from Preview Data to YuvImage - Android android.graphics

Android examples for android.graphics:YuvImage

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Description

from Preview Data to YuvImage

Demo Code


//package com.java2s;

import android.graphics.ImageFormat;

import android.graphics.Rect;
import android.graphics.YuvImage;
import android.hardware.Camera;

import android.util.Log;

import java.io.ByteArrayOutputStream;

public class Main {
    public static final String TAG = "CameraUtils";

    static byte[] fromPreviewData(byte[] bytes, Camera.Size previewSize) {
        int width = previewSize.width;
        int height = previewSize.height;

        log("Converting preview data from size " + width + ", " + height);

        // Convert bytes first to YUV image, then to RGB
        YuvImage yuvImage = new YuvImage(bytes, ImageFormat.NV21, width,
                height, null);//from   w  w w  .j a va2s.c om
        ByteArrayOutputStream jpegOutput = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(new Rect(0, 0, width, height), 90,
                jpegOutput);
        return jpegOutput.toByteArray();
    }

    public static void log(String msg) {
        Log.v(TAG, msg);
    }
}

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