70 lines
1.4 KiB
C++
70 lines
1.4 KiB
C++
#pragma once
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#include <memory>
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#include <optional>
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#include <tuple>
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#include <QWidget>
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#include <QButtonGroup>
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#include <QTimer>
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#include "audioplayer.h"
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namespace Ui { class TrackDeck; }
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class AudioDecoder;
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class QAudioBuffer;
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struct frame_t;
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class TrackDeck : public QWidget
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{
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Q_OBJECT
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public:
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explicit TrackDeck(QWidget *parent = nullptr);
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~TrackDeck() override;
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void loadTrack(const QString &filename);
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void injectDecodingThread(QThread &thread);
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void writeSamples(frame_t *begin, frame_t *end);
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signals:
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void startDecoding(const QString &filename);
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protected:
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void dragEnterEvent(QDragEnterEvent *event) override;
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void dragLeaveEvent(QDragLeaveEvent *event) override;
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void dropEvent(QDropEvent *event) override;
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private slots:
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void decodingProgress(int progress, int total);
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void decodingFinished(const QAudioBuffer &buffer);
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void scratchBegin();
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void scratchEnd();
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void speedChanged(int value);
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void updatePlayButtonText(bool playing);
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void bpmTap();
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void timeout();
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void updatePlaybackBpm();
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private:
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const std::unique_ptr<Ui::TrackDeck> m_ui;
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QButtonGroup m_loopGroup;
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std::unique_ptr<AudioDecoder> m_decoder;
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AudioPlayer m_player;
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QString m_filename;
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bool m_playingBeforeScratch;
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float m_speedBeforeScratch;
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bool m_stopOnEndBeforeScratch;
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QTimer m_timer;
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std::optional<std::tuple<double, double, int>> m_bpmTap;
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};
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