/// <summary>
/// Get the image for a particular call
/// </summary>
/// <param name="conversationResult"></param>
/// <returns></returns>
public static HttpResponseMessage GetVideoImageResponse(string callId)
{
RealTimeMediaCall mediaCall = RealTimeMediaCall.GetCallForCallId(callId);
if (mediaCall == null)
{
return(new HttpResponseMessage(HttpStatusCode.NotFound));
}
MediaSession mediaSession = mediaCall.MediaSession;
Log.Info(new CallerInfo(), LogContext.FrontEnd, $"[{callId}] Received request to retrieve image for call");
Bitmap bitmap = mediaSession.CurrentVideoImage;
if (bitmap == null)
{
return(new HttpResponseMessage(HttpStatusCode.NotFound));
}
HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK);
response.Content = new PushStreamContent((targetStream, httpContext, transportContext) =>
{
using (targetStream)
{
bitmap.Save(targetStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}, new MediaTypeHeaderValue("image/jpeg"));
response.Headers.Add("Cache-Control", "private,must-revalidate,post-check=1,pre-check=2,no-cache");
string url = $"{Service.Instance.Configuration.AzureInstanceBaseUrl}/{HttpRouteConstants.CallSignalingRoutePrefix}/{HttpRouteConstants.Image}";
url = url.Replace("{callid}", callId);
response.Headers.Add("Refresh", $"3; url={url}");
return(response);
}
private Task OnAnswerAppHostedMediaCompleted(AnswerAppHostedMediaOutcomeEvent answerAppHostedMediaOutcomeEvent)
{
try
{
Log.Info(new CallerInfo(), LogContext.FrontEnd, $"[{CallId}] OnAnswerAppHostedMediaCompleted");
AnswerAppHostedMediaOutcome answerAppHostedMediaOutcome = answerAppHostedMediaOutcomeEvent.AnswerAppHostedMediaOutcome;
if (answerAppHostedMediaOutcome.Outcome == Outcome.Failure)
{
Log.Info(new CallerInfo(), LogContext.FrontEnd, $"[{CallId}] AnswerAppHostedMedia failed with reason: {answerAppHostedMediaOutcome.FailureReason}");
//cleanup internal resources
MediaSession.Dispose();
}
else
{
answerAppHostedMediaOutcomeEvent.RealTimeMediaWorkflow.NotificationSubscriptions = new NotificationType[] { NotificationType.CallStateChange };
}
return(Task.CompletedTask);
} catch (Exception ex)
{
Log.Info(new CallerInfo(), LogContext.FrontEnd, $"[{CallId}] threw {ex.ToString()}");
throw;
}
}
