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

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Mar 4 01:48:16 EET 2020


Am Mi., 4. März 2020 um 00:16 Uhr schrieb James Darnley
<james.darnley at gmail.com>:
>
> On 2020-03-03 23:07, Ulf Zibis wrote:
> > $ ~/Projects/ffmpeg/ffmpeg-git-20200211-amd64-static/ffmpeg -i
> > 20200205_165401.mp4 -f ffmetadata 20200205_165401.meta
>
> > Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '20200205_165401.mp4':
> >   Metadata:
> >     major_brand     : mp42
> >     minor_version   : 0
> >     compatible_brands: isommp42
> >     creation_time   : 2020-02-05T19:55:01.000000Z
> >     location        : -00.7655-047.1715/
> >     location-eng    : -00.7655-047.1715/
> >     com.android.version: 8.0.0
> >   Duration: 00:00:58.65, start: 0.000000, bitrate: 17273 kb/s
>
> > File '20200205_165401.meta' already exists. Overwrite? [y/N] y
> > Output #0, ffmetadata, to '20200205_165401.meta':
> >   Metadata:
> >     major_brand     : mp42
> >     minor_version   : 0
> >     compatible_brands: isommp42
> >     com.android.version: 8.0.0
> >     location        : -00.7655-047.1715/
> >     location-eng    : -00.7655-047.1715/
> >     encoder         : Lavf58.38.100
> > Stream mapping:
> > Press [q] to stop, [?] for help
>
> It is clearly present in the input file's metadata so how is it not
> copied into the output file?

It shouldn't be (and isn't) copied.

Carl Eugen


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