/* * Copyright (C) 2019 Kai Ludwig, DG4KLU * (C) 2020-2025 Roger Clark, VK3KYY / G4KYF * * * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 4. Use of this source code or binary releases for commercial purposes is strictly forbidden. This includes, without limitation, * incorporation in a commercial product or incorporation into a product or project which allows commercial use. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef _OPENGD77_CODEC_H_ #define _OPENGD77_CODEC_H_ #include "hardware/HR-C6000.h" #include "functions/sound.h" #if defined(PLATFORM_MD9600) || defined(PLATFORM_MDUV380) || defined(PLATFORM_MD380) || defined(PLATFORM_RT84_DM1701) #define CODEC_LOCATION_1 0x807537C #else #define CODEC_LOCATION_1 0x4400 #define CODEC_LOCATION_2 0x54000 #endif #define CODEC_DECODE_CONFIG_DATA_LENGTH 0x7ec #define CODEC_ENCODE_CONFIG_DATA_LENGTH 0x2000 #define CODEC_ECC_CONFIG_DATA_LENGTH 0x100 #define QUAUX(X) #X #define QU(X) QUAUX(X) #if defined(PLATFORM_MD9600) || defined(PLATFORM_MDUV380) || defined(PLATFORM_MD380) || defined(PLATFORM_RT84_DM1701) #define AMBE_DECODE 0x08075954 #define AMBE_ENCODE 0x080754ac #define AMBE_ENCODE_ECC 0x08075864 #else #define AMBE_DECODE 0x0005543D #define AMBE_ENCODE 0x00054F94 #define AMBE_ENCODE_ECC 0x0005534C #endif extern uint8_t ambebuffer_decode[CODEC_DECODE_CONFIG_DATA_LENGTH]; extern uint8_t ambebuffer_encode[CODEC_ENCODE_CONFIG_DATA_LENGTH]; extern uint8_t ambebuffer_encode_ecc[CODEC_ECC_CONFIG_DATA_LENGTH]; void initFrame(uint8_t *indata, uint16_t bitbufferDecode[49]); void codecInit(bool fromVoicePrompts); bool codecIsAvailable(void); void codecInitInternalBuffers(void); void codecDecode(uint8_t *indata_ptr, int numbBlocks); void codecEncode(uint8_t *outdata_ptr, int numbBlocks); void codecEncodeBlock(uint8_t *outdata_ptr); #endif /* _OPENGD77_CODEC_H_ */