60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
// Copyright (c) Charles J. Cliffe
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// SPDX-License-Identifier: GPL-2.0+
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#include "ModemIQ.h"
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ModemIQ::ModemIQ() {
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}
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std::string ModemIQ::getType() {
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return "analog";
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}
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std::string ModemIQ::getName() {
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return "I/Q";
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}
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ModemBase *ModemIQ::factory() {
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return new ModemIQ;
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}
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ModemKit *ModemIQ::buildKit(long long sampleRate, int audioSampleRate) {
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ModemKit *kit = new ModemKit;
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kit->sampleRate = sampleRate;
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kit->audioSampleRate = audioSampleRate;
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return kit;
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}
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void ModemIQ::disposeKit(ModemKit *kit) {
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delete kit;
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}
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int ModemIQ::checkSampleRate(long long /* sampleRate */, int audioSampleRate) {
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return audioSampleRate;
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}
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int ModemIQ::getDefaultSampleRate() {
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return 48000;
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}
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void ModemIQ::demodulate(ModemKit * /* kit */, ModemIQData *input, AudioThreadInput *audioOut) {
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size_t bufSize = input->data.size();
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if (!bufSize) {
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input->decRefCount();
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return;
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}
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audioOut->channels = 2;
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if (audioOut->data.capacity() < (bufSize * 2)) {
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audioOut->data.reserve(bufSize * 2);
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}
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audioOut->data.resize(bufSize * 2);
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for (size_t i = 0; i < bufSize; i++) {
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audioOut->data[i * 2] = input->data[i].imag;
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audioOut->data[i * 2 + 1] = input->data[i].real;
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}
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}
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