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140 lines
4.6 KiB
C++
140 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_SOURCEBUFFERDECODER_H_
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#define MOZILLA_SOURCEBUFFERDECODER_H_
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#include "AbstractMediaDecoder.h"
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#include "MediaDecoderReader.h"
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#include "SourceBufferResource.h"
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#include "mozilla/Attributes.h"
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#ifdef MOZ_EME
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#include "mozilla/CDMProxy.h"
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#endif
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#include "mozilla/ReentrantMonitor.h"
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namespace mozilla {
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class MediaResource;
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class MediaDecoderReader;
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namespace dom {
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class TimeRanges;
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} // namespace dom
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class SourceBufferDecoder : public AbstractMediaDecoder
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{
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public:
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// This class holds a weak pointer to MediaResource. It's the responsibility
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// of the caller to manage the memory of the MediaResource object.
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SourceBufferDecoder(MediaResource* aResource, AbstractMediaDecoder* aParentDecoder);
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NS_DECL_THREADSAFE_ISUPPORTS
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virtual bool IsMediaSeekable() MOZ_FINAL MOZ_OVERRIDE;
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virtual bool IsShutdown() const MOZ_FINAL MOZ_OVERRIDE;
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virtual bool IsTransportSeekable() MOZ_FINAL MOZ_OVERRIDE;
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virtual bool OnDecodeThread() const MOZ_FINAL MOZ_OVERRIDE;
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virtual bool OnStateMachineThread() const MOZ_FINAL MOZ_OVERRIDE;
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virtual int64_t GetMediaDuration() MOZ_FINAL MOZ_OVERRIDE;
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virtual layers::ImageContainer* GetImageContainer() MOZ_FINAL MOZ_OVERRIDE;
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virtual MediaDecoderOwner* GetOwner() MOZ_FINAL MOZ_OVERRIDE;
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virtual SourceBufferResource* GetResource() const MOZ_FINAL MOZ_OVERRIDE;
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virtual ReentrantMonitor& GetReentrantMonitor() MOZ_FINAL MOZ_OVERRIDE;
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virtual VideoFrameContainer* GetVideoFrameContainer() MOZ_FINAL MOZ_OVERRIDE;
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virtual void MetadataLoaded(MediaInfo* aInfo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
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virtual void NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE;
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virtual void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE;
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virtual void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) MOZ_FINAL MOZ_OVERRIDE;
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virtual void NotifyWaitingForResourcesStatusChanged() MOZ_FINAL MOZ_OVERRIDE;
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virtual void OnReadMetadataCompleted() MOZ_FINAL MOZ_OVERRIDE;
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virtual void QueueMetadata(int64_t aTime, MediaInfo* aInfo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
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virtual void RemoveMediaTracks() MOZ_FINAL MOZ_OVERRIDE;
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virtual void SetMediaDuration(int64_t aDuration) MOZ_FINAL MOZ_OVERRIDE;
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virtual void SetMediaEndTime(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
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virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_FINAL MOZ_OVERRIDE;
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virtual void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_FINAL MOZ_OVERRIDE;
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virtual void UpdatePlaybackPosition(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
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// SourceBufferResource specific interface below.
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// Warning: this mirrors GetBuffered in MediaDecoder, but this class's base is
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// AbstractMediaDecoder, which does not supply this interface.
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nsresult GetBuffered(dom::TimeRanges* aBuffered);
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void SetReader(MediaDecoderReader* aReader)
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{
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MOZ_ASSERT(!mReader);
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mReader = aReader;
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}
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MediaDecoderReader* GetReader()
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{
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return mReader;
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}
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void SetTaskQueue(MediaTaskQueue* aTaskQueue)
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{
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MOZ_ASSERT((!mTaskQueue && aTaskQueue) || (mTaskQueue && !aTaskQueue));
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mTaskQueue = aTaskQueue;
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}
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void BreakCycles()
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{
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if (mReader) {
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mReader->BreakCycles();
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mReader = nullptr;
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}
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mTaskQueue = nullptr;
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#ifdef MOZ_EME
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mCDMProxy = nullptr;
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#endif
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}
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#ifdef MOZ_EME
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virtual nsresult SetCDMProxy(CDMProxy* aProxy)
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{
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MOZ_ASSERT(NS_IsMainThread());
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ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
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mCDMProxy = aProxy;
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return NS_OK;
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}
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virtual CDMProxy* GetCDMProxy() MOZ_OVERRIDE
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{
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MOZ_ASSERT(OnDecodeThread() || NS_IsMainThread());
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ReentrantMonitorAutoEnter mon(GetReentrantMonitor());
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return mCDMProxy;
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}
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#endif
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// Given a time convert it into an approximate byte offset from the
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// cached data. Returns -1 if no such value is computable.
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int64_t ConvertToByteOffset(double aTime);
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private:
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virtual ~SourceBufferDecoder();
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// Our TrackBuffer's task queue, this is only non-null during initialization.
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RefPtr<MediaTaskQueue> mTaskQueue;
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nsRefPtr<MediaResource> mResource;
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AbstractMediaDecoder* mParentDecoder;
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nsRefPtr<MediaDecoderReader> mReader;
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int64_t mMediaDuration;
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#ifdef MOZ_EME
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nsRefPtr<CDMProxy> mCDMProxy;
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#endif
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};
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} // namespace mozilla
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#endif /* MOZILLA_SOURCEBUFFERDECODER_H_ */
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