mirror of
https://github.com/LadybirdBrowser/ladybird
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9d26a274e4
PlaybackManager then intersects all enabled tracks' buffered time ranges. This will be used by the media element for the buffered attribute and to update the ready state.
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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* Copyright (c) 2022-2025, Gregory Bertilson <gregory@ladybird.org>
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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/HashMap.h>
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#include <LibMedia/Demuxer.h>
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#include <LibMedia/Export.h>
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#include <LibMedia/Forward.h>
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#include <LibMedia/IncrementallyPopulatedStream.h>
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#include <LibThreading/Mutex.h>
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#include "Reader.h"
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namespace Media::Matroska {
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class MEDIA_API MatroskaDemuxer final : public Demuxer {
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public:
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static DecoderErrorOr<NonnullRefPtr<MatroskaDemuxer>> from_stream(NonnullRefPtr<MediaStream> const&);
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MatroskaDemuxer(NonnullRefPtr<MediaStream> const& stream, Reader&& reader);
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~MatroskaDemuxer();
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virtual DecoderErrorOr<void> create_context_for_track(Track const&) override;
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virtual DecoderErrorOr<Vector<Track>> get_tracks_for_type(TrackType) override;
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virtual DecoderErrorOr<Optional<Track>> get_preferred_track_for_type(TrackType) override;
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virtual DecoderErrorOr<DemuxerSeekResult> seek_to_most_recent_keyframe(Track const&, AK::Duration timestamp, DemuxerSeekOptions) override;
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virtual DecoderErrorOr<AK::Duration> duration_of_track(Track const&) override;
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virtual DecoderErrorOr<AK::Duration> total_duration() override;
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virtual TimeRanges buffered_time_ranges() const override;
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virtual DecoderErrorOr<CodecID> get_codec_id_for_track(Track const&) override;
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virtual DecoderErrorOr<ReadonlyBytes> get_codec_initialization_data_for_track(Track const&) override;
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virtual DecoderErrorOr<CodedFrame> get_next_sample_for_track(Track const&) override;
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virtual void set_blocking_reads_aborted_for_track(Track const&) override;
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virtual void reset_blocking_reads_aborted_for_track(Track const&) override;
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virtual bool is_read_blocked_for_track(Track const&) override;
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private:
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struct TrackStatus {
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SampleIterator iterator;
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Optional<Block> block;
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Vector<ByteBuffer, 4> frames;
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size_t frame_index { 0 };
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TrackStatus(SampleIterator&& iterator)
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: iterator(iterator)
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{
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}
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};
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TrackStatus& get_track_status(Track const&);
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NonnullRefPtr<MediaStream> m_stream;
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Reader m_reader;
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mutable Threading::Mutex m_track_statuses_mutex;
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HashMap<Track, TrackStatus> m_track_statuses;
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};
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}
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