64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
#include <QAudioRecorder>
|
|
#include <QAudioProbe>
|
|
|
|
#include "audio/LinearFilter.hpp"
|
|
#include "audio/ZeroCross.hpp"
|
|
#include "scale/Scale.hpp"
|
|
|
|
class Tuner : public QObject {
|
|
Q_OBJECT
|
|
Q_PROPERTY(bool running READ GetRunning WRITE SetRunning NOTIFY runningChanged)
|
|
Q_PROPERTY(double freq READ GetFreq NOTIFY freqChanged)
|
|
Q_PROPERTY(double deviation READ GetDeviation NOTIFY deviationChanged)
|
|
Q_PROPERTY(int note READ GetNote NOTIFY noteChanged)
|
|
Q_PROPERTY(int octave READ GetOctave NOTIFY octaveChanged)
|
|
Q_PROPERTY(QString noteName READ GetNoteName NOTIFY noteNameChanged)
|
|
|
|
private:
|
|
QAudioRecorder *recorder;
|
|
QAudioEncoderSettings settings;
|
|
QAudioProbe *probe;
|
|
|
|
LinearFilter<int16_t> *high_filter;
|
|
ZeroCross<int16_t> *cross;
|
|
Scale *scale;
|
|
|
|
bool running;
|
|
double freq, deviation;
|
|
int note, octave;
|
|
|
|
static const int rate = 16000;
|
|
static const int defaultNbFrame = 1024;
|
|
static const int defaultFreqMin = 50;
|
|
static const int defaultFreqMax = 2000;
|
|
|
|
inline void ComputeFrame(int16_t v);
|
|
|
|
private slots:
|
|
void AudioCb(const QAudioBuffer &buffer);
|
|
|
|
public:
|
|
Tuner();
|
|
~Tuner();
|
|
|
|
void Start();
|
|
void Stop();
|
|
|
|
void AudioAnalyse(const int16_t *buffer, int size);
|
|
|
|
bool GetRunning();
|
|
void SetRunning(bool r);
|
|
double GetFreq();
|
|
int GetNote();
|
|
int GetOctave();
|
|
double GetDeviation();
|
|
const char* GetNoteName();
|
|
|
|
signals:
|
|
void runningChanged();
|
|
void freqChanged();
|
|
void noteChanged();
|
|
void noteNameChanged();
|
|
void octaveChanged();
|
|
void deviationChanged();
|
|
};
|