kopia lustrzana https://gitlab.com/eliggett/wfview
126 wiersze
3.2 KiB
C++
126 wiersze
3.2 KiB
C++
#ifndef AUDIOHANDLER_H
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#define AUDIOHANDLER_H
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#include <QObject>
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#include <QtMultimedia/QAudioOutput>
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#include <QByteArray>
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#include <QMutex>
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#include <QtEndian>
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#include "rtaudio/RtAudio.h"
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typedef signed short MY_TYPE;
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#define FORMAT RTAUDIO_SINT16
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#define SCALE 32767.0
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#define LOG100 4.60517018599
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#include <QThread>
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#include <QTimer>
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#include <QTime>
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#include <QMap>
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#include "resampler/speex_resampler.h"
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#include "ring/ring.h"
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#include <QDebug>
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//#define BUFFER_SIZE (32*1024)
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#define INTERNAL_SAMPLE_RATE 48000
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#define MULAW_BIAS 33
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#define MULAW_MAX 0x1fff
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struct audioPacket {
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quint32 seq;
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QTime time;
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quint16 sent;
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QByteArray data;
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};
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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 = 0);
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~audioHandler();
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int getLatency();
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bool setDevice(QAudioDeviceInfo deviceInfo);
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void start();
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void flush();
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void stop();
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qint64 bytesAvailable() const;
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bool isSequential() const;
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void getNextAudioChunk(QByteArray &data);
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bool isChunkAvailable();
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private slots:
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bool init(const quint8 bits, const quint8 channels, const quint16 samplerate, const quint16 latency, const bool isulaw, const bool isinput, int port, quint8 resampleQuality);
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void changeLatency(const quint16 newSize);
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void notified();
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void stateChanged(QAudio::State state);
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void setVolume(unsigned char volume);
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void incomingAudio(const audioPacket data);
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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 QByteArray& data);
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private:
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int readData(void* outputBuffer, void* inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status);
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static int staticRead(void* outputBuffer, void* inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status, void* userData) {
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return static_cast<audioHandler*>(userData)->readData(outputBuffer, inputBuffer, nFrames, streamTime, status);
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}
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int writeData(void* outputBuffer, void* inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status);
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static int staticWrite(void* outputBuffer, void* inputBuffer, unsigned int nFrames, double streamTime, RtAudioStreamStatus status, void* userData) {
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return static_cast<audioHandler*>(userData)->writeData(outputBuffer, inputBuffer, nFrames, streamTime, status);
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}
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void reinit();
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bool isInitialized;
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RtAudio audio;
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int audioDevice = 0;
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RtAudio::StreamParameters aParams;
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RtAudio::DeviceInfo info;
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SpeexResamplerState* resampler = Q_NULLPTR;
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bool isUlaw;
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quint16 audioLatency;
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bool isInput; // Used to determine whether input or output audio
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unsigned int chunkSize;
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bool chunkAvailable;
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quint32 lastSeq;
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quint16 radioSampleRate;
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quint8 radioSampleBits;
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quint8 radioChannels;
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QMap<quint32, audioPacket>audioBuffer;
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unsigned int ratioNum;
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unsigned int ratioDen;
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wilt::Ring<audioPacket> *ringBuf=Q_NULLPTR;
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volatile bool ready = false;
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audioPacket tempBuf;
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quint16 currentLatency;
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qreal volume=1.0;
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};
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#endif // AUDIOHANDLER_H
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