enc_jpeg_data.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_JXL_JPEG_ENC_JPEG_DATA_H_

#define LIB_JXL_JPEG_ENC_JPEG_DATA_H_

#include <jxl/memory_manager.h>

#include <cstdint>

#include <vector>

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

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

#include "lib/jxl/color_encoding_internal.h"

#include "lib/jxl/enc_params.h"

#include "lib/jxl/frame_header.h"

#include "lib/jxl/jpeg/jpeg_data.h"

namespace jxl {

class CodecInOut;

namespace jpeg {

Status EncodeJPEGData(JxlMemoryManager* memory_manager, JPEGData& jpeg_data,

                      std::vector<uint8_t>* bytes,

                      const CompressParams& cparams);

void SetColorEncodingFromJpegData(const jpeg::JPEGData& jpg,

                                  ColorEncoding* color_encoding);

Status SetChromaSubsamplingFromJpegData(const JPEGData& jpg,

                                        YCbCrChromaSubsampling* cs);

Status SetColorTransformFromJpegData(const JPEGData& jpg,

                                     ColorTransform* color_transform);

/**

 * Decodes bytes containing JPEG codestream into a CodecInOut as coefficients

 * only, for lossless JPEG transcoding.

*/

Status DecodeImageJPG(Span<const uint8_t> bytes, CodecInOut* io);

}  // namespace jpeg

}  // namespace jxl

#endif  // LIB_JXL_JPEG_ENC_JPEG_DATA_H_