mirror of
https://invent.kde.org/graphics/okular
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127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
/***************************************************************************
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* Copyright (C) 2006 by Pino Toscano <pino@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef _OKULAR_SOUND_H_
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#define _OKULAR_SOUND_H_
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#include "okular_export.h"
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#include <QtCore/QByteArray>
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#include <QtCore/QString>
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namespace Okular {
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/**
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* @short Contains information about a sound object.
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*
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* This class encapsulates the information about a sound object
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* which is used for links on enter/leave page event.
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*/
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class OKULAR_EXPORT Sound
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{
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public:
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/**
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* Describes where the sound is stored.
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*/
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enum SoundType {
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External, ///< Is stored at external resource (e.g. url)
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Embedded ///< Is stored embedded in the document
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};
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/**
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* Describes the encoding of the sound data.
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*/
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enum SoundEncoding {
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Raw, ///< Is not encoded
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Signed, ///< Is encoded with twos-complement values
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muLaw, ///< Is µ-law encoded
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ALaw ///< Is A-law encoded
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};
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/**
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* Creates a new sound object with the given embedded
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* sound @p data.
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*/
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Sound( const QByteArray& data );
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/**
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* Creates a new sound object with the given external @p filename.
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*/
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Sound( const QString& filename );
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/**
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* Destroys the sound object.
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*/
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~Sound();
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/**
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* Returns the type of the sound object.
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*/
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SoundType soundType() const;
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/**
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* Returns the external storage url of the sound data.
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*/
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QString url() const;
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/**
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* Returns the embedded sound data.
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*/
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QByteArray data() const;
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/**
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* Sets the sampling @p rate.
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*/
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void setSamplingRate( double rate );
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/**
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* Returns the sampling rate.
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*/
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double samplingRate() const;
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/**
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* Sets the number of @p channels.
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*/
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void setChannels( int channels );
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/**
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* Returns the number of channels.
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*/
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int channels() const;
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/**
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* Sets the bits per sample @rate.
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*/
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void setBitsPerSample( int rate );
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/**
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* Returns the bits per sample rate.
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*/
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int bitsPerSample() const;
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/**
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* Sets the type of sound @p encoding.
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*/
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void setSoundEncoding( SoundEncoding encoding );
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/**
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* Returns the sound encoding.
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*/
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SoundEncoding soundEncoding() const;
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private:
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class Private;
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Private* const d;
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Q_DISABLE_COPY( Sound )
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};
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}
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#endif
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