Rotation may require additional resources when enabled as the video has to be decoded and re-encoded.

Hardware Acceleration may be available for h264 encoding on certain devices.

environment:
    ..
    - ROTATE_DOOR=True

where CAM_NAME is the camera name in UPPERCASE and _ in place of spaces and hyphens:

Rotate by 90 degrees clockwise:

environment:
    ..
    - ROTATE_CAM_CAM_NAME=True

Rotate video in other directions:

    - ROTATE_CAM_OTHER_CAM=1 # 90 degrees clockwise.
    - ROTATE_CAM_THIRD_CAM=2 # 90 degrees counter-clockwise.

Available options:

• 0 - Rotate by 90 degrees counter-clockwise and flip vertically.
• 1 - Rotate by 90 degrees clockwise. This is the default.
• 2 - Rotate by 90 degrees counter-clockwise.
• 3 - Rotate by 90 degrees clockwise and flip vertically.