annotate base/Resampler.h @ 1079:6ea7761a418b
Emit a signal if transform fails
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Chris Cannam |
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Wed, 10 Jun 2015 13:11:45 +0100 |
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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 "BaseTypes.h"
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25
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26 #include <sys/types.h>
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27
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28 class Resampler
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29 {
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30 public:
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31 enum Quality { Best, FastestTolerable, Fastest };
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32
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33 Resampler(Quality quality, int channels, sv_frame_t chunkSize = 0);
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34 ~Resampler();
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35
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36 sv_frame_t resample(float **in, float **out,
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37 sv_frame_t incount, double ratio,
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38 bool final = false);
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39
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40 sv_frame_t resampleInterleaved(float *in, float *out,
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41 sv_frame_t incount, double ratio,
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42 bool final = false);
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43
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44 void reset();
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45
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46 protected:
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47 class D;
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48 D *m_d;
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49 };
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50
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51 #endif
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