mirror of
https://github.com/ultravideo/uvg266.git
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246 lines
6.8 KiB
C
246 lines
6.8 KiB
C
/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1 as
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* published by the Free Software Foundation.
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*
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* Kvazaar is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "greatest/greatest.h"
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#include "test_strategies.h"
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#include "src/image.h"
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#include <math.h>
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#include <stdlib.h>
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//////////////////////////////////////////////////////////////////////////
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// MACROS
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#define NUM_TESTS 12
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#define NUM_SIZES 5
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#define LCU_MAX_LOG_W 5
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#define LCU_MIN_LOG_W 2
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//////////////////////////////////////////////////////////////////////////
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// GLOBALS
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static int16_t * dct_bufs[NUM_TESTS] = { 0 }; // SIMD aligned pointers.
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static int16_t * dct_actual_bufs[NUM_TESTS] = { 0 }; // pointers returned by malloc.
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static int16_t dct_result[NUM_SIZES][LCU_WIDTH*LCU_WIDTH] = { { 0 } };
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static int16_t idct_result[NUM_SIZES][LCU_WIDTH*LCU_WIDTH] = { { 0 } };
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static struct test_env_t {
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int log_width; // for selecting dim from bufs
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dct_func * tested_func;
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const strategy_t * strategy;
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char msg[1024];
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} test_env;
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//////////////////////////////////////////////////////////////////////////
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// SETUP, TEARDOWN AND HELPER FUNCTIONS
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static void init_gradient(int x_px, int y_px, int width, int slope, int16_t *buf)
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{
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for (int y = 0; y < width; ++y) {
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for (int x = 0; x < width; ++x) {
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int diff_x = x_px - x;
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int diff_y = y_px - y;
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int val = slope * sqrt(diff_x * diff_x + diff_y * diff_y) + 0.5;
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buf[y * width + x] = CLIP(0, 255, val);
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}
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}
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}
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static void setup_tests()
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{
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for (int test = 0; test < NUM_TESTS; ++test) {
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dct_actual_bufs[test] = malloc(LCU_WIDTH*LCU_WIDTH*sizeof(int16_t) + SIMD_ALIGNMENT);
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dct_bufs[test] = ALIGNED_POINTER(dct_actual_bufs[test], SIMD_ALIGNMENT);
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}
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for (int test = 0; test < NUM_TESTS; ++test) {
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const int width = LCU_WIDTH;
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init_gradient(width, width, width, 255 / width, dct_bufs[test]);
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}
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// Select buffer width according to function name for dct function.
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int block = 0;
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for (int s = 0; s < strategies.count && block < NUM_SIZES; ++s)
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{
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strategy_t *strat = &strategies.strategies[s];
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dct_func* dct_generic = 0;
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if (
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(
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strcmp(strat->type, "fast_forward_dst_4x4") == 0 ||
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strcmp(strat->type, "dct_4x4") == 0 ||
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strcmp(strat->type, "dct_8x8") == 0 ||
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strcmp(strat->type, "dct_16x16") == 0 ||
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strcmp(strat->type, "dct_32x32") == 0
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)
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&&
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strcmp(strat->strategy_name, "generic") == 0
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)
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{
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dct_generic = strat->fptr;
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dct_generic(KVZ_BIT_DEPTH, dct_bufs[block], dct_result[block]);
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++block;
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}
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}
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block = 0;
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for (int s = 0; s < strategies.count && block < NUM_SIZES; ++s)
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{
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strategy_t *strat = &strategies.strategies[s];
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dct_func* idct_generic = 0;
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if (
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(
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strcmp(strat->type, "fast_inverse_dst_4x4") == 0 ||
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strcmp(strat->type, "idct_4x4") == 0 ||
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strcmp(strat->type, "idct_8x8") == 0 ||
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strcmp(strat->type, "idct_16x16") == 0 ||
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strcmp(strat->type, "idct_32x32") == 0
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)
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&&
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strcmp(strat->strategy_name, "generic") == 0
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)
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{
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idct_generic = strat->fptr;
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idct_generic(KVZ_BIT_DEPTH, dct_bufs[block], idct_result[block]);
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++block;
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}
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}
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}
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static void tear_down_tests()
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{
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for (int test = 0; test < NUM_TESTS; ++test) {
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free(dct_actual_bufs[test]);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// TESTS
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TEST dct(void)
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{
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int index = test_env.log_width - 1;
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if (strcmp(test_env.strategy->type, "fast_forward_dst_4x4") == 0) index = 0;
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int16_t *buf = dct_bufs[index];
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int16_t test_result[LCU_WIDTH*LCU_WIDTH] = { 0 };
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test_env.tested_func(KVZ_BIT_DEPTH, buf, test_result);
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for (int i = 0; i < LCU_WIDTH*LCU_WIDTH; ++i){
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ASSERT_EQ(test_result[i], dct_result[index][i]);
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}
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PASS();
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}
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TEST idct(void)
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{
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int index = test_env.log_width - 1;
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if (strcmp(test_env.strategy->type, "fast_inverse_dst_4x4") == 0) index = 0;
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int16_t *buf = dct_bufs[index];
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int16_t test_result[LCU_WIDTH*LCU_WIDTH] = { 0 };
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test_env.tested_func(KVZ_BIT_DEPTH, buf, test_result);
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for (int i = 0; i < LCU_WIDTH*LCU_WIDTH; ++i){
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ASSERT_EQ(test_result[i], idct_result[index][i]);
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}
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PASS();
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}
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//////////////////////////////////////////////////////////////////////////
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// TEST FIXTURES
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SUITE(dct_tests)
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{
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//SET_SETUP(sad_setup);
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//SET_TEARDOWN(sad_teardown);
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setup_tests();
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// Loop through all strategies picking out the intra sad ones and run
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// select strategies though all tests
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for (unsigned i = 0; i < strategies.count; ++i) {
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const strategy_t * strategy = &strategies.strategies[i];
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// Select buffer width according to function name for dct function.
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if (strcmp(strategy->type, "fast_forward_dst_4x4") == 0) {
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test_env.log_width = 2;
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}
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else if (strcmp(strategy->type, "dct_4x4") == 0) {
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test_env.log_width = 2;
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}
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else if (strcmp(strategy->type, "dct_8x8") == 0) {
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test_env.log_width = 3;
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}
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else if (strcmp(strategy->type, "dct_16x16") == 0) {
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test_env.log_width = 4;
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}
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else if (strcmp(strategy->type, "dct_32x32") == 0) {
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test_env.log_width = 5;
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}
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else if (strcmp(strategy->type, "fast_inverse_dst_4x4") == 0) {
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test_env.log_width = 2;
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}
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else if (strcmp(strategy->type, "idct_4x4") == 0) {
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test_env.log_width = 2;
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}
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else if (strcmp(strategy->type, "idct_8x8") == 0) {
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test_env.log_width = 3;
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}
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else if (strcmp(strategy->type, "idct_16x16") == 0) {
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test_env.log_width = 4;
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}
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else if (strcmp(strategy->type, "idct_32x32") == 0) {
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test_env.log_width = 5;
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}
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else {
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test_env.log_width = 0;
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}
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test_env.tested_func = strategies.strategies[i].fptr;
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test_env.strategy = strategy;
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// Call different tests depending on type of function.
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// This allows for selecting a subset of tests with -t parameter.
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if (strncmp(strategy->type, "dct_", 4) == 0 ||
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strcmp(strategy->type, "fast_forward_dst_4x4") == 0)
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{
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RUN_TEST(dct);
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}
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else if (strncmp(strategy->type, "idct_", 4) == 0 ||
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strcmp(strategy->type, "fast_inverse_dst_4x4") == 0)
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{
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RUN_TEST(idct);
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}
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}
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tear_down_tests();
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}
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