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/*****************************************************************************
* equalizer.hpp
*****************************************************************************
* Copyright (C) 2003 the VideoLAN team
* $Id$
*
* Authors: Cyril Deguet <asmax@via.ecp.fr>
*
* 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 EQUALIZER_HPP
#define EQUALIZER_HPP
#include "../utils/var_percent.hpp"
#include <string>
/// Variable for graphical equalizer
class EqualizerBands: public SkinObject, public Observer<VarPercent>
{
public:
/// Number of bands
static const int kNbBands = 10;
EqualizerBands( intf_thread_t *pIntf );
virtual ~EqualizerBands();
/// Set the equalizer bands from a configuration string,
/// e.g. "1 5.2 -3.6 0 0 2.5 0 0 0 0"
void set( string bands );
/// Return the variable for a specific band
VariablePtr getBand( int band );
private:
/// Array of equalizer bands
VariablePtr m_cBands[kNbBands];
/// Flag set when an update is in progress
bool m_isUpdating;
/// Callback for band updates
virtual void onUpdate( Subject<VarPercent> &rBand , void *);
};
/// Variable for equalizer preamp
class EqualizerPreamp: public VarPercent
{
public:
EqualizerPreamp( intf_thread_t *pIntf );
virtual ~EqualizerPreamp() { }
virtual void set( float percentage, bool updateVLC );
void set( float percentage ) { set( percentage, true ); }
};
#endif