[FFmpeg-trac] #7317(avfilter:new): showinfo filter add metadata mode

[FFmpeg]

#7317: showinfo filter add metadata mode
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             Reporter:  nicol     |                     Type:  enhancement
               Status:  new       |                 Priority:  wish
            Component:  avfilter  |                  Version:  git-master
             Keywords:  metadata  |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 I found showinfo filter add metadata mode at cho-dev/FFmpeg-jwmod.

 libavfilter/vf_showinfo.c: Add metadata mode
 https://github.com/cho-dev/FFmpeg-
 jwmod/commit/b9e921961be686b45dac7fcf8e823dac6be3d7c9
 Reading and drawing metadata with drawtext filter, like this
 drawtext=fontfile=foobar.ttf:text='%%{metadata\:lavfi.showinfo.T.HMS}'

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Ticket URL: <https://trac.ffmpeg.org/ticket/7317>
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