mirror of https://github.com/saitohirga/WSJT-X.git
84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
#ifndef WSV_FILE_HPP__
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#define WSV_FILE_HPP__
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#include <array>
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#include <QFile>
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#include <QAudioFormat>
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#include <QMap>
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#include <QByteArray>
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class QObject;
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class QString;
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class WavFile final
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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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using FileHandleFlags = QFile::FileHandleFlags;
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using Permissions = QFile::Permissions;
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using FileError = QFile::FileError;
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using MemoryMapFlags = QFile::MemoryMapFlags;
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using InfoDictionary = QMap<std::array<char, 4>, QByteArray>;
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explicit WavFile (QAudioFormat const&, QObject * parent = nullptr);
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explicit WavFile (QAudioFormat const&, QString const& name, QObject * parent = nullptr);
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explicit WavFile (QAudioFormat const&, QString const& name, InfoDictionary const&, QObject * parent = nullptr);
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~WavFile ();
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QAudioFormat const& format () const {return format_;}
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qint64 header_length () const {return header_length_;}
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InfoDictionary const& info () const {return info_dictionary_;}
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// Emulate QFile interface
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bool open (OpenMode) override;
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bool open (FILE *, OpenMode, FileHandleFlags = QFile::DontCloseHandle);
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bool open (int fd, OpenMode, FileHandleFlags = QFile::DontCloseHandle);
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bool copy (QString const& new_name);
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// forward to QFile
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bool exists () const {return file_.exists ();}
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bool link (QString const& link_name) {return file_.link (link_name);}
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bool remove () {return file_.remove ();}
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bool rename (QString const& new_name) {return file_.rename (new_name);}
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void setFileName (QString const& name) {file_.setFileName (name);}
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QString symLinkTarget () const {return file_.symLinkTarget ();}
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QString fileName () const {return file_.fileName ();}
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Permissions permissions () const {return file_.permissions ();}
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bool resize (qint64 new_size) {return file_.resize (new_size + header_length_);}
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bool setPermissions (Permissions permissions) {return file_.setPermissions (permissions);}
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FileError error () const {return file_.error ();}
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bool flush () {return file_.flush ();}
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int handle () const {return file_.handle ();}
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uchar * map (qint64 offset, qint64 size, MemoryMapFlags flags = QFile::NoOptions)
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{
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return file_.map (offset, size, flags);
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}
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bool unmap (uchar * address) {return file_.unmap (address);}
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void unsetError () {file_.unsetError ();}
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// QIODevice overrides
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bool isSequential () const override;
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bool reset () override;
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bool seek (qint64) override;
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void close () override;
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protected:
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qint64 readData (char * data, qint64 max_size) override;
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qint64 writeData (char const* data, qint64 max_size) override;
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private:
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bool initialize (OpenMode);
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bool read_header ();
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bool write_header (QAudioFormat);
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bool update_header ();
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bool header_dirty_;
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QAudioFormat format_;
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QFile file_;
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qint64 header_length_;
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InfoDictionary info_dictionary_;
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};
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#endif
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