diff options
Diffstat (limited to 'gr-atsc/src/lib/atsci_viterbi_decoder.cc')
| -rw-r--r-- | gr-atsc/src/lib/atsci_viterbi_decoder.cc | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gr-atsc/src/lib/atsci_viterbi_decoder.cc b/gr-atsc/src/lib/atsci_viterbi_decoder.cc index 5b9ae4e10..8804f6007 100644 --- a/gr-atsc/src/lib/atsci_viterbi_decoder.cc +++ b/gr-atsc/src/lib/atsci_viterbi_decoder.cc @@ -1,19 +1,19 @@ /* -*- c++ -*- */ /* * Copyright 2002 Free Software Foundation, Inc. - * + * * This file is part of GNU Radio - * + * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. - * + * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, @@ -49,7 +49,7 @@ atsci_viterbi_decoder::atsci_viterbi_decoder () * If anybody cares, it is possible to do it with less delay, but * this approach is at least somewhat understandable... */ - + // the -4 is for the 4 sync symbols int fifo_size = ATSC_DATA_SEGMENT_LENGTH - 4 - viterbi[0].delay (); for (int i = 0; i < NCODERS; i++) @@ -90,7 +90,7 @@ atsci_viterbi_decoder::decode (atsc_mpeg_packet_rs_encoded out[NCODERS], } memset (out_copy, 0, sizeof (out_copy)); // sanity check - + // do the deed... decode_helper (out_copy, in_copy); @@ -99,8 +99,8 @@ atsci_viterbi_decoder::decode (atsc_mpeg_packet_rs_encoded out[NCODERS], memcpy (&out[i].data[0], &out_copy[i * OUTPUT_SIZE/NCODERS], ATSC_MPEG_RS_ENCODED_LENGTH * sizeof (out_copy[0])); - - + + // adjust pipeline info to reflect 12 segment delay plinfo::delay (out[i].pli, in[i].pli, NCODERS); } @@ -150,13 +150,13 @@ atsci_viterbi_decoder::decode_helper (unsigned char out[OUTPUT_SIZE], #undef VERBOSE // printf ("@@@ DIBITS @@@\n"); - + /* Now run each of the 12 Trellis encoders over their subset of the input symbols */ for (encoder = 0; encoder < NCODERS; encoder++) { dbi = 0; /* Reinitialize dibit index for new encoder */ fifo_t *dibit_fifo = fifo[encoder]; - + /* Feed all the incoming symbols into one encoder; pump them into the relevant dibits. */ for (i = 0; i < enco_which_max; i++) { |