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72 lines
2.1 KiB
72 lines
2.1 KiB
/*****************************************************************************
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* equalizer.hpp
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*****************************************************************************
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* Copyright (C) 2003 the VideoLAN team
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* $Id$
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*
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* Authors: Cyril Deguet <asmax@via.ecp.fr>
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef EQUALIZER_HPP
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#define EQUALIZER_HPP
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#include "../utils/var_percent.hpp"
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#include <string>
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/// Variable for graphical equalizer
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class EqualizerBands: public SkinObject, public Observer<VarPercent>
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{
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public:
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/// Number of bands
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static const int kNbBands = 10;
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EqualizerBands( intf_thread_t *pIntf );
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virtual ~EqualizerBands();
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/// Set the equalizer bands from a configuration string,
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/// e.g. "1 5.2 -3.6 0 0 2.5 0 0 0 0"
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void set( string bands );
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/// Return the variable for a specific band
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VariablePtr getBand( int band );
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private:
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/// Array of equalizer bands
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VariablePtr m_cBands[kNbBands];
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/// Flag set when an update is in progress
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bool m_isUpdating;
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/// Callback for band updates
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virtual void onUpdate( Subject<VarPercent> &rBand , void *);
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};
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/// Variable for equalizer preamp
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class EqualizerPreamp: public VarPercent
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{
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public:
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EqualizerPreamp( intf_thread_t *pIntf );
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virtual ~EqualizerPreamp() { }
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virtual void set( float percentage, bool updateVLC );
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void set( float percentage ) { set( percentage, true ); }
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};
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#endif
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