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https://github.com/AlexandreRouma/SDRPlusPlus.git
synced 2025-07-10 11:05:22 +02:00
Switch old radio module to new radio module
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117
decoder_modules/radio/src/demodulators/wfm.h
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117
decoder_modules/radio/src/demodulators/wfm.h
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#pragma once
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#include "../demod.h"
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#include <dsp/demodulator.h>
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#include <dsp/filter.h>
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namespace demod {
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class WFM : public Demodulator {
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public:
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WFM() {}
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WFM(std::string name, ConfigManager* config, dsp::stream<dsp::complex_t>* input, double bandwidth, EventHandler<dsp::stream<dsp::stereo_t>*> outputChangeHandler, double audioSR) {
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init(name, config, input, bandwidth, outputChangeHandler, audioSR);
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}
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~WFM() {
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stop();
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}
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void init(std::string name, ConfigManager* config, dsp::stream<dsp::complex_t>* input, double bandwidth, EventHandler<dsp::stream<dsp::stereo_t>*> outputChangeHandler, double audioSR) {
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this->name = name;
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this->outputChangeHandler = outputChangeHandler;
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_config = config;
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// Load config
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_config->acquire();
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bool modified =false;
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if (!config->conf[name].contains(getName())) {
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config->conf[name][getName()]["stereo"] = false;
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modified = true;
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}
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if (config->conf[name][getName()].contains("stereo")) {
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stereo = config->conf[name][getName()]["stereo"];
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}
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_config->release(modified);
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// Define structure
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demod.init(input, getIFSampleRate(), bandwidth / 2.0f);
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demodStereo.init(input, getIFSampleRate(), bandwidth / 2.0f);
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}
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void start() {
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stereo ? demodStereo.start() : demod.start();
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}
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void stop() {
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demod.stop();
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demodStereo.stop();
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}
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void showMenu() {
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if (ImGui::Checkbox(("Stereo##_radio_wfm_stereo_" + name).c_str(), &stereo)) {
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setStereo(stereo);
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_config->acquire();
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_config->conf[name][getName()]["stereo"] = stereo;
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_config->release(true);
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}
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}
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void setBandwidth(double bandwidth) {
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demod.setDeviation(bandwidth / 2.0f);
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demodStereo.setDeviation(bandwidth / 2.0f);
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}
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void setInput(dsp::stream<dsp::complex_t>* input) {
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demod.setInput(input);
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demodStereo.setInput(input);
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}
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void AFSampRateChanged(double newSR) {}
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// ============= INFO =============
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const char* getName() { return "WFM"; }
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double getIFSampleRate() { return 250000.0; }
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double getAFSampleRate() { return getIFSampleRate(); }
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double getDefaultBandwidth() { return 150000.0; }
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double getMinBandwidth() { return 50000.0; }
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double getMaxBandwidth() { return getIFSampleRate(); }
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bool getBandwidthLocked() { return false; }
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double getMaxAFBandwidth() { return 16000.0; }
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double getDefaultSnapInterval() { return 100000.0; }
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int getVFOReference() { return ImGui::WaterfallVFO::REF_CENTER; }
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bool getDeempAllowed() { return true; }
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bool getPostProcEnabled() { return true; }
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int getDefaultDeemphasisMode() { return DEEMP_MODE_50US; }
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double getAFBandwidth(double bandwidth) { return 16000.0; }
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bool getDynamicAFBandwidth() { return false; }
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dsp::stream<dsp::stereo_t>* getOutput() { return stereo ? demodStereo.out : &demod.out; }
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// ============= DEDICATED FUNCTIONS =============
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void setStereo(bool _stereo) {
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stereo = _stereo;
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if (stereo) {
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demod.stop();
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outputChangeHandler.handler(demodStereo.out, outputChangeHandler.ctx);
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demodStereo.start();
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}
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else {
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demodStereo.stop();
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outputChangeHandler.handler(&demod.out, outputChangeHandler.ctx);
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demod.start();
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}
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}
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private:
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dsp::FMDemod demod;
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dsp::StereoFMDemod demodStereo;
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ConfigManager* _config = NULL;
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bool stereo = false;
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std::string name;
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EventHandler<dsp::stream<dsp::stereo_t>*> outputChangeHandler;
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};
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}
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