ref: 6d90a9d28979f06ec7373c4de2a2a39181bea721
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 "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "./vpx_config.h"
#include "./vp8_rtcd.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 void (*VP8QuantizePair)(BLOCK *b0, BLOCK *b1, BLOCKD *d0, BLOCKD *d1);
typedef std::tr1::tuple<VP8Quantize, VP8Quantize> VP8QuantizeParam;
typedef std::tr1::tuple<VP8QuantizePair, VP8QuantizePair> VP8QuantizePairParam;
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 *const vp8_config =
reinterpret_cast<VP8_CONFIG *>(vpx_calloc(sizeof(*vp8_config), 1));
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_calloc(sizeof(*macroblockd_dst_), 1));
vpx_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);
vpx_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_;
};
class QuantizeTestPair : public QuantizeTestBase,
public ::testing::TestWithParam<VP8QuantizePairParam> {
protected:
virtual void SetUp() {
SetupCompressor();
asm_quant_pair_ = GET_PARAM(0);
c_quant_pair_ = GET_PARAM(1);
}
void RunComparison() {
// Skip the last, unpaired, block.
for (int i = 0; i < kNumBlocks - 1; i += 2) {
ASM_REGISTER_STATE_CHECK(c_quant_pair_(
&vp8_comp_->mb.block[i], &vp8_comp_->mb.block[i + 1],
&vp8_comp_->mb.e_mbd.block[i], &vp8_comp_->mb.e_mbd.block[i + 1]));
ASM_REGISTER_STATE_CHECK(asm_quant_pair_(
&vp8_comp_->mb.block[i], &vp8_comp_->mb.block[i + 1],
¯oblockd_dst_->block[i], ¯oblockd_dst_->block[i + 1]));
}
CheckOutput();
}
private:
VP8QuantizePair asm_quant_pair_;
VP8QuantizePair c_quant_pair_;
};
TEST_P(QuantizeTest, TestZeroInput) {
FillCoeffConstant(0);
RunComparison();
}
TEST_P(QuantizeTest, TestRandomInput) {
FillCoeffRandom();
RunComparison();
}
TEST_P(QuantizeTest, TestMultipleQ) {
for (int q = 0; q < QINDEX_RANGE; ++q) {
UpdateQuantizer(q);
FillCoeffRandom();
RunComparison();
}
}
TEST_P(QuantizeTestPair, TestZeroInput) {
FillCoeffConstant(0);
RunComparison();
}
TEST_P(QuantizeTestPair, TestRandomInput) {
FillCoeffRandom();
RunComparison();
}
TEST_P(QuantizeTestPair, 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_MEDIA
INSTANTIATE_TEST_CASE_P(MEDIA, QuantizeTest,
::testing::Values(make_tuple(vp8_fast_quantize_b_armv6,
vp8_fast_quantize_b_c)));
#endif // HAVE_MEDIA
#if HAVE_NEON_ASM
INSTANTIATE_TEST_CASE_P(NEON, QuantizeTest,
::testing::Values(make_tuple(vp8_fast_quantize_b_neon,
vp8_fast_quantize_b_c)));
INSTANTIATE_TEST_CASE_P(
NEON, QuantizeTestPair,
::testing::Values(make_tuple(vp8_fast_quantize_b_pair_neon,
vp8_fast_quantize_b_pair_c)));
#endif // HAVE_NEON_ASM
} // namespace