blob: 5e71705bf3b2dbb25e1ce2ce038e41a4401b28a5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
Copyright (C) 2012-2015 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.
*/
#ifndef DCPOMATIC_AUDIO_ANALYSIS_H
#define DCPOMATIC_AUDIO_ANALYSIS_H
#include "dcpomatic_time.h"
#include "audio_point.h"
#include <libcxml/cxml.h>
#include <boost/optional.hpp>
#include <boost/filesystem.hpp>
#include <vector>
namespace xmlpp {
class Element;
}
class AudioAnalysis : public boost::noncopyable
{
public:
AudioAnalysis (int c);
AudioAnalysis (boost::filesystem::path);
void add_point (int c, AudioPoint const & p);
void set_peak (float peak, DCPTime time) {
_peak = peak;
_peak_time = time;
}
AudioPoint get_point (int c, int p) const;
int points (int c) const;
int channels () const;
boost::optional<float> peak () const {
return _peak;
}
boost::optional<DCPTime> peak_time () const {
return _peak_time;
}
boost::optional<double> analysis_gain () const {
return _analysis_gain;
}
void set_analysis_gain (double gain) {
_analysis_gain = gain;
}
void write (boost::filesystem::path);
private:
std::vector<std::vector<AudioPoint> > _data;
boost::optional<float> _peak;
boost::optional<DCPTime> _peak_time;
/** If this analysis was run on a single piece of
* content we store its gain in dB when the analysis
* happened.
*/
boost::optional<double> _analysis_gain;
};
#endif
|
