linuxaudio.org

2011/2/26 Olivier Guilyardi :

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> On 02/26/2011 06:45 PM, Stefano D'Angelo wrote:

>

>>> Something like 100k-200K could be fine in my case, at the condition that adding

>>> LV2 support provides a real benefit in terms of functionality.

>>

>> This depends on what you are using it for and how. Being decentralized

>> & extensible, you could also use it to make coffee. :-)

>

> Heh :) Well, right now, I'm more wondering about what ui:AndroidUi could be.

>

> Aside, in the ui ext docs there's this example which contains ui:binary, but I

> can't find any reference documentation about this binary property on the page:

> http://lv2plug.in/ns/extensions/ui/

Good catch, that ought to be fixed.
>>> I don't want to wake up old trolls, but last fall, when I had a sound engineer

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>>> intern working on the topic, we ended up thinking that integrating LADSPA would

>>> really be straightforward. No such overhead, great portability, and plenty of

>>> plugins.

>>

>>> So most logically, when time comes to add plugin support, I will start with

>>> LADSPA. LV2 will maybe come afterwards. But this could change if there suddenly

>>> is a enthusiastic mood about LV2 on Android, and that LV2 plugin packages arrive

>>> on the Android Market.

>>

>> I respect your choice and understand the rationale. Also, all of this

>> changes won't happen by tomorrow (my guess is 2/3 months, based on

>> feeling more than facts), so if you "need effects soon", you should

>> probably go that route.

>

> Effects are not the top priority. I've done quite a lot of research on it

> because it was a good topic for my intern to work on. I have other basic

> features to add first. And the schedule that you mention makes sense to me.

Hopefully it makes sense also to Dave as well, since everything else

that's needed is his stuff.
>> However, in the long run, I would avoid LADSPA for two reasons: 1.

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>> lack of extensibility, etc., 2. LADSPA plugins can run into LV2 hosts

>> without explicit support through the NASPRO bridges (which will be

>> able to work by default with SLV2 starting from the next SLV2 release,

>> otherwise you can grab the current svn SLV2 already).

>

> Hmm, I've been wandering in google yesterday about such LV2-LADSPA bridge.

>

> I am discovering the NASPRO project. That's interesting. It seems like it may

> consume a lot of brain-time diving into all this when compared to LADSPA. But

> I'm nevertheless a bit worried about adding support for LADSPA, as it's getting

> old and somehow obsolete. But IIUC correctly you are about to add some sort of

> LADSPA backward compatibility, which in any case, sounds very good and was

> clearly missing.

It's already there if you want, the 0.2.0 release is from the last

year but should still work if you use a recent svn version of SLV2.
>> So it turns out it depends on how long you want to wait, or rather if

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>> you would consider giving some help, and what you want to do with LV2.

>

> What kind of help would you need?

There are several departments. :-)
I've enumerated above the stuff missing from NASPRO core, then SLV2

should use it, and that would probably be a good part of the work

already.
> Also, are you/is there anyone on the list who is interested in releasing audio

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> plugins for Android? Feel free to write me personally if needed.

I plan to develop a DSP language and compiler that generates LV2

plugins. Also in this case, a prototype is already in place (look for

"Permafrost" on the NASPRO website - no easy-to-read language

documentation yet, and both the syntax and the compiler have to be

redone, but I may get resources - time and moeny - to do this pretty

soon).
Then, there are some plugins I more or less did (but not released

yet). It's guitar fx stuff, however, so I don't know how they could be

used in Android (ideas?).
Stefano

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