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<?xml version="1.0"?>
<!--
###################################################
##Trellis Viterbi Combined
###################################################
-->
<block>
<name>Viterbi Combo</name>
<key>trellis_viterbi_combined_xx</key>
<category>[Core]/Trellis Coding</category>
<import>from gnuradio import trellis, digital</import>
<make>trellis.viterbi_combined_$(type)$(out_type)(trellis.fsm($fsm_args), $block_size, $init_state, $final_state, $dim, $table, $metric_type)</make>
<callback>set_FSM(trellis.fsm($fsm_args))</callback>
<callback>set_K($block_size)</callback>
<callback>set_S0($init_state)</callback>
<callback>set_SK($final_state)</callback>
<callback>set_D($dim)</callback>
<callback>set_TABLE($table)</callback>
<callback>set_TYPE($metric_type)</callback>
<param>
<name>Input Type</name>
<key>type</key>
<type>enum</type>
<option>
<name>Complex</name>
<key>c</key>
<opt>io:complex</opt>
<opt>table:complex_vector</opt>
</option>
<option>
<name>Float</name>
<key>f</key>
<opt>io:float</opt>
<opt>table:real_vector</opt>
</option>
<option>
<name>Int</name>
<key>i</key>
<opt>io:int</opt>
<opt>table:int_vector</opt>
</option>
<option>
<name>Short</name>
<key>s</key>
<opt>io:short</opt>
<opt>table:int_vector</opt>
</option>
</param>
<param>
<name>Output Type</name>
<key>out_type</key>
<type>enum</type>
<option>
<name>Int</name>
<key>i</key>
<opt>io:int</opt>
</option>
<option>
<name>Short</name>
<key>s</key>
<opt>io:short</opt>
</option>
<option>
<name>Byte</name>
<key>b</key>
<opt>io:byte</opt>
</option>
</param>
<param>
<name>FSM Args</name>
<key>fsm_args</key>
<type>raw</type>
</param>
<param>
<name>Block Size</name>
<key>block_size</key>
<type>int</type>
</param>
<param>
<name>Initial State</name>
<key>init_state</key>
<value>0</value>
<type>int</type>
</param>
<param>
<name>Final State</name>
<key>final_state</key>
<value>-1</value>
<type>int</type>
</param>
<param>
<name>Dimensionality</name>
<key>dim</key>
<type>int</type>
</param>
<param>
<name>Constellation</name>
<key>table</key>
<type>$type.table</type>
</param>
<param>
<name>Metric Type</name>
<key>metric_type</key>
<type>enum</type>
<option>
<name>Euclidean</name>
<key>digital.TRELLIS_EUCLIDEAN</key>
</option>
<option>
<name>Hard Symbol</name>
<key>digital.TRELLIS_HARD_SYMBOL</key>
</option>
<option>
<name>Hard Bit</name>
<key>digital.TRELLIS_HARD_BIT</key>
</option>
</param>
<check>(isinstance(eval(""" $fsm_args """[1:-1], locals(),globals()), str) and open($fsm_args).close()) or True</check>
<sink>
<name>in</name>
<type>$type.io</type>
</sink>
<source>
<name>out</name>
<type>$out_type.io</type>
</source>
<doc>
Viterbi Decoder combined with metric calculation. \
The fsm arguments are passed directly to the trellis.fsm() constructor.
</doc>
</block>
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