1 /*
2  * libjingle
3  * Copyright 2013 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++ MediaStreamTrackInterface. */
31 public class MediaStreamTrack {
32   /** Tracks MediaStreamTrackInterface.TrackState */
33   public enum State {
34     INITIALIZING, LIVE, ENDED, FAILED
35   }
36 
37   final long nativeTrack;
38 
MediaStreamTrack(long nativeTrack)39   public MediaStreamTrack(long nativeTrack) {
40     this.nativeTrack = nativeTrack;
41   }
42 
id()43   public String id() {
44     return nativeId(nativeTrack);
45   }
46 
kind()47   public String kind() {
48     return nativeKind(nativeTrack);
49   }
50 
enabled()51   public boolean enabled() {
52     return nativeEnabled(nativeTrack);
53   }
54 
setEnabled(boolean enable)55   public boolean setEnabled(boolean enable) {
56     return nativeSetEnabled(nativeTrack, enable);
57   }
58 
state()59   public State state() {
60     return nativeState(nativeTrack);
61   }
62 
setState(State newState)63   public boolean setState(State newState) {
64     return nativeSetState(nativeTrack, newState.ordinal());
65   }
66 
dispose()67   public void dispose() {
68     free(nativeTrack);
69   }
70 
nativeId(long nativeTrack)71   private static native String nativeId(long nativeTrack);
72 
nativeKind(long nativeTrack)73   private static native String nativeKind(long nativeTrack);
74 
nativeEnabled(long nativeTrack)75   private static native boolean nativeEnabled(long nativeTrack);
76 
nativeSetEnabled( long nativeTrack, boolean enabled)77   private static native boolean nativeSetEnabled(
78       long nativeTrack, boolean enabled);
79 
nativeState(long nativeTrack)80   private static native State nativeState(long nativeTrack);
81 
nativeSetState( long nativeTrack, int newState)82   private static native boolean nativeSetState(
83       long nativeTrack, int newState);
84 
free(long nativeTrack)85   private static native void free(long nativeTrack);
86 }
87