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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
Copyright (C) 2013 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 <libcxml/cxml.h>
#include "audio_content.h"
#include "analyse_audio_job.h"
#include "job_manager.h"
#include "film.h"
using std::string;
using boost::shared_ptr;
using boost::lexical_cast;
using boost::dynamic_pointer_cast;
int const AudioContentProperty::AUDIO_CHANNELS = 200;
int const AudioContentProperty::AUDIO_LENGTH = 201;
int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
int const AudioContentProperty::AUDIO_GAIN = 203;
int const AudioContentProperty::AUDIO_DELAY = 204;
int const AudioContentProperty::AUDIO_MAPPING = 205;
AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
: Content (f, s)
, _audio_gain (0)
, _audio_delay (0)
{
}
AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
: Content (f, p)
, _audio_gain (0)
, _audio_delay (0)
{
}
AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
: Content (f, node)
{
_audio_gain = node->number_child<float> ("AudioGain");
_audio_delay = node->number_child<int> ("AudioDelay");
}
void
AudioContent::as_xml (xmlpp::Node* node) const
{
boost::mutex::scoped_lock lm (_mutex);
node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
}
void
AudioContent::set_audio_gain (float g)
{
{
boost::mutex::scoped_lock lm (_mutex);
_audio_gain = g;
}
signal_changed (AudioContentProperty::AUDIO_GAIN);
}
void
AudioContent::set_audio_delay (int d)
{
{
boost::mutex::scoped_lock lm (_mutex);
_audio_delay = d;
}
signal_changed (AudioContentProperty::AUDIO_DELAY);
}
void
AudioContent::analyse_audio (boost::function<void()> finished)
{
shared_ptr<const Film> film = _film.lock ();
if (!film) {
return;
}
shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
job->Finished.connect (finished);
JobManager::instance()->add (job);
}
boost::filesystem::path
AudioContent::audio_analysis_path () const
{
shared_ptr<const Film> film = _film.lock ();
if (!film) {
return boost::filesystem::path ();
}
return film->audio_analysis_path (dynamic_pointer_cast<const AudioContent> (shared_from_this ()));
}
string
AudioContent::technical_summary () const
{
return String::compose ("audio: channels %1, length %2, raw rate %3, out rate %4", audio_channels(), audio_length(), content_audio_frame_rate(), output_audio_frame_rate());
}
|
