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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
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trav90
Roy Tam
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211
third_party/aom/test/av1_quantize_test.cc
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third_party/aom/test/av1_quantize_test.cc
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/*
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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 <stdlib.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 "./av1_rtcd.h"
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#include "test/acm_random.h"
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#include "test/clear_system_state.h"
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#include "test/register_state_check.h"
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#include "av1/common/scan.h"
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namespace {
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typedef void (*QuantizeFpFunc)(
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const tran_low_t *coeff_ptr, intptr_t count, int skip_block,
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const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr,
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const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
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tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
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const int16_t *scan, const int16_t *iscan, int log_scale);
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struct QuantizeFuncParams {
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QuantizeFuncParams(QuantizeFpFunc qF = NULL, QuantizeFpFunc qRefF = NULL,
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int count = 16)
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: qFunc(qF), qFuncRef(qRefF), coeffCount(count) {}
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QuantizeFpFunc qFunc;
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QuantizeFpFunc qFuncRef;
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int coeffCount;
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};
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using libaom_test::ACMRandom;
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const int numTests = 1000;
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const int maxSize = 1024;
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const int roundFactorRange = 127;
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const int dequantRange = 32768;
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const int coeffRange = (1 << 20) - 1;
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class AV1QuantizeTest : public ::testing::TestWithParam<QuantizeFuncParams> {
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public:
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void RunQuantizeTest() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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DECLARE_ALIGNED(16, tran_low_t, coeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, int16_t, zbin_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, round_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, quant_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, quant_shift_ptr[2]);
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DECLARE_ALIGNED(16, tran_low_t, qcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, dqcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, ref_qcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, ref_dqcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, int16_t, dequant_ptr[2]);
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uint16_t eob;
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uint16_t ref_eob;
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int err_count_total = 0;
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int first_failure = -1;
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int skip_block = 0;
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int count = params_.coeffCount;
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const TX_SIZE txSize = getTxSize(count);
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int log_scale = (txSize == TX_32X32);
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QuantizeFpFunc quanFunc = params_.qFunc;
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QuantizeFpFunc quanFuncRef = params_.qFuncRef;
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const SCAN_ORDER scanOrder = av1_default_scan_orders[txSize];
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for (int i = 0; i < numTests; i++) {
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int err_count = 0;
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ref_eob = eob = -1;
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for (int j = 0; j < count; j++) {
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coeff_ptr[j] = rnd(coeffRange);
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}
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for (int j = 0; j < 2; j++) {
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zbin_ptr[j] = rnd.Rand16();
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quant_shift_ptr[j] = rnd.Rand16();
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// int16_t positive
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dequant_ptr[j] = abs(rnd(dequantRange));
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quant_ptr[j] = (1 << 16) / dequant_ptr[j];
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round_ptr[j] = (abs(rnd(roundFactorRange)) * dequant_ptr[j]) >> 7;
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}
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quanFuncRef(coeff_ptr, count, skip_block, zbin_ptr, round_ptr, quant_ptr,
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quant_shift_ptr, ref_qcoeff_ptr, ref_dqcoeff_ptr, dequant_ptr,
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&ref_eob, scanOrder.scan, scanOrder.iscan, log_scale);
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ASM_REGISTER_STATE_CHECK(
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quanFunc(coeff_ptr, count, skip_block, zbin_ptr, round_ptr, quant_ptr,
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quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr, &eob,
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scanOrder.scan, scanOrder.iscan, log_scale));
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for (int j = 0; j < count; ++j) {
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err_count += (ref_qcoeff_ptr[j] != qcoeff_ptr[j]) |
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(ref_dqcoeff_ptr[j] != dqcoeff_ptr[j]);
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EXPECT_EQ(ref_qcoeff_ptr[j], qcoeff_ptr[j]) << "qcoeff error: i = " << i
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<< " j = " << j << "\n";
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EXPECT_EQ(ref_dqcoeff_ptr[j], dqcoeff_ptr[j])
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<< "dqcoeff error: i = " << i << " j = " << j << "\n";
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}
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EXPECT_EQ(ref_eob, eob) << "eob error: "
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<< "i = " << i << "\n";
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err_count += (ref_eob != eob);
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if (err_count && !err_count_total) {
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first_failure = i;
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}
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err_count_total += err_count;
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}
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EXPECT_EQ(0, err_count_total)
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<< "Error: Quantization Test, C output doesn't match SSE2 output. "
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<< "First failed at test case " << first_failure;
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}
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void RunEobTest() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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DECLARE_ALIGNED(16, tran_low_t, coeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, int16_t, zbin_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, round_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, quant_ptr[2]);
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DECLARE_ALIGNED(16, int16_t, quant_shift_ptr[2]);
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DECLARE_ALIGNED(16, tran_low_t, qcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, dqcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, ref_qcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, tran_low_t, ref_dqcoeff_ptr[maxSize]);
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DECLARE_ALIGNED(16, int16_t, dequant_ptr[2]);
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uint16_t eob;
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uint16_t ref_eob;
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int skip_block = 0;
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int count = params_.coeffCount;
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const TX_SIZE txSize = getTxSize(count);
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int log_scale = (txSize == TX_32X32);
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QuantizeFpFunc quanFunc = params_.qFunc;
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QuantizeFpFunc quanFuncRef = params_.qFuncRef;
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const SCAN_ORDER scanOrder = av1_default_scan_orders[txSize];
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for (int i = 0; i < numTests; i++) {
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ref_eob = eob = -1;
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for (int j = 0; j < count; j++) {
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coeff_ptr[j] = 0;
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}
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coeff_ptr[rnd(count)] = rnd(coeffRange);
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coeff_ptr[rnd(count)] = rnd(coeffRange);
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coeff_ptr[rnd(count)] = rnd(coeffRange);
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for (int j = 0; j < 2; j++) {
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zbin_ptr[j] = rnd.Rand16();
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quant_shift_ptr[j] = rnd.Rand16();
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// int16_t positive
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dequant_ptr[j] = abs(rnd(dequantRange));
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quant_ptr[j] = (1 << 16) / dequant_ptr[j];
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round_ptr[j] = (abs(rnd(roundFactorRange)) * dequant_ptr[j]) >> 7;
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}
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quanFuncRef(coeff_ptr, count, skip_block, zbin_ptr, round_ptr, quant_ptr,
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quant_shift_ptr, ref_qcoeff_ptr, ref_dqcoeff_ptr, dequant_ptr,
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&ref_eob, scanOrder.scan, scanOrder.iscan, log_scale);
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ASM_REGISTER_STATE_CHECK(
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quanFunc(coeff_ptr, count, skip_block, zbin_ptr, round_ptr, quant_ptr,
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quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr, &eob,
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scanOrder.scan, scanOrder.iscan, log_scale));
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EXPECT_EQ(ref_eob, eob) << "eob error: "
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<< "i = " << i << "\n";
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}
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}
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virtual void SetUp() { params_ = GetParam(); }
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virtual void TearDown() { libaom_test::ClearSystemState(); }
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virtual ~AV1QuantizeTest() {}
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private:
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TX_SIZE getTxSize(int count) {
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switch (count) {
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case 16: return TX_4X4;
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case 64: return TX_8X8;
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case 256: return TX_16X16;
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case 1024: return TX_32X32;
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default: return TX_4X4;
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}
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}
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QuantizeFuncParams params_;
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};
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TEST_P(AV1QuantizeTest, BitExactCheck) { RunQuantizeTest(); }
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TEST_P(AV1QuantizeTest, EobVerify) { RunEobTest(); }
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#if HAVE_SSE4_1
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#if !CONFIG_AOM_QM
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INSTANTIATE_TEST_CASE_P(
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SSE4_1, AV1QuantizeTest,
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::testing::Values(QuantizeFuncParams(&av1_highbd_quantize_fp_sse4_1,
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&av1_highbd_quantize_fp_c, 16),
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QuantizeFuncParams(&av1_highbd_quantize_fp_sse4_1,
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&av1_highbd_quantize_fp_c, 64),
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QuantizeFuncParams(&av1_highbd_quantize_fp_sse4_1,
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&av1_highbd_quantize_fp_c, 256),
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QuantizeFuncParams(&av1_highbd_quantize_fp_sse4_1,
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&av1_highbd_quantize_fp_c, 1024)));
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#endif // !CONFIG_AOM_QM
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#endif // HAVE_SSE4_1
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} // namespace
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