From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/test/accounting_test.cc | 78 +++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 third_party/aom/test/accounting_test.cc (limited to 'third_party/aom/test/accounting_test.cc') diff --git a/third_party/aom/test/accounting_test.cc b/third_party/aom/test/accounting_test.cc new file mode 100644 index 000000000..e8387d0dc --- /dev/null +++ b/third_party/aom/test/accounting_test.cc @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2016, 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 +#include +#include + +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" + +#include "test/acm_random.h" +#include "aom/aom_integer.h" +#include "aom_dsp/bitreader.h" +#include "aom_dsp/bitwriter.h" + +using libaom_test::ACMRandom; + +TEST(AV1, TestAccounting) { + const int kBufferSize = 10000; + const int kSymbols = 1024; + aom_writer bw; + uint8_t bw_buffer[kBufferSize]; + aom_start_encode(&bw, bw_buffer); + for (int i = 0; i < kSymbols; i++) { + aom_write(&bw, 0, 32); + aom_write(&bw, 0, 32); + aom_write(&bw, 0, 32); + } + aom_stop_encode(&bw); + aom_reader br; +#if CONFIG_ANS && ANS_MAX_SYMBOLS + br.window_size = 1 << 16; +#endif + aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL); + + Accounting accounting; + aom_accounting_init(&accounting); + br.accounting = &accounting; + for (int i = 0; i < kSymbols; i++) { + aom_read(&br, 32, "A"); + } + // Consecutive symbols that are the same are coalesced. + GTEST_ASSERT_EQ(accounting.syms.num_syms, 1); + GTEST_ASSERT_EQ(accounting.syms.syms[0].samples, (unsigned int)kSymbols); + + aom_accounting_reset(&accounting); + GTEST_ASSERT_EQ(accounting.syms.num_syms, 0); + + // Should record 2 * kSymbols accounting symbols. + aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL); + br.accounting = &accounting; + for (int i = 0; i < kSymbols; i++) { + aom_read(&br, 32, "A"); + aom_read(&br, 32, "B"); + aom_read(&br, 32, "B"); + } + GTEST_ASSERT_EQ(accounting.syms.num_syms, kSymbols * 2); + uint32_t tell_frac = aom_reader_tell_frac(&br); + for (int i = 0; i < accounting.syms.num_syms; i++) { + tell_frac -= accounting.syms.syms[i].bits; + } + GTEST_ASSERT_EQ(tell_frac, 0U); + + GTEST_ASSERT_EQ(aom_accounting_dictionary_lookup(&accounting, "A"), + aom_accounting_dictionary_lookup(&accounting, "A")); + + // Check for collisions. The current aom_accounting_hash function returns + // the same hash code for AB and BA. + GTEST_ASSERT_NE(aom_accounting_dictionary_lookup(&accounting, "AB"), + aom_accounting_dictionary_lookup(&accounting, "BA")); +} -- cgit v1.2.3 From bbcc64772580c8a979288791afa02d30bc476d2e Mon Sep 17 00:00:00 2001 From: trav90 Date: Fri, 19 Oct 2018 21:52:15 -0500 Subject: Update aom to v1.0.0 Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0. --- third_party/aom/test/accounting_test.cc | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'third_party/aom/test/accounting_test.cc') diff --git a/third_party/aom/test/accounting_test.cc b/third_party/aom/test/accounting_test.cc index e8387d0dc..8b5c8af13 100644 --- a/third_party/aom/test/accounting_test.cc +++ b/third_party/aom/test/accounting_test.cc @@ -7,7 +7,7 @@ * 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 #include @@ -35,10 +35,7 @@ TEST(AV1, TestAccounting) { } aom_stop_encode(&bw); aom_reader br; -#if CONFIG_ANS && ANS_MAX_SYMBOLS - br.window_size = 1 << 16; -#endif - aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL); + aom_reader_init(&br, bw_buffer, bw.pos); Accounting accounting; aom_accounting_init(&accounting); @@ -54,7 +51,7 @@ TEST(AV1, TestAccounting) { GTEST_ASSERT_EQ(accounting.syms.num_syms, 0); // Should record 2 * kSymbols accounting symbols. - aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL); + aom_reader_init(&br, bw_buffer, bw.pos); br.accounting = &accounting; for (int i = 0; i < kSymbols; i++) { aom_read(&br, 32, "A"); -- cgit v1.2.3