[Bf-committers] SDL versus OpenAL

Erwin Coumans erwin at erwincoumans.com
Sun Oct 30 09:47:15 CET 2005


>Personally I don't think OpenAL sould be a dependency, what about IF/DEFS 
>so SDLSound can be default?

It would be great if we can switch to SDLSound by default. If I can be of 
any help let me know.
If you send me some patches, I can test & commit the gameengine files.

Erwin


----- Original Message ----- 
From: "Campbell Barton" <cbarton at metavr.com>
To: "bf-blender developers" <bf-committers at projects.blender.org>
Sent: Sunday, October 30, 2005 11:17 AM
Subject: Re: [Bf-committers] SDL versus OpenAL


> Hey Guys.
> From a quick look and some expierence.
> SDL Sound: Basic stereo sound API - does most things youll ever want for a 
> game, well supported by SDL guys which seems to release every so often and 
> have active dev.
>
> OpenAL- 3D Sound Developed by Loki games (Died in the arse ages ago) Dev 
> was ment to continue though seems slow (there are 3 implementations AFAIK- 
> I did some stuff with it a while back 2 yrs? - Original from Loki, 
> Creative's and another independent one I cant recall the name of)
> Creative SBLive have EAX OpenAL accelerated sound but there the only 
> company that do it. Apparently documentation is poor. (On the OpenAL page 
> there were only 2 examples of apps that use it (omitting blender))
> - Examples of usage is 3d positional audio, (would work on 5.1 sound 
> systems) , Doppler (blender uses this) - SDL Sound would not be able to do 
> these if OpenAL was dropped.
>
> I cant work out of develoment has stopped- Read the dev archives, seems 
> people are talking,
> Seems like 1.1 was released 2005, 5 years between v1.0 to 1.1 could maen 
> close to discontinued :/
> http://opensource.creative.com/pipermail/openal-devel/
>
> Personally I don't think OpenAL sould be a dependency, what about IF/DEFS 
> so SDLSound can be default?
>
> Downloading the latest OpenAL 1.1+ now from the CVS...
> - Cam
>
>
> Tom M wrote:
>> intrr has SDL sound instead of OpenAL in his instinctive blender tree,
>>
>> intrr - could you outline the advantages this offers?  Also are there
>> any disadvantages to switching to SDL from OpenAL?
>>
>> I seem to recall that you stated the code changes are fairly minimal,
>> and would improve ease of maintenance.  Also a number of nice features
>> for the game engine - how does it affect sound in the sequencer
>> though?
>>
>> Also would it be possible to create a patch for testing?
>>
>> Thanks,
>>
>> LetterRip
>> _______________________________________________
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>>
>
>
> -- 
> Campbell J Barton
>
> 133 Hope Street
> Geelong West, Victoria 3218 Australia
>
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> e-mail: cbarton at metavr.com
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