JVC 686U, 686BU, VN-V685U manual

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>

,,,

When ptz_info=on is specified, boundary, pan/tilt/zoom information and JPEG file will be sent out continuously after HTTP Response as follows.

HTTP Response

boundary

pan/tilt/zoom information

JPEG (No. 1)

boundary

pan/tilt/zoom information

JPEG (No. 2)

,,,

Example of Booundary and pan/tilt/zoom information:

--foo<CRLF>

Content-Type: image/jpeg<CRLF>

Content-Length: 31200<CRLF>

X-Puls-Pan: 0<CRLF>

X-Puls-Tilt: 0<CRLF>

X-Posi-Zoom: 0<CRLF><CRLF>

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