1 files changed, 58 insertions, 0 deletions
diff --git a/dom/media/VideoStreamTrack.h b/dom/media/VideoStreamTrack.h
new file mode 100644
index 0000000000..3ed040c76a
--- /dev/null
+++ b/dom/media/VideoStreamTrack.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef VIDEOSTREAMTRACK_H_
+#define VIDEOSTREAMTRACK_H_
+
+#include "MediaStreamTrack.h"
+#include "DOMMediaStream.h"
+
+namespace mozilla {
+
+class VideoFrameContainer;
+class VideoOutput;
+
+namespace dom {
+
+class VideoStreamTrack : public MediaStreamTrack {
+ public:
+  VideoStreamTrack(
+      nsPIDOMWindowInner* aWindow, mozilla::MediaTrack* aInputTrack,
+      MediaStreamTrackSource* aSource,
+      MediaStreamTrackState aState = MediaStreamTrackState::Live,
+      bool aMuted = false,
+      const MediaTrackConstraints& aConstraints = MediaTrackConstraints());
+
+  void Destroy() override;
+
+  VideoStreamTrack* AsVideoStreamTrack() override { return this; }
+  const VideoStreamTrack* AsVideoStreamTrack() const override { return this; }
+
+  void AddVideoOutput(VideoFrameContainer* aSink);
+  void AddVideoOutput(VideoOutput* aOutput);
+  void RemoveVideoOutput(VideoFrameContainer* aSink);
+  void RemoveVideoOutput(VideoOutput* aOutput);
+
+  /**
+   * Whether this VideoStreamTrack's video frames will have an alpha channel.
+   */
+  bool HasAlpha() const { return GetSource().HasAlpha(); }
+
+  // WebIDL
+  void GetKind(nsAString& aKind) override { aKind.AssignLiteral("video"); }
+
+  void GetLabel(nsAString& aLabel, CallerType aCallerType) override;
+
+ protected:
+  already_AddRefed<MediaStreamTrack> CloneInternal() override;
+
+ private:
+  nsTArray<RefPtr<VideoOutput>> mVideoOutputs;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /* VIDEOSTREAMTRACK_H_ */