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Im sorry, this will be another GPU transcoding thread: Lots of screenshots provided, still stutters when playing

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to the best of my knowledge, I have followed the instructions to the letter.  

 

I have some concerning issues are in my Transcoding settings page on my Web UI and my Windows App, I don't see my GPU as an option, only 'Auto'. The Web UI the videos play fine, no skipping or stuttering, but it's only playing direct play.  On my Windows App, it is showing 'hw'. However, no matter what settings I chose in my transcoding setup, it still seems to stutter. 

 

I installed GPU Statistics to see how my GT1030 is handling the load and it seems like it could be doing more (last pic)

 

Can anyone see a setting I have missed?

 

Thank you n advanced!

 

Pg-2.thumb.jpg.d9e7d892e85408dec4383533721278d3.jpgPg-3.thumb.jpg.efd4a211edd6f481f9198b220838c1d8.jpgTranscode.thumb.jpg.814543614e6936e5e91d804955d625ac.jpg

Pg-1.jpg

GPU Statistics.jpg

Edited by SmirkAction

from what i see you are using /mnt/user as transcode path which is located on your array (probably spinning drives).

you should use a ssd (/mnt/user/cache/plex-transcode)for that path or ram (/tmp/plex-transcode) if you have enough.

Your problem doesn't seem related to gpu as it's used.

  • Author

I till try that. 

 

Which brings up another topic.  This build all started with THIS post to make use of my old HTPC running Windows 10 that I had booting from that SSD.  When I flashed Unraid from a USB stick to this tower I assumed it would write over the current Windows 10 on that SSD, but it didn't, in order to boot my Unraid system, I have to leave that USB stick installed. Is this correct, or did I not install Unraid correctly?

 

I no longer need windows running on that SSD so by setting it to cache my transcode files, will this cause any issues?

i don't know if i get the way you installed unraid.

Unraid has to be installed on usb stick; 

For now it has to have at least 1 drive in array. In my precedent post i assumed you have an array (probably on spinning drive).

If you have no ssd involved in your unraid setup you'll probably need one. But we have no idea on what you installed (except plex)

If you more detailed answers you'll need to provide diagnostics.

  • Author

It is installed on the USB, but I assume this was just an ISO like image that writes to whatever drive you want, my like when I installed Windows, I created a ISO on a USB and then installed Windows on my 320GB SSD boot drive.  If Unraid only needs to boot from that USB stick, I will just leave it plugged in.  Does the performance of said USB matter?  I used just a cheap 4GB 2.0 stick I had laying around. Would Unraid perform better running from a faster 3.0 stick?

 

As for the SSD that I will try to set my transcoding to cache to, I have no issues formatting it, or should I just leave it as is and let Unraid/Plex use it how it chooses?

  • Author
8 hours ago, caplam said:

i don't know if i get the way you installed unraid.

Unraid has to be installed on usb stick; 

For now it has to have at least 1 drive in array. In my precedent post i assumed you have an array (probably on spinning drive).

If you have no ssd involved in your unraid setup you'll probably need one. But we have no idea on what you installed (except plex)

If you more detailed answers you'll need to provide diagnostics.

 

EDIT: I have figured out how to add my SSD as a cache drive, I will play around a bit after it's done clearing the drive and see if setting it up for my transcode cache fixes my issues

 

I removed my diagnostic log as it won't reflect this new change.

Here is my diagnostic log.  I am not sure if I set up the temp directory on the SSD correctly.  I have found other sources that suggest using my RAM for caching my transcode files.  I am not sure how to point to that either if that is another suggestion.

 

 

 

Edited by SmirkAction

Thought I'd mention, GT1030 doesn't support HW Encoding, could this be your issue?

 

GPU is decoding your media correctly, as I can see it's been used in GPU Statistics - it's then your CPU which is encoding the media, which I'm assuming is H264. From the screenshot I can see you have a dual core CPU, this isn't gonna like software encoding unless the encoding profile is set to 'veryfast' and extremely low resolution, and also a extremely low bit rate.

 

Also, when anything is transcoded, the audio part of transcoding is handled by CPU

 

So at this time, your dual core CPU is encoding audio and video, while your GPU is doing the decoding. It's got it's work cut out, would possibility explain the stuttering

  • Author
4 hours ago, mrkambo said:

Thought I'd mention, GT1030 doesn't support HW Encoding, could this be your issue?

 

GPU is decoding your media correctly, as I can see it's been used in GPU Statistics - it's then your CPU which is encoding the media, which I'm assuming is H264. From the screenshot I can see you have a dual core CPU, this isn't gonna like software encoding unless the encoding profile is set to 'veryfast' and extremely low resolution, and also a extremely low bit rate.

 

Also, when anything is transcoded, the audio part of transcoding is handled by CPU

 

So at this time, your dual core CPU is encoding audio and video, while your GPU is doing the decoding. It's got it's work cut out, would possibility explain the stuttering

I was under the impression this GPU did do hardware transcoding.  :(

 

My CPU is a AMD A10 7860k, there should be more than 2 cores, not sure why it's only showing 2.

 

 

2 hours ago, Michael_P said:

 

Your GT1030 isn't doing anything but wasting power, the GT line doesn't have any nvenc encoders (only the GTX does)

 

https://developer.nvidia.com/video-encode-and-decode-gpu-support-matrix-new

 

This bums me out.  Time for a full hardware upgrade it appears

sorry i didn't pay attention to gt1030 capabilities.

For your ssd you shouldn't had to "clear" it before use unless you added it to array and that's not appropriate.

I suggest you read the docs as your choices in setting up storage devices will deeply affect the way you can use your server.

And for the usb key 2.0 is fine, you won't gain anything with 3.0 but i think 4GB is too small. If i remember correctly the recommendation is usb2.0, a size between 8 and 32 GB and of course a good and robust key. 

Also its pretty recommended to transcode to ram so if you ever make another go at this 

/Transcode is best mapped to /dev/shm similar to /tmp but the half of ram it takes from is different 

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