32template <
typename SampleType>
33class AudioBlockUnitTests :
public UnitTest
37 using NumericType =
typename SampleTypeHelpers::ElementType<SampleType>::Type;
40 :
UnitTest (
"AudioBlock", UnitTestCategories::dsp)
42 for (
auto v : { &data, &otherData })
43 for (
auto& channel : *v)
44 channel = allocateAlignedMemory (numSamples);
46 block = { data.data(), data.size(), (size_t) numSamples };
47 otherBlock = { otherData.data(), otherData.size(), (size_t) numSamples };
52 ~AudioBlockUnitTests()
override
54 for (
auto v : { &data, &otherData })
55 for (
auto channel : *v)
56 deallocateAlignedMemory (channel);
59 void runTest()
override
64 expect (block != otherBlock);
69 expect (block == AudioBlock<SampleType> (data.data(), data.size(), numSamples));
70 expect (block == AudioBlock<SampleType> (data.data(), data.size(), (
size_t) 0, numSamples));
71 expect (block == AudioBlock<SampleType> (block));
73 expect (block == AudioBlock<const SampleType> (data.data(), data.size(), numSamples));
74 expect (block == AudioBlock<const SampleType> (data.data(), data.size(), (
size_t) 0, numSamples));
75 expect (block == AudioBlock<const SampleType> (block));
82 expect (block != otherBlock);
83 expect (block.getSample (0, 0) == SampleType (1.0));
84 expect (block.getSample (0, 4) == SampleType (5.0));
85 expect (otherBlock.getSample (0, 0) == SampleType (-1.0));
86 expect (otherBlock.getSample (0, 3) == SampleType (-4.0));
88 block.swap (otherBlock);
90 expect (block != otherBlock);
91 expect (otherBlock.getSample (0, 0) == SampleType (1.0));
92 expect (otherBlock.getSample (0, 4) == SampleType (5.0));
93 expect (block.getSample (0, 0) == SampleType (-1.0));
94 expect (block.getSample (0, 3) == SampleType (-4.0));
96 block.swap (otherBlock);
98 expect (block.getSample (0, 0) == SampleType (1.0));
99 expect (block.getSample (0, 4) == SampleType (5.0));
100 expect (otherBlock.getSample (0, 0) == SampleType (-1.0));
101 expect (otherBlock.getSample (0, 3) == SampleType (-4.0));
108 expectEquals ((
int) block.getNumChannels(), (
int) data.size());
111 expect (block.getChannelPointer (0)[2] == SampleType (3.0));
112 block.getChannelPointer (0)[2] = SampleType (999.0);
113 expect (block.getChannelPointer (0)[2] == SampleType (999.0));
115 expect (block.getSample (0, 4) == SampleType (5.0));
116 expect (block.getSample (1, 4) == SampleType (11.0));
118 expect (block.getSingleChannelBlock (1).getSample (0, 3) == block.getSample (1, 3));
120 expect (block.getSubsetChannelBlock (0, 2).getSample (1, 3) == block.getSample (1, 3));
121 expect (block.getSubsetChannelBlock (1, 1).getSample (0, 3) == block.getSample (1, 3));
123 block.setSample (1, 1, SampleType (777.0));
124 expect (block.getSample (1, 1) == SampleType (777.0));
126 block.addSample (1, 1, SampleType (1.0));
127 expect (block.getSample (1, 1) == SampleType (778.0));
133 expect (block.getSample (0, 2) == SampleType (0.0));
134 expect (block.getSample (1, 4) == SampleType (0.0));
136 block.fill ((NumericType) 456.0);
137 expect (block.getSample (0, 2) == SampleType (456.0));
138 expect (block.getSample (1, 4) == SampleType (456.0));
140 block.copyFrom (otherBlock);
141 expect (block != otherBlock);
142 expect (block.getSample (0, 2) == otherBlock.getSample (0, 2));
143 expect (block.getSample (1, 4) == otherBlock.getSample (1, 4));
147 SampleType testSample1 = block.getSample (0, 2);
148 SampleType testSample2 = block.getSample (1, 3);
149 expect (testSample1 != block.getSample (0, 4));
150 expect (testSample2 != block.getSample (1, 5));
152 expect (block.getSample (0, 4) == testSample1);
153 expect (block.getSample (1, 5) == testSample2);
160 block.add ((NumericType) 15.0);
161 expect (block.getSample (0, 4) == SampleType (20.0));
162 expect (block.getSample (1, 4) == SampleType (26.0));
164 block.add (otherBlock);
165 expect (block.getSample (0, 4) == SampleType (15.0));
166 expect (block.getSample (1, 4) == SampleType (15.0));
168 block.replaceWithSumOf (otherBlock, (NumericType) 9.0);
169 expect (block.getSample (0, 4) == SampleType (4.0));
170 expect (block.getSample (1, 4) == SampleType (-2.0));
174 block.replaceWithSumOf (block, otherBlock);
175 expect (block.getSample (0, 4) == SampleType (0.0));
176 expect (block.getSample (1, 4) == SampleType (0.0));
183 block.subtract ((NumericType) 15.0);
184 expect (block.getSample (0, 4) == SampleType (-10.0));
185 expect (block.getSample (1, 4) == SampleType (-4.0));
187 block.subtract (otherBlock);
188 expect (block.getSample (0, 4) == SampleType (-5.0));
189 expect (block.getSample (1, 4) == SampleType (7.0));
191 block.replaceWithDifferenceOf (otherBlock, (NumericType) 9.0);
192 expect (block.getSample (0, 4) == SampleType (-14.0));
193 expect (block.getSample (1, 4) == SampleType (-20.0));
197 block.replaceWithDifferenceOf (block, otherBlock);
198 expect (block.getSample (0, 4) == SampleType (10.0));
199 expect (block.getSample (1, 4) == SampleType (22.0));
206 block.multiplyBy ((NumericType) 10.0);
207 expect (block.getSample (0, 4) == SampleType (50.0));
208 expect (block.getSample (1, 4) == SampleType (110.0));
210 block.multiplyBy (otherBlock);
211 expect (block.getSample (0, 4) == SampleType (-250.0));
212 expect (block.getSample (1, 4) == SampleType (-1210.0));
214 block.replaceWithProductOf (otherBlock, (NumericType) 3.0);
215 expect (block.getSample (0, 4) == SampleType (-15.0));
216 expect (block.getSample (1, 4) == SampleType (-33.0));
220 block.replaceWithProductOf (block, otherBlock);
221 expect (block.getSample (0, 4) == SampleType (-25.0));
222 expect (block.getSample (1, 4) == SampleType (-121.0));
229 block.addProductOf (otherBlock, (NumericType) -1.0);
230 expect (block.getSample (0, 4) == SampleType (10.0));
231 expect (block.getSample (1, 4) == SampleType (22.0));
233 block.addProductOf (otherBlock, otherBlock);
234 expect (block.getSample (0, 4) == SampleType (35.0));
235 expect (block.getSample (1, 4) == SampleType (143.0));
243 block.add (otherBlock);
244 expect (block.getSample (0, 4) == SampleType (10.0));
245 expect (block.getSample (1, 4) == SampleType (22.0));
247 block.replaceWithNegativeOf (otherBlock);
248 expect (block.getSample (0, 4) == SampleType (-5.0));
249 expect (block.getSample (1, 4) == SampleType (-11.0));
253 block.replaceWithAbsoluteValueOf (otherBlock);
254 expect (block.getSample (0, 4) == SampleType (5.0));
255 expect (block.getSample (1, 4) == SampleType (11.0));
258 block.replaceWithMinOf (block, otherBlock);
259 expect (block.getSample (0, 4) == SampleType (-5.0));
260 expect (block.getSample (1, 4) == SampleType (-11.0));
263 block.replaceWithMaxOf (block, otherBlock);
264 expect (block.getSample (0, 4) == SampleType (5.0));
265 expect (block.getSample (1, 4) == SampleType (11.0));
268 auto range = block.findMinAndMax();
269 expect (SampleType (range.getStart()) == SampleType (1.0));
270 expect (SampleType (range.getEnd()) == SampleType (12.0));
276 block += (NumericType) 10.0;
277 expect (block.getSample (0, 4) == SampleType (15.0));
278 expect (block.getSample (1, 4) == SampleType (21.0));
280 expect (block.getSample (0, 4) == SampleType (10.0));
281 expect (block.getSample (1, 4) == SampleType (10.0));
284 block -= (NumericType) 10.0;
285 expect (block.getSample (0, 4) == SampleType (-5.0));
286 expect (block.getSample (1, 4) == SampleType (1.0));
288 expect (block.getSample (0, 4) == SampleType (0.0));
289 expect (block.getSample (1, 4) == SampleType (12.0));
292 block *= (NumericType) 10.0;
293 expect (block.getSample (0, 4) == SampleType (50.0));
294 expect (block.getSample (1, 4) == SampleType (110.0));
296 expect (block.getSample (0, 4) == SampleType (-250.0));
297 expect (block.getSample (1, 4) == SampleType (-1210.0));
304 expect (otherBlock.getSample (0, 4) == SampleType (6.0));
305 expect (otherBlock.getSample (1, 4) == SampleType (12.0));
317 smoothedValueTests();
323 template <
typename T>
324 using ScalarVoid =
typename std::enable_if_t < std::is_scalar <T>::value,
void>;
326 template <
typename T>
327 using SIMDVoid =
typename std::enable_if_t <! std::is_scalar <T>::value,
void>;
330 template <
typename T = SampleType>
331 ScalarVoid<T> copyingTests()
333 auto unchangedElement1 = block.getSample (0, 4);
334 auto unchangedElement2 = block.getSample (1, 1);
336 AudioBuffer<SampleType> otherBuffer (otherData.data(), (
int) otherData.size(), numSamples);
338 block.copyFrom (otherBuffer, 1, 2, 2);
340 expectEquals (block.getSample (0, 4), unchangedElement1);
341 expectEquals (block.getSample (1, 1), unchangedElement2);
342 expectEquals (block.getSample (0, 2), otherBuffer.getSample (0, 1));
343 expectEquals (block.getSample (1, 3), otherBuffer.getSample (1, 2));
347 unchangedElement1 = otherBuffer.getSample (0, 4);
348 unchangedElement2 = otherBuffer.getSample (1, 3);
350 block.copyTo (otherBuffer, 2, 1, 2);
352 expectEquals (otherBuffer.getSample (0, 4), unchangedElement1);
353 expectEquals (otherBuffer.getSample (1, 3), unchangedElement2);
354 expectEquals (otherBuffer.getSample (0, 1), block.getSample (0, 2));
355 expectEquals (otherBuffer.getSample (1, 2), block.getSample (1, 3));
358 template <
typename T = SampleType>
359 SIMDVoid<T> copyingTests()
362 AudioBuffer<NumericType> numericData ((
int) block.getNumChannels(),
363 (
int) (block.getNumSamples() * numSIMDElements));
365 for (
int c = 0; c < numericData.getNumChannels(); ++c)
366 std::fill_n (numericData.getWritePointer (c), numericData.getNumSamples(), (NumericType) 1.0);
368 numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 0.127, (NumericType) 17.3);
370 auto lastUnchangedIndexBeforeCopiedRange = (int) ((numSIMDElements * 2) - 1);
371 auto firstUnchangedIndexAfterCopiedRange = (int) ((numSIMDElements * 4) + 1);
372 auto unchangedElement1 = numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange);
373 auto unchangedElement2 = numericData.getSample (1, firstUnchangedIndexAfterCopiedRange);
375 block.copyTo (numericData, 1, 2, 2);
377 expectEquals (numericData.getSample (0, lastUnchangedIndexBeforeCopiedRange), unchangedElement1);
378 expectEquals (numericData.getSample (1, firstUnchangedIndexAfterCopiedRange), unchangedElement2);
379 expect (SampleType (numericData.getSample (0, 2 * (
int) numSIMDElements)) == block.getSample (0, 1));
380 expect (SampleType (numericData.getSample (1, 3 * (
int) numSIMDElements)) == block.getSample (1, 2));
382 numericData.applyGainRamp (0, numericData.getNumSamples(), (NumericType) 15.1, (NumericType) 0.7);
384 auto unchangedSIMDElement1 = block.getSample (0, 1);
385 auto unchangedSIMDElement2 = block.getSample (1, 4);
387 block.copyFrom (numericData, 1, 2, 2);
389 expect (block.getSample (0, 1) == unchangedSIMDElement1);
390 expect (block.getSample (1, 4) == unchangedSIMDElement2);
391 expectEquals (block.getSample (0, 2).get (0), numericData.getSample (0, (
int) numSIMDElements));
392 expectEquals (block.getSample (1, 3).get (0), numericData.getSample (1, (
int) (numSIMDElements * 2)));
394 if (numSIMDElements > 1)
396 expectEquals (block.getSample (0, 2).get (1), numericData.getSample (0, (
int) (numSIMDElements + 1)));
397 expectEquals (block.getSample (1, 3).get (1), numericData.getSample (1, (
int) ((numSIMDElements * 2) + 1)));
402 template <
typename T = SampleType>
403 ScalarVoid<T> smoothedValueTests()
405 block.fill ((SampleType) 1.0);
406 SmoothedValue<SampleType> sv { (SampleType) 1.0 };
408 sv.setTargetValue ((SampleType) 0.0);
410 block.multiplyBy (sv);
411 expect (block.getSample (0, 2) < (SampleType) 1.0);
412 expect (block.getSample (1, 2) < (SampleType) 1.0);
413 expect (block.getSample (0, 2) > (SampleType) 0.0);
414 expect (block.getSample (1, 2) > (SampleType) 0.0);
415 expectEquals (block.getSample (0, 5), (SampleType) 0.0);
416 expectEquals (block.getSample (1, 5), (SampleType) 0.0);
418 sv.setCurrentAndTargetValue (-1.0f);
419 sv.setTargetValue (0.0f);
420 otherBlock.fill (-1.0f);
421 block.replaceWithProductOf (otherBlock, sv);
422 expect (block.getSample (0, 2) < (SampleType) 1.0);
423 expect (block.getSample (1, 2) < (SampleType) 1.0);
424 expect (block.getSample (0, 2) > (SampleType) 0.0);
425 expect (block.getSample (1, 2) > (SampleType) 0.0);
426 expectEquals (block.getSample (0, 5), (SampleType) 0.0);
427 expectEquals (block.getSample (1, 5), (SampleType) 0.0);
430 template <
typename T = SampleType>
431 SIMDVoid<T> smoothedValueTests() {}
436 auto value = SampleType (1.0);
438 for (
size_t c = 0; c < block.getNumChannels(); ++c)
440 for (
size_t i = 0; i < block.getNumSamples(); ++i)
442 block.setSample ((
int) c, (
int) i, value);
443 value += SampleType (1.0);
447 otherBlock.replaceWithNegativeOf (block);
451 static SampleType* allocateAlignedMemory (
int numSamplesToAllocate)
453 auto alignmentLowerBound = std::alignment_of<SampleType>::value;
455 alignmentLowerBound = jmax (
sizeof (
void*), alignmentLowerBound);
457 auto alignmentOrder = std::ceil (std::log2 (alignmentLowerBound));
458 auto requiredAlignment = (size_t) std::pow (2, alignmentOrder);
460 auto size = (size_t) numSamplesToAllocate *
sizeof (SampleType);
463 auto* memory = _aligned_malloc (size, requiredAlignment);
466 auto result = posix_memalign (&memory, requiredAlignment, size);
475 return static_cast<SampleType*
> (memory);
478 void deallocateAlignedMemory (
void* address)
481 _aligned_free (address);
488 static constexpr int numChannels = 2, numSamples = 6;
489 std::array<SampleType*, numChannels> data, otherData;
490 AudioBlock<SampleType> block, otherBlock;
493static AudioBlockUnitTests<float> audioBlockFloatUnitTests;
494static AudioBlockUnitTests<double> audioBlockDoubleUnitTests;
495static AudioBlockUnitTests<SIMDRegister<float>> audioBlockSIMDFloatUnitTests;
496static 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())
static void process(AudioBlock< Src1SampleType > inBlock, AudioBlock< Src2SampleType > outBlock, FunctionType &&function)
static constexpr size_t SIMDNumElements