[FFmpeg-user] dvd ntsc complaint mpg2 with lower than preset rate

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Apr 9 20:07:29 CEST 2013


Jim Shupert <jshupert <at> pps-inc.com> writes:

> ffmpeg -y -i /media/data/dvd-m/Hunt-003-b.mpg 
> -vcodec mpeg2video -pix_fmt yuv420p -target ntsc-dvd 
> -sample_fmt flt -maxrate 4500k -minrate 1200k
> -aspect 4:3 /media/data/dvd-m/Hunt-003.mpg

(I suspect that -sample_fmt flt is unneeded and 
you don't have to specify the aspect at least 
for your input sample.)

You have to specify the encoder bitrate if you 
specify a (muxing) maxrate.

Carl Eugen



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