[Openal] Playing on two soundcards simultaneously (Win XP):
First context stutters
divide at divideconcept.net
Mon Feb 11 08:01:28 PST 2008
Hey just found out another reason to use OpenAL Soft over original OpenAL
(and that point might be useful for you, as you want multiple output): I
tested the original OpenAL in my home theater with the "playmultichannel"
example, and what it did was just using the front left/right canals, even
for the sounds supposed to be on rear speakers, center and bass. Then I
added the OpenAL32.dll from OpenAL Soft, and guess what, it all played
perfectly on the 6 channels ;)
Fabian Wickborn wrote:
> thanks for pointing this out. Indeed, the repository versions have some
> features that are needed but not found in the latest release. It looks
> like that the author of OpenAL-soft implemented the enumeration of all
> DirectSound devices just two days ago. And without it, I would not have
> been able to get my hands on both soundcards at the same time.
> I'm still evaluating OpenAL-soft so I can't tell whether it solves my
> problem or not. I'll report as soon as I got some results..
> Divide wrote:
>> Yes, you might give it a try, OpenAL Soft allowed me to do things that
>> were impossible with the original OpenAL, like recording from two devices
>> simultaneously :)
>> Be sure to get the latest release from the GIT repository, as version
>> 1.2.218 had some trouble with directsound on my computer:
>> Fabian Wickborn wrote:
>>>> Which implementation are you using? Creative SDK? OpenAL-Windows from
>>>> SVN? OpenAL-Soft?
>>> So far, I've been I was using Creative's "Summer 2007 OpenAL SDK" with
>>> the according binaries on the target hosts.
>>>> You're one of the few. I don't recall anyone else off the top of my
>>>> head. I don't mind admitting that this is one of the areas of OpenAL
>>>> that probably hasn't been well-tested on any platform. One suggestion
>>>> have (if you're not already using it) is to try OpenAL-Soft at:
>>>> primarily because it's being actively developed and you're most likely
>>>> to get stuff working if you report specific problems.
>>> Thanks for that hint, which I am going to follow now. I was not aware
>>> that there was something like OpenAL-Soft around. I'll let you know the
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