60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* 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; see the file COPYING. 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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/*******************************************************************************/
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#pragma once
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#include <stdlib.h>
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struct Peak {
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float min;
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float max;
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};
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class Peaks
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{
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struct peaks {
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int chunksize; /* should always be a power of 2 */
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Peak data[];
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};
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peaks *_peaks;
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size_t _len;
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public:
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Peaks ( void )
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{
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_peaks = new peaks;
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_peaks->chunksize = 0;
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// _peaks->data = NULL;
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_len = 0;
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}
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void downsample ( int s, int e, float *mhi, float *mlo ) const;
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void read ( int X, float *hi, float *lo ) const;
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bool open ( const char *filename );
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Peak & operator[] ( int X ) const;
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};
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