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"
35 AudioPoint::AudioPoint ()
37 for (int i = 0; i < COUNT; ++i) {
42 AudioPoint::AudioPoint (istream& s)
44 for (int i = 0; i < COUNT; ++i) {
50 AudioPoint::write (ostream& s) const
52 for (int i = 0; i < COUNT; ++i) {
53 s << _data[i] << "\n";
58 AudioAnalysis::AudioAnalysis (int channels)
60 _data.resize (channels);
63 AudioAnalysis::AudioAnalysis (string filename)
65 ifstream f (filename.c_str ());
69 _data.resize (channels);
71 for (int i = 0; i < channels; ++i) {
74 for (int j = 0; j < points; ++j) {
75 _data[i].push_back (AudioPoint (f));
81 AudioAnalysis::add_point (int c, AudioPoint const & p)
83 assert (c < int (_data.size ()));
84 _data[c].push_back (p);
88 AudioAnalysis::get_point (int c, int p) const
90 assert (c < int (_data.size ()));
91 assert (p < int (_data[c].size ()));
96 AudioAnalysis::points (int c) const
98 assert (c < int (_data.size ()));
99 return _data[c].size ();
103 AudioAnalysis::write (string filename)
105 string tmp = filename + ".tmp";
107 ofstream f (tmp.c_str ());
108 f << _data.size() << "\n";
109 for (vector<vector<AudioPoint> >::iterator i = _data.begin(); i != _data.end(); ++i) {
110 f << i->size () << "\n";
111 for (vector<AudioPoint>::iterator j = i->begin(); j != i->end(); ++j) {
117 boost::filesystem::rename (tmp, filename);