mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(MP4Demuxer_h_)
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#define MP4Demuxer_h_
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#include "mozilla/Maybe.h"
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#include "mozilla/Monitor.h"
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#include "MediaDataDemuxer.h"
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#include "MediaResource.h"
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namespace mp4_demuxer {
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class Index;
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class MP4Metadata;
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class ResourceStream;
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class SampleIterator;
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} // namespace mp4_demuxer
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namespace mozilla {
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class MP4TrackDemuxer;
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class MP4Demuxer : public MediaDataDemuxer
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{
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public:
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explicit MP4Demuxer(MediaResource* aResource);
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virtual nsRefPtr<InitPromise> Init() override;
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virtual already_AddRefed<MediaDataDemuxer> Clone() const override;
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virtual bool HasTrackType(TrackInfo::TrackType aType) const override;
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virtual uint32_t GetNumberTracks(TrackInfo::TrackType aType) const override;
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virtual already_AddRefed<MediaTrackDemuxer> GetTrackDemuxer(TrackInfo::TrackType aType,
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uint32_t aTrackNumber) override;
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virtual bool IsSeekable() const override;
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virtual UniquePtr<EncryptionInfo> GetCrypto() override;
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virtual void NotifyDataArrived(uint32_t aLength, int64_t aOffset) override;
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virtual void NotifyDataRemoved() override;
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private:
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friend class MP4TrackDemuxer;
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nsRefPtr<MediaResource> mResource;
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nsRefPtr<mp4_demuxer::ResourceStream> mStream;
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nsRefPtr<MediaByteBuffer> mInitData;
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UniquePtr<mp4_demuxer::MP4Metadata> mMetadata;
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nsTArray<nsRefPtr<MP4TrackDemuxer>> mDemuxers;
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};
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class MP4TrackDemuxer : public MediaTrackDemuxer
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{
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public:
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MP4TrackDemuxer(MP4Demuxer* aParent,
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TrackInfo::TrackType aType,
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uint32_t aTrackNumber);
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virtual UniquePtr<TrackInfo> GetInfo() const override;
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virtual nsRefPtr<SeekPromise> Seek(media::TimeUnit aTime) override;
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virtual nsRefPtr<SamplesPromise> GetSamples(int32_t aNumSamples = 1) override;
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virtual void Reset() override;
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virtual nsresult GetNextRandomAccessPoint(media::TimeUnit* aTime) override;
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nsRefPtr<SkipAccessPointPromise> SkipToNextRandomAccessPoint(media::TimeUnit aTimeThreshold) override;
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virtual media::TimeIntervals GetBuffered() override;
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virtual int64_t GetEvictionOffset(media::TimeUnit aTime) override;
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virtual void BreakCycles() override;
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private:
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friend class MP4Demuxer;
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void NotifyDataArrived();
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void UpdateSamples(nsTArray<nsRefPtr<MediaRawData>>& aSamples);
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void EnsureUpToDateIndex();
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void SetNextKeyFrameTime();
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nsRefPtr<MP4Demuxer> mParent;
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nsRefPtr<mp4_demuxer::Index> mIndex;
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UniquePtr<mp4_demuxer::SampleIterator> mIterator;
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UniquePtr<TrackInfo> mInfo;
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nsRefPtr<mp4_demuxer::ResourceStream> mStream;
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Maybe<media::TimeUnit> mNextKeyframeTime;
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// Queued samples extracted by the demuxer, but not yet returned.
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nsRefPtr<MediaRawData> mQueuedSample;
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bool mNeedReIndex;
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bool mNeedSPSForTelemetry;
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// We do not actually need a monitor, however MoofParser will assert
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// if a monitor isn't held.
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Monitor mMonitor;
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};
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} // namespace mozilla
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#endif
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