WELL i PLAYED A BETA OF MOTA WHERE SFML KEPT CRASHING ON EXIT.
aS FAR AS i COULD SEE THE 3D PAN CONTROL WAS A BIT WEIRD, BUT FOR THE
MOST PART SOUND WAS QUITE GOOD.
iTS NOT AS SMOOTH AS DIRECT SOUND.
iN SERTAIN SITUATIONS WITH SOME SOUNDCARDS LIKE IN THE GAME TEAM,
OPENAL WILL NOT INITIALISE AT ALL.
tHOUGH i SUSPECT THIS IS THE IMPLIMENTATION AS IN MOTA IT DID.
At 10:50 a.m. 8/03/2011, you wrote:
Hi Thomas,
How does OpenAl handle 3d simulation with normal headphones? I found
that to be the main issue with the 3d rendering in DirectSound. It
gave a very poor experience for those who did not actually have a
5.1 setup which I do not, and I believe most people will be using
stereo either through headphones or speakers. I have not yet tested
the 3d functions of XAudio2, as I primarily make sidescroller and
adventure games. Like many others I get easily lost in the full 3d
fps titles, not so much because I am unable to hear where things are
located but more because I can never seem to figure out exactly how
I'm facing and how the passages twist and turn etc, and these have
only really been 2d games. Add yet another dimention and I have a
feeling I'd be truly lost. Lol.
I did look at OpenAl a few years ago before I decided to have
Streemway developed, but got discouraged by the fact that it could
not be bundled in with the game as far as I could gather at the
time. The user had to run yet another instalation package which made
me decide to skip it.
Kind regards,
Philip Bennefall
----- Original Message ----- From: "Thomas Ward" <thomasward1...@gmail.com>
To: <phi...@blastbay.com>; "Gamers Discussion list" <gamers@audyssey.org>
Sent: Monday, March 07, 2011 2:07 PM
Subject: Re: [Audyssey] Seamlessly upgrading DirectX
Hi,
Yes and no. It is true that OpenAL doesn't come with a stereo pan
control, but I've read a few articles on how to essentually create
your own pan control provided you are wrapping OpenAL directly. Which
I wasn't doing around beta 14/beta 15.
When I was working on betas 14/15 I thought I would try my hand at
using an open source piece of middleware called SFML highly
recommended by a lister. As it turns out SFML is buggy on Windows XP,
and the audio API for SFML doesn't expose the complete OpenAL API.
That meant I had no way to extend OpenAL and add a pan control because
it wasn't accessing it directly. The way to get around that problem is
to write your own middleware like Streemway which wraps OpenAL and you
can add a custom pan control and any custom DSP effects you want.
OpenAL is a fairly decent audio library all things considered and I
think in time with some development and experimentation I can produce
something equal to XAudio2 and Streemway once I have a chanse to write
my own middleware API.
In the mean time I'm still using SFML 1.6 for the Linux versions of my
games and the panning isn't too bad using the 3d audio control. It
just takes a bit of math to try and make it pan cleanly. However,
where it really shines is 5.1 and 7.1 surround sound. Which is mainly
what I need anyway for my FPS games.
HTH
On 3/6/11, Philip Bennefall <phi...@blastbay.com> wrote:
Hi Thomas,
Also, with OpenAl wouldn't you be suffering from the inferior panning
control? Or rather, the lack of one. Granted XAudio2 doesn't have one
either, but as we've discussed it is perfectly possible to build one that
works exactly as in DirectSound which is what Streemway implements. You
still get all the 3d features, of course, as well as the ability to both use
the provided effects and insert your own dsp code. Streemway exposes these
features, and so will BGT.
Kind regards,
Philip Bennefall
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