2 * Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
4 * This file is part of FFmpeg.
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.
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.
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
24 #include "libavutil/hash.h"
26 #define SRC_BUF_SIZE 64
27 #define DST_BUF_SIZE (AV_HASH_MAX_SIZE * 8)
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];
36 while (av_hash_names(numhashes))
39 for (i = 0; i < numhashes; i++) {
40 if (av_hash_alloc(&ctx, av_hash_names(i)) < 0)
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);
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]);
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);