[FFmpeg-trac] #11256(avfilter:new): How to use "curves" filter with "hwupload" in FFmpeg?

[FFmpeg]

#11256: How to use "curves" filter with "hwupload" in FFmpeg?
--------------------------------------+------------------------------------
             Reporter:  elias tsolis  |                    Owner:  (none)
                 Type:  task          |                   Status:  new
             Priority:  normal        |                Component:  avfilter
              Version:  7.0           |               Resolution:
             Keywords:  curves        |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+------------------------------------
Comment (by elias tsolis):

 dont work

  {{{
 ffmpeg  -hwaccel vaapi -hwaccel_output_format yuv420p -vaapi_device
 /dev/dri/renderD128 -i b.mp4 -vf 'curves=all='\"0/0 0.5/0.58
 1/1'\",format=nv12,hwupload,format=nv12'             -strict experimental
 -c:v hevc_vaapi cp.mp4
 }}}


  {{{
 'curves=all=‘\’0/0 0.5/0.58 1/1‘\’
 'curves=all='\'0/0 0.5/0.58 1/1'\'
 'curves=all=\'0/0 0.5/0.58 1/1\'
 'curves=all='\"0/0 0.5/0.58 1/1\"'
 'curves=all=''0/0 0.5/0.58 1/1\''
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11256#comment:6>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker