kopia lustrzana https://github.com/f4exb/sdrangel
160 wiersze
6.4 KiB
C
160 wiersze
6.4 KiB
C
#ifndef DSD_H
|
|
#define DSD_H
|
|
/*
|
|
* Copyright (C) 2010 DSD Author
|
|
* GPG Key ID: 0x3F1D7FD0 (74EF 430D F7F2 0A48 FCE6 F630 FAA2 635D 3F1D 7FD0)
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
|
|
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#define __USE_XOPEN
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#ifdef SOLARIS
|
|
#include <sys/audioio.h>
|
|
#endif
|
|
#if defined(BSD) && !defined(__APPLE__)
|
|
#include <sys/soundcard.h>
|
|
#endif
|
|
#include <math.h>
|
|
#include <mbelib.h>
|
|
#include <sndfile.h>
|
|
|
|
#include "p25p1_heuristics.h"
|
|
|
|
|
|
#define SAMPLE_RATE_IN 48000
|
|
#define SAMPLE_RATE_OUT 8000
|
|
|
|
#ifdef USE_PORTAUDIO
|
|
#include "portaudio.h"
|
|
#define PA_FRAMES_PER_BUFFER 64
|
|
//Buffer needs to be large enough to prevent input buffer overruns while DSD is doing other struff (like outputting voice)
|
|
//else you get skipped samples which result in incomplete/erronous decodes and a mountain of error messages.
|
|
#define PA_LATENCY_IN 0.500
|
|
//Buffer needs to be large enough to prevent output buffer underruns while DSD is doing other stuff (like decoding input)
|
|
//else you get choppy audio and in 'extreme' cases errors.
|
|
//Buffer also needs to be as small as possible so we don't have a lot of audio delay.
|
|
#define PA_LATENCY_OUT 0.100
|
|
#endif
|
|
|
|
/*
|
|
* global variables
|
|
*/
|
|
int exitflag;
|
|
|
|
#include "dsd_opts.h"
|
|
#include "dsd_state.h"
|
|
#include "dsd_livescanner.h"
|
|
|
|
/*
|
|
* Frame sync patterns
|
|
*/
|
|
#define INV_P25P1_SYNC "333331331133111131311111"
|
|
#define P25P1_SYNC "111113113311333313133333"
|
|
|
|
#define X2TDMA_BS_VOICE_SYNC "113131333331313331113311"
|
|
#define X2TDMA_BS_DATA_SYNC "331313111113131113331133"
|
|
#define X2TDMA_MS_DATA_SYNC "313113333111111133333313"
|
|
#define X2TDMA_MS_VOICE_SYNC "131331111333333311111131"
|
|
|
|
#define DSTAR_HD "131313131333133113131111"
|
|
#define INV_DSTAR_HD "313131313111311331313333"
|
|
#define DSTAR_SYNC "313131313133131113313111"
|
|
#define INV_DSTAR_SYNC "131313131311313331131333"
|
|
|
|
#define NXDN_MS_DATA_SYNC "313133113131111333"
|
|
#define INV_NXDN_MS_DATA_SYNC "131311331313333111"
|
|
#define NXDN_MS_VOICE_SYNC "313133113131113133"
|
|
#define INV_NXDN_MS_VOICE_SYNC "131311331313331311"
|
|
#define INV_NXDN_BS_DATA_SYNC "131311331313333131"
|
|
#define NXDN_BS_DATA_SYNC "313133113131111313"
|
|
#define INV_NXDN_BS_VOICE_SYNC "131311331313331331"
|
|
#define NXDN_BS_VOICE_SYNC "313133113131113113"
|
|
|
|
#define DMR_BS_DATA_SYNC "313333111331131131331131"
|
|
#define DMR_BS_VOICE_SYNC "131111333113313313113313"
|
|
#define DMR_MS_DATA_SYNC "311131133313133331131113"
|
|
#define DMR_MS_VOICE_SYNC "133313311131311113313331"
|
|
|
|
#define INV_PROVOICE_SYNC "31313111333133133311331133113311"
|
|
#define PROVOICE_SYNC "13131333111311311133113311331133"
|
|
#define INV_PROVOICE_EA_SYNC "13313133113113333311313133133311"
|
|
#define PROVOICE_EA_SYNC "31131311331331111133131311311133"
|
|
|
|
/*
|
|
* function prototypes
|
|
*/
|
|
void processDMRdata (dsd_opts * opts, dsd_state * state);
|
|
void processDMRvoice (dsd_opts * opts, dsd_state * state);
|
|
void processAudio (dsd_opts * opts, dsd_state * state);
|
|
void writeSynthesizedVoice (dsd_opts * opts, dsd_state * state);
|
|
void playSynthesizedVoice (dsd_opts * opts, dsd_state * state);
|
|
void openAudioOutDevice (dsd_opts * opts, int speed);
|
|
void openAudioInDevice (dsd_opts * opts);
|
|
|
|
int getDibit (dsd_opts * opts, dsd_state * state);
|
|
int get_dibit_and_analog_signal (dsd_opts * opts, dsd_state * state, int * out_analog_signal);
|
|
|
|
void skipDibit (dsd_opts * opts, dsd_state * state, int count);
|
|
void saveImbe4400Data (dsd_opts * opts, dsd_state * state, char *imbe_d);
|
|
void saveAmbe2450Data (dsd_opts * opts, dsd_state * state, char *ambe_d);
|
|
int readImbe4400Data (dsd_opts * opts, dsd_state * state, char *imbe_d);
|
|
int readAmbe2450Data (dsd_opts * opts, dsd_state * state, char *ambe_d);
|
|
void openMbeInFile (dsd_opts * opts, dsd_state * state);
|
|
void closeMbeOutFile (dsd_opts * opts, dsd_state * state);
|
|
void openMbeOutFile (dsd_opts * opts, dsd_state * state);
|
|
void openWavOutFile (dsd_opts * opts, dsd_state * state);
|
|
void closeWavOutFile (dsd_opts * opts, dsd_state * state);
|
|
void printFrameInfo (dsd_opts * opts, dsd_state * state);
|
|
void processFrame (dsd_opts * opts, dsd_state * state);
|
|
void printFrameSync (dsd_opts * opts, dsd_state * state, char *frametype, int offset, char *modulation);
|
|
int getFrameSync (dsd_opts * opts, dsd_state * state);
|
|
int comp (const void *a, const void *b);
|
|
void usage ();
|
|
void sigfun (int sig);
|
|
int main (int argc, char **argv);
|
|
void playMbeFiles (dsd_opts * opts, dsd_state * state, int argc, char **argv);
|
|
void processMbeFrame (dsd_opts * opts, dsd_state * state, char imbe_fr[8][23], char ambe_fr[4][24], char imbe7100_fr[7][24]);
|
|
void openSerial (dsd_opts * opts, dsd_state * state);
|
|
void resumeScan (dsd_opts * opts, dsd_state * state);
|
|
int getSymbol (dsd_opts * opts, dsd_state * state, int have_sync);
|
|
void upsample (dsd_state * state, float invalue);
|
|
void processDSTAR (dsd_opts * opts, dsd_state * state);
|
|
void processNXDNVoice (dsd_opts * opts, dsd_state * state);
|
|
void processNXDNData (dsd_opts * opts, dsd_state * state);
|
|
void processP25lcw (dsd_opts * opts, dsd_state * state, char *lcformat, char *mfid, char *lcinfo);
|
|
void processHDU (dsd_opts * opts, dsd_state * state);
|
|
void processLDU1 (dsd_opts * opts, dsd_state * state);
|
|
void processLDU2 (dsd_opts * opts, dsd_state * state);
|
|
void processTDU (dsd_opts * opts, dsd_state * state);
|
|
void processTDULC (dsd_opts * opts, dsd_state * state);
|
|
void processProVoice (dsd_opts * opts, dsd_state * state);
|
|
void processX2TDMAdata (dsd_opts * opts, dsd_state * state);
|
|
void processX2TDMAvoice (dsd_opts * opts, dsd_state * state);
|
|
void processDSTAR_HD (dsd_opts * opts, dsd_state * state);
|
|
short dmr_filter(short sample);
|
|
short nxdn_filter(short sample);
|
|
|
|
#endif // DSD_H
|