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#### RemiAudio
#### Copyright (C) 2022-2024 Remilia Scarlet <remilia@posteo.jp>
####   Based on code from MeltySynth
####   Copyright (C) 2021 Nobuaki Tanaka
####
#### This program is free software: you can redistribute it and/or modify it
#### under the terms of the GNU Affero General Public License as published by
#### the Free Software Foundation, either version 3 of the License, or (at your
#### option) any later version.
####
#### This program is distributed in the hope that it will be useful, but WITHOUT
#### ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#### FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
#### License for more details.
####
#### You should have received a copy of the GNU Affero General Public License
#### along with this program.  If not, see <https://www.gnu.org/licenses/>.
require "math"
require "../../common"

module RemiAudio::DSP
  class ReverbError < RemiAudioError
  end

  # Base class for all reverbs.
  abstract class Reverb
    abstract class Preset
    end

    abstract def mute : Nil
    abstract def usePreset(preset : Reverb::Preset) : Nil
    abstract def process(inputLeft : Array(Float64)|Slice(Float64), inputRight : Array(Float64)|Slice(Float64),
                         outputLeft : Array(Float64)|Slice(Float64), outputRight : Array(Float64)|Slice(Float64)) : Nil
  end
end