AndroidVideoTrackSource implementation

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

Index: webrtc/api/android/java/src/org/webrtc/PeerConnectionFactory.java
diff --git a/webrtc/api/android/java/src/org/webrtc/PeerConnectionFactory.java b/webrtc/api/android/java/src/org/webrtc/PeerConnectionFactory.java
index 2edd56e8413d2b17601a7ab8e4929e608cf6747f..8e3e11d9b93b8bdb0fcec74a77e9110f1ce0dead 100644
--- a/webrtc/api/android/java/src/org/webrtc/PeerConnectionFactory.java
+++ b/webrtc/api/android/java/src/org/webrtc/PeerConnectionFactory.java
@@ -111,8 +111,9 @@ public class PeerConnectionFactory {
         nativeCreateLocalMediaStream(nativeFactory, label));
   }
 
-  // The VideoSource takes ownership of |capturer|, so capturer.release() should not be called
-  // manually after this.
+  // The VideoSource takes ownership of |capturer|, so capturer.dispose() should not be called
+  // manually after this. Video capturer is automatically started so there is no need to call
+  // startCapture after this method.
   public VideoSource createVideoSource(
       VideoCapturer capturer, MediaConstraints constraints) {
     final EglBase.Context eglContext =
@@ -121,6 +122,17 @@ public class PeerConnectionFactory {
         eglContext, capturer, constraints));
   }
 
+  public VideoSource createVideoSource(VideoCapturer capturer) {
+    final EglBase.Context eglContext =
+        localEglbase == null ? null : localEglbase.getEglBaseContext();
+    long nativeAndroidVideoTrackSource = nativeCreateVideoSource2(nativeFactory, eglContext);
+    VideoCapturer.CapturerObserver capturerObserver
+        = new VideoCapturer.AndroidVideoTrackSourceObserver(nativeAndroidVideoTrackSource);
+    nativeInitializeVideoCapturer(nativeFactory, capturer, nativeAndroidVideoTrackSource,
+         capturerObserver);
+    return new VideoSource(nativeAndroidVideoTrackSource);
+  }
+
   public VideoTrack createVideoTrack(String id, VideoSource source) {
     return new VideoTrack(nativeCreateVideoTrack(
         nativeFactory, id, source.nativeSource));
@@ -239,6 +251,13 @@ public class PeerConnectionFactory {
       long nativeFactory, EglBase.Context eglContext, VideoCapturer videoCapturer,
       MediaConstraints constraints);
 
+  private static native long nativeCreateVideoSource2(
+      long nativeFactory, EglBase.Context eglContext);
+
+  private static native void nativeInitializeVideoCapturer(
+    long native_factory, VideoCapturer j_video_capturer, long native_source,
+    VideoCapturer.CapturerObserver j_frame_observer);
+
   private static native long nativeCreateVideoTrack(
       long nativeFactory, String id, long nativeVideoSource);