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Re: stuttering blu-ray

pdasterly
Guide

stuttering blu-ray

Having stuttering problems with my setup, I have rn104 with blu-ray iso files, router is linksys wrt1900ac and media player is kdlinks a300 with gigabit port. Running all cat6 cabling. trying to narrow down whats causing media player to stutter.

Also have router tied to a switch se4008 linksys
Message 1 of 54
tony359
Apprentice

Re: stuttering blu-ray

A Blu Ray can be as high as 40Mb/s but that should be well within your 1000Mbit link.
First, double check that your ports are actually going to 1Gb/s. Not familiar with your models but you'll find the info somewhere.

Then, transfer an ISO file to your main, fastest HDD (possibly an SSD) and see how much time it takes. See what Windows says as well. You should get a good idea of transfer time.

Finally you can try the NAS performance tester downloadable here

You should get a good idea of what's going on.
Message 2 of 54
pdasterly
Guide

Re: stuttering blu-ray

Nas is connected at 1Gb, just checked, light on router verifies
Same on media player, router sees 1GB connection.
Here is link to router and switch
http://www.linksys.com/us/p/P-WRT1900AC/
http://www.linksys.com/us/p/P-SE4008/?georedirect=1

Windows shows 26-52MB/s iso transfer from nas to laptop(ssd), 48GB iso

Nastester, 8000MB filesize
Running warmup...
Running a 8000MB file write on \\READYNAS\3D_Movies once...
-----------------------------
Average (W): 56.09 MB/sec
-----------------------------
Running a 8000MB file read on \\READYNAS\3D_Movies once...
-----------------------------
Average (R): 73.92 MB/sec
-----------------------------
Message 3 of 54
tony359
Apprentice

Re: stuttering blu-ray

Well, it's beyond what's needed for the average BD.

What do you mean exactly with "stutters"? Does the picture freezes for a second or do you see stuttering during a panning?
Message 4 of 54
pdasterly
Guide

Re: stuttering blu-ray

audio will skip, sometime video pauses.
I got new media player and while its an upgrade over previous units, wd live and ac ryan mini hd(these would stutter so bad that my avr(network receiver, yamaha) would drop audio frames and the encoder would flash from dts to off/or pro-logic)(jerky video) I still get some dropped audio but not to point where its affecting avr.

Interstellar, on the rocket launch scene was absolutely horrible, so bad I bought a blu-ray burner to get me thru the rough times.

media player set to 1080p 60hz and 24p enabled. tv is visio m551d 240Hz
Message 5 of 54
tony359
Apprentice

Re: stuttering blu-ray

Are you 100% sure it's a network problem? What happens if you play the ISO's from your PC?
Message 6 of 54
pdasterly
Guide

Re: stuttering blu-ray

you want me to put iso on laptop and play from there?
Message 7 of 54
tony359
Apprentice

Re: stuttering blu-ray

No, I meant play the ISO you have on your RN from your computer. I understand you're using a network receiver?

Was that happening before?
Message 8 of 54
pdasterly
Guide

Re: stuttering blu-ray

receiver only handles audio, has hdmi pass through, give me a moment while i figure out how to play blu-ray iso on my pc.
Message 9 of 54
pdasterly
Guide

Re: stuttering blu-ray

flawless payback on pc, I mounted disc image with power iso and playing with vlc media player
Message 10 of 54
tony359
Apprentice

Re: stuttering blu-ray

Good. Then there is nothing wrong with the network or the ReadyNas - unless it's a weird issue. It may be that VLC is buffering and the media player is not and some minor network issue is causing the stuttering?

Must be something with the Media Player then. I don't know that player, has it worked in the past? Did you do anything before it stopped working fine?
It may be a question for the media player's community though...
Message 11 of 54
pdasterly
Guide

Re: stuttering blu-ray

brand new latest and greatest media player, just released july 1. highly regarded over at avsforum and those guys are highly critical, i will ask though. It worked before until i moved up to larger file sized, small encoded files played perfect(yify), larger encoding(5-10)gb i would notice some stuttering but only got bad during action flicks. The big boy stuff(40gb) flat out sucks. media player is kdlinks a300, the other players dont support blu-ray 3d iso avc
Message 12 of 54
StephenB
Guru

Re: stuttering blu-ray

I am not seeing an a300 model. Can you look here and confirm the model? http://www.kdlinks.com/index.php/media-player.html

FWIW, even full BluRay rips (like your 40 GB files) don't put a big load on the NAS. BluRay is spec'd around 50 mbps (6-7 MBPS).
Message 13 of 54
pdasterly
Guide

Re: stuttering blu-ray

it just came out, waited like 6 months for the guy to make them, i was basically first to have one
http://www.amazon.com/dp/B00X60WB94/ref ... 00+kdlinks
He said website will be updated later this week
Star trek actually runs at 26Mbps bitrate
http://www.blu-raystats.com/Stats/Detai ... 2429137302
most blu-ray iso are up to 50GB is size, Dual-layer blu-ray disc
Message 14 of 54
mdgm-ntgr
NETGEAR Employee Retired

Re: stuttering blu-ray

Does your player support 23.976p (the 24p of Blu-Ray is really 23.976p)?

Which protocol is used to stream from the NAS to your media player?

Which firmware version are you running on your NAS?
Message 15 of 54
StephenB
Guru

Re: stuttering blu-ray

pdasterly wrote:
it just came out, waited like 6 months for the guy to make them, i was basically first to have one
http://www.amazon.com/dp/B00X60WB94/ref ... 00+kdlinks
He said website will be updated later this week
Star trek actually runs at 26Mbps bitrate
http://www.blu-raystats.com/Stats/Detai ... 2429137302
most blu-ray iso are up to 50GB is size, Dual-layer blu-ray disc
Actual rates vary. The BluRay spec itself allows transfer rates up to 54 mbps.

The point here is that the NAS read speed you measured is ~600 mbps, and even the slowest speed you saw with Windows was 224 mbps (e.g. 26 MB/s). That's a lot faster than the rated needed by the BluRay.

You might be confusing megabits with megabytes on your speed. Star Trek (your example) requires 26 megabits per second, which is only 3.25 megabytes per second.
Message 16 of 54
pdasterly
Guide

Re: stuttering blu-ray

yes 24p is enabled
Idk simple file share(lan), has nfs and upnp option
FW 6.2.4
Message 17 of 54
StephenB
Guru

Re: stuttering blu-ray

Do you know if you are using SMB, NFS, or upnp(DLNA) on the Kodi?
Message 18 of 54
pdasterly
Guide

Re: stuttering blu-ray

smb
Message 19 of 54
mdgm-ntgr
NETGEAR Employee Retired

Re: stuttering blu-ray

If you install the SMB Plus app and change the settings to e.g. force SMB2 in that does that help?

Can you send me your logs (see the Sending Logs link in my sig)?
Message 20 of 54
pdasterly
Guide

Re: stuttering blu-ray

smbplus cannot be installed, apps operation failed, restarted nas, removed and tried to re-install. same error
Message 21 of 54
mdgm-ntgr
NETGEAR Employee Retired

Re: stuttering blu-ray

Do you have a static I.P. set on the NAS? If so did you remember to set the DNS setting?
Message 22 of 54
pdasterly
Guide

Re: stuttering blu-ray

using dhcp, dns points to my router
Message 23 of 54
pdasterly
Guide

Re: stuttering blu-ray

Had to manually install smbplus, working
Message 24 of 54
mdgm-ntgr
NETGEAR Employee Retired

Re: stuttering blu-ray

And does changing settings using SMB Plus help?
Message 25 of 54
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