30template <
typename SampleType>
34template <
typename SampleType>
35class AudioBlockUnitTests final :
public UnitTest
39 using NumericType =
typename SampleTypeHelpers::ElementType<SampleType>::Type;
42 :
UnitTest (
"AudioBlock", UnitTestCategories::dsp)
44 for (
auto v : { &data, &otherData })
45 for (
auto& channel : *v)
46 channel = allocateAlignedMemory (numSamples);
48 block = { data.data(), data.size(), (size_t) numSamples };
49 otherBlock = { otherData.data(), otherData.size(), (size_t) numSamples };
54 ~AudioBlockUnitTests()
override
56 for (
auto v : { &data, &otherData })
57 for (
auto channel : *v)
58 deallocateAlignedMemory (channel);
66 expect (block != otherBlock);
71 expect (block == AudioBlock<SampleType> (data.data(), data.size(), numSamples));
72 expect (block == AudioBlock<SampleType> (data.data(), data.size(), (
size_t) 0, numSamples));
73 expect (block == AudioBlock<SampleType> (block));
75 expect (block == AudioBlock<const SampleType> (data.data(), data.size(), numSamples));
76 expect (block == AudioBlock<const SampleType> (data.data(), data.size(), (
size_t) 0, numSamples));
77 expect (block == AudioBlock<const SampleType> (block));
84 expect (block != otherBlock);
87 expectEquals (otherBlock.getSample (0, 0), SampleType (-1.0));
88 expectEquals (otherBlock.getSample (0, 3), SampleType (-4.0));
90 block.swap (otherBlock);
92 expect (block != otherBlock);
93 expectEquals (otherBlock.getSample (0, 0), SampleType (1.0));
94 expectEquals (otherBlock.getSample (0, 4), SampleType (5.0));
95 expectEquals (block.getSample (0, 0), SampleType (-1.0));
96 expectEquals (block.getSample (0, 3), SampleType (-4.0));
98 block.swap (otherBlock);
100 expectEquals (block.getSample (0, 0), SampleType (1.0));
101 expectEquals (block.getSample (0, 4), SampleType (5.0));
102 expectEquals (otherBlock.getSample (0, 0), SampleType (-1.0));
103 expectEquals (otherBlock.getSample (0, 3), SampleType (-4.0));
110 expectEquals ((
int) block.getNumChannels(), (
int) data.size());
113 expectEquals (block.getChannelPointer (0)[2], SampleType (3.0));
114 block.getChannelPointer (0)[2] = SampleType (999.0);
115 expectEquals (block.getChannelPointer (0)[2], SampleType (999.0));
117 expectEquals (block.getSample (0, 4), SampleType (5.0));
118 expectEquals (block.getSample (1, 4), SampleType (11.0));
120 expectEquals (block.getSingleChannelBlock (1).getSample (0, 3), block.getSample (1, 3));
122 expectEquals (block.getSubsetChannelBlock (0, 2).getSample (1, 3), block.getSample (1, 3));
123 expectEquals (block.getSubsetChannelBlock (1, 1).getSample (0, 3), block.getSample (1, 3));
125 block.setSample (1, 1, SampleType (777.0));
126 expectEquals (block.getSample (1, 1), SampleType (777.0));
128 block.addSample (1, 1, SampleType (1.0));
129 expectEquals (block.getSample (1, 1), SampleType (778.0));
135 expectEquals (block.getSample (0, 2), SampleType (0.0));
136 expectEquals (block.getSample (1, 4), SampleType (0.0));
138 block.fill ((NumericType) 456.0);
139 expectEquals (block.getSample (0, 2), SampleType (456.0));
140 expectEquals (block.getSample (1, 4), SampleType (456.0));
142 block.copyFrom (otherBlock);
143 expect (block != otherBlock);
144 expectEquals (block.getSample (0, 2), otherBlock.getSample (0, 2));
145 expectEquals (block.getSample (1, 4), otherBlock.getSample (1, 4));
149 SampleType testSample1 = block.getSample (0, 2);
150 SampleType testSample2 = block.getSample (1, 3);
162 block.add ((NumericType) 15.0);
163 expectEquals (block.getSample (0, 4), SampleType (20.0));
164 expectEquals (block.getSample (1, 4), SampleType (26.0));
166 block.add (otherBlock);
167 expectEquals (block.getSample (0, 4), SampleType (15.0));
168 expectEquals (block.getSample (1, 4), SampleType (15.0));
170 block.replaceWithSumOf (otherBlock, (NumericType) 9.0);
171 expectEquals (block.getSample (0, 4), SampleType (4.0));
172 expectEquals (block.getSample (1, 4), SampleType (-2.0));
176 block.replaceWithSumOf (block, otherBlock);
177 expectEquals (block.getSample (0, 4), SampleType (0.0));
178 expectEquals (block.getSample (1, 4), SampleType (0.0));
185 block.subtract ((NumericType) 15.0);
186 expectEquals (block.getSample (0, 4), SampleType (-10.0));
187 expectEquals (block.getSample (1, 4), SampleType (-4.0));
189 block.subtract (otherBlock);
190 expectEquals (block.getSample (0, 4), SampleType (-5.0));
191 expectEquals (block.getSample (1, 4), SampleType (7.0));
193 block.replaceWithDifferenceOf (otherBlock, (NumericType) 9.0);
194 expectEquals (block.getSample (0, 4), SampleType (-14.0));
195 expectEquals (block.getSample (1, 4), SampleType (-20.0));
199 block.replaceWithDifferenceOf (block, otherBlock);
200 expectEquals (block.getSample (0, 4), SampleType (10.0));
201 expectEquals (block.getSample (1, 4), SampleType (22.0));
208 block.multiplyBy ((NumericType) 10.0);
209 expectEquals (block.getSample (0, 4), SampleType (50.0));
210 expectEquals (block.getSample (1, 4), SampleType (110.0));
212 block.multiplyBy (otherBlock);
213 expectEquals (block.getSample (0, 4), SampleType (-250.0));
214 expectEquals (block.getSample (1, 4), SampleType (-1210.0));
216 block.replaceWithProductOf (otherBlock, (NumericType) 3.0);
217 expectEquals (block.getSample (0, 4), SampleType (-15.0));
218 expectEquals (block.getSample (1, 4), SampleType (-33.0));
222 block.replaceWithProductOf (block, otherBlock);
223 expectEquals (block.getSample (0, 4), SampleType (-25.0));
224 expectEquals (block.getSample (1, 4), SampleType (-121.0));
231 block.addProductOf (otherBlock, (NumericType) -1.0);
232 expectEquals (block.getSample (0, 4), SampleType (10.0));
233 expectEquals (block.getSample (1, 4), SampleType (22.0));
235 block.addProductOf (otherBlock, otherBlock);
236 expectEquals (block.getSample (0, 4), SampleType (35.0));
237 expectEquals (block.getSample (1, 4), SampleType (143.0));
245 block.add (otherBlock);
246 expectEquals (block.getSample (0, 4), SampleType (10.0));
247 expectEquals (block.getSample (1, 4), SampleType (22.0));
249 block.replaceWithNegativeOf (otherBlock);
250 expectEquals (block.getSample (0, 4), SampleType (-5.0));
251 expectEquals (block.getSample (1, 4), SampleType (-11.0));
255 block.replaceWithAbsoluteValueOf (otherBlock);
256 expectEquals (block.getSample (0, 4), SampleType (5.0));
257 expectEquals (block.getSample (1, 4), SampleType (11.0));
260 block.replaceWithMinOf (block, otherBlock);
261 expectEquals (block.getSample (0, 4), SampleType (-5.0));
262 expectEquals (block.getSample (1, 4), SampleType (-11.0));
265 block.replaceWithMaxOf (block, otherBlock);
266 expectEquals (block.getSample (0, 4), SampleType (5.0));
267 expectEquals (block.getSample (1, 4), SampleType (11.0));
270 auto range = block.findMinAndMax();
271 expectEquals (SampleType (range.getStart()), SampleType (1.0));
272 expectEquals (SampleType (range.getEnd()), SampleType (12.0));
278 block += (NumericType) 10.0;
279 expectEquals (block.getSample (0, 4), SampleType (15.0));
280 expectEquals (block.getSample (1, 4), SampleType (21.0));
282 expectEquals (block.getSample (0, 4), SampleType (10.0));
283 expectEquals (block.getSample (1, 4), SampleType (10.0));
286 block -= (NumericType) 10.0;
287 expectEquals (block.getSample (0, 4), SampleType (-5.0));
288 expectEquals (block.getSample (1, 4), SampleType (1.0));
290 expectEquals (block.getSample (0, 4), SampleType (0.0));
291 expectEquals (block.getSample (1, 4), SampleType (12.0));
294 block *= (NumericType) 10.0;
295 expectEquals (block.getSample (0, 4), SampleType (50.0));
296 expectEquals (block.getSample (1, 4), SampleType (110.0));
298 expectEquals (block.getSample (0, 4), SampleType (-250.0));
299 expectEquals (block.getSample (1, 4), SampleType (-1210.0));
306 expectEquals (otherBlock.getSample (0, 4), SampleType (6.0));
307 expectEquals (otherBlock.getSample (1, 4), SampleType (12.0));
319 smoothedValueTests();
327 if constexpr (std::is_scalar_v<SampleType>)
329 auto unchangedElement1 = block.getSample (0, 4);
330 auto unchangedElement2 = block.getSample (1, 1);
332 AudioBuffer<SampleType> otherBuffer (otherData.data(), (
int) otherData.size(), numSamples);
334 block.copyFrom (otherBuffer, 1, 2, 2);
336 expectEquals (block.getSample (0, 4), unchangedElement1);
337 expectEquals (block.getSample (1, 1), unchangedElement2);
338 expectEquals (block.getSample (0, 2), otherBuffer.getSample (0, 1));
339 expectEquals (block.getSample (1, 3), otherBuffer.getSample (1, 2));
343 unchangedElement1 = otherBuffer.getSample (0, 4);
344 unchangedElement2 = otherBuffer.getSample (1, 3);
346 block.copyTo (otherBuffer, 2, 1, 2);
348 expectEquals (otherBuffer.getSample (0, 4), unchangedElement1);
349 expectEquals (otherBuffer.getSample (1, 3), unchangedElement2);
350 expectEquals (otherBuffer.getSample (0, 1), block.getSample (0, 2));
351 expectEquals (otherBuffer.getSample (1, 2), block.getSample (1, 3));
357 AudioBuffer<NumericType> numericData ((
int) block.getNumChannels(),
358 (
int) (block.getNumSamples() * numSIMDElements));
360 for (
int c = 0; c < numericData.getNumChannels(); ++c)
361 std::fill_n (numericData.getWritePointer (c), numericData.getNumSamples(), (NumericType) 1.0);
363 numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 0.127, (NumericType) 17.3);
365 auto lastUnchangedIndexBeforeCopiedRange = (int) ((numSIMDElements * 2) - 1);
366 auto firstUnchangedIndexAfterCopiedRange = (int) ((numSIMDElements * 4) + 1);
367 auto unchangedElement1 = numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange);
368 auto unchangedElement2 = numericData.getSample (1, firstUnchangedIndexAfterCopiedRange);
370 block.copyTo (numericData, 1, 2, 2);
372 expectEquals (numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange), unchangedElement1);
373 expectEquals (numericData.getSample (1, firstUnchangedIndexAfterCopiedRange), unchangedElement2);
374 expect (SampleType (numericData.getSample (0, 2 * (
int) numSIMDElements)) == block.getSample (0, 1));
375 expect (SampleType (numericData.getSample (1, 3 * (
int) numSIMDElements)) == block.getSample (1, 2));
377 numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 15.1, (NumericType) 0.7);
379 auto unchangedSIMDElement1 = block.getSample (0, 1);
380 auto unchangedSIMDElement2 = block.getSample (1, 4);
382 block.copyFrom (numericData, 1, 2, 2);
384 expect (block.getSample (0, 1) == unchangedSIMDElement1);
385 expect (block.getSample (1, 4) == unchangedSIMDElement2);
386 expectEquals (block.getSample (0, 2).get (0), numericData.getSample (0, (
int) numSIMDElements));
387 expectEquals (block.getSample (1, 3).get (0), numericData.getSample (1, (
int) (numSIMDElements * 2)));
389 if (numSIMDElements > 1)
391 expectEquals (block.getSample (0, 2).get (1), numericData.getSample (0, (
int) (numSIMDElements + 1)));
392 expectEquals (block.getSample (1, 3).get (1), numericData.getSample (1, (
int) ((numSIMDElements * 2) + 1)));
399 void smoothedValueTests()
401 if constexpr (std::is_scalar_v<SampleType>)
403 block.fill ((SampleType) 1.0);
404 SmoothedValue<SampleType> sv { (SampleType) 1.0 };
406 sv.setTargetValue ((SampleType) 0.0);
408 block.multiplyBy (sv);
409 expect (block.getSample (0, 2) < (SampleType) 1.0);
410 expect (block.getSample (1, 2) < (SampleType) 1.0);
411 expect (block.getSample (0, 2) > (SampleType) 0.0);
412 expect (block.getSample (1, 2) > (SampleType) 0.0);
413 expectEquals (block.getSample (0, 5), (SampleType) 0.0);
414 expectEquals (block.getSample (1, 5), (SampleType) 0.0);
416 sv.setCurrentAndTargetValue (-1.0f);
417 sv.setTargetValue (0.0f);
418 otherBlock.fill (-1.0f);
419 block.replaceWithProductOf (otherBlock, sv);
420 expect (block.getSample (0, 2) < (SampleType) 1.0);
421 expect (block.getSample (1, 2) < (SampleType) 1.0);
422 expect (block.getSample (0, 2) > (SampleType) 0.0);
423 expect (block.getSample (1, 2) > (SampleType) 0.0);
424 expectEquals (block.getSample (0, 5), (SampleType) 0.0);
425 expectEquals (block.getSample (1, 5), (SampleType) 0.0);
432 auto value = SampleType (1.0);
434 for (
size_t c = 0; c < block.getNumChannels(); ++c)
436 for (
size_t i = 0; i < block.getNumSamples(); ++i)
438 block.setSample ((
int) c, (
int) i, value);
439 value += SampleType (1.0);
443 otherBlock.replaceWithNegativeOf (block);
447 static SampleType* allocateAlignedMemory (
int numSamplesToAllocate)
449 auto alignmentLowerBound = std::alignment_of_v<SampleType>;
451 alignmentLowerBound = jmax (
sizeof (
void*), alignmentLowerBound);
453 auto alignmentOrder = std::ceil (std::log2 (alignmentLowerBound));
454 auto requiredAlignment = (size_t) std::pow (2, alignmentOrder);
456 auto size = (size_t) numSamplesToAllocate *
sizeof (SampleType);
459 auto* memory = _aligned_malloc (size, requiredAlignment);
462 auto result = posix_memalign (&memory, requiredAlignment, size);
471 return static_cast<SampleType*
> (memory);
474 void deallocateAlignedMemory (
void* address)
477 _aligned_free (address);
484 static constexpr int numChannels = 2, numSamples = 6;
485 std::array<SampleType*, numChannels> data, otherData;
486 AudioBlock<SampleType> block, otherBlock;
489static AudioBlockUnitTests<float> audioBlockFloatUnitTests;
490static AudioBlockUnitTests<double> audioBlockDoubleUnitTests;
493static AudioBlockUnitTests<SIMDRegister<float>> audioBlockSIMDFloatUnitTests;
494static AudioBlockUnitTests<SIMDRegister<double>> audioBlockSIMDDoubleUnitTests;
void expectEquals(ValueType actual, ValueType expected, String failureMessage=String())
UnitTest(const String &name, const String &category=String())
void beginTest(const String &testName)
void expect(bool testResult, const String &failureMessage=String())
void expectNotEquals(ValueType value, ValueType valueToCompareTo, String failureMessage=String())
static void process(AudioBlock< Src1SampleType > inBlock, AudioBlock< Src2SampleType > outBlock, FunctionType &&function)
static constexpr size_t SIMDNumElements