40 lines
877 B
C++
40 lines
877 B
C++
#ifndef MEASURER_H
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#define MEASURER_H
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#include <QAudioDeviceInfo>
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#include "fft.h"
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enum MeasureChannel
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{
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Left,
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Right
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};
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class Measurer
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{
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// frequency for generating tone
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const int TONE_FREQUENCY = 1000;
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// frequency window width to search for resulting tone
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const int FREQUENCY_GAP = 100;
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// our resulting amplitude should differ at least this times from average
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// to be considered as measured signal
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const float PEAK_LEVEL = 1.0;
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//
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const int SAMPLE_RATE = 44100;
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const float SILENCE_LEVEL = 0.3;
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const float INITIAL_DELAY_PERCENTAGE = 0.3;
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MeasureChannel channel;
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QAudioDeviceInfo input, output;
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bool debug;
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float ProcessData(QByteArray data);
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float ProcessSpectrum(int pow, Complex* d);
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public:
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Measurer(QAudioDeviceInfo input, QAudioDeviceInfo output, MeasureChannel channel, bool debug);
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float Measure(float duration);
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};
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#endif // MEASURER_H
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