gecko-dev/content/media/ogg/OggWriter.h

50 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
/* 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 "ContainerWriter.h"
#include "OpusTrackEncoder.h"
#include <ogg/ogg.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();
nsresult WriteEncodedTrack(const EncodedFrameContainer &aData,
uint32_t aFlags = 0) MOZ_OVERRIDE;
nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
uint32_t aFlags = 0) MOZ_OVERRIDE;
// Check metadata type integrity and reject unacceptable track encoder.
nsresult SetMetadata(TrackMetadataBase* aMetadata) MOZ_OVERRIDE;
private:
nsresult Init();
nsresult WriteEncodedData(const nsTArray<uint8_t>& aBuffer, int aDuration,
uint32_t aFlags = 0);
void ProduceOggPage(nsTArray<nsTArray<uint8_t> >* aOutputBufs);
// Store the Medatata from track encoder
nsRefPtr<OpusMetadata> mMetadata;
ogg_stream_state mOggStreamState;
ogg_page mOggPage;
ogg_packet mPacket;
};
}
#endif