[FFmpeg-user] ffmpeg split file retains original length

Carl Eugen Hoyos cehoyos at ag.or.at
Sun Feb 15 16:56:04 CET 2015

Jonathan Livni <jonathan.livni <at> gmail.com> writes:

> ffmpeg -ss 0 -t 00:30:00 -i in.mp4 -acodec copy 
> -vcodec copy out.mp4

Complete, uncut console output missing.

> The split was successful and out.mp4 was created 
> with the first 30m. However... even though the 
> video stops after 30m, all video players show the 
> video length as still being 1h long

Please provide the complete, uncut console 
output of "ffmpeg -i out.mp4"

Carl Eugen

More information about the ffmpeg-user mailing list