equalizer.hpp
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
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文件大小:2k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * equalizer.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 18c59d931aa170e4d283a1d2c9e7f535860234a3 $
- *
- * 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