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
|
/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h> /* for memset() */
#include <unistd.h>
#include <stdlib.h>
#include <inttypes.h>
#include "swscale.h"
#include "rgb2rgb.h"
#include "libavutil/mem.h"
#define SIZE 1000
#define srcByte 0x55
#define dstByte 0xBB
#define FUNC(s, d, n) { s, d, #n, n }
int main(void)
{
int i, funcNum;
uint8_t *srcBuffer = av_malloc(SIZE);
uint8_t *dstBuffer = av_malloc(SIZE);
int failedNum = 0;
int passedNum = 0;
if (!srcBuffer || !dstBuffer)
return -1;
av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
sws_rgb2rgb_init();
for (funcNum = 0; ; funcNum++) {
struct func_info_s {
int src_bpp;
int dst_bpp;
const char *name;
void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
} func_info[] = {
FUNC(2, 2, rgb15to16),
FUNC(2, 3, rgb15to24),
FUNC(2, 4, rgb15to32),
FUNC(2, 3, rgb16to24),
FUNC(2, 4, rgb16to32),
FUNC(3, 2, rgb24to15),
FUNC(3, 2, rgb24to16),
FUNC(3, 4, rgb24to32),
FUNC(4, 2, rgb32to15),
FUNC(4, 2, rgb32to16),
FUNC(4, 3, rgb32to24),
FUNC(2, 2, rgb16to15),
FUNC(2, 2, rgb15tobgr15),
FUNC(2, 2, rgb15tobgr16),
FUNC(2, 3, rgb15tobgr24),
FUNC(2, 4, rgb15tobgr32),
FUNC(2, 2, rgb16tobgr15),
FUNC(2, 2, rgb16tobgr16),
FUNC(2, 3, rgb16tobgr24),
FUNC(2, 4, rgb16tobgr32),
FUNC(3, 2, rgb24tobgr15),
FUNC(3, 2, rgb24tobgr16),
FUNC(3, 3, rgb24tobgr24),
FUNC(3, 4, rgb24tobgr32),
FUNC(4, 2, rgb32tobgr15),
FUNC(4, 2, rgb32tobgr16),
FUNC(4, 3, rgb32tobgr24),
FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
FUNC(0, 0, NULL)
};
int width;
int failed = 0;
int srcBpp = 0;
int dstBpp = 0;
if (!func_info[funcNum].func)
break;
av_log(NULL, AV_LOG_INFO, ".");
memset(srcBuffer, srcByte, SIZE);
for (width = 63; width > 0; width--) {
int dstOffset;
for (dstOffset = 128; dstOffset < 196; dstOffset += 4) {
int srcOffset;
memset(dstBuffer, dstByte, SIZE);
for (srcOffset = 128; srcOffset < 196; srcOffset += 4) {
uint8_t *src = srcBuffer + srcOffset;
uint8_t *dst = dstBuffer + dstOffset;
const char *name = NULL;
// don't fill the screen with shit ...
if (failed)
break;
srcBpp = func_info[funcNum].src_bpp;
dstBpp = func_info[funcNum].dst_bpp;
name = func_info[funcNum].name;
func_info[funcNum].func(src, dst, width * srcBpp);
if (!srcBpp)
break;
for (i = 0; i < SIZE; i++) {
if (srcBuffer[i] != srcByte) {
av_log(NULL, AV_LOG_INFO,
"src damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
for (i = 0; i < dstOffset; i++) {
if (dstBuffer[i] != dstByte) {
av_log(NULL, AV_LOG_INFO,
"dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
for (i = dstOffset + width * dstBpp; i < SIZE; i++) {
if (dstBuffer[i] != dstByte) {
av_log(NULL, AV_LOG_INFO,
"dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
}
}
}
if (failed)
failedNum++;
else if (srcBpp)
passedNum++;
}
av_log(NULL, AV_LOG_INFO,
"\n%d converters passed, %d converters randomly overwrote memory\n",
passedNum, failedNum);
return failedNum;
}
|
