JVC VN-V686UAPI manual Basic Procedures, Host 192.168.0.2CRLFCRLF

1. Getting JPEG from VN-V686 via HTTP

1.1. Basic Procedures

1)The client establishes a TCP connection to port number 80.

2)The client sends out API.

Example

GET /api/video?encode=jpeg&framerate=30&boundary=on&ptz_info=off

HTTP/1.1<CRLF>

Host: 192.168.0.2<CRLF><CRLF>

Note <CRLF> denotes the line feed code (0x0D, 0x0A).

3)VN-V686 returns HTTP response.

Example

HTTP/1.1 200 OK<CRLF>

Connection: close<CRLF>

Content-type: multipart/x-mixed-replace;boundary=-foo<CRLF>

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

Server: JVC VN-V686 Network Camera<CRLF>

x-vnv25_response:

encode=jpeg&framerate=30&framesize=vga&boundary=on&ptz_info=off<CRLF><CRLF>

4) VN-V686 sends out JPEG data after returning HTTP response.

JPEG files with boundary structure will be sent out continuously after HTTP Response as follows. Content-Length in boundary structure shows file size of each JPEG file. Using the size, reading the whole JPEG data becomes easy.

HTTP Response

-foo<CRLF>

Content-Type: image/jpeg<CRLF>

Content-Length: 31614<CRLF><CRLF>

JPEG (No. 1) <CRLF>

-foo<CRLF>

Content-Type: image/jpeg<CRLF>

Content-Length: 32756<CRLF><CRLF>

JPEG (No. 2) <CRLF>

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