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89 lines
2.9 KiB
C++
89 lines
2.9 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 BUFFER_DECODER_H_
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#define BUFFER_DECODER_H_
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#include "AbstractMediaDecoder.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/ReentrantMonitor.h"
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namespace mozilla {
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/**
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* This class provides a decoder object which decodes a media file that lives in
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* a memory buffer.
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*/
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class BufferDecoder : public AbstractMediaDecoder
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{
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public:
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// This class holds a weak pointer to MediaResouce. It's the responsibility
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// of the caller to manage the memory of the MediaResource object.
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explicit BufferDecoder(MediaResource* aResource);
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virtual ~BufferDecoder();
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NS_DECL_THREADSAFE_ISUPPORTS
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// This has to be called before decoding begins
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void BeginDecoding(nsIThread* aDecodeThread);
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ReentrantMonitor& GetReentrantMonitor() MOZ_OVERRIDE;
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bool IsShutdown() const MOZ_FINAL MOZ_OVERRIDE;
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bool OnStateMachineThread() const MOZ_OVERRIDE;
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bool OnDecodeThread() const MOZ_OVERRIDE;
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MediaResource* GetResource() const MOZ_FINAL MOZ_OVERRIDE;
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void NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE;
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void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) MOZ_FINAL MOZ_OVERRIDE;
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int64_t GetEndMediaTime() const MOZ_FINAL MOZ_OVERRIDE;
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int64_t GetMediaDuration() MOZ_FINAL MOZ_OVERRIDE;
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void SetMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
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void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
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void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE;
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void SetTransportSeekable(bool aTransportSeekable) MOZ_OVERRIDE;
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VideoFrameContainer* GetVideoFrameContainer() MOZ_FINAL MOZ_OVERRIDE;
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layers::ImageContainer* GetImageContainer() MOZ_OVERRIDE;
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bool IsTransportSeekable() MOZ_FINAL MOZ_OVERRIDE;
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bool IsMediaSeekable() MOZ_FINAL MOZ_OVERRIDE;
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void MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
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void QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
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void SetMediaEndTime(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
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void UpdatePlaybackPosition(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
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void OnReadMetadataCompleted() MOZ_FINAL MOZ_OVERRIDE;
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MediaDecoderOwner* GetOwner() MOZ_FINAL MOZ_OVERRIDE;
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private:
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// This monitor object is not really used to synchronize access to anything.
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// It's just there in order for us to be able to override
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// GetReentrantMonitor correctly.
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ReentrantMonitor mReentrantMonitor;
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nsCOMPtr<nsIThread> mDecodeThread;
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nsRefPtr<MediaResource> mResource;
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};
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} // namespace mozilla
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#endif /* BUFFER_DECODER_H_ */
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