Reland of Combine webrtc/api/java/android and webrtc/api/java/src.

webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java

Index: webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
diff --git a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java b/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
deleted file mode 100644
index 8f6f911b1da3c2c7a19035b6da2509ed020bd948..0000000000000000000000000000000000000000
--- a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
+++ /dev/null
@@ -1,672 +0,0 @@
-/*
- *  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.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-
-// 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
-// camera thread. The internal *OnCameraThread() methods must check |camera| for null to check if
-// the camera has been stopped.
-// TODO(magjed): This class name is now confusing - rename to Camera1VideoCapturer.
-@SuppressWarnings("deprecation")
-public class VideoCapturerAndroid implements
-    CameraVideoCapturer,
-    android.hardware.Camera.PreviewCallback,
-    SurfaceTextureHelper.OnTextureFrameAvailableListener {
-  private final static String TAG = "VideoCapturerAndroid";
-  private static final int CAMERA_STOP_TIMEOUT_MS = 7000;
-
-  private android.hardware.Camera camera;  // Only non-null while capturing.
-  private final Object handlerLock = new Object();
-  // |cameraThreadHandler| must be synchronized on |handlerLock| when not on the camera thread,
-  // or when modifying the reference. Use maybePostOnCameraThread() instead of posting directly to
-  // the handler - this way all callbacks with a specifed token can be removed at once.
-  private Handler cameraThreadHandler;
-  private Context applicationContext;
-  // Synchronization lock for |id|.
-  private final Object cameraIdLock = new Object();
-  private int id;
-  private android.hardware.Camera.CameraInfo info;
-  private CameraStatistics cameraStatistics;
-  // Remember the requested format in case we want to switch cameras.
-  private int requestedWidth;
-  private int requestedHeight;
-  private int requestedFramerate;
-  // The capture format will be the closest supported format to the requested format.
-  private CaptureFormat captureFormat;
-  private final Object pendingCameraSwitchLock = new Object();
-  private volatile boolean pendingCameraSwitch;
-  private CapturerObserver frameObserver = null;
-  private final CameraEventsHandler eventsHandler;
-  private boolean firstFrameReported;
-  // Arbitrary queue depth.  Higher number means more memory allocated & held,
-  // lower number means more sensitivity to processing time in the client (and
-  // potentially stalling the capturer if it runs out of buffers to write to).
-  private static final int NUMBER_OF_CAPTURE_BUFFERS = 3;
-  private final Set<byte[]> queuedBuffers = new HashSet<byte[]>();
-  private final boolean isCapturingToTexture;
-  private SurfaceTextureHelper surfaceHelper;
-  private final static int MAX_OPEN_CAMERA_ATTEMPTS = 3;
-  private final static int OPEN_CAMERA_DELAY_MS = 500;
-  private int openCameraAttempts;
-
-  // Camera error callback.
-  private final android.hardware.Camera.ErrorCallback cameraErrorCallback =
-      new android.hardware.Camera.ErrorCallback() {
-    @Override
-    public void onError(int error, android.hardware.Camera camera) {
-      String errorMessage;
-      if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) {
-        errorMessage = "Camera server died!";
-      } else {
-        errorMessage = "Camera error: " + error;
-      }
-      Logging.e(TAG, errorMessage);
-      if (eventsHandler != null) {
-        eventsHandler.onCameraError(errorMessage);
-      }
-    }
-  };
-
-  public static VideoCapturerAndroid create(String name,
-      CameraEventsHandler eventsHandler) {
-    return VideoCapturerAndroid.create(name, eventsHandler, false /* captureToTexture */);
-  }
-
-  // Use ctor directly instead.
-  @Deprecated
-  public static VideoCapturerAndroid create(String name,
-      CameraEventsHandler eventsHandler, boolean captureToTexture) {
-    try {
-      return new VideoCapturerAndroid(name, eventsHandler, captureToTexture);
-    } catch (RuntimeException e) {
-      Logging.e(TAG, "Couldn't create camera.", e);
-      return null;
-    }
-  }
-
-  public void printStackTrace() {
-    Thread cameraThread = null;
-    synchronized (handlerLock) {
-      if (cameraThreadHandler != null) {
-        cameraThread = cameraThreadHandler.getLooper().getThread();
-      }
-    }
-    if (cameraThread != null) {
-      StackTraceElement[] cameraStackTraces = cameraThread.getStackTrace();
-      if (cameraStackTraces.length > 0) {
-        Logging.d(TAG, "VideoCapturerAndroid stacks trace:");
-        for (StackTraceElement stackTrace : cameraStackTraces) {
-          Logging.d(TAG, stackTrace.toString());
-        }
-      }
-    }
-  }
-
-  // Switch camera to the next valid camera id. This can only be called while
-  // the camera is running.
-  @Override
-  public void switchCamera(final CameraSwitchHandler switchEventsHandler) {
-    if (android.hardware.Camera.getNumberOfCameras() < 2) {
-      if (switchEventsHandler != null) {
-        switchEventsHandler.onCameraSwitchError("No camera to switch to.");
-      }
-      return;
-    }
-    synchronized (pendingCameraSwitchLock) {
-      if (pendingCameraSwitch) {
-        // Do not handle multiple camera switch request to avoid blocking
-        // camera thread by handling too many switch request from a queue.
-        Logging.w(TAG, "Ignoring camera switch request.");
-        if (switchEventsHandler != null) {
-          switchEventsHandler.onCameraSwitchError("Pending camera switch already in progress.");
-        }
-        return;
-      }
-      pendingCameraSwitch = true;
-    }
-    final boolean didPost = maybePostOnCameraThread(new Runnable() {
-      @Override
-      public void run() {
-        switchCameraOnCameraThread();
-        synchronized (pendingCameraSwitchLock) {
-          pendingCameraSwitch = false;
-        }
-        if (switchEventsHandler != null) {
-          switchEventsHandler.onCameraSwitchDone(
-              info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT);
-        }
-      }
-    });
-    if (!didPost && switchEventsHandler != null) {
-      switchEventsHandler.onCameraSwitchError("Camera is stopped.");
-    }
-  }
-
-  // Requests a new output format from the video capturer. Captured frames
-  // by the camera will be scaled/or dropped by the video capturer.
-  // It does not matter if width and height are flipped. I.E, |width| = 640, |height| = 480 produce
-  // the same result as |width| = 480, |height| = 640.
-  // TODO(magjed/perkj): Document what this function does. Change name?
-  @Override
-  public void onOutputFormatRequest(final int width, final int height, final int framerate) {
-    maybePostOnCameraThread(new Runnable() {
-      @Override public void run() {
-        onOutputFormatRequestOnCameraThread(width, height, framerate);
-      }
-    });
-  }
-
-  // Reconfigure the camera to capture in a new format. This should only be called while the camera
-  // is running.
-  @Override
-  public void changeCaptureFormat(final int width, final int height, final int framerate) {
-    maybePostOnCameraThread(new Runnable() {
-      @Override public void run() {
-        startPreviewOnCameraThread(width, height, framerate);
-      }
-    });
-  }
-
-  // Helper function to retrieve the current camera id synchronously. Note that the camera id might
-  // change at any point by switchCamera() calls.
-  private int getCurrentCameraId() {
-    synchronized (cameraIdLock) {
-      return id;
-    }
-  }
-
-  @Override
-  public List<CaptureFormat> getSupportedFormats() {
-    return Camera1Enumerator.getSupportedFormats(getCurrentCameraId());
-  }
-
-  // Returns true if this VideoCapturer is setup to capture video frames to a SurfaceTexture.
-  public boolean isCapturingToTexture() {
-    return isCapturingToTexture;
-  }
-
-  public VideoCapturerAndroid(String cameraName, CameraEventsHandler eventsHandler,
-      boolean captureToTexture) {
-    if (android.hardware.Camera.getNumberOfCameras() == 0) {
-      throw new RuntimeException("No cameras available");
-    }
-    if (cameraName == null || cameraName.equals("")) {
-      this.id = 0;
-    } else {
-      this.id = Camera1Enumerator.getCameraIndex(cameraName);
-    }
-    this.eventsHandler = eventsHandler;
-    isCapturingToTexture = captureToTexture;
-    Logging.d(TAG, "VideoCapturerAndroid isCapturingToTexture : " + isCapturingToTexture);
-  }
-
-  private void checkIsOnCameraThread() {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "Camera is stopped - can't check thread.");
-      } else if (Thread.currentThread() != cameraThreadHandler.getLooper().getThread()) {
-        throw new IllegalStateException("Wrong thread");
-      }
-    }
-  }
-
-  private boolean maybePostOnCameraThread(Runnable runnable) {
-    return maybePostDelayedOnCameraThread(0 /* delayMs */, runnable);
-  }
-
-  private boolean maybePostDelayedOnCameraThread(int delayMs, Runnable runnable) {
-    synchronized (handlerLock) {
-      return cameraThreadHandler != null
-          && cameraThreadHandler.postAtTime(
-              runnable, this /* token */, SystemClock.uptimeMillis() + delayMs);
-    }
-  }
-
-  @Override
-  public void dispose() {
-    Logging.d(TAG, "dispose");
-  }
-
-  // Note that this actually opens the camera, and Camera callbacks run on the
-  // thread that calls open(), so this is done on the CameraThread.
-  @Override
-  public void startCapture(
-      final int width, final int height, final int framerate,
-      final SurfaceTextureHelper surfaceTextureHelper, final Context applicationContext,
-      final CapturerObserver frameObserver) {
-    Logging.d(TAG, "startCapture requested: " + width + "x" + height + "@" + framerate);
-    if (surfaceTextureHelper == null) {
-      frameObserver.onCapturerStarted(false /* success */);
-      if (eventsHandler != null) {
-        eventsHandler.onCameraError("No SurfaceTexture created.");
-      }
-      return;
-    }
-    if (applicationContext == null) {
-      throw new IllegalArgumentException("applicationContext not set.");
-    }
-    if (frameObserver == null) {
-      throw new IllegalArgumentException("frameObserver not set.");
-    }
-    synchronized (handlerLock) {
-      if (this.cameraThreadHandler != null) {
-        throw new RuntimeException("Camera has already been started.");
-      }
-      this.cameraThreadHandler = surfaceTextureHelper.getHandler();
-      this.surfaceHelper = surfaceTextureHelper;
-      final boolean didPost = maybePostOnCameraThread(new Runnable() {
-        @Override
-        public void run() {
-          openCameraAttempts = 0;
-          startCaptureOnCameraThread(width, height, framerate, frameObserver,
-              applicationContext);
-        }
-      });
-      if (!didPost) {
-        frameObserver.onCapturerStarted(false);
-        if (eventsHandler != null) {
-          eventsHandler.onCameraError("Could not post task to camera thread.");
-        }
-      }
-    }
-  }
-
-  private void startCaptureOnCameraThread(
-      final int width, final int height, final int framerate, final CapturerObserver frameObserver,
-      final Context applicationContext) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "startCaptureOnCameraThread: Camera is stopped");
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    if (camera != null) {
-      Logging.e(TAG, "startCaptureOnCameraThread: Camera has already been started.");
-      return;
-    }
-    this.applicationContext = applicationContext;
-    this.frameObserver = frameObserver;
-    this.firstFrameReported = false;
-
-    try {
-      try {
-        synchronized (cameraIdLock) {
-          Logging.d(TAG, "Opening camera " + id);
-          if (eventsHandler != null) {
-            eventsHandler.onCameraOpening(id);
-          }
-          camera = android.hardware.Camera.open(id);
-          info = new android.hardware.Camera.CameraInfo();
-          android.hardware.Camera.getCameraInfo(id, info);
-        }
-      } catch (RuntimeException e) {
-        openCameraAttempts++;
-        if (openCameraAttempts < MAX_OPEN_CAMERA_ATTEMPTS) {
-          Logging.e(TAG, "Camera.open failed, retrying", e);
-          maybePostDelayedOnCameraThread(OPEN_CAMERA_DELAY_MS, new Runnable() {
-            @Override public void run() {
-              startCaptureOnCameraThread(width, height, framerate, frameObserver,
-                  applicationContext);
-            }
-          });
-          return;
-        }
-        throw e;
-      }
-
-      camera.setPreviewTexture(surfaceHelper.getSurfaceTexture());
-
-      Logging.d(TAG, "Camera orientation: " + info.orientation +
-          " .Device orientation: " + getDeviceOrientation());
-      camera.setErrorCallback(cameraErrorCallback);
-      startPreviewOnCameraThread(width, height, framerate);
-      frameObserver.onCapturerStarted(true);
-      if (isCapturingToTexture) {
-        surfaceHelper.startListening(this);
-      }
-
-      // Start camera observer.
-      cameraStatistics = new CameraStatistics(surfaceHelper, eventsHandler);
-    } catch (IOException|RuntimeException e) {
-      Logging.e(TAG, "startCapture failed", e);
-      // Make sure the camera is released.
-      stopCaptureOnCameraThread(true /* stopHandler */);
-      frameObserver.onCapturerStarted(false);
-      if (eventsHandler != null) {
-        eventsHandler.onCameraError("Camera can not be started.");
-      }
-     }
-  }
-
-  // (Re)start preview with the closest supported format to |width| x |height| @ |framerate|.
-  private void startPreviewOnCameraThread(int width, int height, int framerate) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null || camera == null) {
-        Logging.e(TAG, "startPreviewOnCameraThread: Camera is stopped");
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    Logging.d(
-        TAG, "startPreviewOnCameraThread requested: " + width + "x" + height + "@" + framerate);
-
-    requestedWidth = width;
-    requestedHeight = height;
-    requestedFramerate = framerate;
-
-    // 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 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.
-    Logging.d(TAG, "isVideoStabilizationSupported: " +
-        parameters.isVideoStabilizationSupported());
-    if (parameters.isVideoStabilizationSupported()) {
-      parameters.setVideoStabilization(true);
-    }
-    // Note: setRecordingHint(true) actually decrease frame rate on N5.
-    // parameters.setRecordingHint(true);
-    if (captureFormat.framerate.max > 0) {
-      parameters.setPreviewFpsRange(captureFormat.framerate.min, captureFormat.framerate.max);
-    }
-    parameters.setPreviewSize(previewSize.width, previewSize.height);
-
-    if (!isCapturingToTexture) {
-      parameters.setPreviewFormat(captureFormat.imageFormat);
-    }
-    // Picture size is for taking pictures and not for preview/video, but we need to set it anyway
-    // as a workaround for an aspect ratio problem on Nexus 7.
-    final Size pictureSize = CameraEnumerationAndroid.getClosestSupportedSize(
-        Camera1Enumerator.convertSizes(parameters.getSupportedPictureSizes()), width, height);
-    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);
-    }
-
-    // (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());
-      }
-      camera.setPreviewCallbackWithBuffer(this);
-    }
-    camera.startPreview();
-  }
-
-  // Blocks until camera is known to be stopped.
-  @Override
-  public void stopCapture() throws InterruptedException {
-    Logging.d(TAG, "stopCapture");
-    final CountDownLatch barrier = new CountDownLatch(1);
-    final boolean didPost = maybePostOnCameraThread(new Runnable() {
-      @Override public void run() {
-        stopCaptureOnCameraThread(true /* stopHandler */);
-        barrier.countDown();
-      }
-    });
-    if (!didPost) {
-      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");
-      }
-    }
-    Logging.d(TAG, "stopCapture done");
-  }
-
-  private void stopCaptureOnCameraThread(boolean stopHandler) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "stopCaptureOnCameraThread: Camera is stopped");
-      } else {
-        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.
-    if (surfaceHelper != null) {
-      surfaceHelper.stopListening();
-    }
-    if (stopHandler) {
-      synchronized (handlerLock) {
-        // Clear the cameraThreadHandler first, in case stopPreview or
-        // other driver code deadlocks. Deadlock in
-        // android.hardware.Camera._stopPreview(Native Method) has
-        // been observed on Nexus 5 (hammerhead), OS version LMY48I.
-        // The camera might post another one or two preview frames
-        // before stopped, so we have to check for a null
-        // cameraThreadHandler in our handler. Remove all pending
-        // Runnables posted from |this|.
-        if (cameraThreadHandler != null) {
-          cameraThreadHandler.removeCallbacksAndMessages(this /* token */);
-          cameraThreadHandler = null;
-        }
-        surfaceHelper = null;
-      }
-    }
-    if (cameraStatistics != null) {
-      cameraStatistics.release();
-      cameraStatistics = null;
-    }
-    Logging.d(TAG, "Stop preview.");
-    if (camera != null) {
-      camera.stopPreview();
-      camera.setPreviewCallbackWithBuffer(null);
-    }
-    queuedBuffers.clear();
-    captureFormat = null;
-
-    Logging.d(TAG, "Release camera.");
-    if (camera != null) {
-      camera.release();
-      camera = null;
-    }
-    if (eventsHandler != null) {
-      eventsHandler.onCameraClosed();
-    }
-    Logging.d(TAG, "stopCaptureOnCameraThread done");
-  }
-
-  private void switchCameraOnCameraThread() {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "switchCameraOnCameraThread: Camera is stopped");
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    Logging.d(TAG, "switchCameraOnCameraThread");
-    stopCaptureOnCameraThread(false /* stopHandler */);
-    synchronized (cameraIdLock) {
-      id = (id + 1) % android.hardware.Camera.getNumberOfCameras();
-    }
-    startCaptureOnCameraThread(requestedWidth, requestedHeight, requestedFramerate, frameObserver,
-        applicationContext);
-    Logging.d(TAG, "switchCameraOnCameraThread done");
-  }
-
-  private void onOutputFormatRequestOnCameraThread(int width, int height, int framerate) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null || camera == null) {
-        Logging.e(TAG, "onOutputFormatRequestOnCameraThread: Camera is stopped");
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    Logging.d(TAG, "onOutputFormatRequestOnCameraThread: " + width + "x" + height +
-        "@" + framerate);
-    frameObserver.onOutputFormatRequest(width, height, framerate);
-  }
-
-  private int getDeviceOrientation() {
-    int orientation = 0;
-
-    WindowManager wm = (WindowManager) applicationContext.getSystemService(
-        Context.WINDOW_SERVICE);
-    switch(wm.getDefaultDisplay().getRotation()) {
-      case Surface.ROTATION_90:
-        orientation = 90;
-        break;
-      case Surface.ROTATION_180:
-        orientation = 180;
-        break;
-      case Surface.ROTATION_270:
-        orientation = 270;
-        break;
-      case Surface.ROTATION_0:
-      default:
-        orientation = 0;
-        break;
-    }
-    return orientation;
-  }
-
-  private int getFrameOrientation() {
-    int rotation = getDeviceOrientation();
-    if (info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK) {
-      rotation = 360 - rotation;
-    }
-    return (info.orientation + rotation) % 360;
-  }
-
-  // Called on cameraThread so must not "synchronized".
-  @Override
-  public void onPreviewFrame(byte[] data, android.hardware.Camera callbackCamera) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "onPreviewFrame: Camera is stopped");
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    if (!queuedBuffers.contains(data)) {
-      // |data| is an old invalid buffer.
-      return;
-    }
-    if (camera != callbackCamera) {
-      throw new RuntimeException("Unexpected camera in callback!");
-    }
-
-    final long captureTimeNs =
-        TimeUnit.MILLISECONDS.toNanos(SystemClock.elapsedRealtime());
-
-    if (eventsHandler != null && !firstFrameReported) {
-      eventsHandler.onFirstFrameAvailable();
-      firstFrameReported = true;
-    }
-
-    cameraStatistics.addFrame();
-    frameObserver.onByteBufferFrameCaptured(data, captureFormat.width, captureFormat.height,
-        getFrameOrientation(), captureTimeNs);
-    camera.addCallbackBuffer(data);
-  }
-
-  @Override
-  public void onTextureFrameAvailable(
-      int oesTextureId, float[] transformMatrix, long timestampNs) {
-    synchronized (handlerLock) {
-      if (cameraThreadHandler == null) {
-        Logging.e(TAG, "onTextureFrameAvailable: Camera is stopped");
-        surfaceHelper.returnTextureFrame();
-        return;
-      } else {
-        checkIsOnCameraThread();
-      }
-    }
-    if (eventsHandler != null && !firstFrameReported) {
-      eventsHandler.onFirstFrameAvailable();
-      firstFrameReported = true;
-    }
-
-    int rotation = getFrameOrientation();
-    if (info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT) {
-      // 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);
-  }
-}