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#ifndef AUDIODECODER_H
#define AUDIODECODER_H
#include <QAudioDecoder>
#include <QAudioFormat>
#include <QBuffer>
#include <QIODevice>
#include <QPointer>
class AudioDecoder :
public QIODevice
{
Q_OBJECT
public:
enum State { Decoding, Stopped };
explicit AudioDecoder(QObject *parent = 0);
~AudioDecoder();
bool atEnd() const override;
public slots:
void init(const QAudioFormat &format);
void start(const QString &filePath);
void stop();
protected:
qint64 readData(char* data, qint64 maxlen) override;
qint64 writeData(const char* data, qint64 len) override;
private:
State m_state;
QPointer<QAudioDecoder> m_decoder;
QBuffer m_input;
QBuffer m_output;
QByteArray m_data;
bool m_init;
bool m_isDecodingFinished;
private slots:
void bufferReady();
void finished();
void errored(QAudioDecoder::Error);
signals:
void initialized();
void newData(const QByteArray& data);
};
#endif // AUDIODECODER_H
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