Exposing RtpSenders and RtpReceivers from PeerConnection.

talk/app/webrtc/java/src/org/webrtc/RtpSender.java

Index: talk/app/webrtc/java/src/org/webrtc/RtpSender.java
diff --git a/talk/app/webrtc/java/src/org/webrtc/CallSessionFileRotatingLogSink.java b/talk/app/webrtc/java/src/org/webrtc/RtpSender.java
similarity index 59%
copy from talk/app/webrtc/java/src/org/webrtc/CallSessionFileRotatingLogSink.java
copy to talk/app/webrtc/java/src/org/webrtc/RtpSender.java
index f7032a739bdbb24ac93dc000b9a42fb11223cc40..617bdebd2745066eb5e32640c773c9617d88db49 100644
--- a/talk/app/webrtc/java/src/org/webrtc/CallSessionFileRotatingLogSink.java
+++ b/talk/app/webrtc/java/src/org/webrtc/RtpSender.java
@@ -27,31 +27,43 @@
 
 package org.webrtc;
 
-public class CallSessionFileRotatingLogSink {
-  static {
-    System.loadLibrary("jingle_peerconnection_so");
-  }
+/** Java wrapper for a C++ RtpSenderInterface. */
+public class RtpSender {
+  final long nativeRtpSender;
+
+  private MediaStreamTrack cachedTrack;
 
-  private long nativeSink;
+  public RtpSender(long nativeRtpSender) {
+    this.nativeRtpSender = nativeRtpSender;
+    long track = nativeTrack(nativeRtpSender);
+    cachedTrack = (track == 0) ? null : new MediaStreamTrack(track);

[pthatcher1, 2015/09/23 14:47:39]

Same here as with receivers.

+  }
 
-  public static byte[] getLogData(String dirPath) {
-    return nativeGetLogData(dirPath);
+  public void setTrack(MediaStreamTrack track) {
+    if (cachedTrack != null) {
+      cachedTrack.dispose();
+    }
+    nativeSetTrack(nativeRtpSender, track.nativeTrack);
+    cachedTrack = track;
   }
 
-  public CallSessionFileRotatingLogSink(
-      String dirPath, int maxFileSize, Logging.Severity severity) {
-    nativeSink = nativeAddSink(dirPath, maxFileSize, severity.ordinal());
+  public MediaStreamTrack track() {
+    return cachedTrack;
   }
 
   public void dispose() {
-    if (nativeSink != 0) {
-      nativeDeleteSink(nativeSink);
-      nativeSink = 0;
+    free(nativeRtpSender);
+    if (cachedTrack != null) {
+      cachedTrack.dispose();
     }
   }
 
-  private static native long nativeAddSink(
-      String dirPath, int maxFileSize, int severity);
-  private static native void nativeDeleteSink(long nativeSink);
-  private static native byte[] nativeGetLogData(String dirPath);
+  private static native void nativeSetTrack(long nativeRtpSender, long nativeTrack);
+
+  // This should increment the reference count of the track, with the assumption
+  // that a MediaStreamTrack will be created which will release it.
+  private static native long nativeTrack(long nativeRtpSender);
+
+  private static native void free(long nativeRtpSender);
 }
+;