[FFmpeg-trac] #10479(avutil:new): Factor bswap_buf and shuffle_bytes_3210

[FFmpeg]

#10479: Factor bswap_buf and shuffle_bytes_3210
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             Reporter:  Rémi Denis-  |                    Owner:  (none)
  Courmont                           |
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:  avutil
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Description changed by Rémi Denis-Courmont:

Old description:

> By the look of them, libavcodec's `bswap_buf` and libswscale's
> `shuffle_bytes_3210` are the exact functions: 32-bit aligned byte-wise
> swap.
>
> They should presumably be factored into libavutil.

New description:

 By the look of them, libavcodec's `bswap_buf` and libswscale's
 `shuffle_bytes_3210` are the exact same functions: 32-bit aligned byte-
 wise swap.

 They should presumably be factored into libavutil.

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Ticket URL: <https://trac.ffmpeg.org/ticket/10479#comment:2>
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