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