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Item names and values, excluding the version information that does not include =, are stored in the following format.
Example: When width=640, the 13-byte area will be written as follows.
2. Getting MPEG-4 from VN-V25/26 via HTTP
2.1. Basic Procedures
1) The client establishes a TCP connection to port number 80.
2) The client sends out API.
Example
GET /api/video?encode=mpeg4 HTTP/1.1<CRLF>
Host: 192.168.0.2<CRLF><CRLF>
Note <CRLF> denotes the line feed code (
0x0D, 0x0A
).
3) VN-V25/26 returns HTTP response.
Example of VN-V25
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-V25 Network Camera<CRLF>
x-vnv25_response: encode=mpeg4&framerate=15&framesize=vga<CRLF><CRLF>
4) VN-V25/26 sends out MPEG-4 data after returning HTTP response.
HTTP Response and MPEG-4 stream sent out by VN-V25/26 are as follows.
9
w i d t h = 6 4 0 0x00 0x00
name =space space value (stuffed with 0x00)
fixed length for each item
HTTP Response
VOP of MPEG-4 (No. 1)
VOP of MPEG-4 (No. 2)