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Hardware transcoding


xontik
Go to solution Solved by softworkz,

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Hi everyone !

 

I'm back after upgrading my graphic card !

 

I had trouble using transcoding because my old GT430 didn't support NVENC, but now i'm using an GTX980 :)

 

I'm sure this big boy can easily transcode a lot of thing, but unfortunatly it won't...

 

As u can see in dash board picture, it's using nvidia nvenc to encode but using sofware decode, i think this is the bottleneck here...

 

 

How can i force using hardware decode instead of software ?

 

Thanks for this awesome product ;)

 

Ben

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HI Luke,

 

Sorry for wasting your time...

 

The GTX 980 isn't capable of decoding hevc that's why :P 

 

so i just bought a GTX 1050 and it's perfect in emby package (i can't get it working in docker :P )

 

 

Thanks again !

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softworkz

The GTX 980 isn't capable of decoding hevc that's why :P

 

so i just bought a GTX 1050 and it's perfect in emby package (i can't get it working in docker :P )

 

 

What was the exact problem with the GTX 980:

  • Was it just that hevc hw acceleration wasn't used (because Emby had detected that correctly)? ... or

    .

  • Did Emby server fail to detect the lack of hevc support and tried to use hw acceleration, which in turn failed and fell back to hardware?

A hw detection log from the time when you had the GTX 980 would be helpful to determine. Just in case you still have any.. 

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softworkz

Can you provide an ffmpeg log example? thanks.

 

No, that's not required.

 

Ok thanks for the feedback. The server should be detecting that it's not capable though and not trying to use it. @@softworkz

 

Emby server had correctly detected that the GTX 980 doesn't support hevc decoding.

That's all fine, nothing went wrong here.

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softworkz

PS: @@xontik - I forgot to say thank you for posting the log. The GTX 980 offers a quite specific(/unusual) set of supported hw codecs, that's why it was a good opportunity to verify that our detection results are accurate here as well..

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