void srtp_destroy (srtp_session_t *s);
int srtp_setkey (srtp_session_t *s, const void *key, size_t keylen,
const void *salt, size_t saltlen);
void srtp_destroy (srtp_session_t *s);
int srtp_setkey (srtp_session_t *s, const void *key, size_t keylen,
const void *salt, size_t saltlen);