зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
4.7 KiB
C++
134 строки
4.7 KiB
C++
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
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#include "./aom_config.h"
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#include "test/acm_random.h"
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#include "aom/aom_integer.h"
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#include "aom_dsp/bitreader.h"
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#include "aom_dsp/bitwriter.h"
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#include "aom_dsp/binary_codes_reader.h"
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#include "aom_dsp/binary_codes_writer.h"
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#define ACCT_STR __func__
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using libaom_test::ACMRandom;
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namespace {
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// Test for Bilevel code with reference
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TEST(AV1, TestPrimitiveRefbilivel) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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const int kBufferSize = 65536;
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aom_writer bw;
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uint8_t bw_buffer[kBufferSize];
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const uint16_t kRanges = 8;
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const uint16_t kNearRanges = 8;
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const uint16_t kReferences = 8;
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const uint16_t kValues = 16;
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const uint16_t range_vals[kRanges] = { 1, 13, 64, 120, 230, 420, 1100, 8000 };
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uint16_t enc_values[kRanges][kNearRanges][kReferences][kValues][4];
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aom_start_encode(&bw, bw_buffer);
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for (int n = 0; n < kRanges; ++n) {
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const uint16_t range = range_vals[n];
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for (int p = 0; p < kNearRanges; ++p) {
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const uint16_t near_range = 1 + rnd(range);
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for (int r = 0; r < kReferences; ++r) {
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const uint16_t ref = rnd(range);
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for (int v = 0; v < kValues; ++v) {
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const uint16_t value = rnd(range);
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enc_values[n][p][r][v][0] = range;
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enc_values[n][p][r][v][1] = near_range;
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enc_values[n][p][r][v][2] = ref;
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enc_values[n][p][r][v][3] = value;
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aom_write_primitive_refbilevel(&bw, range, near_range, ref, value);
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}
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}
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}
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}
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aom_stop_encode(&bw);
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aom_reader br;
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aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL);
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GTEST_ASSERT_GE(aom_reader_tell(&br), 0u);
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GTEST_ASSERT_LE(aom_reader_tell(&br), 1u);
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for (int n = 0; n < kRanges; ++n) {
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for (int p = 0; p < kNearRanges; ++p) {
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for (int r = 0; r < kReferences; ++r) {
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for (int v = 0; v < kValues; ++v) {
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const uint16_t range = enc_values[n][p][r][v][0];
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const uint16_t near_range = enc_values[n][p][r][v][1];
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const uint16_t ref = enc_values[n][p][r][v][2];
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const uint16_t value = aom_read_primitive_refbilevel(
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&br, range, near_range, ref, ACCT_STR);
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GTEST_ASSERT_EQ(value, enc_values[n][p][r][v][3]);
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}
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}
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}
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}
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}
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// Test for Finite subexponential code with reference
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TEST(AV1, TestPrimitiveRefsubexpfin) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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const int kBufferSize = 65536;
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aom_writer bw;
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uint8_t bw_buffer[kBufferSize];
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const uint16_t kRanges = 8;
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const uint16_t kSubexpParams = 6;
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const uint16_t kReferences = 8;
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const uint16_t kValues = 16;
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uint16_t enc_values[kRanges][kSubexpParams][kReferences][kValues][4];
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const uint16_t range_vals[kRanges] = { 1, 13, 64, 120, 230, 420, 1100, 8000 };
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aom_start_encode(&bw, bw_buffer);
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for (int n = 0; n < kRanges; ++n) {
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const uint16_t range = range_vals[n];
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for (int k = 0; k < kSubexpParams; ++k) {
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for (int r = 0; r < kReferences; ++r) {
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const uint16_t ref = rnd(range);
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for (int v = 0; v < kValues; ++v) {
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const uint16_t value = rnd(range);
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enc_values[n][k][r][v][0] = range;
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enc_values[n][k][r][v][1] = k;
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enc_values[n][k][r][v][2] = ref;
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enc_values[n][k][r][v][3] = value;
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aom_write_primitive_refsubexpfin(&bw, range, k, ref, value);
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}
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}
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}
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}
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aom_stop_encode(&bw);
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aom_reader br;
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aom_reader_init(&br, bw_buffer, bw.pos, NULL, NULL);
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GTEST_ASSERT_GE(aom_reader_tell(&br), 0u);
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GTEST_ASSERT_LE(aom_reader_tell(&br), 1u);
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for (int n = 0; n < kRanges; ++n) {
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for (int k = 0; k < kSubexpParams; ++k) {
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for (int r = 0; r < kReferences; ++r) {
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for (int v = 0; v < kValues; ++v) {
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const uint16_t range = enc_values[n][k][r][v][0];
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assert(k == enc_values[n][k][r][v][1]);
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const uint16_t ref = enc_values[n][k][r][v][2];
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const uint16_t value =
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aom_read_primitive_refsubexpfin(&br, range, k, ref, ACCT_STR);
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GTEST_ASSERT_EQ(value, enc_values[n][k][r][v][3]);
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}
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}
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}
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}
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}
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// TODO(debargha): Adds tests for other primitives
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} // namespace
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