gecko-dev/dom/media/mediasource/MediaSourceDecoder.h

88 строки
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 MOZILLA_MEDIASOURCEDECODER_H_
#define MOZILLA_MEDIASOURCEDECODER_H_
#include "MediaDecoder.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
class MediaDecoderStateMachine;
class MediaSourceDemuxer;
class MediaSourceResource;
namespace dom {
class MediaSource;
} // namespace dom
class MediaSourceDecoder : public MediaDecoder
{
public:
explicit MediaSourceDecoder(MediaDecoderInit& aInit);
nsresult Load(nsIPrincipal* aPrincipal);
media::TimeIntervals GetSeekable() override;
media::TimeIntervals GetBuffered() override;
void Shutdown() override;
void AttachMediaSource(dom::MediaSource* aMediaSource);
void DetachMediaSource();
void Ended(bool aEnded);
// Return the duration of the video in seconds.
double GetDuration() override;
void SetInitialDuration(int64_t aDuration);
void SetMediaSourceDuration(double aDuration);
MediaSourceDemuxer* GetDemuxer()
{
return mDemuxer;
}
bool IsTransportSeekable() override { return true; }
// Returns a string describing the state of the MediaSource internal
// buffered data. Used for debugging purposes.
void GetMozDebugReaderData(nsACString& aString) override;
void AddSizeOfResources(ResourceSizes* aSizes) override;
MediaDecoderOwner::NextFrameStatus NextFrameBufferedStatus() override;
bool IsMSE() const override { return true; }
void NotifyInitDataArrived();
private:
MediaResource* GetResource() const override final;
MediaDecoderStateMachine* CreateStateMachine();
void DoSetMediaSourceDuration(double aDuration);
media::TimeInterval ClampIntervalToEnd(const media::TimeInterval& aInterval);
bool CanPlayThroughImpl() override;
bool IsLiveStream() override final { return !mEnded; }
RefPtr<MediaSourceResource> mResource;
// The owning MediaSource holds a strong reference to this decoder, and
// calls Attach/DetachMediaSource on this decoder to set and clear
// mMediaSource.
dom::MediaSource* mMediaSource;
RefPtr<MediaSourceDemuxer> mDemuxer;
bool mEnded;
};
} // namespace mozilla
#endif /* MOZILLA_MEDIASOURCEDECODER_H_ */