2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <boost/filesystem.hpp>
25 #include "audio_analysis.h"
37 AudioPoint::AudioPoint ()
39 for (int i = 0; i < COUNT; ++i) {
44 AudioPoint::AudioPoint (istream& s)
46 for (int i = 0; i < COUNT; ++i) {
51 AudioPoint::AudioPoint (AudioPoint const & other)
53 for (int i = 0; i < COUNT; ++i) {
54 _data[i] = other._data[i];
59 AudioPoint::operator= (AudioPoint const & other)
65 for (int i = 0; i < COUNT; ++i) {
66 _data[i] = other._data[i];
73 AudioPoint::write (ostream& s) const
75 for (int i = 0; i < COUNT; ++i) {
76 s << _data[i] << "\n";
81 AudioAnalysis::AudioAnalysis (int channels)
83 _data.resize (channels);
86 AudioAnalysis::AudioAnalysis (boost::filesystem::path filename)
88 ifstream f (filename.string().c_str ());
92 _data.resize (channels);
94 for (int i = 0; i < channels; ++i) {
97 for (int j = 0; j < points; ++j) {
98 _data[i].push_back (AudioPoint (f));
104 AudioAnalysis::add_point (int c, AudioPoint const & p)
106 assert (c < channels ());
107 _data[c].push_back (p);
111 AudioAnalysis::get_point (int c, int p) const
113 assert (p < points (c));
118 AudioAnalysis::channels () const
120 return _data.size ();
124 AudioAnalysis::points (int c) const
126 assert (c < channels ());
127 return _data[c].size ();
131 AudioAnalysis::write (boost::filesystem::path filename)
133 string tmp = filename.string() + ".tmp";
135 ofstream f (tmp.c_str ());
136 f << _data.size() << "\n";
137 for (vector<vector<AudioPoint> >::iterator i = _data.begin(); i != _data.end(); ++i) {
138 f << i->size () << "\n";
139 for (vector<AudioPoint>::iterator j = i->begin(); j != i->end(); ++j) {
145 boost::filesystem::rename (tmp, filename);