Log supported camera preview resolutions.

webrtc/api/android/java/src/org/webrtc/VideoCapturerAndroid.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 373 matching lines @@
 
     // Find closest supported format for |width| x |height| @ |framerate|.
     final android.hardware.Camera.Parameters parameters = camera.getParameters();
     final List<CaptureFormat.FramerateRange> supportedFramerates =
         Camera1Enumerator.convertFramerates(parameters.getSupportedPreviewFpsRange());
     Logging.d(TAG, "Available fps ranges: " + supportedFramerates);
 
     final CaptureFormat.FramerateRange fpsRange =
         CameraEnumerationAndroid.getClosestSupportedFramerateRange(supportedFramerates, framerate);
 
-    final Size previewSize = CameraEnumerationAndroid.getClosestSupportedSize(
-        Camera1Enumerator.convertSizes(parameters.getSupportedPreviewSizes()), width, height);
+    final List<Size> supportedPreviewSizes =
+        Camera1Enumerator.convertSizes(parameters.getSupportedPreviewSizes());
+    final Size previewSize =
+        CameraEnumerationAndroid.getClosestSupportedSize(supportedPreviewSizes, width, height);
+    Logging.d(TAG, "Available preview sizes: " + supportedPreviewSizes);
 
     final CaptureFormat captureFormat =
         new CaptureFormat(previewSize.width, previewSize.height, fpsRange);
 
     // Check if we are already using this capture format, then we don't need to do anything.
     if (captureFormat.equals(this.captureFormat)) {
       return;
     }
 
     // Update camera parameters.
@@ skipping 19 matching lines @@
     parameters.setPictureSize(pictureSize.width, pictureSize.height);
 
     // Temporarily stop preview if it's already running.
     if (this.captureFormat != null) {
       camera.stopPreview();
       // Calling |setPreviewCallbackWithBuffer| with null should clear the internal camera buffer
       // queue, but sometimes we receive a frame with the old resolution after this call anyway.
       camera.setPreviewCallbackWithBuffer(null);
     }
 
+    List<String> focusModes = parameters.getSupportedFocusModes();
+    if (focusModes.contains(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
+      Logging.d(TAG, "Enable continuous auto focus mode.");
+      parameters.setFocusMode(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
+    }
+
     // (Re)start preview.
     Logging.d(TAG, "Start capturing: " + captureFormat);
     this.captureFormat = captureFormat;
 
-    List<String> focusModes = parameters.getSupportedFocusModes();
-    if (focusModes.contains(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
-      parameters.setFocusMode(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
-    }
-
     camera.setParameters(parameters);
     // Calculate orientation manually and send it as CVO instead.
     camera.setDisplayOrientation(0 /* degrees */);
     if (!isCapturingToTexture) {
       queuedBuffers.clear();
       final int frameSize = captureFormat.frameSize();
       for (int i = 0; i < NUMBER_OF_CAPTURE_BUFFERS; ++i) {
         final ByteBuffer buffer = ByteBuffer.allocateDirect(frameSize);
         queuedBuffers.add(buffer.array());
         camera.addCallbackBuffer(buffer.array());
@@ skipping 180 matching lines @@
     cameraStatistics.addFrame();
     frameObserver.onTextureFrameCaptured(captureFormat.width, captureFormat.height, oesTextureId,
         transformMatrix, rotation, timestampNs);
   }
 
   @Override
   public boolean isScreencast() {
     return false;
   }
 }