| /* |
| * 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> |
| |
| /** |
| * @defgroup lavu_base64 Base64 |
| * @ingroup lavu_crypto |
| * @{ |
| */ |
| |
| |
| /** |
| * Decode a base64-encoded string. |
| * |
| * @param out buffer for decoded data |
| * @param in null-terminated input string |
| * @param out_size size in bytes of the out buffer, must be at |
| * least 3/4 of the length of in |
| * @return number of bytes written, or a negative value in case of |
| * invalid input |
| */ |
| int av_base64_decode(uint8_t *out, const char *in, int out_size); |
| |
| /** |
| * Encode data to base64 and null-terminate. |
| * |
| * @param out buffer for encoded data |
| * @param out_size size in bytes of the out buffer (including the |
| * null terminator), must be at least AV_BASE64_SIZE(in_size) |
| * @param in input buffer containing the data to encode |
| * @param in_size size in bytes of the in buffer |
| * @return out 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 to a |
| * null-terminated string. |
| */ |
| #define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1) |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* AVUTIL_BASE64_H */ |