libavcodec/atrac3plus.c:1656: error: Uninitialized Value
  The value read from refwaves[_] was never initialized.

libavcodec/atrac3plus.c:1656:21: 
1654.             for (i = 0; i < dst[sb].num_wavs; i++)
1655.                 ctx->waves_info->waves[dst[sb].start_index + i].amp_sf =
1656.                     refwaves[dst[sb].start_index + i] >= 0
                          ^
1657.                     ? ctx->waves_info->waves[refwaves[dst[sb].start_index + i]].amp_sf
1658.                     : 32;
