libavcodec/mpegvideo_enc.c:1955: error: Uninitialized Value
  The value read from skip_dct[_] was never initialized.

libavcodec/mpegvideo_enc.c:1955:14: 
1953. 
1954.     if (s->quantizer_noise_shaping) {
1955.         if (!skip_dct[0])
                   ^
1956.             get_visual_weight(weight[0], ptr_y                 , wrap_y);
1957.         if (!skip_dct[1])
