DISTRHO
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DPF
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Setup more stubs, pass early validation 

Signed-off-by: falkTX <falktx@falktx.com>
pull/452/head
falkTX 1 year ago
parent
6d669870db
commit
cff94b659c
Signed by: falkTX <falktx@falktx.com> GPG Key ID: CDBAA37ABC74FBA0
1 changed files with 243 additions and 35 deletions
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  1. +243
    -35
      distrho/src/DistrhoPluginAU.cpp

+ 243
- 35
distrho/src/DistrhoPluginAU.cpp View File

@@ -16,7 +16,12 @@

#include "DistrhoPluginInternal.hpp"

// #define CA_NO_AU_UI_FEATURES
// #define CA_BASIC_AU_FEATURES 1
#define CA_NO_AU_UI_FEATURES 1
#define CA_USE_AUDIO_PLUGIN_ONLY 1
#define TARGET_OS_MAC 1

#include <AudioUnit/AudioUnit.h>

#define TRACE d_stderr("////////--------------------------------------------------------------- %s %d", __PRETTY_FUNCTION__, __LINE__);

@@ -60,22 +65,208 @@ class PluginHolder
public:
PluginExporter fPlugin;

#if DISTRHO_PLUGIN_NUM_INPUTS+DISTRHO_PLUGIN_NUM_OUTPUTS != 0
struct BusInfo {
char name[32];
uint32_t numChannels;
bool hasPair;
bool isCV;
bool isMain;
uint32_t groupId;
};
std::vector<BusInfo> fAudioInputBuses, fAudioOutputBuses;
bool fUsingCV;
#endif

PluginHolder()
: fPlugin(this, writeMidiCallback, requestParameterValueChangeCallback, updateStateValueCallback) {}
: fPlugin(this, writeMidiCallback, requestParameterValueChangeCallback, updateStateValueCallback)
#if DISTRHO_PLUGIN_NUM_INPUTS+DISTRHO_PLUGIN_NUM_OUTPUTS != 0
, fAudioInputBuses()
, fAudioOutputBuses()
, fUsingCV(false)
#endif
{
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
fillInBusInfoDetails<true>();
#endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
fillInBusInfoDetails<false>();
#endif
#if DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
fillInBusInfoPairs();
#endif
}

virtual ~PluginHolder() {}
// virtual ~PluginHolder() {}

protected:
uint32_t getPluginBusCount(const bool isInput) noexcept
{
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
if (isInput)
return fAudioInputBuses.size();
#endif
#if DISTRHO_PLUGIN_NUM_OUTPUTS != 0
if (!isInput)
return fAudioOutputBuses.size();
#endif
return 0;
}

private:
#if DISTRHO_PLUGIN_NUM_INPUTS+DISTRHO_PLUGIN_NUM_OUTPUTS != 0
template<bool isInput>
void fillInBusInfoDetails()
{
constexpr const uint32_t numPorts = isInput ? DISTRHO_PLUGIN_NUM_INPUTS : DISTRHO_PLUGIN_NUM_OUTPUTS;
std::vector<BusInfo>& busInfos(isInput ? fAudioInputBuses : fAudioOutputBuses);

enum {
kPortTypeNull,
kPortTypeAudio,
kPortTypeSidechain,
kPortTypeCV,
kPortTypeGroup
} lastSeenPortType = kPortTypeNull;
uint32_t lastSeenGroupId = kPortGroupNone;
uint32_t nonGroupAudioId = 0;
uint32_t nonGroupSidechainId = 0x20000000;

for (uint32_t i=0; i<numPorts; ++i)
{
const AudioPortWithBusId& port(fPlugin.getAudioPort(isInput, i));

if (port.groupId != kPortGroupNone)
{
if (lastSeenPortType != kPortTypeGroup || lastSeenGroupId != port.groupId)
{
lastSeenPortType = kPortTypeGroup;
lastSeenGroupId = port.groupId;

BusInfo busInfo = {
{}, 1, false, false,
// if this is the first port, set it as main
busInfos.empty(),
// user given group id with extra safety offset
port.groupId + 0x80000000
};

const PortGroupWithId& group(fPlugin.getPortGroupById(port.groupId));

switch (port.groupId)
{
case kPortGroupStereo:
case kPortGroupMono:
if (busInfo.isMain)
{
d_strncpy(busInfo.name, isInput ? "Audio Input" : "Audio Output", 32);
break;
}
// fall-through
default:
if (group.name.isNotEmpty())
d_strncpy(busInfo.name, group.name, 32);
else
d_strncpy(busInfo.name, port.name, 32);
break;
}

busInfos.push_back(busInfo);
}
else
{
++busInfos.back().numChannels;
}
}
else if (port.hints & kAudioPortIsCV)
{
// TODO
lastSeenPortType = kPortTypeCV;
lastSeenGroupId = kPortGroupNone;
fUsingCV = true;
}
else if (port.hints & kAudioPortIsSidechain)
{
if (lastSeenPortType != kPortTypeSidechain)
{
lastSeenPortType = kPortTypeSidechain;
lastSeenGroupId = kPortGroupNone;

BusInfo busInfo = {
{}, 1, false, false,
// not main
false,
// give unique id
nonGroupSidechainId++
};

d_strncpy(busInfo.name, port.name, 32);

busInfos.push_back(busInfo);
}
else
{
++busInfos.back().numChannels;
}
}
else
{
if (lastSeenPortType != kPortTypeAudio)
{
lastSeenPortType = kPortTypeAudio;
lastSeenGroupId = kPortGroupNone;

BusInfo busInfo = {
{}, 1, false, false,
// if this is the first port, set it as main
busInfos.empty(),
// give unique id
nonGroupAudioId++
};

if (busInfo.isMain)
{
d_strncpy(busInfo.name, isInput ? "Audio Input" : "Audio Output", 32);
}
else
{
d_strncpy(busInfo.name, port.name, 32);
}

busInfos.push_back(busInfo);
}
else
{
++busInfos.back().numChannels;
}
}
}
}
#endif

#if DISTRHO_PLUGIN_NUM_INPUTS != 0 && DISTRHO_PLUGIN_NUM_OUTPUTS != 0
void fillInBusInfoPairs()
{
const size_t numSharedBuses = std::min(fAudioInputBuses.size(), fAudioOutputBuses.size());

for (size_t i=0; i<numSharedBuses; ++i)
{
if (fAudioInputBuses[i].groupId != fAudioOutputBuses[i].groupId)
break;
if (fAudioInputBuses[i].numChannels != fAudioOutputBuses[i].numChannels)
break;
if (fAudioInputBuses[i].isMain != fAudioOutputBuses[i].isMain)
break;

fAudioInputBuses[i].hasPair = fAudioOutputBuses[i].hasPair = true;
}
}
#endif

// ----------------------------------------------------------------------------------------------------------------
// DPF callbacks

#if DISTRHO_PLUGIN_WANT_MIDI_OUTPUT
#if DISTRHO_PLUGIN_WANT_MIDI_OUTPUT && 0
bool writeMidi(const MidiEvent&)
{
return true;
@@ -88,7 +279,7 @@ private:
#endif


#if DISTRHO_PLUGIN_WANT_PARAMETER_VALUE_CHANGE_REQUEST
#if DISTRHO_PLUGIN_WANT_PARAMETER_VALUE_CHANGE_REQUEST && 0
bool requestParameterValueChange(uint32_t, float)
{
return true;
@@ -100,7 +291,7 @@ private:
}
#endif

#if DISTRHO_PLUGIN_WANT_STATE
#if DISTRHO_PLUGIN_WANT_STATE && 0
bool updateState(const char*, const char*)
{
return true;
@@ -130,7 +321,8 @@ public:
}

protected:
ComponentResult Initialize() override
#if 0
OSStatus Initialize() override
{
TRACE
ComponentResult res;
@@ -145,17 +337,18 @@ protected:
void Cleanup() override
{
TRACE
PluginBase::Cleanup();
fPlugin.deactivate();
PluginBase::Cleanup();
}
#endif

ComponentResult Reset(AudioUnitScope inScope, AudioUnitElement inElement) override
OSStatus Reset(AudioUnitScope inScope, AudioUnitElement inElement) override
{
TRACE
fPlugin.deactivateIfNeeded();
setBufferSizeAndSampleRate();

const ComponentResult res = PluginBase::Reset(inScope, inElement);
const OSStatus res = PluginBase::Reset(inScope, inElement);

if (res == noErr)
fPlugin.activate();
@@ -163,17 +356,18 @@ protected:
return res;
}

ComponentResult GetPropertyInfo(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32& outDataSize,
Boolean& outWritable) override
#if 0
OSStatus GetPropertyInfo(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32& outDataSize,
Boolean& outWritable) override
{
TRACE
return PluginBase::GetPropertyInfo(inID, inScope, inElement, outDataSize, outWritable);
}

ComponentResult GetProperty(AudioUnitPropertyID inID,
OSStatus GetProperty(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void* outData) override
@@ -182,7 +376,7 @@ protected:
return PluginBase::GetProperty(inID, inScope, inElement, outData);
}

ComponentResult SetProperty(AudioUnitPropertyID inID,
OSStatus SetProperty(AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
const void* inData,
@@ -192,7 +386,7 @@ protected:
return PluginBase::SetProperty(inID, inScope, inElement, inData, inDataSize);
}

ComponentResult GetParameter(AudioUnitParameterID inID,
OSStatus GetParameter(AudioUnitParameterID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
Float32& outValue) override
@@ -202,7 +396,7 @@ protected:
// return PluginBase::GetParameter(inID, inScope, inElement, outValue);
}

ComponentResult SetParameter(AudioUnitParameterID inID,
OSStatus SetParameter(AudioUnitParameterID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
Float32 inValue,
@@ -212,6 +406,7 @@ protected:
return kAudioUnitErr_InvalidProperty;
// return PluginBase::SetParameter(inID, inScope, inElement, inValue, inBufferOffsetInFrames);
}
#endif

bool CanScheduleParameters() const override
{
@@ -219,14 +414,15 @@ protected:
return false;
}

ComponentResult Render(AudioUnitRenderActionFlags& ioActionFlags,
const AudioTimeStamp& inTimeStamp,
const UInt32 nFrames) override
OSStatus Render(AudioUnitRenderActionFlags& ioActionFlags,
const AudioTimeStamp& inTimeStamp,
const UInt32 nFrames) override
{
TRACE
return noErr;
}

#if 0
bool BusCountWritable(AudioUnitScope scope) override
{
TRACE
@@ -239,7 +435,7 @@ protected:
return noErr;
}

ComponentResult GetParameterInfo(AudioUnitScope inScope,
OSStatus GetParameterInfo(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
AudioUnitParameterInfo& outParameterInfo) override
{
@@ -247,19 +443,19 @@ protected:
return kAudioUnitErr_InvalidProperty;
}

ComponentResult SaveState(CFPropertyListRef* outData) override
OSStatus SaveState(CFPropertyListRef* outData) override
{
TRACE
return PluginBase::SaveState(outData);
}

ComponentResult RestoreState(CFPropertyListRef inData) override
OSStatus RestoreState(CFPropertyListRef inData) override
{
TRACE
return noErr;
}

ComponentResult GetParameterValueStrings(AudioUnitScope inScope,
OSStatus GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef *outStrings) override
{
@@ -267,7 +463,7 @@ protected:
return kAudioUnitErr_InvalidProperty;
}

ComponentResult GetPresets(CFArrayRef* outData) const override
OSStatus GetPresets(CFArrayRef* outData) const override
{
TRACE
return noErr;
@@ -278,6 +474,7 @@ protected:
TRACE
return noErr;
}
#endif

#if DISTRHO_PLUGIN_WANT_LATENCY
Float64 GetLatency() override
@@ -293,12 +490,18 @@ protected:
return false;
}

UInt32 SupportedNumChannels(const AUChannelInfo** outInfo) override
UInt32 SupportedNumChannels(const AUChannelInfo** const outInfo) override
{
TRACE
return 0;
static const AUChannelInfo sChannels[1] = {{ DISTRHO_PLUGIN_NUM_INPUTS, DISTRHO_PLUGIN_NUM_OUTPUTS }};

if (outInfo != nullptr)
*outInfo = sChannels;

return 1;
}

#if 0
bool ValidFormat(AudioUnitScope scope, AudioUnitElement element, const CAStreamBasicDescription& format) override
{
TRACE
@@ -311,19 +514,21 @@ protected:
return noErr;
}

ComponentResult StartNote(MusicDeviceInstrumentID, MusicDeviceGroupID, NoteInstanceID*, UInt32, const MusicDeviceNoteParams&) override
OSStatus StartNote(MusicDeviceInstrumentID, MusicDeviceGroupID, NoteInstanceID*, UInt32, const MusicDeviceNoteParams&) override
{
TRACE
return noErr;
}

ComponentResult StopNote(MusicDeviceGroupID, NoteInstanceID, UInt32) override
OSStatus StopNote(MusicDeviceGroupID, NoteInstanceID, UInt32) override
{
TRACE
return noErr;
}

UInt32 GetChannelLayoutTags(AudioUnitScope scope, AudioUnitElement element, AudioChannelLayoutTag* outLayoutTags) override
UInt32 GetChannelLayoutTags(const AudioUnitScope scope,
const AudioUnitElement element,
AudioChannelLayoutTag* const outLayoutTags) override
{
TRACE
return 0;
@@ -341,6 +546,7 @@ protected:
TRACE
return noErr;
}
#endif

private:
double getSampleRate()
@@ -390,7 +596,9 @@ END_NAMESPACE_DISTRHO

#include "au/AUBase.cpp"
#include "au/AUBuffer.cpp"
#if !CA_USE_AUDIO_PLUGIN_ONLY
#include "au/AUDispatch.cpp"
#endif
#include "au/AUInputElement.cpp"
#include "au/AUMIDIBase.cpp"
#include "au/AUOutputBase.cpp"
@@ -438,9 +646,9 @@ void* PluginAUFactory(const AudioComponentDescription* const inDesc)
{
TRACE
if (d_nextBufferSize == 0)
d_nextBufferSize = 512;
if (d_nextSampleRate == 0)
d_nextSampleRate = 44100;
d_nextBufferSize = kAUDefaultMaxFramesPerSlice;
if (d_isZero(d_nextSampleRate))
d_nextSampleRate = kAUDefaultSampleRate;

return PluginBaseFactory<PluginAU>::Factory(inDesc);
}


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