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Added a workaround for a compatibility problem involving old 10.6 AudioUnit hosts.

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This commit is contained in:
jules 2015-08-23 19:06:49 +01:00
parent 64f36624ec
commit 2535fc8fcc
1 changed files with 11 additions and 2 deletions
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13
modules/juce_audio_plugin_client/AU/CoreAudioUtilityClasses/AUBase.cpp
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@ -58,6 +58,15 @@
// NB: This line added for JUCE, for backwards-compatibility with pre-10.8 frameworks
#define kAudioUnitProperty_NickName ((AudioUnitPropertyID) 54)
// This is for JUCE, added as a workaround for problems in older hosts following an API change.
struct OldHostCallbackInfo
{
void* hostUserData;
HostCallback_GetBeatAndTempo beatAndTempoProc;
HostCallback_GetMusicalTimeLocation musicalTimeLocationProc;
HostCallback_GetTransportState transportStateProc;
};
#if TARGET_OS_MAC && (TARGET_CPU_X86 || TARGET_CPU_X86_64)
// our compiler does ALL floating point with SSE
@ -509,7 +518,7 @@ OSStatus AUBase::DispatchGetPropertyInfo(AudioUnitPropertyID inID,
#if !CA_NO_AU_HOST_CALLBACKS
case kAudioUnitProperty_HostCallbacks:
ca_require(inScope == kAudioUnitScope_Global, InvalidScope);
outDataSize = sizeof(mHostCallbackInfo);
outDataSize = sizeof(OldHostCallbackInfo);
outWritable = true;
break;
#endif
@ -743,7 +752,7 @@ OSStatus AUBase::DispatchGetProperty( AudioUnitPropertyID inID,
#if !CA_NO_AU_HOST_CALLBACKS
case kAudioUnitProperty_HostCallbacks:
memcpy(outData, &mHostCallbackInfo, sizeof(mHostCallbackInfo));
memcpy(outData, &mHostCallbackInfo, sizeof(OldHostCallbackInfo));
break;
#endif
#if !CA_NO_AU_UI_FEATURES