1 /* 2 * libjingle 3 * Copyright 2015 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 package org.webrtc; 29 30 /** Java wrapper for a C++ RtpReceiverInterface. */ 31 public class RtpReceiver { 32 final long nativeRtpReceiver; 33 34 private MediaStreamTrack cachedTrack; 35 RtpReceiver(long nativeRtpReceiver)36 public RtpReceiver(long nativeRtpReceiver) { 37 this.nativeRtpReceiver = nativeRtpReceiver; 38 long track = nativeGetTrack(nativeRtpReceiver); 39 // We can assume that an RtpReceiver always has an associated track. 40 cachedTrack = new MediaStreamTrack(track); 41 } 42 track()43 public MediaStreamTrack track() { 44 return cachedTrack; 45 } 46 id()47 public String id() { 48 return nativeId(nativeRtpReceiver); 49 } 50 dispose()51 public void dispose() { 52 cachedTrack.dispose(); 53 free(nativeRtpReceiver); 54 } 55 56 // This should increment the reference count of the track. 57 // Will be released in dispose(). nativeGetTrack(long nativeRtpReceiver)58 private static native long nativeGetTrack(long nativeRtpReceiver); 59 nativeId(long nativeRtpReceiver)60 private static native String nativeId(long nativeRtpReceiver); 61 free(long nativeRtpReceiver)62 private static native void free(long nativeRtpReceiver); 63 }; 64