1 /* 2 * Copyright (C) 2016 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 * This code was translated from the JSyn Java code. 17 * JSyn is Copyright 2009 Phil Burk, Mobileer Inc 18 * JSyn is licensed under the Apache License, Version 2.0 19 */ 20 21 #ifndef SYNTHMARK_UNIT_GENERATOR_H 22 #define SYNTHMARK_UNIT_GENERATOR_H 23 24 #include <cstdint> 25 #include <assert.h> 26 #include <math.h> 27 #include "SynthTools.h" 28 //#include "DifferentiatedParabola.h" 29 30 namespace marksynth { 31 class UnitGenerator 32 { 33 public: UnitGenerator()34 UnitGenerator() {} 35 36 virtual ~UnitGenerator() = default; 37 setSampleRate(int32_t sampleRate)38 static void setSampleRate(int32_t sampleRate) { 39 assert(sampleRate > 0); 40 mSampleRate = sampleRate; 41 mSamplePeriod = 1.0f / sampleRate; 42 } 43 getSampleRate()44 static int32_t getSampleRate() { 45 return mSampleRate; 46 } 47 48 synth_float_t output[kSynthmarkFramesPerRender]; 49 50 public: 51 static int32_t mSampleRate; 52 static synth_float_t mSamplePeriod; 53 }; 54 } 55 #endif // SYNTHMARK_UNIT_GENERATOR_H 56