Opened 5 months ago
Last modified 5 months ago
#10733 new defect
nlmeans_vulkan Filter Generates Artefacts
Reported by: | solchi | Owned by: | |
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Priority: | normal | Component: | avfilter |
Version: | git-master | Keywords: | filters vulkan |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description (last modified by )
Summary of the bug: Applying the nlmeans_vulkan filter produces various video artefacts. These video artefacts usually present on the right-hand side of the video as rogue green pixels. Sometimes this behaviour can be found at the bottom of the effected video as well.
How to reproduce:
% ffmpeg -init_hw_device vulkan=vk:0 -filter_hw_device vk -i inputfile.mkv -vf hwupload,nlmeans_vulkan=s=5,hwdownload,format=yuv420p -c:v libx264 -b:v 0 -crf 18 -tune fastdecode -map 0:0 outputfile.mkv ffmpeg version 6.1 Copyright (c) 2000-2023 the FFmpeg developers built with gcc 13 (Gentoo 13.2.1_p20230826 p7)
Zip file contains: full-uncut console output, vulkaninfo, source and effected video and other possible relevant information.
URL to Zip File: https://mega.nz/file/4TFTULAK#fyvLj4QdZIHxa3aZiqVsVSSrE07L7o1U4nkxNfnduaM
(Note: other vulkan filters were tested and appear to be functioning as expected e.g. flip_vulkan or gblur_vulkan)
Change History (3)
comment:1 by , 5 months ago
Summary: | nlmean_vulkan Filter Generates Artefacts → nlmeans_vulkan Filter Generates Artefacts |
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comment:2 by , 5 months ago
Description: | modified (diff) |
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comment:3 by , 5 months ago
Description: | modified (diff) |
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