mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-19 23:06:49 +00:00
gl: enable gldeinterlace on OpenGL ES
1.Porting the exist deinterlace shader and OpenGL callback to be compatible with OpenGL ES. 2.Add a our blur vertical shader to gldeinterlace. 3.Add a property named “method” to let user choose which deinterlace function to use. Default to choose blur vertical method for better performance. [Matthew Waters]: fix name of greedyh in method property (was greedhy) and port to git master. https://bugzilla.gnome.org/show_bug.cgi?id=764873
This commit is contained in:
Haihua Hu
Tim-Philipp Müller
parent
1066b2a860
commit
0d1a65e86b
4 changed files with 276 additions and 92 deletions
|
|
@ -40,6 +40,7 @@ libgstopengl_la_SOURCES = \
|
|||
gstglfilterapp.c \
|
||||
gstglviewconvert.c \
|
||||
gstglstereosplit.c \
|
||||
gstgldeinterlace.c \
|
||||
gstglstereomix.c \
|
||||
gltestsrc.c \
|
||||
gstgltestsrc.c
|
||||
|
|
@ -65,6 +66,7 @@ noinst_HEADERS = \
|
|||
gstglfilterapp.h \
|
||||
gstglstereosplit.h \
|
||||
gstglstereomix.h \
|
||||
gstgldeinterlace.h \
|
||||
gstglviewconvert.h \
|
||||
gltestsrc.h \
|
||||
gstgltestsrc.h
|
||||
|
|
@ -73,12 +75,10 @@ noinst_HEADERS = \
|
|||
if USE_OPENGL
|
||||
libgstopengl_la_SOURCES += \
|
||||
gstglfilterglass.c \
|
||||
gstgldeinterlace.c \
|
||||
gstglmosaic.c
|
||||
|
||||
noinst_HEADERS += \
|
||||
gstglfilterglass.h \
|
||||
gstgldeinterlace.h \
|
||||
gstglmosaic.h \
|
||||
effects/gstgleffectscurves.h \
|
||||
effects/gstgleffectlumatocurve.h
|
||||
|
|
|
|||
|
|
@ -43,7 +43,8 @@ GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
|
|||
|
||||
enum
|
||||
{
|
||||
PROP_0
|
||||
PROP_0,
|
||||
PROP_METHOD
|
||||
};
|
||||
|
||||
#define DEBUG_INIT \
|
||||
|
|
@ -57,17 +58,23 @@ static void gst_gl_deinterlace_set_property (GObject * object,
|
|||
static void gst_gl_deinterlace_get_property (GObject * object,
|
||||
guint prop_id, GValue * value, GParamSpec * pspec);
|
||||
|
||||
static gboolean gst_gl_deinterlace_start (GstBaseTransform * trans);
|
||||
static gboolean gst_gl_deinterlace_reset (GstBaseTransform * trans);
|
||||
static gboolean gst_gl_deinterlace_init_shader (GstGLFilter * filter);
|
||||
static gboolean gst_gl_deinterlace_init_fbo (GstGLFilter * filter);
|
||||
static gboolean gst_gl_deinterlace_filter (GstGLFilter * filter,
|
||||
GstBuffer * inbuf, GstBuffer * outbuf);
|
||||
static gboolean gst_gl_deinterlace_filter_texture (GstGLFilter * filter,
|
||||
guint in_tex, guint out_tex);
|
||||
static void gst_gl_deinterlace_callback (gint width, gint height,
|
||||
static void gst_gl_deinterlace_vfir_callback (gint width, gint height,
|
||||
guint texture, gpointer stuff);
|
||||
static void gst_gl_deinterlace_greedyh_callback (gint width, gint height,
|
||||
guint texture, gpointer stuff);
|
||||
|
||||
/* *INDENT-OFF* */
|
||||
static const gchar *greedyh_fragment_source =
|
||||
"#ifdef GL_ES\n"
|
||||
"precision mediump float;\n"
|
||||
"#endif\n"
|
||||
"uniform sampler2D tex;\n"
|
||||
"uniform sampler2D tex_prev;\n"
|
||||
"uniform float max_comb;\n"
|
||||
|
|
@ -75,35 +82,35 @@ static const gchar *greedyh_fragment_source =
|
|||
"uniform float motion_sense;\n"
|
||||
"uniform float width;\n"
|
||||
"uniform float height;\n"
|
||||
"varying vec2 v_texcoord;\n"
|
||||
|
||||
"void main () {\n"
|
||||
" vec2 texcoord = gl_TexCoord[0].xy;\n"
|
||||
" if (int(mod(texcoord.y * height, 2.0)) == 0) {\n"
|
||||
" gl_FragColor = vec4(texture2D(tex_prev, texcoord).rgb, 1.0);\n"
|
||||
" if (int(mod(v_texcoord.y * height, 2.0)) == 0) {\n"
|
||||
" gl_FragColor = vec4(texture2D(tex_prev, v_texcoord).rgb, 1.0);\n"
|
||||
" } else {\n"
|
||||
" vec2 texcoord_L1_a1, texcoord_L3_a1, texcoord_L1, texcoord_L3, texcoord_L1_1, texcoord_L3_1;\n"
|
||||
" vec3 L1_a1, L3_a1, L1, L3, L1_1, L3_1;\n"
|
||||
|
||||
" texcoord_L1 = vec2(texcoord.x, texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3 = vec2(texcoord.x, texcoord.y + 1.0 / height);\n"
|
||||
" texcoord_L1 = vec2(v_texcoord.x, v_texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3 = vec2(v_texcoord.x, v_texcoord.y + 1.0 / height);\n"
|
||||
" L1 = texture2D(tex_prev, texcoord_L1).rgb;\n"
|
||||
" L3 = texture2D(tex_prev, texcoord_L3).rgb;\n"
|
||||
" if (texcoord.x == 1.0 && texcoord.y == 1.0) {\n"
|
||||
" if (v_texcoord.x == 1.0 && v_texcoord.y == 1.0) {\n"
|
||||
" L1_1 = L1;\n"
|
||||
" L3_1 = L3;\n"
|
||||
" } else {\n"
|
||||
" texcoord_L1_1 = vec2(texcoord.x + 1.0 / width, texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3_1 = vec2(texcoord.x + 1.0 / width, texcoord.y + 1.0 / height);\n"
|
||||
" texcoord_L1_1 = vec2(v_texcoord.x + 1.0 / width, v_texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3_1 = vec2(v_texcoord.x + 1.0 / width, v_texcoord.y + 1.0 / height);\n"
|
||||
" L1_1 = texture2D(tex_prev, texcoord_L1_1).rgb;\n"
|
||||
" L3_1 = texture2D(tex_prev, texcoord_L3_1).rgb;\n"
|
||||
" }\n"
|
||||
|
||||
" if (int(ceil(texcoord.x + texcoord.y)) == 0) {\n"
|
||||
" if (int(ceil(v_texcoord.x + v_texcoord.y)) == 0) {\n"
|
||||
" L1_a1 = L1;\n"
|
||||
" L3_a1 = L3;\n"
|
||||
" } else {\n"
|
||||
" texcoord_L1_a1 = vec2(texcoord.x - 1.0 / width, texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3_a1 = vec2(texcoord.x - 1.0 / width, texcoord.y + 1.0 / height);\n"
|
||||
" texcoord_L1_a1 = vec2(v_texcoord.x - 1.0 / width, v_texcoord.y - 1.0 / height);\n"
|
||||
" texcoord_L3_a1 = vec2(v_texcoord.x - 1.0 / width, v_texcoord.y + 1.0 / height);\n"
|
||||
" L1_a1 = texture2D(tex_prev, texcoord_L1_a1).rgb;\n"
|
||||
" L3_a1 = texture2D(tex_prev, texcoord_L3_a1).rgb;\n"
|
||||
" }\n"
|
||||
|
|
@ -113,8 +120,8 @@ static const gchar *greedyh_fragment_source =
|
|||
" vec3 avg_1 = (L1_1 + L3_1) / 2.0;\n"
|
||||
" vec3 avg_s = (avg_a1 + avg_1) / 2.0;\n"
|
||||
" vec3 avg_sc = (avg_s + avg) / 2.0;\n"
|
||||
" vec3 L2 = texture2D(tex, texcoord).rgb;\n"
|
||||
" vec3 LP2 = texture2D(tex_prev, texcoord).rgb;\n"
|
||||
" vec3 L2 = texture2D(tex, v_texcoord).rgb;\n"
|
||||
" vec3 LP2 = texture2D(tex_prev, v_texcoord).rgb;\n"
|
||||
" vec3 best;\n"
|
||||
" if (abs(L2.r - avg_sc.r) < abs(LP2.r - avg_sc.r)) {\n"
|
||||
" best.r = L2.r;\n" " } else {\n"
|
||||
|
|
@ -144,8 +151,87 @@ static const gchar *greedyh_fragment_source =
|
|||
" gl_FragColor = vec4(last, 1.0);\n"
|
||||
" }\n"
|
||||
"}\n";
|
||||
|
||||
const gchar *vfir_fragment_source =
|
||||
"#ifdef GL_ES\n"
|
||||
"precision mediump float;\n"
|
||||
"#endif\n"
|
||||
"uniform sampler2D tex;\n"
|
||||
"uniform float width;\n"
|
||||
"uniform float height;\n"
|
||||
"varying vec2 v_texcoord;\n"
|
||||
"void main()\n"
|
||||
"{\n"
|
||||
" vec2 topcoord, botcoord;\n"
|
||||
" vec4 cur_color, top_color, bot_color;\n"
|
||||
" topcoord.x = v_texcoord.x;\n"
|
||||
" botcoord.x = v_texcoord.x;\n"
|
||||
" if (v_texcoord.y == 0.0 || v_texcoord.y == 1.0) {\n"
|
||||
" topcoord.y = v_texcoord.y ;\n"
|
||||
" botcoord.y = v_texcoord.y ;\n"
|
||||
" }\n"
|
||||
" else {\n"
|
||||
" topcoord.y = v_texcoord.y - 1.0/height;\n"
|
||||
" botcoord.y = v_texcoord.y + 1.0/height;\n"
|
||||
" }\n"
|
||||
" cur_color = texture2D(tex, v_texcoord);\n"
|
||||
" top_color = texture2D(tex, topcoord);\n"
|
||||
" bot_color = texture2D(tex, botcoord);\n"
|
||||
" gl_FragColor = 0.5*cur_color + 0.25*top_color + 0.25*bot_color;\n"
|
||||
"}";
|
||||
/* *INDENT-ON* */
|
||||
|
||||
/* dont' forget to edit the following when a new method is added */
|
||||
typedef enum
|
||||
{
|
||||
GST_GL_DEINTERLACE_VFIR,
|
||||
GST_GL_DEINTERLACE_GREEDYH
|
||||
} GstGLDeinterlaceMethod;
|
||||
|
||||
static const GEnumValue *
|
||||
gst_gl_deinterlace_get_methods (void)
|
||||
{
|
||||
static const GEnumValue method_types[] = {
|
||||
{GST_GL_DEINTERLACE_VFIR, "Blur Vertical", "vfir"},
|
||||
{GST_GL_DEINTERLACE_GREEDYH, "Motion Adaptive: Advanced Detection",
|
||||
"greedyh"},
|
||||
{0, NULL, NULL}
|
||||
};
|
||||
return method_types;
|
||||
}
|
||||
|
||||
#define GST_TYPE_GL_DEINTERLACE_METHODS (gst_gl_deinterlace_method_get_type ())
|
||||
static GType
|
||||
gst_gl_deinterlace_method_get_type (void)
|
||||
{
|
||||
static GType gl_deinterlace_method_type = 0;
|
||||
if (!gl_deinterlace_method_type) {
|
||||
gl_deinterlace_method_type =
|
||||
g_enum_register_static ("GstGLDeinterlaceMethod",
|
||||
gst_gl_deinterlace_get_methods ());
|
||||
}
|
||||
return gl_deinterlace_method_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_set_method (GstGLDeinterlace * deinterlace,
|
||||
guint method_types)
|
||||
{
|
||||
switch (method_types) {
|
||||
case GST_GL_DEINTERLACE_VFIR:
|
||||
deinterlace->deinterlacefunc = gst_gl_deinterlace_vfir_callback;
|
||||
deinterlace->current_method = method_types;
|
||||
break;
|
||||
case GST_GL_DEINTERLACE_GREEDYH:
|
||||
deinterlace->deinterlacefunc = gst_gl_deinterlace_greedyh_callback;
|
||||
deinterlace->current_method = method_types;
|
||||
break;
|
||||
default:
|
||||
g_assert_not_reached ();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_class_init (GstGLDeinterlaceClass * klass)
|
||||
{
|
||||
|
|
@ -163,24 +249,59 @@ gst_gl_deinterlace_class_init (GstGLDeinterlaceClass * klass)
|
|||
"Deinterlacing based on fragment shaders",
|
||||
"Julien Isorce <julien.isorce@mail.com>");
|
||||
|
||||
g_object_class_install_property (gobject_class,
|
||||
PROP_METHOD,
|
||||
g_param_spec_enum ("method",
|
||||
"Deinterlace Method",
|
||||
"Select which deinterlace method apply to GL video texture",
|
||||
GST_TYPE_GL_DEINTERLACE_METHODS,
|
||||
GST_GL_DEINTERLACE_VFIR, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
GST_BASE_TRANSFORM_CLASS (klass)->start = gst_gl_deinterlace_start;
|
||||
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_deinterlace_reset;
|
||||
|
||||
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_deinterlace_filter;
|
||||
GST_GL_FILTER_CLASS (klass)->filter_texture =
|
||||
gst_gl_deinterlace_filter_texture;
|
||||
GST_GL_FILTER_CLASS (klass)->init_fbo = gst_gl_deinterlace_init_shader;
|
||||
GST_GL_FILTER_CLASS (klass)->init_fbo = gst_gl_deinterlace_init_fbo;
|
||||
|
||||
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL;
|
||||
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api =
|
||||
GST_GL_API_OPENGL | GST_GL_API_GLES2 | GST_GL_API_OPENGL3;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_init (GstGLDeinterlace * filter)
|
||||
{
|
||||
filter->shader = NULL;
|
||||
filter->shaderstable = NULL;
|
||||
filter->deinterlacefunc = gst_gl_deinterlace_vfir_callback;
|
||||
filter->current_method = GST_GL_DEINTERLACE_VFIR;
|
||||
filter->prev_buffer = NULL;
|
||||
filter->prev_tex = 0;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_gl_deinterlace_start (GstBaseTransform * trans)
|
||||
{
|
||||
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (trans);
|
||||
|
||||
deinterlace_filter->shaderstable = g_hash_table_new (g_str_hash, g_str_equal);
|
||||
|
||||
return GST_BASE_TRANSFORM_CLASS (parent_class)->start (trans);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_ghash_func_clean (gpointer key, gpointer value,
|
||||
gpointer data)
|
||||
{
|
||||
GstGLShader *shader = (GstGLShader *) value;
|
||||
GstGLFilter *filter = (GstGLFilter *) data;
|
||||
|
||||
//blocking call, wait the opengl thread has destroyed the shader
|
||||
gst_gl_context_del_shader (GST_GL_BASE_FILTER (filter)->context, shader);
|
||||
|
||||
value = NULL;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_gl_deinterlace_reset (GstBaseTransform * trans)
|
||||
{
|
||||
|
|
@ -189,10 +310,17 @@ gst_gl_deinterlace_reset (GstBaseTransform * trans)
|
|||
gst_buffer_replace (&deinterlace_filter->prev_buffer, NULL);
|
||||
|
||||
//blocking call, wait the opengl thread has destroyed the shader
|
||||
if (deinterlace_filter->shader)
|
||||
gst_gl_context_del_shader (GST_GL_BASE_FILTER (trans)->context,
|
||||
deinterlace_filter->shader);
|
||||
deinterlace_filter->shader = NULL;
|
||||
if (deinterlace_filter->shaderstable) {
|
||||
/* release shaders in the gl thread */
|
||||
g_hash_table_foreach (deinterlace_filter->shaderstable,
|
||||
gst_gl_deinterlace_ghash_func_clean, deinterlace_filter);
|
||||
|
||||
/* clean the htable without calling values destructors
|
||||
* because shaders have been released in the glthread
|
||||
* through the foreach func */
|
||||
g_hash_table_unref (deinterlace_filter->shaderstable);
|
||||
deinterlace_filter->shaderstable = NULL;
|
||||
}
|
||||
|
||||
return GST_BASE_TRANSFORM_CLASS (parent_class)->stop (trans);
|
||||
}
|
||||
|
|
@ -201,9 +329,12 @@ static void
|
|||
gst_gl_deinterlace_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
//GstGLDeinterlace *filter = GST_GL_DEINTERLACE (object);
|
||||
GstGLDeinterlace *filter = GST_GL_DEINTERLACE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_METHOD:
|
||||
gst_gl_deinterlace_set_method (filter, g_value_get_enum (value));
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -214,9 +345,12 @@ static void
|
|||
gst_gl_deinterlace_get_property (GObject * object, guint prop_id,
|
||||
GValue * value, GParamSpec * pspec)
|
||||
{
|
||||
//GstGLDeinterlace *filter = GST_GL_DEINTERLACE (object);
|
||||
GstGLDeinterlace *filter = GST_GL_DEINTERLACE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
case PROP_METHOD:
|
||||
g_value_set_enum (value, filter->current_method);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -224,13 +358,9 @@ gst_gl_deinterlace_get_property (GObject * object, guint prop_id,
|
|||
}
|
||||
|
||||
static gboolean
|
||||
gst_gl_deinterlace_init_shader (GstGLFilter * filter)
|
||||
gst_gl_deinterlace_init_fbo (GstGLFilter * filter)
|
||||
{
|
||||
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
|
||||
|
||||
//blocking call, wait the opengl thread has compiled the shader
|
||||
return gst_gl_context_gen_shader (GST_GL_BASE_FILTER (filter)->context, 0,
|
||||
greedyh_fragment_source, &deinterlace_filter->shader);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
|
@ -241,7 +371,7 @@ gst_gl_deinterlace_filter_texture (GstGLFilter * filter, guint in_tex,
|
|||
|
||||
//blocking call, use a FBO
|
||||
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
|
||||
gst_gl_deinterlace_callback, deinterlace_filter);
|
||||
deinterlace_filter->deinterlacefunc, deinterlace_filter);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
|
@ -259,36 +389,103 @@ gst_gl_deinterlace_filter (GstGLFilter * filter, GstBuffer * inbuf,
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
//opengl scene, params: input texture (not the output filter->texture)
|
||||
static GstGLShader *
|
||||
gst_gl_deinterlace_get_fragment_shader (GstGLFilter * filter,
|
||||
const gchar * shader_name, const gchar * shader_source)
|
||||
{
|
||||
GstGLShader *shader = NULL;
|
||||
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
|
||||
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
|
||||
|
||||
shader = g_hash_table_lookup (deinterlace_filter->shaderstable, shader_name);
|
||||
|
||||
if (!shader) {
|
||||
GError *error = NULL;
|
||||
|
||||
if (!(shader = gst_gl_shader_new_link_with_stages (context, &error,
|
||||
gst_glsl_stage_new_default_vertex (context),
|
||||
gst_glsl_stage_new_with_string (context, GL_FRAGMENT_SHADER,
|
||||
GST_GLSL_VERSION_NONE,
|
||||
GST_GLSL_PROFILE_ES | GST_GLSL_PROFILE_COMPATIBILITY,
|
||||
shader_source), NULL))) {
|
||||
GST_ELEMENT_ERROR (deinterlace_filter, RESOURCE, NOT_FOUND,
|
||||
("Failed to initialize %s shader", shader_name), (NULL));
|
||||
}
|
||||
|
||||
filter->draw_attr_position_loc =
|
||||
gst_gl_shader_get_attribute_location (shader, "a_position");
|
||||
filter->draw_attr_texture_loc =
|
||||
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
|
||||
}
|
||||
|
||||
g_hash_table_insert (deinterlace_filter->shaderstable, (gchar *) shader_name,
|
||||
shader);
|
||||
|
||||
return shader;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_callback (gint width, gint height, guint texture,
|
||||
gst_gl_deinterlace_vfir_callback (gint width, gint height, guint texture,
|
||||
gpointer stuff)
|
||||
{
|
||||
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (stuff);
|
||||
GstGLShader *shader;
|
||||
GstGLFilter *filter = GST_GL_FILTER (stuff);
|
||||
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
|
||||
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
|
||||
GstGLFuncs *gl = context->gl_vtable;
|
||||
|
||||
shader = gst_gl_deinterlace_get_fragment_shader (filter, "vfir",
|
||||
vfir_fragment_source);
|
||||
|
||||
if (!shader)
|
||||
return;
|
||||
|
||||
#if GST_GL_HAVE_OPENGL
|
||||
if (USING_OPENGL (context)) {
|
||||
gl->MatrixMode (GL_PROJECTION);
|
||||
gl->LoadIdentity ();
|
||||
}
|
||||
#endif
|
||||
|
||||
gst_gl_shader_use (shader);
|
||||
|
||||
gl->ActiveTexture (GL_TEXTURE0);
|
||||
gl->BindTexture (GL_TEXTURE_2D, texture);
|
||||
|
||||
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
|
||||
gst_gl_shader_set_uniform_1f (shader, "width",
|
||||
GST_VIDEO_INFO_WIDTH (&filter->out_info));
|
||||
gst_gl_shader_set_uniform_1f (shader, "height",
|
||||
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
|
||||
|
||||
gst_gl_filter_draw_texture (filter, texture, width, height);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_deinterlace_greedyh_callback (gint width, gint height, guint texture,
|
||||
gpointer stuff)
|
||||
{
|
||||
GstGLShader *shader;
|
||||
GstGLFilter *filter = GST_GL_FILTER (stuff);
|
||||
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
|
||||
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
|
||||
GstGLFuncs *gl = context->gl_vtable;
|
||||
guint temp;
|
||||
|
||||
GLfloat verts[] = { -1.0, -1.0,
|
||||
1.0, -1.0,
|
||||
1.0, 1.0,
|
||||
-1.0, 1.0
|
||||
};
|
||||
GLfloat texcoords0[] = { 0.0f, 0.0f,
|
||||
1.0f, 0.0f,
|
||||
1.0f, 1.0f,
|
||||
0.0f, 1.0f
|
||||
};
|
||||
GLfloat texcoords1[] = { 0.0f, 0.0f,
|
||||
1.0f, 0.0f,
|
||||
1.0f, 1.0f,
|
||||
0.0f, 1.0f
|
||||
};
|
||||
shader =
|
||||
gst_gl_deinterlace_get_fragment_shader (filter, "greedhy",
|
||||
greedyh_fragment_source);
|
||||
|
||||
gl->MatrixMode (GL_PROJECTION);
|
||||
gl->LoadIdentity ();
|
||||
if (!shader)
|
||||
return;
|
||||
|
||||
gst_gl_shader_use (deinterlace_filter->shader);
|
||||
#if GST_GL_HAVE_OPENGL
|
||||
if (USING_OPENGL (context)) {
|
||||
gl->MatrixMode (GL_PROJECTION);
|
||||
gl->LoadIdentity ();
|
||||
}
|
||||
#endif
|
||||
|
||||
gst_gl_shader_use (shader);
|
||||
|
||||
if (G_UNLIKELY (deinterlace_filter->prev_tex == 0)) {
|
||||
gst_gl_context_gen_texture (GST_GL_BASE_FILTER (filter)->context,
|
||||
|
|
@ -298,44 +495,24 @@ gst_gl_deinterlace_callback (gint width, gint height, guint texture,
|
|||
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
|
||||
} else {
|
||||
gl->ActiveTexture (GL_TEXTURE1);
|
||||
gst_gl_shader_set_uniform_1i (deinterlace_filter->shader, "tex_prev", 1);
|
||||
gst_gl_shader_set_uniform_1i (shader, "tex_prev", 1);
|
||||
gl->BindTexture (GL_TEXTURE_2D, deinterlace_filter->prev_tex);
|
||||
}
|
||||
|
||||
gl->ActiveTexture (GL_TEXTURE0);
|
||||
gst_gl_shader_set_uniform_1i (deinterlace_filter->shader, "tex", 0);
|
||||
gl->BindTexture (GL_TEXTURE_2D, texture);
|
||||
|
||||
gst_gl_shader_set_uniform_1f (deinterlace_filter->shader, "max_comb",
|
||||
5.0f / 255.0f);
|
||||
gst_gl_shader_set_uniform_1f (deinterlace_filter->shader, "motion_threshold",
|
||||
25.0f / 255.0f);
|
||||
gst_gl_shader_set_uniform_1f (deinterlace_filter->shader, "motion_sense",
|
||||
30.0f / 255.0f);
|
||||
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
|
||||
gst_gl_shader_set_uniform_1f (shader, "max_comb", 5.0f / 255.0f);
|
||||
gst_gl_shader_set_uniform_1f (shader, "motion_threshold", 25.0f / 255.0f);
|
||||
gst_gl_shader_set_uniform_1f (shader, "motion_sense", 30.0f / 255.0f);
|
||||
|
||||
gst_gl_shader_set_uniform_1f (deinterlace_filter->shader, "width",
|
||||
gst_gl_shader_set_uniform_1f (shader, "width",
|
||||
GST_VIDEO_INFO_WIDTH (&filter->out_info));
|
||||
gst_gl_shader_set_uniform_1f (deinterlace_filter->shader, "height",
|
||||
gst_gl_shader_set_uniform_1f (shader, "height",
|
||||
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
|
||||
|
||||
gl->ClientActiveTexture (GL_TEXTURE0);
|
||||
|
||||
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
|
||||
gl->EnableClientState (GL_VERTEX_ARRAY);
|
||||
|
||||
gl->VertexPointer (2, GL_FLOAT, 0, &verts);
|
||||
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords0);
|
||||
|
||||
gl->ClientActiveTexture (GL_TEXTURE1);
|
||||
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
|
||||
gl->TexCoordPointer (2, GL_FLOAT, 0, &texcoords1);
|
||||
|
||||
gl->DrawArrays (GL_TRIANGLE_FAN, 0, 4);
|
||||
|
||||
gl->DisableClientState (GL_VERTEX_ARRAY);
|
||||
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
|
||||
|
||||
gl->ClientActiveTexture (GL_TEXTURE0);
|
||||
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);
|
||||
gst_gl_filter_draw_texture (filter, texture, width, height);
|
||||
|
||||
if (texture == filter->in_tex_id) {
|
||||
temp = filter->in_tex_id;
|
||||
|
|
|
|||
|
|
@ -32,15 +32,21 @@ G_BEGIN_DECLS
|
|||
#define GST_IS_GL_DEINTERLACE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_DEINTERLACE))
|
||||
#define GST_GL_DEINTERLACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_DEINTERLACE,GstGLDeinterlaceClass))
|
||||
|
||||
#define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
|
||||
|
||||
typedef struct _GstGLDeinterlace GstGLDeinterlace;
|
||||
typedef struct _GstGLDeinterlaceClass GstGLDeinterlaceClass;
|
||||
|
||||
struct _GstGLDeinterlace
|
||||
{
|
||||
GstGLFilter filter;
|
||||
GstGLShader *shader;
|
||||
|
||||
GLCB deinterlacefunc;
|
||||
GHashTable *shaderstable;
|
||||
GstBuffer *prev_buffer;
|
||||
guint prev_tex;
|
||||
|
||||
gint current_method;
|
||||
};
|
||||
|
||||
struct _GstGLDeinterlaceClass
|
||||
|
|
|
|||
|
|
@ -63,6 +63,7 @@
|
|||
#include "gstglstereomix.h"
|
||||
#include "gstglviewconvert.h"
|
||||
#include "gstgltestsrc.h"
|
||||
#include "gstgldeinterlace.h"
|
||||
|
||||
#if HAVE_GRAPHENE
|
||||
#include "gstgltransformation.h"
|
||||
|
|
@ -77,7 +78,6 @@
|
|||
#if GST_GL_HAVE_OPENGL
|
||||
#include "gstglfilterglass.h"
|
||||
/* #include "gstglfilterreflectedscreen.h" */
|
||||
#include "gstgldeinterlace.h"
|
||||
#include "gstglmosaic.h"
|
||||
#if HAVE_PNG
|
||||
#include "gstgldifferencematte.h"
|
||||
|
|
@ -231,6 +231,12 @@ plugin_init (GstPlugin * plugin)
|
|||
GST_RANK_NONE, GST_TYPE_GL_TEST_SRC)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (!gst_element_register (plugin, "gldeinterlace",
|
||||
GST_RANK_NONE, GST_TYPE_GL_DEINTERLACE)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
#if HAVE_JPEG
|
||||
#if HAVE_PNG
|
||||
if (!gst_element_register (plugin, "gloverlay",
|
||||
|
|
@ -250,11 +256,6 @@ plugin_init (GstPlugin * plugin)
|
|||
return FALSE;
|
||||
}
|
||||
#endif
|
||||
if (!gst_element_register (plugin, "gldeinterlace",
|
||||
GST_RANK_NONE, GST_TYPE_GL_DEINTERLACE)) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (!gst_element_register (plugin, "glmosaic",
|
||||
GST_RANK_NONE, GST_TYPE_GL_MOSAIC)) {
|
||||
return FALSE;
|
||||
|
|
|
|||
Loading…
Reference in a new issue