Sone248subjavhdtoday015730 Min Fixed -

It is not possible to write a coherent, long-form article based on the keyword you provided:

ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 broken.mp4 If output is huge (e.g., 943800 seconds), the duration metadata is wrong. sone248subjavhdtoday015730 min fixed

Use ffprobe (part of FFmpeg):

Remuxing fixes many duration issues: