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vp8_short_fdct4x4: verify optimized functions

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Change-Id: I7c7f5dfabde65c09f111fb0ced0e3ad231ee716e
This commit is contained in:
Johann 2016-09-23 16:45:03 -07:00
parent f62dcc9c33
commit bf05cd3c99
1 changed files with 39 additions and 10 deletions
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49
test/vp8_fdct4x4_test.cc
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@ -17,12 +17,15 @@
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vpx_config.h"
#include "./vp8_rtcd.h"
#include "test/acm_random.h"
#include "vpx/vpx_integer.h"
namespace {
typedef void (*FdctFunc)(int16_t *a, int16_t *b, int a_stride);
const int cospi8sqrt2minus1 = 20091;
const int sinpi8sqrt2 = 35468;
@ -68,8 +71,19 @@ void reference_idct4x4(const int16_t *input, int16_t *output) {
using libvpx_test::ACMRandom;
TEST(VP8FdctTest, SignBiasCheck) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
class FdctTest : public ::testing::TestWithParam<FdctFunc> {
public:
virtual void SetUp() {
fdct_func_ = GetParam();
rnd_.Reset(ACMRandom::DeterministicSeed());
}
protected:
FdctFunc fdct_func_;
ACMRandom rnd_;
};
TEST_P(FdctTest, SignBiasCheck) {
int16_t test_input_block[16];
int16_t test_output_block[16];
const int pitch = 8;
@ -81,10 +95,10 @@ TEST(VP8FdctTest, SignBiasCheck) {
for (int i = 0; i < count_test_block; ++i) {
// Initialize a test block with input range [-255, 255].
for (int j = 0; j < 16; ++j) {
test_input_block[j] = rnd.Rand8() - rnd.Rand8();
test_input_block[j] = rnd_.Rand8() - rnd_.Rand8();
}
vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);
fdct_func_(test_input_block, test_output_block, pitch);
for (int j = 0; j < 16; ++j) {
if (test_output_block[j] < 0) {
@ -110,10 +124,10 @@ TEST(VP8FdctTest, SignBiasCheck) {
for (int i = 0; i < count_test_block; ++i) {
// Initialize a test block with input range [-15, 15].
for (int j = 0; j < 16; ++j) {
test_input_block[j] = (rnd.Rand8() >> 4) - (rnd.Rand8() >> 4);
test_input_block[j] = (rnd_.Rand8() >> 4) - (rnd_.Rand8() >> 4);
}
vp8_short_fdct4x4_c(test_input_block, test_output_block, pitch);
fdct_func_(test_input_block, test_output_block, pitch);
for (int j = 0; j < 16; ++j) {
if (test_output_block[j] < 0) {
@ -135,8 +149,7 @@ TEST(VP8FdctTest, SignBiasCheck) {
<< "Error: 4x4 FDCT has a sign bias > 10% for input range [-15, 15]";
};
TEST(VP8FdctTest, RoundTripErrorCheck) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
TEST_P(FdctTest, RoundTripErrorCheck) {
int max_error = 0;
double total_error = 0;
const int count_test_block = 1000000;
@ -147,11 +160,11 @@ TEST(VP8FdctTest, RoundTripErrorCheck) {
// Initialize a test block with input range [-255, 255].
for (int j = 0; j < 16; ++j) {
test_input_block[j] = rnd.Rand8() - rnd.Rand8();
test_input_block[j] = rnd_.Rand8() - rnd_.Rand8();
}
const int pitch = 8;
vp8_short_fdct4x4_c(test_input_block, test_temp_block, pitch);
fdct_func_(test_input_block, test_temp_block, pitch);
reference_idct4x4(test_temp_block, test_output_block);
for (int j = 0; j < 16; ++j) {
@ -169,4 +182,20 @@ TEST(VP8FdctTest, RoundTripErrorCheck) {
<< "Error: FDCT/IDCT has average roundtrip error > 1 per block";
};
INSTANTIATE_TEST_CASE_P(C, FdctTest, ::testing::Values(vp8_short_fdct4x4_c));
#if HAVE_NEON
INSTANTIATE_TEST_CASE_P(NEON, FdctTest,
::testing::Values(vp8_short_fdct4x4_neon));
#endif // HAVE_NEON
#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(SSE2, FdctTest,
::testing::Values(vp8_short_fdct4x4_sse2));
#endif // HAVE_SSE2
#if HAVE_MSA
INSTANTIATE_TEST_CASE_P(MSA, FdctTest,
::testing::Values(vp8_short_fdct4x4_msa));
#endif // HAVE_MSA
} // namespace