SDRPlusPlus/modules/radio/src/path.h

68 wiersze
1.4 KiB
C++

#pragma once
#include <dsp/filter.h>
#include <dsp/resampling.h>
#include <dsp/source.h>
#include <dsp/math.h>
#include <dsp/demodulator.h>
#include <dsp/routing.h>
#include <dsp/sink.h>
#include <dsp/correction.h>
#include <dsp/vfo.h>
#include <io/audio.h>
#include <module.h>
class SigPath {
public:
SigPath();
void init(std::string vfoName, uint64_t sampleRate, int blockSize, dsp::stream<dsp::complex_t>* input);
void start();
void setSampleRate(float sampleRate);
void setVFOFrequency(uint64_t frequency);
void updateBlockSize();
void setDemodulator(int demod, float bandWidth);
void setDeemphasis(int deemph);
void setBandwidth(float bandWidth);
enum {
DEMOD_FM,
DEMOD_NFM,
DEMOD_AM,
DEMOD_USB,
DEMOD_LSB,
DEMOD_DSB,
_DEMOD_COUNT
};
enum {
DEEMP_50US,
DEEMP_75US,
DEEMP_NONE,
_DEEMP_COUNT
};
dsp::FMDeemphasis deemp;
private:
static int sampleRateChangeHandler(void* ctx, float sampleRate);
dsp::stream<dsp::complex_t> input;
// Demodulators
dsp::FMDemodulator demod;
dsp::AMDemodulator amDemod;
dsp::SSBDemod ssbDemod;
// Audio output
dsp::FloatFIRResampler audioResamp;
std::string vfoName;
float sampleRate;
float bandwidth;
float outputSampleRate;
int blockSize;
int _demod;
int _deemp;
float audioBw;
};