| /* |
| * Copyright (c) 2018, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <string> |
| #include "third_party/googletest/src/googletest/include/gtest/gtest.h" |
| #include "aom_dsp/grain_table.h" |
| #include "aom/internal/aom_codec_internal.h" |
| #include "av1/encoder/grain_test_vectors.h" |
| #include "test/video_source.h" |
| |
| void grain_equal(const aom_film_grain_t *expected, |
| const aom_film_grain_t *actual) { |
| EXPECT_EQ(expected->apply_grain, actual->apply_grain); |
| EXPECT_EQ(expected->update_parameters, actual->update_parameters); |
| if (!expected->update_parameters) return; |
| EXPECT_EQ(expected->num_y_points, actual->num_y_points); |
| EXPECT_EQ(expected->num_cb_points, actual->num_cb_points); |
| EXPECT_EQ(expected->num_cr_points, actual->num_cr_points); |
| EXPECT_EQ(0, memcmp(expected->scaling_points_y, actual->scaling_points_y, |
| expected->num_y_points * |
| sizeof(expected->scaling_points_y[0]))); |
| EXPECT_EQ(0, memcmp(expected->scaling_points_cb, actual->scaling_points_cb, |
| expected->num_cb_points * |
| sizeof(expected->scaling_points_cb[0]))); |
| EXPECT_EQ(0, memcmp(expected->scaling_points_cr, actual->scaling_points_cr, |
| expected->num_cr_points * |
| sizeof(expected->scaling_points_cr[0]))); |
| EXPECT_EQ(expected->scaling_shift, actual->scaling_shift); |
| EXPECT_EQ(expected->ar_coeff_lag, actual->ar_coeff_lag); |
| EXPECT_EQ(expected->ar_coeff_shift, actual->ar_coeff_shift); |
| |
| const int num_pos_luma = |
| 2 * expected->ar_coeff_lag * (expected->ar_coeff_lag + 1); |
| const int num_pos_chroma = num_pos_luma; |
| EXPECT_EQ(0, memcmp(expected->ar_coeffs_y, actual->ar_coeffs_y, |
| sizeof(expected->ar_coeffs_y[0]) * num_pos_luma)); |
| if (actual->num_cb_points || actual->chroma_scaling_from_luma) { |
| EXPECT_EQ(0, memcmp(expected->ar_coeffs_cb, actual->ar_coeffs_cb, |
| sizeof(expected->ar_coeffs_cb[0]) * num_pos_chroma)); |
| } |
| if (actual->num_cr_points || actual->chroma_scaling_from_luma) { |
| EXPECT_EQ(0, memcmp(expected->ar_coeffs_cr, actual->ar_coeffs_cr, |
| sizeof(expected->ar_coeffs_cr[0]) * num_pos_chroma)); |
| } |
| EXPECT_EQ(expected->overlap_flag, actual->overlap_flag); |
| EXPECT_EQ(expected->chroma_scaling_from_luma, |
| actual->chroma_scaling_from_luma); |
| EXPECT_EQ(expected->grain_scale_shift, actual->grain_scale_shift); |
| // EXPECT_EQ(expected->random_seed, actual->random_seed); |
| |
| // clip_to_restricted and bit_depth aren't written |
| if (expected->num_cb_points) { |
| EXPECT_EQ(expected->cb_mult, actual->cb_mult); |
| EXPECT_EQ(expected->cb_luma_mult, actual->cb_luma_mult); |
| EXPECT_EQ(expected->cb_offset, actual->cb_offset); |
| } |
| if (expected->num_cr_points) { |
| EXPECT_EQ(expected->cr_mult, actual->cr_mult); |
| EXPECT_EQ(expected->cr_luma_mult, actual->cr_luma_mult); |
| EXPECT_EQ(expected->cr_offset, actual->cr_offset); |
| } |
| } |
| |
| TEST(FilmGrainTableTest, AddAndLookupSingleSegment) { |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_t grain; |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 0, 1000, false, &grain)); |
| |
| aom_film_grain_table_append(&table, 1000, 2000, film_grain_test_vectors + 0); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 0, 1000, false, &grain)); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 2000, 3000, false, &grain)); |
| |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 1000, 2000, false, &grain)); |
| |
| grain.bit_depth = film_grain_test_vectors[0].bit_depth; |
| EXPECT_EQ(0, memcmp(&grain, film_grain_test_vectors + 0, sizeof(table))); |
| |
| // Extend the existing segment |
| aom_film_grain_table_append(&table, 2000, 3000, film_grain_test_vectors + 0); |
| EXPECT_EQ(0, table.head->next); |
| |
| // Lookup and remove and check that the entry is no longer there |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 1000, 2000, true, &grain)); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 1000, 2000, false, &grain)); |
| |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 2000, 3000, true, &grain)); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 2000, 3000, false, &grain)); |
| |
| EXPECT_EQ(0, table.head); |
| EXPECT_EQ(0, table.tail); |
| aom_film_grain_table_free(&table); |
| } |
| |
| TEST(FilmGrainTableTest, AddSingleSegmentRemoveBiggerSegment) { |
| aom_film_grain_table_t table; |
| aom_film_grain_t grain; |
| |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_table_append(&table, 0, 1000, film_grain_test_vectors + 0); |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 0, 1100, true, &grain)); |
| |
| EXPECT_EQ(0, table.head); |
| EXPECT_EQ(0, table.tail); |
| aom_film_grain_table_free(&table); |
| } |
| |
| TEST(FilmGrainTableTest, SplitSingleSegment) { |
| aom_film_grain_table_t table; |
| aom_film_grain_t grain; |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_table_append(&table, 0, 1000, film_grain_test_vectors + 0); |
| |
| // Test lookup and remove that adjusts start time |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 0, 100, true, &grain)); |
| EXPECT_EQ(nullptr, table.head->next); |
| EXPECT_EQ(100, table.head->start_time); |
| |
| // Test lookup and remove that adjusts end time |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 900, 1000, true, &grain)); |
| EXPECT_EQ(nullptr, table.head->next); |
| EXPECT_EQ(100, table.head->start_time); |
| EXPECT_EQ(900, table.head->end_time); |
| |
| // Test lookup and remove that splits the first entry |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, 400, 600, true, &grain)); |
| EXPECT_EQ(100, table.head->start_time); |
| EXPECT_EQ(400, table.head->end_time); |
| |
| ASSERT_NE(nullptr, table.head->next); |
| EXPECT_EQ(table.tail, table.head->next); |
| EXPECT_EQ(600, table.head->next->start_time); |
| EXPECT_EQ(900, table.head->next->end_time); |
| |
| aom_film_grain_table_free(&table); |
| } |
| |
| TEST(FilmGrainTableTest, AddAndLookupMultipleSegments) { |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_t grain; |
| const int kNumTestVectors = |
| sizeof(film_grain_test_vectors) / sizeof(film_grain_test_vectors[0]); |
| for (int i = 0; i < kNumTestVectors; ++i) { |
| aom_film_grain_table_append(&table, i * 1000, (i + 1) * 1000, |
| film_grain_test_vectors + i); |
| } |
| |
| for (int i = kNumTestVectors - 1; i >= 0; --i) { |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, i * 1000, (i + 1) * 1000, |
| true, &grain)); |
| grain_equal(film_grain_test_vectors + i, &grain); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, i * 1000, (i + 1) * 1000, |
| true, &grain)); |
| } |
| |
| // Verify that all the data has been removed |
| for (int i = 0; i < kNumTestVectors; ++i) { |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, i * 1000, (i + 1) * 1000, |
| true, &grain)); |
| } |
| aom_film_grain_table_free(&table); |
| } |
| |
| class FilmGrainTableIOTest : public ::testing::Test { |
| protected: |
| void SetUp() { memset(&error_, 0, sizeof(error_)); } |
| struct aom_internal_error_info error_; |
| }; |
| |
| TEST_F(FilmGrainTableIOTest, ReadMissingFile) { |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| ASSERT_EQ(AOM_CODEC_ERROR, aom_film_grain_table_read( |
| &table, "/path/to/missing/file", &error_)); |
| } |
| |
| TEST_F(FilmGrainTableIOTest, ReadTruncatedFile) { |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| |
| std::string grain_file; |
| FILE *file = libaom_test::GetTempOutFile(&grain_file); |
| ASSERT_NE(file, nullptr); |
| fwrite("deadbeef", 8, 1, file); |
| fclose(file); |
| ASSERT_EQ(AOM_CODEC_ERROR, |
| aom_film_grain_table_read(&table, grain_file.c_str(), &error_)); |
| EXPECT_EQ(0, remove(grain_file.c_str())); |
| } |
| |
| TEST_F(FilmGrainTableIOTest, RoundTripReadWrite) { |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_t expected_grain[16]; |
| const int kNumTestVectors = |
| sizeof(film_grain_test_vectors) / sizeof(film_grain_test_vectors[0]); |
| for (int i = 0; i < kNumTestVectors; ++i) { |
| expected_grain[i] = film_grain_test_vectors[i]; |
| expected_grain[i].random_seed = i; |
| expected_grain[i].update_parameters = i % 2; |
| expected_grain[i].apply_grain = (i + 1) % 2; |
| expected_grain[i].bit_depth = 0; |
| aom_film_grain_table_append(&table, i * 1000, (i + 1) * 1000, |
| expected_grain + i); |
| } |
| std::string grain_file; |
| FILE *tmpfile = libaom_test::GetTempOutFile(&grain_file); |
| ASSERT_NE(tmpfile, nullptr); |
| fclose(tmpfile); |
| ASSERT_EQ(AOM_CODEC_OK, |
| aom_film_grain_table_write(&table, grain_file.c_str(), &error_)); |
| aom_film_grain_table_free(&table); |
| |
| memset(&table, 0, sizeof(table)); |
| ASSERT_EQ(AOM_CODEC_OK, |
| aom_film_grain_table_read(&table, grain_file.c_str(), &error_)); |
| for (int i = 0; i < kNumTestVectors; ++i) { |
| aom_film_grain_t grain; |
| EXPECT_TRUE(aom_film_grain_table_lookup(&table, i * 1000, (i + 1) * 1000, |
| true, &grain)); |
| grain_equal(expected_grain + i, &grain); |
| } |
| aom_film_grain_table_free(&table); |
| EXPECT_EQ(0, remove(grain_file.c_str())); |
| } |
| |
| TEST_F(FilmGrainTableIOTest, RoundTripSplit) { |
| std::string grain_file; |
| FILE *tmpfile = libaom_test::GetTempOutFile(&grain_file); |
| ASSERT_NE(tmpfile, nullptr); |
| fclose(tmpfile); |
| |
| aom_film_grain_table_t table; |
| memset(&table, 0, sizeof(table)); |
| |
| aom_film_grain_t grain = film_grain_test_vectors[0]; |
| aom_film_grain_table_append(&table, 0, 3000, &grain); |
| ASSERT_TRUE(aom_film_grain_table_lookup(&table, 1000, 2000, true, &grain)); |
| ASSERT_TRUE(aom_film_grain_table_lookup(&table, 0, 1000, false, &grain)); |
| EXPECT_FALSE(aom_film_grain_table_lookup(&table, 1000, 2000, false, &grain)); |
| ASSERT_TRUE(aom_film_grain_table_lookup(&table, 2000, 3000, false, &grain)); |
| ASSERT_EQ(AOM_CODEC_OK, |
| aom_film_grain_table_write(&table, grain_file.c_str(), &error_)); |
| aom_film_grain_table_free(&table); |
| |
| memset(&table, 0, sizeof(table)); |
| ASSERT_EQ(AOM_CODEC_OK, |
| aom_film_grain_table_read(&table, grain_file.c_str(), &error_)); |
| ASSERT_TRUE(aom_film_grain_table_lookup(&table, 0, 1000, false, &grain)); |
| ASSERT_FALSE(aom_film_grain_table_lookup(&table, 1000, 2000, false, &grain)); |
| ASSERT_TRUE(aom_film_grain_table_lookup(&table, 2000, 3000, false, &grain)); |
| aom_film_grain_table_free(&table); |
| |
| EXPECT_EQ(0, remove(grain_file.c_str())); |
| } |