Userspace: Add simple AudioServer and LibAudio

userspace/libraries/LibAudio/include/LibAudio/AudioLoader.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <BAN/StringView.h>
+#include <BAN/UniqPtr.h>
+
+namespace LibAudio
+{
+
+	class AudioLoader
+	{
+		BAN_NON_COPYABLE(AudioLoader);
+		BAN_NON_MOVABLE(AudioLoader);
+
+	public:
+		static BAN::ErrorOr<BAN::UniqPtr<AudioLoader>> load(BAN::StringView path);
+		virtual ~AudioLoader();
+
+		virtual uint32_t channels() const = 0;
+		virtual uint32_t sample_rate() const = 0;
+		virtual uint32_t samples_remaining() const = 0;
+
+		virtual double get_sample() = 0;
+
+	protected:
+		AudioLoader() = default;
+
+	private:
+		void* m_mmap_addr { nullptr };
+		size_t m_mmap_size { 0 };
+	};
+
+}