Wireless HD Video Streaming with DD-WRT

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deentml89
DD-WRT Novice


Joined: 10 Apr 2011
Posts: 4

PostPosted: Sun Apr 10, 2011 18:17    Post subject: Wireless HD Video Streaming with DD-WRT Reply with quote
I just installed dd-wrt on my Linksys E2000 using the instructions found at http://www.dd-wrt.com/wiki/index.php/Linksys_E2000.

After flashing the firmware, downclocking the core, and changing the TxPower from 71 to 50 everything seemed to be working great.

Transferring files over wireless to my WDTV media player seemed faster than before, and things seemed a lot smoother in general.

However when I tried to stream my 1080p and 720p files, which I had no problem doing with stock 1.0.04 firmware, I was noticing serious lagging and freezing.

At first I tried restoring the TxPower to 71 and core clock to 354 which I assumed was done by telnet these commands:
nvram set clkfreq=354,150,75
nvram commit
reboot

But still no luck. I then reflashed the stock firmware and all is fine once again. I would really like to use dd-wrt but first need to find a way to solve this problem. Any help is appreciated.

All of the changes that I make with the stock firmware I made with the dd-wrt like:
Wireless > Channel > Ch 11 (2.4GhZ)
Wireless > Advanced Wireless Settings > Beacon Interval: 75
Wireless > Advanced Wireless Settings > Fragmentation Threshold: 2306
Wireless > Advanced Wireless Settings > RTS Threshold: 2307
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deentml89
DD-WRT Novice


Joined: 10 Apr 2011
Posts: 4

PostPosted: Mon Apr 11, 2011 3:54    Post subject: Reply with quote
Well I was hoping there might be a setting or option that is different in DD-WRT default settings vs stock firmware that is causing this issue. Again reverting to stock linksys firmware made the issue dissappear.
speedy71471
DD-WRT User


Joined: 13 Aug 2008
Posts: 248

PostPosted: Mon Apr 11, 2011 4:41    Post subject: Reply with quote
barryware wrote:
I have no problems here.. However, I use 5ghz band.

I suggest doing a "site survey", and see what other AP's in the neighborhood may be interfering.

Based on the results of the survey, you may end up changing the channel.

And: I am running my 2000 @ 300mhz. Then it keeps correct time.


Same here. No problems.

Streaming 1080p over 20Mhz 11n is always going chop. It is not sufficient bandwidth.

_________________
Linksys WRT600N v1.1 16758M NEWD Eko mini-usb-ftp (AP) (OTRW)
Linksys E2000 16758M NEWD-2 K.26 Eko mini (repeater bridge) (on 5GHz)
yousaf465
DD-WRT User


Joined: 12 Sep 2010
Posts: 328

PostPosted: Mon Apr 11, 2011 4:43    Post subject: Reply with quote
barryware wrote:
I have no problems here.. However, I use 5ghz band.

I suggest doing a "site survey", and see what other AP's in the neighborhood may be interfering.

Based on the results of the survey, you may end up changing the channel.

And: I am running my 2000 @ 300mhz. Then it keeps correct time.


where you able to successfully stream 1080p over wireless ?

_________________
Upgraded to
DD-WRT v24-sp2 (10/12/12) std
(SVN revision 20119)


previously I used


TP-link 741ND
DD-WRT v24-sp2 (11/21/10) std
(SVN revision 15778)

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oxygenx
DD-WRT Guru


Joined: 11 Nov 2007
Posts: 566

PostPosted: Mon Apr 11, 2011 8:39    Post subject: Reply with quote
dont forget that 1080p != 1080p. You can encode it with 8-10 Mbit/s (like Youtube) or 40 Mbit/s (BluRay). YT 1080p should work flawless with every decent wireless setup.
_________________
Router: WNDR3300 (wl0: n-Only 5Ghz, WPA2-AES, wl1: g-Only, WPA-Mixed-Mixed)
WDS Node 1: WNDR3300 (wl0: n-Only 5Ghz, WPA2-AES, WDS-connected Router, wl1: g-Only WPA-Mixed-Mixed)
WDS Node 2: WRT54GL (g-Only, WPA-Mixed-Mixed WDS-connected to Router)
Modem: Cisco EPC3202
clients: Notebook 1, D-Link 323, PS3 Slim, Kathrein UFC960 connected to WDS Node 1 via Gigabit Switch. Notebook 2, Deskjet 6980 connected to WDS Node 2
deentml89
DD-WRT Novice


Joined: 10 Apr 2011
Posts: 4

PostPosted: Mon Apr 11, 2011 13:51    Post subject: Reply with quote
The file I am testing is an MKV container. The video is encoded with H.264 I believe and is about 8GB and 2 hours in length so the bit rate I would assume is not that high. Also this video file streams perfectly with stock firmware.

This is the only video I am using in comparing performance. With stock firmware the file streams fine but with DD-WRT it is very choppy. Transferring files to and from my computer and Media device seems faster with DD-WRT vs Stock. Streaming media seems to be the only issue. This is what is leading me to believe that it is a setting that I am missing or not configuring correctly.
Masterman
DD-WRT Guru


Joined: 24 Aug 2009
Posts: 2057
Location: South Florida

PostPosted: Mon Apr 11, 2011 15:04    Post subject: Reply with quote
You cannot stream files that size with that type of compression over 20MHz N on the 2.4 GHz spectrum, even though the stock F/W may allow you to.

Does your WDTV media player accept USB Wifi- Dongles that can operate in the 5GHz spectrum??

*Apparently it does: http://wdtvforum.com/main/index.php?topic=2885.0


http://www.amazon.com/Cisco-Linksys-Refurbished-Wireless-N-USB-Adapter/dp/B00292BUT2

This is what I use on my Asus OPlay. And lucky for you it is cheap and an supported. One of the best wifi-dongles Linksys ever produced for Linux kernels..

Just make sure you get the WUSB600Nv1 , not the v2!

_________________
Optware, the Right Way
Asus WL520gU
Asus WL500gPv2 x2
Asus WL500W
Asus RT-N10
Asus RT-N12
Asus RT-N16 x3
D-Link DIR-825B
Linksys WRT320Nv1
Linksys WRT600Nv1.1
Linksys WRT610Nv1
Linksys E2000
Netgear WNDR3300
TP-Link WR1043ND
deentml89
DD-WRT Novice


Joined: 10 Apr 2011
Posts: 4

PostPosted: Mon Apr 11, 2011 15:26    Post subject: Reply with quote
Lol thats great to hear since thats the exact wireless adapter that I am using. Unfortunately a lot of other devices in my network don't operate on the 5Ghz band so I am forced to use 2.4Ghz since the E2000 doesnt operate both bands simultaneously.

Would 40Mhz channel width offer an advantage over 20Mhz?
Masterman
DD-WRT Guru


Joined: 24 Aug 2009
Posts: 2057
Location: South Florida

PostPosted: Mon Apr 11, 2011 15:51    Post subject: Reply with quote
deentml89 wrote:
Lol thats great to hear since thats the exact wireless adapter that I am using. Unfortunately a lot of other devices in my network don't operate on the 5Ghz band so I am forced to use 2.4Ghz since the E2000 doesnt operate both bands simultaneously.

Would 40Mhz channel width offer an advantage over 20Mhz?


Well you have two options. Either get a cheap 2.4GHz-only router and link them physically (provide connectivity to your non-5GHz clients), then use your 320N for 5GHz only.

Great router:

http://www.newegg.com/Product/Product.aspx?Item=N82E16833122275

Or you can try channel 13+11 @ 28 mW. Hopefully the regulatory settings are disabled on the WUSB600N. This will help avoid interference. But, all it takes is a microwave oven or a Bluetooth enabled device to cause TX errors, therefore causing streaming issues...

_________________
Optware, the Right Way
Asus WL520gU
Asus WL500gPv2 x2
Asus WL500W
Asus RT-N10
Asus RT-N12
Asus RT-N16 x3
D-Link DIR-825B
Linksys WRT320Nv1
Linksys WRT600Nv1.1
Linksys WRT610Nv1
Linksys E2000
Netgear WNDR3300
TP-Link WR1043ND
phildini
DD-WRT Novice


Joined: 22 Oct 2011
Posts: 4

PostPosted: Mon Oct 24, 2011 0:47    Post subject: Reply with quote
deentml89 wrote:
The file I am testing is an MKV container. The video is encoded with H.264 I believe and is about 8GB and 2 hours in length so the bit rate I would assume is not that high. Also this video file streams perfectly with stock firmware.

This is the only video I am using in comparing performance. With stock firmware the file streams fine but with DD-WRT it is very choppy. Transferring files to and from my computer and Media device seems faster with DD-WRT vs Stock. Streaming media seems to be the only issue. This is what is leading me to believe that it is a setting that I am missing or not configuring correctly.


I am trying the same type of file streaming and am having the same exact problems. I am currently using two E2000s one as the router and one as a bridge to stream video to a WD live TV and after 5 seconds it becomes unwatchable. Has anyone found a solution to this??
suxlv2
DD-WRT Novice


Joined: 27 Oct 2011
Posts: 5

PostPosted: Mon Oct 31, 2011 15:33    Post subject: Reply with quote
Well,

I'm having no problems to watch Matroska (mkv) (example video was encoded @ ~25-30 mbps bitrate) over wireless. My other routers: TP-Link TL-WR740N & Tenda W330R were completely unable to play so high bit rate.. TP-Link even tried to, but Tenda was started to LAG from the very beginning..

So..

Router: WRT320N
DD-WRT Build: most recent: /eko/V24-K26/svn17598/

If someone here needs my configuration, please, just ask Smile for the particular screen, I'll shot it and send it to you, or I'll just attach it here.

P.S. And there is a way hot to get more than 100mbps (or whatever you may have) with WRT320N. I have 200 mbps download link, and 75 mbps upload link with my ISP.
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