mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 01:08:24 -05:00
185 lines
4.7 KiB
C
Executable File
185 lines
4.7 KiB
C
Executable File
/*
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* originally by Andreas Öman (andoma)
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* some changes by Alexander Strange
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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int
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main(int argc, char **argv)
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{
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int fd[2];
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int print_pixels = 0;
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int dump_blocks = 0;
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int width;
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int height;
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int to_skip = 0;
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if (argc < 6) {
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fprintf(stderr, "%s [YUV file 1] [YUV file 2] width height pixelcmp|blockdump (# to skip)\n", argv[0]);
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return 1;
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}
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width = atoi(argv[3]);
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height = atoi(argv[4]);
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if (argc > 6)
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to_skip = atoi(argv[6]);
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uint8_t *Y[2], *C[2][2];
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int i, v, c, p;
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int lsiz = width * height;
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int csiz = width * height / 4;
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int x, y;
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int cwidth = width / 2;
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int fr = to_skip;
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int mb;
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char *mberrors;
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int mb_x, mb_y;
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uint8_t *a;
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uint8_t *b;
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int die = 0;
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print_pixels = strstr(argv[5], "pixelcmp") ? 1 : 0;
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dump_blocks = strstr(argv[5], "blockdump") ? 1 : 0;
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for(i = 0; i < 2; i++) {
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Y[i] = malloc(lsiz);
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C[0][i] = malloc(csiz);
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C[1][i] = malloc(csiz);
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fd[i] = open(argv[1 + i], O_RDONLY);
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if(fd[i] == -1) {
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perror("open");
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exit(1);
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}
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fcntl(fd[i], F_NOCACHE, 1);
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if (to_skip)
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lseek(fd[i], to_skip * (lsiz + 2*csiz), SEEK_SET);
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}
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mb_x = width / 16;
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mb_y = height / 16;
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mberrors = malloc(mb_x * mb_y);
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while(!die) {
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memset(mberrors, 0, mb_x * mb_y);
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printf("Loading frame %d\n", ++fr);
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for(i = 0; i < 2; i++) {
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v = read(fd[i], Y[i], lsiz);
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if(v != lsiz) {
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fprintf(stderr, "Unable to read Y from file %d, exiting\n", i + 1);
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return 1;
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}
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}
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for(c = 0; c < lsiz; c++) {
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if(Y[0][c] != Y[1][c]) {
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x = c % width;
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y = c / width;
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mb = x / 16 + (y / 16) * mb_x;
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if(print_pixels)
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printf("Luma diff 0x%02x != 0x%02x at pixel (%4d,%-4d) mb(%d,%d) #%d\n",
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Y[0][c],
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Y[1][c],
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x, y,
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x / 16,
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y / 16,
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mb);
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mberrors[mb] |= 1;
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}
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}
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/* Chroma planes */
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for(p = 0; p < 2; p++) {
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for(i = 0; i < 2; i++) {
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v = read(fd[i], C[p][i], csiz);
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if(v != csiz) {
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fprintf(stderr, "Unable to read %c from file %d, exiting\n",
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"UV"[p], i + 1);
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return 1;
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}
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}
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for(c = 0; c < csiz; c++) {
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if(C[p][0][c] != C[p][1][c]) {
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x = c % cwidth;
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y = c / cwidth;
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mb = x / 8 + (y / 8) * mb_x;
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mberrors[mb] |= 2 << p;
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if(print_pixels)
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printf("c%c diff 0x%02x != 0x%02x at pixel (%4d,%-4d) "
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"mb(%3d,%-3d) #%d\n",
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p ? 'r' : 'b',
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C[p][0][c],
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C[p][1][c],
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x, y,
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x / 8,
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y / 8,
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x / 8 + y / 8 * cwidth / 8);
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}
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}
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}
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for(i = 0; i < mb_x * mb_y; i++) {
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x = i % mb_x;
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y = i / mb_x;
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if(mberrors[i]) {
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die = 1;
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printf("MB (%3d,%-3d) %4d %d %c%c%c damaged\n",
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x, y, i, mberrors[i],
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mberrors[i] & 1 ? 'Y' : ' ',
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mberrors[i] & 2 ? 'U' : ' ',
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mberrors[i] & 4 ? 'V' : ' ');
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if(dump_blocks) {
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a = Y[0] + x * 16 + y * 16 * width;
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b = Y[1] + x * 16 + y * 16 * width;
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for(y = 0; y < 16; y++) {
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printf("%c ", "TB"[y&1]);
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for(x = 0; x < 16; x++)
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printf("%02x%c", a[x + y * width],
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a[x + y * width] != b[x + y * width] ? '<' : ' ');
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printf("| ");
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for(x = 0; x < 16; x++)
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printf("%02x%c", b[x + y * width],
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a[x + y * width] != b[x + y * width] ? '<' : ' ');
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printf("\n");
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}
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}
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}
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}
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}
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return 0;
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}
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