[FFmpeg-trac] #7571(ffmpeg:new): Information about input color space

FFmpeg trac at avcodec.org
Tue Nov 27 14:06:12 EET 2018

#7571: Information about input color space
             Reporter:  Ilya87       |                     Type:
               Status:  new          |  enhancement
            Component:  ffmpeg       |                 Priority:  normal
             Keywords:  color space  |                  Version:
             Blocking:               |  unspecified
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
 Summary of the bug: ffmpeg even with -loglevel debug provides no data
 about input colorspace that will be used later by encoder.
 How to reproduce:
 % ffmpeg -loglevel 5 -i bd.mkv
 ffmpeg version 4.1
 built on Antergos Linux
 Using the command -vf colorspace=all=bt601-6-625:iall=bt601-6-625 I found
 out that ffmpeg treats input video as BT.601 (I compared first screenshot
 made with -frames:v 1 default.png with screenshot made using this filter).
 Why not BT.709? Where does ffmpeg get the information?

 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

Ticket URL: <https://trac.ffmpeg.org/ticket/7571>
FFmpeg <https://ffmpeg.org>
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