/*
* Copyright ( c ) 2021 , 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 <vector>
#include "av1/common/quant_common.h"
#include "av1/encoder/rd.h"
#include "aom/aom_codec.h"
#include "gtest/gtest.h"
namespace {
TEST(RdTest, GetDeltaqOffsetValueTest1) {
aom_bit_depth_t bit_depth = AOM_BITS_8;
double beta = 4 ;
int q_index = 29 ;
int dc_q_step =
av1_dc_quant_QTX(q_index, 0 , static_cast <aom_bit_depth_t>(bit_depth));
EXPECT_EQ(dc_q_step, 32 );
int ref_new_dc_q_step = static_cast <int >(round(dc_q_step / sqrt(beta)));
EXPECT_EQ(ref_new_dc_q_step, 16 );
int delta_q = av1_get_deltaq_offset(bit_depth, q_index, beta);
int new_dc_q_step = av1_dc_quant_QTX(q_index, delta_q,
static_cast <aom_bit_depth_t>(bit_depth));
EXPECT_EQ(new_dc_q_step, ref_new_dc_q_step);
}
TEST(RdTest, GetDeltaqOffsetValueTest2) {
aom_bit_depth_t bit_depth = AOM_BITS_8;
double beta = 1 .0 / 4 .0 ;
int q_index = 29 ;
int dc_q_step =
av1_dc_quant_QTX(q_index, 0 , static_cast <aom_bit_depth_t>(bit_depth));
EXPECT_EQ(dc_q_step, 32 );
int ref_new_dc_q_step = static_cast <int >(round(dc_q_step / sqrt(beta)));
EXPECT_EQ(ref_new_dc_q_step, 64 );
int delta_q = av1_get_deltaq_offset(bit_depth, q_index, beta);
int new_dc_q_step = av1_dc_quant_QTX(q_index, delta_q,
static_cast <aom_bit_depth_t>(bit_depth));
EXPECT_EQ(new_dc_q_step, ref_new_dc_q_step);
}
TEST(RdTest, GetDeltaqOffsetBoundaryTest1) {
aom_bit_depth_t bit_depth = AOM_BITS_8;
double beta = 0 .000000001 ;
std::vector<int > q_index_ls = { 254 , 255 };
for (auto q_index : q_index_ls) {
int delta_q = av1_get_deltaq_offset(bit_depth, q_index, beta);
EXPECT_EQ(q_index + delta_q, 255 );
}
}
TEST(RdTest, GetDeltaqOffsetBoundaryTest2) {
aom_bit_depth_t bit_depth = AOM_BITS_8;
double beta = 100 ;
std::vector<int > q_index_ls = { 1 , 0 };
for (auto q_index : q_index_ls) {
int delta_q = av1_get_deltaq_offset(bit_depth, q_index, beta);
EXPECT_EQ(q_index + delta_q, 0 );
}
}
TEST(RdTest, GetDeltaqOffsetUnitaryTest1) {
aom_bit_depth_t bit_depth = AOM_BITS_8;
double beta = 1 ;
for (int q_index = 0 ; q_index < 255 ; ++q_index) {
int delta_q = av1_get_deltaq_offset(bit_depth, q_index, beta);
EXPECT_EQ(delta_q, 0 );
}
}
} // namespace
Messung V0.5 in Prozent C=98 H=83 G=90
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
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