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Diffstat (limited to 'third_party/jpeg-xl/lib/extras/enc/jpegli.h')
-rw-r--r-- | third_party/jpeg-xl/lib/extras/enc/jpegli.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/extras/enc/jpegli.h b/third_party/jpeg-xl/lib/extras/enc/jpegli.h new file mode 100644 index 0000000000..194b9f7e48 --- /dev/null +++ b/third_party/jpeg-xl/lib/extras/enc/jpegli.h @@ -0,0 +1,47 @@ +// 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_ENC_JPEGLI_H_ +#define LIB_EXTRAS_ENC_JPEGLI_H_ + +// Encodes JPG pixels and metadata in memory using the libjpegli library. + +#include <stdint.h> + +#include <string> +#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 JpegSettings { + bool xyb = false; + size_t target_size = 0; + float distance = 1.f; + bool use_adaptive_quantization = true; + bool use_std_quant_tables = false; + int progressive_level = 2; + bool optimize_coding = true; + std::string chroma_subsampling; + int libjpeg_quality = 0; + std::string libjpeg_chroma_subsampling; + // If not empty, must contain concatenated APP marker segments. In this case, + // these and only these APP marker segments will be written to the JPEG + // output. In xyb mode app_data must not contain an ICC profile, in this + // case an additional APP2 ICC profile for the XYB colorspace will be emitted. + std::vector<uint8_t> app_data; +}; + +Status EncodeJpeg(const PackedPixelFile& ppf, const JpegSettings& jpeg_settings, + ThreadPool* pool, std::vector<uint8_t>* compressed); + +} // namespace extras +} // namespace jxl + +#endif // LIB_EXTRAS_ENC_JPEGLI_H_ |