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Diffstat (limited to '')
-rw-r--r-- | dom/media/hls/HLSDemuxer.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/dom/media/hls/HLSDemuxer.h b/dom/media/hls/HLSDemuxer.h new file mode 100644 index 0000000000..679faa759f --- /dev/null +++ b/dom/media/hls/HLSDemuxer.h @@ -0,0 +1,137 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#if !defined(HLSDemuxer_h_) +# define HLSDemuxer_h_ + +# include "MediaCodec.h" +# include "MediaDataDemuxer.h" +# include "MediaDecoder.h" +# include "mozilla/Atomics.h" +# include "mozilla/java/GeckoHLSDemuxerWrapperWrappers.h" +# include "mozilla/java/GeckoHLSSampleWrappers.h" +# include "mozilla/Maybe.h" +# include "mozilla/Mutex.h" +# include "mozilla/TaskQueue.h" + +# include "VideoUtils.h" + +namespace mozilla { + +class AbstractThread; +class MediaResult; +class HLSTrackDemuxer; + +DDLoggedTypeDeclNameAndBase(HLSDemuxer, MediaDataDemuxer); +DDLoggedTypeNameAndBase(HLSTrackDemuxer, MediaTrackDemuxer); + +class HLSDemuxer final : public MediaDataDemuxer, + public DecoderDoctorLifeLogger<HLSDemuxer> { + class HLSDemuxerCallbacksSupport; + + public: + explicit HLSDemuxer(int aPlayerId); + + RefPtr<InitPromise> Init() override; + + uint32_t GetNumberTracks(TrackInfo::TrackType aType) const override; + + already_AddRefed<MediaTrackDemuxer> GetTrackDemuxer( + TrackInfo::TrackType aType, uint32_t aTrackNumber) override; + + bool IsSeekable() const override; + + UniquePtr<EncryptionInfo> GetCrypto() override; + + bool ShouldComputeStartTime() const override { return true; } + + void NotifyDataArrived() override; + + TaskQueue* GetTaskQueue() const { return mTaskQueue; } + void OnInitialized(bool aHasAudio, bool aHasVideo); + void OnError(int aErrorCode); + + private: + media::TimeUnit GetNextKeyFrameTime(); + + bool OnTaskQueue() const; + ~HLSDemuxer(); + friend class HLSTrackDemuxer; + + const RefPtr<TaskQueue> mTaskQueue; + RefPtr<HLSTrackDemuxer> mAudioDemuxer; + RefPtr<HLSTrackDemuxer> mVideoDemuxer; + + MozPromiseHolder<InitPromise> mInitPromise; + RefPtr<HLSDemuxerCallbacksSupport> mCallbackSupport; + + java::GeckoHLSDemuxerWrapper::Callbacks::GlobalRef mJavaCallbacks; + java::GeckoHLSDemuxerWrapper::GlobalRef mHLSDemuxerWrapper; +}; + +class HLSTrackDemuxer : public MediaTrackDemuxer, + public DecoderDoctorLifeLogger<HLSTrackDemuxer> { + public: + HLSTrackDemuxer(HLSDemuxer* aParent, TrackInfo::TrackType aType, + UniquePtr<TrackInfo> aTrackInfo); + ~HLSTrackDemuxer(); + UniquePtr<TrackInfo> GetInfo() const override; + + RefPtr<SeekPromise> Seek(const media::TimeUnit& aTime) override; + + RefPtr<SamplesPromise> GetSamples(int32_t aNumSamples = 1) override; + + void UpdateMediaInfo(int index); + + void Reset() override; + + nsresult GetNextRandomAccessPoint(media::TimeUnit* aTime) override; + + RefPtr<SkipAccessPointPromise> SkipToNextRandomAccessPoint( + const media::TimeUnit& aTimeThreshold) override; + + media::TimeIntervals GetBuffered() override; + + void BreakCycles() override; + + bool GetSamplesMayBlock() const override { return false; } + + bool IsTrackValid() const { + MutexAutoLock lock(mMutex); + return mTrackInfo->IsValid(); + } + + private: + // Update the timestamp of the next keyframe if there's one. + void UpdateNextKeyFrameTime(); + + // Runs on HLSDemuxer's task queue. + RefPtr<SeekPromise> DoSeek(const media::TimeUnit& aTime); + RefPtr<SamplesPromise> DoGetSamples(int32_t aNumSamples); + RefPtr<SkipAccessPointPromise> DoSkipToNextRandomAccessPoint( + const media::TimeUnit& aTimeThreshold); + + CryptoSample ExtractCryptoSample( + size_t aSampleSize, + java::sdk::MediaCodec::CryptoInfo::LocalRef aCryptoInfo); + RefPtr<MediaRawData> ConvertToMediaRawData( + java::GeckoHLSSample::LocalRef aSample); + + RefPtr<HLSDemuxer> mParent; + TrackInfo::TrackType mType; + Maybe<media::TimeUnit> mNextKeyframeTime; + int32_t mLastFormatIndex = -1; + // Queued samples extracted by the demuxer, but not yet returned. + RefPtr<MediaRawData> mQueuedSample; + + // Mutex to protect members below across multiple threads. + mutable Mutex mMutex MOZ_UNANNOTATED; + UniquePtr<TrackInfo> mTrackInfo; +}; + +} // namespace mozilla + +#endif |