#10807: FFmpeg doesn't get quant parameter from input files for deblocking
filters
-------------------------------------+-------------------------------------
Reporter: Lirk | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
This problem appeared in version 4.4 (09.04.2021) and the last precompiled
version without this problem was 4.3.2 (21.02.2021). For example, with
using pp7 filter without specifying the quant parameter, result will be
"green screen", other deblocking filters just have no any effect on the
output video, this problem affects all deblocking filters.
{{{
% ffmpeg -i file.avi/mpg -vf pp7 green_screen.mp4
ffplay version 2024-01-14-git-34a47b97de-full_build-www.gyan.dev Copyright
(c) 2003-2024 the FFmpeg developers
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/10807>
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