id: dtv_catv_frame_sync_enc_bb label: Frame Sync Encoder parameters: - id: constellation label: Constellation dtype: enum options: [CATV_MOD_64QAM, CATV_MOD_256QAM] option_labels: [64QAM, 256QAM] option_attributes: val: [dtv.CATV_MOD_64QAM, dtv.CATV_MOD_256QAM] - id: ctrlword label: Control Word dtype: int default: '6' inputs: - domain: stream dtype: byte outputs: - domain: stream dtype: byte templates: imports: from gnuradio import dtv make: dtv.catv_frame_sync_enc_bb(${constellation.val}, ${ctrlword}) file_format: 1