tests: Add a simple Renderer test

tests/CMakeLists.txt

@@ -14,3 +14,4 @@ endfunction()
 spaudio_add_test(TestInsideAngleRange)
 spaudio_add_test(TestAmbisonicShelfFilters)
 spaudio_add_test(TestAmbisonicDecoderPresets)
+spaudio_add_test(TestRenderer)

tests/TestRenderer.cpp

@@ -0,0 +1,71 @@
+#include "RendererMetadata.h"
+#undef NDEBUG
+#include <cassert>
+#include <iostream>
+#include <iomanip>
+#include <array>
+
+#include "Renderer.h"
+#include "LoudspeakerLayouts.h"
+
+int main() {
+    constexpr unsigned nSamples = 1024;
+    constexpr unsigned order = 1;
+    constexpr unsigned sampleRate = 48000;
+    constexpr spaudio::OutputLayout outputLayout = spaudio::OutputLayout::Binaural;
+    constexpr unsigned outputChannels = 2;
+
+    spaudio::StreamInformation streamInfo;
+    // 1 channel object (mono)
+    // 2 channels speaker (stereo)
+    streamInfo.nChannels = 3;
+    streamInfo.typeDefinition = {
+        spaudio::TypeDefinition::Objects,
+        spaudio::TypeDefinition::DirectSpeakers,
+        spaudio::TypeDefinition::DirectSpeakers,
+    };
+
+    spaudio::Renderer renderer;
+    renderer.Configure(outputLayout, order, sampleRate, nSamples, streamInfo, "", true);
+
+    std::array<float, nSamples> impulse;
+    impulse.fill(0.f);
+    impulse[0] = 1.f;
+
+    float** ldspkOut = new float* [outputChannels];
+    for (int iLdspk = 0; iLdspk < outputChannels; ++iLdspk)
+        ldspkOut[iLdspk] = new float[nSamples];
+
+    spaudio::ObjectMetadata objMetadata;
+    objMetadata.blockLength = nSamples;
+    objMetadata.trackInd = 0;
+    objMetadata.position = spaudio::PolarPosition<double>{90., 0.f, 1.f};
+    objMetadata.jumpPosition.flag = true;
+    renderer.AddObject(impulse.data(), nSamples, objMetadata);
+
+    spaudio::DirectSpeakerMetadata speakerMetadata;
+    speakerMetadata.trackInd = 1;
+    speakerMetadata.polarPosition = spaudio::DirectSpeakerPolarPosition{ 90., 0.f, 1.f };
+    speakerMetadata.speakerLabel = "M+090";
+    renderer.AddDirectSpeaker(impulse.data(), nSamples, speakerMetadata);
+
+    speakerMetadata.trackInd = 2;
+    speakerMetadata.polarPosition = spaudio::DirectSpeakerPolarPosition{ -90., 0.f, 1.f };
+    speakerMetadata.speakerLabel = "M-090";
+    renderer.AddDirectSpeaker(impulse.data(), nSamples, speakerMetadata);
+
+    renderer.GetRenderedAudio(ldspkOut, nSamples);
+    for (unsigned iSamp = 0; iSamp < nSamples; ++iSamp) {
+        std::cout << std::setw(4) << iSamp << ": ";
+        for (unsigned iLdspk = 0; iLdspk < outputChannels; ++iLdspk)
+        {
+            std::cout << std::setw(12) << std::fixed <<
+            ldspkOut[iLdspk][iSamp] << std::setw(0) << ", ";
+        }
+        std::cout << std::endl;
+    }
+
+    for (int iLdspk = 0; iLdspk < outputChannels; ++iLdspk)
+        delete[] ldspkOut[iLdspk];
+    delete[] ldspkOut;
+}

tests/meson.build

@@ -8,3 +8,6 @@ test('TestAmbisonicShelfFilters', e)
 
 e = executable('TestAmbisonicDecoderPresets', 'TestAmbisonicDecoderPresets.cpp', dependencies: [libspatialaudio_dep])
 test('TestAmbisonicDecoderPresets', e)
+
+e = executable('TestRenderer', 'TestRenderer.cpp', dependencies: [libspatialaudio_dep])
+test('TestRenderer', e)