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71 lines
1.8 KiB
71 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Digital Voice Modem - Common Library
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright (C) 2016 Jonathan Naylor, G4KLX
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*
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*/
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/**
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* @file Audio.h
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* @ingroup p25
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* @file Audio.cpp
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* @ingroup p25
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*/
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#if !defined(__P25_AUDIO_H__)
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#define __P25_AUDIO_H__
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#include "common/Defines.h"
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#include "common/edac/AMBEFEC.h"
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namespace p25
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// ---------------------------------------------------------------------------
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/**
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* @brief Implements P25 audio processing and interleaving.
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* @ingroup p25
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*/
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class HOST_SW_API Audio {
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public:
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/**
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* @brief Initializes a new instance of the Audio class.
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*/
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Audio();
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/**
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* @brief Finalizes a instance of the Audio class.
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*/
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~Audio();
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/**
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* @brief Process P25 IMBE audio data.
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* @param data IMBE audio buffer.
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* @returns uint32_t Number of errors in the audio buffer.
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*/
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uint32_t process(uint8_t* data);
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/**
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* @brief Decode a P25 IMBE audio frame.
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* @param data Interleaved IMBE audio buffer.
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* @param imbe Raw IMBE buffer.
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* @param n Audio sequence.
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*/
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void decode(const uint8_t* data, uint8_t* imbe, uint32_t n);
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/**
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* @brief Encode a P25 IMBE audio frame.
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* @param data Interleaved IMBE audio buffer.
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* @param imbe Raw IMBE buffer.
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* @param n Audio sequence.
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*/
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void encode(uint8_t* data, const uint8_t* imbe, uint32_t n);
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private:
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edac::AMBEFEC m_fec;
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};
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} // namespace p25
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#endif // __P25_AUDIO_H__
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