[FFmpeg-devel] [PATCH] fate: add tests for psnr and ssim filter

Nicolas George george at nsup.org
Wed Jul 19 18:06:30 EEST 2017

Le primidi 1er thermidor, an CCXXV, Tobias Rapp a écrit :
> Indeed they are remainders from previous edits. It seems that stripping any
> whitespace within the filter string is enough to ensure that it is passed as
> one argument token to ffmpeg. So fixed locally.

I suppose you left the quotes, otherwise the semicolon separates
commands and the brackets are globbing patterns.

> >>+	-f null /dev/null
> BTW: Is it OK to redirect output to "/dev/null" here or does this introduce
> an unwanted platform dependency (i.e. blocks FATE from running on
> MSYS/Windows)?

With -f null, you can put anything you want there. I usually put -, but
that is just a convenience to be able to change it to "-f fmt - | cmd".


  Nicolas George
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