LibAudio/AudioServer: Add support for playing real time audio

userspace/libraries/LibAudio/include/LibAudio/Audio.h

@@ -18,6 +18,8 @@ namespace LibAudio
 		uint32_t sample_rate;
 		uint32_t channels;
 
+		BAN::Atomic<bool> paused { false };
+
 		uint32_t capacity;
 		BAN::Atomic<uint32_t> tail { 0 };
 		BAN::Atomic<uint32_t> head { 0 };
@@ -29,6 +31,7 @@ namespace LibAudio
 		BAN_NON_COPYABLE(Audio);
 
 	public:
+		static BAN::ErrorOr<Audio> create(uint32_t channels, uint32_t sample_rate, uint32_t sample_frames);
 		static BAN::ErrorOr<Audio> load(BAN::StringView path);
 		static BAN::ErrorOr<Audio> random(uint32_t samples);
 		~Audio() { clear(); }
@@ -37,9 +40,13 @@ namespace LibAudio
 		Audio& operator=(Audio&& other);
 
 		BAN::ErrorOr<void> start();
+		void update();
+
+		void set_paused(bool paused);
 
 		bool is_playing() const { return m_audio_buffer->tail != m_audio_buffer->head; }
-		void update();
+
+		size_t queue_samples(BAN::Span<const AudioBuffer::sample_t> samples);
 
 	private:
 		Audio() = default;