blob: f912c473cd5d7e37513cb7fa4a93df133d2c93d6 (
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
85
86
87
88
89
90
91
92
93
94
|
/*
Copyright (C) 2012-2018 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/>.
*/
#include "decoder.h"
#include "video_decoder.h"
#include "audio_decoder.h"
#include "text_decoder.h"
#include <boost/optional.hpp>
#include <iostream>
using std::cout;
using boost::optional;
using boost::shared_ptr;
using boost::weak_ptr;
using namespace dcpomatic;
Decoder::Decoder (weak_ptr<const Film> film)
: _film (film)
{
}
/** @return Earliest time of content that the next pass() will emit */
ContentTime
Decoder::position () const
{
optional<ContentTime> pos;
shared_ptr<const Film> f = film();
if (video && !video->ignore() && (!pos || video->position(f) < *pos)) {
pos = video->position(f);
}
if (audio && !audio->ignore() && (!pos || audio->position(f) < *pos)) {
pos = audio->position(f);
}
BOOST_FOREACH (shared_ptr<TextDecoder> i, text) {
if (!i->ignore() && (!pos || i->position(f) < *pos)) {
pos = i->position(f);
}
}
return pos.get_value_or(ContentTime());
}
void
Decoder::seek (ContentTime, bool)
{
if (video) {
video->seek ();
}
if (audio) {
audio->seek ();
}
BOOST_FOREACH (shared_ptr<TextDecoder> i, text) {
i->seek ();
}
}
shared_ptr<TextDecoder>
Decoder::only_text () const
{
DCPOMATIC_ASSERT (text.size() < 2);
if (text.empty ()) {
return shared_ptr<TextDecoder> ();
}
return text.front ();
}
shared_ptr<const Film>
Decoder::film () const
{
shared_ptr<const Film> f = _film.lock ();
DCPOMATIC_ASSERT (f);
return f;
}
|
