blob: 65b1794d0741652fa9062614ad987a62c23bf5b0
1 | /* |
2 | * originally by Andreas Ă–man (andoma) |
3 | * some changes by Alexander Strange |
4 | */ |
5 | |
6 | #include <string.h> |
7 | #include <stdlib.h> |
8 | #include <inttypes.h> |
9 | #include <stdio.h> |
10 | #include <sys/stat.h> |
11 | #include <fcntl.h> |
12 | |
13 | #if HAVE_UNISTD_H |
14 | #include <unistd.h> |
15 | #endif |
16 | |
17 | int |
18 | main(int argc, char **argv) |
19 | { |
20 | int fd[2]; |
21 | int print_pixels = 0; |
22 | int dump_blocks = 0; |
23 | |
24 | int width; |
25 | int height; |
26 | int to_skip = 0; |
27 | |
28 | if (argc < 6) { |
29 | fprintf(stderr, "%s [YUV file 1] [YUV file 2] width height pixelcmp|blockdump (# to skip)\n", argv[0]); |
30 | return 1; |
31 | } |
32 | |
33 | width = atoi(argv[3]); |
34 | height = atoi(argv[4]); |
35 | if (argc > 6) |
36 | to_skip = atoi(argv[6]); |
37 | |
38 | uint8_t *Y[2], *C[2][2]; |
39 | int i, v, c, p; |
40 | int lsiz = width * height; |
41 | int csiz = width * height / 4; |
42 | int x, y; |
43 | int cwidth = width / 2; |
44 | int fr = to_skip; |
45 | int mb; |
46 | char *mberrors; |
47 | int mb_x, mb_y; |
48 | uint8_t *a; |
49 | uint8_t *b; |
50 | int die = 0; |
51 | |
52 | print_pixels = strstr(argv[5], "pixelcmp") ? 1 : 0; |
53 | dump_blocks = strstr(argv[5], "blockdump") ? 1 : 0; |
54 | |
55 | for(i = 0; i < 2; i++) { |
56 | Y[i] = malloc(lsiz); |
57 | C[0][i] = malloc(csiz); |
58 | C[1][i] = malloc(csiz); |
59 | |
60 | fd[i] = open(argv[1 + i], O_RDONLY); |
61 | if(fd[i] == -1) { |
62 | perror("open"); |
63 | exit(1); |
64 | } |
65 | fcntl(fd[i], F_NOCACHE, 1); |
66 | |
67 | if (to_skip) |
68 | lseek(fd[i], to_skip * (lsiz + 2*csiz), SEEK_SET); |
69 | } |
70 | |
71 | mb_x = width / 16; |
72 | mb_y = height / 16; |
73 | |
74 | mberrors = malloc(mb_x * mb_y); |
75 | |
76 | while(!die) { |
77 | memset(mberrors, 0, mb_x * mb_y); |
78 | |
79 | printf("Loading frame %d\n", ++fr); |
80 | |
81 | for(i = 0; i < 2; i++) { |
82 | v = read(fd[i], Y[i], lsiz); |
83 | if(v != lsiz) { |
84 | fprintf(stderr, "Unable to read Y from file %d, exiting\n", i + 1); |
85 | return 1; |
86 | } |
87 | } |
88 | |
89 | |
90 | for(c = 0; c < lsiz; c++) { |
91 | if(Y[0][c] != Y[1][c]) { |
92 | x = c % width; |
93 | y = c / width; |
94 | |
95 | mb = x / 16 + (y / 16) * mb_x; |
96 | |
97 | if(print_pixels) |
98 | printf("Luma diff 0x%02x != 0x%02x at pixel (%4d,%-4d) mb(%d,%d) #%d\n", |
99 | Y[0][c], |
100 | Y[1][c], |
101 | x, y, |
102 | x / 16, |
103 | y / 16, |
104 | mb); |
105 | |
106 | mberrors[mb] |= 1; |
107 | } |
108 | } |
109 | |
110 | /* Chroma planes */ |
111 | |
112 | for(p = 0; p < 2; p++) { |
113 | |
114 | for(i = 0; i < 2; i++) { |
115 | v = read(fd[i], C[p][i], csiz); |
116 | if(v != csiz) { |
117 | fprintf(stderr, "Unable to read %c from file %d, exiting\n", |
118 | "UV"[p], i + 1); |
119 | return 1; |
120 | } |
121 | } |
122 | |
123 | for(c = 0; c < csiz; c++) { |
124 | if(C[p][0][c] != C[p][1][c]) { |
125 | x = c % cwidth; |
126 | y = c / cwidth; |
127 | |
128 | mb = x / 8 + (y / 8) * mb_x; |
129 | |
130 | mberrors[mb] |= 2 << p; |
131 | |
132 | if(print_pixels) |
133 | |
134 | printf("c%c diff 0x%02x != 0x%02x at pixel (%4d,%-4d) " |
135 | "mb(%3d,%-3d) #%d\n", |
136 | p ? 'r' : 'b', |
137 | C[p][0][c], |
138 | C[p][1][c], |
139 | |
140 | x, y, |
141 | x / 8, |
142 | y / 8, |
143 | x / 8 + y / 8 * cwidth / 8); |
144 | } |
145 | } |
146 | } |
147 | |
148 | for(i = 0; i < mb_x * mb_y; i++) { |
149 | x = i % mb_x; |
150 | y = i / mb_x; |
151 | |
152 | if(mberrors[i]) { |
153 | die = 1; |
154 | |
155 | printf("MB (%3d,%-3d) %4d %d %c%c%c damaged\n", |
156 | x, y, i, mberrors[i], |
157 | mberrors[i] & 1 ? 'Y' : ' ', |
158 | mberrors[i] & 2 ? 'U' : ' ', |
159 | mberrors[i] & 4 ? 'V' : ' '); |
160 | |
161 | if(dump_blocks) { |
162 | a = Y[0] + x * 16 + y * 16 * width; |
163 | b = Y[1] + x * 16 + y * 16 * width; |
164 | |
165 | for(y = 0; y < 16; y++) { |
166 | printf("%c ", "TB"[y&1]); |
167 | for(x = 0; x < 16; x++) |
168 | printf("%02x%c", a[x + y * width], |
169 | a[x + y * width] != b[x + y * width] ? '<' : ' '); |
170 | |
171 | printf("| "); |
172 | for(x = 0; x < 16; x++) |
173 | printf("%02x%c", b[x + y * width], |
174 | a[x + y * width] != b[x + y * width] ? '<' : ' '); |
175 | |
176 | printf("\n"); |
177 | } |
178 | } |
179 | } |
180 | } |
181 | } |
182 | |
183 | return 0; |
184 | } |
185 |