wfview/audiohandler.h

103 wiersze
2.3 KiB
C++

#ifndef AUDIOHANDLER_H
#define AUDIOHANDLER_H
#include <QObject>
#include <QtMultimedia/QAudioOutput>
#include <QMutexLocker>
#include <QByteArray>
#include <QtEndian>
#include <QAudioFormat>
#include <QAudioDeviceInfo>
#include <QAudioOutput>
#include <QAudioInput>
#include <QIODevice>
#include <QThread>
#include <QTimer>
#include <QTime>
#include "resampler/speex_resampler.h"
#include <QDebug>
//#define BUFFER_SIZE (32*1024)
#define INTERNAL_SAMPLE_RATE 48000
struct audioPacket {
quint32 seq;
QTime time;
quint16 sent;
QByteArray datain;
QByteArray dataout;
};
class audioHandler : public QIODevice
{
Q_OBJECT
public:
audioHandler(QObject* parent = 0);
~audioHandler();
void getLatency();
bool setDevice(QAudioDeviceInfo deviceInfo);
void start();
void flush();
void stop();
qint64 readData(char* data, qint64 maxlen);
qint64 writeData(const char* data, qint64 len);
qint64 bytesAvailable() const;
bool isSequential() const;
void getNextAudioChunk(QByteArray &data);
bool isChunkAvailable();
public slots:
bool init(const quint8 bits, const quint8 channels, const quint16 samplerate, const quint16 latency, const bool isulaw, const bool isinput, QString port, quint8 resampleQuality);
void incomingAudio(const audioPacket data);
void changeLatency(const quint16 newSize);
private slots:
void notified();
void stateChanged(QAudio::State state);
void setVolume(unsigned char volume);
signals:
void audioMessage(QString message);
void sendLatency(quint16 newSize);
void haveAudioData(const QByteArray& data);
private:
void reinit();
QMutex mutex;
bool isInitialized;
QAudioOutput* audioOutput;
QAudioInput* audioInput;
bool isUlaw;
quint16 latency;
bool isInput; // Used to determine whether input or output audio
int chunkSize;
bool chunkAvailable;
quint32 lastSeq;
QAudioFormat format;
QAudioDeviceInfo deviceInfo;
quint16 radioSampleRate;
quint8 radioSampleBits;
quint8 radioChannels;
QVector<audioPacket> audioBuffer;
SpeexResamplerState* resampler;
unsigned int ratioNum;
unsigned int ratioDen;
};
#endif // AUDIOHANDLER_H