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Experiencing lots of "Buffering/lag" issues, especially with larger movies

buffering stuttering playback issues

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#1 SirrSterl OFFLINE  

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Posted 26 September 2019 - 09:26 PM

I'm honestly not sure how to set up the technical specs so its possibly I just don't have something set up correctly but I constantly experience lag issues with larger file movies. This usually only happens with large (20G+) files. Most of these are 4K so I'm thinking thats the issue but I have no idea how to fix this. Any help is appreciated. I watched Dr. Strange for a few seconds until it started stuttering and attached the log 

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Edited by SirrSterl, 26 September 2019 - 09:27 PM.


#2 Happy2Play OFFLINE  

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Posted 26 September 2019 - 09:36 PM

What system is the server on?  It would appear the system is not fast enough to transcode the media.

 

elapsed=00:06:46.87 frame= 8441 fps= 21 q=-1.0 Lsize=  437692kB time=00:05:52.47 bitrate=10172.6kbits/s throttle=off speed=0.866x

TranscodeReasons=VideoProfileNotSupported

Edited by Happy2Play, 26 September 2019 - 09:39 PM.


#3 SirrSterl OFFLINE  

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Posted 26 September 2019 - 09:48 PM

 

What system is the server on?  It would appear the system is not fast enough to transcode the media.

 

elapsed=00:06:46.87 frame= 8441 fps= 21 q=-1.0 Lsize=  437692kB time=00:05:52.47 bitrate=10172.6kbits/s throttle=off speed=0.866x

TranscodeReasons=VideoProfileNotSupported

Server is on my PC. i7-2600. I was watching on my phone. Is there a way for me to test this or tweak my settings?



#4 Happy2Play OFFLINE  

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Posted 26 September 2019 - 09:58 PM

I know that processor only supports h264 encoding and decoding so Hardware acceleration in not a option. 

 

https://en.wikipedia...uick_Sync_Video

 

I don't think it will make a difference but the only other thing you could try is lowering the in app quality, since hevc to h264 Emby doubles the rate to try and maintain the quality.  Your media has "Bitrate":58814389 and is converted to -maxrate 117628778.  But log basically shows the cpu conversion can not keep up with playback as you would need a conversion speed of 1 or more.

 

So the only way you would be able to play HEVC content would be if it were able to direct play to the client.


Edited by Happy2Play, 26 September 2019 - 09:59 PM.


#5 SirrSterl OFFLINE  

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Posted 26 September 2019 - 10:06 PM

I know that processor only supports h264 encoding and decoding so Hardware acceleration in not a option. 

 

https://en.wikipedia...uick_Sync_Video

 

I don't think it will make a difference but the only other thing you could try is lowering the in app quality, since hevc to h264 Emby doubles the rate to try and maintain the quality.  Your media has "Bitrate":58814389 and is converted to -maxrate 117628778.  But log basically shows the cpu conversion can not keep up with playback as you would need a conversion speed of 1 or more.

 

So the only way you would be able to play HEVC content would be if it were able to direct play to the client.

Would upgrading to emby premiere and using the GPU solve that problem? Or would I have to get a better processor either way?



#6 Sammy ONLINE  

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Posted 26 September 2019 - 11:49 PM

Get an Nvidia GTX 1060 6Gb GPU.

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#7 SirrSterl OFFLINE  

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Posted 26 September 2019 - 11:54 PM

Get an Nvidia GTX 1060 6Gb GPU.

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I have a 1070Ti. I'm just asking if upgrading will put all of the work on the GPU or if I'll still have issues because of my processor 



#8 Happy2Play OFFLINE  

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Posted 27 September 2019 - 05:53 AM

I have a 1070Ti. I'm just asking if upgrading will put all of the work on the GPU or if I'll still have issues because of my processor 

 

If you have premiere and that gpu, yes it help as hardware acceleration could be used.  


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#9 lightsout OFFLINE  

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Posted 27 September 2019 - 09:46 AM

But also know that if you transcode a 4k HDR file it's going to look washed out. Not something you want to do. Because the HDR info is not retained and the HDR to SDR conversion is not done properly.

#10 Sammy ONLINE  

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Posted 27 September 2019 - 09:53 AM

Yep, the premiere subscription will open up transcoding for you and solve all these problems.

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#11 SirrSterl OFFLINE  

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Posted 27 September 2019 - 09:55 AM

But also know that if you transcode a 4k HDR file it's going to look washed out. Not something you want to do. Because the HDR info is not retained and the HDR to SDR conversion is not done properly.


So you’re saying if I want to stream a HDR movie Emby isn’t a good option regardless of setup or processor?

#12 lightsout OFFLINE  

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Posted 27 September 2019 - 01:31 PM

So you’re saying if I want to stream a HDR movie Emby isn’t a good option regardless of setup or processor?

You want to direct play it. Currently if you transcode it with emby (or plex) it messes up the color. Idk if you have ever tried to watch an HDR video on an sdr monitor but it looks like that.

 

All washed out and pale. Not sure how laggy playback was on your phone but usually you will notice it right away.



#13 Luke OFFLINE  

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Posted 29 September 2019 - 10:56 AM

So you’re saying if I want to stream a HDR movie Emby isn’t a good option regardless of setup or processor?

 

Generally if it direct plays you'll get HDR. If it has to transcode, then it will require HDR to SDR tone mapping.



#14 Bill4sman OFFLINE  

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Posted 29 September 2019 - 10:59 AM

Get a Nvidia Shield and you'll likely never transcode again! I went down the more power, bandwidth and transcoding rabbit hole so stop before you drive yourself crazy. Buy a shield.



#15 SirrSterl OFFLINE  

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Posted 29 September 2019 - 11:03 AM

Generally if it direct plays you'll get HDR. If it has to transcode, then it will require HDR to SDR tone mapping.

I don’t know what you mean by “direct play”

#16 Bill4sman OFFLINE  

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Posted 29 September 2019 - 11:06 AM

Direct play means it's simply serving the file without doing anything to it like transcoding. Getting a device that will Direct Play 4K files will resolve your issues completely.



#17 SirrSterl OFFLINE  

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Posted 29 September 2019 - 11:15 AM

Direct play means it's simply serving the file without doing anything to it like transcoding. Getting a device that will Direct Play 4K files will resolve your issues completely.


I normally stream to a 4K fireTV that I have these issues with. Do I need a more powerful device? Or are there settings I need to tweak on the device? I don’t really know anything about video transcoding

#18 Bill4sman OFFLINE  

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Posted 29 September 2019 - 11:17 AM

Yes, the FireTV is weak at best and I have one as well in a drawer after getting the Shield. Trust me, your problems are over with the shield as client.



#19 SirrSterl OFFLINE  

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Posted 29 September 2019 - 01:39 PM

So, I upgraded to premium but still have the same buffering issues with GPU Acceleration enabled and my GPU is a 1070ti. Any other recommendations? Or do I just need a better PC?

#20 Bill4sman OFFLINE  

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Posted 29 September 2019 - 01:41 PM

Get a shield, you're fighting an uphill battle you will certainly lose. Your TV likely doesn't accept the block of data its being sent so get a shield.







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