Trellis Encoder trellis_encoder_xx from gnuradio import trellis trellis.encoder_$(type)(trellis.fsm($fsm_args), $init_state) Type type enum Byte->Byte bb input:byte output:byte Byte->Short bs input:byte output:short Byte->Int bi input:byte output:int Short->Short ss input:short output:short Short->Int si input:short output:int Int->Int ii input:int output:int FSM Args fsm_args raw Initial State init_state int in $type.input out $type.output The fsm arguments are passed directly to the trellis.fsm() constructor.