kopia lustrzana https://gitlab.com/eliggett/wfview
134 wiersze
3.1 KiB
C++
134 wiersze
3.1 KiB
C++
#ifndef AUDIOHANDLER_H
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#define AUDIOHANDLER_H
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/* QT Headers */
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#include <QObject>
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#include <QByteArray>
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#include <QMutex>
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#include <QtEndian>
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#include <QtMath>
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#include <QThread>
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#include <QTime>
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#include <QMap>
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#include <QDebug>
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#include <QTimer>
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/* QT Audio Headers */
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#include <QAudioOutput>
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#include <QAudioFormat>
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#include <QAudioDeviceInfo>
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#include <QAudioInput>
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#include <QIODevice>
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/* wfview Packet types */
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#include "packettypes.h"
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/* Logarithmic taper for volume control */
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#include "audiotaper.h"
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/* Audio converter class*/
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#include "audioconverter.h"
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#define MULAW_BIAS 33
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#define MULAW_MAX 0x1fff
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// For QtMultimedia, use a native QIODevice
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//class audioHandler : public QIODevice
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class audioHandler : public QObject
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{
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Q_OBJECT
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public:
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audioHandler(QObject* parent = nullptr);
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virtual ~audioHandler();
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virtual int getLatency();
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virtual void start();
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virtual void stop();
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virtual quint16 getAmplitude();
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public slots:
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virtual bool init(audioSetup setup);
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virtual void changeLatency(const quint16 newSize);
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virtual void setVolume(unsigned char volume);
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virtual void incomingAudio(const audioPacket data);
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virtual void convertedInput(audioPacket audio);
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virtual void convertedOutput(audioPacket audio);
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private slots:
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virtual void stateChanged(QAudio::State state);
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virtual void clearUnderrun();
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virtual void getNextAudioChunk();
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signals:
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void audioMessage(QString message);
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void sendLatency(quint16 newSize);
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void haveAudioData(const audioPacket& data);
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void haveLevels(quint16 amplitude,quint16 latency,quint16 current,bool under,bool over);
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void setupConverter(QAudioFormat in, QAudioFormat out, quint8 opus, quint8 resamp);
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void sendToConverter(audioPacket audio);
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private:
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//qint64 readData(char* data, qint64 nBytes);
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//qint64 writeData(const char* data, qint64 nBytes);
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bool isUnderrun = false;
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bool isOverrun = false;
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bool isInitialized=false;
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bool isReady = false;
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bool audioBuffered = false;
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QAudioOutput* audioOutput=Q_NULLPTR;
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QAudioInput* audioInput=Q_NULLPTR;
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QIODevice* audioDevice=Q_NULLPTR;
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QAudioFormat inFormat;
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QAudioFormat outFormat;
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QAudioDeviceInfo deviceInfo;
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audioConverter* converter=Q_NULLPTR;
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QThread* converterThread = Q_NULLPTR;
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QTime lastReceived;
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//r8b::CFixedBuffer<double>* resampBufs;
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//r8b::CPtrKeeper<r8b::CDSPResampler24*>* resamps;
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quint16 audioLatency;
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quint32 lastSeq;
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quint32 lastSentSeq=0;
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qint64 elapsedMs = 0;
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int delayedPackets=0;
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double resampleRatio;
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volatile bool ready = false;
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audioPacket tempBuf;
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quint16 currentLatency;
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float amplitude=0.0;
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qreal volume = 1.0;
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unsigned char *levelMean = Q_NULLPTR;
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unsigned char *levelPeak = Q_NULLPTR;
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unsigned char levelSize = 50;
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unsigned char levelPosition = 0;
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void computeLevels();
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audioSetup setup;
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OpusEncoder* encoder = Q_NULLPTR;
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OpusDecoder* decoder = Q_NULLPTR;
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QTimer* underTimer;
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};
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#endif // AUDIOHANDLER_H
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