JVC VN-V686UAPI - Manual (Page 11)

HTTP Response and MPEG-4 stream sent out by VN-V686 are as follows.
When ptz_info=on is specified, boundary, pan/tilt/zoom information and MPEG-4 VOP will be sent out continuously
after HTTP Response are as follows.
Example of Booundary and pan/tilt/zoom information:
--foo<CRLF>
Content-Type: image/jpeg<CRLF>
Content-Length: 5914<CRLF>
X-Puls-Pan: 0<CRLF>
X-Puls-Tilt: 0<CRLF>
X-Posi-Zoom: 0<CRLF><CRLF>
Range of X-Puls-Pan is from 0 to 35999.
Range of X -Puls-Tilt is from 0 to 19000. 0 corresponds to -5 degrees and 19000 corresponds to 185
degrees. 500 and 18500 mean horizontal.
Range of X-Posi-Zoom is from 0 to 9999.
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HTTP Response
VOP of MPEG-4 (No. 1)
,,,
VOP of MPEG-4 (No. 2)
HTTP Response
MPEG-4 VOP (No. 1)
MPEG-4 VOP (No. 2)
,,,
boundary
pan/tilt/zoom information
pan/tilt/zoom information
boundary