michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef OggWriter_h_
michael@0: #define OggWriter_h_
michael@0: 
michael@0: #include "ContainerWriter.h"
michael@0: #include "OpusTrackEncoder.h"
michael@0: #include <ogg/ogg.h>
michael@0: 
michael@0: namespace mozilla {
michael@0: /**
michael@0:  * WriteEncodedTrack inserts raw packets into Ogg stream (ogg_stream_state), and
michael@0:  * GetContainerData outputs an ogg_page when enough packets have been written
michael@0:  * to the Ogg stream.
michael@0:  * For more details, please reference:
michael@0:  * http://www.xiph.org/ogg/doc/libogg/encoding.html
michael@0:  */
michael@0: class OggWriter : public ContainerWriter
michael@0: {
michael@0: public:
michael@0:   OggWriter();
michael@0:   ~OggWriter();
michael@0: 
michael@0:   nsresult WriteEncodedTrack(const EncodedFrameContainer &aData,
michael@0:                              uint32_t aFlags = 0) MOZ_OVERRIDE;
michael@0: 
michael@0:   nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
michael@0:                             uint32_t aFlags = 0) MOZ_OVERRIDE;
michael@0: 
michael@0:   // Check metadata type integrity and reject unacceptable track encoder.
michael@0:   nsresult SetMetadata(TrackMetadataBase* aMetadata) MOZ_OVERRIDE;
michael@0: private:
michael@0:   nsresult Init();
michael@0: 
michael@0:   nsresult WriteEncodedData(const nsTArray<uint8_t>& aBuffer, int aDuration,
michael@0:                             uint32_t aFlags = 0);
michael@0: 
michael@0:   void ProduceOggPage(nsTArray<nsTArray<uint8_t> >* aOutputBufs);
michael@0:   // Store the Medatata from track encoder
michael@0:   nsRefPtr<OpusMetadata> mMetadata;
michael@0: 
michael@0:   ogg_stream_state mOggStreamState;
michael@0:   ogg_page mOggPage;
michael@0:   ogg_packet mPacket;
michael@0: };
michael@0: }
michael@0: #endif