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