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/* -*- 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 MediaStreamWindowCapturer_h
#define MediaStreamWindowCapturer_h
#include "DOMMediaStream.h"
namespace mozilla {
namespace dom {
class AudioStreamTrack;
class MediaStreamTrack;
} // namespace dom
class MediaInputPort;
/**
* Given a DOMMediaStream and a window id, this class will pipe the audio from
* all live audio tracks in the stream to the MediaTrackGraph's window capture
* mechanism.
*/
class MediaStreamWindowCapturer : public DOMMediaStream::TrackListener {
public:
MediaStreamWindowCapturer(DOMMediaStream* aStream, uint64_t aWindowId);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MediaStreamWindowCapturer,
DOMMediaStream::TrackListener)
void NotifyTrackAdded(const RefPtr<dom::MediaStreamTrack>& aTrack) override;
void NotifyTrackRemoved(const RefPtr<dom::MediaStreamTrack>& aTrack) override;
struct CapturedTrack {
CapturedTrack(dom::MediaStreamTrack* aTrack, uint64_t aWindowID);
~CapturedTrack();
const WeakPtr<dom::MediaStreamTrack> mTrack;
const RefPtr<MediaInputPort> mPort;
};
const WeakPtr<DOMMediaStream> mStream;
const uint64_t mWindowId;
protected:
~MediaStreamWindowCapturer();
void AddTrack(dom::AudioStreamTrack* aTrack);
void RemoveTrack(dom::AudioStreamTrack* aTrack);
nsTArray<UniquePtr<CapturedTrack>> mTracks;
};
} // namespace mozilla
#endif /* MediaStreamWindowCapturer_h */
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