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CGI Command Manual
9
[RTP (UDP) bit stream (multicast)]
In terms of multicast RTP bit stream, acquiring sequence is different from the unicast one. In order to
activate multicast bit stream, getting information of the multicast settings in the camera is needed prior to
starting the sequence. The information is obtained by using "/command/inquiry.cgi?inq=camera" inquiry
command.
Multicast
Shows whether multicast streaming is set to on or off.
McAddress
Shows multicast address which is used for multicast bit stream.
McVideoPort
Shows multicast video port which is used for multicast bit stream.
The following figure shows how the RTP bit stream (multicast) is acquired by a client application.
[Motion JPEG bit stream]
In terms of motion JPEG bit stream, only the HTTP bit stream form is supported. The motion JPEG bit
stream can be acquired by sending "/image" or "/mjpeg" command, only when the video mode of the
camera is set to JPEG. The motion JPEG bit stream is retrieved by the first GET command operation and
will be sent as the sequential data. Therefore, display application should display the sequential data with
dividing the data into an image-unit. In this case, boundary character string "--myboundary" is fixed as an
index.
Client PC
Camera