[FFmpeg-user] Drawtext and Metadata

[Grant Griffith]

I've tested many variation on the metadata flag, but per the recommendation
earlier I've tried this. It will error out and just won't print anything.

The command I'm attempting...

./ffmpeg -i "$1" \
-vf "select=gt(scene\,0.087),\
scale=192:-1,\
tile=10x10,\
drawtext="fontfile=/System/Library/Fonts/Helvetica.ttc":\
text='%{metadata=print\:key=duration}' :\
fontcolor=magenta:\
shadowx=3:\
shadowy=3:\
shadowcolor=black at .7:\
fontsize=60\:\
x=(w-text_w)/2:\
y=(h-text_h)/2:\
box=1:\
boxcolor=lime at .45:\
boxborderw=200:" \
-hide_banner \
-v error \
-frames:v 1 \
-q:v 7 \
"${output}"


Variations - no error, just no output or the last value e.g. "Duration"---
text='%{metadata\:print\:key=Duration}'
text='%{metadata\:0\:Duration}'
text='%{metadata\:creation_date}'
text='%{metadata\:Creator}'
text='%{metadata\:filename}'

The output of those variations looks like this:
https://imgur.com/a/jdohoLa

On Tue, Oct 16, 2018 at 4:51 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2018-10-16 22:35 GMT+02:00, Grant Griffith <grant.griffith at mono-1.com>:
> > No luck. "[Parsed_drawtext_3 @ 0x7fd419428000] %{metadata=print}
> > is not knowned=   0x   "
>
> Please provide the command line you tested together with the complete,
> uncut console output.
>
> Carl Eugen
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-- 


Grant Griffith
IT Manager

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