зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.5 KiB
C++
52 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MediaStreamWindowCapturer_h
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#define MediaStreamWindowCapturer_h
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#include "DOMMediaStream.h"
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namespace mozilla {
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namespace dom {
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class AudioStreamTrack;
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class MediaStreamTrack;
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} // namespace dom
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class MediaInputPort;
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/**
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* Given a DOMMediaStream and a window id, this class will pipe the audio from
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* all live audio tracks in the stream to the MediaTrackGraph's window capture
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* mechanism.
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*/
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class MediaStreamWindowCapturer : public DOMMediaStream::TrackListener {
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public:
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MediaStreamWindowCapturer(DOMMediaStream* aStream, uint64_t aWindowId);
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~MediaStreamWindowCapturer();
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void NotifyTrackAdded(const RefPtr<dom::MediaStreamTrack>& aTrack) override;
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void NotifyTrackRemoved(const RefPtr<dom::MediaStreamTrack>& aTrack) override;
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struct CapturedTrack {
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CapturedTrack(dom::MediaStreamTrack* aTrack, uint64_t aWindowID);
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~CapturedTrack();
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const WeakPtr<dom::MediaStreamTrack> mTrack;
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const RefPtr<MediaInputPort> mPort;
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};
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const WeakPtr<DOMMediaStream> mStream;
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const uint64_t mWindowId;
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protected:
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void AddTrack(dom::AudioStreamTrack* aTrack);
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void RemoveTrack(dom::AudioStreamTrack* aTrack);
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nsTArray<UniquePtr<CapturedTrack>> mTracks;
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};
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} // namespace mozilla
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#endif /* MediaStreamWindowCapturer_h */
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