ftypisom isomiso2avc1mp41
var response = request.Get("https://site.file.com/fileD=");
var response = request.Get("https://site.file.com/fileD=");
Stream responseStream = response.ToMemoryStream();
using(StreamReader tmp = new StreamReader(responseStream))
{
string title = tmp.ReadToEnd().Substring("v:", "<");
}