Restored recommendations based on acoustic similarities (using musicnn), fixes #301

src/libs/audio/test/CMakeLists.txt

@@ -0,0 +1,33 @@
+include(GoogleTest)
+
+add_executable(test-audio
+	MelFilterBank.cpp
+	MusicNNEmbeddings.cpp
+	PcmSpectralFrameDecoder.cpp
+	)
+
+if (OnnxRuntime_FOUND)
+    target_sources(test-audio PRIVATE
+		MusicNNModel.cpp
+		)
+endif()
+
+target_include_directories(test-audio PRIVATE
+	../impl
+	)
+
+target_link_libraries(test-audio PRIVATE
+	lmsaudio
+	lmsmath
+	GTest::GTest
+	GTest::gtest_main
+	)
+
+target_compile_options(test-audio PRIVATE
+	$<$<NOT:$<CONFIG:Debug>>:-ffast-math>
+	)
+
+if (NOT CMAKE_CROSSCOMPILING)
+	gtest_discover_tests(test-audio)
+endif()
+