StartFrameReaderAsync can't be stopped when rtsp is offline #9
Description
I'm using Nager.VideoStream for getting frames from a security camera on a Windows 10 PC with a .NET framework 4.8 application.
When the source is offline/not reachable, it is not possible to stop StartFrameReaderAsync.
Even when you cancel the provided CancellationToken, StartFrameReaderAsync won't stop.
The only way to then stop it, is by closing my entire application.
I reproduced this issue in the Nager.VideoStream.TestConsole by only changing:
- The input source:
var inputSource = new StreamInputSource("my_secret_rtsp_url"); - The location of the ffmpeg.exe:
var client = new VideoStreamClient(@"my_secret_folder\ffmpeg.exe");
The console application clearly cancels the cancellation token:
Console.WriteLine("Press any key for stop");
Console.ReadKey();
cancellationTokenSource.Cancel();
Console.WriteLine("Press any key for quit");
Console.ReadKey();
But this console writeline is never executed:
Console.WriteLine("End Stream Processing");
In my application I need to call StartFrameReaderAsync quite frequently.
That means without proper cancellation, multiple StartFrameReaderAsync threads will be active at the same time.
This is a major performance issue for my application when the camera is offline/not reachable.