1 /* 2 * Copyright 2019 The Android Open Source Project 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 18 #ifndef OBOETESTER_LINEAR_SHAPE_H 19 #define OBOETESTER_LINEAR_SHAPE_H 20 21 #include "flowgraph/FlowGraphNode.h" 22 23 /** 24 * Convert an input between -1.0 and +1.0 to a linear region between min and max. 25 */ 26 class LinearShape : public oboe::flowgraph::FlowGraphFilter { 27 public: 28 LinearShape(); 29 30 int32_t onProcess(int numFrames) override; 31 getMinimum()32 float getMinimum() const { 33 return mMinimum; 34 } 35 setMinimum(float minimum)36 void setMinimum(float minimum) { 37 mMinimum = minimum; 38 } 39 getMaximum()40 float getMaximum() const { 41 return mMaximum; 42 } 43 setMaximum(float maximum)44 void setMaximum(float maximum) { 45 mMaximum = maximum; 46 } 47 48 private: 49 float mMinimum = 0.0; 50 float mMaximum = 1.0; 51 }; 52 53 #endif //OBOETESTER_LINEAR_SHAPE_H 54