LM object data as metadata on videocamera's stream

[admin]

Try this, change camera URL and text message as needed. Uncomment last line with logging if request does not work.

Code:

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url = 'http://USER:PASS@IP/Video/inputs/channels/1/overlays/text/1' text = 'Test message' function http_put_xml(url, xml)   local http = require('socket.http')   local ltn12 = require('ltn12')   local resp = {}   local res, code = http.request({     url = url,     method = 'PUT',     headers = {       ['content-type'] = 'text/xml',       ['content-length'] = #xml,     },     source = ltn12.source.string(xml),     sink = ltn12.sink.table(resp),   })   if res then     return table.concat(resp), code   else     return nil, code   end end function xml_escape(text)   return text     :gsub('&', '&amp;')     :gsub('<', '&lt;')     :gsub('>', '&gt;')     :gsub('"', '&quot;')     :gsub("'", '&apos;') end xml = [[<?xml version="1.0" encoding="UTF-8"?> <TextOverlay xmlns="http://www.hikvision.com/ver10/XMLSchema" version="1.0"> <id>1</id> <enabled>true</enabled> <posX>16</posX> <posY>16</posY> <message>]] .. xml_escape(text) .. [[</message> </TextOverlay>]] res, err = http_put_xml(url, xml) -- log(res, err)