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authorJiyong <jiyong.min@samsung.com>2023-12-26 17:33:03 +0900
committerJiyong <jiyong.min@samsung.com>2023-12-27 08:25:11 +0900
commita6d06c38e46e552195648836052eb909925fe5ff (patch)
tree5b34f3947c8331dc618a5166974e4d9757f8e782 /lib/extras/enc/jxl.h
parentf3e519be675ef7922a6c1c3a682232302b55496d (diff)
parent3b773d382e34fcfc7c8995d8bd681a6ef0529b02 (diff)
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Change-Id: I13b4d2c94ada4853484630800e2a8a5ae90d34c1
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+// 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_JXL_H_
+#define LIB_EXTRAS_ENC_JXL_H_
+
+#include <jxl/encode.h>
+#include <jxl/parallel_runner.h>
+#include <jxl/thread_parallel_runner.h>
+#include <jxl/types.h>
+#include <stdint.h>
+
+#include <vector>
+
+#include "lib/extras/packed_image.h"
+
+namespace jxl {
+namespace extras {
+
+struct JXLOption {
+ JXLOption(JxlEncoderFrameSettingId id, int64_t val, size_t frame_index)
+ : id(id), is_float(false), ival(val), frame_index(frame_index) {}
+ JXLOption(JxlEncoderFrameSettingId id, float val, size_t frame_index)
+ : id(id), is_float(true), fval(val), frame_index(frame_index) {}
+
+ JxlEncoderFrameSettingId id;
+ bool is_float;
+ union {
+ int64_t ival;
+ float fval;
+ };
+ size_t frame_index;
+};
+
+struct JXLCompressParams {
+ std::vector<JXLOption> options;
+ // Target butteraugli distance, 0.0 means lossless.
+ float distance = 1.0f;
+ float alpha_distance = 1.0f;
+ // If set to true, forces container mode.
+ bool use_container = false;
+ // Whether to enable/disable byte-exact jpeg reconstruction for jpeg inputs.
+ bool jpeg_store_metadata = true;
+ bool jpeg_strip_exif = false;
+ bool jpeg_strip_xmp = false;
+ bool jpeg_strip_jumbf = false;
+ // Whether to create brob boxes.
+ bool compress_boxes = true;
+ // Upper bound on the intensity level present in the image in nits (zero means
+ // that the library chooses a default).
+ float intensity_target = 0;
+ int already_downsampled = 1;
+ int upsampling_mode = -1;
+ // Overrides for bitdepth, codestream level and alpha premultiply.
+ size_t override_bitdepth = 0;
+ int32_t codestream_level = -1;
+ int32_t premultiply = -1;
+ // Override input buffer interpretation.
+ JxlBitDepth input_bitdepth = {JXL_BIT_DEPTH_FROM_PIXEL_FORMAT, 0, 0};
+ // If runner_opaque is set, the decoder uses this parallel runner.
+ JxlParallelRunner runner = JxlThreadParallelRunner;
+ void* runner_opaque = nullptr;
+ JxlEncoderOutputProcessor output_processor = {};
+ JxlDebugImageCallback debug_image = nullptr;
+ void* debug_image_opaque = nullptr;
+ JxlEncoderStats* stats = nullptr;
+ bool allow_expert_options = false;
+
+ void AddOption(JxlEncoderFrameSettingId id, int64_t val) {
+ options.emplace_back(JXLOption(id, val, 0));
+ }
+ void AddFloatOption(JxlEncoderFrameSettingId id, float val) {
+ options.emplace_back(JXLOption(id, val, 0));
+ }
+ bool HasOutputProcessor() const {
+ return (output_processor.get_buffer != nullptr &&
+ output_processor.release_buffer != nullptr &&
+ output_processor.set_finalized_position != nullptr);
+ }
+};
+
+bool EncodeImageJXL(const JXLCompressParams& params, const PackedPixelFile& ppf,
+ const std::vector<uint8_t>* jpeg_bytes,
+ std::vector<uint8_t>* compressed);
+
+} // namespace extras
+} // namespace jxl
+
+#endif // LIB_EXTRAS_ENC_JXL_H_