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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
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3 /* This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #ifndef BUFFER_DECODER_H_ |
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8 #define BUFFER_DECODER_H_ |
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9 |
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10 #include "AbstractMediaDecoder.h" |
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11 #include "mozilla/Attributes.h" |
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12 #include "mozilla/ReentrantMonitor.h" |
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13 |
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14 namespace mozilla { |
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15 |
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16 /** |
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17 * This class provides a decoder object which decodes a media file that lives in |
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18 * a memory buffer. |
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19 */ |
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20 class BufferDecoder : public AbstractMediaDecoder |
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21 { |
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22 public: |
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23 // This class holds a weak pointer to MediaResource. It's the responsibility |
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24 // of the caller to manage the memory of the MediaResource object. |
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25 explicit BufferDecoder(MediaResource* aResource); |
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26 virtual ~BufferDecoder(); |
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27 |
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28 NS_DECL_THREADSAFE_ISUPPORTS |
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29 |
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30 // This has to be called before decoding begins |
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31 void BeginDecoding(nsIThread* aDecodeThread); |
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32 |
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33 virtual ReentrantMonitor& GetReentrantMonitor() MOZ_OVERRIDE; |
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34 |
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35 virtual bool IsShutdown() const MOZ_FINAL MOZ_OVERRIDE; |
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36 |
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37 virtual bool OnStateMachineThread() const MOZ_OVERRIDE; |
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38 |
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39 virtual bool OnDecodeThread() const MOZ_OVERRIDE; |
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40 |
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41 virtual MediaResource* GetResource() const MOZ_OVERRIDE; |
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42 |
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43 virtual void NotifyBytesConsumed(int64_t aBytes, int64_t aOffset) MOZ_FINAL MOZ_OVERRIDE; |
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44 |
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45 virtual void NotifyDecodedFrames(uint32_t aParsed, uint32_t aDecoded) MOZ_FINAL MOZ_OVERRIDE; |
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46 |
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47 virtual int64_t GetEndMediaTime() const MOZ_FINAL MOZ_OVERRIDE; |
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48 |
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49 virtual int64_t GetMediaDuration() MOZ_OVERRIDE; |
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50 |
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51 virtual void SetMediaDuration(int64_t aDuration) MOZ_OVERRIDE; |
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52 |
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53 virtual void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_OVERRIDE; |
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54 |
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55 virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE; |
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56 |
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57 virtual void SetTransportSeekable(bool aTransportSeekable) MOZ_OVERRIDE; |
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58 |
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59 virtual VideoFrameContainer* GetVideoFrameContainer() MOZ_FINAL MOZ_OVERRIDE; |
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60 virtual layers::ImageContainer* GetImageContainer() MOZ_OVERRIDE; |
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61 |
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62 virtual bool IsTransportSeekable() MOZ_FINAL MOZ_OVERRIDE; |
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63 |
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64 virtual bool IsMediaSeekable() MOZ_FINAL MOZ_OVERRIDE; |
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65 |
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66 virtual void MetadataLoaded(int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE; |
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67 virtual void QueueMetadata(int64_t aTime, int aChannels, int aRate, bool aHasAudio, bool aHasVideo, MetadataTags* aTags) MOZ_FINAL MOZ_OVERRIDE; |
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68 |
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69 virtual void SetMediaEndTime(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE; |
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70 |
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71 virtual void UpdatePlaybackPosition(int64_t aTime) MOZ_FINAL MOZ_OVERRIDE; |
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72 |
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73 virtual void OnReadMetadataCompleted() MOZ_FINAL MOZ_OVERRIDE; |
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74 |
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75 virtual MediaDecoderOwner* GetOwner() MOZ_OVERRIDE; |
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76 |
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77 virtual void NotifyWaitingForResourcesStatusChanged() MOZ_FINAL MOZ_OVERRIDE; |
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78 |
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79 protected: |
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80 // This monitor object is not really used to synchronize access to anything. |
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81 // It's just there in order for us to be able to override |
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82 // GetReentrantMonitor correctly. |
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83 ReentrantMonitor mReentrantMonitor; |
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84 nsCOMPtr<nsIThread> mDecodeThread; |
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85 nsRefPtr<MediaResource> mResource; |
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86 }; |
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87 |
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88 } // namespace mozilla |
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89 |
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90 #endif /* BUFFER_DECODER_H_ */ |