115 строки
3.4 KiB
C++
115 строки
3.4 KiB
C++
/*
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* Copyright (c) 2012 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 "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "test/register_state_check.h"
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extern "C" {
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#include "vpx_config.h"
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#include "vp8_rtcd.h"
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#include "vp8/common/blockd.h"
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#include "vp8/encoder/block.h"
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#include "vpx_mem/vpx_mem.h"
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}
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typedef void (*subtract_b_fn_t)(BLOCK *be, BLOCKD *bd, int pitch);
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namespace {
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class SubtractBlockTest : public ::testing::TestWithParam<subtract_b_fn_t> {};
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using libvpx_test::ACMRandom;
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TEST_P(SubtractBlockTest, SimpleSubtract) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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BLOCK be;
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BLOCKD bd;
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// in libvpx, this stride is always 16
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const int kDiffPredStride = 16;
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const int kSrcStride[] = {32, 16, 8, 4, 0};
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const int kBlockWidth = 4;
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const int kBlockHeight = 4;
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// Allocate... align to 16 for mmx/sse tests
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uint8_t *source = reinterpret_cast<uint8_t*>(
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vpx_memalign(16, kBlockHeight * kSrcStride[0] * sizeof(*source)));
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be.src_diff = reinterpret_cast<int16_t*>(
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vpx_memalign(16, kBlockHeight * kDiffPredStride * sizeof(*be.src_diff)));
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bd.predictor = reinterpret_cast<unsigned char*>(
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vpx_memalign(16, kBlockHeight * kDiffPredStride * sizeof(*bd.predictor)));
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for(int i = 0; kSrcStride[i] > 0; ++i) {
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// start at block0
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be.src = 0;
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be.base_src = &source;
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be.src_stride = kSrcStride[i];
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// set difference
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int16_t *src_diff = be.src_diff;
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for (int r = 0; r < kBlockHeight; ++r) {
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for (int c = 0; c < kBlockWidth; ++c) {
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src_diff[c] = 0xa5a5;
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}
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src_diff += kDiffPredStride;
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}
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// set destination
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uint8_t *base_src = *be.base_src;
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for (int r = 0; r < kBlockHeight; ++r) {
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for (int c = 0; c < kBlockWidth; ++c) {
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base_src[c] = rnd.Rand8();
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}
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base_src += be.src_stride;
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}
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// set predictor
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uint8_t *predictor = bd.predictor;
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for (int r = 0; r < kBlockHeight; ++r) {
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for (int c = 0; c < kBlockWidth; ++c) {
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predictor[c] = rnd.Rand8();
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}
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predictor += kDiffPredStride;
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}
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REGISTER_STATE_CHECK(GetParam()(&be, &bd, kDiffPredStride));
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base_src = *be.base_src;
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src_diff = be.src_diff;
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predictor = bd.predictor;
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for (int r = 0; r < kBlockHeight; ++r) {
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for (int c = 0; c < kBlockWidth; ++c) {
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EXPECT_EQ(base_src[c], (src_diff[c] + predictor[c])) << "r = " << r
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<< ", c = " << c;
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}
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src_diff += kDiffPredStride;
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predictor += kDiffPredStride;
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base_src += be.src_stride;
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}
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}
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vpx_free(be.src_diff);
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vpx_free(source);
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vpx_free(bd.predictor);
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}
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INSTANTIATE_TEST_CASE_P(C, SubtractBlockTest,
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::testing::Values(vp8_subtract_b_c));
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#if HAVE_MMX
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INSTANTIATE_TEST_CASE_P(MMX, SubtractBlockTest,
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::testing::Values(vp8_subtract_b_mmx));
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#endif
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#if HAVE_SSE2
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INSTANTIATE_TEST_CASE_P(SSE2, SubtractBlockTest,
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::testing::Values(vp8_subtract_b_sse2));
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#endif
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} // namespace
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