Move VideoCapturer to video_api and cleanup.

This should only be landed after clients have been given time to
upgrade to the new interface.

Bug: webrtc:9496, webrtc:9181
Change-Id: Ideb37637d9f0b9a3a9748811879c263c64f81d11
Reviewed-on: https://webrtc-review.googlesource.com/87308
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Paulina Hensman <phensman@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24080}

sdk/android/api/org/webrtc/CapturerObserver.java

@@ -15,15 +15,13 @@ package org.webrtc;
  * {@link VideoSource#getCapturerObserver}.
  *
  * All callbacks must be executed on a single thread.
- *
- * @note This will replace the deprecated VideoCapturer.CapturerObserver interface.
  */
-public interface CapturerObserver extends VideoCapturer.CapturerObserver {
+public interface CapturerObserver {
   /** Notify if the capturer have been started successfully or not. */
-  @Override void onCapturerStarted(boolean success);
+  void onCapturerStarted(boolean success);
   /** Notify that the capturer has been stopped. */
-  @Override void onCapturerStopped();
+  void onCapturerStopped();
 
   /** Delivers a captured frame. */
-  @Override void onFrameCaptured(VideoFrame frame);
+  void onFrameCaptured(VideoFrame frame);
 }

sdk/android/api/org/webrtc/PeerConnectionFactory.java

@@ -399,17 +399,6 @@ public class PeerConnectionFactory {
     return new VideoSource(nativeCreateVideoSource(nativeFactory, isScreencast));
   }
 
-  @Deprecated
-  public VideoSource createVideoSource(VideoCapturer capturer) {
-    final SurfaceTextureHelper surfaceTextureHelper = SurfaceTextureHelper.create(
-        VIDEO_CAPTURER_THREAD_NAME, MediaCodecVideoEncoder.getEglContext());
-    final VideoSource videoSource = new VideoSource(
-        nativeCreateVideoSource(nativeFactory, capturer.isScreencast()), surfaceTextureHelper);
-    capturer.initialize(surfaceTextureHelper, ContextUtils.getApplicationContext(),
-        videoSource.getCapturerObserver());
-    return videoSource;
-  }
-
   public VideoTrack createVideoTrack(String id, VideoSource source) {
     return new VideoTrack(nativeCreateVideoTrack(nativeFactory, id, source.nativeSource));
   }

sdk/android/api/org/webrtc/VideoCapturer.java

@@ -15,25 +15,6 @@ import java.util.List;
 
 // Base interface for all VideoCapturers to implement.
 public interface VideoCapturer {
-  // Interface used for providing callbacks to an observer.
-  @Deprecated
-  public interface CapturerObserver {
-    // Notify if the camera have been started successfully or not.
-    // Called on a Java thread owned by VideoCapturer.
-    void onCapturerStarted(boolean success);
-    void onCapturerStopped();
-
-    // Delivers a captured frame. Called on a Java thread owned by VideoCapturer.
-    void onFrameCaptured(VideoFrame frame);
-  }
-
-  /** Deprecated, implementations should be update to implement the version below. */
-  @Deprecated
-  default void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
-      CapturerObserver capturerObserver) {
-    throw new UnsupportedOperationException("Not implemented.");
-  }
-
   /**
    * This function is used to initialize the camera thread, the android application context, and the
    * capture observer. It will be called only once and before any startCapture() request. The
@@ -45,12 +26,8 @@ public interface VideoCapturer {
    * called. This also means that the caller can reuse the SurfaceTextureHelper to initialize a new
    * VideoCapturer once the previous VideoCapturer has been disposed.
    */
-  // Our version of clang format doesn't understand default and messes up.
-  // clang-format off
-  default void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
-      org.webrtc.CapturerObserver capturerObserver) {
-    initialize(surfaceTextureHelper, applicationContext, (CapturerObserver) capturerObserver);
-  }
+  void initialize(SurfaceTextureHelper surfaceTextureHelper, Context applicationContext,
+      CapturerObserver capturerObserver);
 
   /**
    * Start capturing frames in a format that is as close as possible to {@code width x height} and

sdk/android/api/org/webrtc/VideoSource.java

@@ -23,13 +23,6 @@ public class VideoSource extends MediaSource {
     this.capturerObserver = new NativeCapturerObserver(nativeGetInternalSource(nativeSource));
   }
 
-  // TODO(bugs.webrtc.org/9181): Remove.
-  VideoSource(long nativeSource, SurfaceTextureHelper surfaceTextureHelper) {
-    super(nativeSource);
-    this.capturerObserver =
-        new NativeCapturerObserver(nativeGetInternalSource(nativeSource), surfaceTextureHelper);
-  }
-
   /**
    * Calling this function will cause frames to be scaled down to the requested resolution. Also,
    * frames will be cropped to match the requested aspect ratio, and frames will be dropped to match
@@ -44,12 +37,6 @@ public class VideoSource extends MediaSource {
     return capturerObserver;
   }
 
-  @Override
-  public void dispose() {
-    capturerObserver.dispose();
-    super.dispose();
-  }
-
   // Returns source->internal() from webrtc::VideoTrackSourceProxy.
   private static native long nativeGetInternalSource(long source);
   private static native void nativeAdaptOutputFormat(long source, int width, int height, int fps);