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J4105-ITX GPU Transcoding


RobertDi
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RobertDi

Hallo liebes Forum,

 

Ich habe Emby-Server auf dem ASRock J4105-ITX laufen, nativ unter Debian Buster. (Integrated Intel® UHD Graphics 600)

Umstieg von der Docker Variante um die GraKa das Transkoding durchführen zu lassen.

Leider musste ich feststellen das mit aktivem Hardwaretranskoding nahezu kein Film mehr im Browser darstellbar ist.

Alles viel zu langsam und nur Aussetzer. Folgende Ansätze brachten leider keinen Erfolg:

 

#1 RAM der GraKa auf 512 MB hoch

# 2 Intel non-free Treiber

 

Hat jemand noch eine Idee oder ist die interne GraKa einfach zu schlecht?

Mittels Software Transkoding funktioniert die Wiedergabe, allerdings mit entsprechender CPU Last.

 

Spezifikationen Board:

https://www.asrock.com/mb/Intel/J4105-ITX/#Specification

 

Gruß Robert

emby1.png

emby2.png

Edited by RobertDi
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RobertDi

I can see a lot of errors in ffmpeg files, but no idea how to fix this. Tried with two different files. Direct Stream in LAN without transcoding is working, so the files should be ok.

embyserver.txt ffmpeg-transcode-aa4380f0-c2a1-4753-aaf6-e781a6f9dd0a_1.txt ffmpeg-transcode-b1765e09-ee06-4634-80df-f9efe5d42dd8_1.txt

Edited by RobertDi
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RobertDi

no tried with avi and multiple mkv - both file types are effected. not even 420kbps is working 😞

Edited by RobertDi
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RobertDi

is there any parameter to use my installed ffmpeg instead of packaged one or might it work if I replace file with symbolic link to my version? (ffmpeg version 4.1.4-1~deb10u1)

[Edit] symbolic link is not working

Edited by RobertDi
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@RobertDi -

  • What's your CPU model?
  • Could you please post the hw detection log?
  • Could you please try the following two playback attempts using MKV file
    (playback from the start and without subtiltes)
    1. With the VAAPI HW Decoder disabled and the HW Encoder enabled
    2. The other way round (Decoder enabled, encoder disabed)

Thanks

 

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RobertDi

is graphic card to bad? I have choosen this board because of hw encoding/decoding support and power consumption...

btw I have tried with a different client (cable connected) with same result

graphics.png

Edited by RobertDi
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29 minutes ago, RobertDi said:

I have unchecked the box with subtitle extraction and hw for decoding only, playback is starting but it lacks every few seconds. CPU is fine, 1 core 100% and the other ones nearly 20%.

much better than before

ffmpeg-transcode-5ca20903-abb5-4a3c-8ed1-1e19a2c9249b_1.txt 72 kB · 0 downloads

It's burning in subtitles due to you unchecking that box. Please see our notes about that in our hardware acceleration guide:

https://support.emby.media/support/solutions/articles/44001160148-hardware-acceleration-overview

It's at the bottom in the troubleshooting section.

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RobertDi

checked or unchecked does not make a difference, playback lacks in both cases - I don't think that CPU is the problem... when using software transcoding everything works and all cores are at 100% - I have tried two streams in parallel and it worked. but with hw encoding or decoding the playback lacks...

Edited by RobertDi
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10 minutes ago, RobertDi said:

checked or unchecked does not make a difference, playback lacks in both cases - I don't think that CPU is the problem... when using software transcoding everything works and all cores are at 100% - I have tried two streams in parallel and it worked. but with hw encoding or decoding the playback lacks...

Did you see what I linked to above about subtitles?

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RobertDi

yes, but I don't understand how this should help. Subtitle is showing off (started playback, set to off, stopped playback, switched to home and started playback now with off) but playback still lacks...

I just want to use my graphics hardware as it should be able to transcode better than my CPU, in case CPU is required for whatever I'm fine with this. 

But actually no movie could be watched with hardware transcoding feature, it lacks every few sec.

Edited by RobertDi
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OK, thanks.

It appears to be an issue with the installed graphics driver and what we are delivering.

Could you please show the output of 'vainfo' and post the hardware detection log?

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RobertDi

I have tried backports and newest kernel without success - will try with latest ubuntu server instead and let you know the reuslt

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