AudioOutput.h

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#pragma once
 
#include <QtCore/QLoggingCategory>
#include <QtCore/QObject>
 
class QTextToSpeech;
class Fact;
class AudioOutputTest;
 
Q_DECLARE_LOGGING_CATEGORY(AudioOutputLog)
 
 
class AudioOutput : public QObject
{
    Q_OBJECT
 
    friend AudioOutputTest;
 
public:
    enum class TextMod {
        None = 0,
        Translate = 1 << 0,
    };
    Q_FLAG(TextMod)
    Q_DECLARE_FLAGS(TextMods, TextMod)
 
    
    explicit AudioOutput(QObject *parent = nullptr);
 
    ~AudioOutput();
 
    static AudioOutput *instance();
 
    void init(Fact *mutedFact);
 
    bool isMuted() const { return _muted; }
 
    void setMuted(bool muted);
 
    void say(const QString &text, TextMods textMods = TextMod::None);
 
private:
    QTextToSpeech *_engine = nullptr;
    QAtomicInteger<qsizetype> _textQueueSize = 0;
    bool _initialized = false;
    std::atomic_bool _muted = false;
 
    static const QHash<QString, QString> _textHash;
 
    static constexpr qsizetype kMaxTextQueueSize = 20;
 
    static QString _fixTextMessageForAudio(const QString &string);
 
    static QString _replaceAbbreviations(const QString &input);
 
    static QString _replaceNegativeSigns(const QString &input);
 
    static QString _replaceDecimalPoints(const QString &input);
 
    static QString _replaceMeters(const QString &input);
 
    static QString _convertMilliseconds(const QString &input);
 
    static bool _getMillisecondString(const QString &string, QString &match, int &number);
 
};
Q_DECLARE_OPERATORS_FOR_FLAGS(AudioOutput::TextMods)