Comments (13)
th0ma7
commented on August 16, 2024
1
@WesSouza at first read it wasn't that obvious that you where referring to opencl missing requirements. Indeed, opencl is not integrated currently in SynoCommunity's ffmpeg. It's on my todo list but didn't got to it yet.
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WesSouza
commented on August 16, 2024
1
@th0ma7 done!
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mreid-tt
commented on August 16, 2024
@WesSouza, out of curiosity, on the same hardware what was the conversion rate in Docker?
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WesSouza
commented on August 16, 2024
I just reenabled the Docker project and realized the videos are being remuxed. I believe there's something wrong somewhere that prevents the SynoCommunity version of Jellyfin not to remux.
The conversion seems equally slow unfortunately.
Edit: I tested different videos. Transcoding is much slower on the Syno package than when using Docker for the same video.
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WesSouza
commented on August 16, 2024
@mreid-tt Added two ffmpeg logs to the description (one from this package, one from the docker instance), showing the differences.
So far:
- ffmpeg version is different (I tried with 5.1.3-2 from the SynoCommunity and got the same results)
- The JSON on docker sets
"IsAVC": trueand"NalLengthSize": "4"versusfalseand"0"
I also reenabled the same hardware acceleration settings on both instances and the ffmpeg command has two differences:
# Present on Docker, missing from Syno
-hwaccel_output_format vaapi
# Docker
-vf "setparams=color_primaries=bt709:color_trc=bt709:colorspace=bt709,deinterlace_vaapi=rate=frame,scale_vaapi=format=nv12:extra_hw_frames=24,hwmap=derive_device=qsv,format=qsv"
# Syno
-vf "setparams=color_primaries=bt709:color_trc=bt709:colorspace=bt709,yadif=0:-1:0,scale=trunc(min(max(iw\,ih*a)\,min(1920\,1080*a))/2)*2:trunc(min(max(iw/a\,ih)\,min(1920/a\,1080))/2)*2,format=nv12"
Both playbacks were attempted on the same video on the same browser (Safari on macOS), and Jellyfin's display version is the same on both instances.
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WesSouza
commented on August 16, 2024
The lack of -hwaccel_output_format vaapi seems to be caused by Syno's ffmpeg not providing the opencl hardware acceleration and filters.
From Jellyfin's code:
- The code that adds
-hwaccel_output_format vaapicheckshwSurface(here) hwSurfacerequiresisIntelVaapiOclSupported, which requiresIsOpenclFullSupported()isIntelVaapiOclSupportedrequires bothopenclhardware acceleration,scale_openclfilter and specific filterstonemap_openclandoverlay_opencl(here)
All of these are available on the Docker compose instance, but absent from Syno's ffmpeg.
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mreid-tt
commented on August 16, 2024
@WesSouza, thank you for providing additional detail.
@th0ma7, I remember you working with the ffmpeg package before. Could you share any insights that might help resolve this issue?
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th0ma7
commented on August 16, 2024
@WesSouza there are a few caveats when using ffmpeg on you nas, your user must be part of the videodriver group.
vainfo will confirm what access you do have from your user account in use when accessing ffmpeg. See: https://github.com/SynoCommunity/spksrc/wiki/FAQ-FFmpeg
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WesSouza
commented on August 16, 2024
I have no idea how to add myself to the videodriver group on Synology, but I can run those as root.
root@WexDrive:~# vainfo
Trying display: drm
libva info: VA-API version 1.18.0
libva info: Trying to open /var/packages/ffmpeg/target/lib/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_18
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.18 (libva 2.18.1)
vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 23.1.6 (3359d2df)
vainfo: Supported profile and entrypoints
VAProfileNone : VAEntrypointVideoProc
VAProfileNone : VAEntrypointStats
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointFEI
VAProfileH264Main : VAEntrypointEncSliceLP
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointFEI
VAProfileH264High : VAEntrypointEncSliceLP
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointEncPicture
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264ConstrainedBaseline: VAEntrypointFEI
VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
VAProfileVP8Version0_3 : VAEntrypointVLD
VAProfileVP8Version0_3 : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD
VAProfileHEVCMain : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointFEI
VAProfileHEVCMain10 : VAEntrypointVLD
VAProfileVP9Profile0 : VAEntrypointVLD
root@WexDrive:~# /var/packages/ffmpeg/target/bin/ffmpeg -hide_banner -hwaccels
Hardware acceleration methods:
vaapi
qsv
drm
root@WexDrive:~# /var/packages/ffmpeg/target/bin/ffmpeg -hide_banner -filters | grep opencl
root@WexDrive:~#
Now if I run these commands on the Docker container:
root@WexDrive:~# docker exec -i -t jellyfin bash
root@50ca4db67f1c:/# /usr/lib/jellyfin-ffmpeg/vainfo
Trying display: drm
libva info: VA-API version 1.20.0
libva info: Trying to open /usr/lib/jellyfin-ffmpeg/lib/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_20
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.20 (libva 2.20.0)
vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 24.1.1 (f5f09c4)
vainfo: Supported profile and entrypoints
VAProfileNone : VAEntrypointVideoProc
VAProfileNone : VAEntrypointStats
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointFEI
VAProfileH264Main : VAEntrypointEncSliceLP
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointFEI
VAProfileH264High : VAEntrypointEncSliceLP
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointEncPicture
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264ConstrainedBaseline: VAEntrypointFEI
VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
VAProfileVP8Version0_3 : VAEntrypointVLD
VAProfileVP8Version0_3 : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD
VAProfileHEVCMain : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointFEI
VAProfileHEVCMain10 : VAEntrypointVLD
VAProfileVP9Profile0 : VAEntrypointVLD
root@50ca4db67f1c:/# /usr/lib/jellyfin-ffmpeg/ffmpeg -hide_banner -hwaccels
Hardware acceleration methods:
cuda
vaapi
qsv
drm
opencl
vulkan
root@50ca4db67f1c:/# /usr/lib/jellyfin-ffmpeg/ffmpeg -hide_banner -filters | grep opencl
... avgblur_opencl V->V Apply average blur filter
... boxblur_opencl V->V Apply boxblur filter to input video
... colorkey_opencl V->V Turns a certain color into transparency. Operates on RGB colors.
... convolution_opencl V->V Apply convolution mask to input video
... deshake_opencl V->V Feature-point based video stabilization filter
... dilation_opencl V->V Apply dilation effect
... erosion_opencl V->V Apply erosion effect
... nlmeans_opencl V->V Non-local means denoiser through OpenCL
... overlay_opencl VV->V Overlay one video on top of another
... pad_opencl V->V Pad the input video.
... prewitt_opencl V->V Apply prewitt operator
... program_opencl N->V Filter video using an OpenCL program
... remap_opencl VVV->V Remap pixels using OpenCL.
... roberts_opencl V->V Apply roberts operator
... scale_opencl V->V Scale the input video size through OpenCL.
... sobel_opencl V->V Apply sobel operator
... tonemap_opencl V->V Perform HDR to SDR conversion with tonemapping.
... transpose_opencl V->V Transpose input video
... unsharp_opencl V->V Apply unsharp mask to input video
... xfade_opencl VV->V Cross fade one video with another video.
... openclsrc |->V Generate video using an OpenCL program
What am I missing here? All signs point to ffmpeg missing opencl.
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WesSouza
commented on August 16, 2024
@th0ma7 is there an open issue for it I should be watching? Or something I could do to help?
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th0ma7
commented on August 16, 2024
Just rename this ticket to be more relevant to opencl and I'll look into that during my next upgrade cycle.
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reykjalin
commented on August 16, 2024
Jellyfin recommends a modified version of FFMPEG: https://github.com/jellyfin/jellyfin-ffmpeg. Maybe that's what's missing here?
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th0ma7
commented on August 16, 2024
Jellyfin recommends a modified version of FFMPEG: https://github.com/jellyfin/jellyfin-ffmpeg. Maybe that's what's missing here?
Yes and no. All jellyfin ffmpeg patches are included in our default build. What's missing are
- Including opengl intel drivers (currently missing from build)
- Updating both ffmpeg and use latest snapshot of the jellyfin patches.
It is on my todo list but cycles have been rather limited lately.
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