Created
July 9, 2023 11:19
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Script to test connected webcams
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#!/usr/bin/env bash | |
set -e | |
# Remove annoyingly verbose logging from OpenCV | |
export OPENCV_LOG_LEVEL=FATAL | |
python3 ./webcam_test.py |
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import cv2 | |
def get_cameras(): | |
cameras = [] | |
for i in range(8): | |
capture = cv2.VideoCapture(i) | |
if capture.isOpened(): | |
cameras.append(i) | |
capture.release() | |
return cameras | |
def main(): | |
initial_cameras = set(get_cameras()) | |
while True: | |
print("Insert a camera") | |
while not (new_cameras := set(get_cameras()) - initial_cameras): | |
cv2.waitKey(100) | |
for camera_id in new_cameras: | |
camera = cv2.VideoCapture(camera_id) | |
ret, frame = camera.read() | |
cv2.imshow("frame", frame) | |
cv2.waitKey(200) | |
success = (input("Is the image clear? [Y/n]") or "y").lower() == "y" | |
camera.release() | |
cv2.destroyAllWindows() | |
print("Success. Disconnect cameras") | |
while set(get_cameras()) != initial_cameras: | |
cv2.waitKey(100) | |
if __name__ == "__main__": | |
main() |
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