77 questions
1
vote
1
answer
453
views
In python how to synchronize screengrabs with vertical sync
I'm using python v 3.8.9 with windows 7 and grabbing portions of the screen using the mss module.
I'm attempting to capture output of a program that updates with the monitor vertical sync at ~60 FPS. ...
- 154
0
votes
1
answer
400
views
tkinter screenshot with mss not working as expected
essentially the problem is: I want to take a screenshot of my tkinter canvas.
Unfortunately I am not able to understand PIL, so don't gaslight me with Pillow or ImageGrab please.
from mss import mss
...
0
votes
1
answer
38
views
Why does my cv2 slider keep starting with "None"
My CV2 slider keeps starting with the value "None", but I need it to be an int instandly. The error code I'm getting is this: TypeError: int() argument must be a string, a bytes-like object ...
- 1
0
votes
0
answers
550
views
What causes an mss.exception.ScreenShotError: gdi32.GetDIBits() failed
I'm trying to write some code to use screencaptures to export the position from a online-go.server. I only got a few lines in, when I got this error from this code
error
c:\Go\sgo>py ogs2kgs.py
top ...
- 811
0
votes
1
answer
2k
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Python MSS Screenshot monitor sizes different than expected
Using mss, I have taken screenshots of my two monitors: monitor-1 and monitor-2.
When I open up monitor-1, I get the image size of 3840x2160. However, when accessing monitors from mss().monitors[1], I ...
1
vote
1
answer
476
views
Screenshot error: XDefaultRootWindow() failed after closing a Tkinter Toplevel --> Python MSS Ubuntu Linux
Ubuntu v22.04
MSS v7.0.1
Python 3.10
This issue is practically identical to: Python: Tkinter + MSS = mss.exception.ScreenShotError: XDefaultRootWindow() failed - however, their question is unsolved. ...
- 155
0
votes
2
answers
2k
views
What is the color space produced by MSS sct.grab()?
Python 3.10,
opencv-python==4.5.4.60
I'm having a hard time understanding the color format of screenshots taken by MSS.
Here is the portion of my screen that I am screenshotting (with correct/expected ...
- 155
0
votes
1
answer
165
views
Emotion Detect on live screen
Trying to build a system to detect emotion in online meeting using python.
I have created a deep learning model to detect emotions.
Using this code to view the screen
import time
import cv2
import mss
...
- 109
0
votes
1
answer
2k
views
python opencv2 record screen
I am trying to make a screen recorder using python opencv along with the mss library.
I can not get it to record a video. Whenever I stop the application - the file size becomes static such as sizes ...
1
vote
1
answer
1k
views
Python mss only capturing 60 fps, even with multiprocessing?
I've been using mss for screen capturing for a while, and no matter what I can't get it above 60 fps, even with multiprocessing. Here's the code:
import multiprocessing as mp
import time
import mss
...
- 112
-1
votes
1
answer
73
views
Should there be used a different method for object detection when used cv2.Canny?
I'm trying to implement the usage of cv2.Canny(), but no matter which approach and method I'm using I'm not getting the object detected. So here I'm raising a question about whether there could be ...
- 11
1
vote
1
answer
1k
views
OpenCV wont object detect with MSS screen capture
I'm new to Python and want to learn it bit by bit, so I decided to write a simple program that would, in real time, capture my screen and do object detection. Through a lot of googling and reading, I ...
- 11
-1
votes
1
answer
366
views
OpenCV imshow function not responding [duplicate]
I try to detect color on the screen in real time and when I'm using imshow function it is not responding and I can't see my screen live
Someone can help?
import numpy as np
from PIL import Image
from ...
0
votes
0
answers
945
views
Recording full screen at lower resolution (mss)
I am trying to make a Python script that records my entire screen but on a 70x34 resolution while cutting off as little as possible on a 16:9 monitor. I have this example code down below that uses the ...
- 1
0
votes
2
answers
2k
views
OpenCV Not Properly Writing Adding Frames to Video
I'm using mss, numpy, and OpenCV to make my own recording software, but when I record, all of my videos end up with a 258 bytes file size (no matter the length of the video), and I can't view the ...
- 11