s->all_fragments[i].last_coeff = 0;
s->all_fragments[i].last_coeff = -1;
static void init_frame(Vp3DecodeContext *s, GetBitContext *gb){    int i;    static const DCTELEM zero_block[64];    /* zero out all of the fragment information */    s->coded_fragment_list_index = 0;    for (i = 0; i < s->fragment_count; i++) {        s->all_fragments[i].coeffs = zero_block;        s->all_fragments[i].coeff_count = 0;        s->all_fragments[i].last_coeff = 0;s->all_fragments[i].motion_x = 0xbeef;s->all_fragments[i].motion_y = 0xbeef;    }}