137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
#pragma once
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#include "ThreadQueue.h"
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#include "CubicSDRDefs.h"
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#include "liquid/liquid.h"
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#include <atomic>
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#include <mutex>
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enum DemodulatorType {
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DEMOD_TYPE_NULL, DEMOD_TYPE_AM, DEMOD_TYPE_FM, DEMOD_TYPE_LSB, DEMOD_TYPE_USB
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};
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class DemodulatorThread;
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class DemodulatorThreadCommand {
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public:
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enum DemodulatorThreadCommandEnum {
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DEMOD_THREAD_CMD_NULL,
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DEMOD_THREAD_CMD_SET_BANDWIDTH,
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DEMOD_THREAD_CMD_SET_FREQUENCY,
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DEMOD_THREAD_CMD_DEMOD_PREPROCESS_TERMINATED,
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DEMOD_THREAD_CMD_DEMOD_TERMINATED,
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DEMOD_THREAD_CMD_AUDIO_TERMINATED
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};
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DemodulatorThreadCommand() :
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cmd(DEMOD_THREAD_CMD_NULL), context(NULL), int_value(0) {
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}
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DemodulatorThreadCommand(DemodulatorThreadCommandEnum cmd) :
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cmd(cmd), context(NULL), int_value(0) {
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}
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DemodulatorThreadCommandEnum cmd;
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void *context;
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int int_value;
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};
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class DemodulatorThreadControlCommand {
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public:
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enum DemodulatorThreadControlCommandEnum {
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DEMOD_THREAD_CMD_CTL_NULL, DEMOD_THREAD_CMD_CTL_SQUELCH_AUTO, DEMOD_THREAD_CMD_CTL_SQUELCH_OFF
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};
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DemodulatorThreadControlCommand() :
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cmd(DEMOD_THREAD_CMD_CTL_NULL) {
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}
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DemodulatorThreadControlCommandEnum cmd;
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};
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class DemodulatorThreadIQData: public ReferenceCounter {
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public:
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unsigned int frequency;
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unsigned int bandwidth;
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std::vector<liquid_float_complex> data;
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DemodulatorThreadIQData() :
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frequency(0), bandwidth(0) {
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}
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~DemodulatorThreadIQData() {
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}
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};
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class DemodulatorThreadPostIQData: public ReferenceCounter {
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public:
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std::vector<liquid_float_complex> data;
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int bandwidth;
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double audio_resample_ratio;
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msresamp_rrrf audio_resampler;
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msresamp_rrrf stereo_resampler;
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double resample_ratio;
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msresamp_crcf resampler;
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DemodulatorThreadPostIQData() :
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bandwidth(0), audio_resample_ratio(0), audio_resampler(NULL), stereo_resampler(NULL), resample_ratio(0), resampler(NULL) {
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}
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~DemodulatorThreadPostIQData() {
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std::lock_guard < std::mutex > lock(m_mutex);
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}
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};
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class DemodulatorThreadAudioData: public ReferenceCounter {
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public:
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unsigned int frequency;
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unsigned int sampleRate;
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unsigned char channels;
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std::vector<float> *data;
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DemodulatorThreadAudioData() :
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frequency(0), sampleRate(0), channels(0), data(NULL) {
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}
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DemodulatorThreadAudioData(unsigned int frequency, unsigned int sampleRate, std::vector<float> *data) :
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frequency(frequency), sampleRate(sampleRate), channels(1), data(data) {
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}
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~DemodulatorThreadAudioData() {
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}
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};
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typedef ThreadQueue<DemodulatorThreadIQData *> DemodulatorThreadInputQueue;
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typedef ThreadQueue<DemodulatorThreadPostIQData *> DemodulatorThreadPostInputQueue;
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typedef ThreadQueue<DemodulatorThreadCommand> DemodulatorThreadCommandQueue;
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typedef ThreadQueue<DemodulatorThreadControlCommand> DemodulatorThreadControlCommandQueue;
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class DemodulatorThreadParameters {
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public:
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unsigned int frequency;
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unsigned int inputRate;
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unsigned int bandwidth; // set equal to disable second stage re-sampling?
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unsigned int audioSampleRate;
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DemodulatorType demodType;
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DemodulatorThreadParameters() :
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frequency(0), inputRate(SRATE), bandwidth(200000), audioSampleRate(
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AUDIO_FREQUENCY), demodType(DEMOD_TYPE_FM) {
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}
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~DemodulatorThreadParameters() {
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}
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};
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