ref: ca976db44d9248502281a073906fa5a809c97e11
dir: /test/vp9_subtract_test.cc/
/* * Copyright (c) 2012 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 "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" extern "C" { #include "./vpx_config.h" #include "./vp9_rtcd.h" #include "vp9/common/vp9_blockd.h" #include "vpx_mem/vpx_mem.h" } typedef void (*subtract_fn_t)(int rows, int cols, int16_t *diff_ptr, ptrdiff_t diff_stride, const uint8_t *src_ptr, ptrdiff_t src_stride, const uint8_t *pred_ptr, ptrdiff_t pred_stride); namespace vp9 { class VP9SubtractBlockTest : public ::testing::TestWithParam<subtract_fn_t> { public: virtual void TearDown() { libvpx_test::ClearSystemState(); } }; using libvpx_test::ACMRandom; TEST_P(VP9SubtractBlockTest, SimpleSubtract) { ACMRandom rnd(ACMRandom::DeterministicSeed()); // FIXME(rbultje) split in its own file for (BLOCK_SIZE_TYPE bsize = BLOCK_SIZE_AB4X4; bsize < BLOCK_SIZE_TYPES; bsize = static_cast<BLOCK_SIZE_TYPE>(static_cast<int>(bsize) + 1)) { const int block_width = 4 << b_width_log2(bsize); const int block_height = 4 << b_height_log2(bsize); int16_t *diff = reinterpret_cast<int16_t *>( vpx_memalign(16, sizeof(*diff) * block_width * block_height * 2)); uint8_t *pred = reinterpret_cast<uint8_t *>( vpx_memalign(16, block_width * block_height * 2)); uint8_t *src = reinterpret_cast<uint8_t *>( vpx_memalign(16, block_width * block_height * 2)); for (int n = 0; n < 100; n++) { for (int r = 0; r < block_height; ++r) { for (int c = 0; c < block_width * 2; ++c) { src[r * block_width * 2 + c] = rnd.Rand8(); pred[r * block_width * 2 + c] = rnd.Rand8(); } } GetParam()(block_height, block_width, diff, block_width, src, block_width, pred, block_width); for (int r = 0; r < block_height; ++r) { for (int c = 0; c < block_width; ++c) { EXPECT_EQ(diff[r * block_width + c], (src[r * block_width + c] - pred[r * block_width + c])) << "r = " << r << ", c = " << c << ", bs = " << bsize; } } GetParam()(block_height, block_width, diff, block_width * 2, src, block_width * 2, pred, block_width * 2); for (int r = 0; r < block_height; ++r) { for (int c = 0; c < block_width; ++c) { EXPECT_EQ(diff[r * block_width * 2 + c], (src[r * block_width * 2 + c] - pred[r * block_width * 2 + c])) << "r = " << r << ", c = " << c << ", bs = " << bsize; } } } vpx_free(diff); vpx_free(pred); vpx_free(src); } } INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest, ::testing::Values(vp9_subtract_block_c)); #if HAVE_SSE2 INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest, ::testing::Values(vp9_subtract_block_sse2)); #endif } // namespace vp9