> Dear Sir, > I want to use the above parameter for FFmpeg 4.1 > Its working fine in FFmpeg 2.6 version but not supported by 4.1 version. > Please provide a solution and asap to include parameter in > psz_cqm_file=8-0-8. Does that mean you have a file named "8-0-8”? In that case maybe try replacing the parameter with cqmfile