annotate base/Resampler.h @ 1111:457a1a619c5f simple-fft-model

Merge from default branch
author Chris Cannam
date Wed, 07 Jan 2015 17:42:21 +0000
parents cc27f35aa75c
children
rev   line source
Chris@297 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@297 2
Chris@297 3 /*
Chris@297 4 Sonic Visualiser
Chris@297 5 An audio file viewer and annotation editor.
Chris@297 6 Centre for Digital Music, Queen Mary, University of London.
Chris@297 7
Chris@297 8 This program is free software; you can redistribute it and/or
Chris@297 9 modify it under the terms of the GNU General Public License as
Chris@297 10 published by the Free Software Foundation; either version 2 of the
Chris@297 11 License, or (at your option) any later version. See the file
Chris@297 12 COPYING included with this distribution for more information.
Chris@297 13 */
Chris@297 14
Chris@297 15 /*
Chris@297 16 This is a modified version of a source file from the
Chris@297 17 Rubber Band audio timestretcher library.
Chris@297 18 This file copyright 2007 Chris Cannam.
Chris@297 19 */
Chris@297 20
Chris@297 21 #ifndef _RESAMPLER_H_
Chris@297 22 #define _RESAMPLER_H_
Chris@297 23
Chris@1038 24 #include "BaseTypes.h"
Chris@1038 25
Chris@297 26 #include <sys/types.h>
Chris@297 27
Chris@297 28 class Resampler
Chris@297 29 {
Chris@297 30 public:
Chris@297 31 enum Quality { Best, FastestTolerable, Fastest };
Chris@297 32
Chris@1038 33 Resampler(Quality quality, int channels, sv_frame_t chunkSize = 0);
Chris@297 34 ~Resampler();
Chris@297 35
Chris@1038 36 sv_frame_t resample(float **in, float **out,
Chris@1038 37 sv_frame_t incount, double ratio,
Chris@1038 38 bool final = false);
Chris@297 39
Chris@1038 40 sv_frame_t resampleInterleaved(float *in, float *out,
Chris@1038 41 sv_frame_t incount, double ratio,
Chris@1038 42 bool final = false);
Chris@297 43
Chris@297 44 void reset();
Chris@297 45
Chris@297 46 protected:
Chris@297 47 class D;
Chris@297 48 D *m_d;
Chris@297 49 };
Chris@297 50
Chris@297 51 #endif