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November 16, 2023 20:52
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Get snapshot from IP camera with Onvif protocol and send through express http response
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| function handler(req, res) { | |
| const {hostname, username, password} = req.body | |
| new Cam({ | |
| hostname | |
| , username | |
| , password | |
| }, function(err){ | |
| this.getSnapshotUri({protocol:'RTSP'}, function (err, stream){ | |
| // Make GET request to snapshot uri from câmera | |
| http.get(stream.uri, {auth: `${username}:${password}`}, (httpResponse) => { | |
| // Array for the httpResponse buffers | |
| var buffers = [] | |
| // When receive data, push to array. | |
| // When finished, send image to res | |
| httpResponse.on('data', (data) => { | |
| buffers.push(data) | |
| }).on('end', () => { | |
| res.contentType('image/jpeg') | |
| res.send(new Buffer.concat(buffers)) | |
| }) | |
| }) | |
| }) | |
| }) | |
| } |
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