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[BUG] No warning given to invalid preview argument

lurch opened this issue · comments

commented

I was just using rpicam-hello -p 640,480 -t 10000 and I thought the preview option wasn't working, as it was still displaying the preview-window at the same size as rpicam-hello -t 10000. However after checking the output of rpicam-hello --help I realised that I should have been using e.g. rpicam-hello -p 50,50,640,480 -t 10000.

It seems like if the -p flag is given an invalid argument, it just ignores the whole flag - it might be more useful if it displayed a warning message in the terminal output?

commented

Also, AFAIK under Wayland an application-window can't explicitly set its offset, so perhaps the -p flag should also allow a two-argument version, in addition to the existing four-argument version? 🤷 (with of course 1 or 3 arguments still printing out a warning, as I originally requested).