blob: 8d8c6743e37d169e65bc6380f9eb303050eeff49 (
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
|
/*
Copyright (C) 2020-2021 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/>.
*/
#ifndef DCPOMATIC_FRAME_INTERVAL_CHECKER_H
#define DCPOMATIC_FRAME_INTERVAL_CHECKER_H
#include "dcpomatic_time.h"
#include <boost/optional.hpp>
#include <vector>
class FrameIntervalChecker
{
public:
FrameIntervalChecker () {}
FrameIntervalChecker (FrameIntervalChecker const &) = delete;
FrameIntervalChecker& operator= (FrameIntervalChecker const &) = delete;
void feed (dcpomatic::ContentTime time, double frame_rate);
enum Guess
{
AGAIN,
PROBABLY_3D,
PROBABLY_NOT_3D
};
Guess guess () const;
private:
boost::optional<dcpomatic::ContentTime> _last;
/** Intervals of last frames, in fractions of a frame; i.e. 1 in here
* means the last two frames were one frame interval apart according
* to the frame rate passed to ::feed().
*/
std::vector<double> _intervals;
static int const _frames;
};
#endif
|
