Java tutorial
//package com.java2s; /* * Copyright 2014 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.hardware.Camera; import android.util.Log; import java.util.List; public class Main { private static final String TAG = "CameraUtils"; public static int[] closetFramerate(Camera.Parameters parameters, float frameRate) { int framerate = (int) (frameRate * 1000); List<int[]> rates = parameters.getSupportedPreviewFpsRange(); int[] bestFramerate = rates.get(0); for (int i = 0; i < rates.size(); i++) { int[] rate = rates.get(i); Log.e(TAG, "supported preview pfs min " + rate[0] + " max " + rate[1]); int curDelta = Math.abs(rate[1] - framerate); int bestDelta = Math.abs(bestFramerate[1] - framerate); if (curDelta < bestDelta) { bestFramerate = rate; } else if (curDelta == bestDelta) { bestFramerate = bestFramerate[0] < rate[0] ? rate : bestFramerate; } } return bestFramerate; } }