const uint8_t *ff_h263_find_resync_marker(const uint8_t *av_restrict p, const uint8_t *av_restrict end) { av_assert2(p < end); end-=2; p++; for(;p<end; p+=2){ if(!*p){ if (!p[-1] && p[1]) return p - 1; else if(!p[ 1] && p[2]) return p; } } return end+2; }