504 lines
20 KiB
C++
504 lines
20 KiB
C++
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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namespace dsp
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{
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template <typename SampleType>
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class AudioBlockUnitTests : public UnitTest
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{
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public:
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//==============================================================================
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using NumericType = typename SampleTypeHelpers::ElementType<SampleType>::Type;
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AudioBlockUnitTests()
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: UnitTest ("AudioBlock", UnitTestCategories::dsp)
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{
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for (auto v : { &data, &otherData })
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for (auto& channel : *v)
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channel = allocateAlignedMemory (numSamples);
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block = { data.data(), data.size(), (size_t) numSamples };
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otherBlock = { otherData.data(), otherData.size(), (size_t) numSamples };
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resetBlocks();
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}
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~AudioBlockUnitTests() override
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{
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for (auto v : { &data, &otherData })
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for (auto channel : *v)
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deallocateAlignedMemory (channel);
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}
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void runTest() override
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{
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beginTest ("Equality");
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{
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expect (block == block);
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expect (block != otherBlock);
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}
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beginTest ("Constructors");
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{
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expect (block == AudioBlock<SampleType> (data.data(), data.size(), numSamples));
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expect (block == AudioBlock<SampleType> (data.data(), data.size(), (size_t) 0, numSamples));
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expect (block == AudioBlock<SampleType> (block));
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expect (block == AudioBlock<const SampleType> (data.data(), data.size(), numSamples));
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expect (block == AudioBlock<const SampleType> (data.data(), data.size(), (size_t) 0, numSamples));
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expect (block == AudioBlock<const SampleType> (block));
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}
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beginTest ("Swap");
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{
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resetBlocks();
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expect (block != otherBlock);
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expect (block.getSample (0, 0) == SampleType (1.0));
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expect (block.getSample (0, 4) == SampleType (5.0));
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expect (otherBlock.getSample (0, 0) == SampleType (-1.0));
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expect (otherBlock.getSample (0, 3) == SampleType (-4.0));
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block.swap (otherBlock);
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expect (block != otherBlock);
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expect (otherBlock.getSample (0, 0) == SampleType (1.0));
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expect (otherBlock.getSample (0, 4) == SampleType (5.0));
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expect (block.getSample (0, 0) == SampleType (-1.0));
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expect (block.getSample (0, 3) == SampleType (-4.0));
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block.swap (otherBlock);
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expect (block.getSample (0, 0) == SampleType (1.0));
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expect (block.getSample (0, 4) == SampleType (5.0));
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expect (otherBlock.getSample (0, 0) == SampleType (-1.0));
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expect (otherBlock.getSample (0, 3) == SampleType (-4.0));
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}
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beginTest ("Getters and setters");
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{
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resetBlocks();
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expectEquals ((int) block.getNumChannels(), (int) data.size());
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expectEquals ((int) block.getNumSamples(), numSamples);
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expect (block.getChannelPointer (0)[2] == SampleType (3.0));
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block.getChannelPointer (0)[2] = SampleType (999.0);
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expect (block.getChannelPointer (0)[2] == SampleType (999.0));
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expect (block.getSample (0, 4) == SampleType (5.0));
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expect (block.getSample (1, 4) == SampleType (11.0));
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expect (block.getSingleChannelBlock (1).getSample (0, 3) == block.getSample (1, 3));
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expect (block.getSubsetChannelBlock (0, 2).getSample (1, 3) == block.getSample (1, 3));
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expect (block.getSubsetChannelBlock (1, 1).getSample (0, 3) == block.getSample (1, 3));
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block.setSample (1, 1, SampleType (777.0));
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expect (block.getSample (1, 1) == SampleType (777.0));
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block.addSample (1, 1, SampleType (1.0));
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expect (block.getSample (1, 1) == SampleType (778.0));
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}
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beginTest ("Basic copying");
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{
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block.clear();
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expect (block.getSample (0, 2) == SampleType (0.0));
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expect (block.getSample (1, 4) == SampleType (0.0));
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block.fill ((NumericType) 456.0);
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expect (block.getSample (0, 2) == SampleType (456.0));
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expect (block.getSample (1, 4) == SampleType (456.0));
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block.copyFrom (otherBlock);
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expect (block != otherBlock);
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expect (block.getSample (0, 2) == otherBlock.getSample (0, 2));
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expect (block.getSample (1, 4) == otherBlock.getSample (1, 4));
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resetBlocks();
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SampleType testSample1 = block.getSample (0, 2);
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SampleType testSample2 = block.getSample (1, 3);
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expect (testSample1 != block.getSample (0, 4));
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expect (testSample2 != block.getSample (1, 5));
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block.move (0, 2);
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expect (block.getSample (0, 4) == testSample1);
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expect (block.getSample (1, 5) == testSample2);
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}
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beginTest ("Addition");
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{
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resetBlocks();
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block.add ((NumericType) 15.0);
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expect (block.getSample (0, 4) == SampleType (20.0));
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expect (block.getSample (1, 4) == SampleType (26.0));
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block.add (otherBlock);
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expect (block.getSample (0, 4) == SampleType (15.0));
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expect (block.getSample (1, 4) == SampleType (15.0));
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block.replaceWithSumOf (otherBlock, (NumericType) 9.0);
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expect (block.getSample (0, 4) == SampleType (4.0));
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expect (block.getSample (1, 4) == SampleType (-2.0));
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resetBlocks();
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block.replaceWithSumOf (block, otherBlock);
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expect (block.getSample (0, 4) == SampleType (0.0));
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expect (block.getSample (1, 4) == SampleType (0.0));
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}
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beginTest ("Subtraction");
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{
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resetBlocks();
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block.subtract ((NumericType) 15.0);
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expect (block.getSample (0, 4) == SampleType (-10.0));
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expect (block.getSample (1, 4) == SampleType (-4.0));
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block.subtract (otherBlock);
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expect (block.getSample (0, 4) == SampleType (-5.0));
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expect (block.getSample (1, 4) == SampleType (7.0));
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block.replaceWithDifferenceOf (otherBlock, (NumericType) 9.0);
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expect (block.getSample (0, 4) == SampleType (-14.0));
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expect (block.getSample (1, 4) == SampleType (-20.0));
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resetBlocks();
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block.replaceWithDifferenceOf (block, otherBlock);
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expect (block.getSample (0, 4) == SampleType (10.0));
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expect (block.getSample (1, 4) == SampleType (22.0));
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}
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beginTest ("Multiplication");
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{
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resetBlocks();
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block.multiplyBy ((NumericType) 10.0);
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expect (block.getSample (0, 4) == SampleType (50.0));
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expect (block.getSample (1, 4) == SampleType (110.0));
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block.multiplyBy (otherBlock);
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expect (block.getSample (0, 4) == SampleType (-250.0));
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expect (block.getSample (1, 4) == SampleType (-1210.0));
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block.replaceWithProductOf (otherBlock, (NumericType) 3.0);
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expect (block.getSample (0, 4) == SampleType (-15.0));
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expect (block.getSample (1, 4) == SampleType (-33.0));
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resetBlocks();
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block.replaceWithProductOf (block, otherBlock);
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expect (block.getSample (0, 4) == SampleType (-25.0));
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expect (block.getSample (1, 4) == SampleType (-121.0));
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}
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beginTest ("Multiply add");
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{
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resetBlocks();
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block.addProductOf (otherBlock, (NumericType) -1.0);
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expect (block.getSample (0, 4) == SampleType (10.0));
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expect (block.getSample (1, 4) == SampleType (22.0));
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block.addProductOf (otherBlock, otherBlock);
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expect (block.getSample (0, 4) == SampleType (35.0));
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expect (block.getSample (1, 4) == SampleType (143.0));
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}
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beginTest ("Negative abs min max");
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{
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resetBlocks();
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otherBlock.negate();
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block.add (otherBlock);
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expect (block.getSample (0, 4) == SampleType (10.0));
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expect (block.getSample (1, 4) == SampleType (22.0));
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block.replaceWithNegativeOf (otherBlock);
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expect (block.getSample (0, 4) == SampleType (-5.0));
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expect (block.getSample (1, 4) == SampleType (-11.0));
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block.clear();
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otherBlock.negate();
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block.replaceWithAbsoluteValueOf (otherBlock);
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expect (block.getSample (0, 4) == SampleType (5.0));
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expect (block.getSample (1, 4) == SampleType (11.0));
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resetBlocks();
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block.replaceWithMinOf (block, otherBlock);
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expect (block.getSample (0, 4) == SampleType (-5.0));
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expect (block.getSample (1, 4) == SampleType (-11.0));
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resetBlocks();
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block.replaceWithMaxOf (block, otherBlock);
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expect (block.getSample (0, 4) == SampleType (5.0));
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expect (block.getSample (1, 4) == SampleType (11.0));
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resetBlocks();
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auto range = block.findMinAndMax();
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expect (SampleType (range.getStart()) == SampleType (1.0));
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expect (SampleType (range.getEnd()) == SampleType (12.0));
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}
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beginTest ("Operators");
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{
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resetBlocks();
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block += (NumericType) 10.0;
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expect (block.getSample (0, 4) == SampleType (15.0));
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expect (block.getSample (1, 4) == SampleType (21.0));
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block += otherBlock;
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expect (block.getSample (0, 4) == SampleType (10.0));
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expect (block.getSample (1, 4) == SampleType (10.0));
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resetBlocks();
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block -= (NumericType) 10.0;
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expect (block.getSample (0, 4) == SampleType (-5.0));
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expect (block.getSample (1, 4) == SampleType (1.0));
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block -= otherBlock;
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expect (block.getSample (0, 4) == SampleType (0.0));
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expect (block.getSample (1, 4) == SampleType (12.0));
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resetBlocks();
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block *= (NumericType) 10.0;
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expect (block.getSample (0, 4) == SampleType (50.0));
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expect (block.getSample (1, 4) == SampleType (110.0));
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block *= otherBlock;
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expect (block.getSample (0, 4) == SampleType (-250.0));
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expect (block.getSample (1, 4) == SampleType (-1210.0));
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}
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beginTest ("Process");
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{
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resetBlocks();
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AudioBlock<SampleType>::process (block, otherBlock, [] (SampleType x) { return x + (NumericType) 1.0; });
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expect (otherBlock.getSample (0, 4) == SampleType (6.0));
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expect (otherBlock.getSample (1, 4) == SampleType (12.0));
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}
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beginTest ("Copying");
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{
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resetBlocks();
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copyingTests();
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}
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beginTest ("Smoothing");
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{
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resetBlocks();
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smoothedValueTests();
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}
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}
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private:
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//==============================================================================
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template <typename T>
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using ScalarVoid = typename std::enable_if_t < std::is_scalar <T>::value, void>;
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template <typename T>
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using SIMDVoid = typename std::enable_if_t <! std::is_scalar <T>::value, void>;
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//==============================================================================
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template <typename T = SampleType>
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ScalarVoid<T> copyingTests()
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{
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auto unchangedElement1 = block.getSample (0, 4);
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auto unchangedElement2 = block.getSample (1, 1);
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AudioBuffer<SampleType> otherBuffer (otherData.data(), (int) otherData.size(), numSamples);
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block.copyFrom (otherBuffer, 1, 2, 2);
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expectEquals (block.getSample (0, 4), unchangedElement1);
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expectEquals (block.getSample (1, 1), unchangedElement2);
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expectEquals (block.getSample (0, 2), otherBuffer.getSample (0, 1));
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expectEquals (block.getSample (1, 3), otherBuffer.getSample (1, 2));
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resetBlocks();
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unchangedElement1 = otherBuffer.getSample (0, 4);
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unchangedElement2 = otherBuffer.getSample (1, 3);
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block.copyTo (otherBuffer, 2, 1, 2);
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expectEquals (otherBuffer.getSample (0, 4), unchangedElement1);
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expectEquals (otherBuffer.getSample (1, 3), unchangedElement2);
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expectEquals (otherBuffer.getSample (0, 1), block.getSample (0, 2));
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expectEquals (otherBuffer.getSample (1, 2), block.getSample (1, 3));
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}
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#if JUCE_USE_SIMD
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template <typename T = SampleType>
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SIMDVoid<T> copyingTests()
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{
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auto numSIMDElements = SIMDRegister<NumericType>::SIMDNumElements;
|
||
|
|
AudioBuffer<NumericType> numericData ((int) block.getNumChannels(),
|
||
|
|
(int) (block.getNumSamples() * numSIMDElements));
|
||
|
|
|
||
|
|
for (int c = 0; c < numericData.getNumChannels(); ++c)
|
||
|
|
std::fill_n (numericData.getWritePointer (c), numericData.getNumSamples(), (NumericType) 1.0);
|
||
|
|
|
||
|
|
numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 0.127, (NumericType) 17.3);
|
||
|
|
|
||
|
|
auto lastUnchangedIndexBeforeCopiedRange = (int) ((numSIMDElements * 2) - 1);
|
||
|
|
auto firstUnchangedIndexAfterCopiedRange = (int) ((numSIMDElements * 4) + 1);
|
||
|
|
auto unchangedElement1 = numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange);
|
||
|
|
auto unchangedElement2 = numericData.getSample (1, firstUnchangedIndexAfterCopiedRange);
|
||
|
|
|
||
|
|
block.copyTo (numericData, 1, 2, 2);
|
||
|
|
|
||
|
|
expectEquals (numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange), unchangedElement1);
|
||
|
|
expectEquals (numericData.getSample (1, firstUnchangedIndexAfterCopiedRange), unchangedElement2);
|
||
|
|
expect (SampleType (numericData.getSample (0, 2 * (int) numSIMDElements)) == block.getSample (0, 1));
|
||
|
|
expect (SampleType (numericData.getSample (1, 3 * (int) numSIMDElements)) == block.getSample (1, 2));
|
||
|
|
|
||
|
|
numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 15.1, (NumericType) 0.7);
|
||
|
|
|
||
|
|
auto unchangedSIMDElement1 = block.getSample (0, 1);
|
||
|
|
auto unchangedSIMDElement2 = block.getSample (1, 4);
|
||
|
|
|
||
|
|
block.copyFrom (numericData, 1, 2, 2);
|
||
|
|
|
||
|
|
expect (block.getSample (0, 1) == unchangedSIMDElement1);
|
||
|
|
expect (block.getSample (1, 4) == unchangedSIMDElement2);
|
||
|
|
expectEquals (block.getSample (0, 2).get (0), numericData.getSample (0, (int) numSIMDElements));
|
||
|
|
expectEquals (block.getSample (1, 3).get (0), numericData.getSample (1, (int) (numSIMDElements * 2)));
|
||
|
|
|
||
|
|
if (numSIMDElements > 1)
|
||
|
|
{
|
||
|
|
expectEquals (block.getSample (0, 2).get (1), numericData.getSample (0, (int) (numSIMDElements + 1)));
|
||
|
|
expectEquals (block.getSample (1, 3).get (1), numericData.getSample (1, (int) ((numSIMDElements * 2) + 1)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
template <typename T = SampleType>
|
||
|
|
ScalarVoid<T> smoothedValueTests()
|
||
|
|
{
|
||
|
|
block.fill ((SampleType) 1.0);
|
||
|
|
SmoothedValue<SampleType> sv { (SampleType) 1.0 };
|
||
|
|
sv.reset (1, 4);
|
||
|
|
sv.setTargetValue ((SampleType) 0.0);
|
||
|
|
|
||
|
|
block.multiplyBy (sv);
|
||
|
|
expect (block.getSample (0, 2) < (SampleType) 1.0);
|
||
|
|
expect (block.getSample (1, 2) < (SampleType) 1.0);
|
||
|
|
expect (block.getSample (0, 2) > (SampleType) 0.0);
|
||
|
|
expect (block.getSample (1, 2) > (SampleType) 0.0);
|
||
|
|
expectEquals (block.getSample (0, 5), (SampleType) 0.0);
|
||
|
|
expectEquals (block.getSample (1, 5), (SampleType) 0.0);
|
||
|
|
|
||
|
|
sv.setCurrentAndTargetValue (-1.0f);
|
||
|
|
sv.setTargetValue (0.0f);
|
||
|
|
otherBlock.fill (-1.0f);
|
||
|
|
block.replaceWithProductOf (otherBlock, sv);
|
||
|
|
expect (block.getSample (0, 2) < (SampleType) 1.0);
|
||
|
|
expect (block.getSample (1, 2) < (SampleType) 1.0);
|
||
|
|
expect (block.getSample (0, 2) > (SampleType) 0.0);
|
||
|
|
expect (block.getSample (1, 2) > (SampleType) 0.0);
|
||
|
|
expectEquals (block.getSample (0, 5), (SampleType) 0.0);
|
||
|
|
expectEquals (block.getSample (1, 5), (SampleType) 0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T = SampleType>
|
||
|
|
SIMDVoid<T> smoothedValueTests() {}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
void resetBlocks()
|
||
|
|
{
|
||
|
|
auto value = SampleType (1.0);
|
||
|
|
|
||
|
|
for (size_t c = 0; c < block.getNumChannels(); ++c)
|
||
|
|
{
|
||
|
|
for (size_t i = 0; i < block.getNumSamples(); ++i)
|
||
|
|
{
|
||
|
|
block.setSample ((int) c, (int) i, value);
|
||
|
|
value += SampleType (1.0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
otherBlock.replaceWithNegativeOf (block);
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
static SampleType* allocateAlignedMemory (int numSamplesToAllocate)
|
||
|
|
{
|
||
|
|
auto alignmentLowerBound = std::alignment_of<SampleType>::value;
|
||
|
|
#if ! JUCE_WINDOWS
|
||
|
|
alignmentLowerBound = jmax (sizeof (void*), alignmentLowerBound);
|
||
|
|
#endif
|
||
|
|
auto alignmentOrder = std::ceil (std::log2 (alignmentLowerBound));
|
||
|
|
auto requiredAlignment = (size_t) std::pow (2, alignmentOrder);
|
||
|
|
|
||
|
|
auto size = (size_t) numSamplesToAllocate * sizeof (SampleType);
|
||
|
|
|
||
|
|
#if JUCE_WINDOWS
|
||
|
|
auto* memory = _aligned_malloc (size, requiredAlignment);
|
||
|
|
#else
|
||
|
|
void* memory;
|
||
|
|
auto result = posix_memalign (&memory, requiredAlignment, size);
|
||
|
|
|
||
|
|
if (result != 0)
|
||
|
|
{
|
||
|
|
jassertfalse;
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return static_cast<SampleType*> (memory);
|
||
|
|
}
|
||
|
|
|
||
|
|
void deallocateAlignedMemory (void* address)
|
||
|
|
{
|
||
|
|
#if JUCE_WINDOWS
|
||
|
|
_aligned_free (address);
|
||
|
|
#else
|
||
|
|
free (address);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
static constexpr int numChannels = 2, numSamples = 6;
|
||
|
|
std::array<SampleType*, numChannels> data, otherData;
|
||
|
|
AudioBlock<SampleType> block, otherBlock;
|
||
|
|
};
|
||
|
|
|
||
|
|
static AudioBlockUnitTests<float> audioBlockFloatUnitTests;
|
||
|
|
static AudioBlockUnitTests<double> audioBlockDoubleUnitTests;
|
||
|
|
|
||
|
|
#if JUCE_USE_SIMD
|
||
|
|
static AudioBlockUnitTests<SIMDRegister<float>> audioBlockSIMDFloatUnitTests;
|
||
|
|
static AudioBlockUnitTests<SIMDRegister<double>> audioBlockSIMDDoubleUnitTests;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
} // namespace dsp
|
||
|
|
} // namespace juce
|