Piotr Krysik | df97869 | 2017-09-27 21:58:24 +0200 | [diff] [blame] | 1 | /* -*- c++ -*- */ |
| 2 | /* |
| 3 | * @file |
| 4 | * @author (C) 2017 by 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_TIME_SAMPLE_REF_IMPL_H |
| 24 | #define INCLUDED_TIME_SAMPLE_REF_IMPL_H |
| 25 | |
| 26 | #include <stdint.h> |
Piotr Krysik | 1dd2afe | 2017-10-31 12:57:26 +0100 | [diff] [blame] | 27 | #include <grgsm/misc_utils/time_spec.h> |
Piotr Krysik | df97869 | 2017-09-27 21:58:24 +0200 | [diff] [blame] | 28 | |
| 29 | namespace gr { |
| 30 | namespace gsm { |
| 31 | /* |
| 32 | Class for storing time reference and for conversions time<->sample number |
| 33 | */ |
| 34 | class time_sample_ref |
| 35 | { |
| 36 | private: |
| 37 | double d_samp_rate; |
| 38 | time_spec_t d_last_rx_time; |
| 39 | uint64_t d_current_start_offset; |
| 40 | public: |
| 41 | time_sample_ref(double samp_rate); |
| 42 | ~time_sample_ref(); |
| 43 | void update(time_spec_t last_rx_time, uint64_t current_start_offset); |
| 44 | time_spec_t offset_to_time(uint64_t offset); |
| 45 | uint64_t time_to_offset(time_spec_t time); |
| 46 | }; |
| 47 | } // namespace gsm |
| 48 | } // namespace gr |
| 49 | #endif// INCLUDED_TIME_SAMPLE_REF_IMPL_H |