blob: 8f88b0fa143d42c88d68f678c809a5c906fe1f9a (
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
80
81
82
83
84
|
/*
Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/lib/analyse_audio_job.h
* @brief AnalyseAudioJob class.
*/
#include "job.h"
#include "audio_point.h"
#include "types.h"
#include "dcpomatic_time.h"
#include <leqm_nrt.h>
#include <boost/scoped_ptr.hpp>
class AudioBuffers;
class AudioAnalysis;
class Playlist;
class AudioPoint;
class AudioFilterGraph;
class Filter;
/** @class AnalyseAudioJob
* @brief A job to analyse the audio of a film and make a note of its
* broad peak and RMS levels.
*
* After computing the peak and RMS levels the job will write a file
* to Film::audio_analysis_path.
*/
class AnalyseAudioJob : public Job
{
public:
AnalyseAudioJob (boost::shared_ptr<const Film>, boost::shared_ptr<const Playlist>, bool from_zero);
~AnalyseAudioJob ();
std::string name () const;
std::string json_name () const;
void run ();
boost::filesystem::path path () const {
return _path;
}
private:
void analyse (boost::shared_ptr<const AudioBuffers>, dcpomatic::DCPTime time);
boost::shared_ptr<const Playlist> _playlist;
/** playlist's audio analysis path when the job was created */
boost::filesystem::path _path;
dcpomatic::DCPTime _start;
bool _from_zero;
Frame _done;
Frame _samples_per_point;
AudioPoint* _current;
float* _sample_peak;
Frame* _sample_peak_frame;
boost::shared_ptr<AudioAnalysis> _analysis;
boost::shared_ptr<AudioFilterGraph> _ebur128;
std::vector<Filter const *> _filters;
boost::scoped_ptr<leqm_nrt::Calculator> _leqm;
static const int _num_points;
};
|
