sfizz/devtools/CaptureEG.h
2020-04-01 09:40:26 +02:00

83 lines
2.1 KiB
C++

// SPDX-License-Identifier: BSD-2-Clause
// This code is part of the sfizz library and is licensed under a BSD 2-clause
// license. You should have receive a LICENSE.md file along with the code.
// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
#pragma once
#include <QApplication>
#include <QLabel>
#include <QString>
#include <jack/jack.h>
#include <jack/midiport.h>
#include <memory>
#include <atomic>
class QMainWindow;
namespace Ui { class MainWindow; }
class Application : public QApplication {
public:
Application(int& argc, char *argv[]);
~Application();
bool init();
private:
static int processAudio(unsigned numFrames, void* arg);
private:
QMainWindow* _window = nullptr;
std::unique_ptr<Ui::MainWindow> _ui;
QTimer* _sfzUpdateTimer = nullptr;
QTimer* _idleTimer = nullptr;
QString _cacheDir;
QString getSfzPath() const;
QString getSamplePath() const;
void onSfzTextChanged();
void engageCapture();
void saveCapture();
void saveSoundFile(const QString& path, int format);
void savePlotData(const QString& path);
void performSfzUpdate();
void performIdleChecks();
private:
// capture status
enum CaptureStatus { CaptureIdle, CaptureEngaged, CaptureOver };
std::atomic<CaptureStatus> _captureStatus { CaptureIdle };
//
bool _capturing = false;
long _framesLeftToTrigger = 0;
long _framesLeftToRelease = 0;
std::unique_ptr<float[]> _captureBuffer;
size_t _captureCapacity = 0;
size_t _captureMinFrames = 0;
size_t _captureFill = 0;
private:
struct jack_client_delete {
void operator()(jack_client_t* x) const noexcept { jack_client_close(x); }
};
std::unique_ptr<jack_client_t, jack_client_delete> _client;
jack_port_t* _portAudioIn = nullptr;
jack_port_t* _portMidiOut = nullptr;
};
//------------------------------------------------------------------------------
class DragFileLabel : public QLabel {
public:
using QLabel::QLabel;
void setDragFilePath(const QString& path);
void mousePressEvent(QMouseEvent *event) override;
private:
QString _dragFilePath;
};