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dsd-fme/include/dsd.h

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#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 //compiler warning on this, needed for strptime, seems benign
#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"
#include <pulse/simple.h> //PULSE AUDIO
#include <pulse/error.h> //PULSE AUDIO
#define SAMPLE_RATE_IN 48000 //48000
#define SAMPLE_RATE_OUT 8000 //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
#ifdef USE_RTLSDR
#include <rtl-sdr.h>
#endif
//look into making this not required by doing ifdef, make new c file for methods, and CLI case option for ncurses terminal
#include <locale.h> //move this stuff to dsd.h
#include <ncurses.h> //move this stuff to dsd.h
/*
* global variables
*/
static volatile int exitflag;
//volatile int exitflag; //didn't work, couldn't build, multiple definitions of exitflag
typedef struct
{
int onesymbol;
char mbe_in_file[1024];
FILE *mbe_in_f;
int errorbars;
int datascope;
int symboltiming;
int verbose;
int p25enc;
int p25lc;
int p25status;
int p25tg;
int scoperate;
char audio_in_dev[1024];
int audio_in_fd;
SNDFILE *audio_in_file;
SF_INFO *audio_in_file_info;
#ifdef USE_PORTAUDIO
PaStream* audio_in_pa_stream;
#endif
uint32_t rtlsdr_center_freq;
int rtlsdr_ppm_error;
int audio_in_type; // 0 for device, 1 for file, 2 for portaudio, 3 for rtlsdr
char audio_out_dev[1024];
int audio_out_fd;
SNDFILE *audio_out_file;
SF_INFO *audio_out_file_info;
#ifdef USE_PORTAUDIO
PaStream* audio_out_pa_stream;
#endif
int audio_out_type; // 0 for device, 1 for file, 2 for portaudio
int split;
int playoffset;
char mbe_out_dir[1024];
char mbe_out_file[1024];
char mbe_out_path[1024];
FILE *mbe_out_f;
float audio_gain;
int audio_out;
char wav_out_file[1024];
SNDFILE *wav_out_f;
//int wav_out_fd;
int serial_baud;
char serial_dev[1024];
int serial_fd;
int resume;
int frame_dstar;
int frame_x2tdma;
int frame_p25p1;
int frame_nxdn48;
int frame_nxdn96;
int frame_dmr;
int frame_provoice;
int mod_c4fm;
int mod_qpsk;
int mod_gfsk;
int uvquality;
int inverted_x2tdma;
int inverted_dmr;
int mod_threshold;
int ssize;
int msize;
int playfiles;
int delay;
int use_cosine_filter;
int unmute_encrypted_p25;
int rtl_dev_index;
int rtl_gain_value;
int rtl_squelch_level;
int rtl_volume_multiplier;
int rtl_udp_port;
int rtl_bandwidth;
int monitor_input_audio;
int pulse_raw_rate_in;
int pulse_raw_rate_out;
int pulse_digi_rate_in;
int pulse_digi_rate_out;
int pulse_raw_in_channels;
int pulse_raw_out_channels;
int pulse_digi_in_channels;
int pulse_digi_out_channels;
int pulse_flush;
pa_simple *pulse_raw_dev_in;
pa_simple *pulse_raw_dev_out;
pa_simple *pulse_digi_dev_in;
pa_simple *pulse_digi_dev_out;
int use_ncurses_terminal;
} dsd_opts;
typedef struct
{
int *dibit_buf;
int *dibit_buf_p;
int repeat;
short *audio_out_buf;
short *audio_out_buf_p;
float *audio_out_float_buf;
float *audio_out_float_buf_p;
float audio_out_temp_buf[160];
float *audio_out_temp_buf_p;
int audio_out_idx;
int audio_out_idx2;
//int wav_out_bytes;
int center;
int jitter;
int synctype;
int min;
int max;
int lmid;
int umid;
int minref;
int maxref;
int lastsample;
int sbuf[128];
int sidx;
int maxbuf[1024];
int minbuf[1024];
int midx;
char err_str[64];
char fsubtype[16];
char ftype[16];
int symbolcnt;
int rf_mod;
int numflips;
int lastsynctype;
int lastp25type;
int offset;
int carrier;
char tg[25][16];
int tgcount;
int lasttg;
int lastsrc;
int nac;
int errs;
int errs2;
int mbe_file_type;
int optind;
int numtdulc;
int firstframe;
char slot0light[8];
char slot1light[8];
float aout_gain;
float aout_max_buf[200];
float *aout_max_buf_p;
int aout_max_buf_idx;
int samplesPerSymbol;
int symbolCenter;
char algid[9];
char keyid[17];
int currentslot;
mbe_parms *cur_mp;
mbe_parms *prev_mp;
mbe_parms *prev_mp_enhanced;
int p25kid;
unsigned int debug_audio_errors;
unsigned int debug_header_errors;
unsigned int debug_header_critical_errors;
// Last dibit read
int last_dibit;
// Heuristics state data for +P5 signals
P25Heuristics p25_heuristics;
// Heuristics state data for -P5 signals
P25Heuristics inv_p25_heuristics;
//input sample buffer for monitoring Input
short input_sample_buffer; //HERE HERE
short pulse_raw_out_buffer; //HERE HERE
//float *input_sample_buffer; //HERE HERE
#ifdef TRACE_DSD
char debug_prefix;
char debug_prefix_2;
unsigned int debug_sample_index;
unsigned int debug_sample_left_edge;
unsigned int debug_sample_right_edge;
FILE* debug_label_file;
FILE* debug_label_dibit_file;
FILE* debug_label_imbe_file;
#endif
} dsd_state;
/*
* 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"
// original sync numbers which is FSW plus LICH
#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"
//Try using only FSW and no LICH
/*
#define NXDN_MS_DATA_SYNC "3131331131"
#define INV_NXDN_MS_DATA_SYNC "1313113313"
#define NXDN_MS_VOICE_SYNC "313133113131113133"
#define INV_NXDN_MS_VOICE_SYNC "131311331313331311"
#define INV_NXDN_BS_DATA_SYNC "1313113313"
#define NXDN_BS_DATA_SYNC "3131331131"
#define INV_NXDN_BS_VOICE_SYNC "131311331313331331"
#define NXDN_BS_VOICE_SYNC "313133113131113113"
//how do two values equate to 4 symbol types? shouldn't it be -3, -1, 1, 3?
*/
#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 playRawAudio (dsd_opts * opts, dsd_state * state); //added this one HERE HERE
void openPulseInput (dsd_opts * opts); //not sure if we need to just pass opts, or opts and state yet
void openPulseOutput (dsd_opts * opts); //not sure if we need to just pass opts, or opts and state yet
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 noCarrier (dsd_opts * opts, dsd_state * state);
void initOpts (dsd_opts * opts);
void initState (dsd_state * state);
void usage ();
void liveScanner (dsd_opts * opts, dsd_state * state);
void cleanupAndExit (dsd_opts * opts, dsd_state * state);
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);
//borrow from LEH for testing 'improved NXDN detection'
int strncmperr(const char *s1, const char *s2, size_t size, int MaxErr);
//
//ifdef ncurses
void ncursesOpen ();
void ncursesPrinter (dsd_opts * opts, dsd_state * state);
void ncursesClose ();
//endif ncurses
#ifdef __cplusplus
extern "C" {
#endif
void open_rtlsdr_stream(dsd_opts *opts);
void cleanup_rtlsdr_stream();
void get_rtlsdr_sample(int16_t *sample);
void rtlsdr_sighandler();
#ifdef __cplusplus
}
#endif
#endif // DSD_H
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