static uint64_t get_vb(ByteIOContext *bc){ uint64_t val=0; int i= get_v(bc); if(i>8) return UINT64_MAX; while(i--) val = (val<<8) + get_byte(bc); //av_log(NULL, AV_LOG_DEBUG, "get_vb()= %lld\n", val); return val; }