41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#ifndef LIB_EXTRAS_DEC_JPEGLI_H_
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#define LIB_EXTRAS_DEC_JPEGLI_H_
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// Decodes JPG pixels and metadata in memory using the libjpegli library.
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#include <jxl/types.h>
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#include <stdint.h>
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#include <vector>
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#include "lib/extras/packed_image.h"
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#include "lib/jxl/base/data_parallel.h"
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#include "lib/jxl/base/status.h"
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namespace jxl {
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namespace extras {
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struct JpegDecompressParams {
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JxlDataType output_data_type = JXL_TYPE_UINT8;
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JxlEndianness output_endianness = JXL_NATIVE_ENDIAN;
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bool force_rgb = false;
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bool force_grayscale = false;
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int num_colors = 0;
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bool two_pass_quant = true;
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// 0 = none, 1 = ordered, 2 = Floyd-Steinberg
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int dither_mode = 2;
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};
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Status DecodeJpeg(const std::vector<uint8_t>& compressed,
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const JpegDecompressParams& dparams, ThreadPool* pool,
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PackedPixelFile* ppf);
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} // namespace extras
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} // namespace jxl
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#endif // LIB_EXTRAS_DEC_JPEGLI_H_
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