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/*
* DISTRHO Plugin Framework (DPF)
* Copyright (C) 2012-2019 Filipe Coelho <falktx@falktx.com>
*
* Permission to use, copy, modify, and/or distribute this software for any purpose with
* or without fee is hereby granted, provided that the above copyright notice and this
* permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "DistrhoPluginInternal.hpp"
#include "CoreAudio106/AudioUnits/AUPublic/OtherBases/AUEffectBase.h"
// -----------------------------------------------------------------------
START_NAMESPACE_DISTRHO
// #if ! DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
static const writeMidiFunc writeMidiCallback = nullptr;
// #endif
// -----------------------------------------------------------------------
// AU Plugin
class PluginAU : public AUEffectBase
{
public:
PluginAU(AudioUnit component)
: AUEffectBase(component),
fPlugin(this, writeMidiCallback)
{
CreateElements();
AUElement* const globals = Globals();
DISTRHO_SAFE_ASSERT_RETURN(globals != nullptr,);
if (const uint32_t paramCount = fPlugin.getParameterCount())
{
globals->UseIndexedParameters(paramCount);
for (uint32_t i=0; i < paramCount; ++i)
globals->SetParameter(i, fPlugin.getParameterValue(i));
}
}
~PluginAU() override
{
}
AUKernelBase* NewKernel() override
{
return new PluginKernel(this, fPlugin);
}
OSStatus GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef* outStrings) override
{
// TODO scalepoints support via kAudioUnitParameterFlag_ValuesHaveStrings
return kAudioUnitErr_InvalidProperty;
}
OSStatus GetParameterInfo(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
AudioUnitParameterInfo& outParameterInfo) override
{
DISTRHO_SAFE_ASSERT_RETURN(inScope == kAudioUnitScope_Global, kAudioUnitErr_InvalidParameter);
// Name
{
// FIXME
// const String& name = fPlugin.getParameterUnit(inParameterID);
// AUBase::FillInParameterName(outParameterInfo, name.buffer(), true);
}
// Hints
{
const uint32_t hints(fPlugin.getParameterHints(inParameterID));
outParameterInfo.flags = 0x0;
// other interesting bits:
// kAudioUnitParameterFlag_OmitFromPresets for outputs?
// kAudioUnitParameterFlag_MeterReadOnly for outputs?
// kAudioUnitParameterFlag_CanRamp for log?
// kAudioUnitParameterFlag_IsHighResolution ??
if (hints & kParameterIsOutput)
outParameterInfo.flags = kAudioUnitParameterFlag_IsReadable;
else
outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable;
if ((hints & kParameterIsAutomable) == 0x0)
outParameterInfo.flags |= kAudioUnitParameterFlag_NonRealTime;
/* TODO: there doesn't seem to be a hint for this
if (hints & kParameterIsBoolean)
{}
else if (hints & kParameterIsInteger)
{}
*/
if (hints & kParameterIsLogarithmic)
outParameterInfo.flags |= kAudioUnitParameterFlag_DisplayLogarithmic;
}
// Ranges
{
const ParameterRanges& ranges(fPlugin.getParameterRanges(inParameterID));
outParameterInfo.defaultValue = ranges.def;
outParameterInfo.minValue = ranges.min;
outParameterInfo.maxValue = ranges.max;
}
// Unit
{
const String& unit = fPlugin.getParameterUnit(inParameterID);
// TODO: map all AU unit types
if (unit == "dB")
{
outParameterInfo.unit = kAudioUnitParameterUnit_LinearGain;
}
else
{
// FIXME
// outParameterInfo.unit = kAudioUnitParameterUnit_CustomUnit;
// outParameterInfo.unitName = unit.buffer();
}
}
return noErr;
}
OSStatus GetPropertyInfo(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32& outDataSize,
Boolean& outWritable) override
{
return AUEffectBase::GetPropertyInfo(inID, inScope, inElement, outDataSize, outWritable);
}
OSStatus GetProperty(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void* outData) override
{
return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
}
bool SupportsTail() override
{
return false;
}
OSStatus Version() override
{
return fPlugin.getVersion();
}
// -------------------------------------------------------------------
private:
PluginExporter fPlugin;
// most of the real work happens here
class PluginKernel : public AUKernelBase
{
public:
PluginKernel(AUEffectBase* const inAudioUnit, PluginExporter& plugin)
: AUKernelBase(inAudioUnit),
fPlugin(plugin) {}
// *Required* overides for the process method for this effect
// processes one channel of interleaved samples
void Process(const Float32* const inSourceP,
Float32* const inDestP,
UInt32 inFramesToProcess,
UInt32 inNumChannels,
bool& ioSilence)
{
DISTRHO_SAFE_ASSERT_RETURN(inNumChannels == DISTRHO_PLUGIN_NUM_INPUTS,);
// FIXME
// fPlugin.run(inSourceP, inDestP, inFramesToProcess);
}
void Reset() override
{
}
private:
PluginExporter& fPlugin;
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PluginKernel)
};
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PluginAU)
};
END_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
using dpfplug = DISTRHO_NAMESPACE::PluginAU;
COMPONENT_ENTRY(dpfplug)
// -----------------------------------------------------------------------
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/AUBase.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/AUDispatch.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/AUInputElement.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/AUOutputElement.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/AUScopeElement.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/AUBase/ComponentBase.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp"
#include "CoreAudio106/AudioUnits/AUPublic/Utility/AUBuffer.cpp"
#include "CoreAudio106/PublicUtility/CAAudioChannelLayout.cpp"
#include "CoreAudio106/PublicUtility/CAAUParameter.cpp"
#include "CoreAudio106/PublicUtility/CAMutex.cpp"
#include "CoreAudio106/PublicUtility/CAStreamBasicDescription.cpp"
#include "CoreAudio106/PublicUtility/CAVectorUnit.cpp"
// -----------------------------------------------------------------------
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