libavcodec/atrac3plus.c:1644: error: Uninitialized Value
  The value read from refwaves[_] was never initialized.

libavcodec/atrac3plus.c:1644:25: 
1642.                                  tone_vlc_tabs[5].bits, 1);
1643.                 delta = sign_extend(delta, 5);
1644.                 pred  = refwaves[dst[sb].start_index + i] >= 0 ?
                              ^
1645.                         ctx->waves_info->waves[refwaves[dst[sb].start_index + i]].amp_sf : 34;
1646.                 ctx->waves_info->waves[dst[sb].start_index + i].amp_sf = (pred + delta) & 0x3F;
