Initial commit

.gitignore

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+Builds/
+modules/
+JuceLibraryCode/
+*.exe

KlangFalter.jucer

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<JUCERPROJECT id="IRcjcT" name="KlangFalter" projectType="audioplug" version="2012.10.11beta"
+              bundleIdentifier="com.hifi-lofi.KlangFalter" jucerVersion="3.0.0"
+              buildVST="0" buildRTAS="0" buildAU="1" pluginName="KlangFalter"
+              pluginDesc="Simple Audio Convolution Plugin" pluginManufacturer="HiFi-LoFi"
+              pluginManufacturerCode="HiLo" pluginCode="HLKF" pluginChannelConfigs="{1, 1}, {2, 2}, {1, 2}"
+              pluginIsSynth="0" pluginWantsMidiIn="0" pluginProducesMidiOut="0"
+              pluginSilenceInIsSilenceOut="0" pluginTailLength="0" pluginEditorRequiresKeys="0"
+              pluginAUExportPrefix="KlangFalterAU" pluginAUViewClass="KlangFalterAU_V1"
+              pluginRTASCategory="" companyName="HiFi-LoFi">
+  <EXPORTFORMATS>
+    <XCODE_MAC targetFolder="Builds/MacOSX" objCExtraSuffix="C54DO8" juceFolder="../Juce/modules"
+               extraCompilerFlags="" extraFrameworks="Accelerate">
+      <CONFIGURATIONS>
+        <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="KlangFalter"
+                       osxSDK="default" osxCompatibility="default" osxArchitecture="default"
+                       defines="AUDIOFFT_APPLE_ACCELERATE=1"/>
+        <CONFIGURATION name="Release" isDebug="1" optimisation="2" targetName="KlangFalter"
+                       osxSDK="default" osxCompatibility="default" osxArchitecture="default"
+                       defines="AUDIOFFT_APPLE_ACCELERATE=1"/>
+      </CONFIGURATIONS>
+    </XCODE_MAC>
+    <VS2010 targetFolder="Builds/VisualStudio2010" libraryType="1" juceFolder="..\Juce\modules">
+      <CONFIGURATIONS>
+        <CONFIGURATION name="Debug" winWarningLevel="4" generateManifest="1" winArchitecture="32-bit"
+                       isDebug="1" optimisation="1" targetName="KlangFalter"/>
+        <CONFIGURATION name="Release" winWarningLevel="4" generateManifest="1" winArchitecture="32-bit"
+                       isDebug="1" optimisation="2" targetName="KlangFalter"/>
+      </CONFIGURATIONS>
+    </VS2010>
+  </EXPORTFORMATS>
+  <MAINGROUP id="tWkHhV" name="KlangFalter">
+    <GROUP id="{25281D04-97AD-E16A-DD2E-04A6860714ED}" name="FFTConvolver">
+      <FILE id="Dq7rky" name="AudioFFT.cpp" compile="1" resource="0" file="Source/FFTConvolver/AudioFFT.cpp"/>
+      <FILE id="epp4dB" name="AudioFFT.h" compile="0" resource="0" file="Source/FFTConvolver/AudioFFT.h"/>
+      <FILE id="jU446I" name="Buffer.h" compile="0" resource="0" file="Source/FFTConvolver/Buffer.h"/>
+      <FILE id="VzEPLP" name="Configuration.h" compile="0" resource="0" file="Source/FFTConvolver/Configuration.h"/>
+      <FILE id="wEkTRs" name="FFTConvolver.cpp" compile="1" resource="0"
+            file="Source/FFTConvolver/FFTConvolver.cpp"/>
+      <FILE id="iVHbus" name="FFTConvolver.h" compile="0" resource="0" file="Source/FFTConvolver/FFTConvolver.h"/>
+      <FILE id="Lgz7Ac" name="MultiplyAdd.cpp" compile="1" resource="0" file="Source/FFTConvolver/MultiplyAdd.cpp"/>
+      <FILE id="Cv3iOQ" name="MultiplyAdd.h" compile="0" resource="0" file="Source/FFTConvolver/MultiplyAdd.h"/>
+      <FILE id="jYiAAA" name="Sample.h" compile="0" resource="0" file="Source/FFTConvolver/Sample.h"/>
+      <FILE id="YHYGAU" name="SplitComplex.h" compile="0" resource="0" file="Source/FFTConvolver/SplitComplex.h"/>
+    </GROUP>
+    <GROUP id="{AF9AFB86-5BBB-A92F-6447-4B85AD586F22}" name="UI">
+      <FILE id="esn7nj" name="CustomLookAndFeel.cpp" compile="1" resource="0"
+            file="Source/UI/CustomLookAndFeel.cpp"/>
+      <FILE id="woqAZd" name="CustomLookAndFeel.h" compile="0" resource="0"
+            file="Source/UI/CustomLookAndFeel.h"/>
+      <FILE id="hUJ1AF" name="DecibelScale.cpp" compile="1" resource="0"
+            file="Source/UI/DecibelScale.cpp"/>
+      <FILE id="R6M8dL" name="DecibelScale.h" compile="0" resource="0" file="Source/UI/DecibelScale.h"/>
+      <FILE id="MEN3tl" name="IRBrowserComponent.cpp" compile="1" resource="0"
+            file="Source/UI/IRBrowserComponent.cpp"/>
+      <FILE id="enSkEH" name="IRBrowserComponent.h" compile="0" resource="0"
+            file="Source/UI/IRBrowserComponent.h"/>
+      <FILE id="DYALQh" name="IRComponent.cpp" compile="1" resource="0" file="Source/UI/IRComponent.cpp"/>
+      <FILE id="zpKmUg" name="IRComponent.h" compile="0" resource="0" file="Source/UI/IRComponent.h"/>
+      <FILE id="pNhLHO" name="KlangFalterEditor.cpp" compile="1" resource="0"
+            file="Source/UI/KlangFalterEditor.cpp"/>
+      <FILE id="NYHkDc" name="KlangFalterEditor.h" compile="0" resource="0"
+            file="Source/UI/KlangFalterEditor.h"/>
+      <FILE id="VEaG8F" name="LevelMeter.cpp" compile="1" resource="0" file="Source/UI/LevelMeter.cpp"/>
+      <FILE id="zRwaj0" name="LevelMeter.h" compile="0" resource="0" file="Source/UI/LevelMeter.h"/>
+      <FILE id="dj5ePy" name="SettingsDialogComponent.cpp" compile="1" resource="0"
+            file="Source/UI/SettingsDialogComponent.cpp"/>
+      <FILE id="wgowyX" name="SettingsDialogComponent.h" compile="0" resource="0"
+            file="Source/UI/SettingsDialogComponent.h"/>
+      <FILE id="xM5QfR" name="WaveformComponent.cpp" compile="1" resource="0"
+            file="Source/UI/WaveformComponent.cpp"/>
+      <FILE id="WU2LwP" name="WaveformComponent.h" compile="0" resource="0"
+            file="Source/UI/WaveformComponent.h"/>
+    </GROUP>
+    <FILE id="CCplCO" name="AsyncMultiplyAddEngine.cpp" compile="1" resource="0"
+          file="Source/AsyncMultiplyAddEngine.cpp"/>
+    <FILE id="oFPWI7" name="AsyncMultiplyAddEngine.h" compile="0" resource="0"
+          file="Source/AsyncMultiplyAddEngine.h"/>
+    <FILE id="tP4m4I" name="DecibelScaling.h" compile="0" resource="0"
+          file="Source/DecibelScaling.h"/>
+    <FILE id="gL5qFG" name="DevelopmentApplication.cpp" compile="1" resource="0"
+          file="Source/DevelopmentApplication.cpp"/>
+    <FILE id="dJhcWx" name="Envelope.cpp" compile="1" resource="0" file="Source/Envelope.cpp"/>
+    <FILE id="iWDpt2" name="Envelope.h" compile="0" resource="0" file="Source/Envelope.h"/>
+    <FILE id="piTFx6" name="IRAgent.cpp" compile="1" resource="0" file="Source/IRAgent.cpp"/>
+    <FILE id="SynzbE" name="IRAgent.h" compile="0" resource="0" file="Source/IRAgent.h"/>
+    <FILE id="sS25aG" name="IRManager.cpp" compile="1" resource="0" file="Source/IRManager.cpp"/>
+    <FILE id="z0N8GF" name="IRManager.h" compile="0" resource="0" file="Source/IRManager.h"/>
+    <FILE id="vF7jUl" name="LevelMeasurement.cpp" compile="1" resource="0"
+          file="Source/LevelMeasurement.cpp"/>
+    <FILE id="mYCk2O" name="LevelMeasurement.h" compile="0" resource="0"
+          file="Source/LevelMeasurement.h"/>
+    <FILE id="izDfGd" name="Persistence.cpp" compile="1" resource="0" file="Source/Persistence.cpp"/>
+    <FILE id="zBljGc" name="Persistence.h" compile="0" resource="0" file="Source/Persistence.h"/>
+    <FILE id="hmuxWn" name="PluginProcessor.cpp" compile="1" resource="0"
+          file="Source/PluginProcessor.cpp"/>
+    <FILE id="d8hXbk" name="PluginProcessor.h" compile="0" resource="0"
+          file="Source/PluginProcessor.h"/>
+    <FILE id="dxea9X" name="Settings.cpp" compile="1" resource="0" file="Source/Settings.cpp"/>
+    <FILE id="OsElLF" name="Settings.h" compile="0" resource="0" file="Source/Settings.h"/>
+  </MAINGROUP>
+  <MODULES>
+    <MODULE id="juce_core" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_events" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_graphics" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_data_structures" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_gui_basics" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_gui_extra" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_gui_audio" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_basics" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_devices" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_formats" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_processors" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_utils" showAllCode="1" useLocalCopy="1"/>
+    <MODULE id="juce_audio_plugin_client" showAllCode="1" useLocalCopy="1"/>
+  </MODULES>
+  <JUCEOPTIONS/>
+</JUCERPROJECT>

Source/AsyncMultiplyAddEngine.cpp

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+// ==================================================================================
+// Copyright (c) 2012 HiFi-LoFi
+//
+// This 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.
+//
+// This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+// ==================================================================================
+
+#include "AsyncMultiplyAddEngine.h"
+
+
+class MultiplyAddThread : public juce::Thread
+{
+public:
+  explicit MultiplyAddThread(AsyncMultiplyAddEngine& multiplyAddEngine) :
+    juce::Thread("MultiplyAddThread"),
+    _multiplyAddEngine(multiplyAddEngine)
+  {
+    startThread();
+  }
+
+
+  virtual ~MultiplyAddThread()
+  {
+    notify();
+    stopThread(1000);
+  }
+
+
+  virtual void run()
+  {
+    for (;;)
+    {
+      wait(-1);
+      if (threadShouldExit())
+      {
+        return;
+      }
+      _multiplyAddEngine.asyncMultiplyAdd();
+    }
+  }
+
+private:
+  AsyncMultiplyAddEngine& _multiplyAddEngine;
+
+  MultiplyAddThread(const MultiplyAddThread&);
+  MultiplyAddThread& operator=(const MultiplyAddThread&);
+};
+
+
+// =================================================
+
+AsyncMultiplyAddEngine::AsyncMultiplyAddEngine() :
+  fftconvolver::MultiplyAddEngine(),
+  _thread(),
+  _resultReady(true),
+  _pairs()
+{
+}
+
+
+AsyncMultiplyAddEngine::~AsyncMultiplyAddEngine()
+{
+  _thread = nullptr;
+  _resultReady.signal();
+}
+
+
+void AsyncMultiplyAddEngine::init(const std::vector<fftconvolver::SplitComplex*>& ir)
+{ 
+  _pairs.reserve(ir.size());
+  _resultReady.signal();
+  _thread = new MultiplyAddThread(*this);
+  fftconvolver::MultiplyAddEngine::init(ir);
+}
+
+
+void AsyncMultiplyAddEngine::setAudio(size_t index, const fftconvolver::SplitComplex& audio)
+{
+  fftconvolver::MultiplyAddEngine::setAudio(index, audio);
+}
+
+
+void AsyncMultiplyAddEngine::multiplyAdd(const std::vector<Pair>& pairs)
+{
+  _resultReady.wait();
+  _resultReady.reset();
+  _pairs = pairs;
+  _thread->notify();
+}
+
+
+const fftconvolver::SplitComplex& AsyncMultiplyAddEngine::getResult()
+{
+  _resultReady.wait();
+  return fftconvolver::MultiplyAddEngine::getResult();
+}
+
+
+void AsyncMultiplyAddEngine::asyncMultiplyAdd()
+{
+  fftconvolver::MultiplyAddEngine::multiplyAdd(_pairs);
+  _resultReady.signal();
+}

Source/AsyncMultiplyAddEngine.h

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+// ==================================================================================
+// Copyright (c) 2012 HiFi-LoFi
+//
+// This 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.
+//
+// This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+// ==================================================================================
+
+#ifndef _ASYNCMULTIPLYADD_H
+#define _ASYNCMULTIPLYADD_H
+
+#include "../JuceLibraryCode/JuceHeader.h"
+
+#include "fftconvolver/MultiplyAdd.h"
+
+
+class AsyncMultiplyAddEngine : public fftconvolver::MultiplyAddEngine
+{
+public:
+  AsyncMultiplyAddEngine();
+  virtual ~AsyncMultiplyAddEngine();
+
+  virtual void init(const std::vector<fftconvolver::SplitComplex*>& ir);  
+  virtual void setAudio(size_t index, const fftconvolver::SplitComplex& audio);
+  virtual void multiplyAdd(const std::vector<Pair>& pairs);
+  virtual const fftconvolver::SplitComplex& getResult();
+
+private:
+  friend class MultiplyAddThread;
+  void asyncMultiplyAdd();
+
+  juce::ScopedPointer<juce::Thread> _thread;
+  juce::WaitableEvent _resultReady;
+  std::vector<Pair> _pairs;
+};
+
+
+#endif // Header guard

Source/DecibelScaling.h

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+// ==================================================================================
+// Copyright (c) 2012 HiFi-LoFi
+//
+// This 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.
+//
+// This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+// ==================================================================================
+
+#ifndef _DECIBELSCALING_H
+#define _DECIBELSCALING_H
+
+
+#include "../JuceLibraryCode/JuceHeader.h"
+
+
+struct DecibelScaling
+{
+  static float MinusInfinity()
+  {
+    return -100.0f;
+  }
+
+  static float Db2Gain(float gain)
+  {
+    return Decibels::decibelsToGain(gain, MinusInfinity());
+  }
+
+  static float Gain2Db(float db)
+  {
+    return Decibels::gainToDecibels(db, MinusInfinity());
+  }
+
+  static float MinScaleDb()
+  {
+    return MinusInfinity();
+  }
+
+  static float MaxScaleDb()
+  {
+    return +20.0f;
+  }
+
+  static float Db2Scale(float db)
+  {
+    db = std::max(MinScaleDb(), std::min(MaxScaleDb(), db));
+    const float n = (db - MinScaleDb()) / (MaxScaleDb() - MinScaleDb());
+    return ::pow(n, 2.0f);
+  }
+
+  static float Scale2Db(float scale)
+  {
+    scale = std::max(0.0f, std::min(1.0f, scale));
+    if (scale < 0.00001f)
+    {
+      return MinScaleDb();
+    }
+    const float factor = ::exp(::log(scale) / 2.0f);
+    return MinScaleDb() + factor * (MaxScaleDb() - MinScaleDb());
+  }
+
+  static float Gain2Scale(float gain)
+  {
+    return Db2Scale(Gain2Db(gain));
+  }
+
+  static float Scale2Gain(float scale)
+  {
+    return Db2Gain(Scale2Db(scale));
+  }
+
+  static String DecibelString(float db)
+  {
+    if (::fabs(db - MinScaleDb()) < 0.001f)
+    {
+      return String("-inf");
+    }
+    else
+    {
+      return String(db, 1) + String("dB");
+    }
+  }
+
+  static String DecibelString(int db)
+  {
+    if (::fabs(static_cast<float>(db) - MinScaleDb()) < 0.001f)
+    {
+      return String("-inf");
+    }
+    else
+    {
+      return String(db) + String("dB");
+    }
+  }
+
+};
+
+
+#endif // Header guard