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/app/webrtc/peerconnectioninterface.h"
34#include "talk/media/base/mediachannel.h"
35#include "webrtc/base/scoped_ptr.h"
36
37// LocalAudioSource implements AudioSourceInterface.
38// This contains settings for switching audio processing on and off.
39
40namespace webrtc {
41
42class MediaConstraintsInterface;
43
44class LocalAudioSource : public Notifier<AudioSourceInterface> {
45 public:
46  // Creates an instance of LocalAudioSource.
47  static rtc::scoped_refptr<LocalAudioSource> Create(
48      const PeerConnectionFactoryInterface::Options& options,
49      const MediaConstraintsInterface* constraints);
50
51  virtual SourceState state() const { return source_state_; }
52  virtual const cricket::AudioOptions& options() const { return options_; }
53
54 protected:
55  LocalAudioSource()
56      : source_state_(kInitializing) {
57  }
58
59  ~LocalAudioSource() {
60  }
61
62 private:
63  void Initialize(const PeerConnectionFactoryInterface::Options& options,
64                  const MediaConstraintsInterface* constraints);
65
66  cricket::AudioOptions options_;
67  SourceState source_state_;
68};
69
70}  // namespace webrtc
71
72#endif  // TALK_APP_WEBRTC_LOCALAUDIOSOURCE_H_
73