Split global .gitignore file into per-directory files
[libav.git] / libswscale / colorspace-test.c
1 /*
2 * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <stdio.h>
22 #include <string.h> /* for memset() */
23 #include <stdlib.h>
24 #include <inttypes.h>
25
26 #include "swscale.h"
27 #include "rgb2rgb.h"
28 #include "libavutil/mem.h"
29
30 #define SIZE 1000
31 #define srcByte 0x55
32 #define dstByte 0xBB
33
34 #define FUNC(s, d, n) { s, d, #n, n }
35
36 int main(void)
37 {
38 int i, funcNum;
39 uint8_t *srcBuffer = av_malloc(SIZE);
40 uint8_t *dstBuffer = av_malloc(SIZE);
41 int failedNum = 0;
42 int passedNum = 0;
43
44 if (!srcBuffer || !dstBuffer)
45 return -1;
46
47 av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
48 sws_rgb2rgb_init();
49
50 for (funcNum = 0; ; funcNum++) {
51 struct func_info_s {
52 int src_bpp;
53 int dst_bpp;
54 const char *name;
55 void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
56 } func_info[] = {
57 FUNC(2, 2, rgb15to16),
58 FUNC(2, 3, rgb15to24),
59 FUNC(2, 4, rgb15to32),
60 FUNC(2, 3, rgb16to24),
61 FUNC(2, 4, rgb16to32),
62 FUNC(3, 2, rgb24to15),
63 FUNC(3, 2, rgb24to16),
64 FUNC(3, 4, rgb24to32),
65 FUNC(4, 2, rgb32to15),
66 FUNC(4, 2, rgb32to16),
67 FUNC(4, 3, rgb32to24),
68 FUNC(2, 2, rgb16to15),
69 FUNC(2, 2, rgb15tobgr15),
70 FUNC(2, 2, rgb15tobgr16),
71 FUNC(2, 3, rgb15tobgr24),
72 FUNC(2, 4, rgb15tobgr32),
73 FUNC(2, 2, rgb16tobgr15),
74 FUNC(2, 2, rgb16tobgr16),
75 FUNC(2, 3, rgb16tobgr24),
76 FUNC(2, 4, rgb16tobgr32),
77 FUNC(3, 2, rgb24tobgr15),
78 FUNC(3, 2, rgb24tobgr16),
79 FUNC(3, 3, rgb24tobgr24),
80 FUNC(3, 4, rgb24tobgr32),
81 FUNC(4, 2, rgb32tobgr15),
82 FUNC(4, 2, rgb32tobgr16),
83 FUNC(4, 3, rgb32tobgr24),
84 FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
85 FUNC(0, 0, NULL)
86 };
87 int width;
88 int failed = 0;
89 int srcBpp = 0;
90 int dstBpp = 0;
91
92 if (!func_info[funcNum].func)
93 break;
94
95 av_log(NULL, AV_LOG_INFO, ".");
96 memset(srcBuffer, srcByte, SIZE);
97
98 for (width = 63; width > 0; width--) {
99 int dstOffset;
100 for (dstOffset = 128; dstOffset < 196; dstOffset += 4) {
101 int srcOffset;
102 memset(dstBuffer, dstByte, SIZE);
103
104 for (srcOffset = 128; srcOffset < 196; srcOffset += 4) {
105 uint8_t *src = srcBuffer + srcOffset;
106 uint8_t *dst = dstBuffer + dstOffset;
107 const char *name = NULL;
108
109 // don't fill the screen with shit ...
110 if (failed)
111 break;
112
113 srcBpp = func_info[funcNum].src_bpp;
114 dstBpp = func_info[funcNum].dst_bpp;
115 name = func_info[funcNum].name;
116
117 func_info[funcNum].func(src, dst, width * srcBpp);
118
119 if (!srcBpp)
120 break;
121
122 for (i = 0; i < SIZE; i++) {
123 if (srcBuffer[i] != srcByte) {
124 av_log(NULL, AV_LOG_INFO,
125 "src damaged at %d w:%d src:%d dst:%d %s\n",
126 i, width, srcOffset, dstOffset, name);
127 failed = 1;
128 break;
129 }
130 }
131 for (i = 0; i < dstOffset; i++) {
132 if (dstBuffer[i] != dstByte) {
133 av_log(NULL, AV_LOG_INFO,
134 "dst damaged at %d w:%d src:%d dst:%d %s\n",
135 i, width, srcOffset, dstOffset, name);
136 failed = 1;
137 break;
138 }
139 }
140 for (i = dstOffset + width * dstBpp; i < SIZE; i++) {
141 if (dstBuffer[i] != dstByte) {
142 av_log(NULL, AV_LOG_INFO,
143 "dst damaged at %d w:%d src:%d dst:%d %s\n",
144 i, width, srcOffset, dstOffset, name);
145 failed = 1;
146 break;
147 }
148 }
149 }
150 }
151 }
152 if (failed)
153 failedNum++;
154 else if (srcBpp)
155 passedNum++;
156 }
157
158 av_log(NULL, AV_LOG_INFO,
159 "\n%d converters passed, %d converters randomly overwrote memory\n",
160 passedNum, failedNum);
161 return failedNum;
162 }