1 files changed, 79 insertions, 0 deletions
diff --git a/talk/app/webrtc/java/src/org/webrtc/RtpSender.java b/talk/app/webrtc/java/src/org/webrtc/RtpSender.java
new file mode 100644
index 0000000000..37357c0657
--- /dev/null
+++ b/talk/app/webrtc/java/src/org/webrtc/RtpSender.java
@@ -0,0 +1,79 @@
+/*
+ * libjingle
+ * Copyright 2015 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.webrtc;
+
+/** Java wrapper for a C++ RtpSenderInterface. */
+public class RtpSender {
+  final long nativeRtpSender;
+
+  private MediaStreamTrack cachedTrack;
+
+  public RtpSender(long nativeRtpSender) {
+    this.nativeRtpSender = nativeRtpSender;
+    long track = nativeGetTrack(nativeRtpSender);
+    // It may be possible for an RtpSender to be created without a track.
+    cachedTrack = (track == 0) ? null : new MediaStreamTrack(track);
+  }
+
+  // NOTE: This should not be called with a track that's already used by
+  // another RtpSender, because then it would be double-disposed.
+  public void setTrack(MediaStreamTrack track) {
+    if (cachedTrack != null) {
+      cachedTrack.dispose();
+    }
+    cachedTrack = track;
+    nativeSetTrack(nativeRtpSender, (track == null) ? 0 : track.nativeTrack);
+  }
+
+  public MediaStreamTrack track() {
+    return cachedTrack;
+  }
+
+  public String id() {
+    return nativeId(nativeRtpSender);
+  }
+
+  public void dispose() {
+    if (cachedTrack != null) {
+      cachedTrack.dispose();
+    }
+    free(nativeRtpSender);
+  }
+
+  private static native void nativeSetTrack(long nativeRtpSender,
+                                            long nativeTrack);
+
+  // This should increment the reference count of the track.
+  // Will be released in dispose() or setTrack().
+  private static native long nativeGetTrack(long nativeRtpSender);
+
+  private static native String nativeId(long nativeRtpSender);
+
+  private static native void free(long nativeRtpSender);
+}
+;