Android studio2.3.3配置JavaCV1.3.3

1 JavaCV1.3.3下载地址：
JavaCV1.3.3

VLC搭建RTSP视频流，用于测试Android程序是否可以正常获取视频数据
VLC搭建RTSP视频流服务

2 解压缩下载的文件

3 新建Android Studio工程
在lib目录中添加如下jar
ffmpeg.jar
ffmpeg-android-arm.jar
javacpp.jar
javacv.jar
opencv.jar
opencv-android-arm.jar

4 在app上点击右键–>”Open Module Settings”(或者按F4按键)

进入“Dependencies”点击“+”号添加lib中对应的jar文件

5 在build.gradle(Module:app)中添加

packagingOptions {    exclude 'META-INF/services/javax.annotation.processing.Processor'    pickFirst  'META-INF/maven/org.bytedeco.javacpp-presets/opencv/pom.properties'    pickFirst  'META-INF/maven/org.bytedeco.javacpp-presets/opencv/pom.xml'    pickFirst  'META-INF/maven/org.bytedeco.javacpp-presets/ffmpeg/pom.properties'    pickFirst  'META-INF/maven/org.bytedeco.javacpp-presets/ffmpeg/pom.xml'}

6 至此，javaCV已添加到Android Studio工程中。

7 测试

<?xml version="1.0" encoding="utf-8"?><android.support.constraint.ConstraintLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    xmlns:app="http://schemas.android.com/apk/res-auto"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="cn.xaeel.javacvtest.MainActivity">    <TextView        android:id="@+id/text1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Hello World!" />    <ImageView        android:id="@+id/img1"        android:layout_width="368dp"        android:layout_height="232dp"        tools:layout_editor_absoluteX="8dp"        tools:layout_editor_absoluteY="29dp" /></android.support.constraint.ConstraintLayout>import android.os.Message;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.graphics.Bitmap;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.Drawable;import android.view.Menu;import android.view.SurfaceView;import android.view.View;import android.widget.Button;import android.widget.ImageView;import android.widget.TextView;import android.widget.VideoView;import org.bytedeco.javacpp.opencv_core;import org.bytedeco.javacpp.opencv_core.IplImage;import org.bytedeco.javacv.AndroidFrameConverter;import org.bytedeco.javacv.FFmpegFrameGrabber;import org.bytedeco.javacv.Frame;import org.bytedeco.javacv.FrameGrabber;import java.io.File;import java.util.Date;import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_8U;public class MainActivity extends AppCompatActivity {    private SurfaceView videoSurface = null;    private RecorderManager recorderManager = null;    CameraManager cameraManager;    private ProgressView progressView = null;    private VideoView videoView = null;    private boolean isPlaying = false;    // private TextView sign;    private Runnable progressRunnable = null;    private View finishView = null;    private Button finishButton = null;    private Button swithButton = null;    //Handler handler = null;    ImageView imageView;    TextView text1;    AndroidFrameConverter convertToBitmap = new AndroidFrameConverter();    FFmpegFrameGrabber grabber = null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        text1 = (TextView)findViewById(R.id.text1);        imageView = (ImageView) findViewById(R.id.img1);        // 测试读取图片         //Drawable drawable = idToDrawable(R.mipmap.ic_launcher);        // Bitmap bitmap = this.drawableToBitmap(drawable);//        Bitmap bitmap = BitmapFactory.decodeResource(getResources(),R.mipmap.ic_launcher);//        IplImage iplImage = this.bitmapToIplImage(bitmap);//        // 反转图像//        cvFlip(iplImage,iplImage,0);//        bitmap = this.IplImageToBitmap(iplImage);//        imageView.setImageBitmap(bitmap);        // 测试获取视频流并截取其中一张图片        // 其中视频流可以自己在VLC中搭建        grabber = new FFmpegFrameGrabber("rtmp://XXX.XXX.XXX.XXX:1935/live/test.stream");        Bitmap bitmap = null;        if (start(grabber)) {            text1.setText("start(grabber)");               Frame img = null;               try {                   img = grabber.grabImage();                   if (img != null) {                       bitmap = convertToBitmap.convert(img);                       imageView.setImageBitmap(bitmap);                       //frame.showImage(img);                       if (img.keyFrame) {                           text1.setText("关键帧：");                           //System.err.println("关键帧：" + img.image);                       } else {                           text1.setText("not 关键帧：");                       }                   } else {                       text1.setText("没有帧：");                       //System.err.println("没有帧");                   }                   Thread.sleep(40);               } catch (Exception e) {                   text1.setText("丢帧：");                   //System.err.println("丢帧");               }        } else {            text1.setText("不能打开视频流");        }        stop(grabber);        text1.setText("结束视频流");    }   /**     * IplImage转化为Bitmap     * @param iplImage     * @return     */    public Bitmap IplImageToBitmap(opencv_core.IplImage iplImage) {        Bitmap bitmap = null;        bitmap = Bitmap.createBitmap(iplImage.width(), iplImage.height(),                Bitmap.Config.ARGB_8888);        bitmap.copyPixelsFromBuffer(iplImage.getByteBuffer());        return bitmap;    }    /**     * Bitmap转化为IplImage     * @param bitmap     * @return     */    public opencv_core.IplImage bitmapToIplImage(Bitmap bitmap) {        opencv_core.IplImage iplImage;        iplImage = IplImage.create(bitmap.getWidth(), bitmap.getHeight(),                IPL_DEPTH_8U, 4);        bitmap.copyPixelsToBuffer(iplImage.getByteBuffer());        return iplImage;    }    /**     * 将资源ID转化为Drawable     * @param id     * @return     */    public Drawable idToDrawable(int id) {        return this.getResources().getDrawable(id);    }    /**     * 将Drawable转化为Bitmap     * @param drawable     * @return     */    public Bitmap drawableToBitmap(Drawable drawable) {        if(drawable == null)            return null;        return ((BitmapDrawable)drawable).getBitmap();    }     public static boolean start(FrameGrabber grabber) {        try {            grabber.start();            return true;        } catch (org.bytedeco.javacv.FrameGrabber.Exception e2) {            System.err.println("第一次打开失败，重新开始");            try {                grabber.restart();                return true;            } catch (org.bytedeco.javacv.FrameGrabber.Exception e) {                try {                    System.err.println("重启抓取器失败，正在关闭抓取器...");                    grabber.stop();                } catch (org.bytedeco.javacv.FrameGrabber.Exception e1) {                    System.err.println("停止抓取器失败！");                }            }        }        return false;    }    public static boolean stop(FrameGrabber grabber) {        try {            grabber.flush();            grabber.stop();            return true;        } catch (org.bytedeco.javacv.FrameGrabber.Exception e) {            return false;        } finally {            try {                grabber.stop();            } catch (org.bytedeco.javacv.FrameGrabber.Exception e) {                System.err.println("关闭抓取器失败");            }        }    }