Parse MediaDeviceService from LogEntries

data.json

[
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169359380359,"t":1406294298153,"m":"94.18.214.22 aog5x7dc INFO 'MediaDeviceService.getDevices.devices.video [\"FaceTime HD Camera (Display) (05ac:1112)\",\"FaceTime HD Camera (PUF6:VVDR)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":123643402383,"t":1406294317904,"m":"66.225.159.5 3197oner INFO 'MediaDeviceService.getDevices.devices.video []'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":71475116496,"t":1406294381007,"m":"69.14.193.178 qu2r7yz2 INFO 'MediaDeviceService.getDevices.devices.video [\"FaceTime HD Camera (Built-in) (05ac:8509)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169458215047,"t":1406294454260,"m":"12.168.155.42 dolfhlfu INFO 'MediaDeviceService.getDevices.devices.video [\"Integrated Webcam (0c45:6433)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":123786187023,"t":1406294521582,"m":"69.14.193.178 qu2r7yz2 INFO 'MediaDeviceService.getDevices.devices.video [\"FaceTime HD Camera (Built-in) (05ac:8509)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169594052551,"t":1406294672557,"m":"69.14.193.178 qu2r7yz2 INFO 'MediaDeviceService.getDevices.devices.video [\"FaceTime HD Camera (Built-in) (05ac:8509)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":123931948623,"t":1406294740288,"m":"67.241.15.199 ikeelfq0 INFO 'MediaDeviceService.getDevices.devices.video [\"Integrated Webcam (05ca:18a0)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169646489607,"t":1406294767543,"m":"97.77.63.62 a8kmwa5p INFO 'MediaDeviceService.getDevices.devices.video [\"FaceTime HD Camera (Built-in) (05ac:8510)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169656650375,"t":1406294781921,"m":"122.167.182.164 386nw4ao INFO 'MediaDeviceService.getDevices.devices.video [\"1.3M WebCam (0402:9665)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":169672611015,"t":1406294810024,"m":"122.167.182.164 386nw4ao INFO 'MediaDeviceService.getDevices.devices.video [\"1.3M WebCam (0402:9665)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":123983928335,"t":1406294814777,"m":"108.93.184.17 uzyh6aoq INFO 'MediaDeviceService.getDevices.devices.video []'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":71660117200,"t":1406294822640,"m":"179.210.175.154 0theomst INFO 'MediaDeviceService.getDevices.devices.video [\"Integrated Webcam (064e:8120)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":71683321296,"t":1406294872661,"m":"179.210.175.154 0theomst INFO 'MediaDeviceService.getDevices.devices.video [\"Integrated Webcam (064e:8120)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":71712255504,"t":1406294928788,"m":"72.74.243.227 b44a5xec INFO 'MediaDeviceService.getDevices.devices.video [\"ThinkVantage Virtual Camera\",\"Integrated Camera (5986:02d2)\"]'"},
{"r":"353a81d9-091e-479c-9b07-fc1e271d91a5","s":71715421328,"t":1406294935160,"m":"108.93.184.17 uzyh6aoq INFO 'MediaDeviceService.getDevices.devices.video []'"}
]

leparse.js

var fs = require('fs');

var data = JSON.parse(fs.readFileSync(process.argv[2] || 'audio.json'));

var filter = /(\[.*\])\'$/;

function clean(string) {
	return string.replace(/\\['"]/g,"'")
				 .replace(/\s\(\w{4}\:\w{4}\)/gi, "");
}

function parse(list) {
	return data.map(function (d) {
		return JSON.parse(clean(filter.exec(d.m)[1]));
	});
}

function flatten(list) {
	var merged = [];
	merged = merged.concat.apply(merged, list);
	return merged;
}

function unique(list) {
	var unique = {};
	list.forEach(function (d) {
		unique[d] = (unique[d] || 0) + 1;
	});
	return unique;
}

function list(listObj) {
	var arr = [];
	for (var prop in listObj) {
		arr.push([prop, listObj[prop]]);
	}
	return arr;
}

function order(a, b) {
	return b[1] - a[1];
}

var out = list(unique(flatten(parse(data)))).sort(order);

console.log(out);