On 3/9/2018 7:05 AM, Pierre Pasquet wrote:
I have tried your solution and here’s what I get : Unable to find a suitable 
output format for 'color=s=:c=black:r='
color=s=:c=black:r=: Invalid argument

You can't just drop in "color=s=$outFormat:c=black:r=$videoRate" and expect it to work unless variables outFormat and videoRate are defined. Take a look at the color filter docs for the relevant values. (For me, both outFormat and videoRate are usually "ntsc").

z!
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