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56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 mozilla_image_decoders_nsJXLDecoder_h
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#define mozilla_image_decoders_nsJXLDecoder_h
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#include "Decoder.h"
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#include "mp4parse.h"
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#include "SurfacePipe.h"
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#include "jxl/decode_cxx.h"
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#include "jxl/thread_parallel_runner_cxx.h"
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#include "mozilla/Telemetry.h"
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namespace mozilla::image {
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class RasterImage;
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class nsJXLDecoder final : public Decoder {
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public:
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virtual ~nsJXLDecoder();
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DecoderType GetType() const override { return DecoderType::JXL; }
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protected:
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LexerResult DoDecode(SourceBufferIterator& aIterator,
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IResumable* aOnResume) override;
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private:
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friend class DecoderFactory;
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// Decoders should only be instantiated via DecoderFactory.
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explicit nsJXLDecoder(RasterImage* aImage);
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size_t PreferredThreadCount();
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enum class State { JXL_DATA, FINISHED_JXL_DATA };
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LexerTransition<State> ReadJXLData(const char* aData, size_t aLength);
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LexerTransition<State> FinishedJXLData();
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StreamingLexer<State> mLexer;
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JxlDecoderPtr mDecoder;
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JxlThreadParallelRunnerPtr mParallelRunner;
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Vector<uint8_t> mBuffer;
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Vector<uint8_t> mOutBuffer;
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JxlBasicInfo mInfo{};
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};
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} // namespace mozilla::image
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#endif // mozilla_image_decoders_nsJXLDecoder_h
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