git.sesse.net Git - ffmpeg/blob - tests/checkasm/vf_blend.c

   1 /*
   2  * Copyright (c) 2016 Tiancheng "Timothy" Gu
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include <string.h>
  22 #include "checkasm.h"
  23 #include "libavfilter/blend.h"
  24 #include "libavutil/common.h"
  25 #include "libavutil/internal.h"
  26 #include "libavutil/intreadwrite.h"
  27
  28 #define WIDTH 256
  29 #define HEIGHT 256
  30 #define BUF_UNITS 3
  31 #define SIZE_PER_UNIT (WIDTH * HEIGHT)
  32 #define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
  33
  34 #define randomize_buffers()                   \
  35     do {                                      \
  36         int i, j;                             \
  37         for (i = 0; i < HEIGHT; i++) {        \
  38             for (j = 0; j < WIDTH; j++) {     \
  39                 top1[i * WIDTH + j] =         \
  40                 top2[i * WIDTH + j] = i;      \
  41                 bot1[i * WIDTH + j] =         \
  42                 bot2[i * WIDTH + j] = j;      \
  43             }                                 \
  44         }                                     \
  45         for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
  46             uint32_t r = rnd();               \
  47             AV_WN32A(dst1 + i, r);            \
  48             AV_WN32A(dst2 + i, r);            \
  49         }                                     \
  50         for (; i < BUF_SIZE; i += 4) {        \
  51             uint32_t r = rnd();               \
  52             AV_WN32A(top1 + i, r);            \
  53             AV_WN32A(top2 + i, r);            \
  54             r = rnd();                        \
  55             AV_WN32A(bot1 + i, r);            \
  56             AV_WN32A(bot2 + i, r);            \
  57             r = rnd();                        \
  58             AV_WN32A(dst1 + i, r);            \
  59             AV_WN32A(dst2 + i, r);            \
  60         }                                     \
  61     } while (0)
  62
  63 #define check_blend_func()                                                                 \
  64     do {                                                                                   \
  65         int i;                                                                             \
  66         declare_func(void, const uint8_t *top, ptrdiff_t top_linesize,                     \
  67                      const uint8_t *bottom, ptrdiff_t bottom_linesize,                     \
  68                      uint8_t *dst, ptrdiff_t dst_linesize,                                 \
  69                      ptrdiff_t width, ptrdiff_t height,                                    \
  70                      struct FilterParams *param, double *values);                          \
  71                                                                                            \
  72         for (i = 0; i < BUF_UNITS - 1; i++) {                                              \
  73             int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */          \
  74             int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */                  \
  75             randomize_buffers();                                                           \
  76             call_ref(top1 + src_offset, WIDTH, bot1 + src_offset, WIDTH,                   \
  77                      dst1 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL);               \
  78             call_new(top2 + src_offset, WIDTH, bot2 + src_offset, WIDTH,                   \
  79                      dst2 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL);               \
  80             if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
  81                 fail();                                                                    \
  82         }                                                                                  \
  83         bench_new(top2, WIDTH / 4, bot2, WIDTH / 4, dst2, WIDTH / 4,                       \
  84                   WIDTH / 4, HEIGHT / 4, &param, NULL);                                    \
  85     } while (0)
  86
  87 void checkasm_check_blend(void)
  88 {
  89     uint8_t *top1 = av_malloc(BUF_SIZE);
  90     uint8_t *top2 = av_malloc(BUF_SIZE);
  91     uint8_t *bot1 = av_malloc(BUF_SIZE);
  92     uint8_t *bot2 = av_malloc(BUF_SIZE);
  93     uint8_t *dst1 = av_malloc(BUF_SIZE);
  94     uint8_t *dst2 = av_malloc(BUF_SIZE);
  95     FilterParams param = {
  96         .opacity = 1.0,
  97     };
  98
  99 #define check_and_report(name, val)               \
 100     param.mode = val;                             \
 101     ff_blend_init(&param, 0);                     \
 102     if (check_func(param.blend, #name))           \
 103         check_blend_func();
 104
 105     check_and_report(addition, BLEND_ADDITION)
 106     check_and_report(grainmerge, BLEND_GRAINMERGE)
 107     check_and_report(and, BLEND_AND)
 108     check_and_report(average, BLEND_AVERAGE)
 109     check_and_report(darken, BLEND_DARKEN)
 110     check_and_report(grainextract, BLEND_GRAINEXTRACT)
 111     check_and_report(hardmix, BLEND_HARDMIX)
 112     check_and_report(lighten, BLEND_LIGHTEN)
 113     check_and_report(multiply, BLEND_MULTIPLY)
 114     check_and_report(or, BLEND_OR)
 115     check_and_report(phoenix, BLEND_PHOENIX)
 116     check_and_report(screen, BLEND_SCREEN)
 117     check_and_report(subtract, BLEND_SUBTRACT)
 118     check_and_report(xor, BLEND_XOR)
 119     check_and_report(difference, BLEND_DIFFERENCE)
 120     check_and_report(extremity, BLEND_EXTREMITY)
 121     check_and_report(negation, BLEND_NEGATION)
 122
 123     report("8bit");
 124
 125     av_freep(&top1);
 126     av_freep(&top2);
 127     av_freep(&bot1);
 128     av_freep(&bot2);
 129     av_freep(&dst1);
 130     av_freep(&dst2);
 131 }