Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:critical reason:data-parser
++
++ #ifndef WAVEDECODER_H
++ #define WAVEDECODER_H
++
++ #include <QtMultimedia/qaudioformat.h>
++ #include <QtCore/qiodevice.h>
++ #include <QtCore/qbytearray.h>
++ #include <memory>
++
++ QT_BEGIN_NAMESPACE
++
++ #if QT_DEPRECATED_SINCE(6, 11)
++
++ class Q_MULTIMEDIA_EXPORT QWaveDecoder : public QIODevice
++ {
++ Q_OBJECT
++
++ public:
++ QT_DEPRECATED_VERSION_X_6_11("QWaveDecoder is deprecated. Please use QAudioDecoder instead.")
++ explicit QWaveDecoder(QIODevice *device, QObject *parent = nullptr);
++ QT_DEPRECATED_VERSION_X_6_11("QWaveDecoder is deprecated. Please use QAudioDecoder instead.")
++ explicit QWaveDecoder(QIODevice *device, const QAudioFormat &format, QObject *parent = nullptr);
++ ~QWaveDecoder() override;
++
++ QAudioFormat audioFormat() const;
++ QIODevice *getDevice();
++ int duration() const;
++ static qint64 headerLength();
++
++ bool open(QIODevice::OpenMode mode) override;
++ void close() override;
++ bool seek(qint64 pos) override;
++ qint64 pos() const override;
++ void setIODevice(QIODevice *device);
++ qint64 size() const override;
++ bool isSequential() const override;
++ qint64 bytesAvailable() const override;
++
++ Q_SIGNALS:
++ void formatKnown();
++ void parsingError();
++
++ private Q_SLOTS:
++ void handleData();
++
++ private:
++ qint64 readData(char *data, qint64 maxlen) override;
++ qint64 writeData(const char *data, qint64 len) override;
++
++ bool writeHeader();
++ bool writeDataLength();
++ void parsingFailed();
++
++ struct chunk
++ {
++ char id[4];
++ quint32 size;
++ };
++
++ struct RIFFHeader
++ {
++ chunk descriptor;
++ char type[4];
++ };
++ struct WAVEHeader
++ {
++ chunk descriptor;
++ quint16 audioFormat;
++ quint16 numChannels;
++ quint32 sampleRate;
++ quint32 byteRate;
++ quint16 blockAlign;
++ quint16 bitsPerSample;
++ };
++
++ struct DATAHeader
++ {
++ chunk descriptor;
++ };
++
++ struct CombinedHeader
++ {
++ RIFFHeader riff;
++ WAVEHeader wave;
++ DATAHeader data;
++ };
++ static const int HeaderLength = sizeof(CombinedHeader);
++
++ bool haveFormat = false;
++ bool haveHeader = false;
++ qint64 dataSize = 0;
++ QIODevice *device = nullptr;
++ QAudioFormat format;
++ std::unique_ptr<QByteArray> m_headerBuf; // accumulates bytes for dr_wav parsing
++ bool m_byteSwap = false; // true when WAV endian != host endian
++
++ # if QT_POINTER_SIZE == 4
++ Q_DECL_UNUSED_MEMBER char m_abiPadding[8];
++ # endif
++ };
++
++ #endif // QT_DEPRECATED_SINCE(6, 11)
++
++ QT_END_NAMESPACE
++
++ #endif // WAVEDECODER_H