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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdint.h>
#include <cmath>
#include <cassert>
#include <fstream>
#include <boost/filesystem.hpp>
#include "audio_analysis.h"
using std::ostream;
using std::istream;
using std::string;
using std::ofstream;
using std::ifstream;
using std::vector;
using std::cout;
using std::max;
using std::list;
AudioPoint::AudioPoint ()
{
for (int i = 0; i < COUNT; ++i) {
_data[i] = 0;
}
}
AudioPoint::AudioPoint (istream& s)
{
for (int i = 0; i < COUNT; ++i) {
s >> _data[i];
}
}
void
AudioPoint::write (ostream& s) const
{
for (int i = 0; i < COUNT; ++i) {
s << _data[i] << "\n";
}
}
AudioAnalysis::AudioAnalysis (int channels)
{
_data.resize (channels);
}
AudioAnalysis::AudioAnalysis (string filename)
{
ifstream f (filename.c_str ());
int channels;
f >> channels;
_data.resize (channels);
for (int i = 0; i < channels; ++i) {
int points;
f >> points;
for (int j = 0; j < points; ++j) {
_data[i].push_back (AudioPoint (f));
}
}
}
void
AudioAnalysis::add_point (int c, AudioPoint const & p)
{
assert (c < channels ());
_data[c].push_back (p);
}
AudioPoint
AudioAnalysis::get_point (int c, int p) const
{
assert (p < points (c));
return _data[c][p];
}
int
AudioAnalysis::channels () const
{
return _data.size ();
}
int
AudioAnalysis::points (int c) const
{
assert (c < channels ());
return _data[c].size ();
}
void
AudioAnalysis::write (string filename)
{
string tmp = filename + ".tmp";
ofstream f (tmp.c_str ());
f << _data.size() << "\n";
for (vector<vector<AudioPoint> >::iterator i = _data.begin(); i != _data.end(); ++i) {
f << i->size () << "\n";
for (vector<AudioPoint>::iterator j = i->begin(); j != i->end(); ++j) {
j->write (f);
}
}
f.close ();
boost::filesystem::rename (tmp, filename);
}
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