1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 <stdio.h>
#include "libavutil/avassert.h"
#include "libavutil/internal.h"
#include "libavutil/log.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixelutils.c"
#include "libavutil/pixfmt.h"
#define W1 320
#define H1 240
#define W2 640
#define H2 480
static void check_pixfmt_descriptors(void)
{
const AVPixFmtDescriptor *d, *last = NULL;
int i;
for (i = AV_PIX_FMT_NONE, d = NULL; i++, d = av_pix_fmt_desc_next(d);) {
uint8_t fill[4][8 + 6 + 3] = {{ 0 }};
uint8_t *data[4] = { fill[0], fill[1], fill[2], fill[3] };
int linesize[4] = { 0, 0, 0, 0 };
uint16_t tmp[2];
av_assert0(d->name && d->name[0]);
av_log(NULL, AV_LOG_INFO, "Checking: %s\n", d->name);
av_assert0(d->log2_chroma_w <= 3);
av_assert0(d->log2_chroma_h <= 3);
av_assert0(d->nb_components <= 4);
av_assert0(d->nb_components || (d->flags & AV_PIX_FMT_FLAG_HWACCEL));
av_assert0(av_get_pix_fmt(d->name) == av_pix_fmt_desc_get_id(d));
/* The following two checks as well as the one after the loop
* would need to be changed if we changed the way the descriptors
* are stored. */
av_assert0(i == av_pix_fmt_desc_get_id(d));
av_assert0(!last || last + 1 == d);
for (int j = 0; j < FF_ARRAY_ELEMS(d->comp); j++) {
const AVComponentDescriptor *c = &d->comp[j];
if (j >= d->nb_components) {
av_assert0(!c->plane && !c->step && !c->offset && !c->shift && !c->depth);
continue;
}
if (d->flags & AV_PIX_FMT_FLAG_BITSTREAM) {
av_assert0(c->step >= c->depth);
} else {
av_assert0(8*c->step >= c->depth);
}
if (d->flags & AV_PIX_FMT_FLAG_BAYER)
continue;
av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
av_assert0(tmp[0] == 0 && tmp[1] == 0);
tmp[0] = tmp[1] = (1ULL << c->depth) - 1;
av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);
}
last = d;
}
av_assert0(i == AV_PIX_FMT_NB);
}
static int run_single_test(const char *test,
const uint8_t *block1, ptrdiff_t stride1,
const uint8_t *block2, ptrdiff_t stride2,
int align, int n)
{
int out, ref;
av_pixelutils_sad_fn f_ref = sad_c[n - 1];
av_pixelutils_sad_fn f_out = av_pixelutils_get_sad_fn(n, n, align, NULL);
switch (align) {
case 0: block1++; block2++; break;
case 1: block2++; break;
case 2: break;
}
out = f_out(block1, stride1, block2, stride2);
ref = f_ref(block1, stride1, block2, stride2);
printf("[%s] [%c%c] SAD [%s] %dx%d=%d ref=%d\n",
out == ref ? "OK" : "FAIL",
align ? 'A' : 'U', align == 2 ? 'A' : 'U',
test, 1<<n, 1<<n, out, ref);
return out != ref;
}
static int run_test(const char *test,
const uint8_t *b1, const uint8_t *b2)
{
int i, a, ret = 0;
for (a = 0; a < 3; a++) {
const uint8_t *block1 = b1;
const uint8_t *block2 = b2;
switch (a) {
case 0: block1++; block2++; break;
case 1: block2++; break;
case 2: break;
}
for (i = 1; i <= FF_ARRAY_ELEMS(sad_c); i++) {
int r = run_single_test(test, b1, W1, b2, W2, a, i);
if (r)
ret = r;
}
}
return ret;
}
int main(void)
{
int i, align, ret;
uint8_t *buf1 = av_malloc(W1*H1);
uint8_t *buf2 = av_malloc(W2*H2);
uint32_t state = 0;
if (!buf1 || !buf2) {
fprintf(stderr, "malloc failure\n");
ret = 1;
goto end;
}
check_pixfmt_descriptors();
#define RANDOM_INIT(buf, size) do { \
int k; \
for (k = 0; k < size; k++) { \
state = state * 1664525 + 1013904223; \
buf[k] = state>>24; \
} \
} while (0)
/* Normal test with different strides */
RANDOM_INIT(buf1, W1*H1);
RANDOM_INIT(buf2, W2*H2);
ret = run_test("random", buf1, buf2);
if (ret < 0)
goto end;
/* Check for maximum SAD */
memset(buf1, 0xff, W1*H1);
memset(buf2, 0x00, W2*H2);
ret = run_test("max", buf1, buf2);
if (ret < 0)
goto end;
/* Check for minimum SAD */
memset(buf1, 0x90, W1*H1);
memset(buf2, 0x90, W2*H2);
ret = run_test("min", buf1, buf2);
if (ret < 0)
goto end;
/* Exact buffer sizes, to check for overreads */
for (i = 1; i <= 5; i++) {
for (align = 0; align < 3; align++) {
int size1, size2;
av_freep(&buf1);
av_freep(&buf2);
size1 = size2 = 1 << (i << 1);
switch (align) {
case 0: size1++; size2++; break;
case 1: size2++; break;
case 2: break;
}
buf1 = av_malloc(size1);
buf2 = av_malloc(size2);
if (!buf1 || !buf2) {
fprintf(stderr, "malloc failure\n");
ret = 1;
goto end;
}
RANDOM_INIT(buf1, size1);
RANDOM_INIT(buf2, size2);
ret = run_single_test("small", buf1, 1<<i, buf2, 1<<i, align, i);
if (ret < 0)
goto end;
}
}
end:
av_free(buf1);
av_free(buf2);
return ret;
}
|
