Works for both DCS-2332L and DCS2330L on Mac Mini late 2009 (MacOS El Capitan 10.11.6). The video profiles for the cameras are set as below in the web interface.

Video profile 1

• H.264
• Frame size/view window area 1280x720
• Max frame rate 25
• Video quality fixed/excellent

Video profile 2

• JPEG
• Frame size/view window area 1280x720
• Max frame rate 25
• Video quality fixed/good

config.json

{
	"name": "D-Link Camera",
	"videoConfig": {
		"source": "-re -i http://user:password@192.168.0.1/video2.mjpg",
		"stillImageSource": "-i http://user:password@192.168.0.1/image/jpeg.cgi?profileid=1",
		"maxStreams": 2,
		"maxWidth": 1280,
		"maxHeight": 720,
		"maxFPS": 30
	}
}