|
- /*
- * 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, that is AV_BASE64_DECODE_SIZE(strlen(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);
-
- /**
- * Calculate the output size in bytes needed to decode a base64 string
- * with length x to a data buffer.
- */
- #define AV_BASE64_DECODE_SIZE(x) ((x) * 3LL / 4)
-
- /**
- * 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 */
|
