uvg266/tests/mts_tests.c

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/*****************************************************************************
* This file is part of Kvazaar HEVC encoder.
*
* Copyright (C) 2013-2015 Tampere University of Technology and others (see
* COPYING file).
*
* Kvazaar is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1 as
* published by the Free Software Foundation.
*
* Kvazaar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "greatest/greatest.h"
#include "test_strategies.h"
#include "src/image.h"
#include <math.h>
#include <stdlib.h>
//////////////////////////////////////////////////////////////////////////
// MACROS
#define NUM_SIZES 4
#define LCU_MAX_LOG_W 5
#define LCU_MIN_LOG_W 2
#define NUM_TRANSFORM 4
#define NUM_TESTS NUM_TRANSFORM*NUM_SIZES
//////////////////////////////////////////////////////////////////////////
// GLOBALS
static int16_t * dct_bufs[NUM_TESTS] = { 0 }; // SIMD aligned pointers.
static int16_t * dct_actual_bufs[NUM_TESTS] = { 0 }; // pointers returned by malloc.
static int16_t dct_result[NUM_TRANSFORM][NUM_SIZES][LCU_WIDTH*LCU_WIDTH] = { { 0 } };
static int16_t idct_result[NUM_TRANSFORM][NUM_SIZES][LCU_WIDTH*LCU_WIDTH] = { { 0 } };
static struct test_env_t {
int log_width; // for selecting dim from bufs
mts_dct_func* tested_func;
const strategy_t * strategy;
char msg[1024];
} test_env;
//////////////////////////////////////////////////////////////////////////
// SETUP, TEARDOWN AND HELPER FUNCTIONS
static void init_gradient(int x_px, int y_px, int width, int slope, int16_t *buf)
{
for (int y = 0; y < width; ++y) {
for (int x = 0; x < width; ++x) {
int diff_x = x_px - x;
int diff_y = y_px - y;
int val = slope * sqrt(diff_x * diff_x + diff_y * diff_y) + 0.5;
buf[y * width + x] = CLIP(0, 255, val);
}
}
}
static void setup_tests()
{
for (int test = 0; test < NUM_TESTS; ++test) {
dct_actual_bufs[test] = malloc(LCU_WIDTH*LCU_WIDTH*sizeof(int16_t) + SIMD_ALIGNMENT);
dct_bufs[test] = ALIGNED_POINTER(dct_actual_bufs[test], SIMD_ALIGNMENT);
}
for (int test = 0; test < NUM_TESTS; ++test) {
const int width = LCU_WIDTH;
init_gradient(width, width, width, 255 / width, dct_bufs[test]);
}
// Select buffer width according to function name for dct function.
int block = 0;
for (int s = 0; s < strategies.count; ++s)
{
strategy_t *strat = &strategies.strategies[s];
mts_dct_func* mts_generic = 0;
if (strcmp(strat->type, "mts_dct") == 0 &&
strcmp(strat->strategy_name, "generic") == 0)
{
mts_generic = strat->fptr;
for (block = 0; block < NUM_SIZES; block++) {
for (int trafo = 0; trafo < NUM_TRANSFORM; trafo++) {
cu_info_t tu;
tu.type = CU_INTRA;
tu.tr_idx = MTS_DST7_DST7 + trafo;
mts_generic(KVZ_BIT_DEPTH, COLOR_Y, &tu, 1 << (LCU_MIN_LOG_W + block), dct_bufs[trafo*NUM_SIZES+block], dct_result[trafo][block], KVZ_MTS_BOTH);
}
}
}
}
block = 0;
for (int s = 0; s < strategies.count; ++s)
{
strategy_t *strat = &strategies.strategies[s];
mts_idct_func* idct_generic = 0;
if (strcmp(strat->type, "mts_idct") == 0 &&
strcmp(strat->strategy_name, "generic") == 0)
{
idct_generic = strat->fptr;
for (block = 0; block < NUM_SIZES; block++) {
for (int trafo = 0; trafo < NUM_TRANSFORM; trafo++) {
cu_info_t tu;
tu.type = CU_INTRA;
tu.tr_idx = MTS_DST7_DST7 + trafo;
idct_generic(KVZ_BIT_DEPTH, COLOR_Y, &tu, 1 << (LCU_MIN_LOG_W + block), dct_bufs[trafo * NUM_SIZES + block], idct_result[trafo][block], KVZ_MTS_BOTH);
}
}
}
}
}
static void tear_down_tests()
{
for (int test = 0; test < NUM_TESTS; ++test) {
free(dct_actual_bufs[test]);
}
}
//////////////////////////////////////////////////////////////////////////
// TESTS
TEST dct(void)
{
char testname[100];
for (int blocksize = 0; blocksize < NUM_SIZES; blocksize++) {
for (int trafo = 0; trafo < NUM_TRANSFORM; trafo++) {
sprintf(testname, "Block: %d x %d, trafo: %d", 1 << (LCU_MIN_LOG_W + blocksize), 1 << (LCU_MIN_LOG_W + blocksize), trafo);
cu_info_t tu;
tu.type = CU_INTRA;
tu.tr_idx = MTS_DST7_DST7 + trafo;
int16_t* buf = dct_bufs[trafo * NUM_SIZES + blocksize];
ALIGNED(32) int16_t test_result[LCU_WIDTH * LCU_WIDTH] = { 0 };
test_env.tested_func(KVZ_BIT_DEPTH, COLOR_Y, &tu, 1 << (LCU_MIN_LOG_W + blocksize), buf, test_result, KVZ_MTS_BOTH);
for (int i = 0; i < LCU_WIDTH * LCU_WIDTH; ++i) {
ASSERT_EQm(testname, test_result[i], dct_result[trafo][blocksize][i]);
}
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//fprintf(stderr, "PASS: %s\r\n", testname);
}
}
PASS();
}
TEST idct(void)
{
char testname[100];
for (int blocksize = 0; blocksize < NUM_SIZES; blocksize++) {
for (int trafo = 0; trafo < NUM_TRANSFORM; trafo++) {
sprintf(testname, "Block: %d x %d, trafo: %d", 1 << (LCU_MIN_LOG_W + blocksize), 1 << (LCU_MIN_LOG_W + blocksize), trafo);
cu_info_t tu;
tu.type = CU_INTRA;
tu.tr_idx = MTS_DST7_DST7 + trafo;
int16_t* buf = dct_bufs[trafo * NUM_SIZES + blocksize];
ALIGNED(32) int16_t test_result[LCU_WIDTH * LCU_WIDTH] = { 0 };
test_env.tested_func(KVZ_BIT_DEPTH, COLOR_Y, &tu, 1 << (LCU_MIN_LOG_W + blocksize), buf, test_result, KVZ_MTS_BOTH);
for (int i = 0; i < LCU_WIDTH * LCU_WIDTH; ++i) {
ASSERT_EQm(testname, test_result[i], idct_result[trafo][blocksize][i]);
}
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//fprintf(stderr, "PASS: %s\r\n", testname);
}
}
PASS();
}
//////////////////////////////////////////////////////////////////////////
// TEST FIXTURES
SUITE(mts_tests)
{
//SET_SETUP(sad_setup);
//SET_TEARDOWN(sad_teardown);
setup_tests();
// Loop through all strategies picking out the intra sad ones and run
// select strategies though all tests
for (volatile unsigned i = 0; i < strategies.count; ++i) {
const strategy_t * strategy = &strategies.strategies[i];
test_env.tested_func = strategies.strategies[i].fptr;
test_env.strategy = strategy;
// Call different tests depending on type of function.
// This allows for selecting a subset of tests with -t parameter.
if (strcmp(strategy->type, "mts_dct") == 0)
{
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//fprintf(stderr, "Test: %s\r\n", strategy->strategy_name);
RUN_TEST(dct);
}
else if (strcmp(strategy->type, "mts_idct") == 0)
{
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//fprintf(stderr, "Test: %s\r\n", strategy->strategy_name);
RUN_TEST(idct);
}
}
tear_down_tests();
}