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id: dtv_dvbt_viterbi_decoder
label: Viterbi Decoder
parameters:
- 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
label: Code rate
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: type
label: Type
dtype: enum
options: [i, s, b]
option_labels: [Int, Short, Byte]
option_attributes:
io: [int, short, byte]
hide: part
- id: block_size
label: Block Size
dtype: int
inputs:
- domain: stream
dtype: byte
outputs:
- domain: stream
dtype: ${ type.io }
templates:
imports: from gnuradio import dtv
make: dtv.dvbt_viterbi_decoder(${constellation.val}, ${hierarchy.val}, ${code_rate.val},
${block_size})
file_format: 1
|
