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1 /*
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2 This code accompanies the textbook:
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3
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4 Digital Audio Effects: Theory, Implementation and Application
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5 Joshua D. Reiss and Andrew P. McPherson
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6
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7 ---
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8
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9 Robotisation: robot effect using phase vocoder
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10 See textbook Chapter 8: The Phase Vocoder
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11
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12 Code by Andrew McPherson, Brecht De Man and Joshua Reiss
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13
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14 This code requires the fftw library version 3 to compile:
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15 http://fftw.org
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16
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17 ---
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18
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19 This program is free software: you can redistribute it and/or modify
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20 it under the terms of the GNU General Public License as published by
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21 the Free Software Foundation, either version 3 of the License, or
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22 (at your option) any later version.
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23
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24 This program is distributed in the hope that it will be useful,
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25 but WITHOUT ANY WARRANTY; without even the implied warranty of
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26 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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27 GNU General Public License for more details.
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28
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29 You should have received a copy of the GNU General Public License
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30 along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 */
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32
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33 #include "PluginProcessor.h"
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34 #include "PluginEditor.h"
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35
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36
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37 //==============================================================================
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38 RobotisationAudioProcessorEditor::RobotisationAudioProcessorEditor (RobotisationAudioProcessor* ownerFilter)
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39 : AudioProcessorEditor (ownerFilter),
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40 fftSizeLabel_("", "FFT Size:"),
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41 hopSizeLabel_("", "Hop Size:"),
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42 windowTypeLabel_("", "Window Type:")
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43 {
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44 // This is where our plugin's editor size is set.
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45 // setSize(170, 80);
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46
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47 // Set up the selection boxes
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48
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49 addAndMakeVisible(&fftSizeComboBox_);
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50 fftSizeComboBox_.setEditableText(false);
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51 fftSizeComboBox_.setJustificationType(Justification::left);
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52 fftSizeComboBox_.addItem("64", 64);
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53 fftSizeComboBox_.addItem("128", 128);
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54 fftSizeComboBox_.addItem("256", 256);
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55 fftSizeComboBox_.addItem("512", 512);
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56 fftSizeComboBox_.addItem("1024", 1024);
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57 fftSizeComboBox_.addItem("2048", 2048);
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58 fftSizeComboBox_.addListener(this);
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59
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60 addAndMakeVisible (&hopSizeSlider_);
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61 hopSizeSlider_.setSliderStyle (Slider::Rotary);
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62 hopSizeSlider_.addListener (this);
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63 hopSizeSlider_.setRange (32, 2048, 1.0);
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64
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65 addAndMakeVisible(&windowTypeComboBox_);
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66 windowTypeComboBox_.setEditableText(false);
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67 windowTypeComboBox_.setJustificationType(Justification::left);
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68 windowTypeComboBox_.addItem("Rectangular", RobotisationAudioProcessor::kWindowRectangular);
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69 windowTypeComboBox_.addItem("Bartlett", RobotisationAudioProcessor::kWindowBartlett);
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70 windowTypeComboBox_.addItem("Hann", RobotisationAudioProcessor::kWindowHann);
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71 windowTypeComboBox_.addItem("Hamming", RobotisationAudioProcessor::kWindowHamming);
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72 windowTypeComboBox_.addListener(this);
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73
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74 fftSizeLabel_.attachToComponent(&fftSizeComboBox_, false);
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75 fftSizeLabel_.setFont(Font (11.0f));
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76
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77 hopSizeLabel_.attachToComponent(&hopSizeSlider_, false);
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78 hopSizeLabel_.setFont(Font (11.0f));
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79
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80 windowTypeLabel_.attachToComponent(&windowTypeComboBox_, false);
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81 windowTypeLabel_.setFont(Font (11.0f));
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82
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83 // add the triangular resizer component for the bottom-right of the UI
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84 addAndMakeVisible(resizer_ = new ResizableCornerComponent (this, &resizeLimits_));
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85 resizeLimits_.setSizeLimits(370, 120, 400, 160);
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86
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87 // set our component's initial size to be the last one that was stored in the filter's settings
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88 setSize(ownerFilter->lastUIWidth_,
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89 ownerFilter->lastUIHeight_);
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90
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91 startTimer(50);
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92 }
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93
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94 RobotisationAudioProcessorEditor::~RobotisationAudioProcessorEditor()
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95 {
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96 }
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97
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98 //==============================================================================
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99 void RobotisationAudioProcessorEditor::paint (Graphics& g)
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100 {
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101 g.fillAll (Colours::grey);
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102 }
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103
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104 void RobotisationAudioProcessorEditor::resized()
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105 {
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106 fftSizeComboBox_.setBounds(20, 20, 150, 30);
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107 hopSizeSlider_.setBounds(200, 20, 150, 30);
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108 windowTypeComboBox_.setBounds(20, 70, 150, 30);
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109
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110 resizer_->setBounds(getWidth() - 16, getHeight() - 16, 16, 16);
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111
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112 getProcessor()->lastUIWidth_ = getWidth();
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113 getProcessor()->lastUIHeight_ = getHeight();
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114 }
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115
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116 //==============================================================================
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117 // This timer periodically checks whether any of the filter's parameters have changed...
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118 void RobotisationAudioProcessorEditor::timerCallback()
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119 {
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120 RobotisationAudioProcessor* ourProcessor = getProcessor();
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121
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122 fftSizeComboBox_.setSelectedId(ourProcessor->fftSelectedSize_, dontSendNotification);
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123 hopSizeSlider_.setValue(ourProcessor->hopSelectedSize_, dontSendNotification);
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124 windowTypeComboBox_.setSelectedId(ourProcessor->windowType_, dontSendNotification);
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125 }
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126
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127 // This is our Slider::Listener callback, when the user drags a slider.
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128 void RobotisationAudioProcessorEditor::sliderValueChanged (Slider* slider)
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129 {
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130 // It's vital to use setParameterNotifyingHost to change any parameters that are automatable
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131 // by the host, rather than just modifying them directly, otherwise the host won't know
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132 // that they've changed.
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133
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134 if (slider == &hopSizeSlider_)
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135 {
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136 getProcessor()->setParameterNotifyingHost (RobotisationAudioProcessor::kHopSizeParam,
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137 (float)hopSizeSlider_.getValue());
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138 }
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139 }
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140
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141 // Similar callback to sliderValueChanged for ComboBox updates
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142 void RobotisationAudioProcessorEditor::comboBoxChanged (ComboBox *comboBox)
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143 {
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144 if(comboBox == &fftSizeComboBox_)
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145 {
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146 getProcessor()->setParameterNotifyingHost (RobotisationAudioProcessor::kFFTSizeParam,
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147 (float)fftSizeComboBox_.getSelectedId());
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148 }
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149 else if(comboBox == &windowTypeComboBox_)
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150 {
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151 getProcessor()->setParameterNotifyingHost (RobotisationAudioProcessor::kWindowTypeParam,
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152 (float)windowTypeComboBox_.getSelectedId());
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153 }
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154 }
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