mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-22 09:45:41 +00:00
804b8b8883
# skip-blame Differential Revision: https://phabricator.services.mozilla.com/D12251 --HG-- extra : moz-landing-system : lando
73 lines
2.5 KiB
C++
73 lines
2.5 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 ContainerWriter_h_
|
|
#define ContainerWriter_h_
|
|
|
|
#include "nsTArray.h"
|
|
#include "EncodedFrameContainer.h"
|
|
#include "TrackMetadataBase.h"
|
|
|
|
namespace mozilla {
|
|
/**
|
|
* ContainerWriter packs encoded track data into a specific media container.
|
|
*/
|
|
class ContainerWriter {
|
|
public:
|
|
ContainerWriter() : mInitialized(false), mIsWritingComplete(false) {}
|
|
virtual ~ContainerWriter() {}
|
|
// Mapping to DOMMediaStream::TrackTypeHints
|
|
enum {
|
|
CREATE_AUDIO_TRACK = 1 << 0,
|
|
CREATE_VIDEO_TRACK = 1 << 1,
|
|
};
|
|
enum { END_OF_STREAM = 1 << 0 };
|
|
|
|
/**
|
|
* Writes encoded track data from aBuffer to a packet, and insert this packet
|
|
* into the internal stream of container writer. aDuration is the playback
|
|
* duration of this packet in number of samples. aFlags is true with
|
|
* END_OF_STREAM if this is the last packet of track.
|
|
* Currently, WriteEncodedTrack doesn't support multiple tracks.
|
|
*/
|
|
virtual nsresult WriteEncodedTrack(const EncodedFrameContainer& aData,
|
|
uint32_t aFlags = 0) = 0;
|
|
|
|
/**
|
|
* Set the meta data pointer into muxer
|
|
* This function will check the integrity of aMetadata.
|
|
* If the meta data isn't well format, this function will return
|
|
* NS_ERROR_FAILURE to caller, else save the pointer to mMetadata and return
|
|
* NS_OK.
|
|
*/
|
|
virtual nsresult SetMetadata(TrackMetadataBase* aMetadata) = 0;
|
|
|
|
/**
|
|
* Indicate if the writer has finished to output data
|
|
*/
|
|
virtual bool IsWritingComplete() { return mIsWritingComplete; }
|
|
|
|
enum { FLUSH_NEEDED = 1 << 0, GET_HEADER = 1 << 1 };
|
|
|
|
/**
|
|
* Copies the final container data to a buffer if it has accumulated enough
|
|
* packets from WriteEncodedTrack. This buffer of data is appended to
|
|
* aOutputBufs, and existing elements of aOutputBufs should not be modified.
|
|
* aFlags is true with FLUSH_NEEDED will force OggWriter to flush an ogg page
|
|
* even it is not full, and copy these container data to a buffer for
|
|
* aOutputBufs to append.
|
|
*/
|
|
virtual nsresult GetContainerData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
|
|
uint32_t aFlags = 0) = 0;
|
|
|
|
protected:
|
|
bool mInitialized;
|
|
bool mIsWritingComplete;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|