blob: 88f99329873d4e3dc047331bab175b4b3d682c06 (
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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* timeline.h - Timeline for per-frame controls
*/
#ifndef __LIBCAMERA_TIMELINE_H__
#define __LIBCAMERA_TIMELINE_H__
#include <list>
#include <map>
#include <libcamera/timer.h>
#include "libcamera/internal/utils.h"
namespace libcamera {
class FrameAction
{
public:
FrameAction(unsigned int frame, unsigned int type)
: frame_(frame), type_(type) {}
virtual ~FrameAction() {}
unsigned int frame() const { return frame_; }
unsigned int type() const { return type_; }
virtual void run() = 0;
private:
unsigned int frame_;
unsigned int type_;
};
class Timeline
{
public:
Timeline();
virtual ~Timeline() {}
virtual void reset();
virtual void scheduleAction(std::unique_ptr<FrameAction> action);
virtual void notifyStartOfExposure(unsigned int frame, utils::time_point time);
utils::duration frameInterval() const { return frameInterval_; }
protected:
int frameOffset(unsigned int type) const;
utils::duration timeOffset(unsigned int type) const;
void setRawDelay(unsigned int type, int frame, utils::duration time);
std::map<unsigned int, std::pair<int, utils::duration>> delays_;
private:
static constexpr unsigned int HISTORY_DEPTH = 10;
void timeout(Timer *timer);
void updateDeadline();
std::list<std::pair<unsigned int, utils::time_point>> history_;
std::multimap<utils::time_point, std::unique_ptr<FrameAction>> actions_;
utils::duration frameInterval_;
Timer timer_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_TIMELINE_H__ */
|
