diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-15 20:49:05 -0400 |
| commit | 3d38e82e7d87dfc01132b199e33b53add8a706fa (patch) | |
| tree | af4545bcf3cea24dc30571601116a3a89381ad5d /gr-atsc/src/lib/atsci_basic_trellis_encoder.h | |
| parent | 39ff6d4814c858f2dbaf3c8007940872c46d6c95 (diff) | |
atsc: adjustments to atsc to start to conform to v3.7 structure.
Not going to comply completely with the new structure; just wanted to get it so that it looked more consistent once installed.
Diffstat (limited to 'gr-atsc/src/lib/atsci_basic_trellis_encoder.h')
| -rw-r--r-- | gr-atsc/src/lib/atsci_basic_trellis_encoder.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/gr-atsc/src/lib/atsci_basic_trellis_encoder.h b/gr-atsc/src/lib/atsci_basic_trellis_encoder.h deleted file mode 100644 index a1bbbf5a0e..0000000000 --- a/gr-atsc/src/lib/atsci_basic_trellis_encoder.h +++ /dev/null @@ -1,61 +0,0 @@ -/* -*- 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, - * Boston, MA 02110-1301, USA. - */ -#ifndef _ATSC_BASIC_TRELLIS_ENCODER_H_ -#define _ATSC_BASIC_TRELLIS_ENCODER_H_ - -#include <atsc_api.h> -#include <assert.h> - -/*! - * \brief ATSC trellis encoder building block. - * - * Note this is NOT the 12x interleaved interface. - * - * This implements a single instance of the ATSC trellis encoder. - * This is a rate 2/3 encoder (really a constraint length 3, rate 1/2 - * encoder with the top bit passed through unencoded. This does not - * implement the "precoding" of the top bit, because the NTSC rejection - * filter is not supported. - */ - -class ATSC_API atsci_basic_trellis_encoder { - -private: - int state; // two bit state; - -public: - atsci_basic_trellis_encoder () : state (0) {} - - /*! - * Encode two bit INPUT into 3 bit return value. Domain is [0,3], - * Range is [0,7]. The mapping to bipolar levels is not done. - */ - int encode (unsigned int input); - - //! reset encoder state - void reset () { state = 0; } - - static const unsigned char next_state[32]; - static const unsigned char out_symbol[32]; -}; - -#endif /* _ATSC_BASIC_TRELLIS_ENCODER_H_ */ |