Sone248subjavhdtoday015730 Min Fixed -
Remuxing fixes many duration issues:
Use ffprobe (part of FFmpeg):
ffmpeg -i broken.mp4 -t 30 -c:v libx264 -c:a aac output.mp4 (replace 30 with true length in seconds) sone248subjavhdtoday015730 min fixed
It is not possible to write a coherent, long-form article based on the keyword you provided: Remuxing fixes many duration issues: Use ffprobe (part