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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/aom/test/accounting_test.cc
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/third_party/aom/test/accounting_test.cc b/third_party/aom/test/accounting_test.cc
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+/*
+ * 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 <math.h>
+#include <stdlib.h>
+#include <string.h>
+
+#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;
+ aom_reader_init(&br, bw_buffer, bw.pos);
+
+ 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);
+ 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"));
+}