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

[Ulf Zibis]

Am 04.03.20 um 11:41 schrieb James Darnley:
> On 2020-03-04 01:51, Ulf Zibis wrote:
>> But how to transfer it to the output video?
> 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

-Ulf