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