/*
* Copyright (c) 2022, 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 "av1/encoder/cost.h"
#include "av1/encoder/encodemv.h"
#include "gtest/gtest.h"
namespace {
void ReferenceBuildNmvComponentCostTable(int *mvcost,
const nmv_component *const mvcomp,
MvSubpelPrecision precision) {
int i, v;
int sign_cost[2 ], class_cost[MV_CLASSES], class0_cost[CLASS0_SIZE];
int bits_cost[MV_OFFSET_BITS][2 ];
int class0_fp_cost[CLASS0_SIZE][MV_FP_SIZE], fp_cost[MV_FP_SIZE];
int class0_hp_cost[2 ], hp_cost[2 ];
av1_cost_tokens_from_cdf(sign_cost, mvcomp->sign_cdf, nullptr);
av1_cost_tokens_from_cdf(class_cost, mvcomp->classes_cdf, nullptr);
av1_cost_tokens_from_cdf(class0_cost, mvcomp->class0_cdf, nullptr);
for (i = 0 ; i < MV_OFFSET_BITS; ++i) {
av1_cost_tokens_from_cdf(bits_cost[i], mvcomp->bits_cdf[i], nullptr);
}
for (i = 0 ; i < CLASS0_SIZE; ++i)
av1_cost_tokens_from_cdf(class0_fp_cost[i], mvcomp->class0_fp_cdf[i],
nullptr);
av1_cost_tokens_from_cdf(fp_cost, mvcomp->fp_cdf, nullptr);
if (precision > MV_SUBPEL_LOW_PRECISION) {
av1_cost_tokens_from_cdf(class0_hp_cost, mvcomp->class0_hp_cdf, nullptr);
av1_cost_tokens_from_cdf(hp_cost, mvcomp->hp_cdf, nullptr);
}
mvcost[0 ] = 0 ;
for (v = 1 ; v <= MV_MAX; ++v) {
int z, c, o, d, e, f, cost = 0 ;
z = v - 1 ;
c = av1_get_mv_class(z, &o);
cost += class_cost[c];
d = (o >> 3 ); /* int mv data */
f = (o >> 1 ) & 3 ; /* fractional pel mv data */
e = (o & 1 ); /* high precision mv data */
if (c == MV_CLASS_0) {
cost += class0_cost[d];
} else {
const int b = c + CLASS0_BITS - 1 ; /* number of bits */
for (i = 0 ; i < b; ++i) cost += bits_cost[i][((d >> i) & 1 )];
}
if (precision > MV_SUBPEL_NONE) {
if (c == MV_CLASS_0) {
cost += class0_fp_cost[d][f];
} else {
cost += fp_cost[f];
}
if (precision > MV_SUBPEL_LOW_PRECISION) {
if (c == MV_CLASS_0) {
cost += class0_hp_cost[e];
} else {
cost += hp_cost[e];
}
}
}
mvcost[v] = cost + sign_cost[0 ];
mvcost[-v] = cost + sign_cost[1 ];
}
}
// Test using the default context, except for sign
static const nmv_component kTestComponentContext = {
{ AOM_CDF11(28672 , 30976 , 31858 , 32320 , 32551 , 32656 , 32740 , 32757 , 32762 ,
32767 ) }, // class_cdf // fp
{ { AOM_CDF4(16384 , 24576 , 26624 ) },
{ AOM_CDF4(12288 , 21248 , 24128 ) } }, // class0_fp_cdf
{ AOM_CDF4(8192 , 17408 , 21248 ) }, // fp_cdf
{ AOM_CDF2(70 * 128 ) }, // sign_cdf
{ AOM_CDF2(160 * 128 ) }, // class0_hp_cdf
{ AOM_CDF2(128 * 128 ) }, // hp_cdf
{ AOM_CDF2(216 * 128 ) }, // class0_cdf
{ { AOM_CDF2(128 * 136 ) },
{ AOM_CDF2(128 * 140 ) },
{ AOM_CDF2(128 * 148 ) },
{ AOM_CDF2(128 * 160 ) },
{ AOM_CDF2(128 * 176 ) },
{ AOM_CDF2(128 * 192 ) },
{ AOM_CDF2(128 * 224 ) },
{ AOM_CDF2(128 * 234 ) },
{ AOM_CDF2(128 * 234 ) },
{ AOM_CDF2(128 * 240 ) } }, // bits_cdf
};
void TestMvComponentCostTable(MvSubpelPrecision precision) {
std::unique_ptr<int []> mvcost_ref_buf(new int [MV_VALS]);
std::unique_ptr<int []> mvcost_buf(new int [MV_VALS]);
int *mvcost_ref = mvcost_ref_buf.get() + MV_MAX;
int *mvcost = mvcost_buf.get() + MV_MAX;
ReferenceBuildNmvComponentCostTable(mvcost_ref, &kTestComponentContext,
precision);
av1_build_nmv_component_cost_table(mvcost, &kTestComponentContext, precision);
for (int v = 0 ; v <= MV_MAX; ++v) {
ASSERT_EQ(mvcost_ref[v], mvcost[v]) << "v = " << v;
ASSERT_EQ(mvcost_ref[-v], mvcost[-v]) << "v = " << v;
}
}
TEST(MvCostTest, BuildMvComponentCostTableTest1) {
TestMvComponentCostTable(MV_SUBPEL_NONE);
}
TEST(MvCostTest, BuildMvComponentCostTableTest2) {
TestMvComponentCostTable(MV_SUBPEL_LOW_PRECISION);
}
TEST(MvCostTest, BuildMvComponentCostTableTest3) {
TestMvComponentCostTable(MV_SUBPEL_HIGH_PRECISION);
}
} // namespace
Messung V0.5 in Prozent C=95 H=85 G=90
¤ Dauer der Verarbeitung: 0.22 Sekunden
(vorverarbeitet am 2026-06-06)
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