singe/thirdparty/SDL2_image/external/libjxl/tools/djxl.h
2023-10-23 19:38:18 -05:00

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2.9 KiB
C++

// 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 TOOLS_DJXL_H_
#define TOOLS_DJXL_H_
#include <stddef.h>
#include "jxl/decode.h"
#include "lib/jxl/aux_out.h"
#include "lib/jxl/base/data_parallel.h"
#include "lib/jxl/base/override.h"
#include "lib/jxl/base/padded_bytes.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/codec_in_out.h"
#include "lib/jxl/dec_params.h"
#include "tools/args.h"
#include "tools/box/box.h"
#include "tools/cmdline.h"
#include "tools/speed_stats.h"
namespace jpegxl {
namespace tools {
// Common JPEG XL decompress arguments.
struct DecompressArgs {
// Initialize non-static default options.
DecompressArgs() = default;
// Add all the command line options to the CommandLineParser. Note that the
// options are tied to the instance that this was called on.
void AddCommandLineOptions(CommandLineParser* cmdline);
// Validate the passed arguments, checking whether all passed options are
// compatible. Returns whether the validation was successful.
jxl::Status ValidateArgs(const CommandLineParser& cmdline);
// Common djxl parameters.
const char* file_in = nullptr;
const char* file_out = nullptr;
size_t num_threads;
bool use_sjpeg = false;
size_t jpeg_quality = 95;
bool decode_to_pixels = false;
bool version = false;
jxl::Override print_profile = jxl::Override::kDefault;
size_t num_reps = 1;
// Format parameters:
size_t bits_per_sample = 0;
bool tone_map = false;
std::pair<float, float> display_nits = {0.f, jxl::kDefaultIntensityTarget};
std::string color_space; // description or path to ICC profile
jxl::DecompressParams params;
// If true, print the effective amount of bytes read from the bitstream.
bool print_read_bytes = false;
bool quiet = false;
// References (ids) of specific options to check if they were matched.
CommandLineParser::OptionId opt_num_threads_id = -1;
CommandLineParser::OptionId opt_jpeg_quality_id = -1;
};
// Decompresses and notifies SpeedStats of elapsed time.
jxl::Status DecompressJxlToPixels(const jxl::Span<const uint8_t> compressed,
const jxl::DecompressParams& params,
jxl::ThreadPool* pool,
jxl::CodecInOut* JXL_RESTRICT io,
SpeedStats* JXL_RESTRICT stats);
jxl::Status DecompressJxlToJPEG(const JpegXlContainer& container,
const DecompressArgs& args,
jxl::ThreadPool* pool, jxl::PaddedBytes* output,
SpeedStats* JXL_RESTRICT stats);
jxl::Status WriteJxlOutput(const DecompressArgs& args, const char* file_out,
jxl::CodecInOut& io,
jxl::ThreadPool* pool = nullptr);
} // namespace tools
} // namespace jpegxl
#endif // TOOLS_DJXL_H_