XBMC4Xbox

Posted: **Thu Jan 31, 2013 10:10 pm**

Heres what i use since over a month:

/sys/devices/system/cpu/cpufreq/ondemand/up_thresholdup_threshold 38 
#I strongly advice to use an higher value if you're a noob, this low you have to let the RPi iddle only on the home screen with no RSS feed

Code: Select all

arm_freq=955
core_freq=360
sdram_freq=500
over_voltage=2

Heres how i did it:

Raise arm_freq till it crash.. (i did 800, +25 till 900, +10 till 930, +5 till it crashed at 965)
Lower arm_freq by 10
Raise over_voltage to 1
Set sdram_freq=500
Raise core_freq till it crash.. (+10+10+5+5 ect ect)
Lower core_freq by 10
Raise over_voltage to 2

How to get it to crash: Library mode> Movies> Title> View: list (Confluence)> Scroll the hell out of it. (up to 5-10 minutes of scrolling)
Types of crash: CPU(arm_freq) = XBMC hot reboot (only XBMC restart), GPU(core_freq) = RPi total crash, need a full reboot.
The GPU is the weak spot when overclocking the RPi.

One more thing: My RPi kick butts using those settings.. But it doesn't mean yours will.

Now.. I'm certainly not to blame me if your RPi goes up in smoke.

Posted: **Fri Feb 01, 2013 4:00 pm**

Here's some usefull information regarding OC...

Clocks relationship

The GPU core, h264, v3d and isp share a PLL, therefore need to have related frequencies. ARM, SDRAM and GPU each have their own PLLs and can have unrelated frequencies.[9]
The following is not necessary with "avoid_pwm_pll=1".
pll_freq = floor(2400 / (2 * core_freq)) * (2 * core_freq)
gpu_freq = pll_freq / [even number]
The effective gpu_freq is automatically rounded to nearest even integer, so asking for core_freq=500 and gpu_freq=300 will result in divisor of 2000/300 = 6.666 => 6 and so 333.33MHz.

Source

Posted: **Sat Feb 02, 2013 4:48 pm**

whufclee wrote:Don't know whether or not anyone is interested but I've created a couple of r-pi images. It's got a few tweaks on some addons, smart playlists and whatnot. There's rather a lot to write up about it but anyway here it is running on windows (openelec & raspbmc builds also available).
http://www.xbmchub.com/forums/xbmc-look ... shows.html

I'm definitely interested & will take a look

Thanks !

Posted: **Sat Feb 02, 2013 5:38 pm**

I looked at the link and did not understand this? Can someone please explain in noobish?

Posted: **Sat Feb 02, 2013 5:40 pm**

whufclee wrote:Yeah the skin is very customisable so you can name it what you want, it's basically just a link to your favourites so you really can stick anything you want in there and easily change the background too. Just got back and am now trying to find somewhere to upload to - any ideas? MEGA is being a bit slow for me at the moment.

On another semi-related note, I decided to give raspbmc another go and wow... Sam has done a brilliant job on that over the last couple of months. I'd say it's probably not quite as fast as openelec BUT the big bonus for me is it has loads of drivers installed so even cheap wifi dongles and remotes work out of the box. You can also OC and edit all your config settings from the GUI which makes it a lot easier for the end user. If you've got a couple of SD cards it might be worth trying out both builds and testing for yourself.

Found somewhere to host it so i can try it?

Posted: **Sat Feb 02, 2013 7:08 pm**

Yeah if you check the OP on xbmchub (the link I originally posted) I've got it available for openelec, raspbmc, windoze and linux. There's also a video I've done this morning on how to edit the homepage layout.

Posted: **Fri Feb 08, 2013 10:02 am**

Has anyone tried the latest nigthlies of OpenELEC with DTS patch?

Samsumg demo Oceanic Life (1080p DTS 40Mbps MKV) plays on OC'ed RPi (900mhz) @ ~80% Woow

Posted: **Fri Feb 08, 2013 3:32 pm**

PressY4Pie wrote:ohh. try a different set of headphones to see?

Well I've tried various headphones, amps etc.
I've connected a ground loop isolator between the Pi and my headphones, still the same noise.
I've tried shielding the case and power supply cable and grounding it, still the same noise.
Its terrible, like a 2 stroke engine in the background.

So it must be AC leaking in through the power supply, right?
I think maybe I'll chop the power supply cable and wire a ATX power supply up and see what happens, but I'd rather someone confirm I'm not crazy first

Posted: **Fri Feb 08, 2013 8:58 pm**

Well I can answer my own question, yes it was a crappy power supply that was causing the noise. I cut the connector off and got 5v from an old HHD caddy power supply, now nice clean audio

Posted: **Wed Feb 13, 2013 2:46 pm**

Glad you sort it out asbo

Finally running OpenELEC from a 16GB USB 3.0 pendrive.
Could be placebo but seems a bit faster then the 8GB Class 10 SD Card... also it improves stability under higher OC'ing and prevents SD Card corruption.

Posted: **Wed Feb 13, 2013 6:19 pm**

ah well even with the audio sorted its still inferior to the good old xbox. There's a slight hiss in the background which isn't there on the xbox.
So xbmc4xbox forever

Posted: **Wed Feb 13, 2013 7:59 pm**

asbo wrote:ah well even with the audio sorted its still inferior to the good old xbox. There's a slight hiss in the background which isn't there on the xbox.
So xbmc4xbox forever

you could use the digital out ?

Posted: **Wed Feb 13, 2013 8:05 pm**

nope, using HDMI to DVI and the monitor has no audio capabilities. So I plug my headphones straight into the Pi and it doesn't sound all that great.

Posted: **Wed Feb 13, 2013 8:42 pm**

Excuse my ignorance, but why would I choose to use raspberry pi over my Xboxs'? What are the pros & cons if any?

Posted: **Wed Feb 13, 2013 8:52 pm**

asbo wrote:nope, using HDMI to DVI and the monitor has no audio capabilities. So I plug my headphones straight into the Pi and it doesn't sound all that great.

cheap usb soundcard? (as cheap as £1.50!) (making sure the chipset is compatible with alsa)

http://www.ebay.co.uk/sch/i.html?_nkw=e ... &_from=R40

also see:
http://www.raspberrypi.org/phpBB3/viewtopic.php?t=20866

Posted: **Wed Feb 13, 2013 9:49 pm**

@onthatB0MBSHELL Pi can play pretty much anything including 1080p stuff.

@Buzz I actually have a couple of those cards, I did try plugging one in but no sound came out(not that I was expecting it to without configuration). I'm using openelec and I'm not sure how to dig around in its gut to enable an external sound card, but tbh I just gave up and fired up the xbox instead

Of course I'd still like to get some nice 1080p with good sound, so any help is welcome

Posted: **Wed Feb 13, 2013 10:13 pm**

Have you tried that soundcard with raspbmc yet? It's come a long way in the past few months and I feel is comparable in performance to openelec, however all devices I've thrown at it work out of the box (unlike OE) as it has loads of drivers installed.

@ onthatB0MBSHELL: Have you used mainbranch xbmc before? That's what you'll be getting so there's a lot more than just full HD on offer. However you can't play xbox games on the pi and it doesn't come with a DVD drive as standard (that's all the cons I can think of right now).

Posted: **Wed Feb 13, 2013 10:47 pm**

@ onthatB0MBSHELL: Have you used mainbranch xbmc before? That's what you'll be getting so there's a lot more than just full HD on offer. However you can't play xbox games on the pi and it doesn't come with a DVD drive as standard (that's all the cons I can think of right now).[/quote]

I have Xbmc Frodo running on an iPad and my HTC smartphone, also main Xbmc running on my
HomePC, but I read somewhere that Raspberry Pi does not stream? So I can't see the point of having it with Xbmc on it if I can't use it for the likes of 1 channel or ice films is this fact?

Posted: **Wed Feb 13, 2013 10:50 pm**

onthatB0MBSHELL wrote: I have Xbmc Frodo running on an iPad and my HTC smartphone, also main Xbmc running on my
HomePC, but I read somewhere that Raspberry Pi does not stream? So I can't see the point of having it with Xbmc on it if I can't use it for the likes of 1 channel or ice films is this fact?

No.

Posted: **Thu Feb 14, 2013 12:35 am**

trogggy wrote:
onthatB0MBSHELL wrote: I have Xbmc Frodo running on an iPad and my HTC smartphone, also main Xbmc running on my
HomePC, but I read somewhere that Raspberry Pi does not stream? So I can't see the point of having it with Xbmc on it if I can't use it for the likes of 1 channel or ice films is this fact?
No.

http://lifehacker.com/5929913/build-a-x ... spberry-pi
I read it here.

XBMC4Xbox

Aye, Aye Raspberry Pi

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