annotate base/Resampler.h @ 418:d35d4e79c95b
* Wait for input to be ready before running real-time effect -- even if
it's a wave file model, because they are now progressively decoded
author |
Chris Cannam |
date |
Wed, 11 Jun 2008 12:53:20 +0000 |
parents |
c022976d18e8 |
children |
6a94bb528e9d |
rev |
line source |
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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7
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8 This program is free software; you can redistribute it and/or
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9 modify it under the terms of the GNU General Public License as
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10 published by the Free Software Foundation; either version 2 of the
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11 License, or (at your option) any later version. See the file
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12 COPYING included with this distribution for more information.
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13 */
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14
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15 /*
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16 This is a modified version of a source file from the
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17 Rubber Band audio timestretcher library.
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18 This file copyright 2007 Chris Cannam.
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19 */
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20
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21 #ifndef _RESAMPLER_H_
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22 #define _RESAMPLER_H_
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23
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24 #include <sys/types.h>
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25
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26 class Resampler
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27 {
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28 public:
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29 enum Quality { Best, FastestTolerable, Fastest };
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30
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31 Resampler(Quality quality, size_t channels, size_t chunkSize = 0);
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32 ~Resampler();
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33
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34 size_t resample(float **in, float **out,
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35 size_t incount, float ratio,
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36 bool final = false);
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37
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38 size_t resampleInterleaved(float *in, float *out,
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39 size_t incount, float ratio,
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40 bool final = false);
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41
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42 void reset();
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43
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44 protected:
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45 class D;
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46 D *m_d;
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47 };
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48
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49 #endif
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