/* * Copyright (c) 2016 Tiancheng "Timothy" Gu * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * FFmpeg 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with FFmpeg; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <string.h> #include "checkasm.h" #include "libavfilter/blend.h" #include "libavutil/common.h" #include "libavutil/internal.h" #include "libavutil/intreadwrite.h" #define WIDTH 256 #define HEIGHT 256 #define BUF_UNITS 3 #define SIZE_PER_UNIT (WIDTH * HEIGHT) #define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT) #define randomize_buffers() \ do { \ int i, j; \ for (i = 0; i < HEIGHT; i++) { \ for (j = 0; j < WIDTH; j++) { \ top1[i * WIDTH + j] = \ top2[i * WIDTH + j] = i; \ bot1[i * WIDTH + j] = \ bot2[i * WIDTH + j] = j; \ } \ } \ for (i = 0; i < SIZE_PER_UNIT; i += 4) { \ uint32_t r = rnd(); \ AV_WN32A(dst1 + i, r); \ AV_WN32A(dst2 + i, r); \ } \ for (; i < BUF_SIZE; i += 4) { \ uint32_t r = rnd(); \ AV_WN32A(top1 + i, r); \ AV_WN32A(top2 + i, r); \ r = rnd(); \ AV_WN32A(bot1 + i, r); \ AV_WN32A(bot2 + i, r); \ r = rnd(); \ AV_WN32A(dst1 + i, r); \ AV_WN32A(dst2 + i, r); \ } \ } while (0) #define check_blend_func() \ do { \ int i; \ declare_func(void, const uint8_t *top, ptrdiff_t top_linesize, \ const uint8_t *bottom, ptrdiff_t bottom_linesize, \ uint8_t *dst, ptrdiff_t dst_linesize, \ ptrdiff_t width, ptrdiff_t height, \ struct FilterParams *param, double *values); \ \ for (i = 0; i < BUF_UNITS - 1; i++) { \ int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */ \ int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \ randomize_buffers(); \ call_ref(top1 + src_offset, WIDTH, bot1 + src_offset, WIDTH, \ dst1 + dst_offset, WIDTH, WIDTH, HEIGHT, ¶m, NULL); \ call_new(top2 + src_offset, WIDTH, bot2 + src_offset, WIDTH, \ dst2 + dst_offset, WIDTH, WIDTH, HEIGHT, ¶m, NULL); \ if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \ fail(); \ } \ bench_new(top2, WIDTH / 4, bot2, WIDTH / 4, dst2, WIDTH / 4, \ WIDTH / 4, HEIGHT / 4, ¶m, NULL); \ } while (0) void checkasm_check_blend(void) { uint8_t *top1 = av_malloc(BUF_SIZE); uint8_t *top2 = av_malloc(BUF_SIZE); uint8_t *bot1 = av_malloc(BUF_SIZE); uint8_t *bot2 = av_malloc(BUF_SIZE); uint8_t *dst1 = av_malloc(BUF_SIZE); uint8_t *dst2 = av_malloc(BUF_SIZE); FilterParams param = { .opacity = 1.0, }; #define check_and_report(name, val) \ param.mode = val; \ ff_blend_init(¶m, 0); \ if (check_func(param.blend, #name)) \ check_blend_func(); check_and_report(addition, BLEND_ADDITION) check_and_report(addition128, BLEND_ADDITION128) check_and_report(and, BLEND_AND) check_and_report(average, BLEND_AVERAGE) check_and_report(darken, BLEND_DARKEN) check_and_report(difference128, BLEND_DIFFERENCE128) check_and_report(hardmix, BLEND_HARDMIX) check_and_report(lighten, BLEND_LIGHTEN) check_and_report(multiply, BLEND_MULTIPLY) check_and_report(or, BLEND_OR) check_and_report(phoenix, BLEND_PHOENIX) check_and_report(screen, BLEND_SCREEN) check_and_report(subtract, BLEND_SUBTRACT) check_and_report(xor, BLEND_XOR) check_and_report(difference, BLEND_DIFFERENCE) check_and_report(negation, BLEND_NEGATION) report("8bit"); av_freep(&top1); av_freep(&top2); av_freep(&bot1); av_freep(&bot2); av_freep(&dst1); av_freep(&dst2); }