This is how to save a video stream in 60 second intervals with the current date and time as the filename using FFmpeg.
Putting the saved stream into segments means you can access the saved content without having to stop the FFmpeg process.
ffmpeg -i inputurl -c copy -f segment -strftime 1 -segment_time 60 %Y-%m-%d-%H-%M-%S.mp4
-segment_time 60 makes each ‘video’ (segment) 60 seconds long.
-strftime 1 allows for datetime formatting to be used in the output name.
%Y is year, %m month, %d day of the month, %H is hour in 24h format, %M is minute and %S is seconds.
By using the above command i could see a filename sequence such as: