#GstGLBaseMixer handles the nitty gritty details of retrieving an OpenGL context. It provides some virtual methods to know when the OpenGL context is available and is not available within this element.
the currently configured #GstGLContext
the currently configured #GstGLDisplay
parent #GstVideoAggregator
#GstGLBaseMixer handles the nitty gritty details of retrieving an OpenGL context. It provides some virtual methods to know when the OpenGL context is available and is not available within this element.