#10661: FFmpeg 6.1 nlmeans_vulkan video filter has visual defects
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Reporter: acedogblast | Type: defect
Status: new | Priority: normal
Component: avfilter | Version: 6.0
Keywords: vulkan filter | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Summary of the bug:
Running FFmpeg 6.1 using nlmeans_vulkan produces visual defects on the
left side of the video. This defects can contain a solid green color with
some black or green spots.
Additionally there is this warning:
[Parsed_nlmeans_vulkan_1 @ 0x55faee284540] Device doesn't support atomic
float adds, disabling dispatch parallelism
This is unusual as the GPU I am running this on supports both
VK_EXT_shader_atomic_float, VK_EXT_shader_atomic_float2, and
VK_EXT_shader_image_atomic_int64.
How to reproduce:
ffmpeg -i input -vf "hwupload,nlmeans_vulkan,hwdownload,format=yuv420p"
output
ffmpeg version 6.1 Copyright (c) 2000-2023 the FFmpeg developers
I have attached a sample picture showing this defect.
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Ticket URL: <https://trac.ffmpeg.org/ticket/10661>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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