13
Parameter value is indicated using =. Do not insert space before and after =.
Example encode=mpeg4
Parameter Description
encode For specifying compression format. For example, specify as encode=mpeg4 to get MPEG-4.
ptz_info To add pan/tilt/zoom information before MPEG-4 VOP data. Specify on or off.

2.3. Response When API is successfully received
VN-V685/686/686B will return 200 OK. The x-vnv686_response line indicates actual parameter.
Example of VN-V685
HTTP/1.1 200 OK<CRLF>
Connection: close<CRLF>
Content-Type: video/mp4v-es<CRLF>
Date: Tue, 02 Oct 2008 07:33:12 GMT<CRLF>
Server: JVC VN-V685 Network Camera<CRLF>
x-vnv685_response:
encode=mpeg4&framerate=30&framesize=vga&ptz_info=off<CRLF><CRLF>
MPEG-4 framerate can be changed by Web page or API. When MPEG-4 framerate is changed, the framerate of current
stream is changed also.
2.4. Restrictions

Access restriction

VN-V685/686/686B has access restriction feature that enables to deny access from a specific IP address. If MPEG-4 is
requested from the IP address of access restriction, VN-V685/686/686B disconnects the TCP connection after API is
sent.

Restriction by maximum bitrate of VN-V685/686/686B

The maximum bitrate of VN-V685/686/686B is about 20 Mbps.

Number of clients

The maximum number of clients that can get MPEG-4 stream depends on encode settings and JPEG clients. Refer the
instruction manual for detailed information.