/* -*- 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_ */
