/*
* 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 "gtest/gtest.h"
#include "config/aom_config.h"
#include "test/acm_random.h"
#include "aom/aom_integer.h"
#include "aom_dsp/bitreader.h"
#include "aom_dsp/bitwriter.h"
#include "aom_dsp/binary_codes_reader.h"
#include "aom_dsp/binary_codes_writer.h"
#define ACCT_STR __func__
using libaom_test::ACMRandom;
namespace {
// Test for Finite subexponential code with reference
TEST(AV1, TestPrimitiveRefsubexpfin) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int kBufferSize = 65536 ;
aom_writer bw;
uint8_t bw_buffer[kBufferSize];
const uint16_t kRanges = 8 ;
const uint16_t kSubexpParams = 6 ;
const uint16_t kReferences = 8 ;
const uint16_t kValues = 16 ;
uint16_t enc_values[kRanges][kSubexpParams][kReferences][kValues][4 ];
const uint16_t range_vals[kRanges] = { 1 , 13 , 64 , 120 , 230 , 420 , 1100 , 8000 };
aom_start_encode(&bw, bw_buffer);
for (int n = 0 ; n < kRanges; ++n) {
const uint16_t range = range_vals[n];
for (int k = 0 ; k < kSubexpParams; ++k) {
for (int r = 0 ; r < kReferences; ++r) {
const uint16_t ref = rnd(range);
for (int v = 0 ; v < kValues; ++v) {
const uint16_t value = rnd(range);
enc_values[n][k][r][v][0 ] = range;
enc_values[n][k][r][v][1 ] = k;
enc_values[n][k][r][v][2 ] = ref;
enc_values[n][k][r][v][3 ] = value;
aom_write_primitive_refsubexpfin(&bw, range, k, ref, value);
}
}
}
}
GTEST_ASSERT_GE(aom_stop_encode(&bw), 0 );
aom_reader br;
aom_reader_init(&br, bw_buffer, bw.pos);
GTEST_ASSERT_GE(aom_reader_tell(&br), 0 u);
GTEST_ASSERT_LE(aom_reader_tell(&br), 1 u);
for (int n = 0 ; n < kRanges; ++n) {
for (int k = 0 ; k < kSubexpParams; ++k) {
for (int r = 0 ; r < kReferences; ++r) {
for (int v = 0 ; v < kValues; ++v) {
const uint16_t range = enc_values[n][k][r][v][0 ];
assert(k == enc_values[n][k][r][v][1 ]);
const uint16_t ref = enc_values[n][k][r][v][2 ];
const uint16_t value =
aom_read_primitive_refsubexpfin(&br, range, k, ref, ACCT_STR);
GTEST_ASSERT_EQ(value, enc_values[n][k][r][v][3 ]);
}
}
}
}
}
// TODO(debargha): Adds tests for other primitives
} // namespace
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