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84e3dfc343
The current model can hog the task queue indefinitely, and relies on synchronously reading cross-thread state in order to detect shutdown conditions. In order to stop doing that, we need a different model. Thankfully, MediaPromises/closures make this a lot more concise than it could be.
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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(RawReader_h_)
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#define RawReader_h_
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#include "MediaDecoderReader.h"
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#include "RawStructs.h"
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namespace mozilla {
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class RawReader : public MediaDecoderReader
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{
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public:
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explicit RawReader(AbstractMediaDecoder* aDecoder);
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protected:
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~RawReader();
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public:
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virtual nsresult Init(MediaDecoderReader* aCloneDonor) override;
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virtual nsresult ResetDecode() override;
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virtual bool DecodeAudioData() override;
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virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
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int64_t aTimeThreshold) override;
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virtual bool HasAudio() override
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{
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return false;
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}
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virtual bool HasVideo() override
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{
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return true;
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}
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virtual nsresult ReadMetadata(MediaInfo* aInfo,
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MetadataTags** aTags) override;
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virtual nsRefPtr<SeekPromise>
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Seek(int64_t aTime, int64_t aEndTime) override;
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virtual media::TimeIntervals GetBuffered() override;
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virtual bool IsMediaSeekable() override;
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private:
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bool ReadFromResource(MediaResource *aResource, uint8_t *aBuf, uint32_t aLength);
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RawVideoHeader mMetadata;
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uint32_t mCurrentFrame;
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double mFrameRate;
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uint32_t mFrameSize;
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nsIntRect mPicture;
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};
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} // namespace mozilla
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#endif
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