Chris@148
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
Chris@148
|
2
|
Chris@148
|
3 /*
|
Chris@148
|
4 Sonic Visualiser
|
Chris@148
|
5 An audio file viewer and annotation editor.
|
Chris@148
|
6 Centre for Digital Music, Queen Mary, University of London.
|
Chris@148
|
7 This file copyright 2006 Chris Cannam.
|
Chris@148
|
8
|
Chris@148
|
9 This program is free software; you can redistribute it and/or
|
Chris@148
|
10 modify it under the terms of the GNU General Public License as
|
Chris@148
|
11 published by the Free Software Foundation; either version 2 of the
|
Chris@148
|
12 License, or (at your option) any later version. See the file
|
Chris@148
|
13 COPYING included with this distribution for more information.
|
Chris@148
|
14 */
|
Chris@148
|
15
|
Chris@148
|
16 #ifndef _FFT_FUZZY_ADAPTER_H_
|
Chris@148
|
17 #define _FFT_FUZZY_ADAPTER_H_
|
Chris@148
|
18
|
Chris@148
|
19 #include "FFTDataServer.h"
|
Chris@148
|
20
|
Chris@148
|
21 class FFTFuzzyAdapter
|
Chris@148
|
22 {
|
Chris@148
|
23 public:
|
Chris@148
|
24 FFTFuzzyAdapter(const DenseTimeValueModel *model,
|
Chris@148
|
25 int channel,
|
Chris@148
|
26 WindowType windowType,
|
Chris@929
|
27 int windowSize,
|
Chris@929
|
28 int windowIncrement,
|
Chris@929
|
29 int fftSize,
|
Chris@148
|
30 bool polar,
|
Chris@929
|
31 int fillFromColumn = 0);
|
Chris@148
|
32 ~FFTFuzzyAdapter();
|
Chris@148
|
33
|
Chris@929
|
34 int getWidth() const {
|
Chris@148
|
35 return m_server->getWidth() >> m_xshift;
|
Chris@148
|
36 }
|
Chris@929
|
37 int getHeight() const {
|
Chris@148
|
38 return m_server->getHeight() >> m_yshift;
|
Chris@148
|
39 }
|
Chris@929
|
40 float getMagnitudeAt(int x, int y) {
|
Chris@148
|
41 return m_server->getMagnitudeAt(x << m_xshift, y << m_yshift);
|
Chris@148
|
42 }
|
Chris@929
|
43 float getNormalizedMagnitudeAt(int x, int y) {
|
Chris@148
|
44 return m_server->getNormalizedMagnitudeAt(x << m_xshift, y << m_yshift);
|
Chris@148
|
45 }
|
Chris@929
|
46 float getMaximumMagnitudeAt(int x) {
|
Chris@148
|
47 return m_server->getMaximumMagnitudeAt(x << m_xshift);
|
Chris@148
|
48 }
|
Chris@929
|
49 float getPhaseAt(int x, int y) {
|
Chris@148
|
50 return m_server->getPhaseAt(x << m_xshift, y << m_yshift);
|
Chris@148
|
51 }
|
Chris@929
|
52 void getValuesAt(int x, int y, float &real, float &imaginary) {
|
Chris@148
|
53 m_server->getValuesAt(x << m_xshift, y << m_yshift, real, imaginary);
|
Chris@148
|
54 }
|
Chris@929
|
55 bool isColumnReady(int x) {
|
Chris@148
|
56 return m_server->isColumnReady(x << m_xshift);
|
Chris@148
|
57 }
|
Chris@929
|
58 bool isLocalPeak(int x, int y) {
|
Chris@148
|
59 float mag = getMagnitudeAt(x, y);
|
Chris@148
|
60 if (y > 0 && mag < getMagnitudeAt(x, y - 1)) return false;
|
Chris@148
|
61 if (y < getHeight() - 1 && mag < getMagnitudeAt(x, y + 1)) return false;
|
Chris@148
|
62 return true;
|
Chris@148
|
63 }
|
Chris@929
|
64 bool isOverThreshold(int x, int y, float threshold) {
|
Chris@148
|
65 return getMagnitudeAt(x, y) > threshold;
|
Chris@148
|
66 }
|
Chris@148
|
67
|
Chris@929
|
68 int getFillCompletion() const { return m_server->getFillCompletion(); }
|
Chris@929
|
69 int getFillExtent() const { return m_server->getFillExtent(); }
|
Chris@148
|
70
|
Chris@148
|
71 private:
|
Chris@148
|
72 FFTFuzzyAdapter(const FFTFuzzyAdapter &); // not implemented
|
Chris@148
|
73 FFTFuzzyAdapter &operator=(const FFTFuzzyAdapter &); // not implemented
|
Chris@148
|
74
|
Chris@148
|
75 FFTDataServer *m_server;
|
Chris@148
|
76 int m_xshift;
|
Chris@148
|
77 int m_yshift;
|
Chris@148
|
78 };
|
Chris@148
|
79
|
Chris@148
|
80 #endif
|