From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../jpeg-xl/lib/jxl/patch_dictionary_test.cc | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc (limited to 'third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc') diff --git a/third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc b/third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc new file mode 100644 index 0000000000..5cc6c13a9e --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc @@ -0,0 +1,58 @@ +// 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 "lib/extras/codec.h" +#include "lib/jxl/enc_butteraugli_comparator.h" +#include "lib/jxl/enc_color_management.h" +#include "lib/jxl/enc_params.h" +#include "lib/jxl/image_test_utils.h" +#include "lib/jxl/test_utils.h" +#include "lib/jxl/testing.h" + +namespace jxl { +namespace { + +using ::jxl::test::Roundtrip; + +TEST(PatchDictionaryTest, GrayscaleModular) { + const PaddedBytes orig = jxl::test::ReadTestData("jxl/grayscale_patches.png"); + CodecInOut io; + ASSERT_TRUE(SetFromBytes(Span(orig), &io)); + + CompressParams cparams; + cparams.SetLossless(); + cparams.patches = jxl::Override::kOn; + + CodecInOut io2; + // Without patches: ~25k + size_t compressed_size; + JXL_EXPECT_OK(Roundtrip(&io, cparams, {}, &io2, _, &compressed_size)); + EXPECT_LE(compressed_size, 8000u); + JXL_ASSERT_OK(VerifyRelativeError(*io.Main().color(), *io2.Main().color(), + 1e-7f, 0, _)); +} + +TEST(PatchDictionaryTest, GrayscaleVarDCT) { + const PaddedBytes orig = jxl::test::ReadTestData("jxl/grayscale_patches.png"); + CodecInOut io; + ASSERT_TRUE(SetFromBytes(Span(orig), &io)); + + CompressParams cparams; + cparams.patches = jxl::Override::kOn; + + CodecInOut io2; + // Without patches: ~47k + size_t compressed_size; + JXL_EXPECT_OK(Roundtrip(&io, cparams, {}, &io2, _, &compressed_size)); + EXPECT_LE(compressed_size, 14000u); + // Without patches: ~1.2 + EXPECT_LE( + ButteraugliDistance(io.frames, io2.frames, cparams.ba_params, GetJxlCms(), + /*distmap=*/nullptr), + 1.1); +} + +} // namespace +} // namespace jxl -- cgit v1.2.3