The Tor Browser / file comparison
comparison: content/media/mediasource/SubBufferDecoder.h
content/media/mediasource/SubBufferDecoder.h
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
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| -1:000000000000 | 0:befeeb59a084 |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef MOZILLA_SUBBUFFERDECODER_H_ | |
| 8 #define MOZILLA_SUBBUFFERDECODER_H_ | |
| 9 | |
| 10 #include "BufferDecoder.h" | |
| 11 #include "SourceBufferResource.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 | |
| 15 class MediaSourceDecoder; | |
| 16 | |
| 17 class SubBufferDecoder : public BufferDecoder | |
| 18 { | |
| 19 public: | |
| 20 // This class holds a weak pointer to MediaResource. It's the responsibility | |
| 21 // of the caller to manage the memory of the MediaResource object. | |
| 22 SubBufferDecoder(MediaResource* aResource, MediaSourceDecoder* aParentDecoder) | |
| 23 : BufferDecoder(aResource), mParentDecoder(aParentDecoder), mReader(nullptr) | |
| 24 { | |
| 25 } | |
| 26 | |
| 27 void SetReader(MediaDecoderReader* aReader) | |
| 28 { | |
| 29 MOZ_ASSERT(!mReader); | |
| 30 mReader = aReader; | |
| 31 } | |
| 32 | |
| 33 MediaDecoderReader* GetReader() | |
| 34 { | |
| 35 return mReader; | |
| 36 } | |
| 37 | |
| 38 virtual ReentrantMonitor& GetReentrantMonitor() MOZ_OVERRIDE; | |
| 39 virtual bool OnStateMachineThread() const MOZ_OVERRIDE; | |
| 40 virtual bool OnDecodeThread() const MOZ_OVERRIDE; | |
| 41 virtual SourceBufferResource* GetResource() const MOZ_OVERRIDE; | |
| 42 virtual void SetMediaDuration(int64_t aDuration) MOZ_OVERRIDE; | |
| 43 virtual void UpdateEstimatedMediaDuration(int64_t aDuration) MOZ_OVERRIDE; | |
| 44 virtual void SetMediaSeekable(bool aMediaSeekable) MOZ_OVERRIDE; | |
| 45 virtual void SetTransportSeekable(bool aTransportSeekable) MOZ_OVERRIDE; | |
| 46 virtual layers::ImageContainer* GetImageContainer() MOZ_OVERRIDE; | |
| 47 virtual MediaDecoderOwner* GetOwner() MOZ_OVERRIDE; | |
| 48 | |
| 49 void NotifyDataArrived(const char* aBuffer, uint32_t aLength, int64_t aOffset) | |
| 50 { | |
| 51 mReader->NotifyDataArrived(aBuffer, aLength, aOffset); | |
| 52 | |
| 53 // XXX: Params make no sense to parent decoder as it relates to a | |
| 54 // specific SubBufferDecoder's data stream. Pass bogus values here to | |
| 55 // force parent decoder's state machine to recompute end time for | |
| 56 // infinite length media. | |
| 57 mParentDecoder->NotifyDataArrived(nullptr, 0, 0); | |
| 58 } | |
| 59 | |
| 60 nsresult GetBuffered(dom::TimeRanges* aBuffered) | |
| 61 { | |
| 62 // XXX: Need mStartTime (from StateMachine) instead of passing 0. | |
| 63 return mReader->GetBuffered(aBuffered, 0); | |
| 64 } | |
| 65 | |
| 66 // Given a time convert it into an approximate byte offset from the | |
| 67 // cached data. Returns -1 if no such value is computable. | |
| 68 int64_t ConvertToByteOffset(double aTime); | |
| 69 | |
| 70 int64_t GetMediaDuration() MOZ_OVERRIDE | |
| 71 { | |
| 72 return mMediaDuration; | |
| 73 } | |
| 74 | |
| 75 private: | |
| 76 MediaSourceDecoder* mParentDecoder; | |
| 77 nsAutoPtr<MediaDecoderReader> mReader; | |
| 78 int64_t mMediaDuration; | |
| 79 }; | |
| 80 | |
| 81 } // namespace mozilla | |
| 82 | |
| 83 #endif /* MOZILLA_SUBBUFFERDECODER_H_ */ |
