/Python/How to count how many cameras you have with python

How to count how many cameras you have with python

import cv2

def camera_amount():
    '''Returns int value of available camera devices connected to the host device'''
    camera = 0
    while True:
        if (cv2.VideoCapture(camera).grab()) is True:
            camera = camera + 1
        else:
            cv2.destroyAllWindows()
            return(int(camera))

How to check how many cameras are connected to device in python\

import cv2

def clearCapture(capture):
    capture.release()
    cv2.destroyAllWindows()

def countCameras():
    n = 0
    for i in range(10):
        try:
            cap = cv2.VideoCapture(i)
            ret, frame = cap.read()
            cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
            clearCapture(cap)
            n += 1
        except:
            clearCapture(cap)
            break
    return n

print countCameras()

Source: stackoverflow.com

Similar codes

8 votes104 views2 answers
Pandas lambda if else
Python
0 vote117 views1 answer
How to do disconnect command on member in discord python
Python
1 vote113 views1 answer
Get_or_create in django
Python
1 vote120 views1 answer
Python cv2 resize keep aspect ratio
Python
6 votes139 views3 answers
Login system in django
Python Django
0 vote167 views1 answer
Converting column data to sha256 pandas
Python
0 vote127 views1 answer
Django-mathfilters
Python
11 votes118 views6 answers
Enumerate in python
Python
0 vote132 views1 answer
Mac big sur and python3 problems
Python
0 vote137 views1 answer
Random pick between given things python
Python