Android AppRTCDemo: Add slider for changing camera capture quality during call

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 40 matching lines @@
   public static final String EXTRA_LOOPBACK =
       "org.appspot.apprtc.LOOPBACK";
   public static final String EXTRA_VIDEO_CALL =
       "org.appspot.apprtc.VIDEO_CALL";
   public static final String EXTRA_VIDEO_WIDTH =
       "org.appspot.apprtc.VIDEO_WIDTH";
   public static final String EXTRA_VIDEO_HEIGHT =
       "org.appspot.apprtc.VIDEO_HEIGHT";
   public static final String EXTRA_VIDEO_FPS =
       "org.appspot.apprtc.VIDEO_FPS";
+  public static final String EXTRA_VIDEO_CAPTUREQUALITYSLIDER_ENABLED =
+      "org.appsopt.apprtc.VIDEO_CAPTUREQUALITYSLIDER";
   public static final String EXTRA_VIDEO_BITRATE =
       "org.appspot.apprtc.VIDEO_BITRATE";
   public static final String EXTRA_VIDEOCODEC =
       "org.appspot.apprtc.VIDEOCODEC";
   public static final String EXTRA_HWCODEC_ENABLED =
       "org.appspot.apprtc.HWCODEC";
   public static final String EXTRA_AUDIO_BITRATE =
       "org.appspot.apprtc.AUDIO_BITRATE";
   public static final String EXTRA_AUDIOCODEC =
       "org.appspot.apprtc.AUDIOCODEC";
@@ skipping 223 matching lines @@
       peerConnectionClient.switchCamera();
     }
   }
 
   @Override
   public void onVideoScalingSwitch(ScalingType scalingType) {
     this.scalingType = scalingType;
     updateVideoView();
   }
 
+  @Override
+  public void onCaptureFormatChange(int width, int height, int framerate) {
+    if (peerConnectionClient != null) {
+      peerConnectionClient.changeCaptureFormat(width, height, framerate);
+    }
+  }
+
   // Helper functions.
   private void toggleCallControlFragmentVisibility() {
     if (!iceConnected || !callFragment.isAdded()) {
       return;
     }
     // Show/hide call control fragment
     callControlFragmentVisible = !callControlFragmentVisible;
     FragmentTransaction ft = getFragmentManager().beginTransaction();
     if (callControlFragmentVisible) {
       ft.show(callFragment);
@@ skipping 327 matching lines @@
         }
       }
     });
   }
 
   @Override
   public void onPeerConnectionError(final String description) {
     reportError(description);
   }
 }