Clementine-audio-player-Mac.../3rdparty/libprojectm/Renderer/BeatDetect.hpp

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1.7 KiB
C++
Executable File

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