libavcodec/mpegaudiodec.c:2608: error: Uninitialized Value
  The value read from decoded_buf[_] was never initialized.

libavcodec/mpegaudiodec.c:2608:21: 
2606.             if(m->nb_channels == 1) {
2607.                 for(j = 0; j < n; j++) {
2608.                     *bp = decoded_buf[j];
                          ^
2609.                     bp += avctx->channels;
2610.                 }
