1 files changed, 57 insertions, 0 deletions
diff --git a/servers/audio/audio_stream.h b/servers/audio/audio_stream.h
index 3312ce1ff6..66e1b6ee2f 100644
--- a/servers/audio/audio_stream.h
+++ b/servers/audio/audio_stream.h
@@ -94,6 +94,63 @@ public:
 	virtual float get_length() const = 0; //if supported, otherwise return 0
 };
 
+// Microphone
+
+class AudioStreamPlaybackMicrophone;
+
+class AudioStreamMicrophone : public AudioStream {
+
+	GDCLASS(AudioStreamMicrophone, AudioStream)
+	friend class AudioStreamPlaybackMicrophone;
+
+	Set<AudioStreamPlaybackMicrophone *> playbacks;
+
+protected:
+	static void _bind_methods();
+
+public:
+	virtual Ref<AudioStreamPlayback> instance_playback();
+	virtual String get_stream_name() const;
+
+	virtual float get_length() const; //if supported, otherwise return 0
+
+	AudioStreamMicrophone();
+};
+
+class AudioStreamPlaybackMicrophone : public AudioStreamPlaybackResampled {
+
+	GDCLASS(AudioStreamPlaybackMicrophone, AudioStreamPlayback)
+	friend class AudioStreamMicrophone;
+
+	const int MICROPHONE_PLAYBACK_DELAY = 256;
+
+	bool active;
+	unsigned int input_ofs;
+
+	Ref<AudioStreamMicrophone> microphone;
+
+protected:
+	virtual void _mix_internal(AudioFrame *p_buffer, int p_frames);
+	virtual float get_stream_sampling_rate();
+
+public:
+	virtual void mix(AudioFrame *p_buffer, float p_rate_scale, int p_frames);
+
+	virtual void start(float p_from_pos = 0.0);
+	virtual void stop();
+	virtual bool is_playing() const;
+
+	virtual int get_loop_count() const; //times it looped
+
+	virtual float get_playback_position() const;
+	virtual void seek(float p_time);
+
+	~AudioStreamPlaybackMicrophone();
+	AudioStreamPlaybackMicrophone();
+};
+
+//
+
 class AudioStreamPlaybackRandomPitch;
 
 class AudioStreamRandomPitch : public AudioStream {