Set surface view surface size to minimum of the layout size and frame size.

webrtc/examples/androidapp/src/org/appspot/apprtc/CallActivity.java

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 17 matching lines @@
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.WindowManager.LayoutParams;
 import android.widget.Toast;
 import java.io.IOException;
 import java.lang.RuntimeException;
 import java.util.ArrayList;
 import java.util.List;
 import org.appspot.apprtc.AppRTCClient.RoomConnectionParameters;
 import org.appspot.apprtc.AppRTCClient.SignalingParameters;
+import org.appspot.apprtc.PeerConnectionClient.DataChannelParameters;
 import org.appspot.apprtc.PeerConnectionClient.PeerConnectionParameters;
-import org.appspot.apprtc.PeerConnectionClient.DataChannelParameters;
 import org.webrtc.Camera1Enumerator;
 import org.webrtc.Camera2Enumerator;
 import org.webrtc.CameraEnumerator;
 import org.webrtc.EglBase;
 import org.webrtc.FileVideoCapturer;
 import org.webrtc.IceCandidate;
 import org.webrtc.Logging;
 import org.webrtc.PeerConnectionFactory;
 import org.webrtc.RendererCommon.ScalingType;
 import org.webrtc.ScreenCapturerAndroid;
@@ skipping 168 matching lines @@
             saveRemoteVideoToFile, videoOutWidth, videoOutHeight, rootEglBase.getEglBaseContext());
         remoteRenderers.add(videoFileRenderer);
       } catch (IOException e) {
         throw new RuntimeException(
             "Failed to open video file for output: " + saveRemoteVideoToFile, e);
       }
     }
     remoteRenderScreen.init(rootEglBase.getEglBaseContext(), null);
 
     localRender.setZOrderMediaOverlay(true);
+    localRender.setEnableHardwareScaler(true /* enabled */);
+    remoteRenderScreen.setEnableHardwareScaler(true /* enabled */);
     updateVideoView();
 
     // Check for mandatory permissions.
     for (String permission : MANDATORY_PERMISSIONS) {
       if (checkCallingOrSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) {
         logAndToast("Permission " + permission + " is not granted");
         setResult(RESULT_CANCELED);
         finish();
         return;
       }
@@ skipping 639 matching lines @@
         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }