public async Task <StreamTask> AddTask(RtspIdentity rtspIdentity, Size convertResolution,
RtspAuthentication authentication)
{
if (StreamTasks.TryGetValue(rtspIdentity, out var streamTask))
{
if (streamTask.IsRunning)
{
return(streamTask);
}
}
else
{
streamTask = new StreamTask(rtspIdentity, this);
while (!StreamTasks.TryAdd(rtspIdentity, streamTask))
{
}
}
if (!streamTask.IsRunning)
{
try
{
await streamTask.RunAsync(DefaultUsername ?? authentication.Credential.UserName, DefaultPassword ?? authentication.Credential.Password, convertResolution);
}
catch (Exception ex)
{
StreamTasks.TryRemove(rtspIdentity, out _);
throw;
}
streamTask.ProcessExit += StreamTask_ProcessExit;
}
return(streamTask);
}
private void StreamTask_ProcessExit(StreamTask obj)
{
while (!StreamTasks.TryRemove(obj.Identity, out _))
{
}
}
private void StreamTask_ProcessExit(StreamTask obj)
{
_heartBeatDictionary.TryRemove(obj.Identity, out _);
}