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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com) |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #ifndef AVUTIL_BASE64_H |
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| 22 | #define AVUTIL_BASE64_H |
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| 23 | |||
| 24 | #include |
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| 25 | |||
| 26 | /** |
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| 27 | * @defgroup lavu_base64 Base64 |
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| 28 | * @ingroup lavu_crypto |
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| 29 | * @{ |
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| 30 | */ |
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| 31 | |||
| 32 | |||
| 33 | /** |
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| 34 | * Decode a base64-encoded string. |
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| 35 | * |
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| 36 | * @param out buffer for decoded data |
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| 37 | * @param in null-terminated input string |
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| 38 | * @param out_size size in bytes of the out buffer, must be at |
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| 39 | * least 3/4 of the length of in |
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| 40 | * @return number of bytes written, or a negative value in case of |
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| 41 | * invalid input |
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| 42 | */ |
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| 43 | int av_base64_decode(uint8_t *out, const char *in, int out_size); |
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| 44 | |||
| 45 | /** |
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| 46 | * Encode data to base64 and null-terminate. |
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| 47 | * |
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| 48 | * @param out buffer for encoded data |
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| 49 | * @param out_size size in bytes of the out buffer (including the |
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| 50 | * null terminator), must be at least AV_BASE64_SIZE(in_size) |
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| 51 | * @param in input buffer containing the data to encode |
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| 52 | * @param in_size size in bytes of the in buffer |
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| 53 | * @return out or NULL in case of error |
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| 54 | */ |
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| 55 | char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size); |
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| 56 | |||
| 57 | /** |
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| 58 | * Calculate the output size needed to base64-encode x bytes to a |
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| 59 | * null-terminated string. |
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| 60 | */ |
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| 61 | #define AV_BASE64_SIZE(x) (((x)+2) / 3 * 4 + 1) |
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| 62 | |||
| 63 | /** |
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| 64 | * @} |
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| 65 | */ |
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| 66 | |||
| 67 | #endif /* AVUTIL_BASE64_H */ |