/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

0 vote407 views1 answer
Maximun row and columns in python
Python
1 vote314 views1 answer
Pythin load .csv
Python
0 vote363 views1 answer
Django password field encryption
Python Django
2 votes356 views2 answers
Python program to find first n prime numbers
Python
0 vote339 views1 answer
Python async partial function
Python
34 votes333 views2 answers
Update string in python
Python
0 vote419 views1 answer
Black python
Python
2 votes323 views1 answer
How to get micro symbol in python
Python
4 votes325 views2 answers
Remove all 0 from list python
Python
2 votes328 views1 answer
Python optionmenu tkinter
Python