-
Notifications
You must be signed in to change notification settings - Fork 0
/
Timelapse.py
265 lines (217 loc) · 7.61 KB
/
Timelapse.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
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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
import rumps
import cv2
from mss import mss
import numpy as np
from os.path import join, expanduser
CONFIG = {
'name': 'TimeLapse',
'start': 'Start time lapse',
'end': 'End time lapse',
'pause': 'Pause time lapse',
'resume': 'Resume time lapse',
'help': 'Help',
'about': 'About',
'quit': 'Quit',
'shots_per_min': 25,
'set_shots_per_min': 'Set shots per minute',
'frame_rate': 24, # 24 fps video output
'set_frame_rate': 'Set frame rate',
'dest': 'Desktop',
'output': 'output.mp4',
'codec': 'avc1', # the one which works for macos
}
class TimeLapse(rumps.App):
def __init__(self):
super(TimeLapse, self).__init__(CONFIG['name'], quit_button=None)
# timer setup
self.timer = rumps.Timer(
self.take_photo, 1./CONFIG['shots_per_min'] * 60)
# screenshot setup
self.sct = mss()
self.forcc = cv2.VideoWriter_fourcc(*CONFIG['codec'])
self.dir = join(expanduser('~'), CONFIG['dest'])
self.trailing_menu = [
rumps.MenuItem(CONFIG['set_frame_rate'], callback=self.set),
rumps.MenuItem(CONFIG['set_shots_per_min'], callback=self.set),
None, # separator
CONFIG['help'],
rumps.MenuItem(CONFIG['about'], callback=lambda _: rumps.alert(
'Timelapse by @wkaisertexas')),
rumps.MenuItem(CONFIG['quit'], callback=self.quit, key='q')
]
self.reset_menu()
# Callbacks
def reset_menu(self):
self.timer.stop()
self.timer.count = 0
# creates the menu
if self.menu: # clears the menu if it already exists
self.menu.clear()
self.devices = self.get_devices_menu()
self.menu = [ # for some reason, the other menu items are trailing
# command key shift R
rumps.MenuItem(CONFIG['start'], callback=self.start, key='R'),
None,
# self.devices,
*self.trailing_menu
]
self.title = '🎥'
def start(self, sender):
self.title = '⏸'
self.menu.clear()
self.menu = [
rumps.MenuItem(CONFIG['pause'], callback=self.pause, key='R'),
rumps.MenuItem(CONFIG['end'], callback=self.end, key='e'),
None,
self.devices,
*self.trailing_menu
]
# starts the timer -> note: does not reset the recorder
self.timer.start()
def end(self, sender):
i = 0
for recorder in self.webcam_recorders + self.mon_recorders:
if recorder:
recorder.release()
i += 1
if i == 0:
rumps.alert('No recording devices were found')
elif i == 1:
rumps.alert(f"Video saved to {self.dir}")
else:
rumps.alert(f"{i} videos saved to {self.dir}")
self.reset_menu()
def quit(self, sender): # TODO: troubleshoot the problems where the app was not quitting
"""
Releases (saves) all recording devices and quits the app
"""
for recorder in self.webcam_recorders + self.mon_recorders:
if recorder:
recorder.release()
rumps.quit_application()
exit()
def pause(self, sender):
"""
Pauses the video recording and sets the menu to the play arrow
"""
self.title = '▶️'
self.timer.stop() # stops adding new frames to the video
self.menu.clear()
self.menu = [
rumps.MenuItem(CONFIG['resume'], callback=self.resume, key='R'),
rumps.MenuItem(CONFIG['end'], callback=self.end, key='e'),
None,
self.devices,
* self.trailing_menu
]
def resume(self, sender):
self.title = '⏸'
self.timer.start()
self.menu.clear()
self.menu = [
rumps.MenuItem(CONFIG['pause'], callback=self.pause, key='R'),
rumps.MenuItem(CONFIG['end'], callback=self.end, key='e'),
None,
self.devices,
*self.trailing_menu
]
@rumps.clicked(CONFIG['help'])
def help(self, sender):
"""
Displays the help menu
"""
rumps.alert('Created by @wkaisertexas with documenation at github.com/wkaisertexas/timelapse') # kind fo a filler function ig
def take_photo(self, timer):
"""
Takes a screenshot for each selected device and saves it to a video writer object
"""
# records the monitor(s)
for i, monitor in enumerate(self.monitors):
if monitor: # if the monitor is selected
mon = self.sct.monitors[i] # gets the monitor
img = self.sct.grab(mon) # grabs the monitor
# gets rid of the alpha channel
img = cv2.cvtColor(np.array(img), cv2.COLOR_BGRA2BGR)
# saves the image using the video writer object
self.mon_recorders[i].write(img)
# records the webcam(s)
for i, webcam in enumerate(self.webcams):
if webcam: # if the webcam is selected
_, img = self.webcam_readers[i].read() # reads the webcam
# saves the image using the video writer object
self.webcam_recorders[i].write(img)
def set(self, sender):
# creates a window to set the frame rate
res = rumps.Window(sender.title, 'What value would you like to select?',
default_text='25', dimensions=(200, 100)).run()
if not res.clicked:
return
res = int(res.text)
# frame rate of output videos
if sender.title == CONFIG['set_frame_rate']:
CONFIG['frame_rate'] = res
if self.timer.is_running():
rumps.alert('Unable to change the frame rate while recording')
elif sender.title == CONFIG['set_shots_per_min']:
CONFIG['shots_per_min'] = res
# adjusts the interval adhoc
self.timer.interval = 1./CONFIG['shots_per_min'] * 60
def get_devices_menu(self):
"""
Returns a list of possible video recording devices (monitors or video input devices)
"""
# monitors
menu = []
for i in range(len(self.sct.monitors)):
menu.append(rumps.MenuItem(
f"Monitor {i}", callback=self.toggle_device))
if len(menu) > 0:
menu.append(None) # seperator
# video input devices
num_cameras = self.get_num_cameras()
for i in range(num_cameras):
menu.append(rumps.MenuItem(
f"Video Input {i}", callback=self.toggle_device))
# video device status trackers
if not hasattr(self, 'montiors') or len(self.monitors) != len(self.sct.monitors):
self.monitors = [False for _ in range(len(self.sct.monitors))]
self.mon_recorders = [None for _ in range(len(self.sct.monitors))]
if not hasattr(self, 'cameras') or len(self.cameras) != num_cameras:
self.cameras = [False for _ in range(num_cameras)]
self.webcam_recorders = [None for _ in range(num_cameras)]
self.webcam_readers = [None for _ in range(num_cameras)]
# toggles on the first monitor by default
first_mon = menu[0]
first_mon.title = 'Monitor 0 (Default)'
self.toggle_device(first_mon)
return ('Recording Devices', menu)
def toggle_device(self, sender):
"""
Toggles the recording device
"""
sender.state = not sender.state # toggles the menu item's checkmark
if sender.title.startswith('Monitor'):
index = int(sender.title.split(' ')[1])
self.monitors[index] = sender.state
if sender.state: # monitor is being selected -> create a video writer
self.mon_recorders[index] = cv2.VideoWriter(
f'{self.dir}/monitor_{index}.mp4', self.forcc, CONFIG['frame_rate'], (self.sct.monitors[index]['width'] * 2, self.sct.monitors[index]['height'] * 2))
else: # monitor is being unselected -> close the video writer
self.mon_recorders[index].release()
# removes the video writer object
self.mon_recorders[index] = None
return
index = int(sender.title.split(' ')[2])
self.cameras[index] = sender.state
if sender.state:
self.webcam_readers[index] = cv2.VideoCapture(index)
self.webcam_recorders[index] = cv2.VideoWriter(f'{self.dir}/webcam_{index}.mp4', self.forcc, CONFIG['frame_rate'], (int(self.webcam_readers[index].get(
cv2.CAP_PROP_FRAME_WIDTH)), int(self.webcam_readers[index].get(cv2.CAP_PROP_FRAME_HEIGHT)))) # TODO: check if I have to double this
def get_num_cameras(self):
"""
Gets the number of cameras attached to the computer
"""
# tries to make a video recorder device for each webcam
return sum([1 if cv2.VideoCapture(i).read()[0] else 0 for i in range(10)])
if __name__ == '__main__':
TimeLapse().run()