onvif/lib/replay.js

Client to ONVIF NVT devices Profile S: cameras

/**
 * @namespace cam
 * @description Replay section for Cam class
 * @author Roger Hardiman <opensource@rjh.org.uk>
 * @licence MIT
 */
module.exports = function(Cam) {

	const linerase = require('./utils').linerase;

	/**
	 * @callback Cam~ResponseUriCallback
	 * @property {string} uri
	 */

	/**
	 * Receive Replay Stream URI
	 * @param {Object} [options]
	 * @param {string} [options.stream]
	 * @param {string} [options.protocol]
	 * @param {string} [options.recordingToken]
	 * @param {Cam~ResponseUriCallback} [callback]
	 */
	Cam.prototype.getReplayUri = function(options, callback) {
		if (callback === undefined) { callback = options; options = {};	}
		this._request({
			service: 'replay'
			, body: this._envelopeHeader() +
			'<GetReplayUri xmlns="http://www.onvif.org/ver10/replay/wsdl">' +
				'<StreamSetup>' +
					'<Stream xmlns="http://www.onvif.org/ver10/schema">' + (options.stream || 'RTP-Unicast') + '</Stream>' +
					'<Transport xmlns="http://www.onvif.org/ver10/schema">' +
						'<Protocol>' + (options.protocol || 'RTSP') + '</Protocol>' +
					'</Transport>' +
				'</StreamSetup>' +
				'<RecordingToken>' + (options.recordingToken) + '</RecordingToken>' +
			'</GetReplayUri>' +
			this._envelopeFooter()
		}, function(err, data, xml) {
			if (callback) {
				callback.call(this, err, err ? null : linerase(data).getReplayUriResponse.uri, xml);
			}
		}.bind(this));
	};
};