libavformat/movenc.c:3223: error: Uninitialized Value
  The value read from palette[_] was never initialized.

libavformat/movenc.c:3223:30: 
3221. 
3222.             for (i = 0; i < count; i++) {
3223.                 palette[i] = rgb_to_yuv(palette[i]);
                                   ^
3224.             }
3225.             have_palette = 1;
