75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
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/**
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* projectM -- Milkdrop-esque visualisation SDK
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* Copyright (C)2003-2007 projectM Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* See 'LICENSE.txt' included within this release
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*
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*/
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/**
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* $Id$
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*
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* Beat detection class. Takes decompressed sound buffers and returns
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* various characteristics
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*
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* $Log$
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*
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*/
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#ifndef _BEAT_DETECT_H
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#define _BEAT_DETECT_H
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#include "../PCM.hpp"
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#include "../dlldefs.h"
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class DLLEXPORT BeatDetect
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{
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public:
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float treb ;
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float mid ;
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float bass ;
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float vol_old ;
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float beat_sensitivity;
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float treb_att ;
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float mid_att ;
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float bass_att ;
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float vol;
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PCM *pcm;
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/** Methods */
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BeatDetect(PCM *pcm);
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~BeatDetect();
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void initBeatDetect();
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void reset();
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void detectFromSamples();
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void getBeatVals ( float *vdataL, float *vdataR );
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private:
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/** Vars */
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float beat_buffer[32][80],
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beat_instant[32],
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beat_history[32];
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float beat_val[32],
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beat_att[32],
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beat_variance[32];
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int beat_buffer_pos;
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float vol_buffer[80],
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vol_instant,
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vol_history;
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};
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#endif /** !_BEAT_DETECT_H */
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