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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 OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QTEXTTOSPEECHPROCESSOR_FLITE_H
++ #define QTEXTTOSPEECHPROCESSOR_FLITE_H
++
++ #include "qtexttospeechengine.h"
++ #include "qvoice.h"
++
++ #include <QtCore/qabstracteventdispatcher.h>
++ #include <QtCore/qbasictimer.h>
++ #include <QtCore/qcoreevent.h>
++ #include <QtCore/qdatetime.h>
++ #include <QtCore/qlibrary.h>
++ #include <QtCore/qlist.h>
++ #include <QtCore/qmutex.h>
++ #include <QtCore/qprocess.h>
++ #include <QtCore/qstring.h>
++ #include <QtCore/qthread.h>
++ #include <QtMultimedia/qaudiosink.h>
++ #include <QtMultimedia/qmediadevices.h>
++
++ #include <flite/flite.h>
++
++ #include <optional>
++
++ QT_BEGIN_NAMESPACE
++
++ class QFliteSynthesisProcess;
++
++ class QTextToSpeechProcessorFlite : public QObject
++ {
++ Q_OBJECT
++
++ public:
++ QTextToSpeechProcessorFlite(QAudioDevice audioDevice);
++ ~QTextToSpeechProcessorFlite();
++
++ struct VoiceInfo
++ {
++ int id;
++ cst_voice *vox;
++ void (*unregister_func)(cst_voice *vox);
++ QString name;
++ QString locale;
++ QVoice::Gender gender;
++ QVoice::Age age;
++ };
++
++ Q_INVOKABLE void say(const QString &text, int voiceId, double pitch, double rate, double volume);
++ Q_INVOKABLE void synthesize(const QString &text, int voiceId, double pitch, double rate, double volume);
++ Q_INVOKABLE void pause(QTextToSpeech::BoundaryHint boundaryHint);
++ Q_INVOKABLE void resume();
++ Q_INVOKABLE void stop(QTextToSpeech::BoundaryHint boundaryHint);
++
++ const QList<QTextToSpeechProcessorFlite::VoiceInfo> &voices() const;
++
++ private:
++ bool init();
++ bool checkVoice(int voiceId);
++
++ void setError(QTextToSpeech::ErrorReason err, const QString &errorString = QString());
++ void updateState(QTextToSpeech::State);
++
++ Q_SIGNALS:
++ void errorOccurred(QTextToSpeech::ErrorReason error, const QString &errorString);
++ void stateChanged(QTextToSpeech::State);
++ void sayingWord(const QString &word, qsizetype begin, qsizetype length);
++ void synthesized(const QAudioFormat &format, const QByteArray &array);
++
++ private:
++ QTextToSpeech::State m_state = {};
++
++ std::unique_ptr<QAudioSink> m_audioSink;
++ const QAudioDevice m_audioDevice;
++ float m_volume = 1.f;
++ std::optional<QAudioFormat> m_synthesisFormat;
++
++ QList<VoiceInfo> m_voices;
++
++ // synthesis process
++ friend class QFliteSynthesisProcess;
++ std::unique_ptr<QFliteSynthesisProcess> m_synthesisProcess;
++
++ void prepareAudioSink(QAudioFormat);
++ };
++
++ QT_END_NAMESPACE
++
++ #endif