JVC VN-V686U Response When API is successfully received, MPEG-4 Stream Format Sent Out by VN-V686

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. Even if ptz_info=off, pan/tilt/zoom information is stored in JPEG comment segemnt.

2.3. Response

When API is successfully received

VN-V686 will return 200 OK. The x-vnv686_response line indicates actual parameter.

Example

HTTP/1.1 200 OK<CRLF>

Connection: close<CRLF>

Content-Type: video/mp4v-es<CRLF>

Date: Tue, 02 Oct 2007 07:33:12 GMT<CRLF>

Server: JVC VN-V686 Network Camera<CRLF>

x-vnv686_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-V686 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-V686 disconnects the TCP connection after API is sent.

Restriction by maximum bitrate of VN-V686

The maximum bitrate of VN-V686 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.

2. MPEG-4 Stream Format Sent Out by VN-V686

MPEG-4 stream from VN-V686 is MPEG-4 Part 2(ISO/IEC 14496-2) compliant, level 3 of simple profile. It is a sequence of I-VOPs, or I-VOPs and P-VOPs.

I-VOP: Intra frame compressed data

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