[FFmpeg-trac] #7037(avcodec:open): ffmpeg destroys HDR information when encoding

FFmpeg trac at avcodec.org
Mon Dec 16 15:21:54 EET 2019

#7037: ffmpeg destroys HDR information when encoding
             Reporter:  mario66      |                    Owner:  cehoyos
                 Type:  enhancement  |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  libx265 hdr  |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by Balling):

 Again. Wrong. Any modern display is HDR, just because it is brighter than
 100 nit. SDR should be 100 nit max! When you calibrate OLED TV you need to
 set maximum brightness for SDR, and it is 100 nit is dark room and 200 nit
 in light room. That is the point! With hdr you cannot manipulate the
 brightness. Okay? Just cannot!!! HDR manipulation should be blocked (it is
 not on android and in many cases but it should be, okay?).

 See this https://www.youtube.com/watch?v=0XTgz5Z1bhE
 and https://www.youtube.com/watch?v=bwdDPxrmWPw

Ticket URL: <https://trac.ffmpeg.org/ticket/7037#comment:38>
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