1/* 2 * Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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> 23 24#include "libavutil/hash.h" 25 26#define SRC_BUF_SIZE 64 27#define DST_BUF_SIZE (AV_HASH_MAX_SIZE * 8) 28 29int main(void) 30{ 31 struct AVHashContext *ctx = NULL; 32 int i, j, numhashes = 0; 33 static const uint8_t src[SRC_BUF_SIZE] = { 0 }; 34 uint8_t dst[DST_BUF_SIZE]; 35 36 while (av_hash_names(numhashes)) 37 numhashes++; 38 39 for (i = 0; i < numhashes; i++) { 40 if (av_hash_alloc(&ctx, av_hash_names(i)) < 0) 41 return 1; 42 43 av_hash_init(ctx); 44 av_hash_update(ctx, src, SRC_BUF_SIZE); 45 memset(dst, 0, DST_BUF_SIZE); 46 av_hash_final_hex(ctx, dst, DST_BUF_SIZE); 47 printf("%s hex: %s\n", av_hash_get_name(ctx), dst); 48 49 av_hash_init(ctx); 50 av_hash_update(ctx, src, SRC_BUF_SIZE); 51 av_hash_final_bin(ctx, dst, DST_BUF_SIZE); 52 printf("%s bin: ", av_hash_get_name(ctx)); 53 for (j = 0; j < av_hash_get_size(ctx); j++) { 54 printf("%#x ", dst[j]); 55 } 56 printf("\n"); 57 58 av_hash_init(ctx); 59 av_hash_update(ctx, src, SRC_BUF_SIZE); 60 av_hash_final_b64(ctx, dst, DST_BUF_SIZE); 61 printf("%s b64: %s\n", av_hash_get_name(ctx), dst); 62 av_hash_freep(&ctx); 63 } 64 return 0; 65} 66