Re: Mixer units
Re: Mixer units
- Subject: Re: Mixer units
- From: Bill Stewart <email@hidden>
- Date: Fri, 7 Mar 2003 11:52:06 -0800
Sailor
On Friday, March 7, 2003, at 11:38 AM, Sailor Quasar wrote:
Thanks to everyone who answered my question about the AudioConverter
(those pitfalls really need to be documented somewhere, IMHO), but now
I have a new problem. I've switched to using
AudioConverterFillComplexBuffer() for the data conversion and that
works fine, but now I'm having problems with both the stereo and 3D
mixers. I'm not experienced with audio, so forgive me if some of this
is stupid.
When I'm using the stereo mixer (my input is a WAV file with 2-channel
16-bit linear signed integer PCM data, again), I can affect the volume
(kStereoMixerParam_Volume), but the panning (kStereoMixerParam_Pan)
has no effect whatsoever. Someone has suggested to me that pan is
meaningless when the input data is stereo, but seeing as how the
default input of the stereo mixer is 2-channel, I'm more than a bit
confused here.
We haven't implemented panning for stereo sources..
When using the 3D mixer, I can't set ANY parameters.
k3DMixerParam_Azimuth, k3DMixerParam_Elevation, they all return
kAudioUnitErr_InvalidParameter no matter what I do.
Take a look at the 3DMixer example code in the SDK - that works fine -
take a look at the view code where these are set (that should be the
same behaviour with its a V1 or V2 instance that you're dealing with)
Bill
These are all V2 AudioUnits (to try it with V1 I'd have to rewrite
this whole thing all over again and I refuse to do that unless I have
to).
-- Sailor Quasar, just another player in The World
"Come with me in the twilight of the summer night for awhile"
Email: email@hidden
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| References: | |
| | >Mixer units (From: Sailor Quasar <email@hidden>) |