HASH_OPT           47 libavformat/hashenc.c     HASH_OPT("sha256"),
HASH_OPT           54 libavformat/hashenc.c     HASH_OPT("sha256"),
HASH_OPT           62 libavformat/hashenc.c     HASH_OPT("sha256"),
HASH_OPT           69 libavformat/hashenc.c     HASH_OPT("md5"),
HASH_OPT           76 libavformat/hashenc.c     HASH_OPT("md5"),