[FFmpeg-user] pix_fmt gray problem with pnm encoder

[Carl Eugen Hoyos]

C. Bassa <cgbsat <at> gmail.com> writes:

> By default these are in the P6 format and hence are
> 24bit RGB. Since the input is grayscale I have tried using -pix_fmt
> gray to convert it to 8bit grayscale (P5), but I can not get this to
> work.

Command line together with complete, uncut console output (and 
probably a sample) missing.

Carl Eugen