चायदानी से Android Camera2 एपीआई, भाग 3. मीडिया कोडेक और UDP पर वीडियो स्ट्रीम

इसके लिए हमें क्या चाहिए?

<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <TextureView android:id="@+id/textureView" android:layout_width="356dp" android:layout_height="410dp" android:layout_marginTop="32dp" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintHorizontal_bias="0.49" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" /> <LinearLayout android:layout_width="292dp" android:layout_height="145dp" android:layout_marginStart="16dp" android:orientation="vertical" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toBottomOf="@+id/textureView" app:layout_constraintVertical_bias="0.537"> <Button android:id="@+id/button1" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="   " /> <Button android:id="@+id/button2" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=" " /> <Button android:id="@+id/button3" android:layout_width="match_parent" android:layout_height="wrap_content" android:text=" " /> </LinearLayout> </androidx.constraintlayout.widget.ConstraintLayout> 

और मीडिया कोडेक हुकिंग के साथ समाप्त होता है

 (Arrays.asList(surface, mMediaRecorder.getSurface()). 

 (Arrays.asList(surface, mEncoderSurface), 

  private void startCameraPreviewSession() { SurfaceTexture texture = mImageView.getSurfaceTexture(); texture.setDefaultBufferSize(320, 240); surface = new Surface(texture); try { mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); mPreviewBuilder.addTarget(surface); mPreviewBuilder.addTarget(mEncoderSurface); mCameraDevice.createCaptureSession(Arrays.asList(surface, mEncoderSurface), new CameraCaptureSession.StateCallback() { @Override public void onConfigured(CameraCaptureSession session) { mSession = session; try { mSession.setRepeatingRequest(mPreviewBuilder.build(), null, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } @Override public void onConfigureFailed(CameraCaptureSession session) { } }, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } 

  private void setUpMediaCodec() { try { mCodec = MediaCodec.createEncoderByType("video/avc"); // H264  } catch (Exception e) { Log.i(LOG_TAG, "  "); } int width = 320; //   int height = 240; //   int colorFormat = MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface; //    int videoBitrate = 500000; //    bps (  ) int videoFramePerSecond = 20; // FPS int iframeInterval = 2; // I-Frame    MediaFormat format = MediaFormat.createVideoFormat("video/avc", width, height); format.setInteger(MediaFormat.KEY_COLOR_FORMAT, colorFormat); format.setInteger(MediaFormat.KEY_BIT_RATE, videoBitrate); format.setInteger(MediaFormat.KEY_FRAME_RATE, videoFramePerSecond); format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, iframeInterval); mCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE); //     mEncoderSurface = mCodec.createInputSurface(); //  Surface  mCodec.setCallback(new EncoderCallback()); mCodec.start(); //   Log.i(LOG_TAG, " "); } 

  private class EncoderCallback extends MediaCodec.Callback { @Override public void onInputBufferAvailable(MediaCodec codec, int index) { } @Override public void onOutputBufferAvailable(MediaCodec codec, int index, MediaCodec.BufferInfo info) { outPutByteBuffer = mCodec.getOutputBuffer(index); byte[] outDate = new byte[info.size]; outPutByteBuffer.get(outDate); Log.i(LOG_TAG, " outDate.length : " + outDate.length); mCodec.releaseOutputBuffer(index, false); } @Override public void onError(MediaCodec codec, MediaCodec.CodecException e) { Log.i(LOG_TAG, "Error: " + e); } @Override public void onOutputFormatChanged(MediaCodec codec, MediaFormat format) { Log.i(LOG_TAG, "encoder output format changed: " + format); } } 

  int count =0; int temp =outDate.length ; do {//    byte[] ds; temp = temp-1024; if(temp>=0) { ds = new byte[1024];} else { ds = new byte[temp+1024];} for(int i =0;i<ds.length;i++) { ds[i]=outDate[i+1024*count]; } count=count+1; try { // Log.i(LOG_TAG, " outDate.length : " + ds.length); DatagramPacket packet = new DatagramPacket(ds, ds.length, address, port); udpSocket.send(packet); } catch (IOException e) { Log.i(LOG_TAG, "   UDP "); } } while (temp>=0); 

  private void setUpMediaCodec() { File mFile = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM), "test3.h264"); try { outputStream = new BufferedOutputStream(new FileOutputStream(mFile)); Log.i("Encoder", "outputStream initialized"); } catch (Exception e) { e.printStackTrace(); } 

 try { outputStream.write(outDate, 0, outDate.length);//     } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } 

 package com.example.basicmediacodec; import androidx.annotation.RequiresApi; import androidx.appcompat.app.AppCompatActivity; import androidx.core.content.ContextCompat; import android.Manifest; import android.content.Context; import android.content.pm.ActivityInfo; import android.content.pm.PackageManager; import android.graphics.SurfaceTexture; import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraCaptureSession; import android.hardware.camera2.CameraDevice; import android.hardware.camera2.CameraManager; import android.hardware.camera2.CaptureRequest; import android.media.MediaCodec; import android.media.MediaCodecInfo; import android.media.MediaFormat; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.HandlerThread; import android.os.StrictMode; import android.util.Log; import android.view.Surface; import android.view.TextureView; import android.view.View; import android.widget.Button; import android.widget.Toast; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.nio.ByteBuffer; import java.util.Arrays; public class MainActivity extends AppCompatActivity { public static final String LOG_TAG = "myLogs"; public static Surface surface = null; CameraService[] myCameras = null; private CameraManager mCameraManager = null; private final int CAMERA1 = 0; private Button mButtonOpenCamera1 = null; private Button mButtonStreamVideo = null; private Button mButtonTStopStreamVideo = null; public static TextureView mImageView = null; private HandlerThread mBackgroundThread; private Handler mBackgroundHandler = null; private MediaCodec mCodec = null; //  Surface mEncoderSurface; // Surface      BufferedOutputStream outputStream; ByteBuffer outPutByteBuffer; private void startBackgroundThread() { mBackgroundThread = new HandlerThread("CameraBackground"); mBackgroundThread.start(); mBackgroundHandler = new Handler(mBackgroundThread.getLooper()); } private void stopBackgroundThread() { mBackgroundThread.quitSafely(); try { mBackgroundThread.join(); mBackgroundThread = null; mBackgroundHandler = null; } catch (InterruptedException e) { e.printStackTrace(); } } @RequiresApi(api = Build.VERSION_CODES.M) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); setContentView(R.layout.activity_main); Log.d(LOG_TAG, " "); if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED || (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) ) { requestPermissions(new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1); } mButtonOpenCamera1 = findViewById(R.id.button1); mButtonStreamVideo = findViewById(R.id.button2); mButtonTStopStreamVideo = findViewById(R.id.button3); mImageView = findViewById(R.id.textureView); mButtonOpenCamera1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { setUpMediaCodec();//    if (myCameras[CAMERA1] != null) {//   if (!myCameras[CAMERA1].isOpen()) myCameras[CAMERA1].openCamera(); } } }); mButtonStreamVideo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { { //    } } }); mButtonTStopStreamVideo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mCodec != null) { Toast.makeText(MainActivity.this, "  ", Toast.LENGTH_SHORT).show(); myCameras[CAMERA1].stopStreamingVideo(); } } }); mCameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE); try { //      myCameras = new CameraService[mCameraManager.getCameraIdList().length]; for (String cameraID : mCameraManager.getCameraIdList()) { Log.i(LOG_TAG, "cameraID: " + cameraID); int id = Integer.parseInt(cameraID); //     myCameras[id] = new CameraService(mCameraManager, cameraID); } } catch (CameraAccessException e) { Log.e(LOG_TAG, e.getMessage()); e.printStackTrace(); } } public class CameraService { private String mCameraID; private CameraDevice mCameraDevice = null; private CameraCaptureSession mSession; private CaptureRequest.Builder mPreviewBuilder; public CameraService(CameraManager cameraManager, String cameraID) { mCameraManager = cameraManager; mCameraID = cameraID; } private CameraDevice.StateCallback mCameraCallback = new CameraDevice.StateCallback() { @Override public void onOpened(CameraDevice camera) { mCameraDevice = camera; Log.i(LOG_TAG, "Open camera with id:" + mCameraDevice.getId()); startCameraPreviewSession(); } @Override public void onDisconnected(CameraDevice camera) { mCameraDevice.close(); Log.i(LOG_TAG, "disconnect camera with id:" + mCameraDevice.getId()); mCameraDevice = null; } @Override public void onError(CameraDevice camera, int error) { Log.i(LOG_TAG, "error! camera id:" + camera.getId() + " error:" + error); } }; private void startCameraPreviewSession() { SurfaceTexture texture = mImageView.getSurfaceTexture(); texture.setDefaultBufferSize(320, 240); surface = new Surface(texture); try { mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); mPreviewBuilder.addTarget(surface); mPreviewBuilder.addTarget(mEncoderSurface); mCameraDevice.createCaptureSession(Arrays.asList(surface, mEncoderSurface), new CameraCaptureSession.StateCallback() { @Override public void onConfigured(CameraCaptureSession session) { mSession = session; try { mSession.setRepeatingRequest(mPreviewBuilder.build(), null, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } @Override public void onConfigureFailed(CameraCaptureSession session) { } }, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } public boolean isOpen() { if (mCameraDevice == null) { return false; } else { return true; } } public void openCamera() { try { if (checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) { mCameraManager.openCamera(mCameraID, mCameraCallback, mBackgroundHandler); } } catch (CameraAccessException e) { Log.i(LOG_TAG, e.getMessage()); } } public void closeCamera() { if (mCameraDevice != null) { mCameraDevice.close(); mCameraDevice = null; } } public void stopStreamingVideo() { if (mCameraDevice != null & mCodec != null) { try { mSession.stopRepeating(); mSession.abortCaptures(); } catch (CameraAccessException e) { e.printStackTrace(); } mCodec.stop(); mCodec.release(); mEncoderSurface.release(); closeCamera(); } } } private void setUpMediaCodec() { File mFile = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM), "test3.h264"); try { outputStream = new BufferedOutputStream(new FileOutputStream(mFile)); Log.i("Encoder", "outputStream initialized"); } catch (Exception e) { e.printStackTrace(); } try { mCodec = MediaCodec.createEncoderByType("video/avc"); // H264  } catch (Exception e) { Log.i(LOG_TAG, "  "); } int width = 320; //   int height = 240; //   int colorFormat = MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface; //    int videoBitrate = 500000; //    bps (  ) int videoFramePerSecond = 20; // FPS int iframeInterval = 3; // I-Frame    MediaFormat format = MediaFormat.createVideoFormat("video/avc", width, height); format.setInteger(MediaFormat.KEY_COLOR_FORMAT, colorFormat); format.setInteger(MediaFormat.KEY_BIT_RATE, videoBitrate); format.setInteger(MediaFormat.KEY_FRAME_RATE, videoFramePerSecond); format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, iframeInterval); mCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE); //     mEncoderSurface = mCodec.createInputSurface(); //  Surface  mCodec.setCallback(new EncoderCallback()); mCodec.start(); //   Log.i(LOG_TAG, " "); } private class EncoderCallback extends MediaCodec.Callback { @Override public void onInputBufferAvailable(MediaCodec codec, int index) { } @Override public void onOutputBufferAvailable(MediaCodec codec, int index, MediaCodec.BufferInfo info) { outPutByteBuffer = mCodec.getOutputBuffer(index); byte[] outDate = new byte[info.size]; outPutByteBuffer.get(outDate); try { Log.i(LOG_TAG, " outDate.length : " + outDate.length); outputStream.write(outDate, 0, outDate.length);//     } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } mCodec.releaseOutputBuffer(index, false); } @Override public void onError(MediaCodec codec, MediaCodec.CodecException e) { Log.i(LOG_TAG, "Error: " + e); } @Override public void onOutputFormatChanged(MediaCodec codec, MediaFormat format) { Log.i(LOG_TAG, "encoder output format changed: " + format); } } @Override public void onPause() { if (myCameras[CAMERA1].isOpen()) { myCameras[CAMERA1].closeCamera(); } stopBackgroundThread(); super.onPause(); } @Override public void onResume() { super.onResume(); startBackgroundThread(); } } 

  <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.INTERNET"/> 

  DatagramSocket udpSocket; String ip_address = "192.168.1.84"; //      InetAddress address; int port = 40002; // ,      …….. try { udpSocket = new DatagramSocket(); Log.i(LOG_TAG, "  udp "); } catch ( SocketException e) { Log.i(LOG_TAG, "   udp "); } try { address = InetAddress.getByName(ip_address); Log.i(LOG_TAG, "  "); } catch (Exception e) { 

  try { DatagramPacket packet = new DatagramPacket(outDate, outDate.length, address, port); udpSocket.send(packet); } catch (IOException e) { Log.i(LOG_TAG, "   UDP "); } 

  StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); 

 package com.example.basicmediacodec; import androidx.annotation.RequiresApi; import androidx.appcompat.app.AppCompatActivity; import androidx.core.content.ContextCompat; import android.Manifest; import android.content.Context; import android.content.pm.ActivityInfo; import android.content.pm.PackageManager; import android.graphics.SurfaceTexture; import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraCaptureSession; import android.hardware.camera2.CameraDevice; import android.hardware.camera2.CameraManager; import android.hardware.camera2.CaptureRequest; import android.media.MediaCodec; import android.media.MediaCodecInfo; import android.media.MediaFormat; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.os.StrictMode; import android.util.Log; import android.view.Surface; import android.view.TextureView; import android.view.View; import android.widget.Button; import android.widget.Toast; import java.io.BufferedOutputStream; import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import java.net.SocketException; import java.nio.ByteBuffer; import java.util.Arrays; public class MainActivity extends AppCompatActivity { public static final String LOG_TAG = "myLogs"; public static Surface surface = null; CameraService[] myCameras = null; private CameraManager mCameraManager = null; private final int CAMERA1 = 0; private Button mButtonOpenCamera1 = null; private Button mButtonStreamVideo = null; private Button mButtonTStopStreamVideo = null; public static TextureView mImageView = null; private HandlerThread mBackgroundThread; private Handler mBackgroundHandler = null; private MediaCodec mCodec = null; //  Surface mEncoderSurface; // Surface      BufferedOutputStream outputStream; ByteBuffer outPutByteBuffer; DatagramSocket udpSocket; String ip_address = "192.168.1.84"; InetAddress address; int port = 40002; private void startBackgroundThread() { mBackgroundThread = new HandlerThread("CameraBackground"); mBackgroundThread.start(); mBackgroundHandler = new Handler(mBackgroundThread.getLooper()); } private void stopBackgroundThread() { mBackgroundThread.quitSafely(); try { mBackgroundThread.join(); mBackgroundThread = null; mBackgroundHandler = null; } catch (InterruptedException e) { e.printStackTrace(); } } @RequiresApi(api = Build.VERSION_CODES.M) @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); setContentView(R.layout.activity_main); Log.d(LOG_TAG, " "); if (checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED || (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) ) { requestPermissions(new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1); } mButtonOpenCamera1 = findViewById(R.id.button1); mButtonStreamVideo = findViewById(R.id.button2); mButtonTStopStreamVideo = findViewById(R.id.button3); mImageView = findViewById(R.id.textureView); mButtonOpenCamera1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { setUpMediaCodec();//    if (myCameras[CAMERA1] != null) {//   if (!myCameras[CAMERA1].isOpen()) myCameras[CAMERA1].openCamera(); } } }); mButtonStreamVideo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { { //    } } }); mButtonTStopStreamVideo.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mCodec != null) { Toast.makeText(MainActivity.this, "  ", Toast.LENGTH_SHORT).show(); myCameras[CAMERA1].stopStreamingVideo(); } } }); try { udpSocket = new DatagramSocket(); Log.i(LOG_TAG, "  udp "); } catch ( SocketException e) { Log.i(LOG_TAG, "   udp "); } try { address = InetAddress.getByName(ip_address); Log.i(LOG_TAG, "  "); } catch (Exception e) { } mCameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE); try { //      myCameras = new CameraService[mCameraManager.getCameraIdList().length]; for (String cameraID : mCameraManager.getCameraIdList()) { Log.i(LOG_TAG, "cameraID: " + cameraID); int id = Integer.parseInt(cameraID); //     myCameras[id] = new CameraService(mCameraManager, cameraID); } } catch (CameraAccessException e) { Log.e(LOG_TAG, e.getMessage()); e.printStackTrace(); } } public class CameraService { private String mCameraID; private CameraDevice mCameraDevice = null; private CameraCaptureSession mSession; private CaptureRequest.Builder mPreviewBuilder; public CameraService(CameraManager cameraManager, String cameraID) { mCameraManager = cameraManager; mCameraID = cameraID; } private CameraDevice.StateCallback mCameraCallback = new CameraDevice.StateCallback() { @Override public void onOpened(CameraDevice camera) { mCameraDevice = camera; Log.i(LOG_TAG, "Open camera with id:" + mCameraDevice.getId()); startCameraPreviewSession(); } @Override public void onDisconnected(CameraDevice camera) { mCameraDevice.close(); Log.i(LOG_TAG, "disconnect camera with id:" + mCameraDevice.getId()); mCameraDevice = null; } @Override public void onError(CameraDevice camera, int error) { Log.i(LOG_TAG, "error! camera id:" + camera.getId() + " error:" + error); } }; private void startCameraPreviewSession() { SurfaceTexture texture = mImageView.getSurfaceTexture(); texture.setDefaultBufferSize(320, 240); surface = new Surface(texture); try { mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); mPreviewBuilder.addTarget(surface); mPreviewBuilder.addTarget(mEncoderSurface); mCameraDevice.createCaptureSession(Arrays.asList(surface, mEncoderSurface), new CameraCaptureSession.StateCallback() { @Override public void onConfigured(CameraCaptureSession session) { mSession = session; try { mSession.setRepeatingRequest(mPreviewBuilder.build(), null, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } @Override public void onConfigureFailed(CameraCaptureSession session) { } }, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } } public boolean isOpen() { if (mCameraDevice == null) { return false; } else { return true; } } public void openCamera() { try { if (checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) { mCameraManager.openCamera(mCameraID, mCameraCallback, mBackgroundHandler); } } catch (CameraAccessException e) { Log.i(LOG_TAG, e.getMessage()); } } public void closeCamera() { if (mCameraDevice != null) { mCameraDevice.close(); mCameraDevice = null; } } public void stopStreamingVideo() { if (mCameraDevice != null & mCodec != null) { try { mSession.stopRepeating(); mSession.abortCaptures(); } catch (CameraAccessException e) { e.printStackTrace(); } mCodec.stop(); mCodec.release(); mEncoderSurface.release(); closeCamera(); } } } private void setUpMediaCodec() { try { mCodec = MediaCodec.createEncoderByType("video/avc"); // H264  } catch (Exception e) { Log.i(LOG_TAG, "  "); } int width = 320; //   int height = 240; //   int colorFormat = MediaCodecInfo.CodecCapabilities.COLOR_FormatSurface; //    int videoBitrate = 500000; //    bps (  ) int videoFramePerSecond = 20; // FPS int iframeInterval = 3; // I-Frame    MediaFormat format = MediaFormat.createVideoFormat("video/avc", width, height); format.setInteger(MediaFormat.KEY_COLOR_FORMAT, colorFormat); format.setInteger(MediaFormat.KEY_BIT_RATE, videoBitrate); format.setInteger(MediaFormat.KEY_FRAME_RATE, videoFramePerSecond); format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, iframeInterval); mCodec.configure(format, null, null, MediaCodec.CONFIGURE_FLAG_ENCODE); //     mEncoderSurface = mCodec.createInputSurface(); //  Surface  mCodec.setCallback(new EncoderCallback()); mCodec.start(); //   Log.i(LOG_TAG, " "); } private class EncoderCallback extends MediaCodec.Callback { @Override public void onInputBufferAvailable(MediaCodec codec, int index) { } @Override public void onOutputBufferAvailable(MediaCodec codec, int index, MediaCodec.BufferInfo info) { outPutByteBuffer = mCodec.getOutputBuffer(index); byte[] outDate = new byte[info.size]; outPutByteBuffer.get(outDate); try { DatagramPacket packet = new DatagramPacket(outDate, outDate.length, address, port); udpSocket.send(packet); } catch (IOException e) { Log.i(LOG_TAG, "   UDP "); } mCodec.releaseOutputBuffer(index, false); } @Override public void onError(MediaCodec codec, MediaCodec.CodecException e) { Log.i(LOG_TAG, "Error: " + e); } @Override public void onOutputFormatChanged(MediaCodec codec, MediaFormat format) { Log.i(LOG_TAG, "encoder output format changed: " + format); } } @Override public void onPause() { if (myCameras[CAMERA1].isOpen()) { myCameras[CAMERA1].closeCamera(); } stopBackgroundThread(); super.onPause(); } @Override public void onResume() { super.onResume(); startBackgroundThread(); } } 

अब चलो कंप्यूटर पर वांछित पते की तलाश करें

 URL syntax: file:///path/file Plain media file http://host[:port]/file HTTP URL ftp://host[:port]/file FTP URL mms://host[:port]/file MMS URL screen:// Screen capture dvd://[device] DVD device vcd://[device] VCD device cdda://[device] Audio CD device udp://[[<source address>]@[<bind address>][:<bind port>]] 

ऐसा कैसे?

• . , . .

 C:\Program Files\VideoLAN\VLC\vlc udp://@:40002 --demux h264 --video-filter=transform --transform-type=90