[FFmpeg-user] filter ffmetadata does not output all metadata and is missing in documentation

Ted Park kumowoon1025 at gmail.com
Sat Mar 7 16:07:13 EET 2020


>> Modify ffmpeg to remove the line I showed before, currently in
>> fftools/ffmpeg_opt.c at line 2608.
>> Or get o->metadata_global_manual to be false.  You seem to be able to do
>> that with -map_metadata 0 but I thought that was the default anyway.
>> I manually added creation_time to a file, used that as input for an
>> ffmetadata output and sure enough, there it was.  To which I said "what
>> the flaming fuck".
> Another workaround is:
> ffmpeg -i INPUT.mp4 -map_metadata 0 -f ffmetadata INPUT.meta

Is it possible that half the time the creation_time is from the filesystem and not actual metadata stored within the file or container?

Ted Park

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