libavcodec/qdm2.c:1685: error: Uninitialized Value
  The value read from samples[_] was never initialized.

libavcodec/qdm2.c:1685:13: 
1683.     for (ch = 0; ch < q->channels; ch++)
1684.         for (i = 0; i < q->frame_size; i++)
1685.             q->output_buffer[q->channels * i + ch] += (float)(samples[q->nb_channels * sub_sampling * i + ch] >> (sizeof(OUT_INT)*8-16));
                  ^
1686. }
1687. 
