webrtc/pc/media_stream_observer.h
Mirko Bonadei d970807e0c Remove rtc_base/scoped_ref_ptr.h.
The type rtc::scoped_refptr<T> is now part of api/. Please include it from
api/scoped_refptr.h.

More info: See: https://groups.google.com/forum/#!topic/discuss-webrtc/Mme2MSz4z4o.

Bug: webrtc:9887, webrtc:8205
No-Try: True
Change-Id: Ic6c7c81e226e59f12f7933e472f573ae097b55bf
Reviewed-on: https://webrtc-review.googlesource.com/c/119041
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26414}
2019-01-25 20:29:58 +00:00

48 lines
1.5 KiB
C++

/*
* 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 PC_MEDIA_STREAM_OBSERVER_H_
#define PC_MEDIA_STREAM_OBSERVER_H_
#include "api/media_stream_interface.h"
#include "api/scoped_refptr.h"
#include "rtc_base/third_party/sigslot/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() override;
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 // PC_MEDIA_STREAM_OBSERVER_H_