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/*
==============================================================================
This file is part of the IEM plug-in suite.
Author: Daniel Rudrich
Copyright (c) 2019 - Institute of Electronic Music and Acoustics (IEM)
https://iem.at
The IEM plug-in suite is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The IEM plug-in suite is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this software. If not, see <https://www.gnu.org/licenses/>.
==============================================================================
*/
#pragma once
#include <JuceHeader.h>
#include "IOHelper.h"
#include "OSC/OSCInputStream.h"
#include "OSC/OSCParameterInterface.h"
typedef std::vector<std::unique_ptr<juce::RangedAudioParameter>> ParameterList;
template <class inputType, class outputType, bool combined = false>
class AudioProcessorBase : public juce::AudioProcessor,
public OSCMessageInterceptor,
public juce::VST2ClientExtensions,
public IOHelper<inputType, outputType, combined>,
public juce::AudioProcessorValueTreeState::Listener
{
public:
AudioProcessorBase() :
AudioProcessor(),
oscParameterInterface (*this, parameters),
parameters (*this, nullptr, juce::String (JucePlugin_Name), {})
{
}
AudioProcessorBase (ParameterList parameterLayout) :
AudioProcessor(),
parameters (*this,
nullptr,
juce::String (JucePlugin_Name),
{ parameterLayout.begin(), parameterLayout.end() }),
oscParameterInterface (*this, parameters)
{
}
AudioProcessorBase (const BusesProperties& ioLayouts, ParameterList parameterLayout) :
AudioProcessor (ioLayouts),
parameters (*this,
nullptr,
juce::String (JucePlugin_Name),
{ parameterLayout.begin(), parameterLayout.end() }),
oscParameterInterface (*this, parameters)
{
}
~AudioProcessorBase() override {}
VST2ClientExtensions* getVST2ClientExtensions() override { return this; }
//======== AudioProcessor stuff =======================================================
#ifndef JucePlugin_PreferredChannelConfigurations
bool isBusesLayoutSupported (const BusesLayout& layouts) const override
{
ignoreUnused (layouts);
return true;
}
#endif
const juce::String getName() const override { return JucePlugin_Name; }
bool acceptsMidi() const override
{
#if JucePlugin_WantsMidiInput
return true;
#else
return false;
#endif
}
bool producesMidi() const override
{
#if JucePlugin_ProducesMidiOutput
return true;
#else
return false;
#endif
}
double getTailLengthSeconds() const override { return 0.0; }
//======== VSTCallbackHandler =======================================================
juce::pointer_sized_int handleVstManufacturerSpecific (juce::int32 index,
juce::pointer_sized_int value,
void* ptr,
float opt) override
{
juce::ignoreUnused (opt);
//0x69656D is hex code for `iem` in ASCII
if (index == 0x0069656D) // prefix 00 chooses OSC message
{
try
{
size_t size = static_cast<size_t> (value); // let's make this the data size
MyOSCInputStream inputStream (ptr, size);
auto inMessage = inputStream.readMessage();
oscParameterInterface.oscMessageReceived (inMessage);
return 1;
}
catch (const juce::OSCFormatError&)
{
return -1;
}
}
return 0;
}
juce::pointer_sized_int handleVstPluginCanDo (juce::int32 index,
juce::pointer_sized_int value,
void* ptr,
float opt) override
{
juce::ignoreUnused (index, value, opt);
auto text = (const char*) ptr;
auto matches = [=] (const char* s) { return strcmp (text, s) == 0; };
if (matches ("wantsChannelCountNotifications"))
return 1;
if (matches ("hasIEMExtensions"))
return 1;
return 0;
}
//==============================================================================
OSCParameterInterface& getOSCParameterInterface() { return oscParameterInterface; }
//==============================================================================
juce::AudioProcessorValueTreeState parameters;
OSCParameterInterface oscParameterInterface;
private:
bool shouldOpenNewPort = false;
int newPortNumber = -1;
};
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