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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#ifndef LIB_EXTRAS_DEC_JPG_H_
#define LIB_EXTRAS_DEC_JPG_H_
// Decodes JPG pixels and metadata in memory.
#include <stdint.h>
#include "lib/extras/codec.h"
#include "lib/extras/dec/color_hints.h"
#include "lib/jxl/base/data_parallel.h"
#include "lib/jxl/base/padded_bytes.h"
#include "lib/jxl/base/span.h"
#include "lib/jxl/base/status.h"
namespace jxl {
struct SizeConstraints;
namespace extras {
struct JPGDecompressParams {
int num_colors = 0;
bool two_pass_quant = false;
// 0 = none, 1 = ordered, 2 = Floyd-Steinberg
int dither_mode = 0;
};
// Decodes `bytes` into `ppf`. color_hints are ignored.
// `elapsed_deinterleave`, if non-null, will be set to the time (in seconds)
// that it took to deinterleave the raw JSAMPLEs to planar floats.
Status DecodeImageJPG(Span<const uint8_t> bytes, const ColorHints& color_hints,
PackedPixelFile* ppf,
const SizeConstraints* constraints = nullptr,
const JPGDecompressParams* dparams = nullptr);
} // namespace extras
} // namespace jxl
#endif // LIB_EXTRAS_DEC_JPG_H_
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