| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include "jpeg.h" |
| |
| const int depth = 16; |
| |
| int main(int argc, char **argv) |
| { |
| FILE *f = fopen(argv[1], "rb"); |
| unsigned long len; |
| |
| if (!f) |
| return 1; |
| if (fseek(f, 0, SEEK_END) != 0) |
| return 1; |
| len = ftell(f); |
| if (fseek(f, 0, SEEK_SET) != 0) |
| return 1; |
| |
| char *buf = malloc(len); |
| struct jpeg_decdata *decdata = malloc(sizeof(*decdata)); |
| if (fread(buf, len, 1, f) != 1) |
| return 1; |
| fclose(f); |
| |
| int width; |
| int height; |
| jpeg_fetch_size(buf, &width, &height); |
| //printf("width: %d, height: %d\n", width, height); |
| char *pic = malloc(depth / 8 * width * height); |
| int ret = jpeg_decode(buf, pic, width, height, width * depth / 8, depth, decdata); |
| //printf("ret: %x\n", ret); |
| return ret; |
| } |