libavcodec/dca.c:1475: error: Uninitialized Value
  The value read from channels was never initialized.

libavcodec/dca.c:1475:13: 
1473.             if (get_bits_left(&s->gb) < 0)
1474.                 return -1;
1475.             dca_exss_skip_mix_coeffs(&s->gb, channels, s->mix_config_num_ch[i]);
                  ^
1476.             if (embedded_6ch)
1477.                 dca_exss_skip_mix_coeffs(&s->gb, 6, s->mix_config_num_ch[i]);
