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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
11 * this list of conditions and the following disclaimer in the documentation | 11 * this list of conditions and the following disclaimer in the documentation |
12 * and/or other materials provided with the distribution. | 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 | 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. | 14 * derived from this software without specific prior written permission. |
15 * | 15 * |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | 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 | 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | 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, | 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | 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 | 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 #include "talk/app/webrtc/remoteaudiotrack.h" | 28 #include "talk/app/webrtc/remoteaudiotrack.h" |
29 | |
30 #include "talk/app/webrtc/remoteaudiosource.h" | |
31 | |
32 using rtc::scoped_refptr; | |
33 | |
34 namespace webrtc { | |
35 | |
36 // static | |
37 scoped_refptr<RemoteAudioTrack> RemoteAudioTrack::Create( | |
38 const std::string& id, | |
39 const scoped_refptr<RemoteAudioSource>& source) { | |
40 return new rtc::RefCountedObject<RemoteAudioTrack>(id, source); | |
41 } | |
42 | |
43 RemoteAudioTrack::RemoteAudioTrack( | |
44 const std::string& label, | |
45 const scoped_refptr<RemoteAudioSource>& source) | |
46 : MediaStreamTrack<AudioTrackInterface>(label), audio_source_(source) { | |
47 audio_source_->RegisterObserver(this); | |
48 TrackState new_state = kInitializing; | |
49 switch (audio_source_->state()) { | |
50 case MediaSourceInterface::kLive: | |
51 case MediaSourceInterface::kMuted: | |
52 new_state = kLive; | |
53 break; | |
54 case MediaSourceInterface::kEnded: | |
55 new_state = kEnded; | |
56 break; | |
57 case MediaSourceInterface::kInitializing: | |
58 default: | |
the sun
2015/12/11 19:46:29
RTC_NOTREACHED()
tommi
2015/12/12 00:33:11
this is actually intended (i.e. kInitializing). A
| |
59 break; | |
60 } | |
61 set_state(new_state); | |
62 } | |
63 | |
64 RemoteAudioTrack::~RemoteAudioTrack() { | |
65 set_state(MediaStreamTrackInterface::kEnded); | |
66 audio_source_->UnregisterObserver(this); | |
67 } | |
68 | |
69 std::string RemoteAudioTrack::kind() const { | |
70 return MediaStreamTrackInterface::kAudioKind; | |
71 } | |
72 | |
73 AudioSourceInterface* RemoteAudioTrack::GetSource() const { | |
74 return audio_source_.get(); | |
75 } | |
76 | |
77 void RemoteAudioTrack::AddSink(AudioTrackSinkInterface* sink) { | |
78 audio_source_->AddSink(sink); | |
79 } | |
80 | |
81 void RemoteAudioTrack::RemoveSink(AudioTrackSinkInterface* sink) { | |
82 audio_source_->RemoveSink(sink); | |
83 } | |
84 | |
85 bool RemoteAudioTrack::GetSignalLevel(int* level) { | |
86 return false; | |
87 } | |
88 | |
89 void RemoteAudioTrack::OnChanged() { | |
90 if (audio_source_->state() == MediaSourceInterface::kEnded) | |
91 set_state(MediaStreamTrackInterface::kEnded); | |
92 } | |
93 | |
94 } // namespace webrtc | |
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