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523e7e2ffa
We'll need to share the demuxer between multiple decoder providers, and those will hold references to the demuxer from their own decoder threads.
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright (c) 2025, Luke Wilde <luke@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/Error.h>
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#include <AK/NonnullOwnPtr.h>
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#include <LibMedia/Demuxer.h>
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#include <LibMedia/FFmpeg/FFmpegIOContext.h>
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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}
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namespace Media::FFmpeg {
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class FFmpegDemuxer : public Demuxer {
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public:
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static ErrorOr<NonnullRefPtr<FFmpegDemuxer>> create(NonnullOwnPtr<SeekableStream> stream);
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FFmpegDemuxer(NonnullOwnPtr<SeekableStream> stream, NonnullOwnPtr<Media::FFmpeg::FFmpegIOContext>);
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virtual ~FFmpegDemuxer() override;
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virtual DecoderErrorOr<Vector<Track>> get_tracks_for_type(TrackType type) override;
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virtual DecoderErrorOr<Optional<Track>> get_preferred_track_for_type(TrackType type) override;
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virtual DecoderErrorOr<Optional<AK::Duration>> seek_to_most_recent_keyframe(Track track, AK::Duration timestamp, Optional<AK::Duration> earliest_available_sample = OptionalNone()) 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 DecoderErrorOr<CodecID> get_codec_id_for_track(Track track) override;
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virtual DecoderErrorOr<ReadonlyBytes> get_codec_initialization_data_for_track(Track track) override;
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virtual DecoderErrorOr<CodedFrame> get_next_sample_for_track(Track track) override;
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private:
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DecoderErrorOr<Track> get_track_for_stream_index(u32 stream_index);
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NonnullOwnPtr<SeekableStream> m_stream;
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AVCodecContext* m_codec_context { nullptr };
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AVFormatContext* m_format_context { nullptr };
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NonnullOwnPtr<Media::FFmpeg::FFmpegIOContext> m_io_context;
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AVPacket* m_packet { nullptr };
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};
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}
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