1 files changed, 55 insertions, 0 deletions
diff --git a/servers/audio/audio_stream.h b/servers/audio/audio_stream.h
index 1cf3cd294d..a35826be21 100644
--- a/servers/audio/audio_stream.h
+++ b/servers/audio/audio_stream.h
@@ -31,6 +31,7 @@
 #define AUDIO_STREAM_H
 
 #include "resource.h"
+#include "servers/audio/audio_filter_sw.h"
 #include "servers/audio_server.h"
 
 class AudioStreamPlayback : public Reference {
@@ -88,4 +89,58 @@ public:
 	virtual String get_stream_name() const = 0;
 };
 
+class AudioStreamPlaybackRandomPitch;
+
+class AudioStreamRandomPitch : public AudioStream {
+
+	GDCLASS(AudioStreamRandomPitch, AudioStream)
+	friend class AudioStreamPlaybackRandomPitch;
+
+	Set<AudioStreamPlaybackRandomPitch *> playbacks;
+	Ref<AudioStream> audio_stream;
+	float random_pitch;
+
+protected:
+	static void _bind_methods();
+
+public:
+	void set_audio_stream(const Ref<AudioStream> &audio_stream);
+	Ref<AudioStream> get_audio_stream() const;
+
+	void set_random_pitch(float p_pitch);
+	float get_random_pitch() const;
+
+	virtual Ref<AudioStreamPlayback> instance_playback();
+	virtual String get_stream_name() const;
+
+	AudioStreamRandomPitch();
+};
+
+class AudioStreamPlaybackRandomPitch : public AudioStreamPlayback {
+
+	GDCLASS(AudioStreamPlaybackRandomPitch, AudioStreamPlayback)
+	friend class AudioStreamRandomPitch;
+
+	Ref<AudioStreamRandomPitch> random_pitch;
+	Ref<AudioStreamPlayback> playback;
+	Ref<AudioStreamPlayback> playing;
+	float pitch_scale;
+
+public:
+	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_pos() const;
+	virtual void seek_pos(float p_time);
+
+	virtual void mix(AudioFrame *p_bufer, float p_rate_scale, int p_frames);
+
+	virtual float get_length() const; //if supported, otherwise return 0
+
+	~AudioStreamPlaybackRandomPitch();
+};
+
 #endif // AUDIO_STREAM_H