Merge "Refactor 8x8 fwd transform unit test"
This commit is contained in:
Коммит
f363aa3a15
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@ -258,7 +258,7 @@ void reference_16x16_dct_2d(int16_t input[256], double output[256]) {
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}
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typedef void (*fdct_t)(int16_t *in, int16_t *out, int stride);
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typedef void (*idct_t)(int16_t *in, uint8_t *out, int stride);
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typedef void (*idct_t)(int16_t *in, uint8_t *dst, int stride);
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typedef void (*fht_t) (int16_t *in, int16_t *out, int stride, int tx_type);
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typedef void (*iht_t) (int16_t *in, uint8_t *dst, int stride, int tx_type);
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@ -509,7 +509,8 @@ INSTANTIATE_TEST_CASE_P(
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INSTANTIATE_TEST_CASE_P(
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SSE2, Trans16x16DCT,
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::testing::Values(
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make_tuple(&vp9_short_fdct16x16_sse2, &vp9_short_idct16x16_add_c, 0)));
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make_tuple(&vp9_short_fdct16x16_sse2,
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&vp9_short_idct16x16_add_sse2, 0)));
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INSTANTIATE_TEST_CASE_P(
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SSE2, Trans16x16HT,
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::testing::Values(
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@ -13,242 +13,309 @@
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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 "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 "vpx_ports/mem.h"
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#include "test/util.h"
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extern "C" {
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#include "vp9/common/vp9_entropy.h"
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#include "./vp9_rtcd.h"
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void vp9_short_idct8x8_add_c(int16_t *input, uint8_t *output, int pitch);
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}
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#include "test/acm_random.h"
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#include "vpx/vpx_integer.h"
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using libvpx_test::ACMRandom;
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namespace {
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void fdct8x8(int16_t *in, int16_t *out, uint8_t* /*dst*/,
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int stride, int /*tx_type*/) {
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typedef void (*fdct_t)(int16_t *in, int16_t *out, int stride);
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typedef void (*idct_t)(int16_t *in, uint8_t *dst, int stride);
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typedef void (*fht_t) (int16_t *in, int16_t *out, int stride, int tx_type);
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typedef void (*iht_t) (int16_t *in, uint8_t *dst, int stride, int tx_type);
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void fdct8x8_ref(int16_t *in, int16_t *out, int stride, int tx_type) {
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vp9_short_fdct8x8_c(in, out, stride);
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}
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void idct8x8_add(int16_t* /*in*/, int16_t *out, uint8_t *dst,
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int stride, int /*tx_type*/) {
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vp9_short_idct8x8_add_c(out, dst, stride >> 1);
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}
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void fht8x8(int16_t *in, int16_t *out, uint8_t* /*dst*/,
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int stride, int tx_type) {
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// TODO(jingning): need to refactor this to test both _c and _sse2 functions,
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// when we have all inverse dct functions done sse2.
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#if HAVE_SSE2
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vp9_short_fht8x8_sse2(in, out, stride >> 1, tx_type);
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#else
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vp9_short_fht8x8_c(in, out, stride >> 1, tx_type);
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#endif
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}
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void iht8x8_add(int16_t* /*in*/, int16_t *out, uint8_t *dst,
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int stride, int tx_type) {
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vp9_short_iht8x8_add_c(out, dst, stride >> 1, tx_type);
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void fht8x8_ref(int16_t *in, int16_t *out, int stride, int tx_type) {
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vp9_short_fht8x8_c(in, out, stride, tx_type);
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}
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class FwdTrans8x8Test : public ::testing::TestWithParam<int> {
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class FwdTrans8x8TestBase {
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public:
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virtual ~FwdTrans8x8Test() {}
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virtual void SetUp() {
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tx_type_ = GetParam();
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if (tx_type_ == 0) {
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fwd_txfm = fdct8x8;
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inv_txfm = idct8x8_add;
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} else {
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fwd_txfm = fht8x8;
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inv_txfm = iht8x8_add;
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}
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}
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virtual void TearDown() { libvpx_test::ClearSystemState(); }
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virtual ~FwdTrans8x8TestBase() {}
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protected:
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void RunFwdTxfm(int16_t *in, int16_t *out, uint8_t *dst,
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int stride, int tx_type) {
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(*fwd_txfm)(in, out, dst, stride, tx_type);
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}
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void RunInvTxfm(int16_t *in, int16_t *out, uint8_t *dst,
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int stride, int tx_type) {
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(*inv_txfm)(in, out, dst, stride, tx_type);
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}
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virtual void RunFwdTxfm(int16_t *in, int16_t *out, int stride) = 0;
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virtual void RunInvTxfm(int16_t *out, uint8_t *dst, int stride) = 0;
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int tx_type_;
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void (*fwd_txfm)(int16_t*, int16_t*, uint8_t*, int, int);
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void (*inv_txfm)(int16_t*, int16_t*, uint8_t*, int, int);
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};
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void RunSignBiasCheck() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 64);
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_output_block, 64);
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int count_sign_block[64][2];
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const int count_test_block = 100000;
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TEST_P(FwdTrans8x8Test, SignBiasCheck) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 64);
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_output_block, 64);
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const int pitch = 16;
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int count_sign_block[64][2];
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const int count_test_block = 100000;
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memset(count_sign_block, 0, sizeof(count_sign_block));
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memset(count_sign_block, 0, sizeof(count_sign_block));
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = rnd.Rand8() - rnd.Rand8();
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_output_block, pitch_));
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = rnd.Rand8() - rnd.Rand8();
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_output_block,
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NULL, pitch, tx_type_));
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for (int j = 0; j < 64; ++j) {
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if (test_output_block[j] < 0)
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++count_sign_block[j][0];
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else if (test_output_block[j] > 0)
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++count_sign_block[j][1];
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}
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}
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for (int j = 0; j < 64; ++j) {
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if (test_output_block[j] < 0)
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++count_sign_block[j][0];
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else if (test_output_block[j] > 0)
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++count_sign_block[j][1];
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const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
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const int max_diff = 1125;
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EXPECT_LT(diff, max_diff)
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<< "Error: 8x8 FDCT/FHT has a sign bias > "
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<< 1. * max_diff / count_test_block * 100 << "%"
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<< " for input range [-255, 255] at index " << j
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<< " count0: " << count_sign_block[j][0]
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<< " count1: " << count_sign_block[j][1]
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<< " diff: " << diff;
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}
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memset(count_sign_block, 0, sizeof(count_sign_block));
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-15, 15].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = (rnd.Rand8() >> 4) - (rnd.Rand8() >> 4);
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_output_block, pitch_));
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for (int j = 0; j < 64; ++j) {
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if (test_output_block[j] < 0)
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++count_sign_block[j][0];
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else if (test_output_block[j] > 0)
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++count_sign_block[j][1];
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}
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}
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for (int j = 0; j < 64; ++j) {
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const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
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const int max_diff = 10000;
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EXPECT_LT(diff, max_diff)
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<< "Error: 4x4 FDCT/FHT has a sign bias > "
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<< 1. * max_diff / count_test_block * 100 << "%"
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<< " for input range [-15, 15] at index " << j
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<< " count0: " << count_sign_block[j][0]
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<< " count1: " << count_sign_block[j][1]
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<< " diff: " << diff;
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}
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}
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for (int j = 0; j < 64; ++j) {
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const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
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const int max_diff = 1125;
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EXPECT_LT(diff, max_diff)
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<< "Error: 8x8 FDCT/FHT has a sign bias > "
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<< 1. * max_diff / count_test_block * 100 << "%"
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<< " for input range [-255, 255] at index " << j
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<< " count0: " << count_sign_block[j][0]
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<< " count1: " << count_sign_block[j][1]
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<< " diff: " << diff;
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}
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memset(count_sign_block, 0, sizeof(count_sign_block));
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-15, 15].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = (rnd.Rand8() >> 4) - (rnd.Rand8() >> 4);
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_output_block,
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NULL, pitch, tx_type_));
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for (int j = 0; j < 64; ++j) {
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if (test_output_block[j] < 0)
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++count_sign_block[j][0];
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else if (test_output_block[j] > 0)
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++count_sign_block[j][1];
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}
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}
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for (int j = 0; j < 64; ++j) {
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const int diff = abs(count_sign_block[j][0] - count_sign_block[j][1]);
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const int max_diff = 10000;
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EXPECT_LT(diff, max_diff)
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<< "Error: 4x4 FDCT/FHT has a sign bias > "
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<< 1. * max_diff / count_test_block * 100 << "%"
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<< " for input range [-15, 15] at index " << j
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<< " count0: " << count_sign_block[j][0]
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<< " count1: " << count_sign_block[j][1]
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<< " diff: " << diff;
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}
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}
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TEST_P(FwdTrans8x8Test, RoundTripErrorCheck) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int max_error = 0;
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int total_error = 0;
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const int count_test_block = 100000;
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for (int i = 0; i < count_test_block; ++i) {
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void RunRoundTripErrorCheck() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int max_error = 0;
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int total_error = 0;
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const int count_test_block = 100000;
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 64);
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, src, 64);
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for (int j = 0; j < 64; ++j) {
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src[j] = rnd.Rand8();
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dst[j] = rnd.Rand8();
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}
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = src[j] - dst[j];
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j) {
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src[j] = rnd.Rand8();
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dst[j] = rnd.Rand8();
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test_input_block[j] = src[j] - dst[j];
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}
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const int pitch = 16;
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_temp_block,
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dst, pitch, tx_type_));
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for (int j = 0; j < 64; ++j) {
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if (test_temp_block[j] > 0) {
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test_temp_block[j] += 2;
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test_temp_block[j] /= 4;
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test_temp_block[j] *= 4;
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} else {
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test_temp_block[j] -= 2;
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test_temp_block[j] /= 4;
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test_temp_block[j] *= 4;
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}
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}
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REGISTER_STATE_CHECK(
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RunInvTxfm(test_input_block, test_temp_block,
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dst, pitch, tx_type_));
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_temp_block, pitch_));
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for (int j = 0; j < 64; ++j) {
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if (test_temp_block[j] > 0) {
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test_temp_block[j] += 2;
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test_temp_block[j] /= 4;
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test_temp_block[j] *= 4;
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} else {
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test_temp_block[j] -= 2;
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test_temp_block[j] /= 4;
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test_temp_block[j] *= 4;
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}
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}
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REGISTER_STATE_CHECK(
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RunInvTxfm(test_temp_block, dst, pitch_));
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for (int j = 0; j < 64; ++j) {
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const int diff = dst[j] - src[j];
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const int error = diff * diff;
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if (max_error < error)
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max_error = error;
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total_error += error;
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}
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}
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EXPECT_GE(1, max_error)
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<< "Error: 8x8 FDCT/IDCT or FHT/IHT has an individual roundtrip error > 1";
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EXPECT_GE(count_test_block/5, total_error)
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<< "Error: 8x8 FDCT/IDCT or FHT/IHT has average roundtrip "
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"error > 1/5 per block";
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}
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TEST_P(FwdTrans8x8Test, ExtremalCheck) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int max_error = 0;
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int total_error = 0;
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const int count_test_block = 100000;
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for (int i = 0; i < count_test_block; ++i) {
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 64);
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, src, 64);
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for (int j = 0; j < 64; ++j) {
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src[j] = rnd.Rand8() % 2 ? 255 : 0;
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dst[j] = src[j] > 0 ? 0 : 255;
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}
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j)
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test_input_block[j] = src[j] - dst[j];
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const int pitch = 16;
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REGISTER_STATE_CHECK(
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RunFwdTxfm(test_input_block, test_temp_block,
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dst, pitch, tx_type_));
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REGISTER_STATE_CHECK(
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RunInvTxfm(test_input_block, test_temp_block,
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dst, pitch, tx_type_));
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for (int j = 0; j < 64; ++j) {
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const int diff = dst[j] - src[j];
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const int error = diff * diff;
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if (max_error < error)
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max_error = error;
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total_error += error;
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for (int j = 0; j < 64; ++j) {
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const int diff = dst[j] - src[j];
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const int error = diff * diff;
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if (max_error < error)
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max_error = error;
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total_error += error;
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}
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}
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EXPECT_GE(1, max_error)
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<< "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has an"
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<< " individual roundtrip error > 1";
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<< "Error: 8x8 FDCT/IDCT or FHT/IHT has an individual"
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<< " roundtrip error > 1";
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EXPECT_GE(count_test_block/5, total_error)
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<< "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has average"
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<< " roundtrip error > 1/5 per block";
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<< "Error: 8x8 FDCT/IDCT or FHT/IHT has average roundtrip "
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<< "error > 1/5 per block";
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}
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void RunExtremalCheck() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int max_error = 0;
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int total_error = 0;
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const int count_test_block = 100000;
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_input_block, 64);
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DECLARE_ALIGNED_ARRAY(16, int16_t, test_temp_block, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, dst, 64);
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DECLARE_ALIGNED_ARRAY(16, uint8_t, src, 64);
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for (int i = 0; i < count_test_block; ++i) {
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// Initialize a test block with input range [-255, 255].
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for (int j = 0; j < 64; ++j) {
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src[j] = rnd.Rand8() % 2 ? 255 : 0;
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dst[j] = src[j] > 0 ? 0 : 255;
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test_input_block[j] = src[j] - dst[j];
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}
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REGISTER_STATE_CHECK(
|
||||
RunFwdTxfm(test_input_block, test_temp_block, pitch_));
|
||||
REGISTER_STATE_CHECK(
|
||||
RunInvTxfm(test_temp_block, dst, pitch_));
|
||||
|
||||
for (int j = 0; j < 64; ++j) {
|
||||
const int diff = dst[j] - src[j];
|
||||
const int error = diff * diff;
|
||||
if (max_error < error)
|
||||
max_error = error;
|
||||
total_error += error;
|
||||
}
|
||||
|
||||
EXPECT_GE(1, max_error)
|
||||
<< "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has"
|
||||
<< "an individual roundtrip error > 1";
|
||||
|
||||
EXPECT_GE(count_test_block/5, total_error)
|
||||
<< "Error: Extremal 8x8 FDCT/IDCT or FHT/IHT has average"
|
||||
<< " roundtrip error > 1/5 per block";
|
||||
}
|
||||
}
|
||||
|
||||
int pitch_;
|
||||
int tx_type_;
|
||||
fht_t fwd_txfm_ref;
|
||||
};
|
||||
|
||||
class FwdTrans8x8DCT : public FwdTrans8x8TestBase,
|
||||
public PARAMS(fdct_t, idct_t, int) {
|
||||
public:
|
||||
virtual ~FwdTrans8x8DCT() {}
|
||||
|
||||
virtual void SetUp() {
|
||||
fwd_txfm_ = GET_PARAM(0);
|
||||
inv_txfm_ = GET_PARAM(1);
|
||||
tx_type_ = GET_PARAM(2);
|
||||
pitch_ = 16;
|
||||
fwd_txfm_ref = fdct8x8_ref;
|
||||
}
|
||||
|
||||
virtual void TearDown() { libvpx_test::ClearSystemState(); }
|
||||
|
||||
protected:
|
||||
void RunFwdTxfm(int16_t *in, int16_t *out, int stride) {
|
||||
fwd_txfm_(in, out, stride);
|
||||
}
|
||||
void RunInvTxfm(int16_t *out, uint8_t *dst, int stride) {
|
||||
inv_txfm_(out, dst, stride >> 1);
|
||||
}
|
||||
|
||||
fdct_t fwd_txfm_;
|
||||
idct_t inv_txfm_;
|
||||
};
|
||||
|
||||
TEST_P(FwdTrans8x8DCT, SignBiasCheck) {
|
||||
RunSignBiasCheck();
|
||||
}
|
||||
|
||||
INSTANTIATE_TEST_CASE_P(VP9, FwdTrans8x8Test, ::testing::Range(0, 4));
|
||||
TEST_P(FwdTrans8x8DCT, RoundTripErrorCheck) {
|
||||
RunRoundTripErrorCheck();
|
||||
}
|
||||
|
||||
TEST_P(FwdTrans8x8DCT, ExtremalCheck) {
|
||||
RunExtremalCheck();
|
||||
}
|
||||
|
||||
class FwdTrans8x8HT : public FwdTrans8x8TestBase,
|
||||
public PARAMS(fht_t, iht_t, int) {
|
||||
public:
|
||||
virtual ~FwdTrans8x8HT() {}
|
||||
|
||||
virtual void SetUp() {
|
||||
fwd_txfm_ = GET_PARAM(0);
|
||||
inv_txfm_ = GET_PARAM(1);
|
||||
tx_type_ = GET_PARAM(2);
|
||||
pitch_ = 8;
|
||||
fwd_txfm_ref = fht8x8_ref;
|
||||
}
|
||||
|
||||
virtual void TearDown() { libvpx_test::ClearSystemState(); }
|
||||
|
||||
protected:
|
||||
void RunFwdTxfm(int16_t *in, int16_t *out, int stride) {
|
||||
fwd_txfm_(in, out, stride, tx_type_);
|
||||
}
|
||||
void RunInvTxfm(int16_t *out, uint8_t *dst, int stride) {
|
||||
inv_txfm_(out, dst, stride, tx_type_);
|
||||
}
|
||||
|
||||
fht_t fwd_txfm_;
|
||||
iht_t inv_txfm_;
|
||||
};
|
||||
|
||||
TEST_P(FwdTrans8x8HT, SignBiasCheck) {
|
||||
RunSignBiasCheck();
|
||||
}
|
||||
|
||||
TEST_P(FwdTrans8x8HT, RoundTripErrorCheck) {
|
||||
RunRoundTripErrorCheck();
|
||||
}
|
||||
|
||||
TEST_P(FwdTrans8x8HT, ExtremalCheck) {
|
||||
RunExtremalCheck();
|
||||
}
|
||||
|
||||
using std::tr1::make_tuple;
|
||||
|
||||
INSTANTIATE_TEST_CASE_P(
|
||||
C, FwdTrans8x8DCT,
|
||||
::testing::Values(
|
||||
make_tuple(&vp9_short_fdct8x8_c, &vp9_short_idct8x8_add_c, 0)));
|
||||
INSTANTIATE_TEST_CASE_P(
|
||||
C, FwdTrans8x8HT,
|
||||
::testing::Values(
|
||||
make_tuple(&vp9_short_fht8x8_c, &vp9_short_iht8x8_add_c, 0),
|
||||
make_tuple(&vp9_short_fht8x8_c, &vp9_short_iht8x8_add_c, 1),
|
||||
make_tuple(&vp9_short_fht8x8_c, &vp9_short_iht8x8_add_c, 2),
|
||||
make_tuple(&vp9_short_fht8x8_c, &vp9_short_iht8x8_add_c, 3)));
|
||||
|
||||
#if HAVE_SSE2
|
||||
INSTANTIATE_TEST_CASE_P(
|
||||
SSE2, FwdTrans8x8DCT,
|
||||
::testing::Values(
|
||||
make_tuple(&vp9_short_fdct8x8_sse2, &vp9_short_idct8x8_add_sse2, 0)));
|
||||
INSTANTIATE_TEST_CASE_P(
|
||||
SSE2, FwdTrans8x8HT,
|
||||
::testing::Values(
|
||||
make_tuple(&vp9_short_fht8x8_sse2, &vp9_short_iht8x8_add_sse2, 0),
|
||||
make_tuple(&vp9_short_fht8x8_sse2, &vp9_short_iht8x8_add_sse2, 1),
|
||||
make_tuple(&vp9_short_fht8x8_sse2, &vp9_short_iht8x8_add_sse2, 2),
|
||||
make_tuple(&vp9_short_fht8x8_sse2, &vp9_short_iht8x8_add_sse2, 3)));
|
||||
#endif
|
||||
} // namespace
|
||||
|
|
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