[FFmpeg-trac] #1430(avfilter:open): More efficient deshake filter

[FFmpeg]

#1430: More efficient deshake filter
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             Reporter:  ubitux       |                    Owner:  flexman
                 Type:  enhancement  |                   Status:  open
             Priority:  wish         |                Component:  avfilter
              Version:  unspecified  |               Resolution:
             Keywords:  deshake      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by flexman):

 Why is an external library no solution? ffmpeg relies on many external
 libs!
 The external lib is a 2-pass version. (I also have a single pass one for
 transcode at the moment, but it suffers from the same problem that you
 cannot look into the future and thus the corrections are worse).
 Buffering is not problem, but you have to produce frames for every frame
 you read so you cannot wait for say 10 frames before you output anything.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1430#comment:19>
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