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215 lines
6.6 KiB
C
215 lines
6.6 KiB
C
/*****************************************************************************
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* This file is part of uvg266 VVC encoder.
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*
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* Copyright (c) 2021, Tampere University, ITU/ISO/IEC, project contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* * Neither the name of the Tampere University or ITU/ISO/IEC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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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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//////////////////////////////////////////////////////////////////////////
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// MACROS
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#define NUM_TESTS 3
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#define LCU_MAX_LOG_W 6
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#define LCU_MIN_LOG_W 2
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//////////////////////////////////////////////////////////////////////////
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// GLOBALS
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static uvg_pixel * satd_bufs[NUM_TESTS][7][2];
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static struct {
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int log_width; // for selecting dim from satd_bufs
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cost_pixel_nxn_func * tested_func;
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} satd_test_env;
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//////////////////////////////////////////////////////////////////////////
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// SETUP, TEARDOWN AND HELPER FUNCTIONS
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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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for (int w = 0; w <= LCU_MIN_LOG_W; ++w) {
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satd_bufs[test][w][0] = NULL;
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satd_bufs[test][w][1] = NULL;
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}
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for (int w = LCU_MIN_LOG_W; w <= LCU_MAX_LOG_W; ++w) {
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unsigned size = 1 << (w * 2);
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satd_bufs[test][w][0] = malloc(size * sizeof(uvg_pixel));
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satd_bufs[test][w][1] = malloc(size * sizeof(uvg_pixel));
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}
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}
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//Black and white buffers
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int test = 0;
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for (int w = LCU_MIN_LOG_W; w <= LCU_MAX_LOG_W; ++w) {
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unsigned size = 1 << (w * 2);
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FILL_ARRAY(satd_bufs[test][w][0], 0, size);
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FILL_ARRAY(satd_bufs[test][w][1], 255, size);
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}
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//Checker patterns, buffer 1 is negative of buffer 2
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test = 1;
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for (int w = LCU_MIN_LOG_W; w <= LCU_MAX_LOG_W; ++w) {
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unsigned size = 1 << (w * 2);
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for (int i = 0; i < size; ++i){
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satd_bufs[test][w][0][i] = 255 * ( ( ((i >> w)%2) + (i % 2) ) % 2);
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satd_bufs[test][w][1][i] = (satd_bufs[test][w][0][i] + 1) % 2 ;
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}
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}
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//Gradient test pattern
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test = 2;
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for (int w = LCU_MIN_LOG_W; w <= LCU_MAX_LOG_W; ++w) {
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unsigned size = 1 << (w * 2);
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for (int i = 0; i < size; ++i){
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int column = (i % (1 << w) );
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int row = (i / (1 << w) );
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int r = sqrt(row * row + column * column);
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satd_bufs[test][w][0][i] = 255 / (r + 1);
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satd_bufs[test][w][1][i] = 255 - 255 / (r + 1);
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}
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}
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}
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static void satd_tear_down_tests()
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{
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for (int test = 0; test < NUM_TESTS; ++test) {
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for (int log_width = 2; log_width <= 6; ++log_width) {
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free(satd_bufs[test][log_width][0]);
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free(satd_bufs[test][log_width][1]);
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// TESTS
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TEST satd_test_black_and_white(void)
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{
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const int satd_results[5] = {510, 1020, 4080, 16320, 65280};
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const int test = 0;
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uvg_pixel * buf1 = satd_bufs[test][satd_test_env.log_width][0];
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uvg_pixel * buf2 = satd_bufs[test][satd_test_env.log_width][1];
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unsigned result1 = satd_test_env.tested_func(buf1, buf2);
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unsigned result2 = satd_test_env.tested_func(buf2, buf1);
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ASSERT_EQ(result1, result2);
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ASSERT_EQ(result1, satd_results[satd_test_env.log_width - 2]);
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PASS();
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}
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TEST satd_test_checkers(void)
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{
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const int satd_checkers_results[5] = { 1278, 2556, 10224, 40896, 163584 };
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const int test = 1;
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uvg_pixel * buf1 = satd_bufs[test][satd_test_env.log_width][0];
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uvg_pixel * buf2 = satd_bufs[test][satd_test_env.log_width][1];
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unsigned result1 = satd_test_env.tested_func(buf1, buf2);
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unsigned result2 = satd_test_env.tested_func(buf2, buf1);
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ASSERT_EQ(result1, result2);
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ASSERT_EQ(result1, satd_checkers_results[satd_test_env.log_width - 2]);
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PASS();
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}
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TEST satd_test_gradient(void)
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{
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const int satd_gradient_results[5] = {2728,7158,10775,23399,72780};
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const int test = 2;
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uvg_pixel * buf1 = satd_bufs[test][satd_test_env.log_width][0];
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uvg_pixel * buf2 = satd_bufs[test][satd_test_env.log_width][1];
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unsigned result1 = satd_test_env.tested_func(buf1, buf2);
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unsigned result2 = satd_test_env.tested_func(buf2, buf1);
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ASSERT_EQ(result1, result2);
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ASSERT_EQ(result1, satd_gradient_results[satd_test_env.log_width - 2]);
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PASS();
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}
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//////////////////////////////////////////////////////////////////////////
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// TEST FIXTURES
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SUITE(satd_tests)
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{
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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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// selectec strategies though all tests.
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for (volatile unsigned i = 0; i < strategies.count; ++i) {
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const char * type = strategies.strategies[i].type;
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if (strcmp(type, "satd_4x4") == 0) {
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satd_test_env.log_width = 2;
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}
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else if (strcmp(type, "satd_8x8") == 0) {
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satd_test_env.log_width = 3;
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}
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else if (strcmp(type, "satd_16x16") == 0) {
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satd_test_env.log_width = 4;
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}
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else if (strcmp(type, "satd_32x32") == 0) {
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satd_test_env.log_width = 5;
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}
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else if (strcmp(type, "satd_64x64") == 0) {
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satd_test_env.log_width = 6;
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}
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else {
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continue;
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}
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satd_test_env.tested_func = strategies.strategies[i].fptr;
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// Tests
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RUN_TEST(satd_test_black_and_white);
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RUN_TEST(satd_test_checkers);
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RUN_TEST(satd_test_gradient);
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}
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satd_tear_down_tests();
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}
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