AndroidVideoTrackSource implementation

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.
  */
 
 package org.webrtc;
 
 import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
 
 import android.content.Context;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.view.Surface;
 import android.view.WindowManager;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 
 // Android specific implementation of VideoCapturer.
 // An instance of this class can be created by an application using
 // VideoCapturerAndroid.create();
 // This class extends VideoCapturer with a method to easily switch between the
 // front and back camera. It also provides methods for enumerating valid device
 // names.
 //
 // Threading notes: this class is called from C++ code, Android Camera callbacks, and possibly
 // arbitrary Java threads. All public entry points are thread safe, and delegate the work to the
@@ skipping 438 matching lines @@
       Logging.e(TAG, "Calling stopCapture() for already stopped camera.");
       return;
     }
     if (!barrier.await(CAMERA_STOP_TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
       Logging.e(TAG, "Camera stop timeout");
       printStackTrace();
       if (eventsHandler != null) {
         eventsHandler.onCameraError("Camera stop timeout");
       }
     }
+    frameObserver.onCapturerStopped();
     Logging.d(TAG, "stopCapture done");
   }
 
   private void stopCaptureOnCameraThread(boolean stopHandler) {
     checkIsOnCameraThread();
     Logging.d(TAG, "stopCaptureOnCameraThread");
     // Note that the camera might still not be started here if startCaptureOnCameraThread failed
     // and we posted a retry.
 
     // Make sure onTextureFrameAvailable() is not called anymore.
@@ skipping 136 matching lines @@
       // Undo the mirror that the OS "helps" us with.
       // http://developer.android.com/reference/android/hardware/Camera.html#setDisplayOrientation(int)
       transformMatrix =
           RendererCommon.multiplyMatrices(transformMatrix, RendererCommon.horizontalFlipMatrix());
     }
     cameraStatistics.addFrame();
     frameObserver.onTextureFrameCaptured(captureFormat.width, captureFormat.height, oesTextureId,
         transformMatrix, rotation, timestampNs);
   }
 }