id: dtv_dvbt_reference_signals
label: Reference Signals

parameters:
-   id: type
    label: IO Type
    dtype: enum
    options: [complex, float, int, short, byte]
    option_attributes:
        size: [gr.sizeof_gr_complex, gr.sizeof_float, gr.sizeof_int, gr.sizeof_short,
            gr.sizeof_char]
-   id: constellation
    label: Constellation Type
    dtype: enum
    options: [qpsk, 16qam, 64qam]
    option_labels: [QPSK, 16QAM, 64QAM]
    option_attributes:
        val: [dtv.MOD_QPSK, dtv.MOD_16QAM, dtv.MOD_64QAM]
-   id: hierarchy
    label: Hierarchy Type
    dtype: enum
    options: [nh, alpha1, alpha2, alpha4]
    option_labels: [Non Hierarchical, Alpha 1, Alpha 2, Alpha 4]
    option_attributes:
        val: [dtv.NH, dtv.ALPHA1, dtv.ALPHA2, dtv.ALPHA4]
-   id: code_rate_hp
    label: Code rate HP
    dtype: enum
    options: [C1_2, C2_3, C3_4, C5_6, C7_8]
    option_labels: [1/2, 2/3, 3/4, 5/6, 7/8]
    option_attributes:
        val: [dtv.C1_2, dtv.C2_3, dtv.C3_4, dtv.C5_6, dtv.C7_8]
-   id: code_rate_lp
    label: Code rate LP
    dtype: enum
    options: [C1_2, C2_3, C3_4, C5_6, C7_8]
    option_labels: [1/2, 2/3, 3/4, 5/6, 7/8]
    option_attributes:
        val: [dtv.C1_2, dtv.C2_3, dtv.C3_4, dtv.C5_6, dtv.C7_8]
-   id: guard_interval
    label: Guard Interval
    dtype: enum
    options: [GI_1_32, GI_1_16, GI_1_8, GI_1_4]
    option_labels: [1/32, 1/16, 1/8, 1/4]
    option_attributes:
        val: [dtv.GI_1_32, dtv.GI_1_16, dtv.GI_1_8, dtv.GI_1_4]
-   id: transmission_mode
    label: Transmission Mode
    dtype: enum
    options: [T2k, T8k]
    option_labels: [2K, 8K]
    option_attributes:
        fft_length: ['2048', '8192']
        payload_length: ['1512', '6048']
        val: [dtv.T2k, dtv.T8k]
    hide: ${ 'part' if vlen == 1 else 'none' }
-   id: include_cell_id
    label: Include Cell ID
    dtype: enum
    options: [call_id_yes, cell_id_no]
    option_labels: ['Yes', 'No']
    option_attributes:
        val: ['1', '0']
-   id: cell_id
    label: Cell Id
    dtype: int
    default: '0'

inputs:
-   domain: stream
    dtype: complex
    vlen: ${ transmission_mode.payload_length }

outputs:
-   domain: stream
    dtype: complex
    vlen: ${ transmission_mode.fft_length }

templates:
    imports: from gnuradio import dtv
    make: dtv.dvbt_reference_signals(${type.size}, ${transmission_mode.payload_length},
        ${transmission_mode.fft_length}, ${constellation.val}, ${hierarchy.val}, ${code_rate_hp.val},
        ${code_rate_lp.val}, ${guard_interval.val}, ${transmission_mode.val}, ${include_cell_id.val},
        ${cell_id})

file_format: 1