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Added missing call to JuceAU's base class' SetBusCount method

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hogliux 2017-02-09 09:06:09 +00:00
parent 7e39b58b31
commit dd2d64c363
1 changed files with 11 additions and 4 deletions
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15
modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
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@ -304,9 +304,17 @@ public:
if ((! juceFilter->canAddBus (isInput)) && ((busCount == 0) || (! juceFilter->canRemoveBus (isInput))))
return kAudioUnitErr_PropertyNotWritable;
// we need to already create the underlying elements so that we can change their formats
err = MusicDeviceBase::SetBusCount (scope, count);
if (err != noErr)
return err;
// however we do need to update the format tag: we need to do the same thing in SetFormat, for example
const int requestedNumBus = static_cast<int> (count);
{
(isInput ? currentInputLayout : currentOutputLayout).resize (requestedNumBus);
int busNr;
for (busNr = (busCount - 1); busNr != (requestedNumBus - 1); busNr += (requestedNumBus > busCount ? 1 : -1))
@ -331,10 +339,6 @@ public:
err = (busNr == (requestedNumBus - 1) ? noErr : kAudioUnitErr_FormatNotSupported);
}
// we need to already create the underlying elements so that we can change their formats
if (err == noErr)
err = MusicDeviceBase::SetBusCount (scope, count);
// was there an error?
if (err != noErr)
{
@ -348,6 +352,9 @@ public:
juceFilter->removeBus (isInput);
}
(isInput ? currentInputLayout : currentOutputLayout).resize (busCount);
MusicDeviceBase::SetBusCount (scope, static_cast<UInt32> (busCount));
return kAudioUnitErr_FormatNotSupported;
}