diff options
Diffstat (limited to 'src/main/jni/ffmpeg/include/libavutil/hash.h')
-rw-r--r-- | src/main/jni/ffmpeg/include/libavutil/hash.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/main/jni/ffmpeg/include/libavutil/hash.h b/src/main/jni/ffmpeg/include/libavutil/hash.h deleted file mode 100644 index d4bcbf8cc..000000000 --- a/src/main/jni/ffmpeg/include/libavutil/hash.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (C) 2013 Reimar Döffinger <Reimar.Doeffinger@gmx.de> - * - * 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_HASH_H -#define AVUTIL_HASH_H - -#include <stdint.h> - -struct AVHashContext; - -/** - * Allocate a hash context for the algorithm specified by name. - * - * @return >= 0 for success, a negative error code for failure - * @note The context is not initialized, you must call av_hash_init(). - */ -int av_hash_alloc(struct AVHashContext **ctx, const char *name); - -/** - * Get the names of available hash algorithms. - * - * This function can be used to enumerate the algorithms. - * - * @param i index of the hash algorithm, starting from 0 - * @return a pointer to a static string or NULL if i is out of range - */ -const char *av_hash_names(int i); - -/** - * Get the name of the algorithm corresponding to the given hash context. - */ -const char *av_hash_get_name(const struct AVHashContext *ctx); - -/** - * Maximum value that av_hash_get_size will currently return. - * - * You can use this if you absolutely want or need to use static allocation - * and are fine with not supporting hashes newly added to libavutil without - * recompilation. - * Note that you still need to check against av_hash_get_size, adding new hashes - * with larger sizes will not be considered an ABI change and should not cause - * your code to overflow a buffer. - */ -#define AV_HASH_MAX_SIZE 64 - -/** - * Get the size of the resulting hash value in bytes. - * - * The pointer passed to av_hash_final have space for at least this many bytes. - */ -int av_hash_get_size(const struct AVHashContext *ctx); - -/** - * Initialize or reset a hash context. - */ -void av_hash_init(struct AVHashContext *ctx); - -/** - * Update a hash context with additional data. - */ -void av_hash_update(struct AVHashContext *ctx, const uint8_t *src, int len); - -/** - * Finalize a hash context and compute the actual hash value. - */ -void av_hash_final(struct AVHashContext *ctx, uint8_t *dst); - -/** - * Finalize a hash context and compute the actual hash value. - * If size is smaller than the hash size, the hash is truncated; - * if size is larger, the buffer is padded with 0. - */ -void av_hash_final_bin(struct AVHashContext *ctx, uint8_t *dst, int size); - -/** - * Finalize a hash context and compute the actual hash value as a hex string. - * The string is always 0-terminated. - * If size is smaller than 2 * hash_size + 1, the hex string is truncated. - */ -void av_hash_final_hex(struct AVHashContext *ctx, uint8_t *dst, int size); - -/** - * Finalize a hash context and compute the actual hash value as a base64 string. - * The string is always 0-terminated. - * If size is smaller than AV_BASE64_SIZE(hash_size), the base64 string is - * truncated. - */ -void av_hash_final_b64(struct AVHashContext *ctx, uint8_t *dst, int size); - -/** - * Free hash context. - */ -void av_hash_freep(struct AVHashContext **ctx); - -#endif /* AVUTIL_HASH_H */ |