Log to webrtc logging stream from java code.

talk/app/webrtc/java/android/org/webrtc/CameraEnumerator.java

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 11 matching lines @@
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 package org.webrtc;
 
 import android.hardware.Camera;
 import android.os.SystemClock;
-import android.util.Log;
 
 import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
+import org.webrtc.Logging;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @SuppressWarnings("deprecation")
 public class CameraEnumerator implements CameraEnumerationAndroid.Enumerator {
   private final static String TAG = "CameraEnumerator";
   // Each entry contains the supported formats for corresponding camera index. The formats for all
   // cameras are enumerated on the first call to getSupportedFormats(), and cached for future
   // reference.
   private List<List<CaptureFormat>> cachedSupportedFormats;
 
   @Override
   public List<CaptureFormat> getSupportedFormats(int cameraId) {
     synchronized (this) {
       if (cachedSupportedFormats == null) {
         cachedSupportedFormats = new ArrayList<List<CaptureFormat>>();
         for (int i = 0; i < CameraEnumerationAndroid.getDeviceCount(); ++i) {
           cachedSupportedFormats.add(enumerateFormats(i));
         }
       }
     }
     return cachedSupportedFormats.get(cameraId);
   }
 
   private List<CaptureFormat> enumerateFormats(int cameraId) {
-    Log.d(TAG, "Get supported formats for camera index " + cameraId + ".");
+    Logging.d(TAG, "Get supported formats for camera index " + cameraId + ".");
     final long startTimeMs = SystemClock.elapsedRealtime();
     final Camera.Parameters parameters;
     Camera camera = null;
     try {
-      Log.d(TAG, "Opening camera with index " + cameraId);
+      Logging.d(TAG, "Opening camera with index " + cameraId);
       camera = Camera.open(cameraId);
       parameters = camera.getParameters();
     } catch (RuntimeException e) {
-      Log.e(TAG, "Open camera failed on camera index " + cameraId, e);
+      Logging.e(TAG, "Open camera failed on camera index " + cameraId, e);
       return new ArrayList<CaptureFormat>();
     } finally {
       if (camera != null) {
         camera.release();
       }
     }
 
     final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>();
     try {
       int minFps = 0;
       int maxFps = 0;
       final List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange();
       if (listFpsRange != null) {
         // getSupportedPreviewFpsRange() returns a sorted list. Take the fps range
         // corresponding to the highest fps.
         final int[] range = listFpsRange.get(listFpsRange.size() - 1);
         minFps = range[Camera.Parameters.PREVIEW_FPS_MIN_INDEX];
         maxFps = range[Camera.Parameters.PREVIEW_FPS_MAX_INDEX];
       }
       for (Camera.Size size : parameters.getSupportedPreviewSizes()) {
         formatList.add(new CaptureFormat(size.width, size.height, minFps, maxFps));
       }
     } catch (Exception e) {
-      Log.e(TAG, "getSupportedFormats() failed on camera index " + cameraId, e);
+      Logging.e(TAG, "getSupportedFormats() failed on camera index " + cameraId, e);
     }
 
     final long endTimeMs = SystemClock.elapsedRealtime();
-    Log.d(TAG, "Get supported formats for camera index " + cameraId + " done."
+    Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done."
         + " Time spent: " + (endTimeMs - startTimeMs) + " ms.");
     return formatList;
   }
 }