Opened 10 years ago
Closed 8 years ago
#4569 closed defect (needs_more_info)
DNxHD as Input produce wrong color/gamma in output
| Reported by: | jb_alvarado | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | undetermined |
| Version: | unspecified | Keywords: | |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
We try to convert DNxHD files to x264/mp4, to prores we have also try, so I guess the output format doesn't matter. The output has always wrong colors, it looks like a wrong gamma value or something similar.
The DNxHD files comes from adobe media encoder and have a bt709 matrix. I put a picture to the post. The left side is the original DNxHD and the right side is x264. You see more saturation in the middle tone and all is a bit darker.
My command is:
ffmpeg -i dnxhd45.mov -pix_fmt yuv420p -c:v libx264 -crf 21 -preset slower -c:a libfdk_aac -b:a 128k output.mp4
Attachments (1)
Change History (7)
by , 10 years ago
| Attachment: | DNxHD_to_any.jpg added |
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comment:1 by , 10 years ago
| Summary: | DNxHD as Input produce from color/gamma in output → DNxHD as Input produce wrong color/gamma in output |
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comment:2 by , 10 years ago
What are you using to play the h264 file? Quicktime has known h264 gamma problems for years.
comment:3 by , 10 years ago
I have compare them in After Effects. Opening the x264/mp4 file have in the most players color problems. In Quick Time, VLC and Premiere. Only in ffplay it looks good.
So maybe there is only a problem with the metadata?!
comment:4 by , 10 years ago
Ok a other information to:
When I use a DNxHD file with RGB Color space, instead of bt709, everything is ok.
comment:5 by , 10 years ago
Please provide your command line together with the complete, uncut console output and the input sample to make this a valid ticket.
comment:6 by , 8 years ago
| Resolution: | → needs_more_info |
|---|---|
| Status: | new → closed |
No samples, can not reproduce
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