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Diffstat (limited to 'third_party/jpeg-xl/lib/extras/dec/jpegli.h')
-rw-r--r-- | third_party/jpeg-xl/lib/extras/dec/jpegli.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/extras/dec/jpegli.h b/third_party/jpeg-xl/lib/extras/dec/jpegli.h new file mode 100644 index 0000000000..574df54c8e --- /dev/null +++ b/third_party/jpeg-xl/lib/extras/dec/jpegli.h @@ -0,0 +1,41 @@ +// 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_JPEGLI_H_ +#define LIB_EXTRAS_DEC_JPEGLI_H_ + +// Decodes JPG pixels and metadata in memory using the libjpegli library. + +#include <jxl/types.h> +#include <stdint.h> + +#include <vector> + +#include "lib/extras/packed_image.h" +#include "lib/jxl/base/data_parallel.h" +#include "lib/jxl/base/status.h" + +namespace jxl { +namespace extras { + +struct JpegDecompressParams { + JxlDataType output_data_type = JXL_TYPE_UINT8; + JxlEndianness output_endianness = JXL_NATIVE_ENDIAN; + bool force_rgb = false; + bool force_grayscale = false; + int num_colors = 0; + bool two_pass_quant = true; + // 0 = none, 1 = ordered, 2 = Floyd-Steinberg + int dither_mode = 2; +}; + +Status DecodeJpeg(const std::vector<uint8_t>& compressed, + const JpegDecompressParams& dparams, ThreadPool* pool, + PackedPixelFile* ppf); + +} // namespace extras +} // namespace jxl + +#endif // LIB_EXTRAS_DEC_JPEGLI_H_ |