[FFmpeg-trac] #8497(avfilter:closed): drawbox should support time

[FFmpeg]

#8497: drawbox should support time
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             Reporter:  puneet       |                    Owner:
                 Type:  enhancement  |                   Status:  closed
             Priority:  normal       |                Component:  avfilter
              Version:  git-master   |               Resolution:
                                     |  needs_more_info
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by puneet):

 I will tell you what I want to do, and let me know if it possible using
 simple commands.

 Sample Video:- https://automated-videos.s3.ap-
 south-1.amazonaws.com/v8J5QCcs.mp4

 In this video white box is coming up from bottom, with increase in time.
 Now in order to that, I have added multiple drawbox in loop with enable
 condition.

 What is the best way to do this??

 I can see that drawtext supports t, then why does drawbox does not support
 that.

 I don't know about the internals of ffmpeg that how it works, but by
 looking it into a simpler way as abstraction, it should work.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8497#comment:6>
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