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
121
122
|
/*
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 <boost/filesystem.hpp>
#include "audio_dialog.h"
#include "audio_plot.h"
#include "audio_analysis.h"
#include "film.h"
#include "wx_util.h"
using boost::shared_ptr;
using boost::bind;
AudioDialog::AudioDialog (wxWindow* parent)
: wxDialog (parent, wxID_ANY, _("Audio"), wxDefaultPosition, wxSize (640, 512), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
, _plot (0)
{
wxBoxSizer* sizer = new wxBoxSizer (wxHORIZONTAL);
_plot = new AudioPlot (this);
sizer->Add (_plot, 1);
wxFlexGridSizer* table = new wxFlexGridSizer (2, 6, 6);
add_label_to_sizer (table, this, _("Channel"));
_channel = new wxChoice (this, wxID_ANY);
table->Add (_channel, 1, wxEXPAND | wxALL, 6);
sizer->Add (table);
SetSizer (sizer);
sizer->Layout ();
sizer->SetSizeHints (this);
_channel->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (AudioDialog::channel_changed), 0, this);
}
void
AudioDialog::set_film (boost::shared_ptr<Film> f)
{
_film_changed_connection.disconnect ();
_film_audio_analysis_finished_connection.disconnect ();
_film = f;
try_to_load_analysis ();
setup_channels ();
_channel->SetSelection (0);
_film_changed_connection = _film->Changed.connect (bind (&AudioDialog::film_changed, this, _1));
_film_audio_analysis_finished_connection = _film->AudioAnalysisFinished.connect (bind (&AudioDialog::try_to_load_analysis, this));
}
void
AudioDialog::setup_channels ()
{
_channel->Clear ();
if (!_film->audio_stream()) {
return;
}
for (int i = 0; i < _film->audio_stream()->channels(); ++i) {
_channel->Append (audio_channel_name (i));
}
}
void
AudioDialog::try_to_load_analysis ()
{
shared_ptr<AudioAnalysis> a;
if (boost::filesystem::exists (_film->audio_analysis_path())) {
a.reset (new AudioAnalysis (_film->audio_analysis_path ()));
} else {
if (IsShown ()) {
_film->analyse_audio ();
}
}
_plot->set_analysis (a);
}
void
AudioDialog::channel_changed (wxCommandEvent &)
{
_plot->set_channel (_channel->GetSelection ());
}
void
AudioDialog::film_changed (Film::Property p)
{
switch (p) {
case Film::AUDIO_GAIN:
_plot->set_gain (_film->audio_gain ());
break;
case Film::CONTENT_AUDIO_STREAM:
case Film::EXTERNAL_AUDIO:
case Film::USE_CONTENT_AUDIO:
setup_channels ();
break;
default:
break;
}
}
|
