/usr/include/qmmp/volume.h is in libqmmp-dev 0.7.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2012 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef VOLUME_H
#define VOLUME_H
/*! @brief The VolumeSettings structure stores volume levels
* @author Ilya Kotov <forkotov02@hotmail.ru>
*/
struct VolumeSettings
{
/*!
* Constructor
*/
VolumeSettings()
{
left = 0;
right = 0;
}
int left /*!< Volume of the left channel. It should be \b 0..100. */;
int right /*!< Volume of the left channel It should be \b 0..100. */;
};
/*! @brief The Volume class provides asbtract volume interface
* @author Ilya Kotov <forkotov02@hotmail.ru>
*/
class Volume
{
public:
/*!
* Destructor.
*/
virtual ~Volume(){}
/*!
* Setups volume levels.
* Subclass should reimplement this fucntion.
* @param volume Structure with required volume levels.
*/
virtual void setVolume(const VolumeSettings &volume) = 0;
/*!
* Returns volume level of the \b channel.
*/
virtual VolumeSettings volume() const = 0;
};
#endif // VOLUME_H
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