65 lines
2 KiB
C
Executable file
65 lines
2 KiB
C
Executable file
/*
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* Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/hash.h"
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#define SRC_BUF_SIZE 64
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#define DST_BUF_SIZE (AV_HASH_MAX_SIZE * 8)
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int main(void)
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{
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struct AVHashContext *ctx = NULL;
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int i, j, numhashes = 0;
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static const uint8_t src[SRC_BUF_SIZE] = { 0 };
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uint8_t dst[DST_BUF_SIZE];
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while (av_hash_names(numhashes))
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numhashes++;
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for (i = 0; i < numhashes; i++) {
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if (av_hash_alloc(&ctx, av_hash_names(i)) < 0)
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return 1;
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av_hash_init(ctx);
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av_hash_update(ctx, src, SRC_BUF_SIZE);
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memset(dst, 0, DST_BUF_SIZE);
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av_hash_final_hex(ctx, dst, DST_BUF_SIZE);
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printf("%s hex: %s\n", av_hash_get_name(ctx), dst);
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av_hash_init(ctx);
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av_hash_update(ctx, src, SRC_BUF_SIZE);
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av_hash_final_bin(ctx, dst, DST_BUF_SIZE);
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printf("%s bin: ", av_hash_get_name(ctx));
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for (j = 0; j < av_hash_get_size(ctx); j++) {
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printf("%#x ", dst[j]);
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}
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printf("\n");
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av_hash_init(ctx);
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av_hash_update(ctx, src, SRC_BUF_SIZE);
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av_hash_final_b64(ctx, dst, DST_BUF_SIZE);
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printf("%s b64: %s\n", av_hash_get_name(ctx), dst);
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av_hash_freep(&ctx);
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}
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return 0;
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}
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