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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/pc/media_stream_observer.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/pc/media_stream_observer.h')
-rw-r--r-- | third_party/libwebrtc/pc/media_stream_observer.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/libwebrtc/pc/media_stream_observer.h b/third_party/libwebrtc/pc/media_stream_observer.h new file mode 100644 index 0000000000..83bbd20994 --- /dev/null +++ b/third_party/libwebrtc/pc/media_stream_observer.h @@ -0,0 +1,57 @@ +/* + * 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 <functional> + +#include "api/media_stream_interface.h" +#include "api/scoped_refptr.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, + std::function<void(AudioTrackInterface*, MediaStreamInterface*)> + audio_track_added_callback, + std::function<void(AudioTrackInterface*, MediaStreamInterface*)> + audio_track_removed_callback, + std::function<void(VideoTrackInterface*, MediaStreamInterface*)> + video_track_added_callback, + std::function<void(VideoTrackInterface*, MediaStreamInterface*)> + video_track_removed_callback); + ~MediaStreamObserver() override; + + const MediaStreamInterface* stream() const { return stream_.get(); } + + void OnChanged() override; + + private: + rtc::scoped_refptr<MediaStreamInterface> stream_; + AudioTrackVector cached_audio_tracks_; + VideoTrackVector cached_video_tracks_; + const std::function<void(AudioTrackInterface*, MediaStreamInterface*)> + audio_track_added_callback_; + const std::function<void(AudioTrackInterface*, MediaStreamInterface*)> + audio_track_removed_callback_; + const std::function<void(VideoTrackInterface*, MediaStreamInterface*)> + video_track_added_callback_; + const std::function<void(VideoTrackInterface*, MediaStreamInterface*)> + video_track_removed_callback_; +}; + +} // namespace webrtc + +#endif // PC_MEDIA_STREAM_OBSERVER_H_ |