Prospects of an OpenAL audio driver...
Eric Pouech
eric.pouech at wanadoo.fr
Tue Jun 6 15:36:26 CDT 2006
Nick Burns wrote:
> OpenAL 1.1 supports recording... (1.0 does not have recording so that
> is a problem yes)
> -- My driver handles this atm -- it checks for recording capabilities
> and supports accordingly
half or full duplex ?
>
> The OpenAL api is rather simple
> - For playback : you make buffers and queue them then poll them (to
> find out when they are done)
> There are some extensions that cut out
> copies/support eax/... (I have not looked at em yet)
> (support 2d and 3d audio)
hmm that's what we said for Alsa... 3 years later quality is still not
there :-/
> - For recording (1.1 only) : start capturing -- poll (get data -- if
> there) -- stop recording
>
> The dsound mapping stuff I want to understand better (are there any
> docs for this?)
> I am sure we can layer it on OpenAL (hopefully good)
I doubt it for direct HW mapping (HEL should be fine). Unfortunately, no
doc.
>
> PortAudio looks like a good choice as well -- afaict -- but I dont
> have any exp with it (not that I had any openal exp when i started
> that driver hehe)
>
The whole point here is that OpenAL doesn't bring much to the picture
(apart perhaps from a portability perspective, but it's still overkill).
A+
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