2018-05-01 22:35 GMT+02:00, Julian Cooper <youcanreachjul...@gmail.com>:
> I'm using the ffmpeg CLI to pre-process AVC and HEVC MP4s. Part of that > pre-processing involves moving the 'moov' atom to the head of the MP4. The > 'moov' atom contains a 'udta' with metadata I would like to preserve. The > 'moov/udta' atom is being dropped when calling: > > ffmpeg -i source.mp4 -c copy -movflags +faststart faststart.mp4 You misunderstand: This command does not take an mp4 file and move its atoms around. It reads an mp4 file and writes a new mp4 file with many different attributes. The tool you need is qt-faststart which is also part of the FFmpeg project. Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
