svcore  1.9
FFTCacheWriter.h
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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