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AudioProcessorPlayer: Refactor test to allow easier testing of arbitrary i/o combinations

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reuk 2024-10-29 18:46:54 +00:00
parent 167f846565
commit 8b85a62298
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1 changed files with 52 additions and 49 deletions
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101
modules/juce_audio_utils/players/juce_AudioProcessorPlayer.cpp
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@ -416,71 +416,74 @@ void AudioProcessorPlayer::handleIncomingMidiMessage (MidiInput*, const MidiMess
struct AudioProcessorPlayerTests final : public UnitTest
{
struct Layout
{
int numIns, numOuts;
};
AudioProcessorPlayerTests()
: UnitTest ("AudioProcessorPlayer", UnitTestCategories::audio) {}
void runTest() override
{
struct Layout
{
int numIns, numOuts;
};
const Layout processorLayouts[] { Layout { 0, 0 },
Layout { 1, 1 },
Layout { 4, 4 },
Layout { 4, 8 },
Layout { 8, 4 } };
beginTest ("Buffers are prepared correctly for a variety of channel layouts");
{
const Layout processorLayouts[] { Layout { 0, 0 },
Layout { 1, 1 },
Layout { 4, 4 },
Layout { 4, 8 },
Layout { 8, 4 } };
for (const auto& layout : processorLayouts)
{
for (const auto numSystemInputs : { 0, 1, layout.numIns })
{
const int numSamples = 256;
const auto systemIns = getTestBuffer (numSystemInputs, numSamples);
auto systemOuts = getTestBuffer (layout.numOuts, numSamples);
AudioBuffer<float> tempBuffer (jmax (layout.numIns, layout.numOuts), numSamples);
std::vector<float*> channels ((size_t) jmax (layout.numIns, layout.numOuts), nullptr);
initialiseIoBuffers ({ systemIns.getArrayOfReadPointers(), (size_t) systemIns.getNumChannels() },
{ systemOuts.getArrayOfWritePointers(), (size_t) systemOuts.getNumChannels() },
numSamples,
(size_t) layout.numIns,
(size_t) layout.numOuts,
tempBuffer,
channels);
int channelIndex = 0;
for (const auto& channel : channels)
{
const auto value = [&]
{
// Any channels past the number of inputs should be silent.
if (layout.numIns <= channelIndex)
return 0.0f;
// If there's no input, all input channels should be silent.
if (numSystemInputs == 0) return 0.0f;
// If there's one input, all input channels should copy from that input.
if (numSystemInputs == 1) return 1.0f;
// Otherwise, each processor input should match the corresponding system input.
return (float) (channelIndex + 1);
}();
expect (FloatVectorOperations::findMinAndMax (channel, numSamples) == Range<float> (value, value));
channelIndex += 1;
}
runTest ({ numSystemInputs, layout.numOuts }, layout);
}
}
}
}
void runTest (Layout systemLayout, Layout processorLayout)
{
const int numSamples = 256;
const auto systemIns = getTestBuffer (systemLayout.numIns, numSamples);
auto systemOuts = getTestBuffer (systemLayout.numOuts, numSamples);
AudioBuffer<float> tempBuffer (jmax (processorLayout.numIns, processorLayout.numOuts), numSamples);
std::vector<float*> channels ((size_t) tempBuffer.getNumChannels());
initialiseIoBuffers ({ systemIns.getArrayOfReadPointers(), (size_t) systemIns.getNumChannels() },
{ systemOuts.getArrayOfWritePointers(), (size_t) systemOuts.getNumChannels() },
numSamples,
(size_t) processorLayout.numIns,
(size_t) processorLayout.numOuts,
tempBuffer,
channels);
for (const auto [index, channel] : enumerate (channels, int{}))
{
const auto value = [&, channelIndex = index]
{
// Any channels past the number of inputs should be silent.
if (processorLayout.numIns <= channelIndex)
return 0.0f;
// If there's no input, all input channels should be silent.
if (systemLayout.numIns == 0)
return 0.0f;
// If there's one input, all input channels should copy from that input.
if (systemLayout.numIns == 1)
return 1.0f;
// Otherwise, each processor input should match the corresponding system input.
return (float) (channelIndex + 1);
}();
expect (FloatVectorOperations::findMinAndMax (channel, numSamples) == Range<float> (value, value));
}
}
static AudioBuffer<float> getTestBuffer (int numChannels, int numSamples)
{
AudioBuffer<float> result (numChannels, numSamples);