cimport libav as lib from av.filter.context cimport FilterContext cdef class Graph: cdef object __weakref__ cdef lib.AVFilterGraph *ptr cdef readonly bint configured cpdef configure(self, bint auto_buffer=*, bint force=*) cdef dict _name_counts cdef str _get_unique_name(self, str name) cdef list[FilterContext] _get_context_by_type(self, str type) cdef _register_context(self, FilterContext) cdef _auto_register(self) cdef int _nb_filters_seen cdef dict[long, FilterContext] _context_by_ptr cdef dict[str, list[FilterContext]] _context_by_type