Main.java Source code

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Here is the source code for Main.java

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//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;
    }
}