Re: StereoMixer
Re: StereoMixer
- Subject: Re: StereoMixer
- From: Robert Grant <email@hidden>
- Date: Tue, 17 Jun 2003 12:56:22 -0400
Dunno about the interleaved streams issue but panning stereo sources is
not supported by the Mixer. This is because there's some debate about
whether you can actually "pan" a stereo source.
What most of us would be happy with is for it to work like a balance
control but it doesn't.
There was a lot of discussion about this a while back (search the
archives) and I remember Bill making some hints about upcoming
things... to be revealed at WWDC perhaps? Maybe I'm just rumor
mungering? :-)
Robert.
On Tuesday, June 17, 2003, at 12:21 PM, Lieven Dekeyser wrote:
Hey!
It's been a while since I last used CoreAudio and posted here. Since
then the AudioUnit v2 specification got out and now I'm trying to
catch up a bit..
I've converted the PlaySoundFileBuffered example from Kurt Revis to
use the v2 RenderCallback. I also made it possible to connect to other
AudioUnits than the DefaultOutputUnit. This is when I first ran into
trouble: apparently the StereoMixer doesn't support interleaved
streams, so I had to connect an extra ConverterUnit. Is there any
particular reason for this?
A second problem I'm having is that the pan parameter doesn't seem to
work:
AudioUnitSetParameter(myMixer, kStereoMixerParam_Pan,
kAudioUnitScope_Input, 0, 1.0f, 0);
doesn't do a thing.. it doesn't even return an error.. any ideas why?
thanks,
--Lieven
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| References: | |
| | >StereoMixer (From: Lieven Dekeyser <email@hidden>) |