X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gr-atsc%2Fsrc%2Flib%2Fatsc_trellis_encoder.cc;fp=gr-atsc%2Fsrc%2Flib%2Fatsc_trellis_encoder.cc;h=efd08831035802338284be09a384c74139d9b941;hb=35e43e8d8c271e6842191cac3fc3f2f88a861183;hp=0000000000000000000000000000000000000000;hpb=ea29b08aeb54227e6628f655ccfdb96fe4d8c378;p=debian%2Fgnuradio diff --git a/gr-atsc/src/lib/atsc_trellis_encoder.cc b/gr-atsc/src/lib/atsc_trellis_encoder.cc new file mode 100644 index 00000000..efd08831 --- /dev/null +++ b/gr-atsc/src/lib/atsc_trellis_encoder.cc @@ -0,0 +1,60 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006 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, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include + + +atsc_trellis_encoder_sptr +atsc_make_trellis_encoder() +{ + return atsc_trellis_encoder_sptr(new atsc_trellis_encoder()); +} + +atsc_trellis_encoder::atsc_trellis_encoder() + : gr_sync_block("atsc_trellis_encoder", + gr_make_io_signature(1, 1, sizeof(atsc_mpeg_packet_rs_encoded)), + gr_make_io_signature(1, 1, sizeof(atsc_data_segment))) +{ + set_output_multiple(atsci_trellis_encoder::NCODERS); + reset(); +} + +int +atsc_trellis_encoder::work (int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) +{ + const atsc_mpeg_packet_rs_encoded *in = (const atsc_mpeg_packet_rs_encoded *) input_items[0]; + atsc_data_segment *out = (atsc_data_segment *) output_items[0]; + + for (int i = 0; i < atsci_trellis_encoder::NCODERS; i += atsci_trellis_encoder::NCODERS){ + d_trellis_encoder.encode(&out[i], &in[i]); + } + return atsci_trellis_encoder::NCODERS; +} +