mirror of
https://github.com/juce-framework/JUCE.git
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132 lines
4.3 KiB
C++
132 lines
4.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE examples.
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Copyright (c) 2017 - ROLI Ltd.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
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WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
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PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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/*******************************************************************************
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The block below describes the properties of this PIP. A PIP is a short snippet
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of code that can be read by the Projucer and used to generate a JUCE project.
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BEGIN_JUCE_PIP_METADATA
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name: ConvolutionDemo
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version: 1.0.0
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vendor: JUCE
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website: http://juce.com
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description: Convolution demo using the DSP module.
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dependencies: juce_audio_basics, juce_audio_devices, juce_audio_formats,
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juce_audio_processors, juce_audio_utils, juce_core,
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juce_data_structures, juce_dsp, juce_events, juce_graphics,
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juce_gui_basics, juce_gui_extra
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exporters: xcode_mac, vs2019, linux_make
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moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
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type: Component
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mainClass: ConvolutionDemo
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useLocalCopy: 1
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END_JUCE_PIP_METADATA
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*******************************************************************************/
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#pragma once
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#include "../Assets/DemoUtilities.h"
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#include "../Assets/DSPDemos_Common.h"
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using namespace dsp;
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//==============================================================================
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struct ConvolutionDemoDSP
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{
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void prepare (const ProcessSpec& spec)
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{
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sampleRate = spec.sampleRate;
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convolution.prepare (spec);
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updateParameters();
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}
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void process (ProcessContextReplacing<float> context)
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{
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context.isBypassed = bypass;
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convolution.process (context);
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}
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void reset()
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{
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convolution.reset();
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}
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void updateParameters()
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{
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if (auto* cabinetTypeParameter = dynamic_cast<ChoiceParameter*> (parameters[0]))
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{
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if (cabinetTypeParameter->getCurrentSelectedID() == 1)
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{
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bypass = true;
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}
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else
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{
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bypass = false;
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auto maxSize = static_cast<size_t> (roundToInt (sampleRate * (8192.0 / 44100.0)));
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auto selectedType = cabinetTypeParameter->getCurrentSelectedID();
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auto assetName = (selectedType == 2 ? "guitar_amp.wav" : "cassette_recorder.wav");
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std::unique_ptr<InputStream> assetInputStream (createAssetInputStream (assetName));
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if (assetInputStream != nullptr)
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{
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currentCabinetData.reset();
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assetInputStream->readIntoMemoryBlock (currentCabinetData);
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convolution.loadImpulseResponse (currentCabinetData.getData(), currentCabinetData.getSize(),
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false, true, maxSize);
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}
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}
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}
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}
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//==============================================================================
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double sampleRate = 0.0;
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bool bypass = false;
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MemoryBlock currentCabinetData;
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Convolution convolution;
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ChoiceParameter cabinetParam { { "Bypass", "Guitar amplifier 8''", "Cassette recorder" }, 1, "Cabinet Type" };
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std::vector<DSPDemoParameterBase*> parameters { &cabinetParam };
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};
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struct ConvolutionDemo : public Component
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{
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ConvolutionDemo()
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{
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addAndMakeVisible (fileReaderComponent);
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setSize (750, 500);
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}
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void resized() override
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{
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fileReaderComponent.setBounds (getLocalBounds());
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}
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AudioFileReaderComponent<ConvolutionDemoDSP> fileReaderComponent;
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};
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