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Switched CoreAudio MIDI driver to use AudioUnit v2 API (results in better Leopard support/performance, it seems, at least in Exult)

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svn-id: r31113
This commit is contained in:
Max Horn 2008-03-12 18:38:03 +00:00
parent 6b3b7a5dc2
commit b434f189bc
1 changed files with 6 additions and 8 deletions
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14
backends/midi/coreaudio.cpp
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@ -76,25 +76,23 @@ int MidiDriver_CORE::open() {
return MERR_ALREADY_OPEN;
// Open the Music Device.
// We use the AudioUnit v1 API, even though it is deprecated, because
// this way we stay compatible with older OS X versions.
// For v2, we'd use kAudioUnitType_MusicDevice and kAudioUnitSubType_DLSSynth
RequireNoErr(NewAUGraph(&_auGraph));
AUNode outputNode, synthNode;
ComponentDescription desc;
// The default output device
desc.componentType = kAudioUnitComponentType;
desc.componentSubType = kAudioUnitSubType_Output;
desc.componentManufacturer = kAudioUnitID_DefaultOutput;
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
RequireNoErr(AUGraphNewNode(_auGraph, &desc, 0, NULL, &outputNode));
// The built-in default (softsynth) music device
desc.componentSubType = kAudioUnitSubType_MusicDevice;
desc.componentManufacturer = kAudioUnitID_DLSSynth;
desc.componentType = kAudioUnitType_MusicDevice;
desc.componentSubType = kAudioUnitSubType_DLSSynth;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
RequireNoErr(AUGraphNewNode(_auGraph, &desc, 0, NULL, &synthNode));
// Connect the softsynth to the default output