Move talk/app/webrtc to webrtc/api

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,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * 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.os.SystemClock;
-
-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) {
-    Logging.d(TAG, "Get supported formats for camera index " + cameraId + ".");
-    final long startTimeMs = SystemClock.elapsedRealtime();
-    final android.hardware.Camera.Parameters parameters;
-    android.hardware.Camera camera = null;
-    try {
-      Logging.d(TAG, "Opening camera with index " + cameraId);
-      camera = android.hardware.Camera.open(cameraId);
-      parameters = camera.getParameters();
-    } catch (RuntimeException 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[android.hardware.Camera.Parameters.PREVIEW_FPS_MIN_INDEX];
-        maxFps = range[android.hardware.Camera.Parameters.PREVIEW_FPS_MAX_INDEX];
-      }
-      for (android.hardware.Camera.Size size : parameters.getSupportedPreviewSizes()) {
-        formatList.add(new CaptureFormat(size.width, size.height, minFps, maxFps));
-      }
-    } catch (Exception e) {
-      Logging.e(TAG, "getSupportedFormats() failed on camera index " + cameraId, e);
-    }
-
-    final long endTimeMs = SystemClock.elapsedRealtime();
-    Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done."
-        + " Time spent: " + (endTimeMs - startTimeMs) + " ms.");
-    return formatList;
-  }
-}