<?xml version="1.0"?> <!-- ################################################### ## Randomizer ################################################### --> <block> <name>Randomizer</name> <key>dtv_catv_randomizer_bb</key> <import>from gnuradio import dtv</import> <make>dtv.catv_randomizer_bb($constellation.val)</make> <param> <name>Constellation</name> <key>constellation</key> <type>enum</type> <option> <name>64QAM</name> <key>CATV_MOD_64QAM</key> <opt>val:dtv.CATV_MOD_64QAM</opt> </option> <option> <name>256QAM</name> <key>CATV_MOD_256QAM</key> <opt>val:dtv.CATV_MOD_256QAM</opt> </option> </param> <sink> <name>in</name> <type>byte</type> </sink> <source> <name>out</name> <type>byte</type> </source> </block>