[FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

Ronan Ricou r.ricou at b-architech.com
Wed Feb 7 15:06:19 EET 2018

The video itself seems fine (same duration, frame accurate), it's just that I don't know where the size difference come from and what information are lost.
I tried to open the file created by FFMPEG to BlackMagic Design Resolve software, and it won't.
As I don't have any problem with the original file, maybe something is missing in the MXF metadata.
I'm still searching what's wrong.

Best Regards,


-----Message d'origine-----
De : ffmpeg-user [mailto:ffmpeg-user-bounces at ffmpeg.org] De la part de Carl Eugen Hoyos
Envoyé : mercredi 7 février 2018 13:04
À : FFmpeg user questions <ffmpeg-user at ffmpeg.org>
Objet : Re: [FFmpeg-user] MXF XAVC UHD video stream modified while using the -copy option

2018-02-07 12:21 GMT+01:00 Ronan Ricou <r.ricou at b-architech.com>:
> Media info output, as I included in my initial question.

I don't think FFmpeg drops video data for your command line and I don't think MediaInfo would be able to show you such a drop.

Feel free to use third-party tools to extract the video streams and compare them, for example by counting frames.

Carl Eugen
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