jwhendy
/ set_opencv_webcam.py
Last active Nov 2, 2020
An example of setting webcam settings via v4l2-ctl in a python script. Some of the CAP_* settings in opencv didn't seem to work.
View set_opencv_webcam.py
| import cv2 | |
| import subprocess | |
| ### for reference, the output of v4l2-ctl -d /dev/video1 -l (helpful for min/max/defaults) | |
| # brightness (int) : min=0 max=255 step=1 default=128 value=128 | |
| # contrast (int) : min=0 max=255 step=1 default=128 value=128 | |
| # saturation (int) : min=0 max=255 step=1 default=128 value=128 | |
| # white_balance_temperature_auto (bool) : default=1 value=1 | |
| # gain (int) : min=0 max=255 step=1 default=0 value=0 | |
| # power_line_frequency (menu) : min=0 max=2 default=2 value=2 |