AndroidVideoTrackSource implementation

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

 /*
  *  Copyright 2013 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.
  */
 
@@ skipping 93 matching lines @@
     PeerConnection.RTCConfiguration rtcConfig =
         new PeerConnection.RTCConfiguration(iceServers);
     return createPeerConnection(rtcConfig, constraints, observer);
   }
 
   public MediaStream createLocalMediaStream(String label) {
     return new MediaStream(
         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 =
         localEglbase == null ? null : localEglbase.getEglBaseContext();
     return new VideoSource(nativeCreateVideoSource(nativeFactory,
         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));
   }
 
   public AudioSource createAudioSource(MediaConstraints constraints) {
     return new AudioSource(nativeCreateAudioSource(nativeFactory, constraints));
   }
 
   public AudioTrack createAudioTrack(String id, AudioSource source) {
@@ skipping 98 matching lines @@
       long nativeFactory, PeerConnection.RTCConfiguration rtcConfig,
       MediaConstraints constraints, long nativeObserver);
 
   private static native long nativeCreateLocalMediaStream(
       long nativeFactory, String label);
 
   private static native long nativeCreateVideoSource(
       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);
 
   private static native long nativeCreateAudioSource(
       long nativeFactory, MediaConstraints constraints);
 
   private static native long nativeCreateAudioTrack(
       long nativeFactory, String id, long nativeSource);
 
   private static native boolean nativeStartAecDump(
       long nativeFactory, int file_descriptor, int filesize_limit_bytes);
 
   private static native void nativeStopAecDump(long nativeFactory);
 
   @Deprecated
   public native void nativeSetOptions(long nativeFactory, Options options);
 
   private static native void nativeSetVideoHwAccelerationOptions(
       long nativeFactory, Object localEGLContext, Object remoteEGLContext);
 
   private static native void nativeThreadsCallbacks(long nativeFactory);
 
   private static native void nativeFreeFactory(long nativeFactory);
 }