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 "talk/base/logging.h" 34 35 namespace webrtc { 36 37 talk_base::scoped_refptr<RemoteAudioSource> RemoteAudioSource::Create() { 38 return new talk_base::RefCountedObject<RemoteAudioSource>(); 39 } 40 41 RemoteAudioSource::RemoteAudioSource() { 42 } 43 44 RemoteAudioSource::~RemoteAudioSource() { 45 ASSERT(audio_observers_.empty()); 46 } 47 48 MediaSourceInterface::SourceState RemoteAudioSource::state() const { 49 return MediaSourceInterface::kLive; 50 } 51 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 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 67 void RemoteAudioSource::UnregisterAudioObserver(AudioObserver* observer) { 68 ASSERT(observer != NULL); 69 audio_observers_.remove(observer); 70 } 71 72 } // namespace webrtc 73
