test_audio_processing.cpp

#include "Source/VBAPEngine.h"
#include <iostream>
#include <juce_audio_basics/juce_audio_basics.h>

int main() {
    VBAPEngine engine;
    
    // Set source at 90 degrees (hard left, between FL and BL)
    engine.setSourcePosition(90.0f, 0.0f);
    
    // Create a test buffer with a simple sine wave
    const int numSamples = 128;
    juce::AudioBuffer<float> buffer(2, numSamples);  // stereo input
    
    // Fill with a test signal (simple constant for easy checking)
    for (int i = 0; i < numSamples; ++i) {
        buffer.setSample(0, i, 0.5f);  // Left channel
        buffer.setSample(1, i, 0.5f);  // Right channel
    }
    
    // Process the buffer
    engine.processBlock(buffer);
    
    // Check the gains and output
    const auto& gains = engine.getSpeakerGains();
    std::cout << "Speaker gains after processing:\n";
    const char* labels[] = {"F", "FR", "BR", "B", "BL", "FL"};
    for (int i = 0; i < 6; ++i) {
        std::cout << "  " << labels[i] << ": " << gains[i] << "\n";
    }
    
    std::cout << "\nOutput channel levels (first sample):\n";
    for (int ch = 0; ch < buffer.getNumChannels(); ++ch) {
        std::cout << "  Channel " << ch << ": " << buffer.getSample(ch, 0) << "\n";
    }
    
    // Check if we have any non-zero output
    bool hasOutput = false;
    for (int ch = 0; ch < buffer.getNumChannels(); ++ch) {
        if (buffer.getSample(ch, 0) != 0.0f) {
            hasOutput = true;
            break;
        }
    }
    
    if (hasOutput) {
        std::cout << "\n✓ SUCCESS: Audio output detected!\n";
        return 0;
    } else {
        std::cout << "\n✗ FAILURE: No audio output!\n";
        return 1;
    }
}