[FFmpeg-user] Why are these different?

[Mark Filipak]

Why are these different?
ffmpeg -ss 20.061708333 -copyts -i %SOURCE% -map 0 -c copy -sn -dn -muxdelay 0 %TARGET%
ffmpeg -copyts -i %SOURCE% -map 0 -ss 20.061708333 -c copy -sn -dn -muxdelay 0 %TARGET%

The DTSs are different. The PTSs are different. The cuts are at different running times. The 
mistakes -- they both make mistakes -- are different.

--Mark.