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/*
* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include "Demuxer.h"
#include "MatroskaReader.h"
namespace Video {
class MatroskaDemuxer final : public Demuxer {
public:
// FIXME: We should instead accept some abstract data streaming type so that the demuxer
// can work with non-contiguous data.
static DecoderErrorOr<NonnullOwnPtr<MatroskaDemuxer>> from_file(StringView filename);
static DecoderErrorOr<NonnullOwnPtr<MatroskaDemuxer>> from_data(ReadonlyBytes data);
MatroskaDemuxer(NonnullOwnPtr<MatroskaDocument>& document)
: m_document(move(document))
{
}
Vector<Track> get_tracks_for_type(TrackType type) override;
DecoderErrorOr<void> seek_to_most_recent_keyframe(Track track, size_t timestamp) override;
Time duration() override;
protected:
DecoderErrorOr<NonnullOwnPtr<Sample>> get_next_sample_for_track(Track track) override;
private:
struct TrackStatus {
size_t m_cluster_index { 0 };
size_t m_block_index { 0 };
size_t m_frame_index { 0 };
};
ErrorOr<TrackStatus*> get_track_status(Track track);
NonnullOwnPtr<MatroskaDocument> m_document;
HashMap<Track, TrackStatus> m_track_statuses;
};
}
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