[FFmpeg-trac] #11448(swscale:new): swscale ignores param0/param1

FFmpeg trac at avcodec.org
Tue Feb 4 20:17:37 EET 2025


#11448: swscale ignores param0/param1
-------------------------------------+-------------------------------------
             Reporter:  b7j6abhi3q   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  swscale      |                  Version:
                                     |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: Passing different values of param0 and param1 to the
 scale filter produces identical output when it shouldn't.
 How to reproduce:
 {{{
 % ffmpeg -i input -vf scale=-2:540:flags=bicubic:param0=1:param1=0 -f hash
 -
 SHA256=7083e8d529bc9639a0db1d9aff4253442fa227ac632e19151e863b91611c200d
 % ffmpeg -i input -vf scale=-2:540:flags=bicubic:param0=0:param=0.5 -f
 hash -
 SHA256=7083e8d529bc9639a0db1d9aff4253442fa227ac632e19151e863b91611c200d

 ffmpeg version N-118406-g957eb2323a-20250203
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11448>
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