58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/*
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* Copyright (c) 2026-present, the Ladybird developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/Types.h>
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#include <LibMedia/CodecID.h>
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#include <LibMedia/CodedFrame.h>
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#include <LibMedia/DecoderError.h>
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#include <LibMedia/Forward.h>
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namespace Web::MediaSourceExtensions {
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enum class SegmentType : u8 {
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Incomplete,
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Unknown,
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InitializationSegment,
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MediaSegment,
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};
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struct DemuxedCodedFrame {
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u64 track_number { 0 };
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Media::CodedFrame coded_frame;
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};
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struct ParseMediaSegmentResult {
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bool completed_segment { false };
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Vector<DemuxedCodedFrame> coded_frames;
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};
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// https://w3c.github.io/media-source/#sourcebuffer-segment-parser-loop
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// ByteStreamParser abstracts the format-specific parsing that the segment parser loop requires.
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// All methods operate on a MediaStreamCursor which which will be used to determine what the last read data was when
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// the loop needs to remove data from the input buffer.
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class ByteStreamParser {
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public:
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virtual ~ByteStreamParser() = default;
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virtual Media::DecoderErrorOr<void> skip_ignored_bytes(Media::MediaStreamCursor&) = 0;
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virtual Media::DecoderErrorOr<SegmentType> sniff_segment_type(Media::MediaStreamCursor&) = 0;
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virtual Media::DecoderErrorOr<void> parse_initialization_segment(Media::MediaStreamCursor&) = 0;
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virtual Media::DecoderErrorOr<ParseMediaSegmentResult> parse_media_segment(Media::MediaStreamCursor&) = 0;
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virtual Optional<AK::Duration> duration() const = 0;
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virtual Media::CodecID codec_id_for_track(u64 track_number) const = 0;
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virtual ReadonlyBytes codec_initialization_data_for_track(u64 track_number) const = 0;
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virtual Vector<Media::Track> const& video_tracks() const = 0;
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virtual Vector<Media::Track> const& audio_tracks() const = 0;
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virtual Vector<Media::Track> const& text_tracks() const = 0;
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};
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}
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