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OggWriter.h


products/Sources/formale Sprachen/C/Firefox/dom/media/ogg/OggWriter.h

/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef OggWriter_h_ #define OggWriter_h_ #include #include "ContainerWriter.h" #include "OpusTrackEncoder.h" namespace mozilla { /** * WriteEncodedTrack inserts raw packets into Ogg stream (ogg_stream_state), and * GetContainerData outputs an ogg_page when enough packets have been written * to the Ogg stream. * For more details, please reference: * http://www.xiph.org/ogg/doc/libogg/encoding.html */ class OggWriter : public ContainerWriter { public: OggWriter(); ~OggWriter(); // Write frames into the ogg container. aFlags should be set to END_OF_STREAM // for the final set of frames. nsresult WriteEncodedTrack(const nsTArray>& aData, uint32_t aFlags = 0) override; nsresult GetContainerData(nsTArray>* aOutputBufs, uint32_t aFlags = 0) override; // Check metadata type integrity and reject unacceptable track encoder. nsresult SetMetadata( const nsTArray>& aMetadata) override; private: nsresult Init(); nsresult WriteEncodedData(const nsTArray& aBuffer, int aDuration, uint32_t aFlags = 0); void ProduceOggPage(nsTArray>* aOutputBufs); // Store the Medatata from track encoder RefPtr mMetadata; ogg_stream_state mOggStreamState; ogg_page mOggPage; ogg_packet mPacket; }; } // namespace mozilla #endif