зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
3.8 KiB
C++
138 строки
3.8 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(HLSDemuxer_h_)
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#define HLSDemuxer_h_
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#include "AutoTaskQueue.h"
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#include "GeneratedJNINatives.h"
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#include "GeneratedJNIWrappers.h"
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#include "MediaCodec.h"
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#include "MediaDataDemuxer.h"
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#include "MediaDecoder.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/Mutex.h"
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#include "VideoUtils.h"
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namespace mozilla {
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class AbstractThread;
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class MediaResult;
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class HLSTrackDemuxer;
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class HLSDemuxer final : public MediaDataDemuxer
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{
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class HLSDemuxerCallbacksSupport;
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public:
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explicit HLSDemuxer(int aPlayerId);
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RefPtr<InitPromise> Init() override;
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bool HasTrackType(TrackInfo::TrackType aType) const override;
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uint32_t GetNumberTracks(TrackInfo::TrackType aType) const override;
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already_AddRefed<MediaTrackDemuxer>
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GetTrackDemuxer(TrackInfo::TrackType aType, uint32_t aTrackNumber) override;
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bool IsSeekable() const override;
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UniquePtr<EncryptionInfo> GetCrypto() override;
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bool ShouldComputeStartTime() const override { return true; }
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void NotifyDataArrived() override;
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AutoTaskQueue* GetTaskQueue() const { return mTaskQueue; }
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void OnInitialized(bool aHasAudio, bool aHasVideo);
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void OnError(int aErrorCode);
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private:
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media::TimeUnit GetNextKeyFrameTime();
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bool OnTaskQueue() const;
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~HLSDemuxer();
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friend class HLSTrackDemuxer;
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const RefPtr<AutoTaskQueue> mTaskQueue;
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RefPtr<HLSTrackDemuxer> mAudioDemuxer;
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RefPtr<HLSTrackDemuxer> mVideoDemuxer;
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MozPromiseHolder<InitPromise> mInitPromise;
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RefPtr<HLSDemuxerCallbacksSupport> mCallbackSupport;
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java::GeckoHLSDemuxerWrapper::Callbacks::GlobalRef mJavaCallbacks;
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java::GeckoHLSDemuxerWrapper::GlobalRef mHLSDemuxerWrapper;
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};
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class HLSTrackDemuxer : public MediaTrackDemuxer
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{
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public:
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HLSTrackDemuxer(HLSDemuxer* aParent,
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TrackInfo::TrackType aType,
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UniquePtr<TrackInfo> aTrackInfo);
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~HLSTrackDemuxer();
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UniquePtr<TrackInfo> GetInfo() const override;
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RefPtr<SeekPromise> Seek(const media::TimeUnit& aTime) override;
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RefPtr<SamplesPromise> GetSamples(int32_t aNumSamples = 1) override;
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void UpdateMediaInfo(int index);
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void Reset() override;
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nsresult GetNextRandomAccessPoint(media::TimeUnit* aTime) override;
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RefPtr<SkipAccessPointPromise> SkipToNextRandomAccessPoint(
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const media::TimeUnit& aTimeThreshold) override;
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media::TimeIntervals GetBuffered() override;
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void BreakCycles() override;
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bool GetSamplesMayBlock() const override
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{
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return false;
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}
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bool IsTrackValid() const
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{
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MutexAutoLock lock(mMutex);
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return mTrackInfo->IsValid();
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}
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private:
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// Update the timestamp of the next keyframe if there's one.
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void UpdateNextKeyFrameTime();
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// Runs on HLSDemuxer's task queue.
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RefPtr<SeekPromise> DoSeek(const media::TimeUnit& aTime);
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RefPtr<SamplesPromise> DoGetSamples(int32_t aNumSamples);
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RefPtr<SkipAccessPointPromise> DoSkipToNextRandomAccessPoint(
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const media::TimeUnit& aTimeThreshold);
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CryptoSample ExtractCryptoSample(size_t aSampleSize,
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java::sdk::CryptoInfo::LocalRef aCryptoInfo);
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RefPtr<MediaRawData> ConvertToMediaRawData(java::GeckoHLSSample::LocalRef aSample);
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RefPtr<HLSDemuxer> mParent;
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TrackInfo::TrackType mType;
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Maybe<media::TimeUnit> mNextKeyframeTime;
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int32_t mLastFormatIndex = -1;
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// Queued samples extracted by the demuxer, but not yet returned.
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RefPtr<MediaRawData> mQueuedSample;
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// Mutex to protect members below across multiple threads.
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mutable Mutex mMutex;
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UniquePtr<TrackInfo> mTrackInfo;
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};
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} // namespace mozilla
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#endif
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