1 /*
2 * libjingle
3 * Copyright 2014, 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 #include "talk/app/webrtc/remoteaudiosource.h"
29
30 #include <algorithm>
31 #include <functional>
32
33 #include "webrtc/base/logging.h"
34
35 namespace webrtc {
36
Create()37 rtc::scoped_refptr<RemoteAudioSource> RemoteAudioSource::Create() {
38 return new rtc::RefCountedObject<RemoteAudioSource>();
39 }
40
RemoteAudioSource()41 RemoteAudioSource::RemoteAudioSource() {
42 }
43
~RemoteAudioSource()44 RemoteAudioSource::~RemoteAudioSource() {
45 ASSERT(audio_observers_.empty());
46 }
47
state() const48 MediaSourceInterface::SourceState RemoteAudioSource::state() const {
49 return MediaSourceInterface::kLive;
50 }
51
SetVolume(double volume)52 void RemoteAudioSource::SetVolume(double volume) {
53 ASSERT(volume >= 0 && volume <= 10);
54 for (AudioObserverList::iterator it = audio_observers_.begin();
55 it != audio_observers_.end(); ++it) {
56 (*it)->OnSetVolume(volume);
57 }
58 }
59
RegisterAudioObserver(AudioObserver * observer)60 void RemoteAudioSource::RegisterAudioObserver(AudioObserver* observer) {
61 ASSERT(observer != NULL);
62 ASSERT(std::find(audio_observers_.begin(), audio_observers_.end(),
63 observer) == audio_observers_.end());
64 audio_observers_.push_back(observer);
65 }
66
UnregisterAudioObserver(AudioObserver * observer)67 void RemoteAudioSource::UnregisterAudioObserver(AudioObserver* observer) {
68 ASSERT(observer != NULL);
69 audio_observers_.remove(observer);
70 }
71
72 } // namespace webrtc
73