1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/BufferDecoder.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,90 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=8 sts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef BUFFER_DECODER_H_
1.11 +#define BUFFER_DECODER_H_
1.12 +
1.13 +#include "AbstractMediaDecoder.h"
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "mozilla/ReentrantMonitor.h"
1.16 +
1.17 +namespace mozilla {
1.18 +
1.19 +/**
1.20 + * This class provides a decoder object which decodes a media file that lives in
1.21 + * a memory buffer.
1.22 + */
1.23 +class BufferDecoder : public AbstractMediaDecoder
1.24 +{
1.25 +public:
1.26 + // This class holds a weak pointer to MediaResource. It's the responsibility
1.27 + // of the caller to manage the memory of the MediaResource object.
1.28 + explicit BufferDecoder(MediaResource* aResource);
1.29 + virtual ~BufferDecoder();
1.30 +
1.31 + NS_DECL_THREADSAFE_ISUPPORTS
1.32 +
1.33 + // This has to be called before decoding begins
1.34 + void BeginDecoding(nsIThread* aDecodeThread);
1.35 +
1.36 + virtual ReentrantMonitor& GetReentrantMonitor() MOZ_OVERRIDE;
1.37 +
1.38 + virtual bool IsShutdown() const MOZ_FINAL MOZ_OVERRIDE;
1.39 +
1.40 + virtual bool OnStateMachineThread() const MOZ_OVERRIDE;
1.41 +
1.42 + virtual bool OnDecodeThread() const MOZ_OVERRIDE;
1.43 +
1.44 + virtual MediaResource* GetResource() const MOZ_OVERRIDE;
1.45 +
1.46 + virtual void NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE;
1.47 +
1.48 + virtual void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) MOZ_FINAL MOZ_OVERRIDE;
1.49 +
1.50 + virtual int64_t GetEndMediaTime() const MOZ_FINAL MOZ_OVERRIDE;
1.51 +
1.52 + virtual int64_t GetMediaDuration() MOZ_OVERRIDE;
1.53 +
1.54 + virtual void SetMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
1.55 +
1.56 + virtual void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_OVERRIDE;
1.57 +
1.58 + virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE;
1.59 +
1.60 + virtual void SetTransportSeekable(bool aTransportSeekable) MOZ_OVERRIDE;
1.61 +
1.62 + virtual VideoFrameContainer* GetVideoFrameContainer() MOZ_FINAL MOZ_OVERRIDE;
1.63 + virtual layers::ImageContainer* GetImageContainer() MOZ_OVERRIDE;
1.64 +
1.65 + virtual bool IsTransportSeekable() MOZ_FINAL MOZ_OVERRIDE;
1.66 +
1.67 + virtual bool IsMediaSeekable() MOZ_FINAL MOZ_OVERRIDE;
1.68 +
1.69 + virtual void MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
1.70 + virtual void QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE;
1.71 +
1.72 + virtual void SetMediaEndTime(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
1.73 +
1.74 + virtual void UpdatePlaybackPosition(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE;
1.75 +
1.76 + virtual void OnReadMetadataCompleted() MOZ_FINAL MOZ_OVERRIDE;
1.77 +
1.78 + virtual MediaDecoderOwner* GetOwner() MOZ_OVERRIDE;
1.79 +
1.80 + virtual void NotifyWaitingForResourcesStatusChanged() MOZ_FINAL MOZ_OVERRIDE;
1.81 +
1.82 +protected:
1.83 + // This monitor object is not really used to synchronize access to anything.
1.84 + // It's just there in order for us to be able to override
1.85 + // GetReentrantMonitor correctly.
1.86 + ReentrantMonitor mReentrantMonitor;
1.87 + nsCOMPtr<nsIThread> mDecodeThread;
1.88 + nsRefPtr<MediaResource> mResource;
1.89 +};
1.90 +
1.91 +} // namespace mozilla
1.92 +
1.93 +#endif /* BUFFER_DECODER_H_ */
