71 lines
3.3 KiB
C++
71 lines
3.3 KiB
C++
/*************************************************************************/
|
|
/* audio_effect_panner.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "audio_effect_panner.h"
|
|
|
|
void AudioEffectPannerInstance::process(const AudioFrame *p_src_frames, AudioFrame *p_dst_frames, int p_frame_count) {
|
|
|
|
float lvol = CLAMP(1.0 - base->pan, 0, 1);
|
|
float rvol = CLAMP(1.0 + base->pan, 0, 1);
|
|
|
|
for (int i = 0; i < p_frame_count; i++) {
|
|
|
|
p_dst_frames[i].l = p_src_frames[i].l * lvol + p_src_frames[i].r * (1.0 - rvol);
|
|
p_dst_frames[i].r = p_src_frames[i].r * rvol + p_src_frames[i].l * (1.0 - lvol);
|
|
}
|
|
}
|
|
|
|
Ref<AudioEffectInstance> AudioEffectPanner::instance() {
|
|
Ref<AudioEffectPannerInstance> ins;
|
|
ins.instance();
|
|
ins->base = Ref<AudioEffectPanner>(this);
|
|
return ins;
|
|
}
|
|
|
|
void AudioEffectPanner::set_pan(float p_cpanume) {
|
|
pan = p_cpanume;
|
|
}
|
|
|
|
float AudioEffectPanner::get_pan() const {
|
|
|
|
return pan;
|
|
}
|
|
|
|
void AudioEffectPanner::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pan", "cpanume"), &AudioEffectPanner::set_pan);
|
|
ClassDB::bind_method(D_METHOD("get_pan"), &AudioEffectPanner::get_pan);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "pan", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_pan", "get_pan");
|
|
}
|
|
|
|
AudioEffectPanner::AudioEffectPanner() {
|
|
pan = 0;
|
|
}
|