Cancel does not cancel ffmpeg.exe

[dm413]

If I pass a CancellationToken to ConvertAsync (for example), and then call Cancel() on the Token, the ffmpegnet library throws an exception with the message "A task was cancelled". That is good. However, the ffmpeg.exe process is not cancelled, and it continues to run in the background to completion, which can of course take a long time and consume large resources depending on the task.

I suggest that the library should catch the cancel exception, and abort the ffmpeg.exe process, and then rethrow the exception or throw one of your own exceptions. I believe you can abort the ffmpeg.exe process by sending "q" to the input stream of the process. This is better than just killing the process because "q" will leave the output file in a valid state.

[cmxl]

your help is very much appreciated!
thanks for contributing :)

Edit:
Let me just fix the build. Changes should be included in the next version 👍