Rename ffmpeg-4.2-fit to ffmpeg-4-fit

trunk/3rdparty/ffmpeg-4-fit/libavutil/md5.h

@@ -0,0 +1,98 @@
+/*
+ * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * @ingroup lavu_md5
+ * Public header for MD5 hash function implementation.
+ */
+
+#ifndef AVUTIL_MD5_H
+#define AVUTIL_MD5_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "attributes.h"
+#include "version.h"
+
+/**
+ * @defgroup lavu_md5 MD5
+ * @ingroup lavu_hash
+ * MD5 hash function implementation.
+ *
+ * @{
+ */
+
+extern const int av_md5_size;
+
+struct AVMD5;
+
+/**
+ * Allocate an AVMD5 context.
+ */
+struct AVMD5 *av_md5_alloc(void);
+
+/**
+ * Initialize MD5 hashing.
+ *
+ * @param ctx pointer to the function context (of size av_md5_size)
+ */
+void av_md5_init(struct AVMD5 *ctx);
+
+/**
+ * Update hash value.
+ *
+ * @param ctx hash function context
+ * @param src input data to update hash with
+ * @param len input data length
+ */
+#if FF_API_CRYPTO_SIZE_T
+void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len);
+#else
+void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len);
+#endif
+
+/**
+ * Finish hashing and output digest value.
+ *
+ * @param ctx hash function context
+ * @param dst buffer where output digest value is stored
+ */
+void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
+
+/**
+ * Hash an array of data.
+ *
+ * @param dst The output buffer to write the digest into
+ * @param src The data to hash
+ * @param len The length of the data, in bytes
+ */
+#if FF_API_CRYPTO_SIZE_T
+void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
+#else
+void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len);
+#endif
+
+/**
+ * @}
+ */
+
+#endif /* AVUTIL_MD5_H */