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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/pc/media_stream_observer.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
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.h57
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diff --git a/third_party/libwebrtc/pc/media_stream_observer.h b/third_party/libwebrtc/pc/media_stream_observer.h
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+/*
+ * 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_