[FFmpeg-trac] #7466(undetermined:open): scaled mjpeg movies from ProRes have lifted black
FFmpeg
trac at avcodec.org
Sun Apr 30 20:27:20 EEST 2023
#7466: scaled mjpeg movies from ProRes have lifted black
-------------------------------------+-------------------------------------
Reporter: Brendan | Owner: (none)
Bolles |
Type: defect | Status: open
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by Balling):
Checked with YUView, so black is 12 bit YUVA 0x100 (256), 0x800, 0x800
(2048) and some value for A (YUView zoom box cannot show A), so yes, this
is correct, 2048 is achromatic value for Cb, Cr and 256 for narrow range
black Y.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7466#comment:3>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list