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Overriding SupportedNumChannels
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Overriding SupportedNumChannels


  • Subject: Overriding SupportedNumChannels
  • From: Alex Weiss <email@hidden>
  • Date: Tue, 29 Jun 2010 16:34:51 +0200

Hello,
for my panner plug-in, I need to restrict the possible input/output
combinations, which I thought is done by overriding
SupportedNumChannels. Here's my code:

UInt32 SurroundPanner::SupportedNumChannels (const AUChannelInfo** outInfo)
{
static AUChannelInfo channelInfo = {1, 2};
if (outInfo)
*outInfo = &channelInfo;
return 1;
}

The code compiles without errors, but whenever I try to load the AU in
AULab, I get the following error: "AULab cannot load the effect
"MyPanner" because an error has occurred. Result Code: -10868." To
test this a bit further, I tried various combinations for channelInfo
- none of them worked. What am I doing wrong?

Thanks,
Alex
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