libavcodec/mpegaudiodec.c:2613: error: Uninitialized Value
  The value read from decoded_buf[_] was never initialized.

libavcodec/mpegaudiodec.c:2613:21: 
2611.             } else {
2612.                 for(j = 0; j < n; j++) {
2613.                     bp[0] = decoded_buf[j++];
                          ^
2614.                     bp[1] = decoded_buf[j];
2615.                     bp += avctx->channels;
