From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/jpeg-xl/lib/extras/dec/jpg.h | 45 ++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 third_party/jpeg-xl/lib/extras/dec/jpg.h (limited to 'third_party/jpeg-xl/lib/extras/dec/jpg.h') diff --git a/third_party/jpeg-xl/lib/extras/dec/jpg.h b/third_party/jpeg-xl/lib/extras/dec/jpg.h new file mode 100644 index 0000000000..6e7b2f786b --- /dev/null +++ b/third_party/jpeg-xl/lib/extras/dec/jpg.h @@ -0,0 +1,45 @@ +// 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 + +#include "lib/extras/codec.h" +#include "lib/extras/dec/color_hints.h" +#include "lib/jxl/base/data_parallel.h" +#include "lib/jxl/base/span.h" +#include "lib/jxl/base/status.h" + +namespace jxl { + +struct SizeConstraints; + +namespace extras { + +bool CanDecodeJPG(); + +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 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_ -- cgit v1.2.3