MemaProcessor.h

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/* Copyright (c) 2024, Christian Ahrens
 *
 * This file is part of Mema <https://github.com/ChristianAhrens/Mema>
 *
 * This tool is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 3.0 as published
 * by the Free Software Foundation.
 *
 * This tool 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this tool; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#pragma once
 
#include <JuceHeader.h>
 
#include "MemaMessages.h"
#include "ProcessorDataAnalyzer.h"
#include "MemaPluginParameterInfo.h"
#include "../MemaProcessorEditor/MemaProcessorEditor.h"
#include "../MemaAppConfiguration.h"
 
#include <ServiceTopologyManager.h>
 
 
namespace Mema
{
 
class InterprocessConnectionImpl;
class InterprocessConnectionServerImpl;
class MemaChannelCommander;
class MemaInputCommander;
class MemaOutputCommander;
class MemaCrosspointCommander;
class MemaPluginCommander;
class MemaNetworkClientCommanderWrapper;
 
 
//==============================================================================
class ResizeableWindowWithTitleBarAndCloseCallback : public juce::ResizableWindow
{
public:
    ResizeableWindowWithTitleBarAndCloseCallback() : juce::ResizableWindow("", false) {};
    ResizeableWindowWithTitleBarAndCloseCallback(const String& name, bool addToDesktop) : juce::ResizableWindow(name, addToDesktop) {};
    ~ResizeableWindowWithTitleBarAndCloseCallback() { if (onClosed) onClosed(); };
 
    //==============================================================================
    int getDesktopWindowStyleFlags() const override
    {
        int styleFlags = juce::ComponentPeer::windowAppearsOnTaskbar
            | juce::ComponentPeer::windowHasDropShadow
            | juce::ComponentPeer::windowHasTitleBar
            | juce::ComponentPeer::windowHasCloseButton;
 
        return styleFlags;
    }
 
    void userTriedToCloseWindow() override
    {
        if (onClosed)
            onClosed();
    };
 
    //==============================================================================
    std::function<void()> onClosed; 
};
 
//==============================================================================
class PluginParameterInfosChangedMessage : public juce::Message
{
public:
    PluginParameterInfosChangedMessage() = default;
    virtual ~PluginParameterInfosChangedMessage() = default;
};
 
class MemaProcessor : public juce::AudioProcessor,
    public juce::AudioIODeviceCallback,
    public juce::MessageListener,
    public juce::ChangeListener,
    public juce::AudioProcessorParameter::Listener,
    public MemaAppConfiguration::XmlConfigurableElement
{
public:
    MemaProcessor(XmlElement* stateXml);
    ~MemaProcessor();
 
    //==============================================================================
    void addInputListener(ProcessorDataAnalyzer::Listener* listener);
    void removeInputListener(ProcessorDataAnalyzer::Listener* listener);
    void addOutputListener(ProcessorDataAnalyzer::Listener* listener);
    void removeOutputListener(ProcessorDataAnalyzer::Listener* listener);
 
    //==============================================================================
    void addInputCommander(MemaInputCommander* commander);
    void initializeInputCommander(MemaInputCommander* commander);
    void removeInputCommander(MemaInputCommander* commander);
 
    void addOutputCommander(MemaOutputCommander* commander);
    void initializeOutputCommander(MemaOutputCommander* commander);
    void removeOutputCommander(MemaOutputCommander* comander);
 
    void addCrosspointCommander(MemaCrosspointCommander* commander);
    void initializeCrosspointCommander(MemaCrosspointCommander* commander);
    void removeCrosspointCommander(MemaCrosspointCommander* comander);
 
    void addPluginCommander(MemaPluginCommander* commander);
    void initializePluginCommander(MemaPluginCommander* commander);
    void removePluginCommander(MemaPluginCommander* commander);
 
    void updateCommanders();
 
    //==============================================================================
    bool getInputMuteState(std::uint16_t channelNumber);
    void setInputMuteState(std::uint16_t channelNumber, bool muted, MemaChannelCommander* sender = nullptr, int userId = -1);
 
    bool getMatrixCrosspointEnabledValue(std::uint16_t inputNumber, std::uint16_t outputNumber);
    void setMatrixCrosspointEnabledValue(std::uint16_t inputNumber, std::uint16_t outputNumber, bool enabled, MemaChannelCommander* sender = nullptr, int userId = -1);
 
    float getMatrixCrosspointFactorValue(std::uint16_t inputNumber, std::uint16_t outputNumber);
    void setMatrixCrosspointFactorValue(std::uint16_t inputNumber, std::uint16_t outputNumber, float factor, MemaChannelCommander* sender = nullptr, int userId = -1);
 
    float getPluginParameterValue(std::uint16_t pluginParameterIndex) const;
    void setPluginParameterValue(std::uint16_t pluginParameterIndex, std::string id, float normalizedValue, MemaPluginCommander* sender = nullptr, int userId = -1);
 
    bool getOutputMuteState(std::uint16_t channelNumber);
    void setOutputMuteState(std::uint16_t channelNumber, bool muted, MemaChannelCommander* sender = nullptr, int userId = -1);
 
    void setChannelCounts(std::uint16_t inputChannelCount, std::uint16_t outputChannelCount);
 
    //==============================================================================
    bool setPlugin(const juce::PluginDescription& pluginDescription);
    juce::PluginDescription getPluginDescription();
    void setPluginEnabledState(bool enabled);
    bool isPluginEnabled();
    void setPluginPrePostState(bool post);
    bool isPluginPost();
    void clearPlugin();
    void openPluginEditor();
    void closePluginEditor(bool deleteEditorWindow = true);
    std::function<void(const juce::PluginDescription&)> onPluginSet; 
    // Parameter management
    std::vector<PluginParameterInfo>& getPluginParameterInfos();
    void setPluginParameterRemoteControlInfos(int pluginParameterIndex, bool remoteControllable, ParameterControlType type, int steps);
    void setPluginParameterDisplayOrder(const std::vector<int>& order);
    const std::vector<int>& getPluginParameterDisplayOrder() const;
    bool isPluginParameterRemoteControllable(int parameterIndex);
    juce::AudioProcessorParameter* getPluginParameter(int parameterIndex) const;
    std::function<void(int pluginParameterIndex, float newValue)> onPluginParameterChanged; 
    std::function<void()> onPluginParameterInfosChanged; 
    std::function<void(bool enabled, bool post)> onPluginProcessingStateChanged; 
 
    //==============================================================================
    AudioDeviceManager* getDeviceManager();
 
    //==============================================================================
    std::map<int, std::pair<double, bool>> getNetworkHealth();
 
    //==============================================================================
    JUCEAppBasics::SessionServiceTopology getDiscoveredServicesTopology();
 
    //==============================================================================
    const String getName() const override;
    void prepareToPlay(double sampleRate, int maximumExpectedSamplesPerBlock) override;
    void releaseResources() override;
    void processBlock(AudioBuffer<float>& buffer, MidiBuffer& midiMessages) override;
 
    double getTailLengthSeconds() const override;
    bool acceptsMidi() const override;
    bool producesMidi() const override;
 
    AudioProcessorEditor* createEditor() override;
    bool hasEditor() const override;
 
    int getNumPrograms() override;
    int getCurrentProgram() override;
    void setCurrentProgram(int index) override;
    const String getProgramName(int index) override;
    void changeProgramName(int index, const String& newName) override;
 
    void getStateInformation(juce::MemoryBlock& destData) override;
    void setStateInformation(const void* data, int sizeInBytes) override;
 
    //==============================================================================
    void audioDeviceIOCallbackWithContext(const float* const* inputChannelData,
        int numInputChannels,
        float* const* outputChannelData,
        int numOutputChannels,
        int numSamples,
        const AudioIODeviceCallbackContext& context) override;
 
    void audioDeviceAboutToStart(AudioIODevice* device) override;
    void audioDeviceStopped() override;
 
    //==============================================================================
    void changeListenerCallback(ChangeBroadcaster* source) override;
 
    //==============================================================================
    void handleMessage(const Message& message) override;
 
    //==============================================================================
    void parameterValueChanged(int parameterIndex, float newValue) override;
    void parameterGestureChanged(int parameterIndex, bool gestureIsStarting) override;
 
    //==============================================================================
    std::unique_ptr<XmlElement> createStateXml() override;
    bool setStateXml(XmlElement* stateXml) override;
 
    //==============================================================================
    void environmentChanged();
 
    void triggerIOUpdate();
 
    //==============================================================================
    void setTrafficTypesForConnectionId(const std::vector<SerializableMessage::SerializableMessageType>& trafficTypes, int connectionId);
 
    //==============================================================================
    static constexpr int s_maxChannelCount = 64;    
    static constexpr int s_maxNumSamples = 1024;    
 
    static constexpr int s_minInputsCount = 1;      
    static constexpr int s_minOutputsCount = 1;     
 
    //==============================================================================
    bool isTimedConfigurationDumpPending() { return m_timedConfigurationDumpPending; };
    void setTimedConfigurationDumpPending() { m_timedConfigurationDumpPending = true; };
    void resetTimedConfigurationDumpPending() { m_timedConfigurationDumpPending = false; };
 
    //==============================================================================
    void initializeCtrlValuesToUnity();
 
protected:
    //==============================================================================
    void initializeCtrlValues(int inputCount, int outputCount);
    void initializeCtrlValuesToUnity(int inputCount, int outputCount);
 
private:
    //==============================================================================
    void sendMessageToClients(const MemoryBlock& messageMemoryBlock, const std::vector<int>& sendIds);
 
    //==============================================================================
    void configurePluginForCurrentPosition();
 
    //==============================================================================
    juce::String    m_Name; 
 
    //==============================================================================
    juce::CriticalSection   m_audioDeviceIOCallbackLock; 
 
    float** m_processorChannels; 
 
    //==============================================================================
    std::unique_ptr<AudioDeviceManager> m_deviceManager; 
 
    //==============================================================================
    std::unique_ptr<ProcessorDataAnalyzer>  m_inputDataAnalyzer; 
    std::unique_ptr<ProcessorDataAnalyzer>  m_outputDataAnalyzer; 
 
    //==============================================================================
    std::vector<MemaInputCommander*>    m_inputCommanders; 
    std::vector<MemaOutputCommander*>   m_outputCommanders; 
    std::vector<MemaCrosspointCommander*>   m_crosspointCommanders; 
    std::vector<MemaPluginCommander*>   m_pluginCommanders; 
 
    //==============================================================================
    std::map<std::uint16_t, bool> m_inputMuteStates; 
    std::map<std::uint16_t, bool> m_outputMuteStates; 
 
    //==============================================================================
    int m_inputChannelCount{ 1 }; 
    int m_outputChannelCount{ 1 }; 
 
    //==============================================================================
    std::map<std::uint16_t, std::map<std::uint16_t, bool>>  m_matrixCrosspointStates; 
    std::map<std::uint16_t, std::map<std::uint16_t, float>>  m_matrixCrosspointValues; 
 
    //==============================================================================
    std::unique_ptr<MemaProcessorEditor>  m_processorEditor; 
 
    //==============================================================================
    juce::CriticalSection                                           m_pluginProcessingLock; 
    std::unique_ptr<juce::AudioPluginInstance>                      m_pluginInstance; 
    bool                                                            m_pluginEnabled = false; 
    bool                                                            m_pluginPost = false; 
    int                                                             m_pluginConfiguredChannelCount{ 0 }; 
    std::unique_ptr<ResizeableWindowWithTitleBarAndCloseCallback>   m_pluginEditorWindow; 
    std::vector<PluginParameterInfo>                                m_pluginParameterInfos; 
    std::vector<int>                                                m_pluginParameterDisplayOrder; 
 
    //==============================================================================
    std::unique_ptr<juce::XmlElement> m_lastAppliedDeviceConfigXml; 
 
    //==============================================================================
    std::unique_ptr<JUCEAppBasics::ServiceTopologyManager>  m_serviceTopologyManager; 
    std::shared_ptr<InterprocessConnectionServerImpl> m_networkServer; 
    std::unique_ptr<MemaNetworkClientCommanderWrapper> m_networkCommanderWrapper; 
    std::map<int, std::vector<SerializableMessage::SerializableMessageType>> m_trafficTypesPerConnection; 
 
    std::unique_ptr<juce::TimedCallback>   m_timedConfigurationDumper; 
    bool    m_timedConfigurationDumpPending = false; 
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(MemaProcessor)
};
 
} // namespace Mema