svcore
1.9
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 Sonic Visualiser 00005 An audio file viewer and annotation editor. 00006 Centre for Digital Music, Queen Mary, University of London. 00007 This file copyright 2006-2009 Chris Cannam and QMUL. 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License as 00011 published by the Free Software Foundation; either version 2 of the 00012 License, or (at your option) any later version. See the file 00013 COPYING included with this distribution for more information. 00014 */ 00015 00016 #ifndef _FFT_CACHE_WRITER_H_ 00017 #define _FFT_CACHE_WRITER_H_ 00018 00019 #include <stddef.h> 00020 00021 class FFTCacheWriter 00022 { 00023 public: 00024 virtual ~FFTCacheWriter() { } 00025 00026 virtual int getWidth() const = 0; 00027 virtual int getHeight() const = 0; 00028 00029 virtual void setColumnAt(int x, float *mags, float *phases, float factor) = 0; 00030 virtual void setColumnAt(int x, float *reals, float *imags) = 0; 00031 00032 virtual bool haveSetColumnAt(int x) const = 0; 00033 00034 virtual void allColumnsWritten() = 0; // notify cache to close 00035 00036 virtual FFTCache::StorageType getStorageType() const = 0; 00037 }; 00038 00039 #endif 00040