diff -r 90a79670de52 -r 262003f2e19a misc/winutils/include/libavutil/base64.h
--- a/misc/winutils/include/libavutil/base64.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; 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 output buffer, must be at
- *                 least AV_BASE64_SIZE(in_size)
- * @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.
- */
-#define AV_BASE64_SIZE(x)  (((x)+2) / 3 * 4 + 1)
-
- /**
-  * @}
-  */
-
-#endif /* AVUTIL_BASE64_H */