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-rw-r--r--third_party/aom/test/quantize_func_test.cc425
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diff --git a/third_party/aom/test/quantize_func_test.cc b/third_party/aom/test/quantize_func_test.cc
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+++ b/third_party/aom/test/quantize_func_test.cc
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+/*
+ * Copyright (c) 2017, 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+#include "config/av1_rtcd.h"
+
+#include "aom/aom_codec.h"
+#include "aom_ports/aom_timer.h"
+#include "av1/encoder/encoder.h"
+#include "av1/common/scan.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "test/util.h"
+
+namespace {
+using libaom_test::ACMRandom;
+
+#define QUAN_PARAM_LIST \
+ const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr, \
+ const int16_t *round_ptr, const int16_t *quant_ptr, \
+ const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, \
+ tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, \
+ const int16_t *scan, const int16_t *iscan
+
+typedef void (*QuantizeFunc)(QUAN_PARAM_LIST);
+typedef void (*QuantizeFuncHbd)(QUAN_PARAM_LIST, int log_scale);
+
+#define HBD_QUAN_FUNC \
+ fn(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr, \
+ qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, log_scale)
+
+#define LBD_QUAN_FUNC \
+ fn(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr, \
+ qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan)
+
+template <QuantizeFuncHbd fn>
+void highbd_quan16x16_wrapper(QUAN_PARAM_LIST) {
+ const int log_scale = 0;
+ HBD_QUAN_FUNC;
+}
+
+template <QuantizeFuncHbd fn>
+void highbd_quan32x32_wrapper(QUAN_PARAM_LIST) {
+ const int log_scale = 1;
+ HBD_QUAN_FUNC;
+}
+
+template <QuantizeFuncHbd fn>
+void highbd_quan64x64_wrapper(QUAN_PARAM_LIST) {
+ const int log_scale = 2;
+ HBD_QUAN_FUNC;
+}
+
+typedef enum { TYPE_B, TYPE_DC, TYPE_FP } QuantType;
+
+using ::testing::tuple;
+typedef tuple<QuantizeFunc, QuantizeFunc, TX_SIZE, QuantType, aom_bit_depth_t>
+ QuantizeParam;
+
+typedef struct {
+ QUANTS quant;
+ Dequants dequant;
+} QuanTable;
+
+const int kTestNum = 1000;
+
+class QuantizeTest : public ::testing::TestWithParam<QuantizeParam> {
+ protected:
+ QuantizeTest()
+ : quant_ref_(GET_PARAM(0)), quant_(GET_PARAM(1)), tx_size_(GET_PARAM(2)),
+ type_(GET_PARAM(3)), bd_(GET_PARAM(4)) {}
+
+ virtual ~QuantizeTest() {}
+
+ virtual void SetUp() {
+ qtab_ = reinterpret_cast<QuanTable *>(aom_memalign(32, sizeof(*qtab_)));
+ const int n_coeffs = coeff_num();
+ coeff_ = reinterpret_cast<tran_low_t *>(
+ aom_memalign(32, 6 * n_coeffs * sizeof(tran_low_t)));
+ InitQuantizer();
+ }
+
+ virtual void TearDown() {
+ aom_free(qtab_);
+ qtab_ = NULL;
+ aom_free(coeff_);
+ coeff_ = NULL;
+ libaom_test::ClearSystemState();
+ }
+
+ void InitQuantizer() {
+ av1_build_quantizer(bd_, 0, 0, 0, 0, 0, &qtab_->quant, &qtab_->dequant);
+ }
+
+ void QuantizeRun(bool is_loop, int q = 0, int test_num = 1) {
+ tran_low_t *coeff_ptr = coeff_;
+ const intptr_t n_coeffs = coeff_num();
+
+ tran_low_t *qcoeff_ref = coeff_ptr + n_coeffs;
+ tran_low_t *dqcoeff_ref = qcoeff_ref + n_coeffs;
+
+ tran_low_t *qcoeff = dqcoeff_ref + n_coeffs;
+ tran_low_t *dqcoeff = qcoeff + n_coeffs;
+ uint16_t *eob = (uint16_t *)(dqcoeff + n_coeffs);
+
+ // Testing uses 2-D DCT scan order table
+ const SCAN_ORDER *const sc = get_default_scan(tx_size_, DCT_DCT);
+
+ // Testing uses luminance quantization table
+ const int16_t *zbin = qtab_->quant.y_zbin[q];
+
+ const int16_t *round = 0;
+ const int16_t *quant = 0;
+ if (type_ == TYPE_B) {
+ round = qtab_->quant.y_round[q];
+ quant = qtab_->quant.y_quant[q];
+ } else if (type_ == TYPE_FP) {
+ round = qtab_->quant.y_round_fp[q];
+ quant = qtab_->quant.y_quant_fp[q];
+ }
+
+ const int16_t *quant_shift = qtab_->quant.y_quant_shift[q];
+ const int16_t *dequant = qtab_->dequant.y_dequant_QTX[q];
+
+ for (int i = 0; i < test_num; ++i) {
+ if (is_loop) FillCoeffRandom();
+
+ memset(qcoeff_ref, 0, 5 * n_coeffs * sizeof(*qcoeff_ref));
+
+ quant_ref_(coeff_ptr, n_coeffs, zbin, round, quant, quant_shift,
+ qcoeff_ref, dqcoeff_ref, dequant, &eob[0], sc->scan,
+ sc->iscan);
+
+ ASM_REGISTER_STATE_CHECK(quant_(coeff_ptr, n_coeffs, zbin, round, quant,
+ quant_shift, qcoeff, dqcoeff, dequant,
+ &eob[1], sc->scan, sc->iscan));
+
+ for (int j = 0; j < n_coeffs; ++j) {
+ ASSERT_EQ(qcoeff_ref[j], qcoeff[j])
+ << "Q mismatch on test: " << i << " at position: " << j
+ << " Q: " << q << " coeff: " << coeff_ptr[j];
+ }
+
+ for (int j = 0; j < n_coeffs; ++j) {
+ ASSERT_EQ(dqcoeff_ref[j], dqcoeff[j])
+ << "Dq mismatch on test: " << i << " at position: " << j
+ << " Q: " << q << " coeff: " << coeff_ptr[j];
+ }
+
+ ASSERT_EQ(eob[0], eob[1])
+ << "eobs mismatch on test: " << i << " Q: " << q;
+ }
+ }
+
+ void CompareResults(const tran_low_t *buf_ref, const tran_low_t *buf,
+ int size, const char *text, int q, int number) {
+ int i;
+ for (i = 0; i < size; ++i) {
+ ASSERT_EQ(buf_ref[i], buf[i]) << text << " mismatch on test: " << number
+ << " at position: " << i << " Q: " << q;
+ }
+ }
+
+ int coeff_num() const { return av1_get_max_eob(tx_size_); }
+
+ void FillCoeff(tran_low_t c) {
+ const int n_coeffs = coeff_num();
+ for (int i = 0; i < n_coeffs; ++i) {
+ coeff_[i] = c;
+ }
+ }
+
+ void FillCoeffRandom() {
+ const int n_coeffs = coeff_num();
+ FillCoeffZero();
+ int num = rnd_.Rand16() % n_coeffs;
+ for (int i = 0; i < num; ++i) {
+ coeff_[i] = GetRandomCoeff();
+ }
+ }
+
+ void FillCoeffZero() { FillCoeff(0); }
+
+ void FillCoeffConstant() {
+ tran_low_t c = GetRandomCoeff();
+ FillCoeff(c);
+ }
+
+ void FillDcOnly() {
+ FillCoeffZero();
+ coeff_[0] = GetRandomCoeff();
+ }
+
+ void FillDcLargeNegative() {
+ FillCoeffZero();
+ // Generate a qcoeff which contains 512/-512 (0x0100/0xFE00) to catch issues
+ // like BUG=883 where the constant being compared was incorrectly
+ // initialized.
+ coeff_[0] = -8191;
+ }
+
+ tran_low_t GetRandomCoeff() {
+ tran_low_t coeff;
+ if (bd_ == AOM_BITS_8) {
+ coeff =
+ clamp(static_cast<int16_t>(rnd_.Rand16()), INT16_MIN + 1, INT16_MAX);
+ } else {
+ tran_low_t min = -(1 << (7 + bd_));
+ tran_low_t max = -min - 1;
+ coeff = clamp(static_cast<tran_low_t>(rnd_.Rand31()), min, max);
+ }
+ return coeff;
+ }
+
+ ACMRandom rnd_;
+ QuanTable *qtab_;
+ tran_low_t *coeff_;
+ QuantizeFunc quant_ref_;
+ QuantizeFunc quant_;
+ TX_SIZE tx_size_;
+ QuantType type_;
+ aom_bit_depth_t bd_;
+};
+
+TEST_P(QuantizeTest, ZeroInput) {
+ FillCoeffZero();
+ QuantizeRun(false);
+}
+
+TEST_P(QuantizeTest, LargeNegativeInput) {
+ FillDcLargeNegative();
+ QuantizeRun(false, 0, 1);
+}
+
+TEST_P(QuantizeTest, DcOnlyInput) {
+ FillDcOnly();
+ QuantizeRun(false, 0, 1);
+}
+
+TEST_P(QuantizeTest, RandomInput) { QuantizeRun(true, 0, kTestNum); }
+
+TEST_P(QuantizeTest, MultipleQ) {
+ for (int q = 0; q < QINDEX_RANGE; ++q) {
+ QuantizeRun(true, q, kTestNum);
+ }
+}
+
+// Force the coeff to be half the value of the dequant. This exposes a
+// mismatch found in av1_quantize_fp_sse2().
+TEST_P(QuantizeTest, CoeffHalfDequant) {
+ FillCoeff(16);
+ QuantizeRun(false, 25, 1);
+}
+
+TEST_P(QuantizeTest, DISABLED_Speed) {
+ tran_low_t *coeff_ptr = coeff_;
+ const intptr_t n_coeffs = coeff_num();
+
+ tran_low_t *qcoeff_ref = coeff_ptr + n_coeffs;
+ tran_low_t *dqcoeff_ref = qcoeff_ref + n_coeffs;
+
+ tran_low_t *qcoeff = dqcoeff_ref + n_coeffs;
+ tran_low_t *dqcoeff = qcoeff + n_coeffs;
+ uint16_t *eob = (uint16_t *)(dqcoeff + n_coeffs);
+
+ // Testing uses 2-D DCT scan order table
+ const SCAN_ORDER *const sc = get_default_scan(tx_size_, DCT_DCT);
+
+ // Testing uses luminance quantization table
+ const int q = 22;
+ const int16_t *zbin = qtab_->quant.y_zbin[q];
+ const int16_t *round_fp = qtab_->quant.y_round_fp[q];
+ const int16_t *quant_fp = qtab_->quant.y_quant_fp[q];
+ const int16_t *quant_shift = qtab_->quant.y_quant_shift[q];
+ const int16_t *dequant = qtab_->dequant.y_dequant_QTX[q];
+ const int kNumTests = 5000000;
+ aom_usec_timer timer;
+
+ FillCoeffRandom();
+
+ aom_usec_timer_start(&timer);
+ for (int n = 0; n < kNumTests; ++n) {
+ quant_(coeff_ptr, n_coeffs, zbin, round_fp, quant_fp, quant_shift, qcoeff,
+ dqcoeff, dequant, eob, sc->scan, sc->iscan);
+ }
+ aom_usec_timer_mark(&timer);
+
+ const int elapsed_time = static_cast<int>(aom_usec_timer_elapsed(&timer));
+ printf("Elapsed time: %d us\n", elapsed_time);
+}
+
+using ::testing::make_tuple;
+
+#if HAVE_AVX2
+const QuantizeParam kQParamArrayAvx2[] = {
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_16X16, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_4X16, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_16X4, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_32X8, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_8X32, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_32X32,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_16X64,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_64X16,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_64x64_c, &av1_quantize_fp_64x64_avx2, TX_64X64,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16,
+ TYPE_FP, AOM_BITS_10),
+ make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16,
+ TYPE_FP, AOM_BITS_12),
+ make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32,
+ TYPE_FP, AOM_BITS_10),
+ make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32,
+ TYPE_FP, AOM_BITS_12),
+ make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64,
+ TYPE_FP, AOM_BITS_8),
+ make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64,
+ TYPE_FP, AOM_BITS_10),
+ make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>,
+ &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64,
+ TYPE_FP, AOM_BITS_12),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16,
+ TYPE_B, AOM_BITS_8),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16,
+ TYPE_B, AOM_BITS_10),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16,
+ TYPE_B, AOM_BITS_12),
+};
+
+INSTANTIATE_TEST_CASE_P(AVX2, QuantizeTest,
+ ::testing::ValuesIn(kQParamArrayAvx2));
+#endif // HAVE_AVX2
+
+#if HAVE_SSE2
+const QuantizeParam kQParamArraySSE2[] = {
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_16X16, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_4X16, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_16X4, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_8X32, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_32X8, TYPE_FP,
+ AOM_BITS_8),
+ make_tuple(&aom_quantize_b_c, &aom_quantize_b_sse2, TX_16X16, TYPE_B,
+ AOM_BITS_8),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16,
+ TYPE_B, AOM_BITS_8),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16,
+ TYPE_B, AOM_BITS_10),
+ make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16,
+ TYPE_B, AOM_BITS_12),
+ make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2,
+ TX_32X32, TYPE_B, AOM_BITS_8),
+ make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2,
+ TX_32X32, TYPE_B, AOM_BITS_10),
+ make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2,
+ TX_32X32, TYPE_B, AOM_BITS_12),
+};
+
+INSTANTIATE_TEST_CASE_P(SSE2, QuantizeTest,
+ ::testing::ValuesIn(kQParamArraySSE2));
+#endif
+
+#if HAVE_SSSE3 && ARCH_X86_64
+INSTANTIATE_TEST_CASE_P(
+ SSSE3, QuantizeTest,
+ ::testing::Values(make_tuple(&aom_quantize_b_c, &aom_quantize_b_ssse3,
+ TX_16X16, TYPE_B, AOM_BITS_8)));
+
+// Like libvpx, the ssse3 and avx quantize tests do not pass.
+// https://bugs.chromium.org/p/webm/issues/detail?id=1448
+INSTANTIATE_TEST_CASE_P(
+ DISABLED_SSSE3_32x32, QuantizeTest,
+ ::testing::Values(make_tuple(&aom_quantize_b_32x32_c,
+ &aom_quantize_b_32x32_ssse3, TX_16X16, TYPE_B,
+ AOM_BITS_8)));
+
+#endif // HAVE_SSSE3 && ARCH_X86_64
+
+#if HAVE_AVX && ARCH_X86_64
+INSTANTIATE_TEST_CASE_P(
+ AVX, QuantizeTest,
+ ::testing::Values(
+ make_tuple(&aom_quantize_b_c, &aom_quantize_b_avx, TX_16X16, TYPE_B,
+ AOM_BITS_8),
+ // Although these tests will not pass against _c, test them against each
+ // other so there is some minor checking.
+ make_tuple(&aom_quantize_b_32x32_ssse3, &aom_quantize_b_32x32_avx,
+ TX_32X32, TYPE_B, AOM_BITS_8)));
+
+#endif // HAVE_AVX && ARCH_X86_64
+} // namespace
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