v1.1.3: Brickwall limiter + double-click reset on all knobs

- Output brickwall limiter (0 dB ceiling) with toggle in master row
- All sliders reset to default on double-click:
  Master gain → 0 dB, Freq → 1000 Hz, Gain → 0 dB, Q → 1.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/build.yml

@@ -25,21 +25,12 @@ jobs:
       - name: Package VST3
         run: Compress-Archive -Path "build/InstaLPEQ_artefacts/Release/VST3/InstaLPEQ.vst3" -DestinationPath "InstaLPEQ-VST3-Win64.zip"
 
-      - name: Package Standalone
-        run: Compress-Archive -Path "build/InstaLPEQ_artefacts/Release/Standalone/InstaLPEQ.exe" -DestinationPath "InstaLPEQ-Standalone-Win64.zip"
-
       - name: Upload VST3
         uses: actions/upload-artifact@v4
         with:
           name: InstaLPEQ-VST3-Win64
           path: InstaLPEQ-VST3-Win64.zip
 
-      - name: Upload Standalone
-        uses: actions/upload-artifact@v4
-        with:
-          name: InstaLPEQ-Standalone-Win64
-          path: InstaLPEQ-Standalone-Win64.zip
-
   build-macos:
     runs-on: macos-latest
     steps:
@@ -62,10 +53,6 @@ jobs:
         working-directory: build/InstaLPEQ_artefacts/Release
         run: zip -r $GITHUB_WORKSPACE/InstaLPEQ-AU-macOS.zip AU/InstaLPEQ.component
 
-      - name: Package Standalone
-        working-directory: build/InstaLPEQ_artefacts/Release
-        run: zip -r $GITHUB_WORKSPACE/InstaLPEQ-Standalone-macOS.zip Standalone/InstaLPEQ.app
-
       - name: Upload VST3
         uses: actions/upload-artifact@v4
         with:
@@ -78,12 +65,6 @@ jobs:
           name: InstaLPEQ-AU-macOS
           path: InstaLPEQ-AU-macOS.zip
 
-      - name: Upload Standalone
-        uses: actions/upload-artifact@v4
-        with:
-          name: InstaLPEQ-Standalone-macOS
-          path: InstaLPEQ-Standalone-macOS.zip
-
   build-linux:
     runs-on: ubuntu-22.04
     steps:
@@ -113,9 +94,6 @@ jobs:
         working-directory: build/InstaLPEQ_artefacts/Release
         run: zip -r $GITHUB_WORKSPACE/InstaLPEQ-LV2-Linux-x64.zip LV2/InstaLPEQ.lv2
 
-      - name: Package Standalone
-        run: zip -j InstaLPEQ-Standalone-Linux-x64.zip build/InstaLPEQ_artefacts/Release/Standalone/InstaLPEQ
-
       - name: Upload VST3
         uses: actions/upload-artifact@v4
         with:
@@ -128,12 +106,6 @@ jobs:
           name: InstaLPEQ-LV2-Linux-x64
           path: InstaLPEQ-LV2-Linux-x64.zip
 
-      - name: Upload Standalone
-        uses: actions/upload-artifact@v4
-        with:
-          name: InstaLPEQ-Standalone-Linux-x64
-          path: InstaLPEQ-Standalone-Linux-x64.zip
-
   release:
     if: startsWith(github.ref, 'refs/tags/v')
     needs: [build-windows, build-macos, build-linux]
@@ -151,11 +123,8 @@ jobs:
         with:
           files: |
             artifacts/InstaLPEQ-VST3-Win64/InstaLPEQ-VST3-Win64.zip
-            artifacts/InstaLPEQ-Standalone-Win64/InstaLPEQ-Standalone-Win64.zip
             artifacts/InstaLPEQ-VST3-macOS/InstaLPEQ-VST3-macOS.zip
             artifacts/InstaLPEQ-AU-macOS/InstaLPEQ-AU-macOS.zip
-            artifacts/InstaLPEQ-Standalone-macOS/InstaLPEQ-Standalone-macOS.zip
             artifacts/InstaLPEQ-VST3-Linux-x64/InstaLPEQ-VST3-Linux-x64.zip
             artifacts/InstaLPEQ-LV2-Linux-x64/InstaLPEQ-LV2-Linux-x64.zip
-            artifacts/InstaLPEQ-Standalone-Linux-x64/InstaLPEQ-Standalone-Linux-x64.zip
           generate_release_notes: true

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.22)
-project(InstaLPEQ VERSION 1.0.0)
+project(InstaLPEQ VERSION 1.1.3)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -13,7 +13,7 @@ juce_add_plugin(InstaLPEQ
     NEEDS_MIDI_OUTPUT FALSE
     PLUGIN_MANUFACTURER_CODE Inst
     PLUGIN_CODE Ilpe
-    FORMATS VST3 AU LV2 Standalone
+    FORMATS VST3 AU LV2
     LV2URI "https://github.com/hariel1985/InstaLPEQ"
     PRODUCT_NAME "InstaLPEQ"
     COPY_PLUGIN_AFTER_BUILD FALSE

README.md

@@ -1,32 +1,29 @@
 # InstaLPEQ
 
-Free, open-source linear phase EQ plugin built with JUCE. Available as VST3, AU, LV2 and Standalone.
+Free, open-source linear phase EQ plugin built with JUCE. Available as VST3, AU and LV2.
 
 ![VST3](https://img.shields.io/badge/format-VST3-blue) ![AU](https://img.shields.io/badge/format-AU-blue) ![LV2](https://img.shields.io/badge/format-LV2-blue) ![C++](https://img.shields.io/badge/language-C%2B%2B17-orange) ![JUCE](https://img.shields.io/badge/framework-JUCE-green) ![License](https://img.shields.io/badge/license-GPL--3.0-lightgrey) ![Build](https://github.com/hariel1985/InstaLPEQ/actions/workflows/build.yml/badge.svg)
 
 ## Download
 
-**[Latest Release: v1.0](https://github.com/hariel1985/InstaLPEQ/releases/tag/v1.0)**
+**[Latest Release: v1.1](https://github.com/hariel1985/InstaLPEQ/releases/tag/v1.1)**
 
 ### Windows
 | File | Description |
 |------|-------------|
-| [InstaLPEQ-VST3-Win64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-VST3-Win64.zip) | VST3 plugin — copy to `C:\Program Files\Common Files\VST3\` |
+| [InstaLPEQ-VST3-Win64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.1/InstaLPEQ-VST3-Win64.zip) | VST3 plugin — copy to `C:\Program Files\Common Files\VST3\` |
-| [InstaLPEQ-Standalone-Win64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-Standalone-Win64.zip) | Standalone application |
 
 ### macOS (Universal Binary: Apple Silicon + Intel)
 | File | Description |
 |------|-------------|
-| [InstaLPEQ-VST3-macOS.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-VST3-macOS.zip) | VST3 plugin — copy to `~/Library/Audio/Plug-Ins/VST3/` |
+| [InstaLPEQ-VST3-macOS.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.1/InstaLPEQ-VST3-macOS.zip) | VST3 plugin — copy to `~/Library/Audio/Plug-Ins/VST3/` |
-| [InstaLPEQ-AU-macOS.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-AU-macOS.zip) | Audio Unit — copy to `~/Library/Audio/Plug-Ins/Components/` |
+| [InstaLPEQ-AU-macOS.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.1/InstaLPEQ-AU-macOS.zip) | Audio Unit — copy to `~/Library/Audio/Plug-Ins/Components/` |
-| [InstaLPEQ-Standalone-macOS.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-Standalone-macOS.zip) | Standalone application |
 
 ### Linux (x64, built on Ubuntu 22.04)
 | File | Description |
 |------|-------------|
-| [InstaLPEQ-VST3-Linux-x64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-VST3-Linux-x64.zip) | VST3 plugin — copy to `~/.vst3/` |
+| [InstaLPEQ-VST3-Linux-x64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.1/InstaLPEQ-VST3-Linux-x64.zip) | VST3 plugin — copy to `~/.vst3/` |
-| [InstaLPEQ-LV2-Linux-x64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-LV2-Linux-x64.zip) | LV2 plugin — copy to `~/.lv2/` |
+| [InstaLPEQ-LV2-Linux-x64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.1/InstaLPEQ-LV2-Linux-x64.zip) | LV2 plugin — copy to `~/.lv2/` |
-| [InstaLPEQ-Standalone-Linux-x64.zip](https://github.com/hariel1985/InstaLPEQ/releases/download/v1.0/InstaLPEQ-Standalone-Linux-x64.zip) | Standalone application |
 
 > **macOS note:** Builds are Universal Binary (Apple Silicon + Intel). Not code-signed — after copying the plugin, remove the quarantine flag in Terminal:
 > ```bash
@@ -107,7 +104,6 @@ Output:
 - VST3: `build/InstaLPEQ_artefacts/Release/VST3/InstaLPEQ.vst3`
 - AU: `build/InstaLPEQ_artefacts/Release/AU/InstaLPEQ.component` (macOS)
 - LV2: `build/InstaLPEQ_artefacts/Release/LV2/InstaLPEQ.lv2`
-- Standalone: `build/InstaLPEQ_artefacts/Release/Standalone/InstaLPEQ.exe`
 
 ## How It Works
 

Source/FIREngine.cpp

@@ -33,7 +33,7 @@ void FIREngine::setBands (const std::vector<EQBand>& newBands)
 
 void FIREngine::setFFTOrder (int order)
 {
-    fftOrder.store (juce::jlimit (12, 14, order));
+    fftOrder.store (juce::jlimit (9, 14, order));
     needsUpdate.store (true);
     notify();
 }

Source/FIREngine.h

@@ -5,7 +5,7 @@
 class FIREngine : private juce::Thread
 {
 public:
-    static constexpr int defaultFFTOrder = 13;  // 8192 taps
+    static constexpr int defaultFFTOrder = 11;  // 2048 taps
     static constexpr int maxBands = 8;
 
     FIREngine();

Source/NodeParameterPanel.cpp

@@ -5,11 +5,14 @@ NodeParameterPanel::NodeParameterPanel()
 {
     setupSlider (freqSlider, freqLabel, 20.0, 20000.0, 1.0, " Hz");
     freqSlider.setSkewFactorFromMidPoint (1000.0);
+    freqSlider.setDoubleClickReturnValue (true, 1000.0);
 
     setupSlider (gainSlider, gainLabel, -24.0, 24.0, 0.1, " dB");
+    gainSlider.setDoubleClickReturnValue (true, 0.0);
 
     setupSlider (qSlider, qLabel, 0.1, 18.0, 0.01, "");
     qSlider.setSkewFactorFromMidPoint (1.0);
+    qSlider.setDoubleClickReturnValue (true, 1.0);
     qSlider.getProperties().set (InstaLPEQLookAndFeel::knobTypeProperty, "dark");
 
     typeSelector.addItem ("Peak", 1);

Source/PluginEditor.cpp

@@ -23,6 +23,47 @@ InstaLPEQEditor::InstaLPEQEditor (InstaLPEQProcessor& p)
     bypassLabel.setColour (juce::Label::textColourId, InstaLPEQLookAndFeel::textSecondary);
     addAndMakeVisible (bypassLabel);
 
+    // New Band button
+    newBandButton.onClick = [this]
+    {
+        if (processor.getNumBands() < InstaLPEQProcessor::maxBands)
+        {
+            processor.addBand (1000.0f, 0.0f);
+            syncDisplayFromProcessor();
+            curveDisplay.setSelectedBand (processor.getNumBands() - 1);
+        }
+    };
+    addAndMakeVisible (newBandButton);
+
+    // Quality selector (FIR latency)
+    qualitySelector.addItem ("512 (~6ms)", 1);
+    qualitySelector.addItem ("1024 (~12ms)", 2);
+    qualitySelector.addItem ("2048 (~23ms)", 3);
+    qualitySelector.addItem ("4096 (~46ms)", 4);
+    qualitySelector.addItem ("8192 (~93ms)", 5);
+    qualitySelector.addItem ("16384 (~186ms)", 6);
+    qualitySelector.setSelectedId (3, juce::dontSendNotification);  // default 2048
+    qualitySelector.onChange = [this]
+    {
+        int sel = qualitySelector.getSelectedId();
+        int order = sel + 8;  // 1->9, 2->10, 3->11, 4->12, 5->13, 6->14
+        processor.setQuality (order);
+
+        if (sel <= 2)  // 512 or 1024
+            qualityWarning.setText ("Low freq accuracy reduced", juce::dontSendNotification);
+        else
+            qualityWarning.setText ("", juce::dontSendNotification);
+    };
+    addAndMakeVisible (qualitySelector);
+    qualityLabel.setFont (customLookAndFeel.getMediumFont (13.0f));
+    qualityLabel.setJustificationType (juce::Justification::centredRight);
+    addAndMakeVisible (qualityLabel);
+
+    qualityWarning.setFont (customLookAndFeel.getRegularFont (11.0f));
+    qualityWarning.setColour (juce::Label::textColourId, juce::Colour (0xffff6644));
+    qualityWarning.setJustificationType (juce::Justification::centredRight);
+    addAndMakeVisible (qualityWarning);
+
     // EQ curve
     curveDisplay.setListener (this);
     addAndMakeVisible (curveDisplay);
@@ -37,11 +78,20 @@ InstaLPEQEditor::InstaLPEQEditor (InstaLPEQProcessor& p)
     masterGainSlider.setRange (-24.0, 24.0, 0.1);
     masterGainSlider.setValue (0.0);
     masterGainSlider.setTextValueSuffix (" dB");
+    masterGainSlider.setDoubleClickReturnValue (true, 0.0);
     addAndMakeVisible (masterGainSlider);
     masterGainLabel.setFont (customLookAndFeel.getMediumFont (13.0f));
     masterGainLabel.setJustificationType (juce::Justification::centred);
     addAndMakeVisible (masterGainLabel);
 
+    // Limiter toggle
+    limiterToggle.setToggleState (processor.limiterEnabled.load(), juce::dontSendNotification);
+    addAndMakeVisible (limiterToggle);
+    limiterLabel.setFont (customLookAndFeel.getMediumFont (13.0f));
+    limiterLabel.setColour (juce::Label::textColourId, InstaLPEQLookAndFeel::textSecondary);
+    limiterLabel.setJustificationType (juce::Justification::centred);
+    addAndMakeVisible (limiterLabel);
+
     // Sizing
     constrainer.setMinimumSize (700, 450);
     constrainer.setMaximumSize (1920, 1080);
@@ -102,18 +152,30 @@ void InstaLPEQEditor::resized()
     bypassLabel.setBounds (bypassArea.removeFromLeft (50));
     bypassToggle.setBounds (bypassArea);
 
+    newBandButton.setBounds (header.removeFromRight ((int) (90 * scale)).reduced (2));
+
     // Bottom master row
     int masterH = (int) std::max (50.0f, 65.0f * scale);
     auto masterArea = bounds.removeFromBottom (masterH).reduced (pad, 2);
 
-    // Divider above master
-    // (painted in paint())
-
     masterGainLabel.setFont (customLookAndFeel.getMediumFont (std::max (11.0f, 14.0f * scale)));
     auto labelArea = masterArea.removeFromLeft (60);
     masterGainLabel.setBounds (labelArea);
     masterGainSlider.setBounds (masterArea.removeFromLeft (masterH));
 
+    // Limiter toggle next to master gain
+    limiterLabel.setFont (customLookAndFeel.getMediumFont (std::max (11.0f, 14.0f * scale)));
+    limiterLabel.setBounds (masterArea.removeFromLeft (55));
+    limiterToggle.setBounds (masterArea.removeFromLeft (40));
+
+    // Quality selector on the right side of master row
+    qualityLabel.setFont (customLookAndFeel.getMediumFont (std::max (11.0f, 14.0f * scale)));
+    auto qLabelArea = masterArea.removeFromRight (30);
+    qualityLabel.setBounds (qLabelArea);
+    qualitySelector.setBounds (masterArea.removeFromRight ((int) (130 * scale)).reduced (2, (masterH - 24) / 2));
+    qualityWarning.setFont (customLookAndFeel.getRegularFont (std::max (9.0f, 11.0f * scale)));
+    qualityWarning.setBounds (masterArea.removeFromRight ((int) (170 * scale)));
+
     // Node parameter panel (15% of remaining height)
     int nodePanelH = (int) (bounds.getHeight() * 0.18f);
     auto nodePanelArea = bounds.removeFromBottom (nodePanelH).reduced (pad, 2);
@@ -126,9 +188,10 @@ void InstaLPEQEditor::resized()
 
 void InstaLPEQEditor::timerCallback()
 {
-    // Sync bypass
+    // Sync bypass & limiter
     processor.bypassed.store (bypassToggle.getToggleState());
     processor.masterGainDb.store ((float) masterGainSlider.getValue());
+    processor.limiterEnabled.store (limiterToggle.getToggleState());
 
     // Update display with latest magnitude response
     auto magDb = processor.getFIREngine().getMagnitudeResponseDb();

Source/PluginEditor.h

@@ -39,12 +39,19 @@ private:
     NodeParameterPanel nodePanel;
 
     juce::Label titleLabel { {}, "INSTALPEQ" };
-    juce::Label versionLabel { {}, "v1.0" };
+    juce::Label versionLabel { {}, "v1.1.3" };
     juce::ToggleButton bypassToggle;
     juce::Label bypassLabel { {}, "BYPASS" };
 
+    juce::TextButton newBandButton { "NEW BAND" };
+    juce::ComboBox qualitySelector;
+    juce::Label qualityLabel { {}, "FIR" };
+    juce::Label qualityWarning { {}, "" };
+
     juce::Slider masterGainSlider;
     juce::Label masterGainLabel { {}, "MASTER" };
+    juce::ToggleButton limiterToggle;
+    juce::Label limiterLabel { {}, "LIMITER" };
 
     juce::ComponentBoundsConstrainer constrainer;
 

Source/PluginProcessor.cpp

@@ -28,6 +28,9 @@ void InstaLPEQProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
 
     juce::dsp::ProcessSpec spec { sampleRate, (juce::uint32) samplesPerBlock, 2 };
     convolution.prepare (spec);
+    limiter.prepare (spec);
+    limiter.setThreshold (0.0f);
+    limiter.setRelease (50.0f);
 
     firEngine.start (sampleRate);
     updateFIR();
@@ -67,6 +70,14 @@ void InstaLPEQProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::M
     float gain = juce::Decibels::decibelsToGain (masterGainDb.load());
     if (std::abs (gain - 1.0f) > 0.001f)
         buffer.applyGain (gain);
+
+    // Brickwall limiter (0 dB ceiling)
+    if (limiterEnabled.load())
+    {
+        juce::dsp::AudioBlock<float> limBlock (buffer);
+        juce::dsp::ProcessContextReplacing<float> limContext (limBlock);
+        limiter.process (limContext);
+    }
 }
 
 // ============================================================
@@ -125,6 +136,13 @@ void InstaLPEQProcessor::updateFIR()
     firEngine.setBands (currentBands);
 }
 
+void InstaLPEQProcessor::setQuality (int fftOrder)
+{
+    firEngine.setFFTOrder (fftOrder);
+    setLatencySamples (firEngine.getLatencySamples());
+    updateFIR();
+}
+
 // ============================================================
 // State save/restore
 // ============================================================
@@ -134,6 +152,7 @@ void InstaLPEQProcessor::getStateInformation (juce::MemoryBlock& destData)
     juce::XmlElement xml ("InstaLPEQ");
     xml.setAttribute ("bypass", bypassed.load());
     xml.setAttribute ("masterGain", (double) masterGainDb.load());
+    xml.setAttribute ("limiter", limiterEnabled.load());
 
     auto currentBands = getBands();
     for (int i = 0; i < (int) currentBands.size(); ++i)
@@ -157,6 +176,7 @@ void InstaLPEQProcessor::setStateInformation (const void* data, int sizeInBytes)
 
     bypassed.store (xml->getBoolAttribute ("bypass", false));
     masterGainDb.store ((float) xml->getDoubleAttribute ("masterGain", 0.0));
+    limiterEnabled.store (xml->getBoolAttribute ("limiter", true));
 
     std::vector<EQBand> loadedBands;
     for (auto* bandXml : xml->getChildIterator())

Source/PluginProcessor.h

@@ -43,6 +43,9 @@ public:
     // Settings
     std::atomic<bool> bypassed { false };
     std::atomic<float> masterGainDb { 0.0f };
+    std::atomic<bool> limiterEnabled { true };
+
+    void setQuality (int fftOrder);
 
     FIREngine& getFIREngine() { return firEngine; }
     double getCurrentSampleRate() const { return currentSampleRate; }
@@ -53,6 +56,7 @@ private:
 
     FIREngine firEngine;
     juce::dsp::Convolution convolution;
+    juce::dsp::Limiter<float> limiter;
 
     double currentSampleRate = 44100.0;
     int currentBlockSize = 512;