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#421257 - 11/29/16 02:58 PM AxiomAir Developer Guide?
Cohesion Offline
local

Registered: 03/27/12
Posts: 282
Loc: Maple, Ontario, Canada
In case any current or future users of AxiomAir should want to add new software features to the system, is there any chance that any form of Developer Guide, published APIs, extension specifications, software architecture definition, or any other helpful documentation on the Air's operating system will be made available? Given that the Air runs on open source Raspberry Pi and Linux, I'm assuming that adding features and/or extending the basic functionality would be possible without having to get into any Axiom proprietary IP, correct?

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#421258 - 11/29/16 03:04 PM Re: AxiomAir Developer Guide? [Re: Cohesion]
Newf Offline
aficionado

Registered: 04/14/05
Posts: 757
Loc: NL
Hmm Kodi + AxiomAir....wonder what that would be like
_________________________
2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12

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#421259 - 11/29/16 03:22 PM Re: AxiomAir Developer Guide? [Re: Cohesion]
Cohesion Offline
local

Registered: 03/27/12
Posts: 282
Loc: Maple, Ontario, Canada
Given that there's no video display in the Air, it seems unlikely that any of Kodi's video capabilities could be made to work but it may be possible to get the Kodi sound playback features working. This would however require running the Kodi GUI on some connected device with a screen and I'm not sure how easy it would be to accomplish!

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#421268 - 11/30/16 06:51 AM Re: AxiomAir Developer Guide? [Re: Cohesion]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3400
Loc: Laval, Quebec, Canada
AA is based on https://volumio.org/.
At its core is MPD and there are many MPD clients out there for an alternative UI. I personally use MPD CLI interface to integrate the AA into my own audio control software (especially volume control).
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
AxiomAir/6xM2/4xM22/2xVP150/2xM3

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#421269 - 11/30/16 07:52 AM Re: AxiomAir Developer Guide? [Re: Cohesion]
Newf Offline
aficionado

Registered: 04/14/05
Posts: 757
Loc: NL
you can install kodi onto rasberri pi using ssh, no video needed. Apparantly kodi as well.

http://www.circuitbasics.com/raspberry-pi-basics-setup-without-monitor-keyboard-headless-mode/

can't say I've ever done it. Obviously there is no video on the axiom air, and honestly I've only ever used kodi for video on my HT. But if its audio plugins are as good as it's video. If I get some time I'll try it out on a RPI unit from work. Probably a futile idea but Kodi has such good support it just popped into my crazy head for a sec.


Edited by newf (11/30/16 08:02 AM)
_________________________
2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12

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#421270 - 11/30/16 08:35 AM Re: AxiomAir Developer Guide? [Re: Cohesion]
Cohesion Offline
local

Registered: 03/27/12
Posts: 282
Loc: Maple, Ontario, Canada
Interesting idea! The Raspberry Pi itself, on which the AA is based, does have video and 3D graphics support, including an HDMI output. As I understand it that HDMI output has not been made available on the Air. That could most likely be added on a future version, and we will likely be able to implement a temporary workaround.

What makes this even more interesting is that Kodi itself has a 'remote control' app that can be installed on an Android or iOS device. This would allow for the operation of Kodi on the Air even without a locally-connected display.

We will need to find out what external device(s) are added to the Pi in the Air. Obviously there is an amplifier but is there also an external DAC? If so how could we make it available to Kodi?

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#421275 - 11/30/16 02:52 PM Re: AxiomAir Developer Guide? [Re: Cohesion]
Newf Offline
aficionado

Registered: 04/14/05
Posts: 757
Loc: NL
Can you imagine, worlds best Kodi device. 150 watts of great sound. sub out, just add a tv. Lets see those little android boxes do that!

lol

I doubt the pi unit they are using is capable of proper video though. Nice dream.


Edited by newf (11/30/16 02:57 PM)
_________________________
2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12

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#421278 - 11/30/16 04:27 PM Re: AxiomAir Developer Guide? [Re: Newf]
Cohesion Offline
local

Registered: 03/27/12
Posts: 282
Loc: Maple, Ontario, Canada
Hi Newf!

Actually, as far as I know, the Pi unit in the AA is the latest version which is the same one that is already in wide use as a Kobi player. The standard Pi 3 has full support for HDMI up to v1.3 which covers Full HD. My understanding is that the Pi does work well for this although higher resolutions than Full HD such as 4K generally don't work at all or only poorly and/or at very low refresh rates.

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#421283 - 12/01/16 08:03 AM Re: AxiomAir Developer Guide? [Re: Cohesion]
Newf Offline
aficionado

Registered: 04/14/05
Posts: 757
Loc: NL
So all we need is a dremel and find the hdmi port smile

Before anyone thinks I'm serious....I'm not. 5yr warranty...gone, $1000 system...done.
_________________________
2xAA
M80/VP150/VP160/QS8
4xM3/M22OW/M2OW/VP150OW/4xM3IC/4xM3OW
EP500/800/HSU VTF3/SVS PB2k/SB2k/SB-12

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#421284 - 12/01/16 08:24 AM Re: AxiomAir Developer Guide? [Re: Newf]
Cohesion Offline
local

Registered: 03/27/12
Posts: 282
Loc: Maple, Ontario, Canada
Haha! When I floated the idea of connecting to some existing port on the Pi that hadn't been made available on the AA itself, Ian seemed more in favour of the use of an ordinary drill, but this was being discussed within the context of some theoretical prototyping work so I'm sure that any power tools would be applied to an AA chassis before final assembly rather than a finished product.

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