The Tor Browser / file comparison
comparison: content/media/wmf/WMFReader.h
content/media/wmf/WMFReader.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:f5073e6d496b |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 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 #if !defined(WMFReader_h_) | |
| 7 #define WMFReader_h_ | |
| 8 | |
| 9 #include "WMF.h" | |
| 10 #include "MediaDecoderReader.h" | |
| 11 #include "nsAutoPtr.h" | |
| 12 #include "mozilla/RefPtr.h" | |
| 13 #include "nsRect.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 | |
| 17 class WMFByteStream; | |
| 18 class WMFSourceReaderCallback; | |
| 19 class DXVA2Manager; | |
| 20 | |
| 21 namespace dom { | |
| 22 class TimeRanges; | |
| 23 } | |
| 24 | |
| 25 // Decoder backend for reading H.264/AAC in MP4/M4A, and MP3 files using | |
| 26 // Windows Media Foundation. | |
| 27 class WMFReader : public MediaDecoderReader | |
| 28 { | |
| 29 public: | |
| 30 WMFReader(AbstractMediaDecoder* aDecoder); | |
| 31 | |
| 32 virtual ~WMFReader(); | |
| 33 | |
| 34 nsresult Init(MediaDecoderReader* aCloneDonor) MOZ_OVERRIDE; | |
| 35 | |
| 36 bool DecodeAudioData() MOZ_OVERRIDE; | |
| 37 bool DecodeVideoFrame(bool &aKeyframeSkip, | |
| 38 int64_t aTimeThreshold) MOZ_OVERRIDE; | |
| 39 | |
| 40 bool HasAudio() MOZ_OVERRIDE; | |
| 41 bool HasVideo() MOZ_OVERRIDE; | |
| 42 | |
| 43 nsresult ReadMetadata(MediaInfo* aInfo, | |
| 44 MetadataTags** aTags) MOZ_OVERRIDE; | |
| 45 | |
| 46 nsresult Seek(int64_t aTime, | |
| 47 int64_t aStartTime, | |
| 48 int64_t aEndTime, | |
| 49 int64_t aCurrentTime) MOZ_OVERRIDE; | |
| 50 private: | |
| 51 | |
| 52 HRESULT CreateSourceReader(); | |
| 53 HRESULT ConfigureAudioDecoder(); | |
| 54 HRESULT ConfigureVideoDecoder(); | |
| 55 HRESULT ConfigureVideoFrameGeometry(IMFMediaType* aMediaType); | |
| 56 void GetSupportedAudioCodecs(const GUID** aCodecs, uint32_t* aNumCodecs); | |
| 57 | |
| 58 HRESULT CreateBasicVideoFrame(IMFSample* aSample, | |
| 59 int64_t aTimestampUsecs, | |
| 60 int64_t aDurationUsecs, | |
| 61 int64_t aOffsetBytes, | |
| 62 VideoData** aOutVideoData); | |
| 63 | |
| 64 HRESULT CreateD3DVideoFrame(IMFSample* aSample, | |
| 65 int64_t aTimestampUsecs, | |
| 66 int64_t aDurationUsecs, | |
| 67 int64_t aOffsetBytes, | |
| 68 VideoData** aOutVideoData); | |
| 69 | |
| 70 // Attempt to initialize DXVA. Returns true on success. | |
| 71 bool InitializeDXVA(); | |
| 72 | |
| 73 RefPtr<IMFSourceReader> mSourceReader; | |
| 74 RefPtr<WMFByteStream> mByteStream; | |
| 75 RefPtr<WMFSourceReaderCallback> mSourceReaderCallback; | |
| 76 nsAutoPtr<DXVA2Manager> mDXVA2Manager; | |
| 77 | |
| 78 // Region inside the video frame that makes up the picture. Pixels outside | |
| 79 // of this region should not be rendered. | |
| 80 nsIntRect mPictureRegion; | |
| 81 | |
| 82 uint32_t mAudioChannels; | |
| 83 uint32_t mAudioBytesPerSample; | |
| 84 uint32_t mAudioRate; | |
| 85 | |
| 86 uint32_t mVideoWidth; | |
| 87 uint32_t mVideoHeight; | |
| 88 uint32_t mVideoStride; | |
| 89 | |
| 90 // The offset, in audio frames, at which playback started since the | |
| 91 // last discontinuity. | |
| 92 int64_t mAudioFrameOffset; | |
| 93 // The number of audio frames that we've played since the last | |
| 94 // discontinuity. | |
| 95 int64_t mAudioFrameSum; | |
| 96 // True if we need to re-initialize mAudioFrameOffset and mAudioFrameSum | |
| 97 // from the next audio packet we decode. This happens after a seek, since | |
| 98 // WMF doesn't mark a stream as having a discontinuity after a seek(0). | |
| 99 bool mMustRecaptureAudioPosition; | |
| 100 | |
| 101 bool mHasAudio; | |
| 102 bool mHasVideo; | |
| 103 bool mUseHwAccel; | |
| 104 | |
| 105 // We can't call WMFDecoder::IsMP3Supported() on non-main threads, since it | |
| 106 // checks a pref, so we cache its value in mIsMP3Enabled and use that on | |
| 107 // the decode thread. | |
| 108 const bool mIsMP3Enabled; | |
| 109 | |
| 110 bool mCOMInitialized; | |
| 111 }; | |
| 112 | |
| 113 } // namespace mozilla | |
| 114 | |
| 115 #endif |
