1 /******************************************************************************* 2 * Copyright 2009-2016 Jörg Müller 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 #include "fx/Sum.h" 18 #include "fx/IIRFilterReader.h" 19 20 AUD_NAMESPACE_BEGIN 21 Sum(std::shared_ptr<ISound> sound)22Sum::Sum(std::shared_ptr<ISound> sound) : 23 Effect(sound) 24 { 25 } 26 createReader()27std::shared_ptr<IReader> Sum::createReader() 28 { 29 std::vector<float> a, b; 30 a.push_back(1); 31 a.push_back(-1); 32 b.push_back(1); 33 return std::shared_ptr<IReader>(new IIRFilterReader(getReader(), b, a)); 34 } 35 36 AUD_NAMESPACE_END 37