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 17 #include <math.h> 18 #include <stdio.h> 19 #include <stdlib.h> 20 #include <audio_utils/limiter.h> 21 22 int main(int argc, char **argv) 23 { 24 int i; 25 if (argc > 1) { 26 for (i = 1; i < argc; i++) { 27 float x = atof(argv[i]); 28 printf("limit(%g)=%g\n", x, limiter(x)); 29 } 30 } else { 31 for (i = 0; i <= 150; i++) { 32 float in = (float) ((double) i * 0.01); 33 float out = limiter(in); 34 printf("%g,%g\n", in, out); 35 if (i != 0) { 36 out = limiter(-in); 37 printf("%g,%g\n", -in, out); 38 } 39 } 40 } 41 return EXIT_SUCCESS; 42 } 43
