1 /* 2 * libjingle 3 * Copyright 2012, 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 #ifndef TALK_APP_WEBRTC_LOCALAUDIOSOURCE_H_ 29 #define TALK_APP_WEBRTC_LOCALAUDIOSOURCE_H_ 30 31 #include "talk/app/webrtc/mediastreaminterface.h" 32 #include "talk/app/webrtc/notifier.h" 33 #include "talk/base/scoped_ptr.h" 34 #include "talk/media/base/mediachannel.h" 35 36 // LocalAudioSource implements AudioSourceInterface. 37 // This contains settings for switching audio processing on and off. 38 39 namespace webrtc { 40 41 class MediaConstraintsInterface; 42 43 class LocalAudioSource : public Notifier<AudioSourceInterface> { 44 public: 45 // Creates an instance of LocalAudioSource. 46 static talk_base::scoped_refptr<LocalAudioSource> Create( 47 const MediaConstraintsInterface* constraints); 48 49 virtual SourceState state() const { return source_state_; } 50 virtual const cricket::AudioOptions& options() const { return options_; } 51 52 protected: 53 LocalAudioSource() 54 : source_state_(kInitializing) { 55 } 56 57 ~LocalAudioSource() { 58 } 59 60 private: 61 void Initialize(const MediaConstraintsInterface* constraints); 62 63 cricket::AudioOptions options_; 64 SourceState source_state_; 65 }; 66 67 } // namespace webrtc 68 69 #endif // TALK_APP_WEBRTC_LOCALAUDIOSOURCE_H_ 70