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76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/* Copyright (C) 2016
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* swift project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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//! \file
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#ifndef BLACKSOUND_THREADEDTONEPAIRPLAYER_H
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#define BLACKSOUND_THREADEDTONEPAIRPLAYER_H
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#include "blacksoundexport.h"
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#include "blacksound/tonepair.h"
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#include "blackmisc/worker.h"
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#include <QAudioDeviceInfo>
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#include <QAudioOutput>
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#include <QBuffer>
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#include <QMap>
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#include <QReadWriteLock>
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#include <QtEndian>
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#include <QtGlobal>
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class QTimer;
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namespace BlackSound
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{
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//! Threaded tone player. Don't use it directly but use \sa CSelcalPlayer instead.
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class BLACKSOUND_EXPORT CThreadedTonePairPlayer : public BlackMisc::CContinuousWorker
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{
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Q_OBJECT
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public:
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//! Constructor
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CThreadedTonePairPlayer(QObject *owner, const QString &name, const QAudioDeviceInfo &device = QAudioDeviceInfo::defaultOutputDevice());
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//! Destructor
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virtual ~CThreadedTonePairPlayer() override;
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public slots:
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//! Play the list of tones.
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//! If the player is currently active, this call will be ignored.
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void play(int volume, const QList<CTonePair> &tonePairs);
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protected slots:
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//! \copydoc BlackMisc::CContinuousWorker::initialize
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virtual void initialize() override;
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private:
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void handleStateChanged(QAudio::State newState);
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void playBuffer();
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QByteArray getAudioByTonePairs(const QList<CTonePair> &tonePairs);
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QByteArray generateAudioFromTonePairs(const CTonePair &tonePair);
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//! Write audio amplitude to data buffer
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//! This method assumes that
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//! \li sampleSize == 16
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//! \li byte order == little endian
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//! \li sample type == signed int
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void writeAmplitudeToBuffer(double amplitude, unsigned char *bufferPointer);
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QAudioDeviceInfo m_deviceInfo;
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QAudioOutput *m_audioOutput = nullptr;
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QByteArray m_bufferData;
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QBuffer m_buffer;
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QMutex m_mutex { QMutex::Recursive };
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QAudioFormat m_audioFormat;
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QMap<CTonePair, QByteArray> m_tonePairCache;
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};
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}
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#endif // guard
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