/// <summary>
/// Start the auto answer recorder.
/// </summary>
/// <param name="recordFilename">The path and filename where the conversation is to be recorded to. Currently ".wav" is supported on all platforms.</param>
public void StartAutoAnswerRecorder(string recordFilename)
{
if (_recorderAutoAnswer == null)
{
try
{
// If audio device exists.
if (_audioMedias.Count > 0)
{
// Create the recorder.
_recorderAutoAnswer = new AudioMediaRecorder();
_recorderAutoAnswer.CreateRecorder(recordFilename, 0, 0, 0);
_recorderAutoAnswer.Start(_audioMedias[0]);
}
else
{
// No audio media device has been captured.
throw new Exception("No audio media has been detected.");
}
}
catch (Exception)
{
try
{
_recorderAutoAnswer.Dispose();
}
catch { }
_recorderAutoAnswer = null;
throw;
}
}
}
/// <summary>
/// Notify application when call state has changed.
/// Application may then query the call info to get the
/// detail call states by calling getInfo() function.
/// </summary>
/// <param name="sender">The current sender.</param>
/// <param name="e">The event parameter.</param>
private void _call_OnCallState(object sender, OnCallStateParam e)
{
Nequeo.Net.PjSip.CallInfo ci = e.Info;
if (ci != null)
{
_info = null;
try
{
// Create the call info.
_info = new CallInfoParam();
_info.CallID = ci.Id;
_info.Guid = _guid;
_info.Contact = ci.RemoteContact;
_info.FromTo = ci.RemoteUri;
_info.Date = DateTime.Now;
_info.ConnectDuration = new TimeSpan(0, 0, 0, ci.ConnectDuration.Seconds, ci.ConnectDuration.Milliseconds);
_info.TotalDuration = new TimeSpan(0, 0, 0, ci.TotalDuration.Seconds, ci.TotalDuration.Milliseconds);
}
catch { _info = null; }
Param.CallStateParam callState = new CallStateParam();
callState.CallID = ci.Id;
callState.State = ci.State;
callState.CallInfo = _info;
try
{
// Handle the event.
OnCallState?.Invoke(this, callState);
// Set the contact name.
_info.ContactName = callState.ContactName;
}
catch { }
// If call is disconnected.
if ((ci.State == InviteSessionState.PJSIP_INV_STATE_DISCONNECTED) ||
(ci.State == InviteSessionState.PJSIP_INV_STATE_NULL))
{
// If current call.
if (e.CurrentCall != null)
{
try
{
// Cleanup the call.
e.CurrentCall.Dispose();
e.CurrentCall = null;
}
catch { }
}
// If recoder.
if (_recorder != null)
{
try
{
// Stop the recorder.
AudioMedia audioMedia = _mediaManager.GetCaptureDeviceMedia();
_recorder.Stop(audioMedia);
}
catch { }
try
{
// Cleanup the recoder.
_recorder.Dispose();
_recorder = null;
}
catch { }
}
// If auto answer recoder.
if (_recorderAutoAnswer != null)
{
try
{
// Cleanup the recoder.
_recorderAutoAnswer.Dispose();
_recorderAutoAnswer = null;
}
catch { }
}
// If sound player.
if (_player != null)
{
try
{
// Cleanup the recoder.
_player.Dispose();
_player = null;
}
catch { }
}
// If video window.
if (_videoWindow != null)
{
try
{
_hasVideo = false;
// Cleanup the video window.
_videoWindow.Dispose();
_videoWindow = null;
}
catch { }
}
// Cleanup the audio media.
if (_audioMedias != null)
{
_audioMedias.Clear();
_audioMedias = null;
}
}
// If call is disconnected.
if ((ci.State == InviteSessionState.PJSIP_INV_STATE_DISCONNECTED) ||
(ci.State == InviteSessionState.PJSIP_INV_STATE_NULL))
{
try
{
// Handle the event.
OnCallDisconnected?.Invoke(this, _info);
}
catch { }
}
}
}