michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=8 sts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef BUFFER_DECODER_H_
michael@0: #define BUFFER_DECODER_H_
michael@0: 
michael@0: #include "AbstractMediaDecoder.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/ReentrantMonitor.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: /**
michael@0:  * This class provides a decoder object which decodes a media file that lives in
michael@0:  * a memory buffer.
michael@0:  */
michael@0: class BufferDecoder : public AbstractMediaDecoder
michael@0: {
michael@0: public:
michael@0:   // This class holds a weak pointer to MediaResource.  It's the responsibility
michael@0:   // of the caller to manage the memory of the MediaResource object.
michael@0:   explicit BufferDecoder(MediaResource* aResource);
michael@0:   virtual ~BufferDecoder();
michael@0: 
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0: 
michael@0:   // This has to be called before decoding begins
michael@0:   void BeginDecoding(nsIThread* aDecodeThread);
michael@0: 
michael@0:   virtual ReentrantMonitor& GetReentrantMonitor() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsShutdown() const MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool OnStateMachineThread() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool OnDecodeThread() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual MediaResource* GetResource() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual int64_t GetEndMediaTime() const MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual int64_t GetMediaDuration() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetTransportSeekable(bool aTransportSeekable) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual VideoFrameContainer* GetVideoFrameContainer() MOZ_FINAL MOZ_OVERRIDE;
michael@0:   virtual layers::ImageContainer* GetImageContainer() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsTransportSeekable() MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsMediaSeekable() MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
michael@0:   virtual void QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetMediaEndTime(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void UpdatePlaybackPosition(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void OnReadMetadataCompleted() MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual MediaDecoderOwner* GetOwner() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void NotifyWaitingForResourcesStatusChanged() MOZ_FINAL MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   // This monitor object is not really used to synchronize access to anything.
michael@0:   // It's just there in order for us to be able to override
michael@0:   // GetReentrantMonitor correctly.
michael@0:   ReentrantMonitor mReentrantMonitor;
michael@0:   nsCOMPtr<nsIThread> mDecodeThread;
michael@0:   nsRefPtr<MediaResource> mResource;
michael@0: };
michael@0: 
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* BUFFER_DECODER_H_ */