mjpegstream android客户端

package com.example.devin.myapplication; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.PointF; import android.media.FaceDetector; import android.media.FaceDetector.Face; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v7.app.ActionBarActivity; import android.util.DisplayMetrics; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; public class MainActivity extends ActionBarActivity { private ImageView imageview; private TextView countertext; String result = null; String TAG = "HttpPort"; private int SCEEEN_WIDTH, SCEEEN_HIGHT; byte[] buffer = new byte[1024*16]; private int TIME = 100; private int numberOfFace = 5; //最大检测的人脸数 private FaceDetector myFaceDetect; //人脸识别类的实例 private FaceDetector.Face[] myFace; //存储多张人脸的数组变量 private BitmapFactory.Options BitmapFactoryinfo; float myEyesDistance; //两眼之间的距离 int numberOfFaceDetected; //实际检测到的人脸数 private Bitmap image; private Handler handler; HttpThreadGet myHttpThreadGet; // HttpThreadPost myHttpThreadPost; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); widgetSetup(); paramsSetup(); detectSetup(); //faceDetect(image); // timerHandler.postDelayed(runnable, TIME); //每隔1s执行 /************************** msg接收 *************************/ handler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case HttpThreadPost.POST: result = (String) msg.obj; break; case HttpThreadGet.GET: result = (String) msg.obj; break; case HttpThreadGet.GETIMG: buffer = (byte[])msg.obj; try { image = BitmapFactory.decodeByteArray(buffer, 0, buffer.length, BitmapFactoryinfo); faceDetect(image); } catch (Exception e) { Log.e(TAG, e.toString()); } doGet(); //再请求 break; default: break; } } }; doGet(); } /************************** face detect *************************/ private void faceDetect(Bitmap fBitmap) { // myBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.baby, BitmapFactoryOptionsbfo); int imageWidth = fBitmap.getWidth(); int imageHeight = fBitmap.getHeight(); myFace = new FaceDetector.Face[numberOfFace]; //分配人脸数组空间 myFaceDetect = new FaceDetector(imageWidth, imageHeight, numberOfFace); numberOfFaceDetected = myFaceDetect.findFaces(fBitmap, myFace); //FaceDetector 构造实例并解析人脸 countertext.setText("numberOfFaceDetected is " + numberOfFaceDetected); Log.i(TAG,"numberOfFaceDetected is " + numberOfFaceDetected); Bitmap bitmapTemp = Bitmap.createBitmap(fBitmap.getWidth(), fBitmap.getHeight(), Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmapTemp); canvas.drawColor(Color.TRANSPARENT); Paint myPaint = new Paint(); myPaint.setColor(Color.GREEN); myPaint.setStyle(Paint.Style.STROKE); myPaint.setStrokeWidth(3); //设置位图上paint操作的参数 canvas.drawBitmap(fBitmap, 0, 0, myPaint); for(int i=0; i < numberOfFaceDetected; i++){ Face face = myFace[i]; PointF myMidPoint = new PointF(); face.getMidPoint(myMidPoint); myEyesDistance = face.eyesDistance(); //得到人脸中心点和眼间距离参数，并对每个人脸进行画框 canvas.drawRect( //矩形框的位置参数 (int)(myMidPoint.x - myEyesDistance), (int)(myMidPoint.y - myEyesDistance), (int)(myMidPoint.x + myEyesDistance), (int)(myMidPoint.y + myEyesDistance), myPaint); } imageview.setImageBitmap(bitmapTemp); } /************************** register widget *************************/ private void widgetSetup() { imageview = (ImageView) findViewById(R.id.imageView); countertext = (TextView) findViewById(R.id.textView); } /************************** get HW & set widget size *************************/ private void paramsSetup() { DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); SCEEEN_WIDTH = dm.widthPixels; SCEEEN_HIGHT = dm.heightPixels; ViewGroup.LayoutParams para; para = imageview.getLayoutParams(); para.width = (int)(SCEEEN_WIDTH * 0.96); para.height = (int)(SCEEEN_WIDTH * 0.75 * 0.96); imageview.setLayoutParams(para); } /************************** format bitmap *************************/ private void detectSetup() { BitmapFactoryinfo = new BitmapFactory.Options(); BitmapFactoryinfo.inPreferredConfig = Bitmap.Config.RGB_565; //构造位图生成的参数，必须为565。类名+enum } private void doPost() { //TODO } private void doGet() { //get http img String url = "http://192.168.0.105:8080/?action=snapshot"; // Log.d(TAG, url); myHttpThreadGet = new HttpThreadGet(url, HttpThreadGet.GETIMG, handler); myHttpThreadGet.start(); } // /************************** 定时器发送 *************************/ // // Handler timerHandler = new Handler(); // Runnable runnable = new Runnable() { // // @Override // public void run() { // // handler自带方法实现定时器 // try { // handler.postDelayed(this, TIME); // } catch (Exception e) { // // TODO Auto-generated catch block // e.printStackTrace(); // } // } // }; @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override protected void onDestroy() { super.onDestroy(); if(myHttpThreadGet.isAlive()) { myHttpThreadGet.interrupt(); } } }