[FFmpeg-user] Creating ffv1 full-range and broadcast-range files

[Andy Furniss]

Carl Eugen Hoyos wrote:
> Andy Furniss <adf.lists <at> gmail.com> writes:
>
>> ffmpeg -i ramp-yuv444p.nut -pix_fmt yuv420p -vf
>> scale=in_range=pc:out_range=pc
>
> In this command line "-pix_fmt" clobbers the scale filter, I don't
> think we guarantee where in the filterchain -pix_fmt is added.

I am a bit confused now - the scale ranges work as expected, I checked
the levels, and have just re-created and re-checked.

> Or in other words: Never mix -pix_fmt with the format or the scale
> filter.

OK, so do you have an example of how to do this without -pix_fmt?

I see scale has fmt=integer, but is it documented anywhere what integer
to use for a given format?