vpx/test/vp9_subtract_test.cc

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/*
* 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"
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_blockd.h"
#include "vpx_mem/vpx_mem.h"
typedef void (*SubtractFunc)(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<SubtractFunc> {
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 bsize = BLOCK_4X4; bsize < BLOCK_SIZES;
bsize = static_cast<BLOCK_SIZE>(static_cast<int>(bsize) + 1)) {
const int block_width = 4 * num_4x4_blocks_wide_lookup[bsize];
const int block_height = 4 * num_4x4_blocks_high_lookup[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 && CONFIG_USE_X86INC
INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
::testing::Values(vp9_subtract_block_sse2));
#endif
} // namespace vp9