Opened 4 months ago
Last modified 3 months ago
#11143 new defect
Vulkan filters fail when engaging NVDEC / NVENC
Reported by: | rnbwdrk | Owned by: | |
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Priority: | normal | Component: | undetermined |
Version: | git-master | Keywords: | vulkan NVDEC NVENC cuda |
Cc: | rnbwdrk | Blocked By: | |
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description (last modified by )
Summary of the bug:
Vulkan filters fail when engaging NVDEC / NVENC.
How to reproduce:
The following works fine: ffmpeg -init_hw_device cuda=cu:0 -init_hw_device vulkan=vk@cu -i IMG_8057.MOV -vf:v "hwupload=derive_device=vulkan,libplacebo=tonemapping=auto:colorspace=bt709:color_primaries=bt709:color_trc=bt709:format=yuv420p:upscaler=none:downscaler=none:peak_detect=0,hwupload=derive_device=cuda,scale_cuda=format=yuv420p" -f null - Attempting to add NVDEC / NVENC into the mix fails: ffmpeg -init_hw_device cuda=cu:0 -init_hw_device vulkan=vk@cu -hwaccel cuda -hwaccel_output_format cuda -i IMG_8057.MOV -vf:v "hwupload=derive_device=vulkan,libplacebo=tonemapping=auto:colorspace=bt709:color_primaries=bt709:color_trc=bt709:format=yuv420p:upscaler=none:downscaler=none:peak_detect=0,hwupload=derive_device=cuda,scale_cuda=format=yuv420p" -f null - BtbN's latest git master (2024-08-16 13:46) Win64 GPL build was used for this test in Windows 10 22H2, although it has been extensively and exhaustively reproduced with various compiles and builds of ffmpeg 7.0, 7.0.1, and 7.0.2 in windows and in linux. Different versions of the Vulkan and Cuda SDK, NVIDIA Drivers, libplacebo, etc were also tried. Hardware-wise, the bug has been reproduced on both an NVIDIA A2000 and an RTX 2080 TI. AFAIK the only time this has ever worked was with ffmpeg ~5.1.3 via a patch to libavutil/hwcontext_vulkan.c and a very specific version of libplacebo, as described here: https://github.com/jellyfin/jellyfin-ffmpeg/issues/215 All attempted input files have been NVDEC compatible so the issue is not the file. In fact, everything works fine with the aforementioned jellyfin fix and ffmpeg 5.1.3. "summary" output (ffmpeg_output_summary.txt) and "-v 9 -loglevel 99" output (ffmpeg_output.txt.zip) and "-report" output (ffmpeg-20240816-130347.log.zip) Have been attached with metadata redacted.
Attachments (3)
Change History (7)
by , 4 months ago
Attachment: | ffmpeg_output_summary.txt added |
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comment:1 by , 4 months ago
Description: | modified (diff) |
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comment:2 by , 4 months ago
Description: | modified (diff) |
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comment:3 by , 4 months ago
Description: | modified (diff) |
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