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https://github.com/RGBCube/serenity
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0a4def1208
This creates an abstract Demuxer class to allow multiple container container formats to be easily used by video playback systems.
40 lines
957 B
C++
40 lines
957 B
C++
/*
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* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
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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/NonnullOwnPtr.h>
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#include <LibCore/Object.h>
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#include "DecoderError.h"
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#include "Sample.h"
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#include "Track.h"
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namespace Video {
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class Demuxer {
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public:
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virtual ~Demuxer() = default;
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virtual Vector<Track> get_tracks_for_type(TrackType type) = 0;
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DecoderErrorOr<NonnullOwnPtr<VideoSample>> get_next_video_sample_for_track(Track track)
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{
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VERIFY(track.type() == TrackType::Video);
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auto sample = TRY(get_next_sample_for_track(track));
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VERIFY(sample->is_video_sample());
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return sample.release_nonnull<VideoSample>();
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}
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virtual DecoderErrorOr<void> seek_to_most_recent_keyframe(Track track, size_t timestamp) = 0;
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virtual Time duration() = 0;
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protected:
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virtual DecoderErrorOr<NonnullOwnPtr<Sample>> get_next_sample_for_track(Track track) = 0;
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};
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}
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