glfiltersobel
struct GstGLFilterSobel;
"invert" gboolean : Read / Write
struct GstGLFilterSobel { GstGLFilter filter; GstGLShader *hconv; GstGLShader *vconv; GstGLShader *len; GstGLShader *desat; GLuint midtexture[5]; gboolean invert; };
"invert"
Invert colors to get dark edges on bright background.
Default value: FALSE