forked from luigifreda/pyslam
-
Notifications
You must be signed in to change notification settings - Fork 0
/
timer.py
54 lines (46 loc) · 1.84 KB
/
timer.py
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
"""
* This file is part of PYSLAM
*
* Copyright (C) 2016-present Luigi Freda <luigi dot freda at gmail dot com>
*
* PYSLAM 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 3 of the License, or
* (at your option) any later version.
*
* PYSLAM 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 PYSLAM. If not, see <http://www.gnu.org/licenses/>.
"""
import cv2
from moving_average import MovingAverage
class Timer:
def __init__(self, name = '', is_verbose = False):
self._name = name
self._is_verbose = is_verbose
self._start = None
self._now = None
self._elapsed = None
self.start()
def start(self):
self._start = cv2.getTickCount()
def elapsed(self, do_print = False):
self._now = cv2.getTickCount()
self._elapsed = (self._now - self._start)/cv2.getTickFrequency()
if do_print is True:
print('Timer ', self._name, ' - elapsed: ', self._elapsed)
class TimerFps(Timer):
def __init__(self, name, average_width = 10, is_verbose = True):
super().__init__(name, is_verbose)
self.moving_average = MovingAverage(average_width)
def refresh(self):
self.elapsed()
self.moving_average.getAverage(self._elapsed)
self._start = self._now
if self._is_verbose is True:
dT = self.moving_average.getAverage()
print('Timer ', self._name, ' - fps: ', 1./dT, ', dT: ', dT)