gecko-dev/dom/media/MediaStreamVideoSink.h

47 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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 MEDIASTREAMVIDEOSINK_H_
#define MEDIASTREAMVIDEOSINK_H_
#include "mozilla/Pair.h"
#include "gfxPoint.h"
#include "MediaStreamListener.h"
namespace mozilla {
class VideoFrameContainer;
/**
* Base class of MediaStreamVideoSink family. This is the output of MediaStream.
*/
class MediaStreamVideoSink : public DirectMediaStreamTrackListener {
public:
// Method of DirectMediaStreamTrackListener.
void NotifyRealtimeTrackData(MediaStreamGraph* aGraph,
StreamTime aTrackOffset,
const MediaSegment& aMedia) override;
// Call on any thread
virtual void SetCurrentFrames(const VideoSegment& aSegment) = 0;
virtual void ClearFrames() = 0;
virtual VideoFrameContainer* AsVideoFrameContainer() { return nullptr; }
virtual void Invalidate() {}
virtual MediaStreamVideoSink* AsMediaStreamVideoSink() override {
return this;
}
protected:
virtual ~MediaStreamVideoSink(){};
};
} // namespace mozilla
#endif /* MEDIASTREAMVIDEOSINK_H_ */