[FFmpeg-trac] #6473(undetermined:new): optional -i input (with more inputs)

[FFmpeg]

#6473: optional -i input (with more inputs)
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             Reporter:  milanc       |                     Type:
               Status:  new          |  enhancement
            Component:               |                 Priority:  minor
  undetermined                       |                  Version:  git-
             Keywords:               |  master
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
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 Hello, I have example. Two input videos/udp streams with overlay
 filter_complex without.
 V1 is bottom and V2 is top.
 My idea - when V2 source fails, V1 stills playable. V1 could be static
 image with message "sorry, video source not available...".
 but when V2 (or V1) input fails, encoding is stopped.
 Is there a possibility of optional source?

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Ticket URL: <https://trac.ffmpeg.org/ticket/6473>
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