mirror of
https://github.com/ShaYmez/xlxd.git
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151 lines
5.0 KiB
C++
151 lines
5.0 KiB
C++
//
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// main.h
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// ambed
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//
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// Created by Jean-Luc Deltombe (LX3JL) on 13/04/2017.
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// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
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//
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// ----------------------------------------------------------------------------
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// This file is part of ambed.
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//
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// xlxd is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// xlxd is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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#ifndef main_h
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#define main_h
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#include <vector>
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#include <array>
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#include <map>
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#include <queue>
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#include <chrono>
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#include <thread>
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#include <mutex>
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#include <atomic>
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#include <condition_variable>
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#include <ctime>
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#include <cctype>
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <algorithm>
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#include <arpa/inet.h>
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////////////////////////////////////////////////////////////////////////////////////////
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// defines
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// version -----------------------------------------------------
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#define VERSION_MAJOR 1
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#define VERSION_MINOR 3
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#define VERSION_REVISION 4
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// global ------------------------------------------------------
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//#define RUN_AS_DAEMON
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#define NB_MAX_STREAMS 99
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//#define DEBUG_DUMPFILE
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// Transcoder server --------------------------------------------
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#define TRANSCODER_PORT 10100 // UDP port
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#define TRANSCODER_KEEPALIVE_PERIOD 5 // in seconds
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#define TRANSCODER_KEEPALIVE_TIMEOUT 30 // in seconds
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// Codecs -------------------------------------------------------
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#define CODEC_NONE 0
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#define CODEC_AMBEPLUS 1
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#define CODEC_AMBE2PLUS 2
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// Transcoding speech gains
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#define CODECGAIN_AMBEPLUS -10 // in dB
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#define CODECGAIN_AMBE2PLUS +10 // in dB
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// Transcoding Tweaks
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#define USE_AGC 0
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#define USE_BANDPASSFILTER 1
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// Timeouts -----------------------------------------------------
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#define STREAM_ACTIVITY_TIMEOUT 3 // in seconds
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////////////////////////////////////////////////////////////////////////////////////////
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// typedefs
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint32;
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typedef unsigned int uint;
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////////////////////////////////////////////////////////////////////////////////////////
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// macros
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#define MIN(a,b) ((a) < (b))?(a):(b)
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#define MAX(a,b) ((a) > (b))?(a):(b)
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#define MAKEWORD(low, high) ((uint16)(((uint8)(low)) | (((uint16)((uint8)(high))) << 8)))
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#define MAKEDWORD(low, high) ((uint32)(((uint16)(low)) | (((uint32)((uint16)(high))) << 16)))
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#define LOBYTE(w) ((uint8)(uint16)(w & 0x00FF))
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#define HIBYTE(w) ((uint8)((((uint16)(w)) >> 8) & 0xFF))
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#define LOWORD(dw) ((uint16)(uint32)(dw & 0x0000FFFF))
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#define HIWORD(dw) ((uint16)((((uint32)(dw)) >> 16) & 0xFFFF))
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////////////////////////////////////////////////////////////////////////////////////////
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// FIR Filter coefficients computed to be the closest to the recommended filter in
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// Documentation
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//
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// Following GNU Octave script was used
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/*
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pkg load signal;
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fsamp = 8000;
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fcuts = [200 300 3000 3400];
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mags = [0 1 0];
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devs = [0.2 1 0.2];
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[n,Wn,beta,ftype] = kaiserord(fcuts,mags,devs,fsamp);
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n = n + rem(n,2);
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hh = fir1(n,Wn,ftype,kaiser(n+1,beta),'noscale');
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freqz(hh);
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[H,f] = freqz(hh,1,1024,fsamp);
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plot(f,abs(H))
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disp(hh);
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grid
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*/
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#if USE_BANDPASSFILTER == 1
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const float FILTER_TAPS[] {
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-0.0153779f, 0.0114832f, -0.0060703f, -0.0221526f, 0.0085472f, -0.0449400f,
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-0.0068112f, -0.0307485f, -0.0548559f, -0.0022596f, -0.0879344f, -0.0166698f,
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-0.0533627f, -0.1015552f, 0.0424673f, -0.2116654f, 0.1267453f, 0.7375000f,
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0.1267453f, -0.2116654f, 0.0424673f, -0.1015552f, -0.0533627f, -0.0166698f,
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-0.0879344f, -0.0022596f, -0.0548559f, -0.0307485f, -0.0068112f, -0.0449400f,
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0.0085472f, -0.0221526f, -0.0060703f, 0.0114832f, -0.0153779f };
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#define FILTER_TAPS_LENGTH 35
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#endif
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////////////////////////////////////////////////////////////////////////////////////////
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// global objects
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class CAmbeServer;
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extern CAmbeServer g_AmbeServer;
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class CVocodecs;
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extern CVocodecs g_Vocodecs;
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////////////////////////////////////////////////////////////////////////////////////////
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#endif /* main_h */
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