Tuner: analyse and record audio cmd-line option for debug
./tuner file.raw: analyse file ./tuner record out.raw: record audio stream
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parent
e0e717e9c5
commit
e0aef524f6
4 changed files with 61 additions and 26 deletions
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@ -6,6 +6,9 @@
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#include <QDBusConnection>
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#include <QDBusInterface>
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#include <iostream>
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#include <fstream>
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#include "Tuner.hpp"
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using namespace std;
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@ -14,6 +17,8 @@ using namespace std;
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static double a10[] = { 1 , -2.99214602, 2.98432286, -0.99217678 };
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static double b10[] = { 0.99608071, -2.98824212, 2.98824212, -0.99608071 };
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const char * Tuner::filename_record = NULL;
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// function to prevent screen blank
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static void blank_prevent(bool prevent)
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@ -37,6 +42,8 @@ Tuner::Tuner()
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found = false;
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count_found = count_not_found = 0;
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if (filename_record) file_record.open(filename_record);
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high_filter = new LinearFilter<int16_t>(3, a10, b10);
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ZeroCross<int16_t>::Config cross_config({rate, defaultNbFrame, defaultFreqMin, defaultFreqMax});
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@ -63,6 +70,7 @@ Tuner::Tuner()
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Tuner::~Tuner()
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{
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if (filename_record && file_record.is_open()) file_record.close();
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delete high_filter;
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delete cross;
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delete recorder;
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@ -176,6 +184,8 @@ void Tuner::AudioAnalyse(const int16_t *ptr, int nb_frame)
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{
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nb_sample_running += nb_frame;
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if (filename_record && file_record.is_open()) file_record.write((char*) ptr, nb_frame * sizeof(int16_t));
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while (nb_frame--) ComputeFrame(*ptr++);
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if (freq != cross->Freq()) {
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@ -241,3 +251,36 @@ bool Tuner::GetFound()
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{
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return found;
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}
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/// Set a filename to record raw audio stream
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void Tuner::set_record(const char *f)
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{
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filename_record = f;
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}
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/// analyse a file (static function)
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void Tuner::analyse_file(const char *filename)
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{
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cout << "analyse file " << filename << endl;
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ifstream fin;
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fin.open(filename);
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const int nb_frame = 1024;
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Tuner *tuner = new Tuner();
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int16_t buffer[nb_frame];
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while (1) {
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fin.read((char*) buffer, sizeof(buffer));
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tuner->AudioAnalyse(buffer, sizeof(buffer) >> 1);
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cout << tuner->GetFreq() << " ";
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if (tuner->GetFound())
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cout << tuner->GetNoteName() << " " << tuner->GetOctave() << " " << tuner->GetDeviation();
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cout << endl;
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if (fin.eof()) break;
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}
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fin.close();
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delete tuner;
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}
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@ -1,6 +1,8 @@
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#include <QAudioRecorder>
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#include <QAudioProbe>
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#include <fstream>
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#include "audio/LinearFilter.hpp"
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#include "audio/ZeroCross.hpp"
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#include "scale/Scale.hpp"
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@ -23,6 +25,8 @@ class Tuner : public QObject {
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LinearFilter<int16_t> *high_filter;
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ZeroCross<int16_t> *cross;
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Scale *scale;
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static const char *filename_record;
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std::ofstream file_record;
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bool running, found;
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double freq, deviation;
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@ -72,6 +76,11 @@ class Tuner : public QObject {
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bool GetFound();
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const char* GetNoteName();
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/// analyse a file for debug
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static void analyse_file(const char *filename);
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/// write a file with raw audio
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static void set_record(const char *filename_record);
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signals:
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void runningChanged();
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void freqChanged();
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@ -7,35 +7,10 @@
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#include "Tuner.hpp"
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static void analyse_file(const char *filename)
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{
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using namespace std;
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cout << "analyse file " << filename << endl;
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ifstream fin;
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fin.open(filename);
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const int nb_frame = 1024;
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Tuner *tuner = new Tuner();
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int16_t buffer[nb_frame];
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while (1) {
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fin.read((char*) buffer, sizeof(buffer));
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tuner->AudioAnalyse(buffer, sizeof(buffer) >> 1);
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cout << tuner->GetFreq() << " ";
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if (tuner->GetFound())
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cout << tuner->GetNoteName() << " " << tuner->GetOctave() << " " << tuner->GetDeviation();
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cout << endl;
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if (fin.eof()) break;
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}
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delete tuner;
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}
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Q_DECL_EXPORT int main(int argc, char* argv[])
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{
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if (argc == 2) {
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analyse_file(argv[1]);
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Tuner::analyse_file(argv[1]);
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return 0;
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}
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@ -27,6 +27,14 @@ class Main {
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Q_DECL_EXPORT int main(int argc, char* argv[])
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{
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if (argc == 2) {
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Tuner::analyse_file(argv[1]);
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return 0;
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}
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else if (argc == 3 && strcmp(argv[1], "record") == 0) {
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Tuner::set_record(argv[2]);
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}
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qmlRegisterType<Tuner>("harbour.sailtuner.tuner", 1, 0, "Tuner");
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Main *appli = new Main(argc, argv);
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return appli->Launch();
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