vec2(0.0, h);" /* -1 1 */
- " texturecoord[7] = texturecoord[6] + vec2(w, 0.0);" /* 0 1 */
- " texturecoord[8] = texturecoord[7] + vec2(w, 0.0);" /* 1 1 */
- " int i;"
- " vec4 sum = vec4 (0.0);"
- " for (i = 0; i < 9; i++) { "
- " vec4 neighbor = texture2D(tex, texturecoord[i]);"
- " sum += neighbor * kernel[i];"
- " }"
- " gl_FragColor = sum;"
- "}";
-/* *INDENT-ON* */
-
-static void
-gst_gl_filter_laplacian_class_init (GstGLFilterLaplacianClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = (GObjectClass *) klass;
- element_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->set_property = gst_gl_filter_laplacian_set_property;
- gobject_class->get_property = gst_gl_filter_laplacian_get_property;
-
- gst_element_class_set_metadata (element_class,
- "OpenGL laplacian filter", "Filter/Effect/Video",
- "Laplacian Convolution Demo Filter",
- "Filippo Argiolas <filippo.argiolas@gmail.com>");
-
- GST_GL_FILTER_CLASS (klass)->filter_texture =
- gst_gl_filter_laplacian_filter_texture;
- GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filter_laplacian_init_shader;
- GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_laplacian_reset;
-
- GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL;
-}
-
-static void
-gst_gl_filter_laplacian_init (GstGLFilterLaplacian * filter)
-{
- filter->shader = NULL;
-}
-
-static void
-gst_gl_filter_laplacian_reset (GstGLFilter * filter)
-{
- GstGLFilterLaplacian *laplacian_filter = GST_GL_FILTER_LAPLACIAN (filter);
-
- //blocking call, wait the opengl thread has destroyed the shader
- if (laplacian_filter->shader)
- gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context,
- laplacian_filter->shader);
- laplacian_filter->shader = NULL;
-}
-
-static void
-gst_gl_filter_laplacian_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- //GstGLFilterLaplacian *filter = GST_GL_FILTER_LAPLACIAN (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_gl_filter_laplacian_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- //GstGLFilterLaplacian *filter = GST_GL_FILTER_LAPLACIAN (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static gboolean
-gst_gl_filter_laplacian_init_shader (GstGLFilter * filter)
-{
- GstGLFilterLaplacian *laplacian_filter = GST_GL_FILTER_LAPLACIAN (filter);
-
- //blocking call, wait the opengl thread has compiled the shader
- return gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
- convolution_fragment_source, &laplacian_filter->shader);
-}
-
-static gboolean
-gst_gl_filter_laplacian_filter_texture (GstGLFilter * filter, guint in_tex,
- guint out_tex)
-{
- gpointer laplacian_filter = GST_GL_FILTER_LAPLACIAN (filter);
-
-
- //blocking call, use a FBO
- gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
- gst_gl_filter_laplacian_callback, laplacian_filter);
-
- return TRUE;
-}
-
-//opengl scene, params: input texture (not the output filter->texture)
-static void
-gst_gl_filter_laplacian_callback (gint width, gint height, guint texture,
- gpointer stuff)
-{
- GstGLFilter *filter = GST_GL_FILTER (stuff);
- GstGLFilterLaplacian *laplacian_filter = GST_GL_FILTER_LAPLACIAN (filter);
- GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
-
- gfloat kernel[9] = { 0.0, -1.0, 0.0,
- -1.0, 4.0, -1.0,
- 0.0, -1.0, 0.0
- };
-
- gl->MatrixMode (GL_PROJECTION);
- gl->LoadIdentity ();
-
- gst_gl_shader_use (laplacian_filter->shader);
-
- gl->ActiveTexture (GL_TEXTURE0);
- gl->Enable (GL_TEXTURE_2D);
- gl->BindTexture (GL_TEXTURE_2D, texture);
-
- gst_gl_shader_set_uniform_1i (laplacian_filter->shader, "tex", 0);
- gst_gl_shader_set_uniform_1fv (laplacian_filter->shader, "kernel", 9, kernel);
- gst_gl_shader_set_uniform_1f (laplacian_filter->shader, "width",
- (gfloat) width);
- gst_gl_shader_set_uniform_1f (laplacian_filter->shader, "height",
- (gfloat) height);
-
- gst_gl_filter_draw_texture (filter, texture, width, height);
-}
+++ /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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef _GST_GL_FILTERLAPLACIAN_H_
-#define _GST_GL_FILTERLAPLACIAN_H_
-
-#include <gst/gl/gstglfilter.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_GL_FILTER_LAPLACIAN (gst_gl_filter_laplacian_get_type())
-#define GST_GL_FILTER_LAPLACIAN(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_FILTER_LAPLACIAN,GstGLFilterLaplacian))
-#define GST_IS_GL_FILTER_LAPLACIAN(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_FILTER_LAPLACIAN))
-#define GST_GL_FILTER_LAPLACIAN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_GL_FILTER_LAPLACIAN,GstGLFilterLaplacianClass))
-#define GST_IS_GL_FILTER_LAPLACIAN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER_LAPLACIAN))
-#define GST_GL_FILTER_LAPLACIAN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER_LAPLACIAN,GstGLFilterLaplacianClass))
-
-typedef struct _GstGLFilterLaplacian GstGLFilterLaplacian;
-typedef struct _GstGLFilterLaplacianClass GstGLFilterLaplacianClass;
-
-struct _GstGLFilterLaplacian
-{
- GstGLFilter filter;
- GstGLShader *shader;
-};
-
-struct _GstGLFilterLaplacianClass
-{
- GstGLFilterClass filter_class;
-};
-
-GType gst_gl_filter_laplacian_get_type (void);
-
-G_END_DECLS
-
-#endif /* _GST_GLFILTERLAPLACIAN_H_ */
#if GST_GL_HAVE_OPENGL
#include "gstgltestsrc.h"
-#include "gstglfilterlaplacian.h"
#include "gstglfilterglass.h"
/* #include "gstglfilterreflectedscreen.h" */
#include "gstgldeinterlace.h"
return FALSE;
}
- if (!gst_element_register (plugin, "glfilterlaplacian",
- GST_RANK_NONE, GST_TYPE_GL_FILTER_LAPLACIAN)) {
- return FALSE;
- }
-
if (!gst_element_register (plugin, "glfilterglass",
GST_RANK_NONE, GST_TYPE_GL_FILTER_GLASS)) {
return FALSE;
projects / platform / upstream / gst-plugins-bad.git / commitdiff