LocalVideo_WebrRTC.java

package kkm.com.testrtc;

import android.content.Context;
import android.media.AudioManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;

import org.webrtc.Camera1Enumerator;
import org.webrtc.CameraEnumerator;
import org.webrtc.EglBase;
import org.webrtc.PeerConnectionFactory;
import org.webrtc.RendererCommon;
import org.webrtc.SurfaceViewRenderer;
import org.webrtc.VideoCapturer;
import org.webrtc.VideoRenderer;
import org.webrtc.VideoSource;
import org.webrtc.VideoTrack;

public class MainActivity extends AppCompatActivity {
  private static final String VIDEO_TRACK_ID = "video1";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    PeerConnectionFactory.initializeAndroidGlobals(this,true,true,true);
    PeerConnectionFactory peerConnectionFactory = new PeerConnectionFactory();

    //Camera Init
    VideoCapturer videoCapturer = createCameraCapturer(new Camera1Enumerator(false));
    VideoSource localVideoSource = peerConnectionFactory.createVideoSource(videoCapturer);
    videoCapturer.startCapture(320, 240, 30);

    //Camera mit Surfaceview verknüpfen
    EglBase rootEglBase = EglBase.create();
    SurfaceViewRenderer pipRenderer = (SurfaceViewRenderer) findViewById(R.id.local_video);
    pipRenderer.init(rootEglBase.getEglBaseContext(), null);
    pipRenderer.setMirror(true);
    pipRenderer.setScalingType(RendererCommon.ScalingType.SCALE_ASPECT_FIT);

    peerConnectionFactory.setVideoHwAccelerationOptions(rootEglBase.getEglBaseContext(), rootEglBase.getEglBaseContext());

    VideoTrack localVideoTrack = peerConnectionFactory.createVideoTrack(VIDEO_TRACK_ID, localVideoSource);
    localVideoTrack.setEnabled(true);
    localVideoTrack.addRenderer(new VideoRenderer(pipRenderer));
  }

  private VideoCapturer createCameraCapturer(CameraEnumerator enumerator) {
    final String[] deviceNames = enumerator.getDeviceNames();
    for (String deviceName : deviceNames) {
      if (enumerator.isFrontFacing(deviceName)) {
        VideoCapturer videoCapturer = enumerator.createCapturer(deviceName, null);
        if (videoCapturer != null) {
          return videoCapturer;
        }
      }
    }

    for (String deviceName : deviceNames) {
      if (!enumerator.isFrontFacing(deviceName)) {
        VideoCapturer videoCapturer = enumerator.createCapturer(deviceName, null);
        if (videoCapturer != null) {
          return videoCapturer;
        }
      }
    }
    return null;
  }
}


//Activity Layout: https://gist.github.com/kkm/72dd1f1b974ae5e4ec5e10ac4dcd6c3b