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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /dom/media/encoder/ContainerWriter.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/encoder/ContainerWriter.h')
-rw-r--r-- | dom/media/encoder/ContainerWriter.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/dom/media/encoder/ContainerWriter.h b/dom/media/encoder/ContainerWriter.h new file mode 100644 index 0000000000..724c8b90c9 --- /dev/null +++ b/dom/media/encoder/ContainerWriter.h @@ -0,0 +1,75 @@ +/* -*- 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 "EncodedFrame.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 aData into the internal stream of container + * writer. aFlags is used to signal the impl of different conditions + * such as END_OF_STREAM. Each impl may handle different flags, and should be + * documented accordingly. Currently, WriteEncodedTrack doesn't support + * explicit track specification, though each impl may provide logic to + * allocate frames into different tracks. + */ + virtual nsresult WriteEncodedTrack( + const nsTArray<RefPtr<EncodedFrame>>& aData, uint32_t aFlags = 0) = 0; + + /** + * Stores the metadata for all given tracks to the muxer. + * + * This method checks the integrity of aMetadata. + * If the metadata isn't well formatted, this method returns NS_ERROR_FAILURE. + * If the metadata is well formatted, it stores the metadata and returns + * NS_OK. + */ + virtual nsresult SetMetadata( + const nsTArray<RefPtr<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 |