Roman Khassraf | 059bab9 | 2015-05-20 12:49:46 +0200 | [diff] [blame] | 1 | /* -*- c++ -*- */ |
| 2 | /* |
| 3 | * @file |
| 4 | * @author Piotr Krysik <ptrkrysik@gmail.com> |
| 5 | * @section LICENSE |
| 6 | * |
| 7 | * Gr-gsm is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 3, or (at your option) |
| 10 | * any later version. |
| 11 | * |
| 12 | * Gr-gsm is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with gr-gsm; see the file COPYING. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifndef INCLUDED_GSM_TCH_F_DECODER_IMPL_H |
| 24 | #define INCLUDED_GSM_TCH_F_DECODER_IMPL_H |
| 25 | |
| 26 | #include "VocoderFrame.h" |
| 27 | #include "GSM610Tables.h" |
| 28 | #include "GSM660Tables.h" |
| 29 | #include "GSM690Tables.h" |
| 30 | #include <grgsm/decoding/tch_f_decoder.h> |
| 31 | |
| 32 | |
| 33 | #define DATA_BLOCK_SIZE 184 |
| 34 | #define PARITY_SIZE 40 |
| 35 | #define FLUSH_BITS_SIZE 4 |
| 36 | #define PARITY_OUTPUT_SIZE (DATA_BLOCK_SIZE + PARITY_SIZE + FLUSH_BITS_SIZE) |
| 37 | |
| 38 | #define CONV_INPUT_SIZE PARITY_OUTPUT_SIZE |
| 39 | #define CONV_SIZE (2 * CONV_INPUT_SIZE) |
| 40 | |
| 41 | #define BLOCKS 8 |
| 42 | #define iBLOCK_SIZE (CONV_SIZE / BLOCKS) |
| 43 | |
| 44 | namespace gr { |
| 45 | namespace gsm { |
| 46 | |
| 47 | class tch_f_decoder_impl : public tch_f_decoder |
| 48 | { |
| 49 | private: |
| 50 | unsigned int d_collected_bursts_num; |
| 51 | unsigned short interleave_trans[CONV_SIZE]; |
| 52 | pmt::pmt_t d_bursts[8]; |
| 53 | FILE * d_speech_file; |
| 54 | enum tch_mode d_tch_mode; |
| 55 | void decode(pmt::pmt_t msg); |
| 56 | public: |
| 57 | tch_f_decoder_impl(tch_mode mode, const std::string &file); |
| 58 | ~tch_f_decoder_impl(); |
| 59 | }; |
| 60 | |
| 61 | } // namespace gsm |
| 62 | } // namespace gr |
| 63 | |
| 64 | #endif /* INCLUDED_GSM_TCH_F_DECODER_IMPL_H */ |
| 65 | |