libavcodec/vorbis_dec.c:1523: error: Uninitialized Value
  The value read from res_chan[_] was never initialized.

libavcodec/vorbis_dec.c:1523:9: 
1521.         uint_fast16_t bs0=vc->blocksize[0];
1522.         uint_fast16_t bs1=vc->blocksize[1];
1523.         float *residue=vc->channel_residues+res_chan[j]*blocksize/2;
              ^
1524.         float *floor=vc->channel_floors+j*blocksize/2;
1525.         float *saved=vc->saved+j*bs1/4;
