ref: 9a62ecbd352edc1a75f2b5c8dbfb9ca60efb812c
dir: /test/dct16x16_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 <math.h>
#include <stdlib.h>
#include <string.h>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "./vp9_rtcd.h"
#include "./vpx_dsp_rtcd.h"
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "vp9/common/vp9_entropy.h"
#include "vp9/common/vp9_scan.h"
#include "vpx/vpx_codec.h"
#include "vpx/vpx_integer.h"
#include "vpx_ports/mem.h"
#include "vpx_ports/msvc.h" // for round()
using libvpx_test::ACMRandom;
namespace {
const int kNumCoeffs = 256;
const double C1 = 0.995184726672197;
const double C2 = 0.98078528040323;
const double C3 = 0.956940335732209;
const double C4 = 0.923879532511287;
const double C5 = 0.881921264348355;
const double C6 = 0.831469612302545;
const double C7 = 0.773010453362737;
const double C8 = 0.707106781186548;
const double C9 = 0.634393284163646;
const double C10 = 0.555570233019602;
const double C11 = 0.471396736825998;
const double C12 = 0.38268343236509;
const double C13 = 0.290284677254462;
const double C14 = 0.195090322016128;
const double C15 = 0.098017140329561;
void butterfly_16x16_dct_1d(double input[16], double output[16]) {
double step[16];
double intermediate[16];
double temp1, temp2;
// step 1
step[ 0] = input[0] + input[15];
step[ 1] = input[1] + input[14];
step[ 2] = input[2] + input[13];
step[ 3] = input[3] + input[12];
step[ 4] = input[4] + input[11];
step[ 5] = input[5] + input[10];
step[ 6] = input[6] + input[ 9];
step[ 7] = input[7] + input[ 8];
step[ 8] = input[7] - input[ 8];
step[ 9] = input[6] - input[ 9];
step[10] = input[5] - input[10];
step[11] = input[4] - input[11];
step[12] = input[3] - input[12];
step[13] = input[2] - input[13];
step[14] = input[1] - input[14];
step[15] = input[0] - input[15];
// step 2
output[0] = step[0] + step[7];
output[1] = step[1] + step[6];
output[2] = step[2] + step[5];
output[3] = step[3] + step[4];
output[4] = step[3] - step[4];
output[5] = step[2] - step[5];
output[6] = step[1] - step[6];
output[7] = step[0] - step[7];
temp1 = step[ 8] * C7;
temp2 = step[15] * C9;
output[ 8] = temp1 + temp2;
temp1 = step[ 9] * C11;
temp2 = step[14] * C5;
output[ 9] = temp1 - temp2;
temp1 = step[10] * C3;
temp2 = step[13] * C13;
output[10] = temp1 + temp2;
temp1 = step[11] * C15;
temp2 = step[12] * C1;
output[11] = temp1 - temp2;
temp1 = step[11] * C1;
temp2 = step[12] * C15;
output[12] = temp2 + temp1;
temp1 = step[10] * C13;
temp2 = step[13] * C3;
output[13] = temp2 - temp1;
temp1 = step[ 9] * C5;
temp2 = step[14] * C11;
output[14] = temp2 + temp1;
temp1 = step[ 8] * C9;
temp2 = step[15] * C7;
output[15] = temp2 - temp1;
// step 3
step[ 0] = output[0] + output[3];
step[ 1] = output[1] + output[2];
step[ 2] = output[1] - output[2];
step[ 3] = output[0] - output[3];
temp1 = output[4] * C14;
temp2 = output[7] * C2;
step[ 4] = temp1 + temp2;
temp1 = output[5] * C10;
temp2 = output[6] * C6;
step[ 5] = temp1 + temp2;
temp1 = output[5] * C6;
temp2 = output[6] * C10;
step[ 6] = temp2 - temp1;
temp1 = output[4] * C2;
temp2 = output[7] * C14;
step[ 7] = temp2 - temp1;
step[ 8] = output[ 8] + output[11];
step[ 9] = output[ 9] + output[10];
step[10] = output[ 9] - output[10];
step[11] = output[ 8] - output[11];
step[12] = output[12] + output[15];
step[13] = output[13] + output[14];
step[14] = output[13] - output[14];
step[15] = output[12] - output[15];
// step 4
output[ 0] = (step[ 0] + step[ 1]);
output[ 8] = (step[ 0] - step[ 1]);
temp1 = step[2] * C12;
temp2 = step[3] * C4;
temp1 = temp1 + temp2;
output[ 4] = 2*(temp1 * C8);
temp1 = step[2] * C4;
temp2 = step[3] * C12;
temp1 = temp2 - temp1;
output[12] = 2 * (temp1 * C8);
output[ 2] = 2 * ((step[4] + step[ 5]) * C8);
output[14] = 2 * ((step[7] - step[ 6]) * C8);
temp1 = step[4] - step[5];
temp2 = step[6] + step[7];
output[ 6] = (temp1 + temp2);
output[10] = (temp1 - temp2);
intermediate[8] = step[8] + step[14];
intermediate[9] = step[9] + step[15];
temp1 = intermediate[8] * C12;
temp2 = intermediate[9] * C4;
temp1 = temp1 - temp2;
output[3] = 2 * (temp1 * C8);
temp1 = intermediate[8] * C4;
temp2 = intermediate[9] * C12;
temp1 = temp2 + temp1;
output[13] = 2 * (temp1 * C8);
output[ 9] = 2 * ((step[10] + step[11]) * C8);
intermediate[11] = step[10] - step[11];
intermediate[12] = step[12] + step[13];
intermediate[13] = step[12] - step[13];
intermediate[14] = step[ 8] - step[14];
intermediate[15] = step[ 9] - step[15];
output[15] = (intermediate[11] + intermediate[12]);
output[ 1] = -(intermediate[11] - intermediate[12]);
output[ 7] = 2 * (intermediate[13] * C8);
temp1 = intermediate[14] * C12;
temp2 = intermediate[15] * C4;
temp1 = temp1 - temp2;
output[11] = -2 * (temp1 * C8);
temp1 = intermediate[14] * C4;
temp2 = intermediate[15] * C12;
temp1 = temp2 + temp1;
output[ 5] = 2 * (temp1 * C8);
}
void reference_16x16_dct_2d(int16_t input[256], double output[256]) {
// First transform columns
for (int i = 0; i < 16; ++i) {
double temp_in[16], temp_out[16];
for (int j = 0; j < 16; ++j)
temp_in[j] = input[j * 16 + i];
butterfly_16x16_dct_1d(temp_in, temp_out);
for (int j = 0; j < 16; ++j)
output[j * 16 + i] = temp_out[j];
}
// Then transform rows
for (int i = 0; i < 16; ++i) {
double temp_in[16], temp_out[16];
for (int j = 0; j < 16; ++j)
temp_in[j] = output[j + i * 16];
butterfly_16x16_dct_1d(temp_in, temp_out);
// Scale by some magic number
for (int j = 0; j < 16; ++j)
output[j + i * 16] = temp_out[j]/2;
}
}
typedef void (*FdctFunc)(const int16_t *in, tran_low_t *out, int stride);
typedef void (*IdctFunc)(const tran_low_t *in, uint8_t *out, int stride);
typedef void (*FhtFunc)(const int16_t *in, tran_low_t *out, int stride,
int tx_type);
typedef void (*IhtFunc)(const tran_low_t *in, uint8_t *out, int stride,
int tx_type);
typedef std::tr1::tuple<FdctFunc, IdctFunc, int, vpx_bit_depth_t> Dct16x16Param;
typedef std::tr1::tuple<FhtFunc, IhtFunc, int, vpx_bit_depth_t> Ht16x16Param;
typedef std::tr1::tuple<IdctFunc, IdctFunc, int, vpx_bit_depth_t>
Idct16x16Param;
void fdct16x16_ref(const int16_t *in, tran_low_t *out, int stride,
int /*tx_type*/) {
vpx_fdct16x16_c(in, out, stride);
}
void idct16x16_ref(const tran_low_t *in, uint8_t *dest, int stride,
int /*tx_type*/) {
vpx_idct16x16_256_add_c(in, dest, stride);
}
void fht16x16_ref(const int16_t *in, tran_low_t *out, int stride,
int tx_type) {
vp9_fht16x16_c(in, out, stride, tx_type);
}
void iht16x16_ref(const tran_low_t *in, uint8_t *dest, int stride,
int tx_type) {
vp9_iht16x16_256_add_c(in, dest, stride, tx_type);
}
#if CONFIG_VP9_HIGHBITDEPTH
void idct16x16_10(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_256_add_c(in, out, stride, 10);
}
void idct16x16_12(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_256_add_c(in, out, stride, 12);
}
void idct16x16_10_ref(const tran_low_t *in, uint8_t *out, int stride,
int /*tx_type*/) {
idct16x16_10(in, out, stride);
}
void idct16x16_12_ref(const tran_low_t *in, uint8_t *out, int stride,
int /*tx_type*/) {
idct16x16_12(in, out, stride);
}
void iht16x16_10(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
vp9_highbd_iht16x16_256_add_c(in, out, stride, tx_type, 10);
}
void iht16x16_12(const tran_low_t *in, uint8_t *out, int stride, int tx_type) {
vp9_highbd_iht16x16_256_add_c(in, out, stride, tx_type, 12);
}
#if HAVE_SSE2
void idct16x16_10_add_10_c(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_10_add_c(in, out, stride, 10);
}
void idct16x16_10_add_12_c(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_10_add_c(in, out, stride, 12);
}
void idct16x16_256_add_10_sse2(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_256_add_sse2(in, out, stride, 10);
}
void idct16x16_256_add_12_sse2(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_256_add_sse2(in, out, stride, 12);
}
void idct16x16_10_add_10_sse2(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_10_add_sse2(in, out, stride, 10);
}
void idct16x16_10_add_12_sse2(const tran_low_t *in, uint8_t *out, int stride) {
vpx_highbd_idct16x16_10_add_sse2(in, out, stride, 12);
}
#endif // HAVE_SSE2
#endif // CONFIG_VP9_HIGHBITDEPTH
class Trans16x16TestBase {
public:
virtual ~Trans16x16TestBase() {}
protected:
virtual void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) = 0;
virtual void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) = 0;
void RunAccuracyCheck() {
ACMRandom rnd(ACMRandom::DeterministicSeed());
uint32_t max_error = 0;
int64_t total_error = 0;
const int count_test_block = 10000;
for (int i = 0; i < count_test_block; ++i) {
DECLARE_ALIGNED(16, int16_t, test_input_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, test_temp_block[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, src[kNumCoeffs]);
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
DECLARE_ALIGNED(16, uint16_t, src16[kNumCoeffs]);
#endif
// Initialize a test block with input range [-mask_, mask_].
for (int j = 0; j < kNumCoeffs; ++j) {
if (bit_depth_ == VPX_BITS_8) {
src[j] = rnd.Rand8();
dst[j] = rnd.Rand8();
test_input_block[j] = src[j] - dst[j];
#if CONFIG_VP9_HIGHBITDEPTH
} else {
src16[j] = rnd.Rand16() & mask_;
dst16[j] = rnd.Rand16() & mask_;
test_input_block[j] = src16[j] - dst16[j];
#endif
}
}
ASM_REGISTER_STATE_CHECK(RunFwdTxfm(test_input_block,
test_temp_block, pitch_));
if (bit_depth_ == VPX_BITS_8) {
ASM_REGISTER_STATE_CHECK(
RunInvTxfm(test_temp_block, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
} else {
ASM_REGISTER_STATE_CHECK(
RunInvTxfm(test_temp_block, CONVERT_TO_BYTEPTR(dst16), pitch_));
#endif
}
for (int j = 0; j < kNumCoeffs; ++j) {
#if CONFIG_VP9_HIGHBITDEPTH
const int32_t diff =
bit_depth_ == VPX_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
#else
const int32_t diff = dst[j] - src[j];
#endif
const uint32_t error = diff * diff;
if (max_error < error)
max_error = error;
total_error += error;
}
}
EXPECT_GE(1u << 2 * (bit_depth_ - 8), max_error)
<< "Error: 16x16 FHT/IHT has an individual round trip error > 1";
EXPECT_GE(count_test_block << 2 * (bit_depth_ - 8), total_error)
<< "Error: 16x16 FHT/IHT has average round trip error > 1 per block";
}
void RunCoeffCheck() {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 1000;
DECLARE_ALIGNED(16, int16_t, input_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output_block[kNumCoeffs]);
for (int i = 0; i < count_test_block; ++i) {
// Initialize a test block with input range [-mask_, mask_].
for (int j = 0; j < kNumCoeffs; ++j)
input_block[j] = (rnd.Rand16() & mask_) - (rnd.Rand16() & mask_);
fwd_txfm_ref(input_block, output_ref_block, pitch_, tx_type_);
ASM_REGISTER_STATE_CHECK(RunFwdTxfm(input_block, output_block, pitch_));
// The minimum quant value is 4.
for (int j = 0; j < kNumCoeffs; ++j)
EXPECT_EQ(output_block[j], output_ref_block[j]);
}
}
void RunMemCheck() {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 1000;
DECLARE_ALIGNED(16, int16_t, input_extreme_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output_block[kNumCoeffs]);
for (int i = 0; i < count_test_block; ++i) {
// Initialize a test block with input range [-mask_, mask_].
for (int j = 0; j < kNumCoeffs; ++j) {
input_extreme_block[j] = rnd.Rand8() % 2 ? mask_ : -mask_;
}
if (i == 0) {
for (int j = 0; j < kNumCoeffs; ++j)
input_extreme_block[j] = mask_;
} else if (i == 1) {
for (int j = 0; j < kNumCoeffs; ++j)
input_extreme_block[j] = -mask_;
}
fwd_txfm_ref(input_extreme_block, output_ref_block, pitch_, tx_type_);
ASM_REGISTER_STATE_CHECK(RunFwdTxfm(input_extreme_block,
output_block, pitch_));
// The minimum quant value is 4.
for (int j = 0; j < kNumCoeffs; ++j) {
EXPECT_EQ(output_block[j], output_ref_block[j]);
EXPECT_GE(4 * DCT_MAX_VALUE << (bit_depth_ - 8), abs(output_block[j]))
<< "Error: 16x16 FDCT has coefficient larger than 4*DCT_MAX_VALUE";
}
}
}
void RunQuantCheck(int dc_thred, int ac_thred) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 100000;
DECLARE_ALIGNED(16, int16_t, input_extreme_block[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output_ref_block[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, ref[kNumCoeffs]);
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
DECLARE_ALIGNED(16, uint16_t, ref16[kNumCoeffs]);
#endif
for (int i = 0; i < count_test_block; ++i) {
// Initialize a test block with input range [-mask_, mask_].
for (int j = 0; j < kNumCoeffs; ++j) {
input_extreme_block[j] = rnd.Rand8() % 2 ? mask_ : -mask_;
}
if (i == 0)
for (int j = 0; j < kNumCoeffs; ++j)
input_extreme_block[j] = mask_;
if (i == 1)
for (int j = 0; j < kNumCoeffs; ++j)
input_extreme_block[j] = -mask_;
fwd_txfm_ref(input_extreme_block, output_ref_block, pitch_, tx_type_);
// clear reconstructed pixel buffers
memset(dst, 0, kNumCoeffs * sizeof(uint8_t));
memset(ref, 0, kNumCoeffs * sizeof(uint8_t));
#if CONFIG_VP9_HIGHBITDEPTH
memset(dst16, 0, kNumCoeffs * sizeof(uint16_t));
memset(ref16, 0, kNumCoeffs * sizeof(uint16_t));
#endif
// quantization with maximum allowed step sizes
output_ref_block[0] = (output_ref_block[0] / dc_thred) * dc_thred;
for (int j = 1; j < kNumCoeffs; ++j)
output_ref_block[j] = (output_ref_block[j] / ac_thred) * ac_thred;
if (bit_depth_ == VPX_BITS_8) {
inv_txfm_ref(output_ref_block, ref, pitch_, tx_type_);
ASM_REGISTER_STATE_CHECK(RunInvTxfm(output_ref_block, dst, pitch_));
#if CONFIG_VP9_HIGHBITDEPTH
} else {
inv_txfm_ref(output_ref_block, CONVERT_TO_BYTEPTR(ref16), pitch_,
tx_type_);
ASM_REGISTER_STATE_CHECK(RunInvTxfm(output_ref_block,
CONVERT_TO_BYTEPTR(dst16), pitch_));
#endif
}
if (bit_depth_ == VPX_BITS_8) {
for (int j = 0; j < kNumCoeffs; ++j)
EXPECT_EQ(ref[j], dst[j]);
#if CONFIG_VP9_HIGHBITDEPTH
} else {
for (int j = 0; j < kNumCoeffs; ++j)
EXPECT_EQ(ref16[j], dst16[j]);
#endif
}
}
}
void RunInvAccuracyCheck() {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 1000;
DECLARE_ALIGNED(16, int16_t, in[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, src[kNumCoeffs]);
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
DECLARE_ALIGNED(16, uint16_t, src16[kNumCoeffs]);
#endif // CONFIG_VP9_HIGHBITDEPTH
for (int i = 0; i < count_test_block; ++i) {
double out_r[kNumCoeffs];
// Initialize a test block with input range [-255, 255].
for (int j = 0; j < kNumCoeffs; ++j) {
if (bit_depth_ == VPX_BITS_8) {
src[j] = rnd.Rand8();
dst[j] = rnd.Rand8();
in[j] = src[j] - dst[j];
#if CONFIG_VP9_HIGHBITDEPTH
} else {
src16[j] = rnd.Rand16() & mask_;
dst16[j] = rnd.Rand16() & mask_;
in[j] = src16[j] - dst16[j];
#endif // CONFIG_VP9_HIGHBITDEPTH
}
}
reference_16x16_dct_2d(in, out_r);
for (int j = 0; j < kNumCoeffs; ++j)
coeff[j] = static_cast<tran_low_t>(round(out_r[j]));
if (bit_depth_ == VPX_BITS_8) {
ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, 16));
#if CONFIG_VP9_HIGHBITDEPTH
} else {
ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, CONVERT_TO_BYTEPTR(dst16),
16));
#endif // CONFIG_VP9_HIGHBITDEPTH
}
for (int j = 0; j < kNumCoeffs; ++j) {
#if CONFIG_VP9_HIGHBITDEPTH
const uint32_t diff =
bit_depth_ == VPX_BITS_8 ? dst[j] - src[j] : dst16[j] - src16[j];
#else
const uint32_t diff = dst[j] - src[j];
#endif // CONFIG_VP9_HIGHBITDEPTH
const uint32_t error = diff * diff;
EXPECT_GE(1u, error)
<< "Error: 16x16 IDCT has error " << error
<< " at index " << j;
}
}
}
void CompareInvReference(IdctFunc ref_txfm, int thresh) {
ACMRandom rnd(ACMRandom::DeterministicSeed());
const int count_test_block = 10000;
const int eob = 10;
const int16_t *scan = vp9_default_scan_orders[TX_16X16].scan;
DECLARE_ALIGNED(16, tran_low_t, coeff[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, dst[kNumCoeffs]);
DECLARE_ALIGNED(16, uint8_t, ref[kNumCoeffs]);
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, uint16_t, dst16[kNumCoeffs]);
DECLARE_ALIGNED(16, uint16_t, ref16[kNumCoeffs]);
#endif // CONFIG_VP9_HIGHBITDEPTH
for (int i = 0; i < count_test_block; ++i) {
for (int j = 0; j < kNumCoeffs; ++j) {
if (j < eob) {
// Random values less than the threshold, either positive or negative
coeff[scan[j]] = rnd(thresh) * (1 - 2 * (i % 2));
} else {
coeff[scan[j]] = 0;
}
if (bit_depth_ == VPX_BITS_8) {
dst[j] = 0;
ref[j] = 0;
#if CONFIG_VP9_HIGHBITDEPTH
} else {
dst16[j] = 0;
ref16[j] = 0;
#endif // CONFIG_VP9_HIGHBITDEPTH
}
}
if (bit_depth_ == VPX_BITS_8) {
ref_txfm(coeff, ref, pitch_);
ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, dst, pitch_));
} else {
#if CONFIG_VP9_HIGHBITDEPTH
ref_txfm(coeff, CONVERT_TO_BYTEPTR(ref16), pitch_);
ASM_REGISTER_STATE_CHECK(RunInvTxfm(coeff, CONVERT_TO_BYTEPTR(dst16),
pitch_));
#endif // CONFIG_VP9_HIGHBITDEPTH
}
for (int j = 0; j < kNumCoeffs; ++j) {
#if CONFIG_VP9_HIGHBITDEPTH
const uint32_t diff =
bit_depth_ == VPX_BITS_8 ? dst[j] - ref[j] : dst16[j] - ref16[j];
#else
const uint32_t diff = dst[j] - ref[j];
#endif // CONFIG_VP9_HIGHBITDEPTH
const uint32_t error = diff * diff;
EXPECT_EQ(0u, error)
<< "Error: 16x16 IDCT Comparison has error " << error
<< " at index " << j;
}
}
}
int pitch_;
int tx_type_;
vpx_bit_depth_t bit_depth_;
int mask_;
FhtFunc fwd_txfm_ref;
IhtFunc inv_txfm_ref;
};
class Trans16x16DCT
: public Trans16x16TestBase,
public ::testing::TestWithParam<Dct16x16Param> {
public:
virtual ~Trans16x16DCT() {}
virtual void SetUp() {
fwd_txfm_ = GET_PARAM(0);
inv_txfm_ = GET_PARAM(1);
tx_type_ = GET_PARAM(2);
bit_depth_ = GET_PARAM(3);
pitch_ = 16;
fwd_txfm_ref = fdct16x16_ref;
inv_txfm_ref = idct16x16_ref;
mask_ = (1 << bit_depth_) - 1;
#if CONFIG_VP9_HIGHBITDEPTH
switch (bit_depth_) {
case VPX_BITS_10:
inv_txfm_ref = idct16x16_10_ref;
break;
case VPX_BITS_12:
inv_txfm_ref = idct16x16_12_ref;
break;
default:
inv_txfm_ref = idct16x16_ref;
break;
}
#else
inv_txfm_ref = idct16x16_ref;
#endif
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) {
fwd_txfm_(in, out, stride);
}
void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
inv_txfm_(out, dst, stride);
}
FdctFunc fwd_txfm_;
IdctFunc inv_txfm_;
};
TEST_P(Trans16x16DCT, AccuracyCheck) {
RunAccuracyCheck();
}
TEST_P(Trans16x16DCT, CoeffCheck) {
RunCoeffCheck();
}
TEST_P(Trans16x16DCT, MemCheck) {
RunMemCheck();
}
TEST_P(Trans16x16DCT, QuantCheck) {
// Use maximally allowed quantization step sizes for DC and AC
// coefficients respectively.
RunQuantCheck(1336, 1828);
}
TEST_P(Trans16x16DCT, InvAccuracyCheck) {
RunInvAccuracyCheck();
}
class Trans16x16HT
: public Trans16x16TestBase,
public ::testing::TestWithParam<Ht16x16Param> {
public:
virtual ~Trans16x16HT() {}
virtual void SetUp() {
fwd_txfm_ = GET_PARAM(0);
inv_txfm_ = GET_PARAM(1);
tx_type_ = GET_PARAM(2);
bit_depth_ = GET_PARAM(3);
pitch_ = 16;
fwd_txfm_ref = fht16x16_ref;
inv_txfm_ref = iht16x16_ref;
mask_ = (1 << bit_depth_) - 1;
#if CONFIG_VP9_HIGHBITDEPTH
switch (bit_depth_) {
case VPX_BITS_10:
inv_txfm_ref = iht16x16_10;
break;
case VPX_BITS_12:
inv_txfm_ref = iht16x16_12;
break;
default:
inv_txfm_ref = iht16x16_ref;
break;
}
#else
inv_txfm_ref = iht16x16_ref;
#endif
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
void RunFwdTxfm(int16_t *in, tran_low_t *out, int stride) {
fwd_txfm_(in, out, stride, tx_type_);
}
void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
inv_txfm_(out, dst, stride, tx_type_);
}
FhtFunc fwd_txfm_;
IhtFunc inv_txfm_;
};
TEST_P(Trans16x16HT, AccuracyCheck) {
RunAccuracyCheck();
}
TEST_P(Trans16x16HT, CoeffCheck) {
RunCoeffCheck();
}
TEST_P(Trans16x16HT, MemCheck) {
RunMemCheck();
}
TEST_P(Trans16x16HT, QuantCheck) {
// The encoder skips any non-DC intra prediction modes,
// when the quantization step size goes beyond 988.
RunQuantCheck(429, 729);
}
class InvTrans16x16DCT
: public Trans16x16TestBase,
public ::testing::TestWithParam<Idct16x16Param> {
public:
virtual ~InvTrans16x16DCT() {}
virtual void SetUp() {
ref_txfm_ = GET_PARAM(0);
inv_txfm_ = GET_PARAM(1);
thresh_ = GET_PARAM(2);
bit_depth_ = GET_PARAM(3);
pitch_ = 16;
mask_ = (1 << bit_depth_) - 1;
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
void RunFwdTxfm(int16_t * /*in*/, tran_low_t * /*out*/, int /*stride*/) {}
void RunInvTxfm(tran_low_t *out, uint8_t *dst, int stride) {
inv_txfm_(out, dst, stride);
}
IdctFunc ref_txfm_;
IdctFunc inv_txfm_;
int thresh_;
};
TEST_P(InvTrans16x16DCT, CompareReference) {
CompareInvReference(ref_txfm_, thresh_);
}
class PartialTrans16x16Test
: public ::testing::TestWithParam<
std::tr1::tuple<FdctFunc, vpx_bit_depth_t> > {
public:
virtual ~PartialTrans16x16Test() {}
virtual void SetUp() {
fwd_txfm_ = GET_PARAM(0);
bit_depth_ = GET_PARAM(1);
}
virtual void TearDown() { libvpx_test::ClearSystemState(); }
protected:
vpx_bit_depth_t bit_depth_;
FdctFunc fwd_txfm_;
};
TEST_P(PartialTrans16x16Test, Extremes) {
#if CONFIG_VP9_HIGHBITDEPTH
const int16_t maxval =
static_cast<int16_t>(clip_pixel_highbd(1 << 30, bit_depth_));
#else
const int16_t maxval = 255;
#endif
const int minval = -maxval;
DECLARE_ALIGNED(16, int16_t, input[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output[kNumCoeffs]);
for (int i = 0; i < kNumCoeffs; ++i) input[i] = maxval;
output[0] = 0;
ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 16));
EXPECT_EQ((maxval * kNumCoeffs) >> 1, output[0]);
for (int i = 0; i < kNumCoeffs; ++i) input[i] = minval;
output[0] = 0;
ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 16));
EXPECT_EQ((minval * kNumCoeffs) >> 1, output[0]);
}
TEST_P(PartialTrans16x16Test, Random) {
#if CONFIG_VP9_HIGHBITDEPTH
const int16_t maxval =
static_cast<int16_t>(clip_pixel_highbd(1 << 30, bit_depth_));
#else
const int16_t maxval = 255;
#endif
DECLARE_ALIGNED(16, int16_t, input[kNumCoeffs]);
DECLARE_ALIGNED(16, tran_low_t, output[kNumCoeffs]);
ACMRandom rnd(ACMRandom::DeterministicSeed());
int sum = 0;
for (int i = 0; i < kNumCoeffs; ++i) {
const int val = (i & 1) ? -rnd(maxval + 1) : rnd(maxval + 1);
input[i] = val;
sum += val;
}
output[0] = 0;
ASM_REGISTER_STATE_CHECK(fwd_txfm_(input, output, 16));
EXPECT_EQ(sum >> 1, output[0]);
}
using std::tr1::make_tuple;
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_CASE_P(
C, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_highbd_fdct16x16_c, &idct16x16_10, 0, VPX_BITS_10),
make_tuple(&vpx_highbd_fdct16x16_c, &idct16x16_12, 0, VPX_BITS_12),
make_tuple(&vpx_fdct16x16_c, &vpx_idct16x16_256_add_c, 0, VPX_BITS_8)));
#else
INSTANTIATE_TEST_CASE_P(
C, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_fdct16x16_c, &vpx_idct16x16_256_add_c, 0, VPX_BITS_8)));
#endif // CONFIG_VP9_HIGHBITDEPTH
#if CONFIG_VP9_HIGHBITDEPTH
INSTANTIATE_TEST_CASE_P(
C, Trans16x16HT,
::testing::Values(
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_10, 0, VPX_BITS_10),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_10, 1, VPX_BITS_10),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_10, 2, VPX_BITS_10),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_10, 3, VPX_BITS_10),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_12, 0, VPX_BITS_12),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_12, 1, VPX_BITS_12),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_12, 2, VPX_BITS_12),
make_tuple(&vp9_highbd_fht16x16_c, &iht16x16_12, 3, VPX_BITS_12),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 0, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 1, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 2, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 3, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(
C, PartialTrans16x16Test,
::testing::Values(make_tuple(&vpx_highbd_fdct16x16_1_c, VPX_BITS_8),
make_tuple(&vpx_highbd_fdct16x16_1_c, VPX_BITS_10),
make_tuple(&vpx_highbd_fdct16x16_1_c, VPX_BITS_12)));
#else
INSTANTIATE_TEST_CASE_P(
C, Trans16x16HT,
::testing::Values(
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 0, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 1, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 2, VPX_BITS_8),
make_tuple(&vp9_fht16x16_c, &vp9_iht16x16_256_add_c, 3, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(C, PartialTrans16x16Test,
::testing::Values(make_tuple(&vpx_fdct16x16_1_c,
VPX_BITS_8)));
#endif // CONFIG_VP9_HIGHBITDEPTH
#if HAVE_NEON_ASM && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
NEON, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_fdct16x16_c,
&vpx_idct16x16_256_add_neon, 0, VPX_BITS_8)));
#endif
#if HAVE_SSE2 && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
SSE2, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_fdct16x16_sse2,
&vpx_idct16x16_256_add_sse2, 0, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(
SSE2, Trans16x16HT,
::testing::Values(
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_sse2, 0,
VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_sse2, 1,
VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_sse2, 2,
VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_sse2, 3,
VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(SSE2, PartialTrans16x16Test,
::testing::Values(make_tuple(&vpx_fdct16x16_1_sse2,
VPX_BITS_8)));
#endif // HAVE_SSE2 && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
#if HAVE_SSE2 && CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
SSE2, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_highbd_fdct16x16_sse2,
&idct16x16_10, 0, VPX_BITS_10),
make_tuple(&vpx_highbd_fdct16x16_c,
&idct16x16_256_add_10_sse2, 0, VPX_BITS_10),
make_tuple(&vpx_highbd_fdct16x16_sse2,
&idct16x16_12, 0, VPX_BITS_12),
make_tuple(&vpx_highbd_fdct16x16_c,
&idct16x16_256_add_12_sse2, 0, VPX_BITS_12),
make_tuple(&vpx_fdct16x16_sse2,
&vpx_idct16x16_256_add_c, 0, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(
SSE2, Trans16x16HT,
::testing::Values(
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_c, 0, VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_c, 1, VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_c, 2, VPX_BITS_8),
make_tuple(&vp9_fht16x16_sse2, &vp9_iht16x16_256_add_c, 3,
VPX_BITS_8)));
// Optimizations take effect at a threshold of 3155, so we use a value close to
// that to test both branches.
INSTANTIATE_TEST_CASE_P(
SSE2, InvTrans16x16DCT,
::testing::Values(
make_tuple(&idct16x16_10_add_10_c,
&idct16x16_10_add_10_sse2, 3167, VPX_BITS_10),
make_tuple(&idct16x16_10,
&idct16x16_256_add_10_sse2, 3167, VPX_BITS_10),
make_tuple(&idct16x16_10_add_12_c,
&idct16x16_10_add_12_sse2, 3167, VPX_BITS_12),
make_tuple(&idct16x16_12,
&idct16x16_256_add_12_sse2, 3167, VPX_BITS_12)));
INSTANTIATE_TEST_CASE_P(SSE2, PartialTrans16x16Test,
::testing::Values(make_tuple(&vpx_fdct16x16_1_sse2,
VPX_BITS_8)));
#endif // HAVE_SSE2 && CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
#if HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
INSTANTIATE_TEST_CASE_P(
MSA, Trans16x16DCT,
::testing::Values(
make_tuple(&vpx_fdct16x16_msa,
&vpx_idct16x16_256_add_msa, 0, VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(
MSA, Trans16x16HT,
::testing::Values(
make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 0, VPX_BITS_8),
make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 1, VPX_BITS_8),
make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 2, VPX_BITS_8),
make_tuple(&vp9_fht16x16_msa, &vp9_iht16x16_256_add_msa, 3,
VPX_BITS_8)));
INSTANTIATE_TEST_CASE_P(MSA, PartialTrans16x16Test,
::testing::Values(make_tuple(&vpx_fdct16x16_1_msa,
VPX_BITS_8)));
#endif // HAVE_MSA && !CONFIG_VP9_HIGHBITDEPTH && !CONFIG_EMULATE_HARDWARE
} // namespace