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6b395243f2
MozReview-Commit-ID: 6KwjHONHKo --HG-- extra : rebase_source : f6da0198c63f27d002d5118ac8a12d436d9c2586 extra : intermediate-source : 1100a896ff400a101ac166cc82e75e28b37e2c5e extra : source : 19cab6225fc2969fd5f1f445f48c90b2de2481e7
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef MediaDecoderReaderWrapper_h_
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#define MediaDecoderReaderWrapper_h_
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#include "mozilla/AbstractThread.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/Variant.h"
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#include "nsISupportsImpl.h"
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#include "MediaDecoderReader.h"
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#include "MediaEventSource.h"
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namespace mozilla {
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/**
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* A wrapper around MediaDecoderReader to offset the timestamps of Audio/Video
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* samples by the start time to ensure MDSM can always assume zero start time.
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* It also adjusts the seek target passed to Seek() to ensure correct seek time
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* is passed to the underlying reader.
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*/
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class MediaDecoderReaderWrapper {
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typedef MediaDecoderReader::MetadataPromise MetadataPromise;
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typedef MediaDecoderReader::MediaDataPromise MediaDataPromise;
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typedef MediaDecoderReader::SeekPromise SeekPromise;
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typedef MediaDecoderReader::WaitForDataPromise WaitForDataPromise;
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typedef MediaDecoderReader::TrackSet TrackSet;
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MediaDecoderReaderWrapper);
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public:
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MediaDecoderReaderWrapper(AbstractThread* aOwnerThread,
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MediaDecoderReader* aReader);
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media::TimeUnit StartTime() const;
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RefPtr<MetadataPromise> ReadMetadata();
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RefPtr<MediaDataPromise> RequestAudioData();
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RefPtr<MediaDataPromise>
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RequestVideoData(bool aSkipToNextKeyframe, media::TimeUnit aTimeThreshold);
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RefPtr<WaitForDataPromise> WaitForData(MediaData::Type aType);
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RefPtr<SeekPromise> Seek(const SeekTarget& aTarget);
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RefPtr<ShutdownPromise> Shutdown();
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void ReleaseResources();
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void ResetDecode(TrackSet aTracks);
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nsresult Init() { return mReader->Init(); }
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bool IsAsync() const { return mReader->IsAsync(); }
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bool UseBufferingHeuristics() const { return mReader->UseBufferingHeuristics(); }
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bool VideoIsHardwareAccelerated() const {
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return mReader->VideoIsHardwareAccelerated();
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}
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TimedMetadataEventSource& TimedMetadataEvent() {
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return mReader->TimedMetadataEvent();
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}
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MediaEventSource<void>& OnMediaNotSeekable() {
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return mReader->OnMediaNotSeekable();
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}
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size_t SizeOfVideoQueueInBytes() const {
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return mReader->SizeOfVideoQueueInBytes();
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}
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size_t SizeOfAudioQueueInBytes() const {
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return mReader->SizeOfAudioQueueInBytes();
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}
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size_t SizeOfAudioQueueInFrames() const {
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return mReader->SizeOfAudioQueueInFrames();
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}
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size_t SizeOfVideoQueueInFrames() const {
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return mReader->SizeOfVideoQueueInFrames();
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}
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void ReadUpdatedMetadata(MediaInfo* aInfo) {
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mReader->ReadUpdatedMetadata(aInfo);
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}
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AbstractCanonical<media::TimeIntervals>* CanonicalBuffered() {
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return mReader->CanonicalBuffered();
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}
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void SetCDMProxy(CDMProxy* aProxy) { mReader->SetCDMProxy(aProxy); }
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void SetVideoBlankDecode(bool aIsBlankDecode);
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private:
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~MediaDecoderReaderWrapper();
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void OnMetadataRead(MetadataHolder* aMetadata);
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void OnMetadataNotRead() {}
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const RefPtr<AbstractThread> mOwnerThread;
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const RefPtr<MediaDecoderReader> mReader;
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bool mShutdown = false;
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Maybe<media::TimeUnit> mStartTime;
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};
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} // namespace mozilla
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#endif // MediaDecoderReaderWrapper_h_
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