From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/media/encoder/ContainerWriter.h | 78 +++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 dom/media/encoder/ContainerWriter.h (limited to 'dom/media/encoder/ContainerWriter.h') diff --git a/dom/media/encoder/ContainerWriter.h b/dom/media/encoder/ContainerWriter.h new file mode 100644 index 000000000..1bd66cbc6 --- /dev/null +++ b/dom/media/encoder/ContainerWriter.h @@ -0,0 +1,78 @@ +/* -*- 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 DOMLocalMediaStream::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 >* aOutputBufs, + uint32_t aFlags = 0) = 0; +protected: + bool mInitialized; + bool mIsWritingComplete; +}; + +} // namespace mozilla + +#endif -- cgit v1.2.3