[FFmpeg-user] Creating CBR and Interlaced video

[Carl Eugen Hoyos]

Kosta Vlotis <kosta.brazzers <at> gmail.com> writes:

> ffmpeg -async 2 -i .\pup.mp4 -c:v libx264 -vprofile main 
> -level 30 -refs 4 -b:v 2000k -minrate 2000k -maxrate 2000k 
> -bufsize 2000k -s 480x480 -aspect 4:3 -vf "tinterlace=merge" 
> -c:a ac3 -b:a 192k -ar 48k test.ts
> 
> my understanding is that this command should produce an interlaced

> video with a CFR frame rate.

If you want constant frame rate, add a frame rate 
to your command line.

Afaik, real-world codecs (like h264) can never be 
constant frame size (if that is what you mean), so 
I don't think setting minrate=maxrate makes sense.

Carl Eugen