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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
/**************************************************************************/
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/* audio_effect_delay.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef AUDIO_EFFECT_DELAY_H
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#define AUDIO_EFFECT_DELAY_H
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#include "servers/audio/audio_effect.h"
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class AudioEffectDelay;
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class AudioEffectDelayInstance : public AudioEffectInstance {
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GDCLASS(AudioEffectDelayInstance, AudioEffectInstance);
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friend class AudioEffectDelay;
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Ref<AudioEffectDelay> base;
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Vector<AudioFrame> ring_buffer;
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unsigned int ring_buffer_pos;
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unsigned int ring_buffer_mask;
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/* feedback buffer */
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Vector<AudioFrame> feedback_buffer;
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unsigned int feedback_buffer_pos;
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AudioFrame h;
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void _process_chunk(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count);
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public:
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virtual void process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) override;
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};
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class AudioEffectDelay : public AudioEffect {
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GDCLASS(AudioEffectDelay, AudioEffect);
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friend class AudioEffectDelayInstance;
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enum {
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MAX_DELAY_MS = 3000,
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MAX_TAPS = 2
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};
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float dry = 1.0f;
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bool tap_1_active = true;
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float tap_1_delay_ms = 250.0f;
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float tap_1_level = -6.0f;
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float tap_1_pan = 0.2f;
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bool tap_2_active = true;
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float tap_2_delay_ms = 500.0f;
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float tap_2_level = -12.0f;
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float tap_2_pan = -0.4f;
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bool feedback_active = false;
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float feedback_delay_ms = 340.0f;
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float feedback_level = -6.0f;
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float feedback_lowpass = 16000.0f;
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protected:
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static void _bind_methods();
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public:
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void set_dry(float p_dry);
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float get_dry();
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void set_tap1_active(bool p_active);
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bool is_tap1_active() const;
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void set_tap1_delay_ms(float p_delay_ms);
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float get_tap1_delay_ms() const;
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void set_tap1_level_db(float p_level_db);
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float get_tap1_level_db() const;
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void set_tap1_pan(float p_pan);
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float get_tap1_pan() const;
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void set_tap2_active(bool p_active);
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bool is_tap2_active() const;
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void set_tap2_delay_ms(float p_delay_ms);
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float get_tap2_delay_ms() const;
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void set_tap2_level_db(float p_level_db);
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float get_tap2_level_db() const;
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void set_tap2_pan(float p_pan);
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float get_tap2_pan() const;
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void set_feedback_active(bool p_active);
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bool is_feedback_active() const;
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void set_feedback_delay_ms(float p_delay_ms);
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float get_feedback_delay_ms() const;
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void set_feedback_level_db(float p_level_db);
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float get_feedback_level_db() const;
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void set_feedback_lowpass(float p_lowpass);
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float get_feedback_lowpass() const;
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Ref<AudioEffectInstance> instantiate() override;
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AudioEffectDelay() {}
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};
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#endif // AUDIO_EFFECT_DELAY_H
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