1/*
2 * libjingle
3 * Copyright 2011, 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// This file contains the implementation of MediaStreamInterface interface.
29
30#ifndef TALK_APP_WEBRTC_MEDIASTREAM_H_
31#define TALK_APP_WEBRTC_MEDIASTREAM_H_
32
33#include <string>
34#include <vector>
35
36#include "talk/app/webrtc/mediastreaminterface.h"
37#include "talk/app/webrtc/notifier.h"
38
39namespace webrtc {
40
41class MediaStream : public Notifier<MediaStreamInterface> {
42 public:
43  static talk_base::scoped_refptr<MediaStream> Create(const std::string& label);
44
45  virtual std::string label() const OVERRIDE { return label_; }
46
47  virtual bool AddTrack(AudioTrackInterface* track) OVERRIDE;
48  virtual bool AddTrack(VideoTrackInterface* track) OVERRIDE;
49  virtual bool RemoveTrack(AudioTrackInterface* track) OVERRIDE;
50  virtual bool RemoveTrack(VideoTrackInterface* track) OVERRIDE;
51  virtual talk_base::scoped_refptr<AudioTrackInterface>
52      FindAudioTrack(const std::string& track_id);
53  virtual talk_base::scoped_refptr<VideoTrackInterface>
54      FindVideoTrack(const std::string& track_id);
55
56  virtual AudioTrackVector GetAudioTracks() OVERRIDE { return audio_tracks_; }
57  virtual VideoTrackVector GetVideoTracks() OVERRIDE { return video_tracks_; }
58
59 protected:
60  explicit MediaStream(const std::string& label);
61
62 private:
63  template <typename TrackVector, typename Track>
64  bool AddTrack(TrackVector* Tracks, Track* track);
65  template <typename TrackVector>
66  bool RemoveTrack(TrackVector* Tracks, MediaStreamTrackInterface* track);
67
68  std::string label_;
69  AudioTrackVector audio_tracks_;
70  VideoTrackVector video_tracks_;
71};
72
73}  // namespace webrtc
74
75#endif  // TALK_APP_WEBRTC_MEDIASTREAM_H_
76