commit 3af2221b4c8e12b43382d1ef2be614e2fe0660de
parent db7ee14af9895ac4e878426571c38ab95cb56672
Author: falkTX <falktx@falktx.com>
Date: Mon, 26 Feb 2024 14:37:31 +0100
Cleanup some AU details, ensure "aumu" has dual IO
Signed-off-by: falkTX <falktx@falktx.com>
Diffstat:
2 files changed, 110 insertions(+), 78 deletions(-)
diff --git a/distrho/src/DistrhoPluginAU.cpp b/distrho/src/DistrhoPluginAU.cpp
@@ -218,18 +218,24 @@ typedef std::vector<RenderListener> RenderListeners;
// --------------------------------------------------------------------------------------------------------------------
-#if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
-# define DPF_AU_NUM_BUFFERS 1
-#elif DISTRHO_PLUGIN_NUM_INPUTS > DISTRHO_PLUGIN_NUM_OUTPUTS
-# define DPF_AU_NUM_BUFFERS DISTRHO_PLUGIN_NUM_INPUTS
+#if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+# if DISTRHO_PLUGIN_NUM_INPUTS > DISTRHO_PLUGIN_NUM_OUTPUTS
+# define DPF_AU_NUM_BUFFERS DISTRHO_PLUGIN_NUM_INPUTS
+# else
+# define DPF_AU_NUM_BUFFERS DISTRHO_PLUGIN_NUM_OUTPUTS
+# endif
#else
-# define DPF_AU_NUM_BUFFERS DISTRHO_PLUGIN_NUM_OUTPUTS
+# define DPF_AU_NUM_BUFFERS 0
#endif
+#if DPF_AU_NUM_BUFFERS != 0
typedef struct {
UInt32 mNumberBuffers;
AudioBuffer mBuffers[DPF_AU_NUM_BUFFERS];
} d_AudioBufferList;
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
typedef struct {
UInt32 numPackets;
@@ -264,13 +270,12 @@ public:
fLastRenderError(noErr),
fPropertyListeners(),
fRenderListeners(),
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
fSampleRateForInput(d_nextSampleRate),
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
fSampleRateForOutput(d_nextSampleRate),
#endif
- #if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
- fHasWorkingAudio(false),
- #endif
fUsingRenderListeners(false),
fParameterCount(fPlugin.getParameterCount()),
fLastParameterValues(nullptr),
@@ -304,10 +309,13 @@ public:
}
}
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
std::memset(&fInputRenderCallback, 0, sizeof(fInputRenderCallback));
fInputRenderCallback.inputProc = nullptr;
fInputRenderCallback.inputProcRefCon = nullptr;
+ #endif
+ #if DPF_AU_NUM_BUFFERS != 0
fAudioBufferList.mNumberBuffers = DPF_AU_NUM_BUFFERS;
for (uint16_t i=0; i<DPF_AU_NUM_BUFFERS; ++i)
@@ -316,6 +324,7 @@ public:
fAudioBufferList.mBuffers[i].mData = new float[bufferSize];
fAudioBufferList.mBuffers[i].mDataByteSize = sizeof(float) * bufferSize;
}
+ #endif
#if DISTRHO_PLUGIN_WANT_MIDI_INPUT
std::memset(&fMidiEvents, 0, sizeof(fMidiEvents));
@@ -376,8 +385,10 @@ public:
delete[] fLastParameterValues;
CFRelease(fUserPresetData.presetName);
+ #if DPF_AU_NUM_BUFFERS != 0
for (uint16_t i=0; i<DPF_AU_NUM_BUFFERS; ++i)
delete[] static_cast<float*>(fAudioBufferList.mBuffers[i].mData);
+ #endif
#if DISTRHO_PLUGIN_WANT_PROGRAMS
for (uint32_t i=0; i<fProgramCount; ++i)
@@ -432,12 +443,14 @@ public:
case kAudioUnitProperty_SampleRate:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
- if (inScope == kAudioUnitScope_Input)
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
+ if (inScope == kAudioUnitScope_Input && 0)
{
outDataSize = sizeof(Float64);
outWritable = true;
return noErr;
}
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
{
@@ -471,12 +484,14 @@ public:
case kAudioUnitProperty_StreamFormat:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (inScope == kAudioUnitScope_Input)
{
outDataSize = sizeof(AudioStreamBasicDescription);
outWritable = true;
return noErr;
}
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
{
@@ -539,9 +554,13 @@ public:
case kAudioUnitProperty_SetRenderCallback:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input, inScope, kAudioUnitErr_InvalidScope);
DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
outDataSize = sizeof(AURenderCallbackStruct);
outWritable = true;
return noErr;
+ #else
+ return kAudioUnitErr_InvalidProperty;
+ #endif
case kAudioUnitProperty_FactoryPresets:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
@@ -568,9 +587,13 @@ public:
case kAudioUnitProperty_InPlaceProcessing:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
outDataSize = sizeof(UInt32);
outWritable = false;
return noErr;
+ #else
+ return kAudioUnitErr_InvalidProperty;
+ #endif
case kAudioUnitProperty_PresentPreset:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
@@ -716,11 +739,13 @@ public:
return noErr;
case kAudioUnitProperty_SampleRate:
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (inScope == kAudioUnitScope_Input)
{
*static_cast<Float64*>(outData) = fSampleRateForInput;
}
else
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
{
@@ -825,11 +850,13 @@ public:
if (inElement != 0)
return kAudioUnitErr_InvalidElement;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (inScope == kAudioUnitScope_Input)
{
desc->mChannelsPerFrame = DISTRHO_PLUGIN_NUM_INPUTS;
}
else
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
{
@@ -858,8 +885,7 @@ public:
*static_cast<UInt32*>(outData) = 1;
break;
case kAudioUnitScope_Input:
- // FIXME seems to be mandatory for Logic Pro
- *static_cast<UInt32*>(outData) = 1; // DISTRHO_PLUGIN_NUM_INPUTS != 0 ? 1 : 0;
+ *static_cast<UInt32*>(outData) = DISTRHO_PLUGIN_NUM_INPUTS != 0 ? 1 : 0;
break;
case kAudioUnitScope_Output:
*static_cast<UInt32*>(outData) = DISTRHO_PLUGIN_NUM_OUTPUTS != 0 ? 1 : 0;
@@ -893,9 +919,11 @@ public:
*static_cast<OSStatus*>(outData) = fPlugin.getParameterValue(fBypassParameterIndex) > 0.5f ? 1 : 0;
return noErr;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
case kAudioUnitProperty_SetRenderCallback:
std::memcpy(outData, &fInputRenderCallback, sizeof(AURenderCallbackStruct));
return noErr;
+ #endif
#if DISTRHO_PLUGIN_WANT_PROGRAMS
case kAudioUnitProperty_FactoryPresets:
@@ -916,9 +944,11 @@ public:
return noErr;
#endif
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
case kAudioUnitProperty_InPlaceProcessing:
*static_cast<UInt32*>(outData) = 1;
return noErr;
+ #endif
case kAudioUnitProperty_PresentPreset:
#if DISTRHO_PLUGIN_WANT_PROGRAMS
@@ -1069,8 +1099,10 @@ public:
return noErr;
case kAudioUnitProperty_SampleRate:
- #if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input || inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
+ #elif DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+ DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
#else
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input, inScope, kAudioUnitErr_InvalidScope);
#endif
@@ -1079,6 +1111,7 @@ public:
{
const Float64 sampleRate = *static_cast<const Float64*>(inData);
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (inScope == kAudioUnitScope_Input)
{
if (d_isNotEqual(fSampleRateForInput, sampleRate))
@@ -1097,6 +1130,7 @@ public:
}
return noErr;
}
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
@@ -1106,7 +1140,9 @@ public:
fSampleRateForOutput = sampleRate;
d_nextSampleRate = sampleRate;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (d_isEqual(fSampleRateForInput, sampleRate))
+ #endif
{
fPlugin.setSampleRate(sampleRate, true);
}
@@ -1120,8 +1156,10 @@ public:
return kAudioUnitErr_InvalidScope;
case kAudioUnitProperty_StreamFormat:
- #if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input || inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
+ #elif DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+ DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
#else
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input, inScope, kAudioUnitErr_InvalidScope);
#endif
@@ -1140,20 +1178,13 @@ public:
return kAudioUnitErr_FormatNotSupported;
if (desc->mFramesPerPacket != 1)
return kAudioUnitErr_FormatNotSupported;
-
- #if 1
- // dont allow interleaved data
if (desc->mFormatFlags != (kAudioFormatFlagsNativeFloatPacked|kAudioFormatFlagIsNonInterleaved))
- #else
- // allow interleaved data
- if ((desc->mFormatFlags & ~kAudioFormatFlagIsNonInterleaved) != kAudioFormatFlagsNativeFloatPacked)
- #endif
return kAudioUnitErr_FormatNotSupported;
-
if (desc->mChannelsPerFrame != (inScope == kAudioUnitScope_Input ? DISTRHO_PLUGIN_NUM_INPUTS
: DISTRHO_PLUGIN_NUM_OUTPUTS))
return kAudioUnitErr_FormatNotSupported;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (inScope == kAudioUnitScope_Input)
{
if (d_isNotEqual(fSampleRateForInput, desc->mSampleRate))
@@ -1170,11 +1201,9 @@ public:
notifyPropertyListeners(inProp, inScope, inElement);
notifyPropertyListeners(kAudioUnitProperty_SampleRate, inScope, inElement);
}
- #if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
- fHasWorkingAudio = true;
- #endif
return noErr;
}
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (inScope == kAudioUnitScope_Output)
@@ -1183,7 +1212,9 @@ public:
{
fSampleRateForOutput = desc->mSampleRate;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (d_isEqual(fSampleRateForInput, desc->mSampleRate))
+ #endif
{
fPlugin.setSampleRate(desc->mSampleRate, true);
}
@@ -1208,7 +1239,7 @@ public:
{
notifyPropertyListeners(inProp, inScope, inElement);
- #if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+ #if DPF_AU_NUM_BUFFERS != 0
for (uint16_t i=0; i<DPF_AU_NUM_BUFFERS; ++i)
{
delete[] static_cast<float*>(fAudioBufferList.mBuffers[i].mData);
@@ -1238,12 +1269,14 @@ public:
}
return noErr;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
case kAudioUnitProperty_SetRenderCallback:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input, inScope, kAudioUnitErr_InvalidScope);
DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
DISTRHO_SAFE_ASSERT_UINT_RETURN(inDataSize == sizeof(AURenderCallbackStruct), inDataSize, kAudioUnitErr_InvalidPropertyValue);
std::memcpy(&fInputRenderCallback, inData, sizeof(AURenderCallbackStruct));
return noErr;
+ #endif
case kAudioUnitProperty_HostCallbacks:
DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
@@ -1622,6 +1655,7 @@ public:
return kAudioUnitErr_TooManyFramesToProcess;
}
+ #if DPF_AU_NUM_BUFFERS != 0
for (uint16_t i=0; i<DPF_AU_NUM_BUFFERS; ++i)
{
if (ioData->mBuffers[i].mDataByteSize != sizeof(float) * inFramesToProcess)
@@ -1630,6 +1664,7 @@ public:
return kAudio_ParamError;
}
}
+ #endif
}
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
@@ -1644,6 +1679,7 @@ public:
constexpr float** outputs = nullptr;
#endif
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (fInputRenderCallback.inputProc != nullptr)
{
bool adjustDataByteSize, usingHostBuffer = true;
@@ -1697,10 +1733,8 @@ public:
if (usingHostBuffer)
{
- #if DISTRHO_PLUGIN_NUM_INPUTS != 0
for (uint16_t i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)
inputs[i] = static_cast<const float*>(ioData->mBuffers[i].mData);
- #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
for (uint16_t i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
@@ -1710,10 +1744,8 @@ public:
}
else
{
- #if DISTRHO_PLUGIN_NUM_INPUTS != 0
for (uint16_t i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)
inputs[i] = static_cast<const float*>(fAudioBufferList.mBuffers[i].mData);
- #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
for (uint16_t i=0; i<DISTRHO_PLUGIN_NUM_OUTPUTS; ++i)
@@ -1722,12 +1754,16 @@ public:
}
}
else
+ #endif
{
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
for (uint16_t i=0; i<DISTRHO_PLUGIN_NUM_INPUTS; ++i)
{
if (ioData->mBuffers[i].mData == nullptr)
+ {
ioData->mBuffers[i].mData = fAudioBufferList.mBuffers[i].mData;
+ std::memset(ioData->mBuffers[i].mData, 0, sizeof(float) * inFramesToProcess);
+ }
inputs[i] = static_cast<const float*>(ioData->mBuffers[i].mData);
}
@@ -1797,8 +1833,7 @@ public:
#if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
// handle case of plugin having no working audio, simulate audio-side processing
- if (! fHasWorkingAudio)
- run(nullptr, nullptr, std::max(1u, inOffsetSampleFrame), nullptr);
+ run(nullptr, nullptr, std::max(1u, inOffsetSampleFrame), nullptr);
#endif
return noErr;
@@ -1826,8 +1861,7 @@ public:
#if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
// handle case of plugin having no working audio, simulate audio-side processing
- if (! fHasWorkingAudio)
- run(nullptr, nullptr, 1, nullptr);
+ run(nullptr, nullptr, 1, nullptr);
#endif
return noErr;
@@ -1846,15 +1880,14 @@ private:
OSStatus fLastRenderError;
PropertyListeners fPropertyListeners;
RenderListeners fRenderListeners;
+ #if DISTRHO_PLUGIN_NUM_INPUTS != 0
AURenderCallbackStruct fInputRenderCallback;
Float64 fSampleRateForInput;
+ #endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
Float64 fSampleRateForOutput;
#endif
d_AudioBufferList fAudioBufferList;
- #if DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS == 0
- bool fHasWorkingAudio;
- #endif
bool fUsingRenderListeners;
// Caching
@@ -2013,10 +2046,6 @@ private:
fPlugin.setTimePosition(fTimePosition);
}
- else
- {
- d_stdout("no time");
- }
#endif
#if DISTRHO_PLUGIN_WANT_MIDI_INPUT
diff --git a/distrho/src/DistrhoPluginChecks.h b/distrho/src/DistrhoPluginChecks.h
@@ -43,25 +43,6 @@
#endif
// --------------------------------------------------------------------------------------------------------------------
-// Check that symbol macros are well defined
-
-#ifdef DISTRHO_PROPER_CPP11_SUPPORT
-
-#ifdef DISTRHO_PLUGIN_AU_TYPE
-static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_AU_TYPE)) == 5, "The macro DISTRHO_PLUGIN_AU_TYPE has incorrect length");
-#endif
-
-#ifdef DISTRHO_PLUGIN_BRAND_ID
-static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_BRAND_ID)) == 5, "The macro DISTRHO_PLUGIN_BRAND_ID has incorrect length");
-#endif
-
-#ifdef DISTRHO_PLUGIN_UNIQUE_ID
-static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_UNIQUE_ID)) == 5, "The macro DISTRHO_PLUGIN_UNIQUE_ID has incorrect length");
-#endif
-
-#endif
-
-// --------------------------------------------------------------------------------------------------------------------
// Define optional macros if not done yet
#ifndef DISTRHO_PLUGIN_HAS_UI
@@ -130,25 +111,6 @@ static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_UNIQUE_ID)) == 5, "The macro DISTR
#endif
// --------------------------------------------------------------------------------------------------------------------
-// Define DISTRHO_PLUGIN_AU_TYPE if needed
-
-#ifndef DISTRHO_PLUGIN_AU_TYPE
-# if DISTRHO_PLUGIN_IS_SYNTH
-# define DISTRHO_PLUGIN_AU_TYPE aumu /* kAudioUnitType_MusicDevice */
-# elif (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT) && DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
-# define DISTRHO_PLUGIN_AU_TYPE aumf /* kAudioUnitType_MusicEffect */
-# elif (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT) && DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS != 0
-# define DISTRHO_PLUGIN_AU_TYPE aumu /* kAudioUnitType_MusicDevice */
-# elif DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
-# define DISTRHO_PLUGIN_AU_TYPE aumi /* kAudioUnitType_MIDIProcessor */
-# elif DISTRHO_PLUGIN_NUM_INPUTS == 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
-# define DISTRHO_PLUGIN_AU_TYPE augn /* kAudioUnitType_Generator */
-# else
-# define DISTRHO_PLUGIN_AU_TYPE aufx /* kAudioUnitType_Effect */
-# endif
-#endif
-
-// --------------------------------------------------------------------------------------------------------------------
// Define DISTRHO_PLUGIN_HAS_EMBED_UI if needed
#ifndef DISTRHO_PLUGIN_HAS_EMBED_UI
@@ -248,6 +210,47 @@ static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_UNIQUE_ID)) == 5, "The macro DISTR
#endif
// --------------------------------------------------------------------------------------------------------------------
+// Define DISTRHO_PLUGIN_AU_TYPE if needed
+
+#ifndef DISTRHO_PLUGIN_AU_TYPE
+# if (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT) && DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+# define DISTRHO_PLUGIN_AU_TYPE aumf /* kAudioUnitType_MusicEffect */
+# elif (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT) && DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+# define DISTRHO_PLUGIN_AU_TYPE aumu /* kAudioUnitType_MusicDevice */
+# elif DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
+# define DISTRHO_PLUGIN_AU_TYPE aumi /* kAudioUnitType_MIDIProcessor */
+# elif DISTRHO_PLUGIN_NUM_INPUTS == 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
+# define DISTRHO_PLUGIN_AU_TYPE augn /* kAudioUnitType_Generator */
+# else
+# define DISTRHO_PLUGIN_AU_TYPE aufx /* kAudioUnitType_Effect */
+# endif
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
+// Check that symbol macros are well defined
+
+#ifdef DISTRHO_PROPER_CPP11_SUPPORT
+
+#ifdef DISTRHO_PLUGIN_AU_TYPE
+static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_AU_TYPE)) == 5, "The macro DISTRHO_PLUGIN_AU_TYPE has incorrect length");
+# if DISTRHO_PLUGIN_NUM_INPUTS == 0 || DISTRHO_PLUGIN_NUM_OUTPUTS == 0
+static constexpr const char _aut[5] = STRINGIFY(DISTRHO_PLUGIN_AU_TYPE);
+static_assert(_aut[0] != 'a' || _aut[0] != 'u' || _aut[0] != 'm' || _aut[0] != 'u',
+ "The 'aumu' type requires both audio input and output");
+# endif
+#endif
+
+#ifdef DISTRHO_PLUGIN_BRAND_ID
+static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_BRAND_ID)) == 5, "The macro DISTRHO_PLUGIN_BRAND_ID has incorrect length");
+#endif
+
+#ifdef DISTRHO_PLUGIN_UNIQUE_ID
+static_assert(sizeof(STRINGIFY(DISTRHO_PLUGIN_UNIQUE_ID)) == 5, "The macro DISTRHO_PLUGIN_UNIQUE_ID has incorrect length");
+#endif
+
+#endif
+
+// --------------------------------------------------------------------------------------------------------------------
// Prevent users from messing about with DPF internals
#ifdef DISTRHO_UI_IS_STANDALONE
