2 * Copyright (c) 2016 Tiancheng "Timothy" Gu
4 * This file is part of FFmpeg.
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.
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.
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.
23 #include "libavfilter/blend.h"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
31 #define SIZE_PER_UNIT (WIDTH * HEIGHT)
32 #define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
34 #define randomize_buffers() \
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; \
45 for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
47 AV_WN32A(dst1 + i, r); \
48 AV_WN32A(dst2 + i, r); \
50 for (; i < BUF_SIZE; i += 4) { \
52 AV_WN32A(top1 + i, r); \
53 AV_WN32A(top2 + i, r); \
55 AV_WN32A(bot1 + i, r); \
56 AV_WN32A(bot2 + i, r); \
58 AV_WN32A(dst1 + i, r); \
59 AV_WN32A(dst2 + i, r); \
63 #define check_blend_func() \
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); \
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, ¶m, NULL); \
78 call_new(top2 + src_offset, WIDTH, bot2 + src_offset, WIDTH, \
79 dst2 + dst_offset, WIDTH, WIDTH, HEIGHT, ¶m, NULL); \
80 if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
83 bench_new(top2, WIDTH / 4, bot2, WIDTH / 4, dst2, WIDTH / 4, \
84 WIDTH / 4, HEIGHT / 4, ¶m, NULL); \
87 void checkasm_check_blend(void)
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 = {
99 #define check_and_report(name, val) \
101 ff_blend_init(¶m, 0); \
102 if (check_func(param.blend, #name)) \
105 check_and_report(addition, BLEND_ADDITION)
106 check_and_report(addition128, BLEND_ADDITION128)
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(difference128, BLEND_DIFFERENCE128)
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(negation, BLEND_NEGATION)