allow to specify output

synthetizer.cpp

@@ -358,7 +358,13 @@ void writeWav(const std::string& filename, const std::vector<int16_t>& samples)
     file.write(reinterpret_cast<const char*>(samples.data()), samples.size() * sizeof(int16_t));
 }
 
-int main() {
+int main(int argc, char* argv[]) {
+    std::string out_name;
+    if (argc == 2)
+        out_name = argv[1];
+    else
+        out_name = "output.wav";
+
     std::vector<Wave> waves;
     int totalDuration = 0;
 
@@ -372,8 +378,8 @@ int main() {
     std::vector<int16_t> samples = generateAudio(waves, totalDuration);
 
     // Write the audio to a WAV file
-    writeWav("output.wav", samples);
+    writeWav(out_name, samples);
 
-    std::cout << "WAV file generated: output.wav" << std::endl;
+    std::cout << "WAV file generated: " << out_name << std::endl;
     return 0;
 }