public bool ParseFingerprintRecognition(XmlElement xResult)
{
try
{
RecognizeCode = (RecognizeCode)Convert.ToInt32(xResult.GetElementsByTagName("RecognizeResult")[0].Attributes["RecognizeCode"].Value);
RecognizeResult = xResult.GetElementsByTagName("RecognizeResult")[0].InnerText;
if (!TimeStatistics.ParseTimeStatistics((XmlElement)xResult.GetElementsByTagName("TimeStatistics")[0]))
{
return(false);
}
foreach (XmlElement xFingerTrack in xResult.GetElementsByTagName("FingerTrack"))
{
FingerTrack FingerTrack = new FingerTrack();
if (!FingerTrack.ParseFingerTrack(xFingerTrack))
{
return(false);
}
FingerTracks.Add(FingerTrack);
} //foreach
return(true);
}
catch
{
}
return(false);
}
public CancellationTokenSource RetrieveMetaDataMuziekweb(string FingerTrackID, object userState = null, REST_ResultMetaDataMuziekweb callback = null)
{
if (string.IsNullOrEmpty(FingerTrackID))
{
return(null);
}
CancellationTokenSource cancelTokenSource = new CancellationTokenSource();
Task task = Task.Factory.StartNew(() =>
{
// Were we already canceled?
cancelTokenSource.Token.ThrowIfCancellationRequested();
DateTime startTime = DateTime.Now;
bool succes = true;
RecognizeCode RecognizeCode = RecognizeCode.OK;
string RecognizeResult = "";
try
{
RestClient client = CreateWSAPICDRNLClient;
// Build search request
RestRequest request = new RestRequest("v1/Fingerprint/TrackInfo.xml", Method.GET);
request.AddHeader("Accept-Encoding", "gzip,deflate");
request.AddParameter("FingerTrackID", FingerTrackID);
// Run and wait for result
IRestResponse response = client.Execute(request);
cancelTokenSource.Token.ThrowIfCancellationRequested();
if (response.ResponseStatus != ResponseStatus.Completed)
{
// error!
succes = false;
}
// decode xml on the fly (must be done because xml can get new tags and attributes without notice
XmlDocument xmlDoc = null;
XmlElement xResult = null;
if (succes)
{
xmlDoc = new XmlDocument();
xmlDoc.LoadXml(response.Content);
xResult = xmlDoc.GetElementsByTagName("Result")[0] as XmlElement;
if (xResult == null || xResult.Attributes["ErrorCode"].Value != "0")
{
// error
succes = false;
}
}
if (succes)
{
ResultSongs resultSongs = new ResultSongs();
succes = resultSongs.ParseSongs(xResult);
// do something with the result
cancelTokenSource.Token.ThrowIfCancellationRequested();
if (callback != null)
{
DoCallback(callback, this, true, resultSongs, userState);
}
// we're ready
return;
}
}
catch (Exception e)
{
RecognizeCode = RecognizeCode.EXCEPTION; // exception
RecognizeResult = e.ToString();
}
// return error result when we get here
if (callback != null)
{
ResultSongs resultSongs = new ResultSongs();
DoCallback(callback, this, false, resultSongs, userState);
}
}, cancelTokenSource.Token);
return(cancelTokenSource);
}
public CancellationTokenSource DetectAudioFragmentSlow(FingerprintSignature fingerprint, object userState = null, REST_ResultFingerDetect callback = null)
{
if (fingerprint == null)
{
return(null);
}
CancellationTokenSource cancelTokenSource = new CancellationTokenSource();
Task task = Task.Factory.StartNew(() =>
{
// Were we already canceled?
cancelTokenSource.Token.ThrowIfCancellationRequested();
DateTime startTime = DateTime.Now;
bool succes = true;
RecognizeCode RecognizeCode = RecognizeCode.OK;
string RecognizeResult = "";
try
{
RestClient client = CreateFingerprintClient;
// Build search request
RestRequest request = new RestRequest("fingerprint/Recognize/Slow", Method.POST);
request.AddHeader("Accept-Encoding", "gzip,deflate");
StringBuilder sb = new StringBuilder(200 * 1024);
sb.Append("Fingerprint=");
sb.Append(RestSharp.Contrib.HttpUtility.UrlEncode(fingerprint.SignatureBase64));
sb.Append("&");
sb.Append("Reliabilities=");
sb.Append(RestSharp.Contrib.HttpUtility.UrlEncode(fingerprint.ReliabilitiesBase64));
request.AddParameter("application/x-www-form-urlencoded", sb.ToString(), ParameterType.RequestBody);
// Run and wait for result
IRestResponse response = client.Execute(request);
cancelTokenSource.Token.ThrowIfCancellationRequested();
if (response.ResponseStatus != ResponseStatus.Completed)
{
// error!
succes = false;
RecognizeCode = RecognizeCode.EXCEPTION; // exception
RecognizeResult = response.ErrorMessage;
if (RecognizeResult.ToLower().Contains("timed out"))
{
RecognizeCode = RecognizeCode.TIMEOUT;
}
else if (RecognizeResult.ToLower().Contains("unable to connect"))
{
RecognizeCode = RecognizeCode.SERVERNOTFOUND;
}
}
// decode xml on the fly (must be done because xml can get new tags and attributes without notice
XmlDocument xmlDoc = null;
XmlElement xResult = null;
if (succes)
{
xmlDoc = new XmlDocument();
xmlDoc.LoadXml(response.Content);
xResult = xmlDoc.GetElementsByTagName("Result")[0] as XmlElement;
if (xResult == null || xResult.Attributes["ErrorCode"].Value != "0")
{
// error
succes = false;
}
}
if (succes)
{
ResultFingerprintRecognition resultRecognitions = new ResultFingerprintRecognition();
resultRecognitions.RecognizeCode = 0;
resultRecognitions.RecognizeResult = "OK";
succes = resultRecognitions.ParseFingerprintRecognition(xResult);
// do something with the result
cancelTokenSource.Token.ThrowIfCancellationRequested();
if (callback != null)
{
DoCallback(callback, this, true, resultRecognitions, userState);
}
// we're ready
return;
}
}
catch (Exception e)
{
RecognizeCode = RecognizeCode.EXCEPTION; // exception
RecognizeResult = e.ToString();
}
// return error result when we get here
if (callback != null)
{
ResultFingerprintRecognition resultRecognitions = new ResultFingerprintRecognition();
resultRecognitions.RecognizeCode = RecognizeCode;
resultRecognitions.RecognizeResult = RecognizeResult;
resultRecognitions.TimeStatistics.TotalQueryTime = DateTime.Now - startTime;
DoCallback(callback, this, false, resultRecognitions, userState);
}
}, cancelTokenSource.Token);
return(cancelTokenSource);
}
