/* * Copyright (C) 2016,2017 by Jonathan Naylor G4KLX * Copyright (C) 2018 by Andy Uribe CA6JAU * Copyright (C) 2020 by Doug McLain AD8DP * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include "MBEVocoder.h" const uint8_t BIT_MASK_TABLE8[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U }; #define WRITE_BIT8(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE8[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE8[(i)&7]) #define READ_BIT8(p,i) (p[(i)>>3] & BIT_MASK_TABLE8[(i)&7]) MBEVocoder::MBEVocoder(void) { m_mbeenc = new MBEEncoder(); m_mbeenc->set_dmr_mode(); m_mbeenc->set_gain_adjust(2.5); md380_init(); } void MBEVocoder::decode_2450(int16_t *pcm, uint8_t *ambe49) { md380_decode(ambe49, pcm); } void MBEVocoder::encode_2450(int16_t *pcm, uint8_t *ambe49) { md380_encode(ambe49, pcm); } void MBEVocoder::encode_dmr(int16_t *pcm, uint8_t *ambe) { m_mbeenc->encode(pcm, ambe); }