/************************************************************************/
#region Private methods
private async void StartVideoRtsp()
{
int tryCount = 0;
string requestUri = string.Empty;
while (tryCount < Parms.ConnectionAttempts)
{
try
{
tokenSource = new CancellationTokenSource();
token = tokenSource.Token;
requestUri = $"{GetDeviceRoot(TransportProtocol.Rtsp)}/{VideoStreams[VideoStreamIndex].Path}";
/* if retrying, wait before another attempt */
if (tryCount > 0)
{
await Task.Delay(Parms.RetryWaitTime, token);
}
var serverUri = new Uri(requestUri);
var credentials = new NetworkCredential(Parms.UserId, Parms.Password);
var connectionParms = new RtspClientSharp.ConnectionParameters(serverUri, credentials)
{
RtpTransport = RtpTransportProtocol.TCP,
ConnectTimeout = TimeSpan.FromMilliseconds(Parms.Timeout),
};
using (var rtspClient = new RtspClient(connectionParms))
{
rtspClient.FrameReceived += RtspFrameRecieved;
await rtspClient.ConnectAsync(token).ConfigureAwait(false);
/* Once connected, reset the try count. If there's a network problem
* while receiving, we get another full set of retries
*/
tryCount = 0;
await rtspClient.ReceiveAsync(token).ConfigureAwait(false);
}
}
catch (OperationCanceledException)
{
/* when canceled, no more attempts */
tryCount = Parms.ConnectionAttempts;
}
catch (InvalidCredentialException ex)
{
/* bad credentials, no more attempts */
OnPluginException(new PluginException(requestUri, ex));
tryCount = Parms.ConnectionAttempts;
}
catch (Exception ex)
{
OnPluginException(new PluginException(requestUri, ex));
tryCount++;
}
}
}
public RtspClient(ConnectionParameters connectionParameters)
{
ConnectionParameters = connectionParameters ??
throw new ArgumentNullException(nameof(connectionParameters));
}
