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/*
* Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_BASE64_H
#define AVUTIL_BASE64_H
#include <stdint.h>
/**
* Decodes the base64-encoded string in in and puts the decoded
* data in out.
*
* @param out_size size in bytes of the out buffer, it should be at
* least 3/4 of the length of in
* @return the number of bytes written, or a negative value in case of
* error
*/
int av_base64_decode(uint8_t *out, const char *in, int out_size);
/**
* Encodes in base64 the data in in and puts the resulting string
* in out.
*
* @param out_size size in bytes of the out string, it should be at
* least ((in_size + 2) / 3) * 4 + 1
* @param in_size size in bytes of the in buffer
* @return the string containing the encoded data, or NULL in case of
* error
*/
char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
/**
* Calculate the output size needed to base64-encode x bytes.
*/
#define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1)
#endif /* AVUTIL_BASE64_H */
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