diff options
author | Sven Gothel <[email protected]> | 2023-02-23 22:10:17 +0100 |
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committer | Sven Gothel <[email protected]> | 2023-02-23 22:10:17 +0100 |
commit | 55a3e7e548bbc3333318ee55dbab39f016b8d5f6 (patch) | |
tree | a754d6d621532328c15095619180c0ef4556aabc /make/stub_includes/ffmpeg/v0600/libavutil/tea.h | |
parent | dc48fb0f101dfefd3f4fb23f585d14de7fa9a6fe (diff) |
FFMPEGMediaPlayer: Replace old FFmpeg header w/ FFmpeg version 4.3, 5.1 and 6.0 (major version counts for binary compatibility)
Diffstat (limited to 'make/stub_includes/ffmpeg/v0600/libavutil/tea.h')
-rw-r--r-- | make/stub_includes/ffmpeg/v0600/libavutil/tea.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/make/stub_includes/ffmpeg/v0600/libavutil/tea.h b/make/stub_includes/ffmpeg/v0600/libavutil/tea.h new file mode 100644 index 000000000..dd929bdaf --- /dev/null +++ b/make/stub_includes/ffmpeg/v0600/libavutil/tea.h @@ -0,0 +1,71 @@ +/* + * A 32-bit implementation of the TEA algorithm + * Copyright (c) 2015 Vesselin Bontchev + * + * 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_TEA_H +#define AVUTIL_TEA_H + +#include <stdint.h> + +/** + * @file + * @brief Public header for libavutil TEA algorithm + * @defgroup lavu_tea TEA + * @ingroup lavu_crypto + * @{ + */ + +extern const int av_tea_size; + +struct AVTEA; + +/** + * Allocate an AVTEA context + * To free the struct: av_free(ptr) + */ +struct AVTEA *av_tea_alloc(void); + +/** + * Initialize an AVTEA context. + * + * @param ctx an AVTEA context + * @param key a key of 16 bytes used for encryption/decryption + * @param rounds the number of rounds in TEA (64 is the "standard") + */ +void av_tea_init(struct AVTEA *ctx, const uint8_t key[16], int rounds); + +/** + * Encrypt or decrypt a buffer using a previously initialized context. + * + * @param ctx an AVTEA context + * @param dst destination array, can be equal to src + * @param src source array, can be equal to dst + * @param count number of 8 byte blocks + * @param iv initialization vector for CBC mode, if NULL then ECB will be used + * @param decrypt 0 for encryption, 1 for decryption + */ +void av_tea_crypt(struct AVTEA *ctx, uint8_t *dst, const uint8_t *src, + int count, uint8_t *iv, int decrypt); + +/** + * @} + */ + +#endif /* AVUTIL_TEA_H */ |