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trisquel-icecat/icecat/third_party/jpeg-xl/lib/jxl/encode_test.cc
Ark74 618c9f4145 icecat: add release 140.3.1-1gnu1
2025-10-06 02:35:48 -06:00

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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.
#include <jxl/cms.h>
#include <jxl/cms_interface.h>
#include <jxl/codestream_header.h>
#include <jxl/color_encoding.h>
#include <jxl/decode.h>
#include <jxl/decode_cxx.h>
#include <jxl/encode.h>
#include <jxl/encode_cxx.h>
#include <jxl/memory_manager.h>
#include <jxl/types.h>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <mutex>
#include <ostream>
#include <set>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
#include "lib/extras/codec.h"
#include "lib/extras/dec/jxl.h"
#include "lib/extras/metrics.h"
#include "lib/extras/packed_image.h"
#include "lib/jxl/base/byte_order.h"
#include "lib/jxl/base/c_callback_support.h"
#include "lib/jxl/base/override.h"
#include "lib/jxl/base/span.h"
#include "lib/jxl/base/status.h"
#include "lib/jxl/common.h" // JXL_HIGH_PRECISION
#include "lib/jxl/enc_params.h"
#include "lib/jxl/encode_internal.h"
#include "lib/jxl/modular/options.h"
#include "lib/jxl/test_image.h"
#include "lib/jxl/test_memory_manager.h"
#include "lib/jxl/test_utils.h"
#include "lib/jxl/testing.h"
namespace {
bool SameDecodedPixels(const std::vector<uint8_t>& compressed0,
const std::vector<uint8_t>& compressed1) {
jxl::extras::JXLDecompressParams dparams;
dparams.accepted_formats = {
{3, JXL_TYPE_UINT16, JXL_LITTLE_ENDIAN, 0},
{4, JXL_TYPE_UINT16, JXL_LITTLE_ENDIAN, 0},
};
jxl::extras::PackedPixelFile ppf0;
EXPECT_TRUE(DecodeImageJXL(compressed0.data(), compressed0.size(), dparams,
nullptr, &ppf0, nullptr));
jxl::extras::PackedPixelFile ppf1;
EXPECT_TRUE(DecodeImageJXL(compressed1.data(), compressed1.size(), dparams,
nullptr, &ppf1, nullptr));
return jxl::test::SamePixels(ppf0, ppf1);
}
} // namespace
TEST(EncodeTest, AddFrameAfterCloseInputTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderCloseInput(enc.get());
size_t xsize = 64;
size_t ysize = 64;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
jxl::CodecInOut input_io =
jxl::test::SomeTestImageToCodecInOut(pixels, 4, xsize, ysize);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.uses_original_profile = 0;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JXL_BOOL is_gray = TO_JXL_BOOL(pixel_format.num_channels < 3);
JxlColorEncodingSetToSRGB(&color_encoding, is_gray);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
}
TEST(EncodeTest, AddJPEGAfterCloseTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderCloseInput(enc.get());
const std::string jpeg_path = "jxl/flower/flower.png.im_q85_420.jpg";
const std::vector<uint8_t> orig = jxl::test::ReadTestData(jpeg_path);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderAddJPEGFrame(frame_settings, orig.data(), orig.size()));
}
TEST(EncodeTest, AddFrameBeforeBasicInfoTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
size_t xsize = 64;
size_t ysize = 64;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
jxl::CodecInOut input_io =
jxl::test::SomeTestImageToCodecInOut(pixels, 4, xsize, ysize);
JxlColorEncoding color_encoding;
JXL_BOOL is_gray = TO_JXL_BOOL(pixel_format.num_channels < 3);
JxlColorEncodingSetToSRGB(&color_encoding, is_gray);
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
}
TEST(EncodeTest, DefaultAllocTest) {
JxlEncoder* enc = JxlEncoderCreate(nullptr);
EXPECT_NE(nullptr, enc);
JxlEncoderDestroy(enc);
}
TEST(EncodeTest, CustomAllocTest) {
struct CalledCounters {
int allocs = 0;
int frees = 0;
} counters;
JxlMemoryManager mm;
mm.opaque = &counters;
mm.alloc = [](void* opaque, size_t size) {
reinterpret_cast<CalledCounters*>(opaque)->allocs++;
return malloc(size);
};
mm.free = [](void* opaque, void* address) {
reinterpret_cast<CalledCounters*>(opaque)->frees++;
free(address);
};
{
JxlEncoderPtr enc = JxlEncoderMake(&mm);
EXPECT_NE(nullptr, enc.get());
EXPECT_LE(1, counters.allocs);
EXPECT_EQ(0, counters.frees);
}
EXPECT_LE(1, counters.frees);
}
TEST(EncodeTest, DefaultParallelRunnerTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetParallelRunner(enc.get(), nullptr, nullptr));
}
void VerifyFrameEncoding(size_t xsize, size_t ysize, JxlEncoder* enc,
const JxlEncoderFrameSettings* frame_settings,
size_t max_compressed_size,
bool lossy_use_original_profile) {
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
jxl::CodecInOut input_io =
jxl::test::SomeTestImageToCodecInOut(pixels, 4, xsize, ysize);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
if (frame_settings->values.lossless || lossy_use_original_profile) {
basic_info.uses_original_profile = JXL_TRUE;
} else {
basic_info.uses_original_profile = JXL_FALSE;
}
// 16-bit alpha means this requires level 10
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc, 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc, &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, JXL_TRUE);
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderSetColorEncoding(enc, &color_encoding));
JxlColorEncodingSetToSRGB(&color_encoding, JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetColorEncoding(enc, &color_encoding));
pixel_format.num_channels = 1;
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
pixel_format.num_channels = 4;
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseInput(enc);
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc, &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_LE(compressed.size(), max_compressed_size);
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
jxl::CodecInOut decoded_io{jxl::test::MemoryManager()};
EXPECT_TRUE(jxl::test::DecodeFile(
{}, jxl::Bytes(compressed.data(), compressed.size()), &decoded_io));
static constexpr double kMaxButteraugli =
#if JXL_HIGH_PRECISION
3.2;
#else
8.7;
#endif
EXPECT_LE(
ComputeDistance2(input_io.Main(), decoded_io.Main(), *JxlGetDefaultCms()),
kMaxButteraugli);
}
void VerifyFrameEncoding(JxlEncoder* enc,
const JxlEncoderFrameSettings* frame_settings) {
VerifyFrameEncoding(63, 129, enc, frame_settings, 27000,
/*lossy_use_original_profile=*/false);
}
TEST(EncodeTest, FrameEncodingTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
VerifyFrameEncoding(enc.get(),
JxlEncoderFrameSettingsCreate(enc.get(), nullptr));
}
TEST(EncodeTest, EncoderResetTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
VerifyFrameEncoding(50, 200, enc.get(),
JxlEncoderFrameSettingsCreate(enc.get(), nullptr), 4599,
false);
// Encoder should become reusable for a new image from scratch after using
// reset.
JxlEncoderReset(enc.get());
VerifyFrameEncoding(157, 77, enc.get(),
JxlEncoderFrameSettingsCreate(enc.get(), nullptr), 2300,
false);
}
TEST(EncodeTest, CmsTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
bool cms_called = false;
JxlCmsInterface cms = *JxlGetDefaultCms();
struct InitData {
void* original_init_data;
jpegxl_cms_init_func original_init;
bool* cms_called;
};
InitData init_data = {/*original_init_data=*/cms.init_data,
/*original_init=*/cms.init,
/*cms_called=*/&cms_called};
cms.init_data = &init_data;
cms.init = +[](void* raw_init_data, size_t num_threads,
size_t pixels_per_thread, const JxlColorProfile* input_profile,
const JxlColorProfile* output_profile,
float intensity_target) {
const InitData* init_data = static_cast<const InitData*>(raw_init_data);
*init_data->cms_called = true;
return init_data->original_init(init_data->original_init_data, num_threads,
pixels_per_thread, input_profile,
output_profile, intensity_target);
};
JxlEncoderSetCms(enc.get(), cms);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
JxlEncoderSetFrameLossless(frame_settings, JXL_FALSE);
ASSERT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(frame_settings,
JXL_ENC_FRAME_SETTING_EFFORT, 8));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_TRUE(cms_called);
}
TEST(EncodeTest, FrameSettingsTest) {
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, 5));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(jxl::SpeedTier::kHare, enc->last_used_cparams.speed_tier);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
const size_t nb_options = 23;
const JxlEncoderFrameSettingId options[nb_options] = {
JXL_ENC_FRAME_SETTING_EFFORT,
JXL_ENC_FRAME_SETTING_BROTLI_EFFORT,
JXL_ENC_FRAME_SETTING_DECODING_SPEED,
JXL_ENC_FRAME_SETTING_RESAMPLING,
JXL_ENC_FRAME_SETTING_EXTRA_CHANNEL_RESAMPLING,
JXL_ENC_FRAME_SETTING_ALREADY_DOWNSAMPLED,
JXL_ENC_FRAME_SETTING_EPF,
JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_X,
JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_Y,
JXL_ENC_FRAME_SETTING_PROGRESSIVE_DC,
JXL_ENC_FRAME_SETTING_PALETTE_COLORS,
JXL_ENC_FRAME_SETTING_COLOR_TRANSFORM,
JXL_ENC_FRAME_SETTING_MODULAR_COLOR_SPACE,
JXL_ENC_FRAME_SETTING_MODULAR_GROUP_SIZE,
JXL_ENC_FRAME_SETTING_MODULAR_PREDICTOR,
JXL_ENC_FRAME_SETTING_MODULAR_NB_PREV_CHANNELS,
JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL,
JXL_ENC_FRAME_INDEX_BOX,
JXL_ENC_FRAME_SETTING_JPEG_COMPRESS_BOXES,
JXL_ENC_FRAME_SETTING_BUFFERING,
JXL_ENC_FRAME_SETTING_JPEG_KEEP_EXIF,
JXL_ENC_FRAME_SETTING_JPEG_KEEP_XMP,
JXL_ENC_FRAME_SETTING_JPEG_KEEP_JUMBF};
const int too_low[nb_options] = {0, -2, -2, 3, -2, -2, -2, -2,
-2, -2, -2, -2, -2, -2, -2, -2,
-2, -1, -2, -2, -2, -2, -2};
const int too_high[nb_options] = {11, 12, 5, 16, 6, 2, 4, -3,
-3, 3, 70914, 3, 42, 4, 16, 12,
2, 2, 2, 4, 2, 2, 2};
const int in_range[nb_options] = {5, 5, 3, 1, 1, 1, 3, -1,
0, 1, -1, -1, 3, 2, 15, -1,
-1, 1, 0, 0, -1, -1, -1};
for (size_t i = 0; i < nb_options; i++) {
// Lower than currently supported values
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderFrameSettingsSetOption(
frame_settings, options[i], too_low[i]));
// Higher than currently supported values
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderFrameSettingsSetOption(
frame_settings, options[i], too_high[i]));
// Using SetFloatOption on integer options
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderFrameSettingsSetFloatOption(
frame_settings, options[i], 1.0f));
// Within range of the currently supported values
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderFrameSettingsSetOption(
frame_settings, options[i], in_range[i]));
}
// Effort 11 should only work when expert options are allowed
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, 11));
JxlEncoderAllowExpertOptions(enc.get());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, 11));
// Non-existing option
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_FILL_ENUM, 0));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings, JXL_ENC_FRAME_SETTING_FILL_ENUM, 0.f));
// Float options
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings, JXL_ENC_FRAME_SETTING_PHOTON_NOISE, -1.0f));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings, JXL_ENC_FRAME_SETTING_PHOTON_NOISE, 100.0f));
EXPECT_EQ(
JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_MODULAR_MA_TREE_LEARNING_PERCENT, 101.0f));
EXPECT_EQ(
JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_MODULAR_MA_TREE_LEARNING_PERCENT, -2.0f));
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_MODULAR_MA_TREE_LEARNING_PERCENT, -1.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GLOBAL_PERCENT, 101.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GLOBAL_PERCENT, -2.0f));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GLOBAL_PERCENT, -1.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT, 101.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT, -2.0f));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT, -1.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT, 50.0f));
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_PHOTON_NOISE, 50.0f));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 3700, false);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetFrameLossless(frame_settings, JXL_TRUE));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 3600, false);
EXPECT_EQ(true, enc->last_used_cparams.IsLossless());
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetFrameDistance(frame_settings, 0.5));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 3200, false);
EXPECT_EQ(0.5, enc->last_used_cparams.butteraugli_distance);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
// Disallowed negative distance
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderSetFrameDistance(frame_settings, -1));
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_DECODING_SPEED, 2));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(2u, enc->last_used_cparams.decoding_speed_tier);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_ERROR,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_GROUP_ORDER, 100));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_GROUP_ORDER, 1));
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_GROUP_ORDER_CENTER_X, 5));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(true, enc->last_used_cparams.centerfirst);
EXPECT_EQ(5, enc->last_used_cparams.center_x);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_RESPONSIVE, 0));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_PROGRESSIVE_AC, 1));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_QPROGRESSIVE_AC, -1));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_PROGRESSIVE_DC, 2));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 3430,
/*lossy_use_original_profile=*/false);
EXPECT_EQ(false, enc->last_used_cparams.responsive);
EXPECT_EQ(jxl::Override::kOn, enc->last_used_cparams.progressive_mode);
EXPECT_EQ(2, enc->last_used_cparams.progressive_dc);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings, JXL_ENC_FRAME_SETTING_PHOTON_NOISE, 1777.777));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_NEAR(1777.777f, enc->last_used_cparams.photon_noise_iso, 1E-4);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GLOBAL_PERCENT, 55.0f));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_CHANNEL_COLORS_GROUP_PERCENT, 25.0f));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_PALETTE_COLORS, 70000));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_LOSSY_PALETTE, 1));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_NEAR(55.0f,
enc->last_used_cparams.channel_colors_pre_transform_percent,
1E-6);
EXPECT_NEAR(25.0f, enc->last_used_cparams.channel_colors_percent, 1E-6);
EXPECT_EQ(70000, enc->last_used_cparams.palette_colors);
EXPECT_EQ(true, enc->last_used_cparams.lossy_palette);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_MODULAR_COLOR_SPACE, 30));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_MODULAR_GROUP_SIZE, 2));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_MODULAR_PREDICTOR, 14));
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetFloatOption(
frame_settings,
JXL_ENC_FRAME_SETTING_MODULAR_MA_TREE_LEARNING_PERCENT, 77.0f));
EXPECT_EQ(
JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_MODULAR_NB_PREV_CHANNELS, 7));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(30, enc->last_used_cparams.colorspace);
EXPECT_EQ(2, enc->last_used_cparams.modular_group_size_shift);
EXPECT_EQ(jxl::Predictor::Best, enc->last_used_cparams.options.predictor);
EXPECT_NEAR(0.77f, enc->last_used_cparams.options.nb_repeats, 1E-6);
EXPECT_EQ(7, enc->last_used_cparams.options.max_properties);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL, 0));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(false, enc->last_used_cparams.force_cfl_jpeg_recompression);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_JPEG_RECON_CFL, 1));
VerifyFrameEncoding(enc.get(), frame_settings);
EXPECT_EQ(true, enc->last_used_cparams.force_cfl_jpeg_recompression);
}
}
TEST(EncodeTest, LossyEncoderUseOriginalProfileTest) {
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 7897, true);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_PROGRESSIVE_DC, 2));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 8310, true);
}
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
ASSERT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, 8));
VerifyFrameEncoding(63, 129, enc.get(), frame_settings, 7228, true);
}
}
namespace {
// Returns a copy of buf from offset to offset+size, or a new zeroed vector if
// the result would have been out of bounds taking integer overflow into
// account.
std::vector<uint8_t> SliceSpan(const jxl::Span<const uint8_t>& buf,
size_t offset, size_t size) {
if (offset + size >= buf.size()) {
return std::vector<uint8_t>(size, 0);
}
if (offset + size < offset) {
return std::vector<uint8_t>(size, 0);
}
return std::vector<uint8_t>(buf.data() + offset, buf.data() + offset + size);
}
struct Box {
// The type of the box.
// If "uuid", use extended_type instead
char type[4] = {0, 0, 0, 0};
// The extended_type is only used when type == "uuid".
// Extended types are not used in JXL. However, the box format itself
// supports this so they are handled correctly.
char extended_type[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Box data.
jxl::Span<const uint8_t> data = jxl::Bytes(nullptr, 0);
// If the size is not given, the datasize extends to the end of the file.
// If this field is false, the size field is not encoded when the box is
// serialized.
bool data_size_given = true;
// If successful, returns true and sets `in` to be the rest data (if any).
// If `in` contains a box with a size larger than `in.size()`, will not
// modify `in`, and will return true but the data `Span<uint8_t>` will
// remain set to nullptr.
// If unsuccessful, returns error and doesn't modify `in`.
jxl::Status Decode(jxl::Span<const uint8_t>* in) {
// Total box_size including this header itself.
uint64_t box_size = LoadBE32(SliceSpan(*in, 0, 4).data());
size_t pos = 4;
memcpy(type, SliceSpan(*in, pos, 4).data(), 4);
pos += 4;
if (box_size == 1) {
// If the size is 1, it indicates extended size read from 64-bit integer.
box_size = LoadBE64(SliceSpan(*in, pos, 8).data());
pos += 8;
}
if (!memcmp("uuid", type, 4)) {
memcpy(extended_type, SliceSpan(*in, pos, 16).data(), 16);
pos += 16;
}
// This is the end of the box header, the box data begins here. Handle
// the data size now.
const size_t header_size = pos;
if (box_size != 0) {
if (box_size < header_size) {
return JXL_FAILURE("Invalid box size");
}
if (box_size > in->size()) {
// The box is fine, but the input is too short.
return true;
}
data_size_given = true;
data = jxl::Bytes(in->data() + header_size, box_size - header_size);
} else {
data_size_given = false;
data = jxl::Bytes(in->data() + header_size, in->size() - header_size);
}
*in = jxl::Bytes(in->data() + header_size + data.size(),
in->size() - header_size - data.size());
return true;
}
};
struct Container {
std::vector<Box> boxes;
// If successful, returns true and sets `in` to be the rest data (if any).
// If unsuccessful, returns error and doesn't modify `in`.
jxl::Status Decode(jxl::Span<const uint8_t>* in) {
boxes.clear();
Box signature_box;
JXL_RETURN_IF_ERROR(signature_box.Decode(in));
if (memcmp("JXL ", signature_box.type, 4) != 0) {
return JXL_FAILURE("Invalid magic signature");
}
if (signature_box.data.size() != 4)
return JXL_FAILURE("Invalid magic signature");
if (signature_box.data[0] != 0xd || signature_box.data[1] != 0xa ||
signature_box.data[2] != 0x87 || signature_box.data[3] != 0xa) {
return JXL_FAILURE("Invalid magic signature");
}
Box ftyp_box;
JXL_RETURN_IF_ERROR(ftyp_box.Decode(in));
if (memcmp("ftyp", ftyp_box.type, 4) != 0) {
return JXL_FAILURE("Invalid ftyp");
}
if (ftyp_box.data.size() != 12) return JXL_FAILURE("Invalid ftyp");
const char* expected = "jxl \0\0\0\0jxl ";
if (memcmp(expected, ftyp_box.data.data(), 12) != 0)
return JXL_FAILURE("Invalid ftyp");
while (!in->empty()) {
Box box = {};
JXL_RETURN_IF_ERROR(box.Decode(in));
if (box.data.data() == nullptr) {
// The decoding encountered a box, but not enough data yet.
return true;
}
boxes.emplace_back(box);
}
return true;
}
};
} // namespace
TEST(EncodeTest, SingleFrameBoundedJXLCTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderUseContainer(enc.get(), true));
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
size_t xsize = 71;
size_t ysize = 23;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.uses_original_profile = JXL_FALSE;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding,
/*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseInput(enc.get());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
Container container = {};
jxl::Span<const uint8_t> encoded_span =
jxl::Bytes(compressed.data(), compressed.size());
EXPECT_TRUE(container.Decode(&encoded_span));
EXPECT_EQ(0u, encoded_span.size());
bool found_jxlc = false;
bool found_jxlp = false;
// The encoder is allowed to either emit a jxlc or one or more jxlp.
for (const auto& box : container.boxes) {
if (memcmp("jxlc", box.type, 4) == 0) {
EXPECT_EQ(false, found_jxlc); // Max 1 jxlc
EXPECT_EQ(false, found_jxlp); // Can't mix jxlc and jxlp
found_jxlc = true;
}
if (memcmp("jxlp", box.type, 4) == 0) {
EXPECT_EQ(false, found_jxlc); // Can't mix jxlc and jxlp
found_jxlp = true;
}
// The encoder shouldn't create an unbounded box in this case, with the
// single frame it knows the full size in time, so can help make decoding
// more efficient by giving the full box size of the final box.
EXPECT_EQ(true, box.data_size_given);
}
EXPECT_EQ(true, found_jxlc || found_jxlp);
}
TEST(EncodeTest, CodestreamLevelTest) {
size_t xsize = 64;
size_t ysize = 64;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
jxl::CodecInOut input_io =
jxl::test::SomeTestImageToCodecInOut(pixels, 4, xsize, ysize);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.uses_original_profile = 0;
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JXL_BOOL is_gray = TO_JXL_BOOL(pixel_format.num_channels < 3);
JxlColorEncodingSetToSRGB(&color_encoding, is_gray);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseInput(enc.get());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
Container container = {};
jxl::Span<const uint8_t> encoded_span =
jxl::Bytes(compressed.data(), compressed.size());
EXPECT_TRUE(container.Decode(&encoded_span));
EXPECT_EQ(0u, encoded_span.size());
EXPECT_EQ(0, memcmp("jxll", container.boxes[0].type, 4));
}
TEST(EncodeTest, CodestreamLevelVerificationTest) {
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT8, JXL_BIG_ENDIAN, 0};
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = 64;
basic_info.ysize = 64;
basic_info.uses_original_profile = JXL_FALSE;
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
EXPECT_EQ(5, JxlEncoderGetRequiredCodestreamLevel(enc.get()));
// Set an image dimension that is too large for level 5, but fits in level 10
basic_info.xsize = 1ull << 30ull;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 5));
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
EXPECT_EQ(10, JxlEncoderGetRequiredCodestreamLevel(enc.get()));
// Set an image dimension that is too large even for level 10
basic_info.xsize = 1ull << 31ull;
EXPECT_EQ(JXL_ENC_ERROR, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
}
JXL_TRANSCODE_JPEG_TEST(EncodeTest, JPEGReconstructionTest) {
const std::string jpeg_path = "jxl/flower/flower.png.im_q85_420.jpg";
const std::vector<uint8_t> orig = jxl::test::ReadTestData(jpeg_path);
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderStoreJPEGMetadata(enc.get(), JXL_TRUE));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddJPEGFrame(frame_settings, orig.data(), orig.size()));
JxlEncoderCloseInput(enc.get());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
jxl::extras::JXLDecompressParams dparams;
jxl::test::DefaultAcceptedFormats(dparams);
std::vector<uint8_t> decoded_jpeg_bytes;
jxl::extras::PackedPixelFile ppf;
EXPECT_TRUE(DecodeImageJXL(compressed.data(), compressed.size(), dparams,
nullptr, &ppf, &decoded_jpeg_bytes));
EXPECT_EQ(decoded_jpeg_bytes.size(), orig.size());
EXPECT_EQ(0, memcmp(decoded_jpeg_bytes.data(), orig.data(), orig.size()));
}
JXL_TRANSCODE_JPEG_TEST(EncodeTest, ProgressiveJPEGReconstructionTest) {
const std::string jpeg_path = "jxl/flower/flower.png.im_q85_420.jpg";
const std::vector<uint8_t> orig = jxl::test::ReadTestData(jpeg_path);
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
frame_settings->values.cparams.progressive_mode = jxl::Override::kOn;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderStoreJPEGMetadata(enc.get(), JXL_TRUE));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddJPEGFrame(frame_settings, orig.data(), orig.size()));
JxlEncoderCloseInput(enc.get());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
jxl::extras::JXLDecompressParams dparams;
jxl::test::DefaultAcceptedFormats(dparams);
std::vector<uint8_t> decoded_jpeg_bytes;
jxl::extras::PackedPixelFile ppf;
EXPECT_TRUE(DecodeImageJXL(compressed.data(), compressed.size(), dparams,
nullptr, &ppf, &decoded_jpeg_bytes));
EXPECT_EQ(decoded_jpeg_bytes.size(), orig.size());
EXPECT_EQ(0, memcmp(decoded_jpeg_bytes.data(), orig.data(), orig.size()));
}
static void ProcessEncoder(JxlEncoder* enc, std::vector<uint8_t>& compressed,
uint8_t*& next_out, size_t& avail_out) {
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result = JxlEncoderProcessOutput(enc, &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
size_t offset = next_out - compressed.data();
compressed.resize(next_out - compressed.data());
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
}
TEST(EncodeTest, BasicInfoTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
size_t xsize = 1;
size_t ysize = 1;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.uses_original_profile = 0;
basic_info.have_animation = 1;
basic_info.intensity_target = 123.4;
basic_info.min_nits = 5.0;
basic_info.linear_below = 12.7;
basic_info.orientation = JXL_ORIENT_ROTATE_90_CW;
basic_info.intrinsic_xsize = 88;
basic_info.intrinsic_ysize = 99;
basic_info.animation.tps_numerator = 55;
basic_info.animation.tps_denominator = 77;
basic_info.animation.num_loops = 10;
basic_info.animation.have_timecodes = JXL_TRUE;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, /*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseFrames(enc.get());
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
// Decode to verify the boxes, we don't decode to pixels, only the boxes.
JxlDecoderPtr dec = JxlDecoderMake(nullptr);
EXPECT_NE(nullptr, dec.get());
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderSubscribeEvents(dec.get(), JXL_DEC_BASIC_INFO));
// Allow testing the orientation field, without this setting it will be
// overridden to identity.
JxlDecoderSetKeepOrientation(dec.get(), JXL_TRUE);
JxlDecoderSetInput(dec.get(), compressed.data(), compressed.size());
JxlDecoderCloseInput(dec.get());
for (;;) {
JxlDecoderStatus status = JxlDecoderProcessInput(dec.get());
if (status == JXL_DEC_ERROR) {
FAIL();
} else if (status == JXL_DEC_SUCCESS) {
break;
} else if (status == JXL_DEC_BASIC_INFO) {
JxlBasicInfo basic_info2;
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderGetBasicInfo(dec.get(), &basic_info2));
EXPECT_EQ(basic_info.xsize, basic_info2.xsize);
EXPECT_EQ(basic_info.ysize, basic_info2.ysize);
EXPECT_EQ(basic_info.bits_per_sample, basic_info2.bits_per_sample);
EXPECT_EQ(basic_info.exponent_bits_per_sample,
basic_info2.exponent_bits_per_sample);
EXPECT_NEAR(basic_info.intensity_target, basic_info2.intensity_target,
0.5);
EXPECT_NEAR(basic_info.min_nits, basic_info2.min_nits, 0.5);
EXPECT_NEAR(basic_info.linear_below, basic_info2.linear_below, 0.5);
EXPECT_EQ(basic_info.relative_to_max_display,
basic_info2.relative_to_max_display);
EXPECT_EQ(basic_info.uses_original_profile,
basic_info2.uses_original_profile);
EXPECT_EQ(basic_info.orientation, basic_info2.orientation);
EXPECT_EQ(basic_info.intrinsic_xsize, basic_info2.intrinsic_xsize);
EXPECT_EQ(basic_info.intrinsic_ysize, basic_info2.intrinsic_ysize);
EXPECT_EQ(basic_info.num_color_channels, basic_info2.num_color_channels);
// TODO(lode): also test num_extra_channels, but currently there may be a
// mismatch between 0 and 1 if there is alpha, until encoder support for
// extra channels is fully implemented.
EXPECT_EQ(basic_info.alpha_bits, basic_info2.alpha_bits);
EXPECT_EQ(basic_info.alpha_exponent_bits,
basic_info2.alpha_exponent_bits);
EXPECT_EQ(basic_info.alpha_premultiplied,
basic_info2.alpha_premultiplied);
EXPECT_EQ(basic_info.have_preview, basic_info2.have_preview);
if (basic_info.have_preview) {
EXPECT_EQ(basic_info.preview.xsize, basic_info2.preview.xsize);
EXPECT_EQ(basic_info.preview.ysize, basic_info2.preview.ysize);
}
EXPECT_EQ(basic_info.have_animation, basic_info2.have_animation);
if (basic_info.have_animation) {
EXPECT_EQ(basic_info.animation.tps_numerator,
basic_info2.animation.tps_numerator);
EXPECT_EQ(basic_info.animation.tps_denominator,
basic_info2.animation.tps_denominator);
EXPECT_EQ(basic_info.animation.num_loops,
basic_info2.animation.num_loops);
EXPECT_EQ(basic_info.animation.have_timecodes,
basic_info2.animation.have_timecodes);
}
} else {
FAIL(); // unexpected status
}
}
}
TEST(EncodeTest, AnimationHeaderTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
size_t xsize = 1;
size_t ysize = 1;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.have_animation = JXL_TRUE;
basic_info.animation.tps_numerator = 1000;
basic_info.animation.tps_denominator = 1;
basic_info.animation.have_timecodes = JXL_TRUE;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, /*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
std::string frame_name = "test frame";
JxlFrameHeader header;
JxlEncoderInitFrameHeader(&header);
header.duration = 50;
header.timecode = 800;
header.layer_info.blend_info.blendmode = JXL_BLEND_BLEND;
header.layer_info.blend_info.source = 2;
header.layer_info.blend_info.clamp = 1;
JxlBlendInfo extra_channel_blend_info;
JxlEncoderInitBlendInfo(&extra_channel_blend_info);
extra_channel_blend_info.blendmode = JXL_BLEND_MULADD;
JxlEncoderSetFrameHeader(frame_settings, &header);
JxlEncoderSetExtraChannelBlendInfo(frame_settings, 0,
&extra_channel_blend_info);
JxlEncoderSetFrameName(frame_settings, frame_name.c_str());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseFrames(enc.get());
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
// Decode to verify the boxes, we don't decode to pixels, only the boxes.
JxlDecoderPtr dec = JxlDecoderMake(nullptr);
EXPECT_NE(nullptr, dec.get());
// To test the blend_info fields, coalescing must be set to false in the
// decoder.
EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderSetCoalescing(dec.get(), JXL_FALSE));
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderSubscribeEvents(dec.get(), JXL_DEC_FRAME));
JxlDecoderSetInput(dec.get(), compressed.data(), compressed.size());
JxlDecoderCloseInput(dec.get());
bool seen_frame = false;
for (;;) {
JxlDecoderStatus status = JxlDecoderProcessInput(dec.get());
if (status == JXL_DEC_ERROR) {
FAIL();
} else if (status == JXL_DEC_SUCCESS) {
break;
} else if (status == JXL_DEC_FRAME) {
seen_frame = true;
JxlFrameHeader header2;
EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetFrameHeader(dec.get(), &header2));
EXPECT_EQ(header.duration, header2.duration);
EXPECT_EQ(header.timecode, header2.timecode);
EXPECT_EQ(header.layer_info.blend_info.blendmode,
header2.layer_info.blend_info.blendmode);
EXPECT_EQ(header.layer_info.blend_info.clamp,
header2.layer_info.blend_info.clamp);
EXPECT_EQ(header.layer_info.blend_info.source,
header2.layer_info.blend_info.source);
EXPECT_EQ(frame_name.size(), header2.name_length);
JxlBlendInfo extra_channel_blend_info2;
JxlDecoderGetExtraChannelBlendInfo(dec.get(), 0,
&extra_channel_blend_info2);
EXPECT_EQ(extra_channel_blend_info.blendmode,
extra_channel_blend_info2.blendmode);
if (header2.name_length > 0) {
std::string frame_name2(header2.name_length + 1, '\0');
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderGetFrameName(dec.get(), &frame_name2.front(),
frame_name2.size()));
frame_name2.resize(header2.name_length);
EXPECT_EQ(frame_name, frame_name2);
}
} else {
FAIL(); // unexpected status
}
}
EXPECT_EQ(true, seen_frame);
}
TEST(EncodeTest, CroppedFrameTest) {
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
size_t xsize = 300;
size_t ysize = 300;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
std::vector<uint8_t> pixels2(pixels.size());
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
// Encoding a 300x300 frame in an image that is only 100x100
basic_info.xsize = 100;
basic_info.ysize = 100;
basic_info.uses_original_profile = JXL_TRUE;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, /*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
JxlFrameHeader header;
JxlEncoderInitFrameHeader(&header);
header.layer_info.have_crop = JXL_TRUE;
header.layer_info.xsize = xsize;
header.layer_info.ysize = ysize;
header.layer_info.crop_x0 = -50;
header.layer_info.crop_y0 = -250;
JxlEncoderSetFrameLossless(frame_settings, JXL_TRUE);
JxlEncoderSetFrameHeader(frame_settings, &header);
JxlEncoderFrameSettingsSetOption(frame_settings, JXL_ENC_FRAME_SETTING_EFFORT,
1);
std::vector<uint8_t> compressed = std::vector<uint8_t>(100);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
JxlEncoderCloseFrames(enc.get());
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
JxlDecoderPtr dec = JxlDecoderMake(nullptr);
EXPECT_NE(nullptr, dec.get());
// Non-coalesced decoding so we can get the full uncropped frame
EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderSetCoalescing(dec.get(), JXL_FALSE));
EXPECT_EQ(
JXL_DEC_SUCCESS,
JxlDecoderSubscribeEvents(dec.get(), JXL_DEC_FRAME | JXL_DEC_FULL_IMAGE));
JxlDecoderSetInput(dec.get(), compressed.data(), compressed.size());
JxlDecoderCloseInput(dec.get());
bool seen_frame = false;
bool checked_frame = false;
for (;;) {
JxlDecoderStatus status = JxlDecoderProcessInput(dec.get());
if (status == JXL_DEC_ERROR) {
FAIL();
} else if (status == JXL_DEC_SUCCESS) {
break;
} else if (status == JXL_DEC_FRAME) {
seen_frame = true;
JxlFrameHeader header2;
EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetFrameHeader(dec.get(), &header2));
EXPECT_EQ(header.layer_info.xsize, header2.layer_info.xsize);
EXPECT_EQ(header.layer_info.ysize, header2.layer_info.ysize);
EXPECT_EQ(header.layer_info.crop_x0, header2.layer_info.crop_x0);
EXPECT_EQ(header.layer_info.crop_y0, header2.layer_info.crop_y0);
} else if (status == JXL_DEC_NEED_IMAGE_OUT_BUFFER) {
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderSetImageOutBuffer(dec.get(), &pixel_format,
pixels2.data(), pixels2.size()));
} else if (status == JXL_DEC_FULL_IMAGE) {
EXPECT_EQ(0, memcmp(pixels.data(), pixels2.data(), pixels.size()));
checked_frame = true;
} else {
FAIL(); // unexpected status
}
}
EXPECT_EQ(true, checked_frame);
EXPECT_EQ(true, seen_frame);
}
struct EncodeBoxTest : public testing::TestWithParam<std::tuple<bool, size_t>> {
};
JXL_BOXES_TEST_P(EncodeBoxTest, BoxTest) {
// Test with uncompressed boxes and with brob boxes
bool compress_box = std::get<0>(GetParam());
size_t xml_box_size = std::get<1>(GetParam());
// TODO(firsching): use xml_box_size
(void)xml_box_size;
// Tests adding two metadata boxes with the encoder: an exif box before the
// image frame, and an xml box after the image frame. Then verifies the
// decoder can decode them, they are in the expected place, and have the
// correct content after decoding.
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
EXPECT_NE(nullptr, enc.get());
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderUseBoxes(enc.get()));
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
size_t xsize = 50;
size_t ysize = 17;
JxlPixelFormat pixel_format = {4, JXL_TYPE_UINT16, JXL_BIG_ENDIAN, 0};
std::vector<uint8_t> pixels = jxl::test::GetSomeTestImage(xsize, ysize, 4, 0);
JxlBasicInfo basic_info;
jxl::test::JxlBasicInfoSetFromPixelFormat(&basic_info, &pixel_format);
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.uses_original_profile = JXL_FALSE;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc.get(), 10));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc.get(), &basic_info));
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding,
/*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
// Add an early metadata box. Also add a valid 4-byte TIFF offset header
// before the fake exif data of these box contents.
constexpr const char* exif_test_string = "\0\0\0\0exif test data";
const uint8_t* exif_data = reinterpret_cast<const uint8_t*>(exif_test_string);
// Skip the 4 zeroes for strlen
const size_t exif_size = 4 + strlen(exif_test_string + 4);
JxlEncoderAddBox(enc.get(), "Exif", exif_data, exif_size,
TO_JXL_BOOL(compress_box));
// Write to output
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
// Add image frame
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &pixel_format,
pixels.data(), pixels.size()));
// Indicate this is the last frame
JxlEncoderCloseFrames(enc.get());
// Write to output
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
// Add a late metadata box
constexpr const char* xml_test_string = "<some random xml data>";
const uint8_t* xml_data = reinterpret_cast<const uint8_t*>(xml_test_string);
size_t xml_size = strlen(xml_test_string);
JxlEncoderAddBox(enc.get(), "XML ", xml_data, xml_size,
TO_JXL_BOOL(compress_box));
// Indicate this is the last box
JxlEncoderCloseBoxes(enc.get());
// Write to output
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
// Decode to verify the boxes, we don't decode to pixels, only the boxes.
JxlDecoderPtr dec = JxlDecoderMake(nullptr);
EXPECT_NE(nullptr, dec.get());
if (compress_box) {
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderSetDecompressBoxes(dec.get(), JXL_TRUE));
}
EXPECT_EQ(JXL_DEC_SUCCESS,
JxlDecoderSubscribeEvents(dec.get(), JXL_DEC_FRAME | JXL_DEC_BOX));
JxlDecoderSetInput(dec.get(), compressed.data(), compressed.size());
JxlDecoderCloseInput(dec.get());
std::vector<uint8_t> dec_exif_box(exif_size);
std::vector<uint8_t> dec_xml_box(xml_size);
for (bool post_frame = false;;) {
JxlDecoderStatus status = JxlDecoderProcessInput(dec.get());
if (status == JXL_DEC_ERROR) {
FAIL();
} else if (status == JXL_DEC_SUCCESS) {
EXPECT_EQ(0, JxlDecoderReleaseBoxBuffer(dec.get()));
break;
} else if (status == JXL_DEC_FRAME) {
post_frame = true;
} else if (status == JXL_DEC_BOX) {
// Since we gave the exif/xml box output buffer of the exact known
// correct size, 0 bytes should be released. Same when no buffer was
// set.
EXPECT_EQ(0, JxlDecoderReleaseBoxBuffer(dec.get()));
JxlBoxType type;
EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetBoxType(dec.get(), type, true));
if (memcmp(type, "Exif", 4) == 0) {
// This box should have been encoded before the image frame
EXPECT_EQ(false, post_frame);
JxlDecoderSetBoxBuffer(dec.get(), dec_exif_box.data(),
dec_exif_box.size());
} else if (memcmp(type, "XML ", 4) == 0) {
// This box should have been encoded after the image frame
EXPECT_EQ(true, post_frame);
JxlDecoderSetBoxBuffer(dec.get(), dec_xml_box.data(),
dec_xml_box.size());
}
} else {
FAIL(); // unexpected status
}
}
EXPECT_EQ(0, memcmp(exif_data, dec_exif_box.data(), exif_size));
EXPECT_EQ(0, memcmp(xml_data, dec_xml_box.data(), xml_size));
}
std::string nameBoxTest(
const ::testing::TestParamInfo<std::tuple<bool, size_t>>& info) {
return (std::get<0>(info.param) ? "C" : "Unc") + std::string("ompressed") +
"_BoxSize_" + std::to_string((std::get<1>(info.param)));
}
JXL_GTEST_INSTANTIATE_TEST_SUITE_P(
EncodeBoxParamsTest, EncodeBoxTest,
testing::Combine(testing::Values(false, true),
testing::Values(256,
jxl::kLargeBoxContentSizeThreshold + 77)),
nameBoxTest);
JXL_TRANSCODE_JPEG_TEST(EncodeTest, JPEGFrameTest) {
TEST_LIBJPEG_SUPPORT();
for (int skip_basic_info = 0; skip_basic_info < 2; skip_basic_info++) {
for (int skip_color_encoding = 0; skip_color_encoding < 2;
skip_color_encoding++) {
// cannot set color encoding if basic info is not set
if (skip_basic_info && !skip_color_encoding) continue;
const std::string jpeg_path = "jxl/flower/flower_cropped.jpg";
const std::vector<uint8_t> orig = jxl::test::ReadTestData(jpeg_path);
jxl::extras::PackedPixelFile orig_ppf;
ASSERT_TRUE(
DecodeBytes(jxl::Bytes(orig), jxl::extras::ColorHints(), &orig_ppf));
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
JxlEncoderFrameSettingsSetOption(frame_settings,
JXL_ENC_FRAME_SETTING_EFFORT, 1);
if (!skip_basic_info) {
JxlBasicInfo basic_info;
JxlEncoderInitBasicInfo(&basic_info);
basic_info.xsize = orig_ppf.xsize();
basic_info.ysize = orig_ppf.ysize();
basic_info.uses_original_profile = JXL_TRUE;
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetBasicInfo(enc.get(), &basic_info));
}
if (!skip_color_encoding) {
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, /*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc.get(), &color_encoding));
}
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderAddJPEGFrame(
frame_settings, orig.data(), orig.size()));
JxlEncoderCloseInput(enc.get());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size() - (next_out - compressed.data());
JxlEncoderStatus process_result = JXL_ENC_NEED_MORE_OUTPUT;
while (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
process_result =
JxlEncoderProcessOutput(enc.get(), &next_out, &avail_out);
if (process_result == JXL_ENC_NEED_MORE_OUTPUT) {
size_t offset = next_out - compressed.data();
compressed.resize(compressed.size() * 2);
next_out = compressed.data() + offset;
avail_out = compressed.size() - offset;
}
}
compressed.resize(next_out - compressed.data());
EXPECT_EQ(JXL_ENC_SUCCESS, process_result);
jxl::extras::PackedPixelFile decoded_ppf;
EXPECT_TRUE(DecodeBytes(jxl::Bytes(compressed.data(), compressed.size()),
jxl::extras::ColorHints(), &decoded_ppf));
EXPECT_LE(jxl::test::ComputeDistance2(orig_ppf, decoded_ppf), 3.5);
}
}
}
namespace {
class JxlStreamingAdapter {
public:
JxlStreamingAdapter(JxlEncoder* encoder, bool return_large_buffers,
bool can_seek)
: return_large_buffers_(return_large_buffers) {
struct JxlEncoderOutputProcessor output_processor;
output_processor.opaque = this;
output_processor.get_buffer =
METHOD_TO_C_CALLBACK(&JxlStreamingAdapter::GetBuffer);
if (can_seek) {
output_processor.seek = METHOD_TO_C_CALLBACK(&JxlStreamingAdapter::Seek);
} else {
output_processor.seek = nullptr;
}
output_processor.set_finalized_position =
METHOD_TO_C_CALLBACK(&JxlStreamingAdapter::SetFinalizedPosition);
output_processor.release_buffer =
METHOD_TO_C_CALLBACK(&JxlStreamingAdapter::ReleaseBuffer);
EXPECT_EQ(JxlEncoderSetOutputProcessor(encoder, output_processor),
JXL_ENC_SUCCESS);
}
std::vector<uint8_t> output() && {
output_.resize(position_);
return std::move(output_);
}
void* GetBuffer(size_t* size) {
if (!return_large_buffers_) {
*size = 1;
}
if (position_ + *size > output_.size()) {
output_.resize(position_ + *size, 0xDA);
}
if (return_large_buffers_) {
*size = output_.size() - position_;
}
return output_.data() + position_;
}
void ReleaseBuffer(size_t written_bytes) {
// TODO(veluca): check no more bytes were written.
Seek(position_ + written_bytes);
}
void Seek(uint64_t position) {
EXPECT_GE(position, finalized_position_);
position_ = position;
}
void SetFinalizedPosition(uint64_t finalized_position) {
EXPECT_GE(finalized_position, finalized_position_);
finalized_position_ = finalized_position;
EXPECT_GE(position_, finalized_position_);
}
void CheckFinalWatermarkPosition() const {
EXPECT_EQ(finalized_position_, position_);
}
private:
std::vector<uint8_t> output_;
size_t position_ = 0;
size_t finalized_position_ = 0;
bool return_large_buffers_;
};
class JxlChunkedFrameInputSourceAdapter {
private:
static const void* GetDataAt(const jxl::extras::PackedImage& image,
size_t xpos, size_t ypos, size_t* row_offset) {
JxlDataType data_type = image.format.data_type;
size_t num_channels = image.format.num_channels;
size_t bytes_per_pixel =
num_channels * jxl::extras::PackedImage::BitsPerChannel(data_type) / 8;
*row_offset = image.stride;
return static_cast<uint8_t*>(image.pixels()) + bytes_per_pixel * xpos +
ypos * image.stride;
}
public:
// Constructor to wrap the image data or any other state
explicit JxlChunkedFrameInputSourceAdapter(
jxl::extras::PackedImage color_channel,
jxl::extras::PackedImage extra_channel)
: colorchannel_(std::move(color_channel)),
extra_channel_(std::move(extra_channel)) {}
~JxlChunkedFrameInputSourceAdapter() { EXPECT_TRUE(active_buffers_.empty()); }
void GetColorChannelsPixelFormat(JxlPixelFormat* pixel_format) {
*pixel_format = colorchannel_.format;
}
const void* GetColorChannelDataAt(size_t xpos, size_t ypos, size_t xsize,
size_t ysize, size_t* row_offset) {
const void* p = GetDataAt(colorchannel_, xpos, ypos, row_offset);
std::lock_guard<std::mutex> lock(mtx_);
active_buffers_.insert(p);
return p;
}
void GetExtraChannelPixelFormat(size_t ec_index,
JxlPixelFormat* pixel_format) {
// In this test, we we the same color channel data, so `ec_index` is never
// used
*pixel_format = extra_channel_.format;
}
const void* GetExtraChannelDataAt(size_t ec_index, size_t xpos, size_t ypos,
size_t xsize, size_t ysize,
size_t* row_offset) {
// In this test, we we the same color channel data, so `ec_index` is never
// used
const void* p = GetDataAt(extra_channel_, xpos, ypos, row_offset);
std::lock_guard<std::mutex> lock(mtx_);
active_buffers_.insert(p);
return p;
}
void ReleaseCurrentData(const void* buffer) {
std::lock_guard<std::mutex> lock(mtx_);
auto iter = active_buffers_.find(buffer);
if (iter != active_buffers_.end()) {
active_buffers_.erase(iter);
}
}
JxlChunkedFrameInputSource GetInputSource() {
return JxlChunkedFrameInputSource{
this,
METHOD_TO_C_CALLBACK(
&JxlChunkedFrameInputSourceAdapter::GetColorChannelsPixelFormat),
METHOD_TO_C_CALLBACK(
&JxlChunkedFrameInputSourceAdapter::GetColorChannelDataAt),
METHOD_TO_C_CALLBACK(
&JxlChunkedFrameInputSourceAdapter::GetExtraChannelPixelFormat),
METHOD_TO_C_CALLBACK(
&JxlChunkedFrameInputSourceAdapter::GetExtraChannelDataAt),
METHOD_TO_C_CALLBACK(
&JxlChunkedFrameInputSourceAdapter::ReleaseCurrentData)};
}
private:
const jxl::extras::PackedImage colorchannel_;
const jxl::extras::PackedImage extra_channel_;
std::mutex mtx_;
std::set<const void*> active_buffers_;
};
struct StreamingTestParam {
size_t bitmask;
bool use_container() const { return static_cast<bool>(bitmask & 0x1); }
bool return_large_buffers() const { return static_cast<bool>(bitmask & 0x2); }
bool multiple_frames() const { return static_cast<bool>(bitmask & 0x4); }
bool fast_lossless() const { return static_cast<bool>(bitmask & 0x8); }
bool can_seek() const { return static_cast<bool>(bitmask & 0x10); }
bool with_extra_channels() const { return static_cast<bool>(bitmask & 0x20); }
bool color_includes_alpha() const {
return static_cast<bool>(bitmask & 0x40);
}
bool onegroup() const { return static_cast<bool>(bitmask & 0x80); }
bool is_lossless() const { return fast_lossless(); }
static std::vector<StreamingTestParam> All() {
std::vector<StreamingTestParam> params;
for (size_t bitmask = 0; bitmask < 256; bitmask++) {
params.push_back(StreamingTestParam{bitmask});
}
return params;
}
};
std::ostream& operator<<(std::ostream& out, StreamingTestParam p) {
if (p.use_container()) {
out << "WithContainer_";
} else {
out << "WithoutContainer_";
}
if (p.return_large_buffers()) {
out << "WithLargeBuffers_";
} else {
out << "WithSmallBuffers_";
}
if (p.multiple_frames()) out << "WithMultipleFrames_";
if (p.fast_lossless()) out << "FastLossless_";
if (!p.can_seek()) {
out << "CannotSeek_";
} else {
out << "CanSeek_";
}
if (p.with_extra_channels()) {
out << "WithExtraChannels_";
} else {
out << "WithoutExtraChannels_";
}
if (p.color_includes_alpha()) {
out << "ColorIncludesAlpha_";
} else {
out << "ColorWithoutAlpha_";
}
if (p.onegroup()) {
out << "OneGroup_";
} else {
out << "MultiGroup_";
}
return out;
}
} // namespace
class EncoderStreamingTest : public testing::TestWithParam<StreamingTestParam> {
public:
static void SetupImage(const StreamingTestParam& p, size_t xsize,
size_t ysize, size_t num_channels,
size_t bits_per_sample, jxl::test::TestImage& image) {
ASSERT_TRUE(image.SetDimensions(xsize, ysize));
image.SetDataType(JXL_TYPE_UINT8);
ASSERT_TRUE(image.SetChannels(num_channels));
image.SetAllBitDepths(bits_per_sample);
if (p.onegroup()) {
image.SetRowAlignment(128);
}
JXL_TEST_ASSIGN_OR_DIE(auto frame, image.AddFrame());
frame.RandomFill();
}
static void SetUpBasicInfo(JxlBasicInfo& basic_info, size_t xsize,
size_t ysize, size_t number_extra_channels,
bool include_alpha, bool is_lossless) {
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.num_extra_channels =
number_extra_channels + (include_alpha ? 1 : 0);
basic_info.uses_original_profile = TO_JXL_BOOL(is_lossless);
}
static void SetupEncoder(JxlEncoderFrameSettings* frame_settings,
const StreamingTestParam& p,
const JxlBasicInfo& basic_info,
size_t number_extra_channels, bool streaming) {
JxlEncoderStruct* enc = frame_settings->enc;
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc, &basic_info));
if (p.fast_lossless()) {
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetFrameLossless(frame_settings, JXL_TRUE));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings, JXL_ENC_FRAME_SETTING_EFFORT, 1));
}
JxlColorEncoding color_encoding;
JxlColorEncodingSetToSRGB(&color_encoding, /*is_gray=*/JXL_FALSE);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetColorEncoding(enc, &color_encoding));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(frame_settings,
JXL_ENC_FRAME_SETTING_BUFFERING,
streaming ? 3 : 0));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderFrameSettingsSetOption(
frame_settings,
JXL_ENC_FRAME_SETTING_USE_FULL_IMAGE_HEURISTICS, 0));
if (p.use_container()) {
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetCodestreamLevel(enc, 10));
}
for (size_t i = 0; i < number_extra_channels; i++) {
JxlExtraChannelInfo channel_info;
JxlExtraChannelType channel_type = JXL_CHANNEL_THERMAL;
JxlEncoderInitExtraChannelInfo(channel_type, &channel_info);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetExtraChannelInfo(enc, i, &channel_info));
}
}
static void SetupInputNonStreaming(JxlEncoderFrameSettings* frame_settings,
const StreamingTestParam& p,
size_t number_extra_channels,
const jxl::extras::PackedImage& frame,
const jxl::extras::PackedImage& ec_frame) {
size_t frame_count = static_cast<int>(p.multiple_frames()) + 1;
for (size_t i = 0; i < frame_count; i++) {
{
// Copy pixel data here because it is only guaranteed to be available
// during the call to JxlEncoderAddImageFrame().
std::vector<uint8_t> pixels(frame.pixels_size);
memcpy(pixels.data(), frame.pixels(), pixels.size());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &frame.format,
pixels.data(), pixels.size()));
}
for (size_t i = 0; i < number_extra_channels; i++) {
// Copy pixel data here because it is only guaranteed to be available
// during the call to JxlEncoderSetExtraChannelBuffer().
std::vector<uint8_t> ec_pixels(ec_frame.pixels_size);
memcpy(ec_pixels.data(), ec_frame.pixels(), ec_pixels.size());
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetExtraChannelBuffer(
frame_settings, &ec_frame.format,
ec_pixels.data(), ec_pixels.size(), i));
}
}
JxlEncoderCloseInput(frame_settings->enc);
}
static void SetupInputStreaming(JxlEncoderFrameSettings* frame_settings,
const StreamingTestParam& p,
size_t number_extra_channels,
const jxl::extras::PackedImage& frame,
const jxl::extras::PackedImage& ec_frame) {
size_t frame_count = static_cast<int>(p.multiple_frames()) + 1;
for (size_t i = 0; i < frame_count; i++) {
// Create local copy of pixels and adapter because they are only
// guarantted to be available during the JxlEncoderAddChunkedFrame() call.
JxlChunkedFrameInputSourceAdapter chunked_frame_adapter(frame.Copy(),
ec_frame.Copy());
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddChunkedFrame(
// should only set `JXL_TRUE` in the lass pass of the loop
frame_settings, i + 1 == frame_count ? JXL_TRUE : JXL_FALSE,
chunked_frame_adapter.GetInputSource()));
}
}
};
TEST_P(EncoderStreamingTest, OutputCallback) {
const StreamingTestParam p = GetParam();
size_t xsize = p.onegroup() ? 17 : 257;
size_t ysize = p.onegroup() ? 19 : 259;
size_t number_extra_channels = p.with_extra_channels() ? 5 : 0;
jxl::test::TestImage image;
SetupImage(p, xsize, ysize, p.color_includes_alpha() ? 4 : 3,
p.use_container() ? 16 : 8, image);
jxl::test::TestImage ec_image;
SetupImage(p, xsize, ysize, 1, 8, ec_image);
const auto& frame = image.ppf().frames[0].color;
const auto& ec_frame = ec_image.ppf().frames[0].color;
JxlBasicInfo basic_info = image.ppf().info;
SetUpBasicInfo(basic_info, xsize, ysize, number_extra_channels,
p.color_includes_alpha(), p.is_lossless());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
// without streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, false);
SetupInputNonStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size();
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
}
std::vector<uint8_t> streaming_compressed;
// with streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, true);
SetupInputNonStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
JxlStreamingAdapter streaming_adapter(enc.get(), p.return_large_buffers(),
p.can_seek());
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderFlushInput(enc.get()));
streaming_adapter.CheckFinalWatermarkPosition();
streaming_compressed = std::move(streaming_adapter).output();
}
EXPECT_TRUE(SameDecodedPixels(compressed, streaming_compressed));
EXPECT_LE(streaming_compressed.size(), compressed.size() + 1024);
}
TEST_P(EncoderStreamingTest, ChunkedFrame) {
const StreamingTestParam p = GetParam();
size_t xsize = p.onegroup() ? 17 : 257;
size_t ysize = p.onegroup() ? 19 : 259;
size_t number_extra_channels = p.with_extra_channels() ? 5 : 0;
jxl::test::TestImage image;
SetupImage(p, xsize, ysize, p.color_includes_alpha() ? 4 : 3,
p.use_container() ? 16 : 8, image);
jxl::test::TestImage ec_image;
SetupImage(p, xsize, ysize, 1, 8, ec_image);
const auto& frame = image.ppf().frames[0].color;
const auto& ec_frame = ec_image.ppf().frames[0].color;
JxlBasicInfo basic_info = image.ppf().info;
SetUpBasicInfo(basic_info, xsize, ysize, number_extra_channels,
p.color_includes_alpha(), p.is_lossless());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
std::vector<uint8_t> streaming_compressed = std::vector<uint8_t>(64);
// without streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, false);
SetupInputNonStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size();
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
}
// with streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, true);
SetupInputStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
uint8_t* next_out = streaming_compressed.data();
size_t avail_out = streaming_compressed.size();
ProcessEncoder(enc.get(), streaming_compressed, next_out, avail_out);
}
EXPECT_TRUE(SameDecodedPixels(compressed, streaming_compressed));
EXPECT_LE(streaming_compressed.size(), compressed.size() + 1024);
}
TEST_P(EncoderStreamingTest, ChunkedAndOutputCallback) {
const StreamingTestParam p = GetParam();
size_t xsize = p.onegroup() ? 17 : 257;
size_t ysize = p.onegroup() ? 19 : 259;
size_t number_extra_channels = p.with_extra_channels() ? 5 : 0;
jxl::test::TestImage image;
SetupImage(p, xsize, ysize, p.color_includes_alpha() ? 4 : 3,
p.use_container() ? 16 : 8, image);
jxl::test::TestImage ec_image;
SetupImage(p, xsize, ysize, 1, 8, ec_image);
const auto& frame = image.ppf().frames[0].color;
const auto& ec_frame = ec_image.ppf().frames[0].color;
JxlBasicInfo basic_info = image.ppf().info;
SetUpBasicInfo(basic_info, xsize, ysize, number_extra_channels,
p.color_includes_alpha(), p.is_lossless());
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
// without streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, false);
SetupInputNonStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size();
ProcessEncoder(enc.get(), compressed, next_out, avail_out);
}
std::vector<uint8_t> streaming_compressed;
// with streaming
{
JxlEncoderPtr enc = JxlEncoderMake(nullptr);
ASSERT_NE(nullptr, enc.get());
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc.get(), nullptr);
SetupEncoder(frame_settings, p, basic_info, number_extra_channels, true);
JxlStreamingAdapter streaming_adapter =
JxlStreamingAdapter(enc.get(), p.return_large_buffers(), p.can_seek());
SetupInputStreaming(frame_settings, p, number_extra_channels, frame,
ec_frame);
streaming_adapter.CheckFinalWatermarkPosition();
streaming_compressed = std::move(streaming_adapter).output();
}
EXPECT_TRUE(SameDecodedPixels(compressed, streaming_compressed));
EXPECT_LE(streaming_compressed.size(), compressed.size() + 1024);
}
JXL_GTEST_INSTANTIATE_TEST_SUITE_P(
EncoderStreamingTest, EncoderStreamingTest,
testing::ValuesIn(StreamingTestParam::All()));
TEST(EncoderTest, CMYK) {
size_t xsize = 257;
size_t ysize = 259;
jxl::test::TestImage image;
ASSERT_TRUE(image.SetDimensions(xsize, ysize));
image.SetDataType(JXL_TYPE_UINT8);
ASSERT_TRUE(image.SetChannels(3));
image.SetAllBitDepths(8);
JXL_TEST_ASSIGN_OR_DIE(auto frame0, image.AddFrame());
frame0.RandomFill();
jxl::test::TestImage ec_image;
ec_image.SetDataType(JXL_TYPE_UINT8);
ASSERT_TRUE(ec_image.SetDimensions(xsize, ysize));
ASSERT_TRUE(ec_image.SetChannels(1));
ec_image.SetAllBitDepths(8);
JXL_TEST_ASSIGN_OR_DIE(auto frame1, ec_image.AddFrame());
frame1.RandomFill();
const auto& frame = image.ppf().frames[0].color;
const auto& ec_frame = ec_image.ppf().frames[0].color;
JxlBasicInfo basic_info = image.ppf().info;
basic_info.xsize = xsize;
basic_info.ysize = ysize;
basic_info.num_extra_channels = 1;
basic_info.uses_original_profile = JXL_TRUE;
std::vector<uint8_t> compressed = std::vector<uint8_t>(64);
JxlEncoderPtr enc_ptr = JxlEncoderMake(nullptr);
JxlEncoderStruct* enc = enc_ptr.get();
ASSERT_NE(nullptr, enc);
JxlEncoderFrameSettings* frame_settings =
JxlEncoderFrameSettingsCreate(enc, nullptr);
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetBasicInfo(enc, &basic_info));
JxlExtraChannelInfo channel_info;
JxlExtraChannelType channel_type = JXL_CHANNEL_BLACK;
JxlEncoderInitExtraChannelInfo(channel_type, &channel_info);
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetExtraChannelInfo(enc, 0, &channel_info));
const std::vector<uint8_t> icc = jxl::test::ReadTestData(
"external/Compact-ICC-Profiles/profiles/"
"CGATS001Compat-v2-micro.icc");
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderSetICCProfile(enc, icc.data(), icc.size()));
EXPECT_EQ(JXL_ENC_SUCCESS,
JxlEncoderAddImageFrame(frame_settings, &frame.format,
frame.pixels(), frame.pixels_size));
EXPECT_EQ(JXL_ENC_SUCCESS, JxlEncoderSetExtraChannelBuffer(
frame_settings, &ec_frame.format,
ec_frame.pixels(), ec_frame.pixels_size, 0));
JxlEncoderCloseInput(frame_settings->enc);
uint8_t* next_out = compressed.data();
size_t avail_out = compressed.size();
ProcessEncoder(enc, compressed, next_out, avail_out);
jxl::extras::JXLDecompressParams dparams;
dparams.accepted_formats = {
{3, JXL_TYPE_UINT8, JXL_LITTLE_ENDIAN, 0},
};
jxl::extras::PackedPixelFile ppf;
EXPECT_TRUE(DecodeImageJXL(compressed.data(), compressed.size(), dparams,
nullptr, &ppf, nullptr));
}
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