The Tor Browser / file comparison
comparison: content/media/webm/WebMWriter.h
content/media/webm/WebMWriter.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:3ee186d06650 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef WebMWriter_h_ | |
| 7 #define WebMWriter_h_ | |
| 8 | |
| 9 #include "ContainerWriter.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 | |
| 13 class EbmlComposer; | |
| 14 | |
| 15 // Vorbis meta data structure | |
| 16 class VorbisMetadata : public TrackMetadataBase | |
| 17 { | |
| 18 public: | |
| 19 nsTArray<uint8_t> mData; | |
| 20 int32_t mChannels; | |
| 21 int32_t mBitDepth; | |
| 22 float mSamplingFrequency; | |
| 23 MetadataKind GetKind() const MOZ_OVERRIDE { return METADATA_VORBIS; } | |
| 24 }; | |
| 25 | |
| 26 // VP8 meta data structure | |
| 27 class VP8Metadata : public TrackMetadataBase | |
| 28 { | |
| 29 public: | |
| 30 int32_t mWidth; | |
| 31 int32_t mHeight; | |
| 32 int32_t mDisplayWidth; | |
| 33 int32_t mDisplayHeight; | |
| 34 int32_t mEncodedFrameRate; | |
| 35 MetadataKind GetKind() const MOZ_OVERRIDE { return METADATA_VP8; } | |
| 36 }; | |
| 37 | |
| 38 /** | |
| 39 * WebM writer helper | |
| 40 * This class accepts encoder to set audio or video meta data or | |
| 41 * encoded data to ebml Composer, and get muxing data through GetContainerData. | |
| 42 * The ctor/dtor run in the MediaRecorder thread, others run in MediaEncoder thread. | |
| 43 */ | |
| 44 class WebMWriter : public ContainerWriter | |
| 45 { | |
| 46 public: | |
| 47 // aTrackTypes indicate this muxer should multiplex into Video only or A/V foramt. | |
| 48 // Run in MediaRecorder thread | |
| 49 WebMWriter(uint32_t aTrackTypes); | |
| 50 // WriteEncodedTrack inserts raw packets into WebM stream. | |
| 51 nsresult WriteEncodedTrack(const EncodedFrameContainer &aData, | |
| 52 uint32_t aFlags = 0) MOZ_OVERRIDE; | |
| 53 | |
| 54 // GetContainerData outputs multiplexing data. | |
| 55 // aFlags indicates the muxer should enter into finished stage and flush out | |
| 56 // queue data. | |
| 57 nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs, | |
| 58 uint32_t aFlags = 0) MOZ_OVERRIDE; | |
| 59 | |
| 60 // Assign metadata into muxer | |
| 61 nsresult SetMetadata(TrackMetadataBase* aMetadata) MOZ_OVERRIDE; | |
| 62 | |
| 63 private: | |
| 64 nsAutoPtr<EbmlComposer> mEbmlComposer; | |
| 65 | |
| 66 // Indicate what kind of meta data needed in the writer. | |
| 67 // If this value become 0, it means writer can start to generate header. | |
| 68 uint8_t mMetadataRequiredFlag; | |
| 69 }; | |
| 70 | |
| 71 } | |
| 72 #endif |
