diff options
Diffstat (limited to 'gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc')
| -rw-r--r-- | gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc | 998 |
1 files changed, 491 insertions, 507 deletions
diff --git a/gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc b/gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc index bda49e9540..aee8793720 100644 --- a/gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc +++ b/gr-dtv/lib/dvbt2/dvbt2_freqinterleaver_cc_impl.cc @@ -1,17 +1,17 @@ /* -*- c++ -*- */ -/* +/* * Copyright 2015 Free Software Foundation, Inc. - * + * * This 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. - * + * * This software 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 this software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, @@ -26,853 +26,837 @@ #include "dvbt2_freqinterleaver_cc_impl.h" namespace gr { - namespace dtv { +namespace dtv { - dvbt2_freqinterleaver_cc::sptr - dvbt2_freqinterleaver_cc::make(dvbt2_extended_carrier_t carriermode, dvbt2_fftsize_t fftsize, dvbt2_pilotpattern_t pilotpattern, dvb_guardinterval_t guardinterval, int numdatasyms, dvbt2_papr_t paprmode, dvbt2_version_t version, dvbt2_preamble_t preamble) - { - return gnuradio::get_initial_sptr - (new dvbt2_freqinterleaver_cc_impl(carriermode, fftsize, pilotpattern, guardinterval, numdatasyms, paprmode, version, preamble)); - } +dvbt2_freqinterleaver_cc::sptr +dvbt2_freqinterleaver_cc::make(dvbt2_extended_carrier_t carriermode, + dvbt2_fftsize_t fftsize, + dvbt2_pilotpattern_t pilotpattern, + dvb_guardinterval_t guardinterval, + int numdatasyms, + dvbt2_papr_t paprmode, + dvbt2_version_t version, + dvbt2_preamble_t preamble) +{ + return gnuradio::get_initial_sptr(new dvbt2_freqinterleaver_cc_impl(carriermode, + fftsize, + pilotpattern, + guardinterval, + numdatasyms, + paprmode, + version, + preamble)); +} - /* - * The private constructor - */ - dvbt2_freqinterleaver_cc_impl::dvbt2_freqinterleaver_cc_impl(dvbt2_extended_carrier_t carriermode, dvbt2_fftsize_t fftsize, dvbt2_pilotpattern_t pilotpattern, dvb_guardinterval_t guardinterval, int numdatasyms, dvbt2_papr_t paprmode, dvbt2_version_t version, dvbt2_preamble_t preamble) - : gr::sync_block("dvbt2_freqinterleaver_cc", - gr::io_signature::make(1, 1, sizeof(gr_complex)), - gr::io_signature::make(1, 1, sizeof(gr_complex))) - { - int max_states, xor_size, pn_mask, result; - int q_even = 0; - int q_odd = 0; - int q_evenP2 = 0; - int q_oddP2 = 0; - int q_evenFC = 0; - int q_oddFC = 0; - int lfsr = 0; - int logic1k[2] = {0, 4}; - int logic2k[2] = {0, 3}; - int logic4k[2] = {0, 2}; - int logic8k[4] = {0, 1, 4, 6}; - int logic16k[6] = {0, 1, 4, 5, 9, 11}; - int logic32k[4] = {0, 1, 2, 12}; - int *logic; - const int *bitpermeven, *bitpermodd; - int pn_degree, even, odd; - if ((preamble == PREAMBLE_T2_SISO) || (preamble == PREAMBLE_T2_LITE_SISO)) { +/* + * The private constructor + */ +dvbt2_freqinterleaver_cc_impl::dvbt2_freqinterleaver_cc_impl( + dvbt2_extended_carrier_t carriermode, + dvbt2_fftsize_t fftsize, + dvbt2_pilotpattern_t pilotpattern, + dvb_guardinterval_t guardinterval, + int numdatasyms, + dvbt2_papr_t paprmode, + dvbt2_version_t version, + dvbt2_preamble_t preamble) + : gr::sync_block("dvbt2_freqinterleaver_cc", + gr::io_signature::make(1, 1, sizeof(gr_complex)), + gr::io_signature::make(1, 1, sizeof(gr_complex))) +{ + int max_states, xor_size, pn_mask, result; + int q_even = 0; + int q_odd = 0; + int q_evenP2 = 0; + int q_oddP2 = 0; + int q_evenFC = 0; + int q_oddFC = 0; + int lfsr = 0; + int logic1k[2] = { 0, 4 }; + int logic2k[2] = { 0, 3 }; + int logic4k[2] = { 0, 2 }; + int logic8k[4] = { 0, 1, 4, 6 }; + int logic16k[6] = { 0, 1, 4, 5, 9, 11 }; + int logic32k[4] = { 0, 1, 2, 12 }; + int* logic; + const int *bitpermeven, *bitpermodd; + int pn_degree, even, odd; + if ((preamble == PREAMBLE_T2_SISO) || (preamble == PREAMBLE_T2_LITE_SISO)) { switch (fftsize) { - case FFTSIZE_1K: + case FFTSIZE_1K: N_P2 = 16; C_P2 = 558; break; - case FFTSIZE_2K: + case FFTSIZE_2K: N_P2 = 8; C_P2 = 1118; break; - case FFTSIZE_4K: + case FFTSIZE_4K: N_P2 = 4; C_P2 = 2236; break; - case FFTSIZE_8K: - case FFTSIZE_8K_T2GI: + case FFTSIZE_8K: + case FFTSIZE_8K_T2GI: N_P2 = 2; C_P2 = 4472; break; - case FFTSIZE_16K: - case FFTSIZE_16K_T2GI: + case FFTSIZE_16K: + case FFTSIZE_16K_T2GI: N_P2 = 1; C_P2 = 8944; break; - case FFTSIZE_32K: - case FFTSIZE_32K_T2GI: + case FFTSIZE_32K: + case FFTSIZE_32K_T2GI: N_P2 = 1; C_P2 = 22432; break; } - } - else { + } else { switch (fftsize) { - case FFTSIZE_1K: + case FFTSIZE_1K: N_P2 = 16; C_P2 = 546; break; - case FFTSIZE_2K: + case FFTSIZE_2K: N_P2 = 8; C_P2 = 1098; break; - case FFTSIZE_4K: + case FFTSIZE_4K: N_P2 = 4; C_P2 = 2198; break; - case FFTSIZE_8K: - case FFTSIZE_8K_T2GI: + case FFTSIZE_8K: + case FFTSIZE_8K_T2GI: N_P2 = 2; C_P2 = 4398; break; - case FFTSIZE_16K: - case FFTSIZE_16K_T2GI: + case FFTSIZE_16K: + case FFTSIZE_16K_T2GI: N_P2 = 1; C_P2 = 8814; break; - case FFTSIZE_32K: - case FFTSIZE_32K_T2GI: + case FFTSIZE_32K: + case FFTSIZE_32K_T2GI: N_P2 = 1; C_P2 = 17612; break; } - } - switch (fftsize) { - case FFTSIZE_1K: - pn_degree = 9; - pn_mask = 0x1ff; - max_states = 1024; - logic = &logic1k[0]; - xor_size = 2; - bitpermeven = &bitperm1keven[0]; - bitpermodd = &bitperm1kodd[0]; - break; - case FFTSIZE_2K: - pn_degree = 10; - pn_mask = 0x3ff; - max_states = 2048; - logic = &logic2k[0]; - xor_size = 2; - bitpermeven = &bitperm2keven[0]; - bitpermodd = &bitperm2kodd[0]; - break; - case FFTSIZE_4K: - pn_degree = 11; - pn_mask = 0x7ff; - max_states = 4096; - logic = &logic4k[0]; - xor_size = 2; - bitpermeven = &bitperm4keven[0]; - bitpermodd = &bitperm4kodd[0]; - break; - case FFTSIZE_8K: - case FFTSIZE_8K_T2GI: - pn_degree = 12; - pn_mask = 0xfff; - max_states = 8192; - logic = &logic8k[0]; - xor_size = 4; - bitpermeven = &bitperm8keven[0]; - bitpermodd = &bitperm8kodd[0]; - break; - case FFTSIZE_16K: - case FFTSIZE_16K_T2GI: - pn_degree = 13; - pn_mask = 0x1fff; - max_states = 16384; - logic = &logic16k[0]; - xor_size = 6; - bitpermeven = &bitperm16keven[0]; - bitpermodd = &bitperm16kodd[0]; - break; - case FFTSIZE_32K: - case FFTSIZE_32K_T2GI: - pn_degree = 14; - pn_mask = 0x3fff; - max_states = 32768; - logic = &logic32k[0]; - xor_size = 4; - bitpermeven = &bitperm32k[0]; - bitpermodd = &bitperm32k[0]; - break; - default: - pn_degree = 0; - pn_mask = 0; - max_states = 0; - logic = &logic1k[0]; - xor_size = 0; - bitpermeven = &bitperm1keven[0]; - bitpermodd = &bitperm1kodd[0]; - break; - } - switch (fftsize) { - case FFTSIZE_1K: - switch (pilotpattern) { - case PILOT_PP1: - C_DATA = 764; - N_FC = 568; - C_FC = 402; - break; - case PILOT_PP2: - C_DATA = 768; - N_FC = 710; - C_FC = 654; - break; - case PILOT_PP3: - C_DATA = 798; - N_FC = 710; - C_FC = 490; - break; - case PILOT_PP4: - C_DATA = 804; - N_FC = 780; - C_FC = 707; - break; - case PILOT_PP5: - C_DATA = 818; - N_FC = 780; - C_FC = 544; - break; - case PILOT_PP6: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - case PILOT_PP7: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - case PILOT_PP8: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + switch (fftsize) { + case FFTSIZE_1K: + pn_degree = 9; + pn_mask = 0x1ff; + max_states = 1024; + logic = &logic1k[0]; + xor_size = 2; + bitpermeven = &bitperm1keven[0]; + bitpermodd = &bitperm1kodd[0]; + break; + case FFTSIZE_2K: + pn_degree = 10; + pn_mask = 0x3ff; + max_states = 2048; + logic = &logic2k[0]; + xor_size = 2; + bitpermeven = &bitperm2keven[0]; + bitpermodd = &bitperm2kodd[0]; + break; + case FFTSIZE_4K: + pn_degree = 11; + pn_mask = 0x7ff; + max_states = 4096; + logic = &logic4k[0]; + xor_size = 2; + bitpermeven = &bitperm4keven[0]; + bitpermodd = &bitperm4kodd[0]; + break; + case FFTSIZE_8K: + case FFTSIZE_8K_T2GI: + pn_degree = 12; + pn_mask = 0xfff; + max_states = 8192; + logic = &logic8k[0]; + xor_size = 4; + bitpermeven = &bitperm8keven[0]; + bitpermodd = &bitperm8kodd[0]; + break; + case FFTSIZE_16K: + case FFTSIZE_16K_T2GI: + pn_degree = 13; + pn_mask = 0x1fff; + max_states = 16384; + logic = &logic16k[0]; + xor_size = 6; + bitpermeven = &bitperm16keven[0]; + bitpermodd = &bitperm16kodd[0]; + break; + case FFTSIZE_32K: + case FFTSIZE_32K_T2GI: + pn_degree = 14; + pn_mask = 0x3fff; + max_states = 32768; + logic = &logic32k[0]; + xor_size = 4; + bitpermeven = &bitperm32k[0]; + bitpermodd = &bitperm32k[0]; + break; + default: + pn_degree = 0; + pn_mask = 0; + max_states = 0; + logic = &logic1k[0]; + xor_size = 0; + bitpermeven = &bitperm1keven[0]; + bitpermodd = &bitperm1kodd[0]; + break; + } + switch (fftsize) { + case FFTSIZE_1K: + switch (pilotpattern) { + case PILOT_PP1: + C_DATA = 764; + N_FC = 568; + C_FC = 402; + break; + case PILOT_PP2: + C_DATA = 768; + N_FC = 710; + C_FC = 654; + break; + case PILOT_PP3: + C_DATA = 798; + N_FC = 710; + C_FC = 490; + break; + case PILOT_PP4: + C_DATA = 804; + N_FC = 780; + C_FC = 707; + break; + case PILOT_PP5: + C_DATA = 818; + N_FC = 780; + C_FC = 544; + break; + case PILOT_PP6: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + case PILOT_PP7: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + case PILOT_PP8: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 10; + C_DATA -= 10; } if (N_FC != 0) { - N_FC -= 10; + N_FC -= 10; } if (C_FC != 0) { - C_FC -= 10; + C_FC -= 10; } - } - break; - case FFTSIZE_2K: - switch (pilotpattern) { - case PILOT_PP1: - C_DATA = 1522; - N_FC = 1136; - C_FC = 804; - break; - case PILOT_PP2: - C_DATA = 1532; - N_FC = 1420; - C_FC = 1309; - break; - case PILOT_PP3: - C_DATA = 1596; - N_FC = 1420; - C_FC = 980; - break; - case PILOT_PP4: - C_DATA = 1602; - N_FC = 1562; - C_FC = 1415; - break; - case PILOT_PP5: - C_DATA = 1632; - N_FC = 1562; - C_FC = 1088; - break; - case PILOT_PP6: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - case PILOT_PP7: - C_DATA = 1646; - N_FC = 1632; - C_FC = 1396; - break; - case PILOT_PP8: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + break; + case FFTSIZE_2K: + switch (pilotpattern) { + case PILOT_PP1: + C_DATA = 1522; + N_FC = 1136; + C_FC = 804; + break; + case PILOT_PP2: + C_DATA = 1532; + N_FC = 1420; + C_FC = 1309; + break; + case PILOT_PP3: + C_DATA = 1596; + N_FC = 1420; + C_FC = 980; + break; + case PILOT_PP4: + C_DATA = 1602; + N_FC = 1562; + C_FC = 1415; + break; + case PILOT_PP5: + C_DATA = 1632; + N_FC = 1562; + C_FC = 1088; + break; + case PILOT_PP6: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + case PILOT_PP7: + C_DATA = 1646; + N_FC = 1632; + C_FC = 1396; + break; + case PILOT_PP8: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 18; + C_DATA -= 18; } if (N_FC != 0) { - N_FC -= 18; + N_FC -= 18; } if (C_FC != 0) { - C_FC -= 18; + C_FC -= 18; } - } - break; - case FFTSIZE_4K: - switch (pilotpattern) { - case PILOT_PP1: - C_DATA = 3084; - N_FC = 2272; - C_FC = 1609; - break; - case PILOT_PP2: - C_DATA = 3092; - N_FC = 2840; - C_FC = 2619; - break; - case PILOT_PP3: - C_DATA = 3228; - N_FC = 2840; - C_FC = 1961; - break; - case PILOT_PP4: - C_DATA = 3234; - N_FC = 3124; - C_FC = 2831; - break; - case PILOT_PP5: - C_DATA = 3298; - N_FC = 3124; - C_FC = 2177; - break; - case PILOT_PP6: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - case PILOT_PP7: - C_DATA = 3328; - N_FC = 3266; - C_FC = 2792; - break; - case PILOT_PP8: - C_DATA = 0; - N_FC = 0; - C_FC = 0; - break; - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + break; + case FFTSIZE_4K: + switch (pilotpattern) { + case PILOT_PP1: + C_DATA = 3084; + N_FC = 2272; + C_FC = 1609; + break; + case PILOT_PP2: + C_DATA = 3092; + N_FC = 2840; + C_FC = 2619; + break; + case PILOT_PP3: + C_DATA = 3228; + N_FC = 2840; + C_FC = 1961; + break; + case PILOT_PP4: + C_DATA = 3234; + N_FC = 3124; + C_FC = 2831; + break; + case PILOT_PP5: + C_DATA = 3298; + N_FC = 3124; + C_FC = 2177; + break; + case PILOT_PP6: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + case PILOT_PP7: + C_DATA = 3328; + N_FC = 3266; + C_FC = 2792; + break; + case PILOT_PP8: + C_DATA = 0; + N_FC = 0; + C_FC = 0; + break; + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 36; + C_DATA -= 36; } if (N_FC != 0) { - N_FC -= 36; + N_FC -= 36; } if (C_FC != 0) { - C_FC -= 36; + C_FC -= 36; } - } - break; - case FFTSIZE_8K: - case FFTSIZE_8K_T2GI: - if (carriermode == CARRIERS_NORMAL) { + } + break; + case FFTSIZE_8K: + case FFTSIZE_8K_T2GI: + if (carriermode == CARRIERS_NORMAL) { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 6208; N_FC = 4544; C_FC = 3218; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 6214; N_FC = 5680; C_FC = 5238; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 6494; N_FC = 5680; C_FC = 3922; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 6498; N_FC = 6248; C_FC = 5662; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 6634; N_FC = 6248; C_FC = 4354; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 6698; N_FC = 6532; C_FC = 5585; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 6698; N_FC = 0; C_FC = 0; break; } - } - else { + } else { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 6296; N_FC = 4608; C_FC = 3264; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 6298; N_FC = 5760; C_FC = 5312; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 6584; N_FC = 5760; C_FC = 3978; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 6588; N_FC = 6336; C_FC = 5742; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 6728; N_FC = 6336; C_FC = 4416; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 6788; N_FC = 6624; C_FC = 5664; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 6788; N_FC = 0; C_FC = 0; break; } - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 72; + C_DATA -= 72; } if (N_FC != 0) { - N_FC -= 72; + N_FC -= 72; } if (C_FC != 0) { - C_FC -= 72; + C_FC -= 72; } - } - break; - case FFTSIZE_16K: - case FFTSIZE_16K_T2GI: - if (carriermode == CARRIERS_NORMAL) { + } + break; + case FFTSIZE_16K: + case FFTSIZE_16K_T2GI: + if (carriermode == CARRIERS_NORMAL) { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 12418; N_FC = 9088; C_FC = 6437; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 12436; N_FC = 11360; C_FC = 10476; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 12988; N_FC = 11360; C_FC = 7845; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 13002; N_FC = 12496; C_FC = 11324; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 13272; N_FC = 12496; C_FC = 8709; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 13288; N_FC = 13064; C_FC = 11801; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 13416; N_FC = 13064; C_FC = 11170; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 13406; N_FC = 0; C_FC = 0; break; } - } - else { + } else { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 12678; N_FC = 9280; C_FC = 6573; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 12698; N_FC = 11600; C_FC = 10697; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 13262; N_FC = 11600; C_FC = 8011; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 13276; N_FC = 12760; C_FC = 11563; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 13552; N_FC = 12760; C_FC = 8893; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 13568; N_FC = 13340; C_FC = 12051; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 13698; N_FC = 13340; C_FC = 11406; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 13688; N_FC = 0; C_FC = 0; break; } - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 144; + C_DATA -= 144; } if (N_FC != 0) { - N_FC -= 144; + N_FC -= 144; } if (C_FC != 0) { - C_FC -= 144; + C_FC -= 144; } - } - break; - case FFTSIZE_32K: - case FFTSIZE_32K_T2GI: - if (carriermode == CARRIERS_NORMAL) { + } + break; + case FFTSIZE_32K: + case FFTSIZE_32K_T2GI: + if (carriermode == CARRIERS_NORMAL) { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 24886; N_FC = 22720; C_FC = 20952; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 26022; N_FC = 24992; C_FC = 22649; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 26592; N_FC = 26128; C_FC = 23603; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 26836; N_FC = 0; C_FC = 0; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 26812; N_FC = 0; C_FC = 0; break; } - } - else { + } else { switch (pilotpattern) { - case PILOT_PP1: + case PILOT_PP1: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP2: + case PILOT_PP2: C_DATA = 25412; N_FC = 23200; C_FC = 21395; break; - case PILOT_PP3: + case PILOT_PP3: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP4: + case PILOT_PP4: C_DATA = 26572; N_FC = 25520; C_FC = 23127; break; - case PILOT_PP5: + case PILOT_PP5: C_DATA = 0; N_FC = 0; C_FC = 0; break; - case PILOT_PP6: + case PILOT_PP6: C_DATA = 27152; N_FC = 26680; C_FC = 24102; break; - case PILOT_PP7: + case PILOT_PP7: C_DATA = 27404; N_FC = 0; C_FC = 0; break; - case PILOT_PP8: + case PILOT_PP8: C_DATA = 27376; N_FC = 0; C_FC = 0; break; } - } - if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { + } + if (paprmode == PAPR_TR || paprmode == PAPR_BOTH) { if (C_DATA != 0) { - C_DATA -= 288; + C_DATA -= 288; } if (N_FC != 0) { - N_FC -= 288; + N_FC -= 288; } if (C_FC != 0) { - C_FC -= 288; + C_FC -= 288; } - } - break; - } - if ((preamble == PREAMBLE_T2_SISO) || (preamble == PREAMBLE_T2_LITE_SISO)) { + } + break; + } + if ((preamble == PREAMBLE_T2_SISO) || (preamble == PREAMBLE_T2_LITE_SISO)) { if (guardinterval == GI_1_128 && pilotpattern == PILOT_PP7) { - N_FC = 0; - C_FC = 0; + N_FC = 0; + C_FC = 0; } if (guardinterval == GI_1_32 && pilotpattern == PILOT_PP4) { - N_FC = 0; - C_FC = 0; + N_FC = 0; + C_FC = 0; } if (guardinterval == GI_1_16 && pilotpattern == PILOT_PP2) { - N_FC = 0; - C_FC = 0; + N_FC = 0; + C_FC = 0; } if (guardinterval == GI_19_256 && pilotpattern == PILOT_PP2) { - N_FC = 0; - C_FC = 0; + N_FC = 0; + C_FC = 0; } - } - for (int i = 0; i < max_states; i++) { + } + for (int i = 0; i < max_states; i++) { if (i == 0 || i == 1) { - lfsr = 0; - } - else if (i == 2) { - lfsr = 1; - } - else { - result = 0; - for (int k = 0; k < xor_size; k++) { - result ^= (lfsr >> logic[k]) & 1; - } - lfsr &= pn_mask; - lfsr >>= 1; - lfsr |= result << (pn_degree - 1); + lfsr = 0; + } else if (i == 2) { + lfsr = 1; + } else { + result = 0; + for (int k = 0; k < xor_size; k++) { + result ^= (lfsr >> logic[k]) & 1; + } + lfsr &= pn_mask; + lfsr >>= 1; + lfsr |= result << (pn_degree - 1); } even = 0; odd = 0; for (int n = 0; n < pn_degree; n++) { - even |= ((lfsr >> n) & 0x1) << bitpermeven[n]; + even |= ((lfsr >> n) & 0x1) << bitpermeven[n]; } for (int n = 0; n < pn_degree; n++) { - odd |= ((lfsr >> n) & 0x1) << bitpermodd[n]; + odd |= ((lfsr >> n) & 0x1) << bitpermodd[n]; } even = even + ((i % 2) * (max_states / 2)); odd = odd + ((i % 2) * (max_states / 2)); if (even < C_DATA) { - Heven[q_even++] = even; + Heven[q_even++] = even; } if (odd < C_DATA) { - Hodd[q_odd++] = odd; + Hodd[q_odd++] = odd; } if (even < C_P2) { - HevenP2[q_evenP2++] = even; + HevenP2[q_evenP2++] = even; } if (odd < C_P2) { - HoddP2[q_oddP2++] = odd; + HoddP2[q_oddP2++] = odd; } if (even < N_FC) { - HevenFC[q_evenFC++] = even; + HevenFC[q_evenFC++] = even; } if (odd < N_FC) { - HoddFC[q_oddFC++] = odd; + HoddFC[q_oddFC++] = odd; } - } - if (fftsize == FFTSIZE_32K || fftsize == FFTSIZE_32K_T2GI) { + } + if (fftsize == FFTSIZE_32K || fftsize == FFTSIZE_32K_T2GI) { for (int j = 0; j < q_odd; j++) { - int a; - a = Hodd[j]; - Heven[a] = j; + int a; + a = Hodd[j]; + Heven[a] = j; } for (int j = 0; j < q_oddP2; j++) { - int a; - a = HoddP2[j]; - HevenP2[a] = j; + int a; + a = HoddP2[j]; + HevenP2[a] = j; } for (int j = 0; j < q_oddFC; j++) { - int a; - a = HoddFC[j]; - HevenFC[a] = j; + int a; + a = HoddFC[j]; + HevenFC[a] = j; } - } - if (N_FC == 0) { + } + if (N_FC == 0) { set_output_multiple((N_P2 * C_P2) + (numdatasyms * C_DATA)); interleaved_items = (N_P2 * C_P2) + (numdatasyms * C_DATA); num_data_symbols = numdatasyms; - } - else { + } else { set_output_multiple((N_P2 * C_P2) + ((numdatasyms - 1) * C_DATA) + N_FC); interleaved_items = (N_P2 * C_P2) + ((numdatasyms - 1) * C_DATA) + N_FC; num_data_symbols = numdatasyms - 1; - } } +} - /* - * Our virtual destructor. - */ - dvbt2_freqinterleaver_cc_impl::~dvbt2_freqinterleaver_cc_impl() - { - } +/* + * Our virtual destructor. + */ +dvbt2_freqinterleaver_cc_impl::~dvbt2_freqinterleaver_cc_impl() {} - int - dvbt2_freqinterleaver_cc_impl::work(int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items) - { - const gr_complex *in = (const gr_complex *) input_items[0]; - gr_complex *out = (gr_complex *) output_items[0]; - int symbol = 0; - int *H; +int dvbt2_freqinterleaver_cc_impl::work(int noutput_items, + gr_vector_const_void_star& input_items, + gr_vector_void_star& output_items) +{ + const gr_complex* in = (const gr_complex*)input_items[0]; + gr_complex* out = (gr_complex*)output_items[0]; + int symbol = 0; + int* H; - for (int i = 0; i < noutput_items; i += interleaved_items) { + for (int i = 0; i < noutput_items; i += interleaved_items) { for (int j = 0; j < N_P2; j++) { - if ((symbol % 2) == 0) { - H = HevenP2; - } - else { - H = HoddP2; - } - for (int j = 0; j < C_P2; j++) { - *out++ = in[H[j]]; - } - symbol++; - in += C_P2; + if ((symbol % 2) == 0) { + H = HevenP2; + } else { + H = HoddP2; + } + for (int j = 0; j < C_P2; j++) { + *out++ = in[H[j]]; + } + symbol++; + in += C_P2; } for (int j = 0; j < num_data_symbols; j++) { - if ((symbol % 2) == 0) { - H = Heven; - } - else { - H = Hodd; - } - for (int j = 0; j < C_DATA; j++) { - *out++ = in[H[j]]; - } - symbol++; - in += C_DATA; + if ((symbol % 2) == 0) { + H = Heven; + } else { + H = Hodd; + } + for (int j = 0; j < C_DATA; j++) { + *out++ = in[H[j]]; + } + symbol++; + in += C_DATA; } if (N_FC != 0) { - if ((symbol % 2) == 0) { - H = HevenFC; - } - else { - H = HoddFC; - } - for (int j = 0; j < N_FC; j++) { - *out++ = in[H[j]]; - } - symbol++; - in += N_FC; - } - } - - // Tell runtime system how many output items we produced. - return noutput_items; + if ((symbol % 2) == 0) { + H = HevenFC; + } else { + H = HoddFC; + } + for (int j = 0; j < N_FC; j++) { + *out++ = in[H[j]]; + } + symbol++; + in += N_FC; + } } - const int dvbt2_freqinterleaver_cc_impl::bitperm1keven[9] = - { - 8, 7, 6, 5, 0, 1, 2, 3, 4 - }; + // Tell runtime system how many output items we produced. + return noutput_items; +} - const int dvbt2_freqinterleaver_cc_impl::bitperm1kodd[9] = - { - 6, 8, 7, 4, 1, 0, 5, 2, 3 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm1keven[9] = { 8, 7, 6, 5, 0, 1, 2, 3, 4 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm2keven[10] = - { - 4, 3, 9, 6, 2, 8, 1, 5, 7, 0 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm1kodd[9] = { 6, 8, 7, 4, 1, 0, 5, 2, 3 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm2kodd[10] = - { - 6, 9, 4, 8, 5, 1, 0, 7, 2, 3 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm2keven[10] = { 4, 3, 9, 6, 2, + 8, 1, 5, 7, 0 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm4keven[11] = - { - 6, 3, 0, 9, 4, 2, 1, 8, 5, 10, 7 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm2kodd[10] = { + 6, 9, 4, 8, 5, 1, 0, 7, 2, 3 +}; - const int dvbt2_freqinterleaver_cc_impl::bitperm4kodd[11] = - { - 5, 9, 1, 4, 3, 0, 8, 10, 7, 2, 6 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm4keven[11] = { 6, 3, 0, 9, 4, 2, + 1, 8, 5, 10, 7 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm8keven[12] = - { - 7, 1, 4, 2, 9, 6, 8, 10, 0, 3, 11, 5 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm4kodd[11] = { 5, 9, 1, 4, 3, 0, + 8, 10, 7, 2, 6 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm8kodd[12] = - { - 11, 4, 9, 3, 1, 2, 5, 0, 6, 7, 10, 8 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm8keven[12] = { 7, 1, 4, 2, 9, 6, + 8, 10, 0, 3, 11, 5 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm16keven[13] = - { - 9, 7, 6, 10, 12, 5, 1, 11, 0, 2, 3, 4, 8 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm8kodd[12] = { 11, 4, 9, 3, 1, 2, + 5, 0, 6, 7, 10, 8 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm16kodd[13] = - { - 6, 8, 10, 12, 2, 0, 4, 1, 11, 3, 5, 9, 7 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm16keven[13] = { 9, 7, 6, 10, 12, 5, 1, + 11, 0, 2, 3, 4, 8 }; - const int dvbt2_freqinterleaver_cc_impl::bitperm32k[14] = - { - 7, 13, 3, 4, 9, 2, 12, 11, 1, 8, 10, 0, 5, 6 - }; +const int dvbt2_freqinterleaver_cc_impl::bitperm16kodd[13] = { 6, 8, 10, 12, 2, 0, 4, + 1, 11, 3, 5, 9, 7 }; - } /* namespace dtv */ -} /* namespace gr */ +const int dvbt2_freqinterleaver_cc_impl::bitperm32k[14] = { 7, 13, 3, 4, 9, 2, 12, + 11, 1, 8, 10, 0, 5, 6 }; +} /* namespace dtv */ +} /* namespace gr */ |