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82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////
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#include "DVB2.h"
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#ifndef __SCMPLX__
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typedef struct{
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short re;
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short im;
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}scmplx;
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#endif
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#ifndef DVBS2_H
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#define DVBS2_H
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#ifndef M_PI
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#define M_PI 3.14159f
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#endif
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#define loggerf printf
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class DVBS2 : public DVB2{
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private:
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const static unsigned long g[6];
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const static int ph_scram_tab[64];
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const static int ph_sync_seq[26];
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scmplx m_bpsk[2][2];
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scmplx m_qpsk[4];
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scmplx m_8psk[8];
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scmplx m_16apsk[16];
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scmplx m_32apsk[32];
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scmplx m_pl[FRAME_SIZE_NORMAL];
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scmplx m_pl_dummy[FRAME_SIZE_NORMAL];
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int m_cscram[FRAME_SIZE_NORMAL];
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int m_iframe[FRAME_SIZE_NORMAL];
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int m_payload_symbols;
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int m_dummy_frame_length;
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int m_configured;
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double m_efficiency;
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int m_s2_config_updated;
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void b_64_7_code( unsigned char in, int *out );
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void s2_pl_header_encode( u8 modcod, u8 type, int *out);
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void modulator_configuration(void);
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void s2_interleave( void );
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void s2_pl_header_create(void);
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int s2_pl_data_pack( void );
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void pl_scramble_symbols( scmplx *fs, int len );
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void pl_scramble_dummy_symbols( int len );
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void pl_build_dummy( void );
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int parity_chk( long a, long b);
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void build_symbol_scrambler_table( void );
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void calc_efficiency( void );
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void end_of_frame_actions(void);
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public:
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int is_valid(int mod, int coderate);
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double s2_get_efficiency( void );
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void physical(void);
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int s2_set_configure( DVB2FrameFormat *f );
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void s2_get_configure( DVB2FrameFormat *f );
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scmplx *pl_get_frame(void);
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scmplx *pl_get_dummy( int &len );
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int s2_add_ts_frame( u8 *ts );
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DVBS2();
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};
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#endif
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