annotate base/Resampler.h @ 319:3ff8f571da09

* Hoist alignment model set/query up to Model, so any models can be aligned * Add Model::aboutToDelete and aboutToBeDeleted for management of models that are contained by or referred to by other models instead of only the document
author Chris Cannam
date Wed, 24 Oct 2007 15:21:38 +0000
parents c022976d18e8
children 6a94bb528e9d
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@297 24 #include <sys/types.h>
Chris@297 25
Chris@297 26 class Resampler
Chris@297 27 {
Chris@297 28 public:
Chris@297 29 enum Quality { Best, FastestTolerable, Fastest };
Chris@297 30
Chris@297 31 Resampler(Quality quality, size_t channels, size_t chunkSize = 0);
Chris@297 32 ~Resampler();
Chris@297 33
Chris@297 34 size_t resample(float **in, float **out,
Chris@297 35 size_t incount, float ratio,
Chris@297 36 bool final = false);
Chris@297 37
Chris@297 38 size_t resampleInterleaved(float *in, float *out,
Chris@297 39 size_t incount, float ratio,
Chris@297 40 bool final = false);
Chris@297 41
Chris@297 42 void reset();
Chris@297 43
Chris@297 44 protected:
Chris@297 45 class D;
Chris@297 46 D *m_d;
Chris@297 47 };
Chris@297 48
Chris@297 49 #endif