The Tor Browser / file comparison
comparison: content/media/encoder/ContainerWriter.h
content/media/encoder/ContainerWriter.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:0576db6c8550 |
|---|---|
| 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 ContainerWriter_h_ | |
| 7 #define ContainerWriter_h_ | |
| 8 | |
| 9 #include "nsTArray.h" | |
| 10 #include "nsAutoPtr.h" | |
| 11 #include "EncodedFrameContainer.h" | |
| 12 #include "TrackMetadataBase.h" | |
| 13 | |
| 14 namespace mozilla { | |
| 15 /** | |
| 16 * ContainerWriter packs encoded track data into a specific media container. | |
| 17 */ | |
| 18 class ContainerWriter { | |
| 19 public: | |
| 20 ContainerWriter() | |
| 21 : mInitialized(false) | |
| 22 , mIsWritingComplete(false) | |
| 23 {} | |
| 24 virtual ~ContainerWriter() {} | |
| 25 // Mapping to DOMLocalMediaStream::TrackTypeHints | |
| 26 enum { | |
| 27 CREATE_AUDIO_TRACK = 1 << 0, | |
| 28 CREATE_VIDEO_TRACK = 1 << 1, | |
| 29 }; | |
| 30 enum { | |
| 31 END_OF_STREAM = 1 << 0 | |
| 32 }; | |
| 33 | |
| 34 /** | |
| 35 * Writes encoded track data from aBuffer to a packet, and insert this packet | |
| 36 * into the internal stream of container writer. aDuration is the playback | |
| 37 * duration of this packet in number of samples. aFlags is true with | |
| 38 * END_OF_STREAM if this is the last packet of track. | |
| 39 * Currently, WriteEncodedTrack doesn't support multiple tracks. | |
| 40 */ | |
| 41 virtual nsresult WriteEncodedTrack(const EncodedFrameContainer& aData, | |
| 42 uint32_t aFlags = 0) = 0; | |
| 43 | |
| 44 /** | |
| 45 * Set the meta data pointer into muxer | |
| 46 * This function will check the integrity of aMetadata. | |
| 47 * If the meta data isn't well format, this function will return NS_ERROR_FAILURE to caller, | |
| 48 * else save the pointer to mMetadata and return NS_OK. | |
| 49 */ | |
| 50 virtual nsresult SetMetadata(TrackMetadataBase* aMetadata) = 0; | |
| 51 | |
| 52 /** | |
| 53 * Indicate if the writer has finished to output data | |
| 54 */ | |
| 55 virtual bool IsWritingComplete() { return mIsWritingComplete; } | |
| 56 | |
| 57 enum { | |
| 58 FLUSH_NEEDED = 1 << 0, | |
| 59 GET_HEADER = 1 << 1 | |
| 60 }; | |
| 61 | |
| 62 /** | |
| 63 * Copies the final container data to a buffer if it has accumulated enough | |
| 64 * packets from WriteEncodedTrack. This buffer of data is appended to | |
| 65 * aOutputBufs, and existing elements of aOutputBufs should not be modified. | |
| 66 * aFlags is true with FLUSH_NEEDED will force OggWriter to flush an ogg page | |
| 67 * even it is not full, and copy these container data to a buffer for | |
| 68 * aOutputBufs to append. | |
| 69 */ | |
| 70 virtual nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs, | |
| 71 uint32_t aFlags = 0) = 0; | |
| 72 protected: | |
| 73 bool mInitialized; | |
| 74 bool mIsWritingComplete; | |
| 75 }; | |
| 76 } | |
| 77 #endif |
