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| |
| |
| #ifndef WAVHEADER_H |
| #define WAVHEADER_H |
| |
| #include <QtCore/qobject.h> |
| #include <QtCore/qfile.h> |
| #include <qaudioformat.h> |
| |
| /** |
| * Helper class for parsing WAV file headers. |
| * |
| * See https://ccrma.stanford.edu/courses/422/projects/WaveFormat/ |
| */ |
| class WavHeader |
| { |
| public: |
| WavHeader(const QAudioFormat &format = QAudioFormat(), |
| qint64 dataLength = 0); |
| |
| // Reads WAV header and seeks to start of data |
| bool read(QIODevice &device); |
| |
| // Writes WAV header |
| bool write(QIODevice &device); |
| |
| const QAudioFormat& format() const; |
| qint64 dataLength() const; |
| |
| static qint64 headerLength(); |
| |
| static bool writeDataLength(QIODevice &device, qint64 dataLength); |
| |
| private: |
| QAudioFormat m_format; |
| qint64 m_dataLength; |
| }; |
| |
| #endif |
| |