[FFmpeg-user] How to improve this video structuring command

Carl Zwanzig cpz at tuunq.com
Fri Dec 11 19:37:00 EET 2020

On 12/10/2020 5:28 PM, cooker.chen wrote:
>      I use this command.But sometimes get wrong result;How can i improve this
> command;
>     ffmpeg -loglevel debug -v 24 -ss 0 -i input.MOV -dn -force_key_frames
> "expr:gte(t,n_forced*5)" -vf "scale=w=960:h=540:flags=fast_bilinear" -c:v
> libx264 -preset superfast -x264-params keyint=100 -tune film -crf 28 -c:a
> aac -b:a 64k -avoid_negative_ts disabled -f segment -segment_time 5
> -segment_start_number 0 -segment_format mp4 -segment_list_type ffconcat
> -reset_timestamps 1 %03d.mp4

It would be helpful to explain what you're trying to do and what "wrong 
result" means; also to provide the full command output of both a successful 
and failing attempt.



More information about the ffmpeg-user mailing list