/*************************************************************************/ /* audio_effect_panner.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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::instantiate() { Ref<AudioEffectPannerInstance> ins; ins.instantiate(); 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::FLOAT, "pan", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_pan", "get_pan"); } AudioEffectPanner::AudioEffectPanner() { pan = 0; }