codec.h - mozsearch

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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_CODEC_H_

#define LIB_EXTRAS_CODEC_H_

// Facade for image encoders/decoders (PNG, PNM, ...).

#include <stddef.h>

#include <stdint.h>

#include <string>

#include "lib/extras/dec/color_hints.h"

#include "lib/extras/dec/decode.h"

#include "lib/jxl/base/compiler_specific.h"

#include "lib/jxl/base/data_parallel.h"

#include "lib/jxl/base/span.h"

#include "lib/jxl/base/status.h"

#include "lib/jxl/codec_in_out.h"

#include "lib/jxl/color_encoding_internal.h"

#include "lib/jxl/field_encodings.h"  // MakeBit

namespace jxl {

struct SizeConstraints;

// Decodes "bytes" and sets io->metadata.m.

// color_space_hint may specify the color space, otherwise, defaults to sRGB.

Status SetFromBytes(Span<const uint8_t> bytes,

                    const extras::ColorHints& color_hints, CodecInOut* io,

                    ThreadPool* pool = nullptr,

                    const SizeConstraints* constraints = nullptr,

                    extras::Codec* orig_codec = nullptr);

// Helper function to use no color_space_hint.

JXL_INLINE Status SetFromBytes(const Span<const uint8_t> bytes, CodecInOut* io,

                               ThreadPool* pool = nullptr,

                               const SizeConstraints* constraints = nullptr,

                               extras::Codec* orig_codec = nullptr) {

  return SetFromBytes(bytes, extras::ColorHints(), io, pool, constraints,

                      orig_codec);

Status Encode(const extras::PackedPixelFile& ppf, extras::Codec codec,

              std::vector<uint8_t>* bytes, ThreadPool* pool);

Status Encode(const extras::PackedPixelFile& ppf, const std::string& pathname,

              std::vector<uint8_t>* bytes, ThreadPool* pool = nullptr);

}  // namespace jxl

#endif  // LIB_EXTRAS_CODEC_H_