CubicSDR/src/modules/modem/analog/ModemDSB.cpp

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901 B
C++

// Copyright (c) Charles J. Cliffe
// SPDX-License-Identifier: GPL-2.0+
#include "ModemDSB.h"
ModemDSB::ModemDSB() : ModemAnalog() {
demodAM_DSB = ampmodem_create(0.5, 0.0, LIQUID_AMPMODEM_DSB, 1);
useSignalOutput(true);
}
ModemDSB::~ModemDSB() {
ampmodem_destroy(demodAM_DSB);
}
ModemBase *ModemDSB::factory() {
return new ModemDSB;
}
std::string ModemDSB::getName() {
return "DSB";
}
int ModemDSB::getDefaultSampleRate() {
return 5400;
}
void ModemDSB::demodulate(ModemKit *kit, ModemIQData *input, AudioThreadInput *audioOut) {
ModemKitAnalog *amkit = (ModemKitAnalog *)kit;
initOutputBuffers(amkit, input);
if (!bufSize) {
input->decRefCount();
return;
}
for (size_t i = 0; i < bufSize; i++) {
ampmodem_demodulate(demodAM_DSB, input->data[i], &demodOutputData[i]);
}
buildAudioOutput(amkit, audioOut, true);
}