blob: 317997640490222a32e582e06b710b1591f6c55d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/*
* Copyright 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_API_MEDIASTREAMOBSERVER_H_
#define WEBRTC_API_MEDIASTREAMOBSERVER_H_
#include "webrtc/api/mediastreaminterface.h"
#include "webrtc/base/scoped_ref_ptr.h"
#include "webrtc/base/sigslot.h"
namespace webrtc {
// Helper class which will listen for changes to a stream and emit the
// corresponding signals.
class MediaStreamObserver : public ObserverInterface {
public:
explicit MediaStreamObserver(MediaStreamInterface* stream);
~MediaStreamObserver();
const MediaStreamInterface* stream() const { return stream_; }
void OnChanged() override;
sigslot::signal2<AudioTrackInterface*, MediaStreamInterface*>
SignalAudioTrackAdded;
sigslot::signal2<AudioTrackInterface*, MediaStreamInterface*>
SignalAudioTrackRemoved;
sigslot::signal2<VideoTrackInterface*, MediaStreamInterface*>
SignalVideoTrackAdded;
sigslot::signal2<VideoTrackInterface*, MediaStreamInterface*>
SignalVideoTrackRemoved;
private:
rtc::scoped_refptr<MediaStreamInterface> stream_;
AudioTrackVector cached_audio_tracks_;
VideoTrackVector cached_video_tracks_;
};
} // namespace webrtc
#endif // WEBRTC_API_MEDIASTREAMOBSERVER_H_
|
