[FFmpeg-trac] #5972(avfilter:reopened): Zscale st_2084 transfer function from ZIMG

FFmpeg trac at avcodec.org
Wed Nov 30 18:23:49 EET 2016

#5972: Zscale st_2084 transfer function from ZIMG
             Reporter:  muxketeer    |                    Owner:
                 Type:  enhancement  |                   Status:  reopened
             Priority:  wish         |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  libzimg      |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by v0lt):

 How to convert HDR in the SDR via zscale?
 zscale receives HDR data from avcodec?

 I used a simple command
 ffplay -i "The World in HDR.mkv" -vf zscale=size=hd720
 but there is no conversion necessary.

Ticket URL: <https://trac.ffmpeg.org/ticket/5972#comment:8>
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