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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/jpeg-xl/lib/extras/dec/jpg.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/jpeg-xl/lib/extras/dec/jpg.h')
-rw-r--r-- | third_party/jpeg-xl/lib/extras/dec/jpg.h | 44 |
1 files changed, 44 insertions, 0 deletions
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..e3de2536ac --- /dev/null +++ b/third_party/jpeg-xl/lib/extras/dec/jpg.h @@ -0,0 +1,44 @@ +// 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 <stdint.h> + +#include "lib/extras/codec.h" +#include "lib/extras/dec/color_hints.h" +#include "lib/jxl/base/data_parallel.h" +#include "lib/jxl/base/padded_bytes.h" +#include "lib/jxl/base/span.h" +#include "lib/jxl/base/status.h" + +namespace jxl { + +struct SizeConstraints; + +namespace extras { + +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<const uint8_t> 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_ |