1/**************************************************************************/
2/* audio_effect_stereo_enhance.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
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15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
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19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
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29/**************************************************************************/
30
31#ifndef AUDIO_EFFECT_STEREO_ENHANCE_H
32#define AUDIO_EFFECT_STEREO_ENHANCE_H
33
34#include "servers/audio/audio_effect.h"
35
36class AudioEffectStereoEnhance;
37
38class AudioEffectStereoEnhanceInstance : public AudioEffectInstance {
39 GDCLASS(AudioEffectStereoEnhanceInstance, AudioEffectInstance);
40 friend class AudioEffectStereoEnhance;
41 Ref<AudioEffectStereoEnhance> base;
42
43 enum {
44 MAX_DELAY_MS = 50
45 };
46
47 float *delay_ringbuff = nullptr;
48 unsigned int ringbuff_pos = 0;
49 unsigned int ringbuff_mask = 0;
50
51public:
52 virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) override;
53
54 ~AudioEffectStereoEnhanceInstance();
55};
56
57class AudioEffectStereoEnhance : public AudioEffect {
58 GDCLASS(AudioEffectStereoEnhance, AudioEffect);
59
60 friend class AudioEffectStereoEnhanceInstance;
61 float volume_db = 0.0f;
62
63 float pan_pullout = 1.0f;
64 float time_pullout = 0.0f;
65 float surround = 0.0f;
66
67protected:
68 static void _bind_methods();
69
70public:
71 Ref<AudioEffectInstance> instantiate() override;
72
73 void set_pan_pullout(float p_amount);
74 float get_pan_pullout() const;
75
76 void set_time_pullout(float p_amount);
77 float get_time_pullout() const;
78
79 void set_surround(float p_amount);
80 float get_surround() const;
81
82 AudioEffectStereoEnhance();
83};
84
85#endif // AUDIO_EFFECT_STEREO_ENHANCE_H
86