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