mirror/JUCE
1
0
Fork 0
mirror of https://github.com/juce-framework/JUCE.git synced 2026-01-24 01:54:22 +00:00
Code Activity

AUv3: Added support for MIDI output, host MIDI controller visibility and MPE

Browse source
This commit is contained in:
tpoole 2017-07-28 08:57:38 +01:00
parent 1089f3837c
commit 621fcf31d2
5 changed files with 167 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

7
examples/audio plugin demo/Source/PluginEditor.cpp
View file

@ -101,7 +101,7 @@ JuceDemoPluginAudioProcessorEditor::JuceDemoPluginAudioProcessorEditor (JuceDemo
timecodeDisplayLabel.setFont (Font (Font::getDefaultMonospacedFontName(), 15.0f, Font::plain));
// set resize limits for this plug-in
setResizeLimits (400, 200, 800, 300);
setResizeLimits (400, 200, 1024, 700);
// set our component's initial size to be the last one that was stored in the filter's settings
setSize (owner.lastUIWidth,
@ -146,6 +146,11 @@ void JuceDemoPluginAudioProcessorEditor::timerCallback()
updateTimecodeDisplay (getProcessor().lastPosInfo);
}
void JuceDemoPluginAudioProcessorEditor::hostMIDIControllerIsAvailable (bool controllerIsAvailable)
{
midiKeyboard.setVisible (! controllerIsAvailable);
}
//==============================================================================
// quick-and-dirty function to format a timecode string
static String timeToTimecodeString (double seconds)

1
examples/audio plugin demo/Source/PluginEditor.h
View file

@ -44,6 +44,7 @@ public:
void paint (Graphics&) override;
void resized() override;
void timerCallback() override;
void hostMIDIControllerIsAvailable (bool) override;
private:
class ParameterSlider;

161
modules/juce_audio_plugin_client/AU/juce_AUv3_Wrapper.mm
View file

@ -37,12 +37,20 @@
#if (! defined MAC_OS_X_VERSION_MIN_REQUIRED) || (! defined MAC_OS_X_VERSION_10_11) || (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_11)
#error AUv3 needs Deployment Target OS X 10.11 or higher to compile
#endif
#if (defined MAC_OS_X_VERSION_10_13) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_13)
#define JUCE_AUV3_MIDI_OUTPUT_SUPPORTED 1
#define JUCE_AUV3_VIEW_CONFIG_SUPPORTED 1
#endif
#endif
#if JUCE_IOS
#if (! defined __IPHONE_OS_VERSION_MIN_REQUIRED) || (! defined __IPHONE_9_0) || (__IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0)
#error AUv3 needs Deployment Target iOS 9.0 or higher to compile
#endif
#if (defined __IPHONE_11_0) && (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_11_0)
#define JUCE_AUV3_MIDI_OUTPUT_SUPPORTED 1
#define JUCE_AUV3_VIEW_CONFIG_SUPPORTED 1
#endif
#endif
#ifndef __OBJC2__
@ -97,6 +105,15 @@ struct AudioProcessorHolder : public ReferenceCountedObject
AudioProcessor* operator->() noexcept { return processor; }
AudioProcessor* get() noexcept { return processor; }
struct ViewConfig
{
double width;
double height;
bool hostHasMIDIController;
};
ScopedPointer<ViewConfig> viewConfiguration;
typedef ReferenceCountedObjectPtr<AudioProcessorHolder> Ptr;
private:
@ -155,7 +172,7 @@ public:
virtual AUParameterTree* getParameterTree() = 0;
virtual AUInternalRenderBlock getInternalRenderBlock() = 0;
virtual void setRenderingOffline (bool offline) = 0;
virtual NSArray<NSNumber*> *getChannelCapabilities() = 0;
virtual NSArray<NSNumber*>* getChannelCapabilities() = 0;
//==============================================================================
virtual NSArray<NSNumber*>* parametersForOverviewWithCount (int)
@ -192,6 +209,14 @@ public:
ObjCMsgSendSuper<void> (&s, @selector (deallocateRenderResources));
}
virtual bool getSupportsMPE() = 0;
virtual NSArray<NSString*>* getMIDIOutputNames() = 0;
#if JUCE_AUV3_VIEW_CONFIG_SUPPORTED
virtual NSIndexSet* getSupportedViewConfigurations (NSArray<AUAudioUnitViewConfiguration*>*) = 0;
virtual void selectViewConfiguration (AUAudioUnitViewConfiguration*) = 0;
#endif
private:
struct Class : public ObjCClass<AUAudioUnit>
{
@ -230,13 +255,22 @@ private:
addMethod (@selector (parametersForOverviewWithCount:), parametersForOverviewWithCount, "@@:", @encode (NSInteger));
addMethod (@selector (setRenderingOffline:), setRenderingOffline, "v@:", @encode (BOOL));
addMethod (@selector (internalRenderBlock), getInternalRenderBlock, @encode (AUInternalRenderBlock), "@:");
addMethod (@selector (virtualMIDICableCount), getVirtualMIDICableCount, @encode (NSInteger), "@:");
addMethod (@selector (latency), getLatency, @encode (NSTimeInterval), "@:");
addMethod (@selector (tailTime), getTailTime, @encode (NSTimeInterval), "@:");
addMethod (@selector (canProcessInPlace), getCanProcessInPlace, @encode (BOOL), "@:");
addMethod (@selector (isRenderingOffline), getRenderingOffline, @encode (BOOL), "@:");
addMethod (@selector (supportsMPE), getSupportsMPE, @encode (BOOL), "@:");
#if JUCE_AUV3_VIEW_CONFIG_SUPPORTED
addMethod (@selector (supportedViewConfigurations:), getSupportedViewConfigurations, "@@:@");
addMethod (@selector (selectViewConfiguration:), selectViewConfiguration, "v@:@");
#endif
#if JUCE_AUV3_MIDI_OUTPUT_SUPPORTED
addMethod (@selector (MIDIOutputNames), getMIDIOutputNames, "@@:");
#endif
registerClass();
}
@ -273,28 +307,34 @@ private:
return self;
}
static void dealloc (id self, SEL) { delete _this (self); }
static AUAudioUnitBusArray* getInputBusses (id self, SEL) { return _this (self)->getInputBusses(); }
static AUAudioUnitBusArray* getOutputBusses (id self, SEL) { return _this (self)->getOutputBusses(); }
static AUParameterTree* getParameterTree (id self, SEL) { return _this (self)->getParameterTree(); }
static AUInternalRenderBlock getInternalRenderBlock (id self, SEL) { return _this (self)->getInternalRenderBlock(); }
static BOOL allocateRenderResourcesAndReturnError (id self, SEL, NSError** error) { return _this (self)->allocateRenderResourcesAndReturnError (error) ? YES : NO; }
static void deallocateRenderResources (id self, SEL) { _this (self)->deallocateRenderResources(); }
static void reset (id self, SEL) { _this (self)->reset(); }
static NSInteger getVirtualMIDICableCount (id self, SEL) { return _this (self)->getVirtualMIDICableCount(); }
static BOOL shouldChangeToFormat (id self, SEL, AVAudioFormat* format, AUAudioUnitBus* bus) { return _this (self)->shouldChangeToFormat (format, bus) ? YES : NO; }
static NSArray<NSNumber*>* parametersForOverviewWithCount (id self, SEL, NSInteger count) { return _this (self)->parametersForOverviewWithCount (static_cast<int> (count)); }
static NSArray<AUAudioUnitPreset*>* getFactoryPresets (id self, SEL) { return _this (self)->getFactoryPresets(); }
static AUAudioUnitPreset* getCurrentPreset (id self, SEL) { return _this (self)->getCurrentPreset(); }
static void setCurrentPreset (id self, SEL, AUAudioUnitPreset* preset) { return _this (self)->setCurrentPreset (preset); }
static NSDictionary<NSString*, id>* getFullState (id self, SEL) { return _this (self)->getFullState(); }
static void setFullState (id self, SEL, NSDictionary<NSString *, id>* state) { return _this (self)->setFullState (state); }
static NSTimeInterval getLatency (id self, SEL) { return _this (self)->getLatency(); }
static NSTimeInterval getTailTime (id self, SEL) { return _this (self)->getTailTime(); }
static BOOL getCanProcessInPlace (id self, SEL) { return _this (self)->getCanProcessInPlace() ? YES : NO; }
static BOOL getRenderingOffline (id self, SEL) { return _this (self)->getRenderingOffline() ? YES : NO; }
static void setRenderingOffline (id self, SEL, BOOL renderingOffline) { _this (self)->setRenderingOffline (renderingOffline); }
static NSArray<NSNumber*>* getChannelCapabilities (id self, SEL) { return _this (self)->getChannelCapabilities(); }
static void dealloc (id self, SEL) { delete _this (self); }
static AUAudioUnitBusArray* getInputBusses (id self, SEL) { return _this (self)->getInputBusses(); }
static AUAudioUnitBusArray* getOutputBusses (id self, SEL) { return _this (self)->getOutputBusses(); }
static AUParameterTree* getParameterTree (id self, SEL) { return _this (self)->getParameterTree(); }
static AUInternalRenderBlock getInternalRenderBlock (id self, SEL) { return _this (self)->getInternalRenderBlock(); }
static BOOL allocateRenderResourcesAndReturnError (id self, SEL, NSError** error) { return _this (self)->allocateRenderResourcesAndReturnError (error) ? YES : NO; }
static void deallocateRenderResources (id self, SEL) { _this (self)->deallocateRenderResources(); }
static void reset (id self, SEL) { _this (self)->reset(); }
static NSInteger getVirtualMIDICableCount (id self, SEL) { return _this (self)->getVirtualMIDICableCount(); }
static BOOL shouldChangeToFormat (id self, SEL, AVAudioFormat* format, AUAudioUnitBus* bus) { return _this (self)->shouldChangeToFormat (format, bus) ? YES : NO; }
static NSArray<NSNumber*>* parametersForOverviewWithCount (id self, SEL, NSInteger count) { return _this (self)->parametersForOverviewWithCount (static_cast<int> (count)); }
static NSArray<AUAudioUnitPreset*>* getFactoryPresets (id self, SEL) { return _this (self)->getFactoryPresets(); }
static AUAudioUnitPreset* getCurrentPreset (id self, SEL) { return _this (self)->getCurrentPreset(); }
static void setCurrentPreset (id self, SEL, AUAudioUnitPreset* preset) { return _this (self)->setCurrentPreset (preset); }
static NSDictionary<NSString*, id>* getFullState (id self, SEL) { return _this (self)->getFullState(); }
static void setFullState (id self, SEL, NSDictionary<NSString *, id>* state) { return _this (self)->setFullState (state); }
static NSTimeInterval getLatency (id self, SEL) { return _this (self)->getLatency(); }
static NSTimeInterval getTailTime (id self, SEL) { return _this (self)->getTailTime(); }
static BOOL getCanProcessInPlace (id self, SEL) { return _this (self)->getCanProcessInPlace() ? YES : NO; }
static BOOL getRenderingOffline (id self, SEL) { return _this (self)->getRenderingOffline() ? YES : NO; }
static void setRenderingOffline (id self, SEL, BOOL renderingOffline) { _this (self)->setRenderingOffline (renderingOffline); }
static NSArray<NSNumber*>* getChannelCapabilities (id self, SEL) { return _this (self)->getChannelCapabilities(); }
static BOOL getSupportsMPE (id self, SEL) { return _this (self)->getSupportsMPE() ? YES : NO; }
static NSArray<NSString*>* getMIDIOutputNames (id self, SEL) { return _this (self)->getMIDIOutputNames(); }
#if JUCE_AUV3_VIEW_CONFIG_SUPPORTED
static NSIndexSet* getSupportedViewConfigurations (id self, SEL, NSArray<AUAudioUnitViewConfiguration*>* configs) { return _this (self)->getSupportedViewConfigurations (configs); }
static void selectViewConfiguration (id self, SEL, AUAudioUnitViewConfiguration* config) { _this (self)->selectViewConfiguration (config); }
#endif
};
static JuceAudioUnitv3Base* create (AUAudioUnit*, AudioComponentDescription, AudioComponentInstantiationOptions, NSError**);
@ -647,6 +687,60 @@ public:
lastTimeStamp.mSampleTime = std::numeric_limits<Float64>::max();
}
//==============================================================================
#if JUCE_AUV3_VIEW_CONFIG_SUPPORTED
NSIndexSet* getSupportedViewConfigurations (NSArray<AUAudioUnitViewConfiguration*>* configs) override
{
auto supportedViewIndecies = [[NSMutableIndexSet alloc] init];
auto n = [configs count];
if (auto* editor = getAudioProcessor().createEditorIfNeeded())
{
// If you hit this assertion then your plug-in's editor is reporting that it doesn't support
// any host MIDI controller configurations!
jassert (editor->supportsHostMIDIControllerPresence (true) || editor->supportsHostMIDIControllerPresence (false));
for (auto i = 0u; i < n; ++i)
{
if (auto* viewConfiguration = [configs objectAtIndex:i])
{
if (editor->supportsHostMIDIControllerPresence ([viewConfiguration hostHasController] == YES))
{
auto* constrainer = editor->getConstrainer();
auto height = (int) [viewConfiguration height];
auto width = (int) [viewConfiguration width];
if (height <= constrainer->getMaximumHeight() && height >= constrainer->getMinimumHeight()
&& width <= constrainer->getMaximumWidth() && width >= constrainer->getMinimumWidth())
[supportedViewIndecies addIndex: i];
}
}
}
}
return [supportedViewIndecies autorelease];
}
void selectViewConfiguration (AUAudioUnitViewConfiguration* config) override
{
processorHolder->viewConfiguration = new AudioProcessorHolder::ViewConfig { [config width], [config height], [config hostHasController] == YES };
}
#endif
bool getSupportsMPE() override
{
return getAudioProcessor().supportsMPE();
}
NSArray<NSString*>* getMIDIOutputNames() override
{
#if JucePlugin_ProducesMidiOutput
return @[@"MIDI Out"];
#else
return @[];
#endif
}
//==============================================================================
bool shouldChangeToFormat (AVAudioFormat* format, AUAudioUnitBus* auBus) override
{
@ -1175,6 +1269,17 @@ private:
// process audio
processBlock (audioBuffer.getBuffer (frameCount), midiMessages);
// send MIDI
#if JucePlugin_ProducesMidiOutput && JUCE_AUV3_MIDI_OUTPUT_SUPPORTED
auto midiOut = [au MIDIOutputEventBlock];
MidiMessage msg;
int samplePosition;
for (MidiBuffer::Iterator it (midiMessages); it.getNextEvent (msg, samplePosition);)
midiOut (samplePosition, 0, msg.getRawDataSize(), msg.getRawData());
#endif
midiMessages.clear();
}
@ -1288,8 +1393,8 @@ private:
AUParameterObserverToken editorObserverToken;
ScopedPointer<AUParameterTree> paramTree;
ScopedPointer<NSMutableArray<NSNumber*> > overviewParams;
ScopedPointer<NSMutableArray<NSNumber*> > channelCapabilities;
ScopedPointer<NSMutableArray<NSNumber*>> overviewParams;
ScopedPointer<NSMutableArray<NSNumber*>> channelCapabilities;
ScopedPointer<NSMutableArray<AUAudioUnitPreset*> > factoryPresets;
@ -1320,7 +1425,6 @@ JuceAudioUnitv3Base* JuceAudioUnitv3Base::create (AUAudioUnit* audioUnit, AudioC
class JuceAUViewController
{
public:
JuceAUViewController (AUViewController<AUAudioUnitFactory>* p)
: myself (p), processorHolder (nullptr), preferredSize (1.0f, 1.0f)
{
@ -1370,6 +1474,9 @@ public:
{
if (AudioProcessorEditor* editor = getAudioProcessor().getActiveEditor())
{
if (processorHolder->viewConfiguration != nullptr)
editor->hostMIDIControllerIsAvailable (processorHolder->viewConfiguration->hostHasMIDIController);
editor->setBounds (convertToRectInt ([[myself view] bounds]));
if (JUCE_IOS_MAC_VIEW* peerView = [[[myself view] subviews] objectAtIndex: 0])

5
modules/juce_audio_processors/processors/juce_AudioProcessorEditor.cpp
View file

@ -47,7 +47,10 @@ AudioProcessorEditor::~AudioProcessorEditor()
}
void AudioProcessorEditor::setControlHighlight (ParameterControlHighlightInfo) {}
int AudioProcessorEditor::getControlParameterIndex (Component&) { return -1; }
int AudioProcessorEditor::getControlParameterIndex (Component&) { return -1; }
bool AudioProcessorEditor::supportsHostMIDIControllerPresence (bool) { return true; }
void AudioProcessorEditor::hostMIDIControllerIsAvailable (bool) {}
void AudioProcessorEditor::initialise()
{

22
modules/juce_audio_processors/processors/juce_AudioProcessorEditor.h
View file

@ -85,6 +85,28 @@ public:
*/
virtual int getControlParameterIndex (Component&);
/** Override this method to indicate if your editor supports the presence or
absence of a host-provided MIDI controller.
Currently only AUv3 plug-ins compiled for MacOS 10.13 or iOS 11.0 (or later)
support this functionality, and even then the host may choose to ignore this
information.
The default behaviour is to report support for both cases.
*/
virtual bool supportsHostMIDIControllerPresence (bool hostMIDIControllerIsAvailable);
/** Called to indicate if a host is providing a MIDI controller when the host
reconfigures its layout.
Use this as an opportunity to hide or display your own onscreen keyboard or
other input component.
Currently only AUv3 plug-ins compiled for MacOS 10.13 or iOS 11.0 (or later)
support this functionality.
*/
virtual void hostMIDIControllerIsAvailable (bool controllerIsAvailable);
/** Can be called by a host to tell the editor that it should use a non-unity
GUI scale.
*/