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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only
#ifndef QTEXTTOSPEECHENGINE_FLITE_H
#define QTEXTTOSPEECHENGINE_FLITE_H
#include "qtexttospeech_flite_processor.h"
#include "qtexttospeechengine.h"
#include "qvoice.h"
#include <QtCore/QString>
#include <QtCore/QList>
#include <QtCore/QLocale>
#include <QtCore/QMultiHash>
QT_BEGIN_NAMESPACE
class QTextToSpeechEngineFlite : public QTextToSpeechEngine
{
Q_OBJECT
public:
QTextToSpeechEngineFlite(const QVariantMap ¶meters, QObject *parent);
~QTextToSpeechEngineFlite() override;
// Plug-in API:
QList<QLocale> availableLocales() const override;
QList<QVoice> availableVoices() const override;
void say(const QString &text) override;
void synthesize(const QString &text) override;
void stop(QTextToSpeech::BoundaryHint boundaryHint) override;
void pause(QTextToSpeech::BoundaryHint boundaryHint) override;
void resume() override;
double rate() const override;
bool setRate(double rate) override;
double pitch() const override;
bool setPitch(double pitch) override;
QLocale locale() const override;
bool setLocale(const QLocale &locale) override;
double volume() const override;
bool setVolume(double volume) override;
QVoice voice() const override;
bool setVoice(const QVoice &voice) override;
QTextToSpeech::State state() const override;
QTextToSpeech::ErrorReason errorReason() const override;
QString errorString() const override;
Q_SIGNALS:
void speaking();
void engineErrorOccurred(QTextToSpeech::ErrorReason, const QString &errorString);
private slots:
void changeState(QTextToSpeech::State newState);
void setError(QTextToSpeech::ErrorReason error, const QString &errorString);
private:
QTextToSpeech::State m_state = QTextToSpeech::Error;
QTextToSpeech::ErrorReason m_errorReason = QTextToSpeech::ErrorReason::Initialization;
QString m_errorString;
QVoice m_voice;
double m_rate = 0;
double m_pitch = 1;
double m_volume = 1;
// Voices mapped by their locale name.
QMultiHash<QLocale, QVoice> m_voices;
// Thread for blocking operations
QThread m_thread;
std::unique_ptr<QTextToSpeechProcessorFlite> m_processor;
};
QT_END_NAMESPACE
#endif
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