Opened 13 months ago
Last modified 12 months ago
#10661 new defect
FFmpeg 6.1 nlmeans_vulkan video filter has visual defects
| Reported by: | acedogblast | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | avfilter |
| Version: | 6.0 | Keywords: | vulkan filter |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
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.
Attachments (1)
Change History (2)
by , 13 months ago
| Attachment: | Screenshot_20231112_181409.png added |
|---|
The same problem even without "Device doesn't support atomic float adds, disabling dispatch parallelism" warning.
Example:
wget https://imagemagick.org/Usage/images/rose.png # Download one image from the Image magick manual
ffmpeg -y -init_hw_device vulkan=vul -i rose.png -vf format=yuv444p,hwupload,nlmeans_vulkan=s=2.5:r=75,hwdownload,format=yuv444p rose-vul.png
Problem appears on little and big image, in 420 and 444 color spaces.