static void
gst_gl_deinterlace_class_init (GstGLDeinterlaceClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_deinterlace_set_property;
gobject_class->get_property = gst_gl_deinterlace_get_property;
gst_element_class_set_metadata (element_class,
"OpenGL deinterlacing filter", "Deinterlace",
"Deinterlacing based on fragment shaders",
"Julien Isorce <*****@*****.**>");
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_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL;
}
static void
gst_gl_overlay_class_init (GstGLOverlayClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_overlay_set_property;
gobject_class->get_property = gst_gl_overlay_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_overlay_filter;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_overlay_init_gl_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_overlay_reset_gl_resources;
GST_GL_FILTER_CLASS (klass)->onStart = gst_gl_overlay_init_resources;
GST_GL_FILTER_CLASS (klass)->onStop = gst_gl_overlay_reset_resources;
g_object_class_install_property (gobject_class,
PROP_LOCATION,
g_param_spec_string ("location",
"Location of the image",
"Location of the image", NULL, G_PARAM_READWRITE));
/*
g_object_class_install_property (gobject_class,
PROP_STRETCH,
g_param_spec_boolean ("stretch",
"Stretch the image to texture size",
"Stretch the image to fit video texture size",
TRUE, G_PARAM_READWRITE));
*/
}
static void
gst_gl_differencematte_class_init (GstGLDifferenceMatteClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_differencematte_set_property;
gobject_class->get_property = gst_gl_differencematte_get_property;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_differencematte_filter_texture;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_differencematte_init_gl_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_differencematte_reset_gl_resources;
g_object_class_install_property (gobject_class,
PROP_LOCATION,
g_param_spec_string ("location",
"Background image location",
"Background image location", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"Gstreamer OpenGL DifferenceMatte", "Filter/Effect/Video",
"Saves a background frame and replace it with a pixbuf",
"Filippo Argiolas <*****@*****.**>");
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api =
GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2;
}
static void
gst_vr_compositor_class_init (GstVRCompositorClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstBaseTransformClass *base_transform_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
base_transform_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class->set_property = gst_vr_compositor_set_property;
gobject_class->get_property = gst_vr_compositor_get_property;
base_transform_class->src_event = gst_vr_compositor_src_event;
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
GST_GL_FILTER_CLASS (klass)->init_fbo = gst_vr_compositor_init_scene;
// GST_GL_FILTER_CLASS (klass)->display_reset_cb = gst_vr_compositor_reset_gl;
GST_GL_FILTER_CLASS (klass)->set_caps = gst_vr_compositor_set_caps;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_vr_compositor_filter_texture;
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_vr_compositor_stop;
gst_element_class_set_metadata (element_class, "VR compositor",
"Filter/Effect/Video", "Transform video for VR",
"Lubosz Sarnecki <*****@*****.**>\n");
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL3;
}
static void
gst_gl_bumper_class_init (GstGLBumperClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_bumper_set_property;
gobject_class->get_property = gst_gl_bumper_get_property;
GST_GL_FILTER_CLASS (klass)->filter_texture = gst_gl_bumper_filter_texture;
GST_GL_FILTER_CLASS (klass)->display_init_cb = gst_gl_bumper_init_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb = gst_gl_bumper_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_bumper_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_bumper_reset;
g_object_class_install_property (gobject_class,
PROP_LOCATION, g_param_spec_string ("location",
"Normal map location",
"Normal map location", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class, "OpenGL bumper filter",
"Filter/Effect/Video", "Bump mapping filter",
"Cyril Comparon <*****@*****.**>, "
"Julien Isorce <*****@*****.**>");
}
static void
gst_gl_filter_cube_class_init (GstGLFilterCubeClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_filter_cube_set_property;
gobject_class->get_property = gst_gl_filter_cube_get_property;
GST_GL_BASE_FILTER_CLASS (klass)->gl_start = gst_gl_filter_cube_gl_start;
GST_GL_BASE_FILTER_CLASS (klass)->gl_stop = gst_gl_filter_cube_gl_stop;
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_filter_cube_set_caps;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_filter_cube_filter_texture;
g_object_class_install_property (gobject_class, PROP_RED,
g_param_spec_float ("red", "Red", "Background red color",
0.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_GREEN,
g_param_spec_float ("green", "Green", "Background green color",
0.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_BLUE,
g_param_spec_float ("blue", "Blue", "Background blue color",
0.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FOVY,
g_param_spec_double ("fovy", "Fovy", "Field of view angle in degrees",
0.0, 180.0, 45.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ASPECT,
g_param_spec_double ("aspect", "Aspect",
"Field of view in the x direction", 0.0, 100, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ZNEAR,
g_param_spec_double ("znear", "Znear",
"Specifies the distance from the viewer to the near clipping plane",
0.0, 100.0, 0.1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ZFAR,
g_param_spec_double ("zfar", "Zfar",
"Specifies the distance from the viewer to the far clipping plane",
0.0, 1000.0, 100.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class, "OpenGL cube filter",
"Filter/Effect/Video", "Map input texture on the 6 cube faces",
"Julien Isorce <*****@*****.**>");
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_filter_glass_class_init (GstGLFilterGlassClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filter_glass_set_property;
gobject_class->get_property = gst_gl_filter_glass_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filter_glass_filter;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filter_glass_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_glass_reset;
}
static void
gst_gl_deinterlace_class_init (GstGLDeinterlaceClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_deinterlace_set_property;
gobject_class->get_property = gst_gl_deinterlace_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_deinterlace_filter;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_deinterlace_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_deinterlace_reset;
}
static void
gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstGLFilterClass *filter_class;
GstBaseTransformClass *basetransform_class = GST_BASE_TRANSFORM_CLASS (klass);
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
filter_class = GST_GL_FILTER_CLASS (klass);
gobject_class->set_property = gst_gl_colorscale_set_property;
gobject_class->get_property = gst_gl_colorscale_get_property;
gst_element_class_set_metadata (element_class, "OpenGL color scale",
"Filter/Effect/Video", "Colorspace converter and video scaler",
"Julien Isorce <*****@*****.**>");
filter_class->init_fbo =
GST_DEBUG_FUNCPTR (gst_gl_colorscale_gen_gl_resources);
filter_class->filter_texture = gst_gl_colorscale_filter_texture;
basetransform_class->stop =
GST_DEBUG_FUNCPTR (gst_gl_colorscale_del_gl_resources);
basetransform_class->passthrough_on_same_caps = TRUE;
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api =
GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2;
}
static void
gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
GstGLFilterClass *filter_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
filter_class = GST_GL_FILTER_CLASS (klass);
gobject_class->set_property = gst_gl_colorscale_set_property;
gobject_class->get_property = gst_gl_colorscale_get_property;
gst_element_class_set_metadata (element_class, "OpenGL color scale",
"Filter/Effect/Video", "Colorspace converter and video scaler",
"Julien Isorce <*****@*****.**>");
#if GST_GL_HAVE_GLES2
filter_class->onInitFBO =
GST_DEBUG_FUNCPTR (gst_gl_colorscale_gen_gl_resources);
filter_class->onStop = GST_DEBUG_FUNCPTR (gst_gl_colorscale_del_gl_resources);
#endif
filter_class->filter_texture = gst_gl_colorscale_filter_texture;
}
static void
gst_gl_filterblur_class_init (GstGLFilterBlurClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filterblur_set_property;
gobject_class->get_property = gst_gl_filterblur_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filterblur_filter;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_filterblur_init_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_filterblur_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filterblur_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_filterblur_reset;
}
static void
gst_gl_filter_cube_class_init (GstGLFilterCubeClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_filter_cube_set_property;
gobject_class->get_property = gst_gl_filter_cube_get_property;
#ifdef OPENGL_ES2
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_filter_cube_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_filter_cube_reset;
#endif
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_filter_cube_set_caps;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filter_cube_filter;
g_object_class_install_property (gobject_class, PROP_RED,
g_param_spec_float ("red", "Red", "Background red color",
0.0f, 1.0f, 0.0f, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_GREEN,
g_param_spec_float ("green", "Green", "Background reen color",
0.0f, 1.0f, 0.0f, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_BLUE,
g_param_spec_float ("blue", "Blue", "Background blue color",
0.0f, 1.0f, 0.0f, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_FOVY,
g_param_spec_double ("fovy", "Fovy", "Field of view angle in degrees",
0.0, 180.0, 45.0, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_ASPECT,
g_param_spec_double ("aspect", "Aspect",
"Field of view in the x direction", 0.0, 100, 0.0, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_ZNEAR,
g_param_spec_double ("znear", "Znear",
"Specifies the distance from the viewer to the near clipping plane",
0.0, 100.0, 0.1, G_PARAM_WRITABLE));
g_object_class_install_property (gobject_class, PROP_ZFAR,
g_param_spec_double ("zfar", "Zfar",
"Specifies the distance from the viewer to the far clipping plane",
0.0, 1000.0, 100.0, G_PARAM_WRITABLE));
}
static void
gst_gl_filter_reflected_screen_class_init (GstGLFilterReflectedScreenClass *
klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_filter_reflected_screen_set_property;
gobject_class->get_property = gst_gl_filter_reflected_screen_get_property;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_filter_reflected_screen_filter_texture;
g_object_class_install_property (gobject_class, PROP_ACTIVE_GRAPHIC_MODE,
g_param_spec_boolean ("active-graphic-mode",
"Activate graphic mode",
"Allow user to activate stencil buffer and blending.",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SEPARATED_SCREEN,
g_param_spec_boolean ("separated-screen",
"Create a separation space",
"Allow to insert a space between the two screen. Will cancel 'show floor' if active. Value are TRUE or FALSE(default)",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SHOW_FLOOR,
g_param_spec_boolean ("show-floor",
"Show the support",
"Allow the user to show the supportive floor. Will cancel 'separated screen' if active. Value are TRUE(default) or FALSE",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FOVY,
g_param_spec_double ("fovy", "Fovy", "Field of view angle in degrees",
0.0, 180.0, 60, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ASPECT,
g_param_spec_double ("aspect", "Aspect",
"Field of view in the x direction", 1.0, 100, 1.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ZNEAR,
g_param_spec_double ("znear", "Znear",
"Specifies the distance from the viewer to the near clipping plane",
0.0000000001, 100.0, 0.1,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ZFAR,
g_param_spec_double ("zfar", "Zfar",
"Specifies the distance from the viewer to the far clipping plane",
0.0, 1000.0, 100.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"OpenGL Reflected Screen filter", "Filter/Effect/Video",
"Reflected Screen Filter", "Pierre POUZOL <*****@*****.**>");
}
static void
gst_gl_bumper_class_init (GstGLBumperClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_bumper_set_property;
gobject_class->get_property = gst_gl_bumper_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_bumper_filter;
GST_GL_FILTER_CLASS (klass)->display_init_cb = gst_gl_bumper_init_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb = gst_gl_bumper_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_bumper_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_bumper_reset;
g_object_class_install_property (gobject_class,
PROP_LOCATION, g_param_spec_string ("location",
"Normal map location",
"Normal map location", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
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)->onStart = gst_gl_effects_init_resources;
GST_GL_FILTER_CLASS (klass)->onStop = gst_gl_effects_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_effects_on_init_gl_context;
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));
g_object_class_install_property (gobject_class,
PROP_HSWAP,
g_param_spec_boolean ("hswap",
"Horizontal Swap",
"Switch video texture left to right, useful with webcams",
FALSE, G_PARAM_READWRITE));
}
static void
gst_gl_deinterlace_class_init (GstGLDeinterlaceClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
gobject_class->set_property = gst_gl_deinterlace_set_property;
gobject_class->get_property = gst_gl_deinterlace_get_property;
gst_element_class_set_metadata (element_class,
"OpenGL deinterlacing filter", "Deinterlace",
"Deinterlacing based on fragment shaders",
"Julien Isorce <*****@*****.**>");
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_fbo;
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_differencematte_class_init (GstGLDifferenceMatteClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_gl_differencematte_set_property;
gobject_class->get_property = gst_gl_differencematte_get_property;
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_differencematte_filter;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_differencematte_init_gl_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_differencematte_reset_gl_resources;
GST_GL_FILTER_CLASS (klass)->onStart = gst_gl_differencematte_init_resources;
GST_GL_FILTER_CLASS (klass)->onStop = gst_gl_differencematte_reset_resources;
g_object_class_install_property (gobject_class,
PROP_LOCATION,
g_param_spec_string ("location",
"Background image location",
"Background image location", NULL, G_PARAM_READWRITE));
}
static void
gst_gl_filter_glass_class_init (GstGLFilterGlassClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_filter_glass_set_property;
gobject_class->get_property = gst_gl_filter_glass_get_property;
gst_element_class_set_metadata (element_class, "OpenGL glass filter",
"Filter/Effect/Video", "Glass Filter",
"Julien Isorce <*****@*****.**>");
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_filter_glass_filter_texture;
GST_GL_FILTER_CLASS (klass)->init_fbo = gst_gl_filter_glass_init_shader;
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_glass_reset;
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api = GST_GL_API_OPENGL;
}
static void
gst_gl_filtersobel_class_init (GstGLFilterSobelClass * klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) 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 = gst_gl_filtersobel_filter;
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));
}
static void
gst_gl_effects_class_init (GstGLEffectsClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (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_texture = gst_gl_effects_filter_texture;
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)->onStart = gst_gl_effects_init_resources;
GST_GL_FILTER_CLASS (klass)->onStop = gst_gl_effects_reset_resources;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_effects_on_init_gl_context;
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));
g_object_class_install_property (gobject_class,
PROP_HSWAP,
g_param_spec_boolean ("hswap",
"Horizontal Swap",
"Switch video texture left to right, useful with webcams",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"Gstreamer OpenGL Effects", "Filter/Effect/Video",
"GL Shading Language effects",
"Filippo Argiolas <*****@*****.**>");
}
static void
gst_gl_transformation_class_init (GstGLTransformationClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_transformation_set_property;
gobject_class->get_property = gst_gl_transformation_get_property;
GST_GL_FILTER_CLASS (klass)->onInitFBO = gst_gl_transformation_init_shader;
GST_GL_FILTER_CLASS (klass)->onReset = gst_gl_transformation_reset;
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_transformation_set_caps;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_transformation_filter_texture;
g_object_class_install_property (gobject_class, PROP_FOVY,
g_param_spec_float ("fovy", "Fovy", "Field of view angle in degrees",
0.0, G_MAXFLOAT, 90.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ORTHO,
g_param_spec_boolean ("ortho", "Orthographic",
"Use orthographic projection", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Rotation */
g_object_class_install_property (gobject_class, PROP_ROTATION_X,
g_param_spec_float ("rotation-x", "X Rotation",
"Rotates the video around the X-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ROTATION_Y,
g_param_spec_float ("rotation-y", "Y Rotation",
"Rotates the video around the Y-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ROTATION_Z,
g_param_spec_float ("rotation-z", "Z Rotation",
"Rotates the video around the Z-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Translation */
g_object_class_install_property (gobject_class, PROP_TRANSLATION_X,
g_param_spec_float ("translation-x", "X Translation",
"Translates the video at the X-Axis.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TRANSLATION_Y,
g_param_spec_float ("translation-y", "Y Translation",
"Translates the video at the Y-Axis.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TRANSLATION_Z,
g_param_spec_float ("translation-z", "Z Translation",
"Translates the video at the Z-Axis.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Scale */
g_object_class_install_property (gobject_class, PROP_SCALE_X,
g_param_spec_float ("scale-x", "X Scale",
"Scale multiplierer for the X-Axis.",
0.0, G_MAXFLOAT, 1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SCALE_Y,
g_param_spec_float ("scale-y", "Y Scale",
"Scale multiplierer for the Y-Axis.",
0.0, G_MAXFLOAT, 1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class, "OpenGL transformation filter",
"Filter/Effect/Video", "Transform video on the GPU",
"Lubosz Sarnecki <*****@*****.**>");
}
static void
gst_gl_view_convert_element_class_init (GstGLViewConvertElementClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
gobject_class->set_property = gst_gl_view_convert_element_set_property;
gobject_class->get_property = gst_gl_view_convert_element_get_property;
gobject_class->dispose = gst_gl_view_convert_dispose;
gst_element_class_set_metadata (element_class,
"OpenGL Multiview/3D conversion filter", "Filter",
"Convert stereoscopic/multiview video formats",
"Jan Schmidt <*****@*****.**>\n"
"Matthew Waters <*****@*****.**>");
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_view_convert_element_set_caps;
GST_GL_FILTER_CLASS (klass)->transform_internal_caps =
gst_gl_view_convert_element_transform_internal_caps;
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_view_convert_element_stop;
GST_BASE_TRANSFORM_CLASS (klass)->fixate_caps =
gst_gl_view_convert_element_fixate_caps;
GST_BASE_TRANSFORM_CLASS (klass)->submit_input_buffer =
gst_gl_view_convert_element_submit_input_buffer;
GST_BASE_TRANSFORM_CLASS (klass)->generate_output =
gst_gl_view_convert_element_generate_output_buffer;
g_object_class_install_property (gobject_class, PROP_INPUT_LAYOUT,
g_param_spec_enum ("input-mode-override",
"Input Multiview Mode Override",
"Override any input information about multiview layout",
GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING,
GST_VIDEO_MULTIVIEW_MODE_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_INPUT_FLAGS,
g_param_spec_flags ("input-flags-override",
"Input Multiview Flags Override",
"Override any input information about multiview layout flags",
GST_TYPE_VIDEO_MULTIVIEW_FLAGS, GST_VIDEO_MULTIVIEW_FLAGS_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OUTPUT_LAYOUT,
g_param_spec_enum ("output-mode-override",
"Output Multiview Mode Override",
"Override automatic output mode selection for multiview layout",
GST_TYPE_VIDEO_MULTIVIEW_MODE, GST_VIDEO_MULTIVIEW_MODE_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OUTPUT_FLAGS,
g_param_spec_flags ("output-flags-override",
"Output Multiview Flags Override",
"Override automatic negotiation for output multiview layout flags",
GST_TYPE_VIDEO_MULTIVIEW_FLAGS, GST_VIDEO_MULTIVIEW_FLAGS_NONE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_OUTPUT_DOWNMIX_MODE,
g_param_spec_enum ("downmix-mode", "Mode for mono downmixed output",
"Output anaglyph type to generate when downmixing to mono",
GST_TYPE_GL_STEREO_DOWNMIX_MODE_TYPE, DEFAULT_DOWNMIX,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
gst_gl_transformation_class_init (GstGLTransformationClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_transformation_set_property;
gobject_class->get_property = gst_gl_transformation_get_property;
GST_GL_FILTER_CLASS (klass)->init_fbo = gst_gl_transformation_init_shader;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_transformation_reset_gl;
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_transformation_set_caps;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_transformation_filter_texture;
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_transformation_stop;
g_object_class_install_property (gobject_class, PROP_FOV,
g_param_spec_float ("fov", "Fov", "Field of view angle in degrees",
0.0, G_MAXFLOAT, 90.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ORTHO,
g_param_spec_boolean ("ortho", "Orthographic",
"Use orthographic projection", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Rotation */
g_object_class_install_property (gobject_class, PROP_ROTATION_X,
g_param_spec_float ("rotation-x", "X Rotation",
"Rotates the video around the X-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ROTATION_Y,
g_param_spec_float ("rotation-y", "Y Rotation",
"Rotates the video around the Y-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ROTATION_Z,
g_param_spec_float ("rotation-z", "Z Rotation",
"Rotates the video around the Z-Axis in degrees.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Translation */
g_object_class_install_property (gobject_class, PROP_TRANSLATION_X,
g_param_spec_float ("translation-x", "X Translation",
"Translates the video at the X-Axis, in universal [0-1] coordinate.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TRANSLATION_Y,
g_param_spec_float ("translation-y", "Y Translation",
"Translates the video at the Y-Axis, in universal [0-1] coordinate.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TRANSLATION_Z,
g_param_spec_float ("translation-z", "Z Translation",
"Translates the video at the Z-Axis, in universal [0-1] coordinate.",
-G_MAXFLOAT, G_MAXFLOAT, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* Scale */
g_object_class_install_property (gobject_class, PROP_SCALE_X,
g_param_spec_float ("scale-x", "X Scale",
"Scale multiplier for the X-Axis.",
0.0, G_MAXFLOAT, 1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_SCALE_Y,
g_param_spec_float ("scale-y", "Y Scale",
"Scale multiplier for the Y-Axis.",
0.0, G_MAXFLOAT, 1.0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* MVP */
g_object_class_install_property (gobject_class, PROP_MVP,
g_param_spec_boxed ("mvp-matrix",
"Modelview Projection Matrix",
"The final Graphene 4x4 Matrix for transformation",
GRAPHENE_TYPE_MATRIX, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class, "OpenGL transformation filter",
"Filter/Effect/Video", "Transform video on the GPU",
"Lubosz Sarnecki <*****@*****.**>");
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api =
GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2;
}
static void
gst_gl_alpha_class_init (GstGLAlphaClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
GstGLBaseFilterClass *base_filter_class = (GstGLBaseFilterClass *) klass;
GstGLFilterClass *filter_class = (GstGLFilterClass *) klass;
GST_DEBUG_CATEGORY_INIT (glalpha_debug, "glalpha", 0, "glalpha");
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
gobject_class->set_property = gst_gl_alpha_set_property;
gobject_class->get_property = gst_gl_alpha_get_property;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_METHOD,
g_param_spec_enum ("method", "Method",
"How the alpha channels should be created", GST_TYPE_GL_ALPHA_METHOD,
DEFAULT_METHOD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ALPHA,
g_param_spec_double ("alpha", "Alpha", "The value for the alpha channel",
0.0, 1.0, DEFAULT_ALPHA,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TARGET_R,
g_param_spec_uint ("target-r", "Target Red",
"The red color value for custom RGB chroma keying", 0, 255,
DEFAULT_TARGET_R,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TARGET_G,
g_param_spec_uint ("target-g", "Target Green",
"The green color value for custom RGB chroma keying", 0, 255,
DEFAULT_TARGET_G,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TARGET_B,
g_param_spec_uint ("target-b", "Target Blue",
"The blue color value for custom RGB chroma keying", 0, 255,
DEFAULT_TARGET_B,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ANGLE,
g_param_spec_float ("angle", "Angle", "Size of the colorcube to change",
0.0, 90.0, DEFAULT_ANGLE,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_NOISE_LEVEL,
g_param_spec_float ("noise-level", "Noise Level", "Size of noise radius",
0.0, 64.0, DEFAULT_NOISE_LEVEL,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_BLACK_SENSITIVITY, g_param_spec_uint ("black-sensitivity",
"Black Sensitivity", "Sensitivity to dark colors", 0, 128,
DEFAULT_BLACK_SENSITIVITY,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_WHITE_SENSITIVITY, g_param_spec_uint ("white-sensitivity",
"White Sensitivity", "Sensitivity to bright colors", 0, 128,
DEFAULT_WHITE_SENSITIVITY,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (gstelement_class,
"OpenGL Alpha Filter", "Filter/Effect/Video",
"Adds an alpha channel to video using OpenGL - uniform or chroma-keying",
"Matthew Waters <*****@*****.**>");
trans_class->before_transform =
GST_DEBUG_FUNCPTR (gst_gl_alpha_before_transform);
trans_class->transform_ip_on_passthrough = FALSE;
base_filter_class->gl_start = GST_DEBUG_FUNCPTR (gst_gl_alpha_gl_start);
base_filter_class->gl_stop = GST_DEBUG_FUNCPTR (gst_gl_alpha_gl_stop);
filter_class->filter_texture =
GST_DEBUG_FUNCPTR (gst_gl_alpha_filter_texture);
}
static void
gst_gl_overlay_class_init (GstGLOverlayClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_gl_overlay_set_property;
gobject_class->get_property = gst_gl_overlay_get_property;
GST_GL_FILTER_CLASS (klass)->set_caps = gst_gl_overlay_set_caps;
GST_GL_FILTER_CLASS (klass)->filter_texture = gst_gl_overlay_filter_texture;
GST_GL_FILTER_CLASS (klass)->display_init_cb =
gst_gl_overlay_init_gl_resources;
GST_GL_FILTER_CLASS (klass)->display_reset_cb =
gst_gl_overlay_reset_gl_resources;
GST_GL_FILTER_CLASS (klass)->onStart = gst_gl_overlay_init_resources;
GST_GL_FILTER_CLASS (klass)->onStop = gst_gl_overlay_reset_resources;
g_object_class_install_property (gobject_class,
PROP_LOCATION,
g_param_spec_string ("location",
"Location of the image",
"Location of the image", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_XPOS_PNG,
g_param_spec_int ("xpos-png",
"X position of overlay image in percents",
"X position of overlay image in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_YPOS_PNG,
g_param_spec_int ("ypos-png",
"Y position of overlay image in percents",
"Y position of overlay image in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_SIZE_PNG,
g_param_spec_int ("proportion-png",
"Relative size of overlay image, in percents",
"Relative size of iverlay image, in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_XPOS_VIDEO,
g_param_spec_int ("xpos-video",
"X position of overlay video in percents",
"X position of overlay video in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_YPOS_VIDEO,
g_param_spec_int ("ypos-video",
"Y position of overlay video in percents",
"Y position of overlay video in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_SIZE_VIDEO,
g_param_spec_int ("proportion-video",
"Relative size of overlay video, in percents",
"Relative size of iverlay video, in percents",
0, 100, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_VIDEOTOP,
g_param_spec_boolean ("video-top",
"Video-top", "Video is over png image", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ROTATE_PNG,
g_param_spec_int ("rotate-png",
"choose rotation axis for the moment only Y axis is implemented",
"choose rotation axis for the moment only Y axis is implemented",
0, 3, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ROTATE_VIDEO,
g_param_spec_int ("rotate-video",
"choose rotation axis for the moment only Y axis is implemented",
"choose rotation axis for the moment only Y axis is implemented",
0, 3, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ANGLE_PNG,
g_param_spec_int ("angle-png",
"choose angle in axis to choosen between -90 and 90",
"choose angle in axis to choosen between -90 and 90",
-90, 90, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ANGLE_VIDEO,
g_param_spec_int ("angle-video",
"choose angle in axis to choosen between -90 and 90",
"choose angle in axis to choosen between -90 and 90",
-90, 90, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_RATIO_VIDEO,
g_param_spec_int ("ratio-video",
"choose ratio video between 0 and 3\n \t\t\t0 : Default ratio\n\t\t\t1 : 4 / 3\n\t\t\t2 : 16 / 9\n\t\t\t3 : 16 / 10",
"choose ratio video between 0 and 3\n \t\t\t0 : Default ratio\n\t\t\t1 : 4 / 3\n\t\t\t2 : 16 / 9\n\t\t\t3 : 16 / 10",
0, 3, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_metadata (element_class,
"Gstreamer OpenGL Overlay", "Filter/Effect/Video",
"Overlay GL video texture with a PNG image",
"Filippo Argiolas <*****@*****.**>");
/*
g_object_class_install_property (gobject_class,
PROP_STRETCH,
g_param_spec_boolean ("stretch",
"Stretch the image to texture size",
"Stretch the image to fit video texture size",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
*/
}
static void
gst_gl_filtershader_class_init (GstGLFilterShaderClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
element_class = GST_ELEMENT_CLASS (klass);
gst_gl_filter_add_rgba_pad_templates (GST_GL_FILTER_CLASS (klass));
gobject_class->finalize = gst_gl_filtershader_finalize;
gobject_class->set_property = gst_gl_filtershader_set_property;
gobject_class->get_property = gst_gl_filtershader_get_property;
g_object_class_install_property (gobject_class, PROP_SHADER,
g_param_spec_object ("shader", "Shader object",
"GstGLShader to use", GST_TYPE_GL_SHADER,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_VERTEX,
g_param_spec_string ("vertex", "Vertex Source",
"GLSL vertex source", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FRAGMENT,
g_param_spec_string ("fragment", "Fragment Source",
"GLSL fragment source", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/* FIXME: add other stages */
g_object_class_install_property (gobject_class, PROP_UNIFORMS,
g_param_spec_boxed ("uniforms", "GLSL Uniforms",
"GLSL Uniforms", GST_TYPE_STRUCTURE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_UPDATE_SHADER,
g_param_spec_boolean ("update-shader", "Update Shader",
"Emit the \'create-shader\' signal for the next frame",
FALSE, G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
/*
* GstGLFilterShader::create-shader:
* @object: the #GstGLFilterShader
*
* Ask's the application for a shader to render with as a result of
* inititialization or setting the 'update-shader' property.
*
* Returns: a new #GstGLShader for use in the rendering pipeline
*/
gst_gl_shader_signals[SIGNAL_CREATE_SHADER] =
g_signal_new ("create-shader", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_generic,
GST_TYPE_GL_SHADER, 0);
gst_element_class_set_metadata (element_class,
"OpenGL fragment shader filter", "Filter/Effect",
"Perform operations with a GLSL shader", "<*****@*****.**>");
GST_GL_FILTER_CLASS (klass)->filter = gst_gl_filtershader_filter;
GST_GL_FILTER_CLASS (klass)->filter_texture =
gst_gl_filtershader_filter_texture;
GST_GL_BASE_FILTER_CLASS (klass)->gl_start = gst_gl_filtershader_gl_start;
GST_GL_BASE_FILTER_CLASS (klass)->gl_stop = gst_gl_filtershader_gl_stop;
GST_GL_BASE_FILTER_CLASS (klass)->supported_gl_api =
GST_GL_API_OPENGL | GST_GL_API_GLES2 | GST_GL_API_OPENGL3;
}
