ref: 23532eb7b6c2b5c8fa1665b4071fb3821d9a4008
dir: /test/quantize_test.cc/
/*
* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <string.h>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vpx_config.h"
#include "./vp8_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vp8/common/blockd.h"
#include "vp8/common/onyx.h"
#include "vp8/encoder/block.h"
#include "vp8/encoder/onyx_int.h"
#include "vp8/encoder/quantize.h"
#include "vpx/vpx_integer.h"
#include "vpx_mem/vpx_mem.h"
namespace {
const int kNumBlocks = 25;
const int kNumBlockEntries = 16;
typedef void (*VP8Quantize)(BLOCK *b, BLOCKD *d);
typedef std::tr1::tuple<VP8Quantize, VP8Quantize> VP8QuantizeParam;
using libvpx_test::ACMRandom;
using std::tr1::make_tuple;
// Create and populate a VP8_COMP instance which has a complete set of
// quantization inputs as well as a second MACROBLOCKD for output.
class QuantizeTestBase {
public:
virtual ~QuantizeTestBase() {
vp8_remove_compressor(&vp8_comp_);
vp8_comp_ = NULL;
vpx_free(macroblockd_dst_);
macroblockd_dst_ = NULL;
libvpx_test::ClearSystemState();
}
protected:
void SetupCompressor() {
rnd_.Reset(ACMRandom::DeterministicSeed());
// The full configuration is necessary to generate the quantization tables.
VP8_CONFIG vp8_config;
memset(&vp8_config, 0, sizeof(vp8_config));
vp8_comp_ = vp8_create_compressor(&vp8_config);
// Set the tables based on a quantizer of 0.
vp8_set_quantizer(vp8_comp_, 0);
// Set up all the block/blockd pointers for the mb in vp8_comp_.
vp8cx_frame_init_quantizer(vp8_comp_);
// Copy macroblockd from the reference to get pre-set-up dequant values.
macroblockd_dst_ = reinterpret_cast<MACROBLOCKD *>(
vpx_memalign(32, sizeof(*macroblockd_dst_)));
memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_));
// Fix block pointers - currently they point to the blocks in the reference
// structure.
vp8_setup_block_dptrs(macroblockd_dst_);
}
void UpdateQuantizer(int q) {
vp8_set_quantizer(vp8_comp_, q);
memcpy(macroblockd_dst_, &vp8_comp_->mb.e_mbd, sizeof(*macroblockd_dst_));
vp8_setup_block_dptrs(macroblockd_dst_);
}
void FillCoeffConstant(int16_t c) {
for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) {
vp8_comp_->mb.coeff[i] = c;
}
}
void FillCoeffRandom() {
for (int i = 0; i < kNumBlocks * kNumBlockEntries; ++i) {
vp8_comp_->mb.coeff[i] = rnd_.Rand8();
}
}
void CheckOutput() {
EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.qcoeff, macroblockd_dst_->qcoeff,
sizeof(*macroblockd_dst_->qcoeff) * kNumBlocks *
kNumBlockEntries))
<< "qcoeff mismatch";
EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.dqcoeff, macroblockd_dst_->dqcoeff,
sizeof(*macroblockd_dst_->dqcoeff) * kNumBlocks *
kNumBlockEntries))
<< "dqcoeff mismatch";
EXPECT_EQ(0, memcmp(vp8_comp_->mb.e_mbd.eobs, macroblockd_dst_->eobs,
sizeof(*macroblockd_dst_->eobs) * kNumBlocks))
<< "eobs mismatch";
}
VP8_COMP *vp8_comp_;
MACROBLOCKD *macroblockd_dst_;
private:
ACMRandom rnd_;
};
class QuantizeTest : public QuantizeTestBase,
public ::testing::TestWithParam<VP8QuantizeParam> {
protected:
virtual void SetUp() {
SetupCompressor();
asm_quant_ = GET_PARAM(0);
c_quant_ = GET_PARAM(1);
}
void RunComparison() {
for (int i = 0; i < kNumBlocks; ++i) {
ASM_REGISTER_STATE_CHECK(
c_quant_(&vp8_comp_->mb.block[i], &vp8_comp_->mb.e_mbd.block[i]));
ASM_REGISTER_STATE_CHECK(
asm_quant_(&vp8_comp_->mb.block[i], ¯oblockd_dst_->block[i]));
}
CheckOutput();
}
private:
VP8Quantize asm_quant_;
VP8Quantize c_quant_;
};
TEST_P(QuantizeTest, TestZeroInput) {
FillCoeffConstant(0);
RunComparison();
}
TEST_P(QuantizeTest, TestLargeNegativeInput) {
FillCoeffConstant(0);
// Generate a qcoeff which contains 512/-512 (0x0100/0xFE00) to catch issues
// like BUG=883 where the constant being compared was incorrectly initialized.
vp8_comp_->mb.coeff[0] = -8191;
RunComparison();
}
TEST_P(QuantizeTest, TestRandomInput) {
FillCoeffRandom();
RunComparison();
}
TEST_P(QuantizeTest, TestMultipleQ) {
for (int q = 0; q < QINDEX_RANGE; ++q) {
UpdateQuantizer(q);
FillCoeffRandom();
RunComparison();
}
}
#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(
SSE2, QuantizeTest,
::testing::Values(
make_tuple(&vp8_fast_quantize_b_sse2, &vp8_fast_quantize_b_c),
make_tuple(&vp8_regular_quantize_b_sse2, &vp8_regular_quantize_b_c)));
#endif // HAVE_SSE2
#if HAVE_SSSE3
INSTANTIATE_TEST_CASE_P(SSSE3, QuantizeTest,
::testing::Values(make_tuple(&vp8_fast_quantize_b_ssse3,
&vp8_fast_quantize_b_c)));
#endif // HAVE_SSSE3
#if HAVE_SSE4_1
INSTANTIATE_TEST_CASE_P(
SSE4_1, QuantizeTest,
::testing::Values(make_tuple(&vp8_regular_quantize_b_sse4_1,
&vp8_regular_quantize_b_c)));
#endif // HAVE_SSE4_1
#if HAVE_NEON
INSTANTIATE_TEST_CASE_P(NEON, QuantizeTest,
::testing::Values(make_tuple(&vp8_fast_quantize_b_neon,
&vp8_fast_quantize_b_c)));
#endif // HAVE_NEON
#if HAVE_MSA
INSTANTIATE_TEST_CASE_P(
MSA, QuantizeTest,
::testing::Values(
make_tuple(&vp8_fast_quantize_b_msa, &vp8_fast_quantize_b_c),
make_tuple(&vp8_regular_quantize_b_msa, &vp8_regular_quantize_b_c)));
#endif // HAVE_MSA
} // namespace