FFmpeg
vf_blend.c
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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"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
27 #include "libavutil/mem.h"
28 
29 #define WIDTH 256
30 #define HEIGHT 256
31 #define BUF_UNITS 3
32 #define SIZE_PER_UNIT (WIDTH * HEIGHT)
33 #define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
34 
35 #define randomize_buffers() \
36  do { \
37  int i, j; \
38  for (i = 0; i < HEIGHT; i++) { \
39  for (j = 0; j < WIDTH; j++) { \
40  top1[i * WIDTH + j] = \
41  top2[i * WIDTH + j] = i; \
42  bot1[i * WIDTH + j] = \
43  bot2[i * WIDTH + j] = j; \
44  } \
45  } \
46  for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
47  uint32_t r = rnd(); \
48  AV_WN32A(dst1 + i, r); \
49  AV_WN32A(dst2 + i, r); \
50  } \
51  for (; i < BUF_SIZE; i += 4) { \
52  uint32_t r = rnd(); \
53  AV_WN32A(top1 + i, r); \
54  AV_WN32A(top2 + i, r); \
55  r = rnd(); \
56  AV_WN32A(bot1 + i, r); \
57  AV_WN32A(bot2 + i, r); \
58  r = rnd(); \
59  AV_WN32A(dst1 + i, r); \
60  AV_WN32A(dst2 + i, r); \
61  } \
62  } while (0)
63 
64 #define check_blend_func(depth) \
65  do { \
66  int i, w; \
67  declare_func(void, const uint8_t *top, ptrdiff_t top_linesize, \
68  const uint8_t *bottom, ptrdiff_t bottom_linesize, \
69  uint8_t *dst, ptrdiff_t dst_linesize, \
70  ptrdiff_t width, ptrdiff_t height, \
71  struct FilterParams *param, struct SliceParams *sliceparam); \
72  w = WIDTH / depth; \
73  \
74  for (i = 0; i < BUF_UNITS - 1; i++) { \
75  int src_offset = i * SIZE_PER_UNIT + (BUF_UNITS - 1 - i) * depth; /* Test various alignments */ \
76  int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \
77  randomize_buffers(); \
78  call_ref(top1 + src_offset, w, bot1 + src_offset, w, \
79  dst1 + dst_offset, w, w, HEIGHT, &param, NULL); \
80  call_new(top2 + src_offset, w, bot2 + src_offset, w, \
81  dst2 + dst_offset, w, w, HEIGHT, &param, NULL); \
82  if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
83  fail(); \
84  } \
85  bench_new(top2, w / 4, bot2, w / 4, dst2, w / 4, \
86  w / 4, HEIGHT / 4, &param, NULL); \
87  } while (0)
88 
90 {
91  uint8_t *top1 = av_malloc(BUF_SIZE);
92  uint8_t *top2 = av_malloc(BUF_SIZE);
93  uint8_t *bot1 = av_malloc(BUF_SIZE);
94  uint8_t *bot2 = av_malloc(BUF_SIZE);
95  uint8_t *dst1 = av_malloc(BUF_SIZE);
96  uint8_t *dst2 = av_malloc(BUF_SIZE);
97  FilterParams param = {
98  .opacity = 1.0,
99  };
100 
101 #define check_and_report(name, val, depth) \
102  param.mode = val; \
103  ff_blend_init(&param, depth * 8); \
104  if (check_func(param.blend, #name)) \
105  check_blend_func(depth);
106 
107  check_and_report(addition, BLEND_ADDITION, 1)
108  check_and_report(grainmerge, BLEND_GRAINMERGE, 1)
109  check_and_report(and, BLEND_AND, 1)
110  check_and_report(average, BLEND_AVERAGE, 1)
111  check_and_report(darken, BLEND_DARKEN, 1)
112  check_and_report(grainextract, BLEND_GRAINEXTRACT, 1)
113  check_and_report(hardmix, BLEND_HARDMIX, 1)
114  check_and_report(lighten, BLEND_LIGHTEN, 1)
116  check_and_report(or, BLEND_OR, 1)
117  check_and_report(phoenix, BLEND_PHOENIX, 1)
118  check_and_report(screen, BLEND_SCREEN, 1)
119  check_and_report(subtract, BLEND_SUBTRACT, 1)
120  check_and_report(xor, BLEND_XOR, 1)
122  check_and_report(extremity, BLEND_EXTREMITY, 1)
123  check_and_report(negation, BLEND_NEGATION, 1)
124 
125  report("8bit");
126 
127  check_and_report(addition_16, BLEND_ADDITION, 2)
128  check_and_report(grainmerge_16, BLEND_GRAINMERGE, 2)
129  check_and_report(and_16, BLEND_AND, 2)
130  check_and_report(average_16, BLEND_AVERAGE, 2)
131  check_and_report(darken_16, BLEND_DARKEN, 2)
132  check_and_report(grainextract_16, BLEND_GRAINEXTRACT, 2)
133  check_and_report(difference_16, BLEND_DIFFERENCE, 2)
134  check_and_report(extremity_16, BLEND_EXTREMITY, 2)
135  check_and_report(negation_16, BLEND_NEGATION, 2)
136  check_and_report(lighten_16, BLEND_LIGHTEN, 2)
137  check_and_report(or_16, BLEND_OR, 2)
138  check_and_report(phoenix_16, BLEND_PHOENIX, 2)
139  check_and_report(subtract_16, BLEND_SUBTRACT, 2)
140  check_and_report(xor_16, BLEND_SUBTRACT, 2)
141 
142  report("16bit");
143 
144  av_freep(&top1);
145  av_freep(&top2);
146  av_freep(&bot1);
147  av_freep(&bot2);
148  av_freep(&dst1);
149  av_freep(&dst2);
150 }
checkasm_check_blend
void checkasm_check_blend(void)
Definition: vf_blend.c:89
BLEND_NEGATION
@ BLEND_NEGATION
Definition: blend.h:43
BLEND_ADDITION
@ BLEND_ADDITION
Definition: blend.h:30
av_malloc
#define av_malloc(s)
Definition: tableprint_vlc.h:30
check_and_report
#define check_and_report(name, val, depth)
BLEND_PHOENIX
@ BLEND_PHOENIX
Definition: blend.h:46
checkasm.h
vf_blend_init.h
BLEND_AND
@ BLEND_AND
Definition: blend.h:31
intreadwrite.h
BLEND_OR
@ BLEND_OR
Definition: blend.h:44
BLEND_SCREEN
@ BLEND_SCREEN
Definition: blend.h:49
multiply
static SoftFloat_IEEE754 multiply(SoftFloat_IEEE754 a, SoftFloat_IEEE754 b)
multiply two softfloats and handle the rounding off
Definition: alsdec.c:1398
BLEND_EXTREMITY
@ BLEND_EXTREMITY
Definition: blend.h:61
BLEND_MULTIPLY
@ BLEND_MULTIPLY
Definition: blend.h:42
difference
static void difference(IPlane *g, IPlane *f, int y0, int y1)
Definition: vf_morpho.c:495
BLEND_SUBTRACT
@ BLEND_SUBTRACT
Definition: blend.h:51
FilterParams
filter data
Definition: mlp.h:86
BLEND_LIGHTEN
@ BLEND_LIGHTEN
Definition: blend.h:41
BUF_SIZE
#define BUF_SIZE
Definition: vf_blend.c:33
report
#define report
Definition: checkasm.h:203
internal.h
common.h
BLEND_DIFFERENCE
@ BLEND_DIFFERENCE
Definition: blend.h:35
BLEND_HARDMIX
@ BLEND_HARDMIX
Definition: blend.h:54
BLEND_GRAINMERGE
@ BLEND_GRAINMERGE
Definition: blend.h:57
BLEND_XOR
@ BLEND_XOR
Definition: blend.h:53
mem.h
BLEND_DARKEN
@ BLEND_DARKEN
Definition: blend.h:34
BLEND_AVERAGE
@ BLEND_AVERAGE
Definition: blend.h:32
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:34
FilterParams::opacity
double opacity
Definition: blend.h:80
BLEND_GRAINEXTRACT
@ BLEND_GRAINEXTRACT
Definition: blend.h:36