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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc')
-rw-r--r-- | third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc | 66 |
1 files changed, 66 insertions, 0 deletions
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..60f7c32229 --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl/patch_dictionary_test.cc @@ -0,0 +1,66 @@ +// 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 <cstddef> +#include <cstdint> +#include <vector> + +#include "lib/extras/codec.h" +#include "lib/jxl/base/override.h" +#include "lib/jxl/base/span.h" +#include "lib/jxl/enc_butteraugli_comparator.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 test::ReadTestData; +using test::Roundtrip; + +TEST(PatchDictionaryTest, GrayscaleModular) { + const std::vector<uint8_t> orig = ReadTestData("jxl/grayscale_patches.png"); + CodecInOut io; + ASSERT_TRUE(SetFromBytes(Bytes(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 std::vector<uint8_t> orig = ReadTestData("jxl/grayscale_patches.png"); + CodecInOut io; + ASSERT_TRUE(SetFromBytes(Bytes(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, ButteraugliParams(), + *JxlGetDefaultCms(), + /*distmap=*/nullptr), + 1.1); +} + +} // namespace +} // namespace jxl |