libavformat/srtp.c:214: error: Uninitialized Value
  The value read from index was never initialized.

libavformat/srtp.c:214:5: 
212.     }
213. 
214.     create_iv(iv, rtcp ? s->rtcp_salt : s->rtp_salt, index, ssrc);
         ^
215.     av_aes_init(s->aes, rtcp ? s->rtcp_key : s->rtp_key, 128, 0);
216.     encrypt_counter(s->aes, iv, buf, len);
