avutil: Add functions for allocating opaque contexts for algorithms

[ffmpeg] / libavutil / md5.h

diff --git a/libavutil/md5.h b/libavutil/md5.h
index c5b858a24b9f8fee31b56a3a62e1533fda9b9a04..29e4e7c2ba2de901647f9cd12538be791fff4864 100644 (file)
--- a/libavutil/md5.h
+++ b/libavutil/md5.h
@@ -23,16 +23,22 @@
 
 #include <stdint.h>
 
+#include "attributes.h"
+#include "version.h"
+
 /**
  * @defgroup lavu_md5 MD5
  * @ingroup lavu_crypto
  * @{
  */
 
-extern const int av_md5_size;
+#if FF_API_CONTEXT_SIZE
+extern attribute_deprecated const int av_md5_size;
+#endif
 
 struct AVMD5;
 
+struct AVMD5 *av_md5_alloc(void);
 void av_md5_init(struct AVMD5 *ctx);
 void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
 void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);